/* roulang page: index */
:root {
            --brand-primary: #e63946;
            --brand-primary-dark: #c62838;
            --brand-secondary: #1d3557;
            --brand-accent: #f4a261;
            --brand-success: #2a9d8f;
            --brand-warning: #e9c46a;
            --bg-page: #f5f6f8;
            --bg-surface: #ffffff;
            --bg-dark: #1a1f2e;
            --bg-card-hover: #fef9f5;
            --text-primary: #1a1f2e;
            --text-secondary: #5a6070;
            --text-muted: #8b919e;
            --text-inverse: #ffffff;
            --border-light: #e8ecf1;
            --border-medium: #d5dbe3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --spacing-3xl: 96px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1240px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }
        p {
            margin-bottom: 0;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(255, 255, 255, 0.97);
        }
        .nav-card-panel {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            padding: 10px 0;
        }
        .nav-logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--brand-secondary);
            white-space: nowrap;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }
        .nav-logo-link:hover {
            color: var(--brand-primary);
            background: rgba(230, 57, 70, 0.05);
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--brand-primary), #c0392b);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-category-cards {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            margin-left: auto;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-page);
            border: 1.5px solid transparent;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .nav-cat-chip:hover {
            color: var(--brand-primary);
            background: #fff;
            border-color: var(--brand-primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .nav-cat-chip.active {
            color: #fff;
            background: var(--brand-primary);
            border-color: var(--brand-primary);
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.3);
        }
        .nav-cat-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: currentColor;
            opacity: 0.5;
            flex-shrink: 0;
        }
        .nav-cat-chip.active .chip-dot {
            opacity: 1;
            background: #fff;
        }
        .nav-cta-btn {
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 700;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.3);
            letter-spacing: 0.4px;
            margin-left: 4px;
        }
        .nav-cta-btn:hover {
            background: var(--brand-primary-dark);
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1.5px solid var(--border-medium);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 1.3rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: #fff;
            box-shadow: var(--shadow-xl);
            z-index: 1060;
            padding: var(--spacing-lg) var(--spacing-md);
            flex-direction: column;
            gap: var(--spacing-sm);
            transition: right var(--transition-slow);
            overflow-y: auto;
        }
        .mobile-nav-drawer.open {
            right: 0;
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1055;
        }
        .mobile-nav-overlay.open {
            display: block;
        }
        .mobile-nav-drawer .nav-cat-chip {
            display: flex;
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            border: 1px solid var(--border-light);
            background: #fff;
        }
        .mobile-nav-drawer .nav-cat-chip.active {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .drawer-close-btn {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-muted);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .drawer-close-btn:hover {
            color: var(--brand-primary);
            background: rgba(230, 57, 70, 0.06);
        }
        @media (max-width: 1023px) {
            .nav-category-cards {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
                align-items: center;
                gap: 4px;
                margin-left: auto;
            }
            .mobile-nav-drawer {
                display: flex;
            }
            .nav-card-panel {
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .nav-logo-link {
                font-size: 1.1rem;
                gap: 4px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #1a1f2e 0%, #1d3557 40%, #2c3e50 100%);
            overflow: hidden;
            padding: var(--spacing-2xl) 0;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.22;
            pointer-events: none;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(230, 57, 70, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(244, 162, 97, 0.18) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.8px;
            margin-bottom: var(--spacing-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-sm);
            line-height: 1.25;
        }
        .hero-title .accent {
            color: var(--brand-accent);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
            max-width: 560px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-hero-primary {
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.45);
            transition: all var(--transition-normal);
            letter-spacing: 0.5px;
        }
        .btn-hero-primary:hover {
            background: #fff;
            color: var(--brand-primary);
            box-shadow: 0 8px 28px rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }
        .btn-hero-outline {
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.55);
            transition: all var(--transition-normal);
            letter-spacing: 0.5px;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-stat-item {
            text-align: center;
            min-width: 70px;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 1px;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: var(--spacing-xl) 0;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: var(--spacing-sm);
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .hero-stats-row {
                justify-content: center;
            }
            .hero-stat-item {
                min-width: 55px;
            }
            .hero-stat-num {
                font-size: 1.2rem;
            }
        }

