/* roulang page: index */
:root {
            --primary: #1A3B6B;
            --primary-hover: #0F2948;
            --primary-light: #2A5290;
            --accent: #E55B3C;
            --accent-hover: #C94A2F;
            --bg-light: #F4F7FC;
            --bg-alt: #F8FAFD;
            --bg-white: #FFFFFF;
            --text-main: #1E1E1E;
            --text-secondary: #5A5A5A;
            --text-light: #8A8A8A;
            --text-white: #FFFFFF;
            --border-color: #E4E8EE;
            --border-light: #EDF1F6;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --spacing-4xl: 100px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 56px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-white);
            min-height: 100vh;
            padding-top: var(--header-height);
            padding-bottom: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        input,
        select,
        textarea {
            font-family: var(--font-family);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            height: var(--header-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-link:hover {
            text-decoration: none;
            color: var(--primary-hover);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }

        .desktop-nav li {
            margin: 0;
        }

        .desktop-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            text-decoration: none;
        }

        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--bg-light);
            text-decoration: none;
        }

        .desktop-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .desktop-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-cta-btn {
            display: none;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            margin-left: 8px;
        }

        @media (min-width: 1024px) {
            .nav-cta-btn {
                display: inline-block;
            }
        }

        .nav-cta-btn:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text-main);
            cursor: pointer;
            border-radius: var(--radius-sm);
        }

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .hamburger-btn:hover {
            background: var(--bg-light);
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-white);
            z-index: 999;
            transform: translateX(-100%);
            transition: transform var(--transition-normal);
            overflow-y: auto;
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        @media (min-width: 1024px) {
            .mobile-drawer {
                display: none;
            }
        }

        .mobile-drawer a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: background var(--transition-fast);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: var(--bg-light);
            color: var(--primary);
            text-decoration: none;
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-normal);
        }

        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        @media (min-width: 1024px) {
            .drawer-overlay {
                display: none;
            }
        }

        /* Bottom Tab Navigation (Mobile) */
        .bottom-tab-nav {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 4px;
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        @media (min-width: 1024px) {
            .bottom-tab-nav {
                display: none;
            }
        }

        .bottom-tab-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 10px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
            flex: 1;
            min-width: 0;
            text-align: center;
        }

        .bottom-tab-nav a i {
            font-size: 18px;
            transition: color var(--transition-fast);
        }

        .bottom-tab-nav a.active {
            color: var(--primary);
        }

        .bottom-tab-nav a.active i {
            color: var(--primary);
        }

        .bottom-tab-nav a:hover {
            text-decoration: none;
            color: var(--primary);
        }

        body.has-bottom-tab {
            padding-bottom: var(--bottom-tab-height);
        }

        @media (min-width: 1024px) {
            body.has-bottom-tab {
                padding-bottom: 0;
            }
        }

        /* ========== SECTION BASE ========== */
        section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }

        @media (max-width: 768px) {
            section {
                padding: var(--spacing-2xl) 0;
            }
        }
        @media (max-width: 520px) {
            section {
                padding: var(--spacing-xl) 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-xs);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
            }
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 700px;
            margin-bottom: var(--spacing-lg);
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            padding: 0;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: var(--bg-light);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }

        @media (min-width: 768px) {
            .hero-section {
                min-height: 50vh;
            }
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            opacity: 0.35;
            filter: brightness(0.9) saturate(0.8);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 59, 107, 0.82) 0%, rgba(26, 59, 107, 0.55) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-3xl) var(--spacing-md);
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .hero-content {
                padding: var(--spacing-4xl) var(--spacing-lg);
                flex-direction: row;
                align-items: center;
                gap: var(--spacing-2xl);
            }
        }
        @media (min-width: 1024px) {
            .hero-content {
                padding: var(--spacing-4xl) var(--spacing-xl);
            }
        }

        .hero-text-col {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            width: fit-content;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-badge i {
            font-size: 11px;
            color: var(--accent);
        }

        .hero-title {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin: 0;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 44px;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 48px;
            }
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.6;
            max-width: 560px;
        }

        @media (min-width: 768px) {
            .hero-subtitle {
                font-size: 18px;
            }
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-xs);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-md);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 400;
        }

        .hero-visual-col {
            flex: 0 0 auto;
            display: none;
            align-items: center;
            justify-content: center;
        }

        @media (min-width: 768px) {
            .hero-visual-col {
                display: flex;
                width: 320px;
            }
        }
        @media (min-width: 1024px) {
            .hero-visual-col {
                width: 380px;
            }
        }

        .hero-visual-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .hero-visual-card .mini-stat {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #fff;
            font-size: 14px;
        }

        .hero-visual-card .mini-stat .val {
            font-weight: 700;
            font-size: 16px;
        }

        .hero-visual-card .mini-bar {
            height: 6px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 3px;
            overflow: hidden;
        }

        .hero-visual-card .mini-bar-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 3px;
            transition: width 0.6s ease;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        @media (min-width: 640px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .metric-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: all var(--transition-normal);
            cursor: default;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            align-items: center;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .metric-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .metric-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
            line-height: 1;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .metric-trend {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: #16A34A;
        }

        .metric-trend.down {
            color: #DC2626;
        }

        .metric-trend i {
            font-size: 10px;
        }

        .mini-sparkline {
            width: 60px;
            height: 20px;
            opacity: 0.7;
        }

        /* ========== SERVICE MATRIX (非对称) ========== */
        .service-section {
            background: var(--bg-white);
        }

        .service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .service-grid {
                grid-template-columns: 1.6fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        .service-col-left {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            cursor: default;
            height: 100%;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .service-card.tall {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.3;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }

        .btn-text-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: gap var(--transition-fast);
            white-space: nowrap;
            width: fit-content;
        }

        .btn-text-arrow:hover {
            gap: 8px;
            text-decoration: none;
            color: var(--primary-hover);
        }

        .btn-text-arrow i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .btn-text-arrow:hover i {
            transform: translateX(3px);
        }

        /* ========== NEWS CENTER ========== */
        .news-section {
            background: var(--bg-alt);
        }

        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
            text-decoration: none;
            color: inherit;
            flex-wrap: wrap;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:nth-child(even) {
            background: #FAFBFC;
        }

        .news-item:hover {
            background: #EEF3FA;
            text-decoration: none;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-light);
            font-weight: 500;
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 85px;
            padding-top: 2px;
        }

        .news-body {
            flex: 1;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
        }

        .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .news-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            align-self: center;
            transition: color var(--transition-fast);
        }

        .news-item:hover .news-readmore {
            color: var(--accent);
        }

        /* ========== DEEP CONTENT A (全宽专题) ========== */
        .deep-content-a {
            background: var(--bg-white);
            padding: 0;
        }

        .deep-a-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            min-height: 380px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--bg-alt);
        }

        @media (min-width: 768px) {
            .deep-a-wrapper {
                grid-template-columns: 1fr 1fr;
                min-height: 420px;
            }
        }

        .deep-a-image {
            background: url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
            min-height: 240px;
            position: relative;
        }

        @media (min-width: 768px) {
            .deep-a-image {
                min-height: auto;
            }
        }

        .deep-a-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(26, 59, 107, 0.3), transparent);
        }

        .deep-a-text {
            padding: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .deep-a-text {
                padding: var(--spacing-2xl);
            }
        }

        .deep-a-text .tag {
            display: inline-block;
            background: rgba(229, 91, 60, 0.1);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 3px;
            width: fit-content;
            letter-spacing: 0.04em;
        }

        .deep-a-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin: 0;
        }

        @media (min-width: 768px) {
            .deep-a-text h2 {
                font-size: 30px;
            }
        }

        .deep-a-text .excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-section {
            background: #EBF0F7;
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            align-items: center;
        }

        @media (min-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr auto 1fr;
                gap: var(--spacing-lg);
            }
        }

        .comparison-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .comparison-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            text-align: center;
            margin: 0;
        }

        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            width: 56px;
            height: 56px;
            background: var(--bg-white);
            border-radius: 50%;
            box-shadow: var(--shadow-md);
            margin: 0 auto;
            border: 2px solid var(--accent);
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .comparison-vs {
                margin: 0;
            }
        }

        .comp-bar-row {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .comp-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .comp-bar-track {
            height: 8px;
            background: #E8ECF2;
            border-radius: 4px;
            overflow: hidden;
        }

        .comp-bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 4px;
            transition: width 0.8s ease;
        }

        .comp-bar-fill.accent {
            background: var(--accent);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: var(--bg-white);
        }

        .brand-intro-card {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-alt);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-sm);
        }

        @media (min-width: 768px) {
            .brand-intro-card {
                padding: var(--spacing-2xl);
            }
        }

        .brand-intro-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--spacing-md);
            text-align: center;
        }

        .brand-intro-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            text-align: justify;
        }

        /* ========== PRODUCT SHOWCASE ========== */
        .showcase-section {
            background: var(--bg-alt);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .showcase-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .showcase-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .showcase-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition-normal);
            cursor: default;
        }

        .showcase-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .showcase-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }

        .showcase-card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .showcase-card-body h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
        }

        .showcase-card-body span {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ========== DATA ANALYSIS KPI ========== */
        .data-analysis-section {
            background: var(--bg-white);
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .kpi-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .kpi-card {
            background: var(--bg-alt);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            align-items: center;
        }

        .kpi-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .kpi-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
        }

        .kpi-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .kpi-change {
            font-size: 12px;
            font-weight: 600;
            color: #16A34A;
            display: flex;
            align-items: center;
            gap: 3px;
        }

        /* ========== DEEP CONTENT B (双栏图文) ========== */
        .deep-content-b {
            background: var(--bg-alt);
        }

        .deep-b-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
        }

        @media (min-width: 768px) {
            .deep-b-grid {
                grid-template-columns: 1.2fr 1fr;
            }
        }

        .deep-b-image {
            min-height: 260px;
            background: url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
            position: relative;
        }

        @media (min-width: 768px) {
            .deep-b-image {
                min-height: 350px;
            }
        }

        .deep-b-text {
            padding: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .deep-b-text {
                padding: var(--spacing-2xl);
            }
        }