        /* ========== SECTIONS ========== */
        .section-padding {
            padding: var(--spacing-2xl) 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: var(--spacing-xl) 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--brand-primary);
            margin-bottom: var(--spacing-xs);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ========== DATA DASHBOARD ========== */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-sm);
        }
        .dashboard-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .dashboard-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .dashboard-card .dash-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.3rem;
        }
        .dash-icon.red {
            background: #fde8ea;
            color: #e63946;
        }
        .dash-icon.blue {
            background: #e3ecf6;
            color: #1d3557;
        }
        .dash-icon.green {
            background: #e0f2ef;
            color: #2a9d8f;
        }
        .dash-icon.orange {
            background: #fef3e7;
            color: #f4a261;
        }
        .dashboard-card .dash-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .dashboard-card .dash-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .dashboard-card .dash-trend {
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 6px;
        }
        .dash-trend.up {
            color: #2a9d8f;
        }
        .dash-trend.down {
            color: #e63946;
        }
        @media (max-width: 768px) {
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .dashboard-card {
                padding: var(--spacing-sm);
            }
            .dashboard-card .dash-value {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .dashboard-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .dashboard-card .dash-value {
                font-size: 1.3rem;
            }
            .dashboard-card .dash-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
        }
        .category-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .category-card .cat-card-img-wrap {
            position: relative;
            width: 100%;
            height: 180px;
            overflow: hidden;
        }
        .category-card .cat-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .cat-card-img {
            transform: scale(1.06);
        }
        .category-card .cat-card-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 50%);
            pointer-events: none;
        }
        .category-card .cat-card-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .category-card .cat-card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: #fde8ea;
            color: #e63946;
            letter-spacing: 0.5px;
            width: fit-content;
        }
        .category-card .cat-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
        }
        .category-card .cat-card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .category-card .cat-card-link {
            margin-top: auto;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .category-card:hover .cat-card-link {
            gap: 8px;
        }
        @media (max-width: 1023px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card .cat-card-img-wrap {
                height: 150px;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-list-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
        }
        .news-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .news-thumb {
            width: 100px;
            height: 75px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }
        .news-title-link {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            display: block;
            margin: 4px 0;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .news-title-link:hover {
            color: var(--brand-primary);
        }
        .news-excerpt {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-more {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 3px;
            margin-top: 6px;
            transition: gap var(--transition-fast);
        }
        .news-item:hover .news-more {
            gap: 6px;
        }
        @media (max-width: 768px) {
            .news-list-block {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .news-item {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
        }
        .feature-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .feature-card .feat-icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.5rem;
            background: linear-gradient(135deg, #fde8ea, #fef3e7);
            color: var(--brand-primary);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== TREND / DEEP BLOCK ========== */
        .deep-block {
            background: var(--bg-surface);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        .deep-block-img {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .deep-block-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        .deep-block-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        .deep-block-content .deep-list {
            list-style: none;
            padding: 0;
        }
        .deep-block-content .deep-list li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .deep-block-content .deep-list li::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-primary);
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .deep-block {
                grid-template-columns: 1fr;
                padding: var(--spacing-md);
            }
            .deep-block-content h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 16px 20px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--brand-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-page);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            color: var(--text-muted);
        }
        .faq-item.open .faq-icon {
            background: var(--brand-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, #1d3557 0%, #2c3e50 60%, #1a1f2e 100%);
            border-radius: var(--radius-xl);
            overflow: hidden;
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-section .cta-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: var(--spacing-md);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-lg {
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.5);
            transition: all var(--transition-normal);
            letter-spacing: 0.5px;
            cursor: pointer;
        }
        .btn-cta-lg:hover {
            background: #fff;
            color: var(--brand-primary);
            box-shadow: 0 8px 28px rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: var(--spacing-lg) var(--spacing-sm);
                border-radius: var(--radius-lg);
            }
            .cta-content h2 {
                font-size: 1.35rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            font-size: 0.85rem;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .footer-desc {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 4px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: var(--spacing-sm);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.25);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
        }

        /* ========== BACK TO TOP ========== */
        .back-to-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            z-index: 1040;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            border: none;
            box-shadow: var(--shadow-lg);
            font-size: 1.1rem;
            cursor: pointer;
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition-normal);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-to-top:hover {
            background: var(--brand-primary-dark);
            transform: translateY(-3px);
        }

/* roulang page: category1 */
:root {
            --primary: #1a6fb5;
            --primary-dark: #125488;
            --primary-light: #e8f2fa;
            --accent: #e85d3a;
            --accent-light: #fef0ec;
            --bg: #f5f6f8;
            --surface: #ffffff;
            --surface-alt: #f0f3f7;
            --text: #1d1f24;
            --text-secondary: #5a5f6b;
            --text-weak: #8b909e;
            --border: #e2e6ed;
            --border-light: #eef1f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition: 0.22s ease;
            --font-stack: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header & Nav Card Panel ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
        }
        .nav-card-panel {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 10px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            flex-wrap: nowrap;
            transition: all var(--transition);
        }
        .nav-logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition);
        }
        .nav-logo-link:hover {
            color: var(--primary);
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .nav-category-cards {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: transparent transparent;
            padding: 4px 0;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .nav-category-cards::-webkit-scrollbar {
            height: 4px;
        }
        .nav-category-cards::-webkit-scrollbar-thumb {
            background: #d0d5de;
            border-radius: 4px;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--surface-alt);
            border: 1px solid transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            cursor: pointer;
        }
        .nav-cat-chip:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .nav-cat-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(26, 111, 181, 0.3);
            font-weight: 600;
        }
        .nav-cat-chip.active .chip-dot {
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.35);
        }
        .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .nav-cat-chip.active .chip-dot {
            background: #fff;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            white-space: nowrap;
            flex-shrink: 0;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(232, 93, 58, 0.3);
        }
        .nav-cta-btn:hover {
            background: #d14a2c;
            color: #fff;
            box-shadow: 0 4px 18px rgba(232, 93, 58, 0.45);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            display: none;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
            color: var(--text);
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 280px;
            display: flex;
            align-items: center;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin: 28px 0 40px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 111, 181, 0.88) 0%, rgba(18, 84, 136, 0.94) 60%, rgba(10, 50, 80, 0.96) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: 40px 36px;
            max-width: 720px;
        }
        .page-banner-badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.4rem;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }
        .page-banner p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Section Common ===== */
        .section-block {
            margin-bottom: 48px;
        }
        .section-title {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            letter-spacing: -0.2px;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0 0 28px;
        }

        /* ===== Cards Grid ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        .info-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .info-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .info-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: var(--primary-light);
            color: var(--primary);
            flex-shrink: 0;
        }
        .info-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }
        .info-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .info-card .card-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent);
            align-self: flex-start;
        }

        /* ===== League Coverage ===== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 14px;
        }
        .league-chip {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 16px;
            border-radius: var(--radius);
            background: var(--surface);
            border: 1px solid var(--border-light);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            cursor: default;
        }
        .league-chip:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            box-shadow: var(--shadow);
        }
        .league-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .league-dot.premier {
            background: #3d195b;
        }
        .league-dot.laliga {
            background: #e0243d;
        }
        .league-dot.seriea {
            background: #0a4d8c;
        }
        .league-dot.bundesliga {
            background: #d9202c;
        }
        .league-dot.ligue1 {
            background: #1a3f8c;
        }
        .league-dot.csl {
            background: #e8342d;
        }
        .league-dot.eredivisie {
            background: #f28c18;
        }
        .league-dot.other {
            background: #5a6b80;
        }

        /* ===== Content List ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .content-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            border-radius: var(--radius);
            background: var(--surface);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .content-list-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .content-list-date {
            font-size: 0.8rem;
            color: var(--text-weak);
            white-space: nowrap;
            padding-top: 2px;
            flex-shrink: 0;
            min-width: 80px;
        }
        .content-list-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 4px;
        }
        .content-list-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0 0 8px;
            line-height: 1.55;
        }
        .content-list-body .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition);
        }
        .content-list-body .read-more:hover {
            color: var(--primary-dark);
        }

        /* ===== Data Stats Row ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--surface-alt);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            font-size: 1rem;
            margin: 0 0 22px;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }
        .cta-btn-lg {
            display: inline-block;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: #fff;
            color: var(--primary);
            border: none;
            cursor: pointer;
            position: relative;
            z-index: 1;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .cta-btn-lg:hover {
            background: #f0f4f8;
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1a1d23;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 28px;
            margin-top: 48px;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
            cursor: default;
        }
        .footer-col ul li a:hover {
            color: #fff;
            cursor: pointer;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 10px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            align-items: center;
            justify-content: center;
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom span {
            cursor: default;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-card-panel {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 16px;
            }
            .nav-category-cards {
                order: 3;
                width: 100%;
                flex: auto;
                overflow-x: auto;
                gap: 6px;
            }
            .nav-cta-btn {
                order: 2;
                margin-left: auto;
            }
            .navbar-toggler-custom {
                display: flex;
                order: 2;
                margin-left: auto;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner {
                min-height: 220px;
                border-radius: var(--radius-lg);
            }
        }
        @media (max-width: 768px) {
            .nav-card-panel {
                padding: 10px 12px;
                border-radius: var(--radius);
            }
            .nav-logo-link {
                font-size: 1rem;
            }
            .nav-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
            }
            .nav-cat-chip {
                padding: 6px 10px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .nav-cta-btn {
                padding: 7px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .league-grid {
                grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
                gap: 10px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-banner {
                min-height: 200px;
                border-radius: var(--radius);
                margin: 16px 0 28px;
            }
            .page-banner-content {
                padding: 24px 20px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cta-block {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-block h2 {
                font-size: 1.3rem;
            }
            .content-list-item {
                flex-direction: column;
                gap: 8px;
            }
            .container-custom {
                padding: 0 12px;
            }
        }
        @media (max-width: 520px) {
            .nav-card-panel {
                padding: 8px 10px;
                gap: 6px;
                border-radius: var(--radius-sm);
            }
            .nav-logo-link {
                font-size: 0.9rem;
                gap: 5px;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.7rem;
                border-radius: 6px;
            }
            .nav-cat-chip {
                padding: 5px 8px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.75rem;
                border-radius: 14px;
            }
            .navbar-toggler-custom {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .page-banner {
                min-height: 170px;
                border-radius: var(--radius-sm);
            }
            .page-banner h1 {
                font-size: 1.25rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-number {
                font-size: 1.3rem;
            }
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .league-chip {
                padding: 10px 12px;
                font-size: 0.82rem;
                gap: 6px;
            }
            .footer-bottom {
                font-size: 0.72rem;
                gap: 4px 6px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a5fdc;
            --primary-dark: #1449b0;
            --primary-light: #e8f0ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 8px 28px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.09), 0 16px 48px rgba(0, 0, 0, 0.05);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-body);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