        .deep-b-text .tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .deep-b-text .tag-sm {
            font-size: 11px;
            font-weight: 500;
            padding: 3px 8px;
            border-radius: 3px;
            background: #EEF3FA;
            color: var(--primary);
        }

        .deep-b-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.3;
        }

        .deep-b-text .excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .deep-b-text .read-count {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== LATEST UPDATES ========== */
        .updates-section {
            background: var(--bg-white);
        }

        .updates-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .updates-table thead {
            background: var(--bg-light);
        }

        .updates-table th {
            padding: 12px 16px;
            font-weight: 600;
            color: var(--text-main);
            font-size: 13px;
            text-align: left;
            border-bottom: 2px solid var(--border-color);
        }

        .updates-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            vertical-align: middle;
        }

        .updates-table tbody tr {
            transition: background var(--transition-fast);
        }

        .updates-table tbody tr:hover {
            background: #FAFBFC;
        }

        .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            margin-right: 6px;
        }

        .status-dot.live {
            background: #16A34A;
            animation: pulse-dot 1.5s infinite;
        }

        .status-dot.updated {
            background: #F59E0B;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.4);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(22, 163, 74, 0);
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-alt);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--bg-white);
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            transition: background var(--transition-fast);
            font-family: var(--font-family);
            line-height: 1.4;
        }

        .faq-question:hover {
            background: #F8FAFD;
        }

        .faq-question i {
            font-size: 13px;
            color: var(--text-light);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question {
            background: #EEF3FA;
            color: var(--primary);
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #FAFBFC;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 20px;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: linear-gradient(135deg, #1A3B6B 0%, #0F2948 100%);
            color: #fff;
        }

        .cta-form-wrapper {
            max-width: 520px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-form-wrapper h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .cta-form-wrapper p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-lg);
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            text-align: left;
        }

        .cta-form label {
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2px;
            display: block;
        }

        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-xs);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transition: all var(--transition-fast);
            font-family: var(--font-family);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            outline: none;
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
        }

        .cta-form select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='white' d='M1.41 0L6 4.58L10.59 0L12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
            cursor: pointer;
        }

        .cta-form select option {
            color: var(--text-main);
            background: #fff;
        }

        .cta-form .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            margin-top: var(--spacing-xs);
        }

        .cta-form .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1E2B;
            color: #B0B8C4;
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #B0B8C4;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-lg);
            text-align: center;
            font-size: 12px;
            color: #7A8290;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                flex-wrap: wrap;
            }
        }

        .footer-bottom a {
            color: #B0B8C4;
            text-decoration: none;
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ========== RESPONSIVE FINE-TUNING ========== */
        @media (max-width: 520px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .metric-value {
                font-size: 26px;
            }
            .kpi-value {
                font-size: 28px;
            }
            .deep-a-text h2 {
                font-size: 22px;
            }
            .comparison-card {
                padding: var(--spacing-md);
            }
            .cta-form-wrapper h2 {
                font-size: 22px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 10px 18px;
                font-size: 14px;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-date {
                min-width: auto;
            }
            .showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 521px) and (max-width: 1023px) {
            .hero-title {
                font-size: 34px;
            }
            .service-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-col-left {
                grid-column: 1 / -1;
            }
            .showcase-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* Foundation overrides */
        .foundation-override .button {
            background: var(--primary);
            font-family: var(--font-family);
            border-radius: var(--radius-sm);
        }

        .foundation-override .button:hover {
            background: var(--primary-hover);
        }

        /* Accessibility */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* Utility */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category2 */
:root {
            --primary: #1A3B6B;
            --primary-hover: #0F2948;
            --primary-light: #2A5290;
            --accent: #E55B3C;
            --accent-hover: #C94A2F;
            --bg-light: #F4F7FC;
            --bg-alt: #F8FAFD;
            --bg-white: #FFFFFF;
            --text-main: #1E1E1E;
            --text-secondary: #5A5A5A;
            --text-light: #8A8A8A;
            --text-white: #FFFFFF;
            --border-color: #E4E8EE;
            --border-light: #EDF1F6;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --spacing-4xl: 100px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-white);
            min-height: 100vh;
            padding-top: var(--header-height);
            padding-bottom: 0;
            overflow-x: hidden;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }
        input,
        select,
        textarea {
            font-family: var(--font-family);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            height: var(--header-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo-link:hover {
            text-decoration: none;
            color: var(--primary-hover);
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }
        .desktop-nav li {
            margin: 0;
        }
        .desktop-nav a {
            display: block;
            padding: 8px 13px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--bg-light);
            text-decoration: none;
        }
        .desktop-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .desktop-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 13px;
            right: 13px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }
        .nav-cta-btn {
            display: none;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .nav-cta-btn {
                display: inline-block;
            }
        }
        .nav-cta-btn:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 20px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }
        .hamburger-btn:hover {
            background: var(--bg-light);
        }

        /* ========== MOBILE BOTTOM TAB ========== */
        .bottom-tab-bar {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 var(--spacing-xs);
        }
        @media (min-width: 1024px) {
            .bottom-tab-bar {
                display: none;
            }
        }
        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-light);
            text-decoration: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
            flex: 1;
            text-align: center;
            min-width: 0;
        }
        .bottom-tab-item i {
            font-size: 18px;
            transition: color var(--transition-fast);
        }
        .bottom-tab-item:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .bottom-tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }
        .bottom-tab-spacer {
            display: block;
            height: var(--bottom-tab-height);
        }
        @media (min-width: 1024px) {
            .bottom-tab-spacer {
                display: none;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-light);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-light);
        }
        .breadcrumb-list a {
            color: var(--text-secondary);
            text-decoration: none;
        }
        .breadcrumb-list a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb-list .separator {
            color: var(--border-color);
            font-size: 12px;
        }
        .breadcrumb-list .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-xl) 0;
            }
        }
        .section-sm {
            padding: var(--spacing-lg) 0;
        }
        .section-lg {
            padding: var(--spacing-3xl) 0;
        }
        @media (max-width: 768px) {
            .section-lg {
                padding: var(--spacing-2xl) 0;
            }
        }

        /* ========== HERO ========== */
        .category-hero {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 45vh;
            }
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 59, 107, 0.82) 0%, rgba(15, 41, 72, 0.7) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: var(--spacing-2xl) var(--spacing-md);
            color: var(--text-white);
        }
        @media (min-width: 768px) {
            .category-hero .hero-content {
                padding: var(--spacing-3xl) var(--spacing-lg);
            }
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-md);
        }
        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 var(--spacing-md) 0;
            color: #fff;
            letter-spacing: -0.02em;
        }
        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 28px;
            }
        }
        .category-hero .hero-subtitle {
            font-size: 18px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin: 0 0 var(--spacing-lg) 0;
        }
        @media (max-width: 768px) {
            .category-hero .hero-subtitle {
                font-size: 15px;
            }
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-block;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .btn-outline:hover {
            background: #fff;
            color: var(--primary);
            text-decoration: none;
            border-color: #fff;
        }
        .btn-secondary {
            display: inline-block;
            padding: 11px 24px;
            font-size: 14px;
            font-weight: 600;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
        }
        .btn-text:hover {
            color: var(--primary-hover);
            text-decoration: none;
            gap: 10px;
        }
        .btn-text i {
            transition: transform var(--transition-fast);
        }
        .btn-text:hover i {
            transform: translateX(3px);
        }

        /* ========== METRICS BOARD ========== */
        .metrics-board {
            background: var(--bg-light);
            padding: var(--spacing-xl) 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: default;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .metric-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 6px;
        }
        .metric-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            background: #E8F5E9;
            color: #2E7D32;
        }
        .metric-trend.down {
            background: #FFEBEE;
            color: #C62828;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            background: var(--bg-white);
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .matrix-grid {
                grid-template-columns: 2fr 1fr;
                gap: var(--spacing-lg);
            }
        }
        .matrix-left {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .matrix-left {
                grid-template-columns: 1fr 1fr;
            }
        }
        .matrix-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .matrix-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .matrix-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .matrix-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.3;
        }
        .matrix-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .matrix-tall-card {
            background: var(--primary);
            border-radius: var(--radius-md);
            padding: var(--spacing-xl) var(--spacing-lg);
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--spacing-md);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .matrix-tall-card::after {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 120px;
            height: 120px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .matrix-tall-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }
        .matrix-tall-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0;
            color: #fff;
            position: relative;
            z-index: 1;
        }
        .matrix-tall-card p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }
        .matrix-tall-card .btn-outline {
            align-self: flex-start;
            position: relative;
            z-index: 1;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            background: var(--bg-alt);
        }
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        @media (min-width: 768px) {
            .deep-content-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 10;
            background: var(--bg-light);
        }
        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .deep-content-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.3;
        }
        .deep-content-text .meta-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-sm);
        }
        .meta-tag {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 12px;
            background: var(--bg-light);
            color: var(--text-secondary);
            font-weight: 500;
            border: 1px solid var(--border-light);
        }
        .deep-content-text .read-count {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 var(--spacing-md) 0;
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: linear-gradient(180deg, var(--bg-light) 0%, #EBF0F6 100%);
        }
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            align-items: stretch;
        }
        @media (min-width: 768px) {
            .comparison-wrapper {
                grid-template-columns: 1fr auto 1fr;
            }
        }
        .comparison-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition-normal);
        }
        .comparison-card:hover {
            box-shadow: var(--shadow-xl);
        }
        .comparison-card .team-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--spacing-md);
        }
        .comparison-card .stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-secondary);
        }
        .comparison-card .stat-row:last-child {
            border-bottom: none;
        }
        .comparison-card .stat-value {
            font-weight: 700;
            color: var(--primary);
        }
        .comparison-bar {
            width: 100%;
            height: 6px;
            background: var(--border-light);
            border-radius: 3px;
            margin-top: 4px;
            overflow: hidden;
        }
        .comparison-bar-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 3px;
            transition: width var(--transition-slow);
        }
        .comparison-bar-fill.accent {
            background: var(--accent);
        }
        .vs-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            padding: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .vs-badge {
                flex-direction: column;
                font-size: 24px;
            }
        }