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

        a {
            text-decoration: none;
            transition: color var(--transition);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: inherit;
        }

        /* ========== 容器 ========== */
        .container-custom {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== Header / 导航面板 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-card-panel {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 10px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .nav-logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text);
            white-space: nowrap;
            transition: opacity var(--transition);
            flex-shrink: 0;
        }
        .nav-logo-link:hover {
            opacity: 0.8;
            color: var(--text);
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .nav-category-cards {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            min-width: 0;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 13px;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-cat-chip:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-color: rgba(26, 95, 220, 0.2);
        }
        .nav-cat-chip.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.3);
        }
        .nav-cat-chip .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            opacity: 0.6;
            flex-shrink: 0;
        }
        .nav-cat-chip.active .chip-dot {
            background: #fff;
            opacity: 1;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 22px;
            font-size: 0.875rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
        }
        .nav-cta-btn:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            display: none;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text);
            background: var(--border-light);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
        }
        .navbar-toggler-custom:hover {
            background: var(--border);
        }

        /* ========== 板块间距 ========== */
        .section {
            padding: 54px 0;
        }
        .section-sm {
            padding: 38px 0;
        }
        .section-lg {
            padding: 70px 0;
        }

        /* ========== Banner ========== */
        .page-banner {
            position: relative;
            background: var(--bg-dark);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.7) 40%, rgba(26, 95, 220, 0.35) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            opacity: 0.85;
            max-width: 600px;
            line-height: 1.7;
        }

        /* ========== 统计数字 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1;
            margin-bottom: 4px;
            font-family: var(--font-heading);
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== 卡片通用 ========== */
        .card-custom {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8ecf1;
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-custom .card-body-custom {
            padding: 18px 16px;
        }
        .card-custom .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .card-custom .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
            font-family: var(--font-heading);
        }
        .card-custom .card-desc {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== 数据列表 ========== */
        .data-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px;
            border-radius: var(--radius);
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            margin-bottom: 10px;
        }
        .data-list-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .data-list-item .data-index {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .data-list-item .data-info h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 3px;
        }
        .data-list-item .data-info p {
            font-size: 0.83rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .data-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 2px;
        }

        /* ========== 分析工具卡片网格 ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .tool-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .tool-card .tool-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 14px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .tool-card h5 {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .tool-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 深度内容区 ========== */
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: start;
        }
        .deep-text-block h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--text);
            margin-bottom: 10px;
        }
        .deep-text-block p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .deep-text-block .highlight-num {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-right: 4px;
        }

        /* ========== FAQ ========== */
        .faq-wrap .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
        }
        .faq-wrap .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            background: var(--bg-card);
            box-shadow: none;
            border-radius: var(--radius) !important;
            padding: 16px 18px;
            transition: all var(--transition);
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 95, 220, 0.15);
            border-color: var(--primary);
        }
        .faq-wrap .accordion-body {
            padding: 16px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #fdfdfd;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26, 95, 220, 0.3) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.15) 0%, transparent 50%);
            pointer-events: none;
            z-index: 1;
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }
        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-section p {
            opacity: 0.8;
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 22px;
            line-height: 1.6;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 28px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--accent);
            color: #fff;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        .btn-cta:hover {
            background: #e8960a;
            color: #fff;
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 28px;
            margin-top: 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .footer-desc {
            font-size: 0.85rem;
            opacity: 0.7;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
            font-size: 0.83rem;
            opacity: 0.7;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            font-size: 0.78rem;
            opacity: 0.7;
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 4px;
            align-items: center;
        }
        .footer-bottom .sep {
            opacity: 0.4;
            margin: 0 4px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -28px;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .nav-category-cards {
                gap: 3px;
            }
            .nav-cat-chip {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-card-panel {
                flex-wrap: wrap;
                gap: 8px;
                padding: 10px 14px;
            }
            .nav-category-cards {
                order: 3;
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                gap: 4px;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }
            .nav-category-cards::-webkit-scrollbar {
                height: 0;
            }
            .navbar-toggler-custom {
                display: inline-flex;
                order: 2;
            }
            .nav-cta-btn {
                order: 1;
            }
            .nav-cat-chip {
                flex-shrink: 0;
            }
            .page-banner {
                padding: 50px 0;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                margin-top: -24px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section {
                padding: 36px 0;
            }
            .section-lg {
                padding: 44px 0;
            }
            .cta-section {
                padding: 32px 18px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 2px;
                font-size: 0.75rem;
            }
            .deep-content-grid {
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .nav-card-panel {
                padding: 8px 10px;
                border-radius: var(--radius);
            }
            .nav-logo-link {
                font-size: 1rem;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.7rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                margin-top: -20px;
            }
            .stat-card {
                padding: 10px 8px;
                border-radius: var(--radius);
            }
            .stat-card .stat-value {
                font-size: 1.3rem;
            }
            .stat-card .stat-label {
                font-size: 0.75rem;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .card-custom .card-body-custom {
                padding: 12px 10px;
            }
            .card-custom .card-title {
                font-size: 0.9rem;
            }
            .faq-wrap .accordion-button {
                font-size: 0.85rem;
                padding: 12px 14px;
            }
            .btn-cta {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a56db;
            --color-primary-dark: #1340a8;
            --color-primary-light: #3b82f6;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0f172a;
            --color-bg-card: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-muted: #94a3b8;
            --color-text-light: #cbd5e1;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --color-warning: #f59e0b;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.09), 0 4px 8px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.04);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 72px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        *,
        *::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-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container-custom {
                max-width: 1280px;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            padding: 0;
            transition: box-shadow var(--transition-normal);
        }