        /* ========== TEAM SPOTLIGHT ========== */
        .team-spotlight {
            background: var(--bg-white);
        }
        .spotlight-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .spotlight-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .spotlight-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .spotlight-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .spotlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .spotlight-card .spotlight-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-light);
        }
        .spotlight-card .spotlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .spotlight-card:hover .spotlight-img img {
            transform: scale(1.04);
        }
        .spotlight-card .spotlight-body {
            padding: var(--spacing-md);
        }
        .spotlight-card .spotlight-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 6px 0;
            line-height: 1.3;
        }
        .spotlight-card .spotlight-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0 0 var(--spacing-sm) 0;
            line-height: 1.5;
        }
        .spotlight-card .spotlight-body .spotlight-tag {
            display: inline-block;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
            background: #FFF3E0;
            color: #E65100;
            font-weight: 600;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl) var(--spacing-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            text-align: center;
        }
        @media (max-width: 768px) {
            .brand-intro-card {
                padding: var(--spacing-xl) var(--spacing-md);
            }
        }
        .brand-intro-card h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 var(--spacing-md) 0;
        }
        .brand-intro-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            text-align: left;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-white);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: var(--bg-white);
            border: none;
            padding: var(--spacing-md) 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: var(--spacing-md);
        }
        .faq-item.open .faq-question {
            color: var(--primary);
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: var(--bg-light);
        }
        .cta-form-wrapper {
            max-width: 520px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl) var(--spacing-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            text-align: center;
        }
        @media (max-width: 768px) {
            .cta-form-wrapper {
                padding: var(--spacing-xl) var(--spacing-md);
            }
        }
        .cta-form-wrapper h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 6px 0;
        }
        .cta-form-wrapper .cta-subtitle {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 var(--spacing-lg) 0;
        }
        .cta-form-wrapper input,
        .cta-form-wrapper select {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xs);
            margin-bottom: var(--spacing-sm);
            transition: border-color var(--transition-fast);
            background: var(--bg-white);
            color: var(--text-main);
        }
        .cta-form-wrapper input:focus,
        .cta-form-wrapper select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 59, 107, 0.08);
        }
        .cta-form-wrapper .btn-primary {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            margin-top: var(--spacing-xs);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1E2B;
            color: #B0B5BF;
            padding: var(--spacing-2xl) 0 var(--spacing-md) 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-sm) 0;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: #B0B5BF;
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: #7A7F88;
            justify-content: center;
            align-items: center;
            text-align: center;
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-bottom-links a {
            color: #7A7F88;
            font-size: 12px;
            text-decoration: none;
        }
        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== SECTION HEADER ========== */
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 var(--spacing-xs) 0;
            line-height: 1.3;
        }
        .section-header .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 22px;
            }
            .section-header .section-subtitle {
                font-size: 14px;
            }
        }
        .section-header-left {
            text-align: left;
            margin-bottom: var(--spacing-xl);
        }
        .section-header-left h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 var(--spacing-xs) 0;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            .section-header-left h2 {
                font-size: 22px;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .mb-lg {
            margin-bottom: var(--spacing-lg);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== OVERRIDE FOUNDATION ========== */
        .foundation-mq {
            font-family: "foundation";
        }
        a[href]:not(.btn-primary):not(.btn-outline):not(.btn-secondary):not(.btn-text):not(.logo-link):not(.nav-cta-btn):not(.bottom-tab-item) {
            color: var(--primary);
        }
        a[href]:not(.btn-primary):not(.btn-outline):not(.btn-secondary):not(.btn-text):not(.logo-link):not(.nav-cta-btn):not(.bottom-tab-item):hover {
            color: var(--primary-hover);
        }

/* roulang page: category1 */
:root {
            --primary: #1A3B6B;
            --primary-hover: #0F2948;
            --primary-light: #2A5290;
            --accent: #E55B3C;
            --accent-hover: #C94A2F;
            --bg-light: #F4F7FC;
            --bg-alt: #F8FAFD;
            --bg-white: #FFFFFF;
            --text-main: #1E1E1E;
            --text-secondary: #5A5A5A;
            --text-light: #8A8A8A;
            --text-white: #FFFFFF;
            --border-color: #E4E8EE;
            --border-light: #EDF1F6;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --spacing-4xl: 100px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-white);
            min-height: 100vh;
            padding-top: var(--header-height);
            padding-bottom: 0;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        input,
        select,
        textarea {
            font-family: var(--font-family);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            color: var(--text-main);
            line-height: 1.3;
        }

        h1 {
            font-size: 36px;
            line-height: 1.2;
        }
        h2 {
            font-size: 28px;
        }
        h3 {
            font-size: 22px;
            line-height: 1.4;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            height: var(--header-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-link:hover {
            text-decoration: none;
            color: var(--primary-hover);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }

        .desktop-nav li {
            margin: 0;
        }

        .desktop-nav a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast), border-bottom var(--transition-fast);
            border-bottom: 2px solid transparent;
            text-decoration: none;
        }

        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--bg-light);
            text-decoration: none;
            border-bottom: 2px solid transparent;
        }

        .desktop-nav a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 2px solid var(--primary);
            background: transparent;
        }

        .nav-cta-btn {
            display: none;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            flex-shrink: 0;
            cursor: pointer;
        }

        @media (min-width: 1024px) {
            .nav-cta-btn {
                display: inline-block;
            }
        }

        .nav-cta-btn:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 20px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .hamburger-btn:hover {
            background: var(--bg-light);
        }

        /* ========== MOBILE BOTTOM TAB NAV ========== */
        .bottom-tab-nav {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 4px;
        }

        @media (min-width: 1024px) {
            .bottom-tab-nav {
                display: none;
            }
        }

        .bottom-tab-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
            flex: 1;
            max-width: 80px;
            text-align: center;
        }

        .bottom-tab-nav a i {
            font-size: 18px;
            transition: color var(--transition-fast);
        }

        .bottom-tab-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .bottom-tab-nav a.active i {
            color: var(--primary);
        }

        .bottom-tab-nav a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        body {
            padding-bottom: var(--bottom-tab-height);
        }

        @media (min-width: 1024px) {
            body {
                padding-bottom: 0;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
            padding: var(--spacing-sm) 0;
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
            flex-wrap: wrap;
        }

        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-light);
        }

        .breadcrumb-list li a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb-list li a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb-list li.current {
            color: var(--primary);
            font-weight: 600;
        }

        .breadcrumb-sep {
            color: var(--border-color);
            font-size: 12px;
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 59, 107, 0.82) 0%, rgba(26, 59, 107, 0.65) 50%, rgba(15, 41, 72, 0.78) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: var(--spacing-2xl) var(--spacing-md);
            text-align: center;
        }

        @media (min-width: 768px) {
            .category-hero .hero-content {
                padding: var(--spacing-3xl) var(--spacing-lg);
            }
            .category-hero {
                min-height: 440px;
            }
        }

        @media (min-width: 1024px) {
            .category-hero .hero-content {
                padding: var(--spacing-4xl) var(--spacing-xl);
                text-align: left;
                max-width: 65%;
                margin-left: 0;
            }
            .category-hero {
                min-height: 480px;
            }
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .category-hero h1 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.02em;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
        }

        @media (min-width: 768px) {
            .category-hero h1 {
                font-size: 42px;
            }
        }

        @media (min-width: 1024px) {
            .category-hero h1 {
                font-size: 48px;
            }
        }

        .category-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            max-width: 680px;
            margin: 0 auto var(--spacing-lg);
        }

        @media (min-width: 1024px) {
            .category-hero .hero-desc {
                margin: 0 0 var(--spacing-lg);
                font-size: 18px;
            }
        }

        .category-hero .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
        }

        @media (min-width: 1024px) {
            .category-hero .hero-cta-group {
                justify-content: flex-start;
            }
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        .btn-accent {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: color var(--transition-fast);
            padding: 0;
        }

        .btn-text:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        .btn-text i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .btn-text:hover i {
            transform: translateX(3px);
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            background: var(--bg-light);
            padding: var(--spacing-xl) 0;
            border-bottom: 1px solid var(--border-light);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: var(--spacing-lg);
            }
        }

        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: default;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .metric-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
            margin-bottom: var(--spacing-xs);
            line-height: 1;
        }

        @media (min-width: 768px) {
            .metric-value {
                font-size: 42px;
            }
        }

        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: var(--spacing-xs);
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
        }

        .metric-trend.up {
            color: #2E7D32;
            background: #E8F5E9;
        }

        .metric-trend.down {
            color: #C62828;
            background: #FFEBEE;
        }

        .metric-trend.stable {
            color: #5A5A5A;
            background: #F5F5F5;
        }

        /* ========== MAIN CONTENT LAYOUT ========== */
        .content-layout {
            padding: var(--spacing-xl) 0;
        }

        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-xl);
        }

        @media (min-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr 320px;
                gap: var(--spacing-2xl);
            }
        }

        @media (min-width: 1200px) {
            .content-grid {
                grid-template-columns: 1fr 340px;
                gap: var(--spacing-3xl);
            }
        }

        /* ========== ARTICLE LIST ========== */
        .article-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 2px solid var(--border-light);
        }

        .article-list-header h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
        }

        .article-count {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 400;
        }

        .article-item {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            padding: var(--spacing-lg);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        @media (min-width: 640px) {
            .article-item {
                flex-direction: row;
                gap: var(--spacing-lg);
            }
        }

        .article-item:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--border-color);
            transform: translateY(-2px);
        }

        .article-thumb {
            flex-shrink: 0;
            width: 100%;
            height: 180px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-light);
        }

        @media (min-width: 640px) {
            .article-thumb {
                width: 200px;
                height: 150px;
            }
        }

        @media (min-width: 768px) {
            .article-thumb {
                width: 240px;
                height: 170px;
            }
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-item:hover .article-thumb img {
            transform: scale(1.04);
        }

        .article-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .article-info h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }

        .article-info h3 a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .article-info h3 a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: var(--spacing-xs);
        }

        .article-meta .article-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: var(--spacing-sm);
        }

        .article-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: var(--bg-light);
            border-radius: 12px;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .article-tag:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .article-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== PAGINATION ========== */
        .pagination-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: var(--spacing-lg) 0;
            flex-wrap: wrap;
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .pagination-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
            background: var(--bg-light);
        }