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

        .nav-card-panel {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: 10px 0;
            flex-wrap: nowrap;
            position: relative;
        }

        .nav-logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-text);
            white-space: nowrap;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .nav-logo-link:hover {
            color: var(--color-primary);
            transform: scale(1.03);
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 800;
            font-size: 0.85rem;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-category-cards {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 0 8px;
        }

        .nav-category-cards::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1.5px solid transparent;
            flex-shrink: 0;
        }

        .nav-cat-chip:hover {
            background: var(--color-border-light);
            color: var(--color-text);
            border-color: var(--color-border);
        }

        .nav-cat-chip.active {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.25);
            font-weight: 600;
        }

        .nav-cat-chip.active .chip-dot {
            background: #ffffff;
        }

        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-text-muted);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .nav-cat-chip:hover .chip-dot {
            background: var(--color-primary);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #1a1a1a;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            border: none;
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-dark);
            color: #1a1a1a;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .navbar-toggler-custom {
            display: none;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-border-light);
            border: 1px solid var(--color-border);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: var(--color-border);
        }

        /* ========== INNER HERO ========== */
        .inner-hero {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #1a3a6b 70%, #0f172a 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 0 60px;
            color: #ffffff;
            overflow: hidden;
        }

        .inner-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.65);
            z-index: 1;
        }

        .inner-hero>.container-custom {
            position: relative;
            z-index: 2;
        }

        .inner-hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .inner-hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }

        .inner-hero-breadcrumb a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        .inner-hero-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .inner-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .inner-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            line-height: 1.7;
        }

        .inner-hero .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .hero-badge-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

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

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

        .section-dark {
            background: var(--color-bg-dark);
            color: #ffffff;
        }

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

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .section-header .section-desc {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header h2 {
            color: #ffffff;
        }

        .section-dark .section-header .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .card-custom .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-custom p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .card-custom .card-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 14px;
        }

        .card-tag-sm {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--color-border-light);
            color: var(--color-text-secondary);
        }

        .icon-blue {
            background: #eff6ff;
            color: var(--color-primary);
        }

        .icon-amber {
            background: #fffbeb;
            color: var(--color-accent-dark);
        }

        .icon-green {
            background: #ecfdf5;
            color: var(--color-success);
        }

        .icon-red {
            background: #fef2f2;
            color: var(--color-danger);
        }

        /* ========== DATA HIGHLIGHT ROW ========== */
        .data-highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-highlight-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }

        .data-highlight-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .data-highlight-item .data-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1.1;
        }

        .data-highlight-item .data-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
        }

        .data-highlight-item .data-trend {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 6px;
            padding: 2px 8px;
            border-radius: var(--radius-full);
        }

        .trend-up {
            background: #ecfdf5;
            color: #059669;
        }

        .trend-down {
            background: #fef2f2;
            color: #dc2626;
        }

        .trend-stable {
            background: #f8fafc;
            color: #64748b;
        }

        /* ========== ANALYSIS TABLE ========== */
        .analysis-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            background: var(--color-bg-card);
        }

        .analysis-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .analysis-table thead th {
            background: #f8fafc;
            padding: 14px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            border-bottom: 2px solid var(--color-border);
            white-space: nowrap;
        }

        .analysis-table tbody td {
            padding: 13px 16px;
            font-size: 0.9rem;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
            white-space: nowrap;
        }

        .analysis-table tbody tr:hover {
            background: #f8fafc;
        }

        .analysis-table tbody tr:last-child td {
            border-bottom: none;
        }

        .badge-change {
            display: inline-block;
            padding: 3px 9px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
        }

        .badge-rise {
            background: #fef2f2;
            color: #dc2626;
        }

        .badge-fall {
            background: #ecfdf5;
            color: #059669;
        }

        .badge-hold {
            background: #f8fafc;
            color: #64748b;
        }

        /* ========== METHOD STEPS ========== */
        .method-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .method-step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }

        .method-step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
        }

        .method-step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .method-step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .method-step-content p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-primary-light);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            transition: color var(--transition-fast);
            user-select: none;
        }

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

        .faq-question .faq-icon {
            transition: transform var(--transition-normal);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
        }

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

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

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

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 22px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-white {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            background: #ffffff;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            border: none;
        }

        .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
            color: var(--color-primary-dark);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .footer-col ul li {
            margin-bottom: 7px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            line-height: 2;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 4px;
            align-items: center;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 4px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a:hover {
            color: rgba(255, 255, 255, 0.8);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-category-cards {
                gap: 2px;
                justify-content: flex-start;
            }