        .pagination-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .pagination-btn.disabled {
            color: var(--text-light);
            pointer-events: none;
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }

        .sidebar-widget {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--border-light);
            letter-spacing: -0.01em;
        }

        .sidebar-article-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-article-list li {
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }

        .sidebar-article-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-article-list li a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            text-decoration: none;
            display: block;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .sidebar-article-list li a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .sidebar-article-list .side-meta {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 2px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-light);
            border-radius: 16px;
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .sidebar-subscribe {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
        }

        .sidebar-subscribe h4 {
            border-bottom: none;
            margin-bottom: var(--spacing-sm);
            padding-bottom: 0;
        }

        .sidebar-subscribe p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
        }

        .sidebar-subscribe input {
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xs);
            margin-bottom: var(--spacing-sm);
            transition: border-color var(--transition-fast);
            outline: none;
        }

        .sidebar-subscribe input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 59, 107, 0.08);
        }

        .sidebar-subscribe .btn-primary {
            width: 100%;
            text-align: center;
            padding: 10px 20px;
            font-size: 14px;
        }

        /* ========== DEEP CONTENT SECTION ========== */
        .deep-content-section {
            background: var(--bg-alt);
            padding: var(--spacing-2xl) 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        @media (min-width: 768px) {
            .deep-content-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-2xl);
            }
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16 / 10;
            background: var(--bg-light);
        }

        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-content-text h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--text-main);
        }

        @media (min-width: 768px) {
            .deep-content-text h2 {
                font-size: 30px;
            }
        }

        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }

        .deep-content-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: var(--spacing-md);
        }

        .deep-content-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-2xl) 0;
        }

        .faq-section h2 {
            text-align: center;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: var(--spacing-xl);
            color: var(--text-main);
        }

        @media (min-width: 768px) {
            .faq-section h2 {
                font-size: 32px;
            }
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            background: var(--bg-white);
            transition: box-shadow var(--transition-normal);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            background: var(--bg-white);
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            text-align: left;
            transition: background var(--transition-fast);
            gap: var(--spacing-sm);
            font-family: var(--font-family);
            line-height: 1.5;
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question {
            background: var(--bg-light);
            color: var(--primary);
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: var(--bg-white);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-top: 1px solid var(--border-light);
        }

        .faq-item.open .faq-answer-inner {
            padding-top: var(--spacing-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-light);
            padding: var(--spacing-2xl) 0;
        }

        .cta-card {
            max-width: 560px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg);
            text-align: center;
            border: 1px solid var(--border-light);
        }

        @media (min-width: 768px) {
            .cta-card {
                padding: var(--spacing-2xl);
            }
        }

        .cta-card h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-main);
        }

        @media (min-width: 768px) {
            .cta-card h2 {
                font-size: 28px;
            }
        }

        .cta-card p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            text-align: left;
        }

        .cta-form label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0;
        }

        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 11px 14px;
            font-size: 15px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xs);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            outline: none;
            background: var(--bg-white);
            font-family: var(--font-family);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 59, 107, 0.08);
        }

        .cta-form .btn-primary {
            width: 100%;
            text-align: center;
            padding: 13px 24px;
            font-size: 16px;
            margin-top: var(--spacing-xs);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1E2B;
            color: #C5C8CE;
            padding: var(--spacing-2xl) 0 var(--spacing-md);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: var(--spacing-lg);
            }
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: var(--spacing-xs);
        }

        .footer-col ul li a {
            color: #C5C8CE;
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition-fast);
            line-height: 1.8;
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
            align-items: center;
            font-size: 12px;
            color: #9A9DA3;
            text-align: center;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
            width: 100%;
            margin-top: var(--spacing-xs);
        }

        .footer-bottom-links a {
            color: #9A9DA3;
            font-size: 12px;
            text-decoration: none;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== RESPONSIVE FINE-TUNING ========== */
        @media (max-width: 639px) {
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            h3 {
                font-size: 18px;
            }
            .category-hero {
                min-height: 320px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 15px;
            }
            .article-thumb {
                height: 160px;
            }
            .article-info h3 {
                font-size: 16px;
            }
            .metric-value {
                font-size: 28px;
            }
            .deep-content-text h2 {
                font-size: 22px;
            }
            .cta-card {
                padding: var(--spacing-lg);
            }
            .cta-card h2 {
                font-size: 20px;
            }
            .pagination-btn {
                min-width: 32px;
                height: 32px;
                font-size: 12px;
                padding: 0 8px;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            h1 {
                font-size: 32px;
            }
            h2 {
                font-size: 26px;
            }
            .category-hero {
                min-height: 380px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
        }

        /* Section spacing */
        section {
            scroll-margin-top: var(--header-height);
        }

        /* Utility */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category3 */
:root {
            --primary: #1A3B6B;
            --primary-hover: #0F2948;
            --primary-light: #2A5290;
            --accent: #E55B3C;
            --accent-hover: #C94A2F;
            --bg-light: #F4F7FC;
            --bg-alt: #F8FAFD;
            --bg-white: #FFFFFF;
            --text-main: #1E1E1E;
            --text-secondary: #5A5A5A;
            --text-light: #8A8A8A;
            --text-white: #FFFFFF;
            --border-color: #E4E8EE;
            --border-light: #EDF1F6;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --spacing-4xl: 100px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-white);
            min-height: 100vh;
            padding-top: var(--header-height);
            padding-bottom: 0;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        input,
        select,
        textarea {
            font-family: var(--font-family);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            height: var(--header-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-link:hover {
            text-decoration: none;
            color: var(--primary-hover);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }

        .desktop-nav li {
            margin: 0;
        }

        .desktop-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            text-decoration: none;
        }

        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--bg-light);
            text-decoration: none;
        }

        .desktop-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .desktop-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-cta-btn {
            display: none;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            flex-shrink: 0;
        }

        @media (min-width: 1024px) {
            .nav-cta-btn {
                display: inline-block;
            }
        }

        .nav-cta-btn:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .hamburger-btn:hover {
            background: var(--bg-light);
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-white);
            z-index: 999;
            transform: translateX(-100%);
            transition: transform var(--transition-normal);
            overflow-y: auto;
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            text-decoration: none;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--primary);
            background: var(--bg-light);
            text-decoration: none;
        }

        .mobile-drawer .drawer-cta {
            margin-top: auto;
            padding: 14px 16px;
            text-align: center;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            text-decoration: none;
        }

        .mobile-drawer .drawer-cta:hover {
            background: var(--primary-hover);
            text-decoration: none;
            color: #fff;
        }

        /* Mobile bottom tab bar */
        .bottom-tab-bar {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 4px;
        }

        @media (min-width: 1024px) {
            .bottom-tab-bar {
                display: none;
            }
        }

        .bottom-tab-bar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            padding: 4px 8px;
            border-radius: var(--radius-xs);
            transition: color var(--transition-fast);
            flex: 1;
            text-align: center;
            min-width: 0;
        }

        .bottom-tab-bar a i {
            font-size: 18px;
            transition: color var(--transition-fast);
        }

        .bottom-tab-bar a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .bottom-tab-bar a.active i {
            color: var(--primary);
        }

        .bottom-tab-bar a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        @media (max-width: 1023px) {
            body {
                padding-bottom: var(--bottom-tab-height);
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-light);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-light);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
        }

        .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb-nav .separator {
            color: var(--border-color);
            font-size: 12px;
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(26, 59, 107, 0.88) 0%, rgba(15, 41, 72, 0.92) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: var(--spacing-3xl) 0;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .hero-section {
                min-height: 55vh;
            }
        }

        @media (min-width: 1024px) {
            .hero-section {
                min-height: 65vh;
            }
        }

        .hero-inner {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2xl);
            align-items: center;
            width: 100%;
        }

        @media (min-width: 1024px) {
            .hero-inner {
                flex-direction: row;
                align-items: center;
                gap: var(--spacing-3xl);
            }
        }

        .hero-text {
            flex: 1;
            color: var(--text-white);
            text-align: center;
        }

        @media (min-width: 1024px) {
            .hero-text {
                text-align: left;
            }
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .hero-text h1 {
            font-size: 32px;
            line-height: 1.2;
            font-weight: 800;
            color: #fff;
            margin: 0 0 var(--spacing-md) 0;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .hero-text h1 {
                font-size: 40px;
            }
        }

        @media (min-width: 1024px) {
            .hero-text h1 {
                font-size: 44px;
            }
        }

        .hero-text .hero-subtitle {
            font-size: 17px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 var(--spacing-lg) 0;
            max-width: 560px;
        }

        @media (min-width: 1024px) {
            .hero-text .hero-subtitle {
                font-size: 18px;
            }
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
        }

        @media (min-width: 1024px) {
            .hero-buttons {
                justify-content: flex-start;
            }
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        .hero-visual {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-stats-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-xl);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
            width: 100%;
            max-width: 420px;
        }

        .hero-stat-item {
            text-align: center;
            padding: var(--spacing-sm);
        }

        .hero-stat-item .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .hero-stat-item .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        .hero-stat-item .stat-trend {
            display: inline-block;
            font-size: 11px;
            color: #22C55E;
            font-weight: 600;
            margin-top: 2px;
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: var(--spacing-2xl) 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: var(--spacing-3xl) 0;
            }
        }

        @media (min-width: 1024px) {
            .section-padding {
                padding: var(--spacing-4xl) 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        @media (min-width: 768px) {
            .section-header {
                margin-bottom: var(--spacing-2xl);
            }
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 var(--spacing-sm) 0;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 30px;
            }
        }

        .section-header .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .bg-light-section {
            background: var(--bg-light);
        }

        .bg-alt-section {
            background: var(--bg-alt);
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .metric-card .metric-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
        }

        .metric-card .metric-value {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .metric-card .metric-trend-line {
            height: 3px;
            background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 60%, transparent 100%);
            border-radius: 2px;
            margin-top: var(--spacing-sm);
            width: 70%;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== ASYMMETRIC GRID ========== */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
        }

        @media (min-width: 768px) {
            .asymmetric-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .asymmetric-grid {
                grid-template-columns: 2fr 1fr;
            }
        }

        .asymmetric-grid.reverse {
            direction: ltr;
        }

        @media (min-width: 1024px) {
            .asymmetric-grid.reverse {
                grid-template-columns: 1fr 2fr;
            }
        }

        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .topic-card .topic-img {
            height: 180px;
            overflow: hidden;
            flex-shrink: 0;
        }

        @media (min-width: 768px) {
            .topic-card .topic-img {
                height: 200px;
            }
        }

        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .topic-card:hover .topic-img img {
            transform: scale(1.04);
        }

        .topic-card .topic-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card .topic-tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: var(--spacing-xs);
            width: fit-content;
        }

        .topic-card .topic-tag.hot {
            background: #FEF2F2;
            color: var(--accent);
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 var(--spacing-xs) 0;
            color: var(--text-main);
            line-height: 1.3;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 var(--spacing-md) 0;
            line-height: 1.6;
            flex: 1;
        }

        .topic-card .topic-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 12px;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .topic-card .topic-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .topic-card .topic-meta i {
            font-size: 13px;
        }

        .topic-card-lg {
            grid-row: span 2;
        }

        .topic-card-lg .topic-img {
            height: 220px;
        }

        @media (min-width: 768px) {
            .topic-card-lg .topic-img {
                height: 280px;
            }
        }

        .topic-card-sm {
            display: flex;
            flex-direction: row;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            align-items: flex-start;
        }

        .topic-card-sm .topic-img-sm {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .topic-card-sm .topic-img-sm img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .topic-card-sm .topic-body-sm {
            flex: 1;
            min-width: 0;
        }

        .topic-card-sm h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 4px 0;
            line-height: 1.3;
            color: var(--text-main);
        }

        .topic-card-sm .topic-meta {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-row {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xl);
            align-items: center;
        }

        @media (min-width: 1024px) {
            .deep-content-row {
                flex-direction: row;
                gap: var(--spacing-2xl);
            }
        }

        .deep-content-img {
            flex: 1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            width: 100%;
        }

        .deep-content-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .deep-content-text {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .deep-content-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .deep-content-text h3 {
                font-size: 26px;
            }
        }

        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .deep-content-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
        }

        .deep-content-tags .tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--primary);
            border-radius: 14px;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: all var(--transition-fast);
            width: fit-content;
        }

        .btn-text:hover {
            color: var(--primary-hover);
            text-decoration: none;
            gap: 10px;
        }

        .btn-text i {
            transition: transform var(--transition-fast);
        }

        .btn-text:hover i {
            transform: translateX(4px);
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-wrapper {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
            align-items: center;
        }

        @media (min-width: 768px) {
            .comparison-wrapper {
                flex-direction: row;
                align-items: stretch;
            }
        }

        .comparison-card {
            flex: 1;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            text-align: center;
            width: 100%;
        }

        .comparison-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 var(--spacing-md) 0;
        }

        .comparison-bar {
            margin-bottom: var(--spacing-sm);
            text-align: left;
        }

        .comparison-bar .bar-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 4px;
            display: flex;
            justify-content: space-between;
            font-weight: 500;
        }

        .comparison-bar .bar-track {
            height: 8px;
            background: var(--bg-light);
            border-radius: 4px;
            overflow: hidden;
        }

        .comparison-bar .bar-fill {
            height: 100%;
            border-radius: 4px;
            background: var(--primary);
            transition: width var(--transition-slow);
        }

        .comparison-bar .bar-fill.accent {
            background: var(--accent);
        }

        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            padding: var(--spacing-md);
            flex-shrink: 0;
        }

        .comparison-vs .vs-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--accent);
            font-size: 16px;
            font-weight: 800;
            color: var(--accent);
        }

        /* ========== PROCESS / STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
        }

        @media (min-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 var(--spacing-xs) 0;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== SOCIAL PROOF ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
        }

        @media (min-width: 768px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }

        .testimonial-card .quote-icon {
            font-size: 32px;
            color: var(--accent);
            opacity: 0.5;
            margin-bottom: var(--spacing-sm);
            line-height: 1;
        }

        .testimonial-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 var(--spacing-md) 0;
            font-style: italic;
        }

        .testimonial-card .user-info {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .testimonial-card .user-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-card .user-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        .testimonial-card .user-role {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: var(--spacing-md) 0;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            text-align: left;
            gap: var(--spacing-sm);
            transition: color var(--transition-fast);
            font-family: var(--font-family);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item.open .faq-question {
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 var(--spacing-md) 0;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            padding: var(--spacing-2xl) 0;
        }

        @media (min-width: 768px) {
            .cta-section {
                padding: var(--spacing-3xl) 0;
            }
        }

        .cta-inner {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-sm) 0;
        }

        @media (min-width: 768px) {
            .cta-inner h2 {
                font-size: 28px;
            }
        }

        .cta-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 var(--spacing-lg) 0;
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 480px;
            margin: 0 auto;
        }

        @media (min-width: 640px) {
            .cta-form {
                flex-direction: row;
            }
        }

        .cta-form input,
        .cta-form select {
            flex: 1;
            padding: 12px 16px;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            outline: none;
            transition: all var(--transition-fast);
            font-family: var(--font-family);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
        }

        .cta-form select {
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='white' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
            color: #fff;
        }

        .cta-form select option {
            color: var(--text-main);
            background: #fff;
        }

        .cta-form .btn-submit {
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-family: var(--font-family);
        }

        .cta-form .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-lg);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1E2B;
            padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
            color: #B0B8C4;
        }

        @media (min-width: 768px) {
            .site-footer {
                padding: var(--spacing-3xl) 0 var(--spacing-lg) 0;
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-sm) 0;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #B0B8C4;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 12px;
            color: #6B7280;
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
            align-items: center;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: #6B7280;
            text-decoration: none;
        }

        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 767px) {
            .hero-section {
                min-height: 50vh;
                padding: var(--spacing-2xl) 0;
            }
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-text .hero-subtitle {
                font-size: 15px;
            }
            .hero-stats-card {
                max-width: 100%;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .topic-card .topic-img {
                height: 150px;
            }
            .deep-content-img img {
                aspect-ratio: 16/9;
            }
            .comparison-wrapper {
                gap: var(--spacing-sm);
            }
            .comparison-vs .vs-circle {
                width: 44px;
                height: 44px;
                font-size: 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .hero-stats-card {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
                padding: var(--spacing-md);
            }
            .hero-stat-item .stat-number {
                font-size: 22px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .metric-card {
                padding: var(--spacing-md);
            }
            .metric-card .metric-value {
                font-size: 24px;
            }
            .topic-card-sm {
                flex-direction: column;
            }
            .topic-card-sm .topic-img-sm {
                width: 100%;
                height: 120px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* ========== OVERLAY ========== */
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 997;
            display: none;
            transition: opacity var(--transition-normal);
        }

        .drawer-overlay.show {
            display: block;
        }

        /* ========== ANIMATION ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.5s ease forwards;
        }

/* roulang page: category4 */
:root {
            --primary: #1A3B6B;
            --primary-hover: #0F2948;
            --primary-light: #2A5290;
            --accent: #E55B3C;
            --accent-hover: #C94A2F;
            --bg-light: #F4F7FC;
            --bg-alt: #F8FAFD;
            --bg-white: #FFFFFF;
            --text-main: #1E1E1E;
            --text-secondary: #5A5A5A;
            --text-light: #8A8A8A;
            --text-white: #FFFFFF;
            --border-color: #E4E8EE;
            --border-light: #EDF1F6;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --spacing-4xl: 100px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-white);
            min-height: 100vh;
            padding-top: var(--header-height);
            padding-bottom: 0;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        input,
        select,
        textarea {
            font-family: var(--font-family);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            height: var(--header-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-link:hover {
            text-decoration: none;
            color: var(--primary-hover);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }

        .desktop-nav li {
            margin: 0;
        }

        .desktop-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

        .desktop-nav a:hover {
            color: var(--primary);
            text-decoration: none;
            background: var(--bg-light);
        }

        .desktop-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .desktop-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-cta-btn {
            display: none;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            flex-shrink: 0;
        }

        @media (min-width: 1024px) {
            .nav-cta-btn {
                display: inline-block;
            }
        }

        .nav-cta-btn:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            font-size: 20px;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .hamburger-btn:hover {
            background: var(--bg-light);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-alt);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 14px;
            flex-wrap: wrap;
        }

        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-list a {
            color: var(--text-secondary);
            text-decoration: none;
        }

        .breadcrumb-list a:hover {
            color: var(--primary);
        }

        .breadcrumb-list .separator {
            color: var(--text-light);
        }

        .breadcrumb-list .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            min-height: 70vh;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 59, 107, 0.82) 0%, rgba(15, 41, 72, 0.7) 40%, rgba(26, 59, 107, 0.78) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: var(--spacing-2xl) var(--spacing-md);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: var(--spacing-lg);
        }

        @media (min-width: 768px) {
            .hero-content {
                padding: var(--spacing-3xl) var(--spacing-lg);
                flex-direction: row;
                text-align: left;
                gap: var(--spacing-2xl);
            }
        }

        .hero-text-area {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            width: fit-content;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(229, 91, 60, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(229, 91, 60, 0);
            }
        }

        .hero-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin: 0;
            letter-spacing: -0.02em;
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 44px;
            }
        }

        @media (min-width: 1024px) {
            .hero-title {
                font-size: 48px;
            }
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            margin: 0;
            max-width: 560px;
        }

        @media (min-width: 768px) {
            .hero-subtitle {
                font-size: 19px;
            }
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-xs);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        .hero-countdown-area {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-md);
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-xl);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            min-width: 260px;
        }

        .countdown-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        .countdown-timer {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }

        .countdown-num {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            width: 56px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        @media (min-width: 768px) {
            .countdown-num {
                font-size: 42px;
                width: 64px;
                height: 70px;
            }
        }

        .countdown-sep {
            font-size: 28px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.7);
            padding-bottom: 16px;
        }

        .countdown-text {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .carousel-dots {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            padding: 0;
        }

        .carousel-dot.active {
            background: #fff;
            width: 28px;
            border-radius: 5px;
        }