            .nav-cat-chip {
                padding: 7px 10px;
                font-size: 0.8rem;
                gap: 4px;
            }

            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .nav-logo-link {
                font-size: 1rem;
            }

            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.75rem;
            }

            .data-highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .inner-hero h1 {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .nav-category-cards {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 12px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                z-index: 1049;
            }

            .nav-category-cards.show {
                display: flex;
            }

            .nav-cat-chip {
                width: 100%;
                text-align: left;
                border-radius: var(--radius-sm);
                padding: 10px 14px;
                justify-content: flex-start;
            }

            .navbar-toggler-custom {
                display: flex;
            }

            .nav-cta-btn {
                display: none;
            }

            .nav-card-panel {
                flex-wrap: wrap;
                justify-content: space-between;
            }

            .data-highlight-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .inner-hero {
                padding: 40px 0 36px;
            }

            .inner-hero h1 {
                font-size: 1.55rem;
            }

            .inner-hero .hero-subtitle {
                font-size: 0.9rem;
            }

            .section {
                padding: var(--spacing-lg) 0;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }

            .method-step-item {
                flex-direction: column;
                gap: 10px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 2px;
                text-align: center;
            }

            .footer-bottom .sep {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .inner-hero h1 {
                font-size: 1.3rem;
            }

            .data-highlight-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .data-highlight-item .data-value {
                font-size: 1.5rem;
            }

            .card-custom {
                padding: 18px 14px;
            }

            .card-custom h3 {
                font-size: 1rem;
            }

            .analysis-table thead th,
            .analysis-table tbody td {
                padding: 10px 10px;
                font-size: 0.78rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }

            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a5fdc;
            --primary-dark: #1349b0;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --bg: #f4f6fa;
            --surface: #ffffff;
            --surface-alt: #f8fafc;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-weak: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
        }

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

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            transition: box-shadow var(--transition);
        }

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

        .nav-card-panel {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 8px 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            flex-wrap: nowrap;
            position: relative;
        }

        .nav-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: opacity var(--transition);
        }

        .nav-logo-link:hover {
            opacity: 0.85;
            color: var(--primary-dark);
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 800;
            font-size: 0.85rem;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-category-cards {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 4px 0;
        }

        .nav-category-cards::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition);
            flex-shrink: 0;
            text-decoration: none;
            border: 1px solid transparent;
        }

        .nav-cat-chip:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: rgba(26, 95, 220, 0.2);
        }

        .nav-cat-chip.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(26, 95, 220, 0.3);
        }

        .nav-cat-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: currentColor;
            opacity: 0.6;
            flex-shrink: 0;
        }

        .nav-cat-chip.active .chip-dot {
            opacity: 1;
            background: #fff;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--accent);
            color: #1e293b;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            transition: all var(--transition);
            border: none;
        }

        .nav-cta-btn:hover {
            background: #e8900b;
            color: #1e293b;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .navbar-toggler-custom {
            display: none;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            color: var(--text);
            cursor: pointer;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .navbar-toggler-custom:hover {
            background: var(--bg);
            border-color: var(--primary);
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .nav-category-cards {
                gap: 3px;
            }
            .nav-cat-chip {
                padding: 7px 10px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-cat-chip .chip-dot {
                width: 5px;
                height: 5px;
            }
            .nav-cta-btn {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .nav-logo-link {
                font-size: 1rem;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 768px) {
            .nav-card-panel {
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px 12px;
            }
            .nav-category-cards {
                order: 3;
                flex: 0 0 100%;
                justify-content: flex-start;
                gap: 6px;
                padding: 4px 0;
            }
            .nav-cta-btn {
                order: 2;
                margin-left: auto;
            }
            .navbar-toggler-custom {
                display: inline-flex;
                order: 2;
                margin-left: auto;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .nav-cat-chip {
                padding: 6px 9px;
                font-size: 0.75rem;
            }
            .nav-logo-link {
                font-size: 0.9rem;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.7rem;
            }
            .nav-card-panel {
                padding: 8px 10px;
                gap: 6px;
            }
        }

        /* Main */
        .page-main {
            flex: 1;
            padding-bottom: 40px;
        }

        /* Inner Banner */
        .inner-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #0f1d3d 0%, #1a3a6b 40%, #1a5fdc 100%);
            color: #fff;
            overflow: hidden;
            text-align: center;
        }

        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .inner-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 1;
        }

        .inner-banner .container-custom {
            position: relative;
            z-index: 2;
        }

        .inner-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-full);
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.9);
        }

        .inner-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            margin: 0 0 14px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .inner-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .inner-banner {
                padding: 50px 0 36px;
            }
            .inner-banner h1 {
                font-size: 1.8rem;
            }
            .inner-banner .banner-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Section通用 */
        .section-block {
            padding: 56px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            letter-spacing: -0.3px;
        }

        .section-header .section-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* 分析维度卡片 */
        .analysis-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .analysis-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .analysis-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(26, 95, 220, 0.2);
        }

        .analysis-card .card-icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .analysis-card:hover .card-icon-wrap {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .analysis-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }

        .analysis-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.55;
        }

        .analysis-card .card-stat-preview {
            margin-top: 12px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        @media (max-width: 1024px) {
            .analysis-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .analysis-cards-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* 深度数据解读 */
        .data-insight-block {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
        }

        .data-insight-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .data-insight-row+.data-insight-row {
            margin-top: 40px;
            padding-top: 40px;
            border-top: 1px solid var(--border-light);
        }

        .data-insight-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text);
        }

        .data-insight-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 12px;
        }

        .data-insight-text .insight-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }

        .insight-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--bg);
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .data-insight-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 10;
        }

        .data-insight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .data-insight-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .data-insight-row:nth-child(even) .data-insight-img {
                order: -1;
            }
            .data-insight-block {
                padding: 24px 18px;
            }
            .data-insight-row+.data-insight-row {
                margin-top: 28px;
                padding-top: 28px;
            }
        }

        /* 分析报告列表 */
        .report-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .report-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-slow);
            display: flex;
            flex-direction: column;
        }

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

        .report-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg);
        }

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

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

        .report-card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .report-card-body .report-date {
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-bottom: 6px;
        }

        .report-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
            line-height: 1.4;
        }

        .report-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0 0 12px;
            line-height: 1.55;
            flex: 1;
        }

        .report-card-body .report-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            transition: gap var(--transition);
        }

        .report-card-body .report-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        @media (max-width: 1024px) {
            .report-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .report-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(26, 95, 220, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            color: var(--text-weak);
            font-size: 0.8rem;
        }

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

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a5fdc 0%, #1349b0 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 10px;
        }

        .cta-section p {
            font-size: 0.95rem;
            opacity: 0.85;
            margin: 0 0 20px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            background: #fff;
            color: var(--primary);
            border: none;
            transition: all var(--transition);
            text-decoration: none;
        }

        .cta-btn-lg:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-btn-lg {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #0f1d3d;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 20px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col ul li {
            font-size: 0.85rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            justify-content: center;
            align-items: center;
            text-align: center;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                font-size: 0.72rem;
            }
        }

        /* Utility */
        .text-accent {
            color: var(--accent);
        }
        .fw-800 {
            font-weight: 800;
        }

/* roulang page: category6 */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #e94560;
            --accent-hover: #d13652;
            --accent-soft: #ff6b81;
            --gold: #f0a500;
            --gold-light: #ffc947;
            --bg: #f5f6fa;
            --surface: #ffffff;
            --surface-alt: #eef1f7;
            --text: #1a1a2e;
            --text-soft: #4a4a6a;
            --text-muted: #7a7a9a;
            --border: #e2e6ef;
            --border-light: #eef1f7;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            --spacing-section: 72px;
            --spacing-card: 24px;
            --max-width: 1200px;
            --header-height: 76px;
        }

        *,
        *::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-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--primary);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            min-height: var(--header-height);
        }
        .nav-card-panel {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .nav-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: #ffffff;
            white-space: nowrap;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: opacity var(--transition);
        }
        .nav-logo-link:hover {
            opacity: 0.85;
            color: #ffffff;
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .nav-category-cards {
            display: flex;
            align-items: center;
            gap: 5px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 5px 8px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            background: transparent;
            border: 1px solid transparent;
        }
        .nav-cat-chip:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.2);
        }
        .nav-cat-chip.active {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.35);
        }
        .nav-cat-chip .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            flex-shrink: 0;
            opacity: 0.7;
        }
        .nav-cat-chip.active .chip-dot {
            opacity: 1;
            background: #fff;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            background: var(--gold);
            color: var(--primary);
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            border: none;
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            background: var(--gold-light);
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(240, 165, 0, 0.4);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            display: none;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition);
        }
        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.18);
        }
        @media (max-width: 1024px) {
            .nav-category-cards {
                gap: 2px;
                padding: 3px 5px;
            }
            .nav-cat-chip {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .nav-logo-link {
                font-size: 1.1rem;
            }
            .nav-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 768px) {
            .nav-card-panel {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-category-cards {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding: 6px 8px;
                border-radius: var(--radius);
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                gap: 3px;
            }
            .nav-category-cards::-webkit-scrollbar {
                display: none;
            }
            .nav-cat-chip {
                flex-shrink: 0;
                padding: 7px 12px;
                font-size: 0.78rem;
                border-radius: 20px;
            }
            .nav-cta-btn {
                order: 2;
                margin-left: auto;
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .navbar-toggler-custom {
                display: inline-flex;
                order: 2;
                margin-left: auto;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .nav-logo-link {
                order: 1;
            }
        }
        @media (min-width: 769px) {
            .navbar-toggler-custom {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .nav-logo-link {
                font-size: 1rem;
                gap: 6px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.7rem;
            }
            .nav-cat-chip {
                padding: 5px 9px;
                font-size: 0.72rem;
            }
            .nav-cta-btn {
                padding: 6px 10px;
                font-size: 0.72rem;
            }
            .navbar-toggler-custom {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
        }