        .carousel-dot:hover {
            background: rgba(255, 255, 255, 0.7);
        }

        /* ========== SECTION COMMONS ========== */
        .section-padding {
            padding: var(--spacing-2xl) 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: var(--spacing-3xl) 0;
            }
        }

        @media (min-width: 1024px) {
            .section-padding {
                padding: var(--spacing-4xl) 0;
            }
        }

        .section-bg-light {
            background: var(--bg-light);
        }

        .section-bg-alt {
            background: var(--bg-alt);
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 var(--spacing-xs) 0;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 30px;
            }
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0 0 var(--spacing-xl) 0;
            line-height: 1.6;
            max-width: 640px;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        @media (min-width: 768px) {
            .section-header {
                margin-bottom: var(--spacing-2xl);
            }
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            cursor: default;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .metric-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: var(--spacing-xs);
        }

        .metric-value {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 6px;
        }

        .metric-trend.up {
            color: #16A34A;
        }

        .metric-trend.down {
            color: #DC2626;
        }

        /* ========== SERVICE MATRIX (ASYMMETRIC) ========== */
        .matrix-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        @media (min-width: 768px) {
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .matrix-grid {
                grid-template-columns: 5fr 3fr;
            }
        }

        .matrix-left {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .matrix-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
        }

        .matrix-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .matrix-card-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .matrix-card-body h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text-main);
        }

        .matrix-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 10px 0;
            line-height: 1.6;
        }

        .matrix-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .matrix-card-link:hover {
            gap: 8px;
            text-decoration: none;
            color: var(--primary-hover);
        }

        .matrix-right {
            display: flex;
        }

        .matrix-tall-card {
            background: var(--primary);
            border-radius: var(--radius-md);
            padding: var(--spacing-xl);
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: var(--spacing-md);
            width: 100%;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .matrix-tall-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 140px;
            height: 140px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .matrix-tall-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }

        .matrix-tall-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        .matrix-tall-card p {
            font-size: 15px;
            opacity: 0.9;
            margin: 0;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .matrix-tall-card .btn-white-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-sm);
            background: transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            width: fit-content;
            position: relative;
            z-index: 1;
        }

        .matrix-tall-card .btn-white-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            text-decoration: none;
        }

        /* ========== HOT TOPICS ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        @media (min-width: 640px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .topics-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .topic-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .topic-card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .topic-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .topic-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 12px;
            width: fit-content;
            letter-spacing: 0.03em;
        }

        .topic-card-body h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0;
            line-height: 1.4;
            color: var(--text-main);
        }

        .topic-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .topic-card-stats {
            display: flex;
            gap: var(--spacing-md);
            font-size: 12px;
            color: var(--text-light);
            margin-top: auto;
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--border-light);
        }

        .topic-card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-md);
            border: 1px solid var(--border-color);
        }

        @media (min-width: 768px) {
            .comparison-container {
                grid-template-columns: 1fr auto 1fr;
                padding: var(--spacing-xl) var(--spacing-lg);
                align-items: center;
            }
        }

        .comparison-panel {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .comparison-panel h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 var(--spacing-md) 0;
            text-align: center;
            color: var(--text-main);
        }

        .comparison-bar-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-sm);
        }

        .comparison-bar-label {
            font-size: 13px;
            color: var(--text-secondary);
            width: 70px;
            flex-shrink: 0;
            text-align: right;
        }

        .comparison-bar-track {
            flex: 1;
            height: 10px;
            background: #E8ECF2;
            border-radius: 5px;
            overflow: hidden;
        }

        .comparison-bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width 0.6s ease;
        }

        .comparison-bar-fill.blue {
            background: var(--primary);
        }

        .comparison-bar-fill.orange {
            background: var(--accent);
        }

        .comparison-bar-value {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-main);
            width: 36px;
            flex-shrink: 0;
        }

        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            padding: var(--spacing-sm);
        }

        .comparison-vs-circle {
            width: 56px;
            height: 56px;
            background: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 3px solid var(--accent);
            font-weight: 800;
            font-size: 18px;
            color: var(--accent);
            box-shadow: var(--shadow-md);
        }

        /* ========== PROCESS STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }

        @media (min-width: 640px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .step-card {
            text-align: center;
            padding: var(--spacing-lg);
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .step-number {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin: 0 auto var(--spacing-sm) auto;
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text-main);
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--bg-white);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            transition: background var(--transition-fast);
            line-height: 1.5;
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question .faq-icon {
            font-size: 14px;
            transition: transform var(--transition-normal);
            color: var(--primary);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-item.open .faq-question {
            background: var(--bg-light);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-lg);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-lg) var(--spacing-md) var(--spacing-lg);
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA FORM ========== */
        .cta-form-wrapper {
            max-width: 520px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }

        .cta-form-wrapper h3 {
            font-size: 22px;
            font-weight: 700;
            text-align: center;
            margin: 0 0 var(--spacing-xs) 0;
        }

        .cta-form-wrapper .cta-form-subtitle {
            font-size: 14px;
            color: var(--text-secondary);
            text-align: center;
            margin: 0 0 var(--spacing-lg) 0;
        }

        .form-group {
            margin-bottom: var(--spacing-md);
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            font-size: 15px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xs);
            background: var(--bg-white);
            color: var(--text-main);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-family: var(--font-family);
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 59, 107, 0.1);
        }

        .btn-submit-full {
            width: 100%;
            padding: 13px;
            font-size: 16px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-submit-full:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

        .brand-intro-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 var(--spacing-md) 0;
            text-align: center;
            color: var(--text-main);
        }

        .brand-intro-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 var(--spacing-sm) 0;
        }

        .brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1E2B;
            color: #B0B8C4;
            padding: var(--spacing-2xl) 0 var(--spacing-md) 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-sm) 0;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: #B0B8C4;
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 12px;
            color: #8A909C;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
        }

        .footer-bottom-links a {
            color: #8A909C;
            font-size: 12px;
            text-decoration: none;
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== MOBILE BOTTOM TAB ========== */
        .bottom-tab-bar {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-white);
            border-top: 1px solid var(--border-color);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .bottom-tab-bar {
                display: none;
            }
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 10px;
            color: var(--text-light);
            text-decoration: none;
            padding: 6px 10px;
            transition: color var(--transition-fast);
            font-weight: 500;
            flex: 1;
            text-align: center;
        }

        .bottom-tab-item i {
            font-size: 18px;
        }

        .bottom-tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .bottom-tab-item:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* ========== RESPONSIVE ADJUSTMENTS ========== */
        @media (max-width: 639px) {
            body {
                padding-bottom: var(--bottom-tab-height);
            }
            .hero-section {
                min-height: 60vh;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-countdown-area {
                padding: var(--spacing-md);
                min-width: auto;
                width: 100%;
            }
            .countdown-num {
                font-size: 28px;
                width: 44px;
                height: 48px;
            }
            .countdown-sep {
                font-size: 20px;
                padding-bottom: 12px;
            }
            .section-title {
                font-size: 22px;
            }
            .metric-value {
                font-size: 26px;
            }
            .matrix-tall-card {
                padding: var(--spacing-lg);
            }
            .comparison-container {
                padding: var(--spacing-md);
            }
            .comparison-bar-label {
                width: 50px;
                font-size: 11px;
            }
            .topic-card-image {
                height: 140px;
            }
            .cta-form-wrapper {
                padding: var(--spacing-lg);
            }
            .brand-intro-card {
                padding: var(--spacing-lg);
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .hero-title {
                font-size: 36px;
            }
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            .hero-text-area {
                align-items: center;
            }
            .hero-subtitle {
                text-align: center;
            }
            .hero-actions {
                justify-content: center;
            }
            .section-title {
                font-size: 24px;
            }
        }

        /* Foundation overrides */
        .accordion {
            background: transparent;
            border: none;
        }
        .accordion-item {
            border: none;
            margin-bottom: var(--spacing-sm);
        }
        .accordion-title {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }
        .accordion-title:hover {
            background: var(--bg-light);
        }
        .accordion-content {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-top: none;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            padding: var(--spacing-md) var(--spacing-lg);
        }

/* roulang page: category5 */
:root {
            --primary: #1A3B6B;
            --primary-hover: #0F2948;
            --primary-light: #2A5290;
            --accent: #E55B3C;
            --accent-hover: #C94A2F;
            --bg-light: #F4F7FC;
            --bg-alt: #F8FAFD;
            --bg-white: #FFFFFF;
            --text-main: #1E1E1E;
            --text-secondary: #5A5A5A;
            --text-light: #8A8A8A;
            --text-white: #FFFFFF;
            --border-color: #E4E8EE;
            --border-light: #EDF1F6;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --spacing-4xl: 100px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 56px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-white);
            min-height: 100vh;
            padding-top: var(--header-height);
            padding-bottom: var(--bottom-tab-height);
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }
        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        input,
        select,
        textarea {
            font-family: var(--font-family);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
            body {
                padding-bottom: 0;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            height: var(--header-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo-link:hover {
            text-decoration: none;
            color: var(--primary-hover);
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }
        .desktop-nav li {
            margin: 0;
        }
        .desktop-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--primary);
            text-decoration: none;
            background: var(--bg-light);
        }
        .desktop-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .desktop-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }
        .nav-cta-btn {
            display: none;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .nav-cta-btn {
                display: inline-block;
                margin-left: 12px;
            }
        }
        .nav-cta-btn:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }
        .hamburger-btn:hover {
            background: var(--bg-light);
        }

        /* ========== BOTTOM TAB NAV (mobile) ========== */
        .bottom-tab-nav {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 4px;
        }
        @media (min-width: 1024px) {
            .bottom-tab-nav {
                display: none;
            }
        }
        .bottom-tab-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
            flex: 1;
            text-align: center;
            min-width: 0;
        }
        .bottom-tab-nav a i {
            font-size: 18px;
            transition: color var(--transition-fast);
        }
        .bottom-tab-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .bottom-tab-nav a.active i {
            color: var(--primary);
        }
        .bottom-tab-nav a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-light);
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-list a {
            color: var(--text-secondary);
            text-decoration: none;
        }
        .breadcrumb-list a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb-list .separator {
            color: var(--text-light);
        }
        .breadcrumb-list .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .hero-section {
                min-height: 70vh;
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 59, 107, 0.82) 0%, rgba(15, 41, 72, 0.7) 50%, rgba(229, 91, 60, 0.45) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            max-width: 700px;
            width: 100%;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            animation: pulse-badge 2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }
        .hero-title {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.02em;
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 44px;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 48px;
            }
        }
        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            margin-bottom: var(--spacing-lg);
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (min-width: 768px) {
            .hero-subtitle {
                font-size: 19px;
            }
        }
        .countdown-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            min-width: 64px;
            text-align: center;
            color: #fff;
        }
        .countdown-num {
            font-size: 30px;
            font-weight: 800;
            line-height: 1;
            display: block;
        }
        @media (min-width: 768px) {
            .countdown-num {
                font-size: 38px;
            }
        }
        .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
            display: block;
        }
        .hero-cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            display: inline-block;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: var(--spacing-2xl) 0;
        }
        @media (min-width: 768px) {
            .section-padding {
                padding: var(--spacing-3xl) 0;
            }
        }
        @media (min-width: 1024px) {
            .section-padding {
                padding: var(--spacing-4xl) 0;
            }
        }
        .section-bg-light {
            background: var(--bg-light);
        }
        .section-bg-alt {
            background: var(--bg-alt);
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 30px;
            }
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-xl);
            line-height: 1.6;
            max-width: 600px;
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: var(--spacing-2xl);
            }
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .metric-card .metric-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: var(--spacing-xs);
        }
        .metric-value {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            display: block;
        }
        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
            display: block;
        }
        .metric-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-top: 6px;
        }
        .metric-trend.up {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .metric-trend.stable {
            background: #e3f2fd;
            color: #1565c0;
        }

        /* ========== SERVICE MATRIX (Asymmetric Grid) ========== */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .asymmetric-grid {
                grid-template-columns: 1.4fr 1fr;
                gap: var(--spacing-lg);
            }
        }
        .asymmetric-left {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .asymmetric-right {
            display: flex;
        }
        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .service-card.tall {
            min-height: 100%;
        }
        .service-card .service-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.3;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
            flex-grow: 1;
        }
        .service-card .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }
        .service-card .btn-text:hover {
            gap: 10px;
            text-decoration: none;
            color: var(--primary-hover);
        }
        .service-card .btn-text i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }
        .service-card .btn-text:hover i {
            transform: translateX(3px);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        @media (min-width: 768px) {
            .deep-content-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-2xl);
            }
        }
        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .deep-content-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .deep-content-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--spacing-md);
            line-height: 1.35;
        }
        @media (min-width: 768px) {
            .deep-content-text h2 {
                font-size: 28px;
            }
        }
        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: var(--spacing-md);
        }
        .deep-content-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: var(--spacing-md);
        }
        .deep-content-tags span {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 14px;
            background: var(--bg-light);
            color: var(--primary);
            border: 1px solid var(--border-light);
        }

        /* ========== COMPARISON ========== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            align-items: stretch;
        }
        @media (min-width: 768px) {
            .comparison-wrapper {
                grid-template-columns: 1fr auto 1fr;
            }
        }
        .comparison-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            text-align: center;
        }
        .comparison-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--spacing-md);
        }
        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 900;
            color: var(--accent);
            padding: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .comparison-vs {
                font-size: 36px;
                padding: 0 var(--spacing-sm);
            }
        }
        .comparison-bar-row {
            display: flex;
            flex-direction: column;
            gap: 12px;
            text-align: left;
        }
        .comparison-bar-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .comparison-bar-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            display: flex;
            justify-content: space-between;
        }
        .comparison-bar-track {
            height: 10px;
            background: var(--bg-light);
            border-radius: 5px;
            overflow: hidden;
        }
        .comparison-bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width 0.6s ease;
        }
        .comparison-bar-fill.blue {
            background: var(--primary);
        }
        .comparison-bar-fill.orange {
            background: var(--accent);
        }

        /* ========== TIPS CARDS GRID ========== */
        .tips-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .tips-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-lg);
            }
        }
        .tip-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .tip-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .tip-card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .tip-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .tip-card:hover .tip-card-image img {
            transform: scale(1.04);
        }
        .tip-card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            flex-grow: 1;
            gap: var(--spacing-xs);
        }
        .tip-card-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.35;
        }
        .tip-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
            flex-grow: 1;
        }
        .tip-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-light);
            margin-top: var(--spacing-xs);
        }
        .tip-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 10px;
            background: var(--bg-light);
            color: var(--primary);
        }
        .btn-text-sm {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .btn-text-sm:hover {
            gap: 7px;
            text-decoration: none;
            color: var(--primary-hover);
        }

        /* ========== STEPS / PROCESS ========== */
        .steps-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            counter-reset: step-counter;
        }
        @media (min-width: 640px) {
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .steps-list {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .step-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            position: relative;
            counter-increment: step-counter;
            transition: all var(--transition-normal);
        }
        .step-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .step-item::before {
            content: counter(step-counter);
            position: absolute;
            top: -16px;
            left: var(--spacing-lg);
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            z-index: 2;
        }
        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin: var(--spacing-xs) 0 var(--spacing-xs);
            line-height: 1.3;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 0;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform var(--transition-normal), color var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-question:hover i {
            color: var(--primary);
        }
        .faq-item.open .faq-question {
            color: var(--primary);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 0;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA FORM ========== */
        .cta-form-wrapper {
            max-width: 520px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }
        @media (min-width: 768px) {
            .cta-form-wrapper {
                padding: var(--spacing-2xl);
            }
        }
        .cta-form-wrapper h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            text-align: center;
            margin-bottom: var(--spacing-xs);
        }
        .cta-form-wrapper .cta-form-subtitle {
            font-size: 14px;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        .form-group {
            margin-bottom: var(--spacing-md);
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            font-size: 15px;
            border: 1.5px solid var(--border-color);
            border-radius: var(--radius-xs);
            background: var(--bg-white);
            color: var(--text-main);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
        }
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 59, 107, 0.08);
        }
        .form-group select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%235A5A5A'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        .btn-submit-full {
            display: block;
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .btn-submit-full:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1E2B;
            color: #c5c9d2;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: #c5c9d2;
            text-decoration: none;
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 12px;
            color: #8a8e96;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                gap: 16px;
            }
        }
        .footer-bottom-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-bottom-links a {
            color: #8a8e96;
            text-decoration: none;
            font-size: 12px;
        }
        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== RESPONSIVE OVERRIDES ========== */
        @media (max-width: 639px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .countdown-item {
                padding: 10px 12px;
                min-width: 50px;
            }
            .countdown-num {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }
            .metric-card {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .metric-value {
                font-size: 26px;
            }
            .service-card {
                padding: var(--spacing-md);
            }
            .comparison-wrapper {
                gap: var(--spacing-sm);
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .cta-form-wrapper {
                padding: var(--spacing-lg) var(--spacing-md);
            }
        }
        @media (min-width: 640px) and (max-width: 1023px) {
            .hero-title {
                font-size: 36px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .asymmetric-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            body {
                padding-bottom: 0;
            }
            .bottom-tab-nav {
                display: none;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1A3B6B;
            --primary-hover: #0F2948;
            --primary-light: #2A5290;
            --accent: #E55B3C;
            --accent-hover: #C94A2F;
            --bg-light: #F4F7FC;
            --bg-alt: #F8FAFD;
            --bg-white: #FFFFFF;
            --text-main: #1E1E1E;
            --text-secondary: #5A5A5A;
            --text-light: #8A8A8A;
            --text-white: #FFFFFF;
            --border-color: #E4E8EE;
            --border-light: #EDF1F6;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.16);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --spacing-4xl: 100px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-white);
            min-height: 100vh;
            padding-top: var(--header-height);
            padding-bottom: 0;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), text-decoration var(--transition-fast);
        }

        a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        button {
            cursor: pointer;
            font-family: var(--font-family);
        }

        input,
        select,
        textarea {
            font-family: var(--font-family);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            color: var(--text-main);
        }

        h1 {
            font-size: 36px;
            line-height: 1.2;
        }
        h2 {
            font-size: 28px;
        }
        h3 {
            font-size: 22px;
        }
        h4 {
            font-size: 18px;
        }

        p {
            margin: 0 0 1em;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            height: var(--header-height);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 var(--spacing-xl);
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-link:hover {
            text-decoration: none;
            color: var(--primary-hover);
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 1024px) {
            .desktop-nav {
                display: flex;
            }
        }

        .desktop-nav li {
            margin: 0;
        }

        .desktop-nav a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--bg-light);
            text-decoration: none;
        }

        .desktop-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .desktop-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-cta-btn {
            display: none;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
            flex-shrink: 0;
        }

        @media (min-width: 1024px) {
            .nav-cta-btn {
                display: inline-block;
            }
        }

        .nav-cta-btn:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .hamburger-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        @media (min-width: 1024px) {
            .hamburger-btn {
                display: none;
            }
        }

        .hamburger-btn:hover {
            background: var(--bg-light);
        }

        /* ========== BOTTOM TAB NAV (MOBILE) ========== */
        .bottom-tab-nav {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 4px;
        }

        @media (min-width: 1024px) {
            .bottom-tab-nav {
                display: none;
            }
        }

        .bottom-tab-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
            flex: 1;
            text-align: center;
        }

        .bottom-tab-nav a i {
            font-size: 18px;
            transition: color var(--transition-fast);
        }

        .bottom-tab-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .bottom-tab-nav a.active i {
            color: var(--primary);
        }

        .bottom-tab-nav a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-light);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: var(--text-light);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== BENTO HERO ========== */
        .bento-hero-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg-white);
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .bento-grid {
                grid-template-columns: 1.5fr 1fr;
                grid-template-rows: auto auto;
                gap: var(--spacing-lg);
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .bento-grid {
                grid-template-columns: 2fr 1fr;
                gap: var(--spacing-xl);
                padding: 0 var(--spacing-xl);
            }
        }

        .bento-main {
            background: linear-gradient(135deg, rgba(26, 59, 107, 0.88), rgba(26, 59, 107, 0.75)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl) var(--spacing-xl);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 320px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            grid-row: span 2;
        }

        @media (min-width: 768px) {
            .bento-main {
                min-height: 400px;
                padding: var(--spacing-3xl) var(--spacing-2xl);
            }
        }

        .bento-main .bento-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
            width: fit-content;
            letter-spacing: 0.02em;
        }

        .bento-main h1 {
            font-size: 32px;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .bento-main h1 {
                font-size: 40px;
            }
        }

        .bento-main .bento-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.6;
            margin-bottom: var(--spacing-lg);
            max-width: 560px;
        }

        .bento-main .bento-cta-row {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-fast);
            text-align: center;
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        .bento-mini-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--border-light);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }

        .bento-mini-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            text-decoration: none;
            color: inherit;
            border-color: var(--primary);
        }

        .bento-mini-card .mini-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .bento-mini-card .mini-info h3 {
            font-size: 16px;
            margin: 0 0 4px;
            color: var(--text-main);
            font-weight: 600;
        }

        .bento-mini-card .mini-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.4;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-light);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .metrics-grid {
                padding: 0 var(--spacing-xl);
            }
        }

        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .metric-card .metric-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.02em;
        }

        .metric-card .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: var(--spacing-xs);
        }

        .metric-card .metric-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: #E8F5E9;
            color: #2E7D32;
        }

        .metric-card .metric-trend.down {
            background: #FFEBEE;
            color: #C62828;
        }

        .metric-card .trend-line {
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin-top: var(--spacing-xs);
            width: 60%;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.5;
        }

        /* ========== SECTION TITLE ========== */
        .section-title-block {
            text-align: center;
            margin-bottom: var(--spacing-xl);
            padding: 0 var(--spacing-md);
        }

        .section-title-block h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--spacing-xs);
            letter-spacing: -0.01em;
        }

        .section-title-block .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== EQUIPMENT CATEGORY MATRIX ========== */
        .equip-category-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg-white);
        }

        .equip-category-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .equip-category-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .equip-category-grid {
                grid-template-columns: 1.6fr 1fr;
                gap: var(--spacing-xl);
                padding: 0 var(--spacing-xl);
            }
        }

        .equip-cat-large {
            background: var(--bg-alt);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            transition: all var(--transition-normal);
            text-decoration: none;
            color: inherit;
            position: relative;
            overflow: hidden;
        }

        .equip-cat-large:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            text-decoration: none;
            color: inherit;
            border-color: var(--primary);
        }

        .equip-cat-large .cat-img-wrap {
            width: 100%;
            height: 200px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #ddd;
        }

        .equip-cat-large .cat-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .equip-cat-large h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
            color: var(--text-main);
        }

        .equip-cat-large p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .equip-cat-large .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            width: fit-content;
            transition: gap var(--transition-fast);
        }

        .equip-cat-large .cat-link:hover {
            gap: 10px;
            text-decoration: none;
            color: var(--primary-hover);
        }

        .equip-cat-stack {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .equip-cat-small {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            transition: all var(--transition-normal);
            text-decoration: none;
            color: inherit;
            flex: 1;
        }

        .equip-cat-small:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            text-decoration: none;
            color: inherit;
            border-color: var(--primary);
        }

        .equip-cat-small .cat-icon-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .equip-cat-small .cat-text h4 {
            font-size: 15px;
            margin: 0 0 2px;
            font-weight: 600;
            color: var(--text-main);
        }

        .equip-cat-small .cat-text span {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ========== MAIN CONTENT WITH SIDEBAR ========== */
        .main-content-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg-light);
        }

        .content-with-sidebar {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-xl);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .content-with-sidebar {
                grid-template-columns: 1fr 320px;
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .content-with-sidebar {
                grid-template-columns: 1fr 340px;
                padding: 0 var(--spacing-xl);
            }
        }

        /* Article list */
        .article-list-block h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: var(--spacing-lg);
            color: var(--text-main);
        }

        .article-item {
            display: flex;
            gap: var(--spacing-md);
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            flex-direction: column;
        }

        @media (min-width: 640px) {
            .article-item {
                flex-direction: row;
                padding: var(--spacing-lg);
            }
        }

        .article-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-color);
            transform: translateY(-2px);
        }

        .article-thumb {
            width: 100%;
            height: 180px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #e8e8e8;
        }

        @media (min-width: 640px) {
            .article-thumb {
                width: 200px;
                height: 140px;
            }
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-info .article-date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 4px;
        }

        .article-info h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-main);
            line-height: 1.4;
        }

        .article-info h3 a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .article-info h3 a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .article-info .article-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-xs);
        }

        .article-tags .tag {
            display: inline-block;
            font-size: 11px;
            padding: 3px 10px;
            background: var(--bg-light);
            color: var(--primary);
            border-radius: 12px;
            font-weight: 500;
            white-space: nowrap;
        }

        .article-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            width: fit-content;
            transition: gap var(--transition-fast);
        }

        .article-read-more:hover {
            gap: 8px;
            color: var(--primary-hover);
            text-decoration: none;
        }

        /* Pagination */
        .pagination-row {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .pagination-row a,
        .pagination-row span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            color: var(--text-main);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .pagination-row a:hover {
            background: var(--bg-light);
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
        }

        .pagination-row .current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }

        .sidebar-widget {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--text-main);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }

        .sidebar-widget .hot-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }

        .sidebar-widget .hot-list li:last-child {
            border-bottom: none;
        }

        .sidebar-widget .hot-list a {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition-fast);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .sidebar-widget .hot-list a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .sidebar-widget .hot-list .hot-rank {
            font-weight: 800;
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
            width: 22px;
            text-align: center;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag-pill {
            display: inline-block;
            padding: 6px 14px;
            font-size: 12px;
            background: var(--bg-light);
            color: var(--text-secondary);
            border-radius: 20px;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .tag-cloud .tag-pill:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
            border-color: var(--primary);
        }

        .sidebar-subscribe-form input[type="email"] {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xs);
            font-size: 14px;
            margin-bottom: var(--spacing-sm);
            transition: border-color var(--transition-fast);
        }

        .sidebar-subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 59, 107, 0.08);
        }

        .sidebar-subscribe-form .btn-subscribe {
            width: 100%;
            padding: 10px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-xs);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .sidebar-subscribe-form .btn-subscribe:hover {
            background: var(--primary-hover);
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg-alt);
        }

        .comparison-wrapper {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .comparison-wrapper {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .comparison-wrapper {
                padding: 0 var(--spacing-xl);
            }
        }

        .comparison-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        @media (min-width: 768px) {
            .comparison-cards {
                grid-template-columns: 1fr auto 1fr;
            }
        }

        .comp-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            text-align: center;
        }

        .comp-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: var(--spacing-lg);
            color: var(--text-main);
        }

        .comp-card .comp-bar-group {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
        }

        .comp-bar-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--text-secondary);
        }

        .comp-bar-item .bar-label {
            width: 60px;
            text-align: right;
            flex-shrink: 0;
            font-weight: 500;
        }

        .comp-bar-item .bar-track {
            flex: 1;
            height: 10px;
            background: var(--bg-light);
            border-radius: 5px;
            overflow: hidden;
        }

        .comp-bar-item .bar-fill {
            height: 100%;
            border-radius: 5px;
            background: var(--primary);
            transition: width 0.6s ease;
        }

        .comp-bar-item .bar-fill.accent {
            background: var(--accent);
        }

        .comp-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 900;
            color: var(--accent);
            padding: var(--spacing-md);
        }

        @media (max-width: 767px) {
            .comp-vs {
                font-size: 22px;
                padding: var(--spacing-sm);
            }
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg-white);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .faq-wrapper {
                padding: 0 var(--spacing-lg);
            }
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: var(--bg-white);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: var(--spacing-lg);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--bg-white);
            border: none;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background var(--transition-fast);
            gap: var(--spacing-md);
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--primary);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-lg);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 var(--spacing-lg) var(--spacing-lg);
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: var(--spacing-3xl) 0;
            background: var(--bg-light);
        }

        .cta-inner {
            max-width: 560px;
            margin: 0 auto;
            text-align: center;
            padding: 0 var(--spacing-md);
        }

        .cta-inner h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: var(--spacing-sm);
        }

        .cta-inner p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 440px;
            margin: 0 auto;
        }

        @media (min-width: 640px) {
            .cta-form {
                flex-direction: row;
            }
        }

        .cta-form input[type="email"] {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: border-color var(--transition-fast);
        }

        .cta-form input[type="email"]:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 59, 107, 0.08);
        }

        .cta-form select {
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 15px;
            background: #fff;
            transition: border-color var(--transition-fast);
            min-width: 140px;
        }

        .cta-form select:focus {
            outline: none;
            border-color: var(--primary);
        }

        .cta-form .btn-submit {
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1E2B;
            color: #B0B5C0;
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            font-size: 14px;
        }

        .site-footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .site-footer .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .site-footer .container {
                padding: 0 var(--spacing-xl);
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #B0B5C0;
            text-decoration: none;
            font-size: 13px;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-lg);
            text-align: center;
            font-size: 12px;
            color: #8A8F9A;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                gap: var(--spacing-md);
            }
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-bottom-links a {
            color: #8A8F9A;
            text-decoration: none;
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== RESPONSIVE ADJUSTMENTS ========== */
        @media (max-width: 639px) {
            body {
                padding-bottom: var(--bottom-tab-height);
            }

            h1 {
                font-size: 26px;
            }
            h2 {
                font-size: 22px;
            }
            h3 {
                font-size: 18px;
            }

            .bento-main {
                min-height: 260px;
                padding: var(--spacing-xl) var(--spacing-lg);
            }

            .bento-main h1 {
                font-size: 24px;
            }

            .bento-main .bento-desc {
                font-size: 14px;
            }

            .btn-primary,
            .btn-outline-light {
                padding: 10px 20px;
                font-size: 13px;
            }

            .metric-card .metric-number {
                font-size: 28px;
            }

            .comp-card {
                padding: var(--spacing-lg);
            }

            .cta-inner h2 {
                font-size: 22px;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            body {
                padding-bottom: var(--bottom-tab-height);
            }

            .bento-main h1 {
                font-size: 30px;
            }
        }