        /* ========== MAIN ========== */
        main {
            flex: 1;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            background: linear-gradient(170deg, #1a1a2e 0%, #16213e 40%, #1a1a2e 100%);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(233, 69, 96, 0.08);
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(240, 165, 0, 0.06);
            pointer-events: none;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
        }
        .banner-text {
            flex: 1;
            min-width: 280px;
        }
        .banner-text .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .banner-text .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }
        .banner-text .breadcrumb-row a:hover {
            color: #fff;
        }
        .banner-text h1 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.03em;
            line-height: 1.3;
        }
        .banner-text .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin: 0;
        }
        .banner-image {
            flex-shrink: 0;
            width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 2px solid rgba(255, 255, 255, 0.12);
        }
        .banner-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 36px 0 32px;
            }
            .banner-content {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
            .banner-text h1 {
                font-size: 1.6rem;
            }
            .banner-text .banner-desc {
                font-size: 0.95rem;
            }
            .banner-image {
                width: 100%;
                max-width: 360px;
            }
            .banner-image img {
                height: 160px;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-title-group {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-title-group .section-label {
            display: inline-block;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            background: rgba(233, 69, 96, 0.1);
            color: var(--accent);
            margin-bottom: 12px;
        }
        .section-title-group h2 {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            letter-spacing: 0.02em;
        }
        .section-title-group .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title-group h2 {
                font-size: 1.4rem;
            }
            .section-title-group .section-subtitle {
                font-size: 0.85rem;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section-spacing {
            padding: var(--spacing-section) 0;
        }
        @media (max-width: 768px) {
            .section-spacing {
                padding: 44px 0;
            }
        }

        /* ========== HISTORY QUERY PANEL ========== */
        .query-panel {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            margin-bottom: 20px;
        }
        .query-panel .form-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: flex-end;
        }
        .query-panel .form-group-custom {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
            min-width: 140px;
        }
        .query-panel .form-group-custom label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-soft);
            letter-spacing: 0.03em;
        }
        .query-panel .form-group-custom select,
        .query-panel .form-group-custom input {
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--border);
            font-size: 0.9rem;
            font-family: inherit;
            background: var(--bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }
        .query-panel .form-group-custom select:focus,
        .query-panel .form-group-custom input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.08);
        }
        .btn-query {
            padding: 11px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--accent);
            color: #fff;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
            align-self: flex-end;
        }
        .btn-query:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }
        @media (max-width: 768px) {
            .query-panel {
                padding: 20px 16px;
            }
            .query-panel .form-row {
                gap: 10px;
            }
            .btn-query {
                width: 100%;
                text-align: center;
                padding: 12px;
            }
        }

        /* ========== HISTORY TABLE ========== */
        .history-table-wrap {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            overflow-x: auto;
        }
        .history-table-wrap .table {
            margin: 0;
            font-size: 0.9rem;
            border-collapse: collapse;
            width: 100%;
            min-width: 700px;
        }
        .history-table-wrap .table thead th {
            background: var(--surface-alt);
            font-weight: 700;
            font-size: 0.82rem;
            color: var(--text-soft);
            padding: 12px 14px;
            border-bottom: 2px solid var(--border);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .history-table-wrap .table tbody td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
            color: var(--text);
        }
        .history-table-wrap .table tbody tr {
            transition: background var(--transition);
        }
        .history-table-wrap .table tbody tr:hover {
            background: rgba(233, 69, 96, 0.03);
        }
        .score-highlight {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 3px 10px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
        }
        .badge-league {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(240, 165, 0, 0.15);
            color: #b87800;
            white-space: nowrap;
        }
        @media (max-width: 768px) {
            .history-table-wrap {
                padding: 12px 8px;
                border-radius: var(--radius);
            }
            .history-table-wrap .table {
                font-size: 0.78rem;
                min-width: 600px;
            }
        }

        /* ========== REVIEW CARDS ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 22px;
        }
        .review-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .review-card .card-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .review-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .review-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .review-card .card-img-wrap .card-date-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 26, 46, 0.85);
            color: #fff;
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            backdrop-filter: blur(6px);
        }
        .review-card .card-body-custom {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .review-card .card-body-custom h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .review-card .card-body-custom .card-meta {
            display: flex;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .review-card .card-body-custom .card-summary {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.6;
            margin: 0 0 14px;
            flex: 1;
        }
        .review-card .card-body-custom .card-tag-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: auto;
        }
        .tag-pill {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.72rem;
            font-weight: 500;
            background: var(--surface-alt);
            color: var(--text-soft);
        }
        @media (max-width: 768px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .review-card .card-img-wrap {
                height: 150px;
            }
        }

        /* ========== STATS BLOCK ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--accent);
        }
        .stat-card .stat-value {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .stat-card .stat-icon {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border: none;
            cursor: pointer;
            transition: background var(--transition);
            font-family: inherit;
        }
        .faq-question:hover {
            background: var(--surface-alt);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            transition: transform var(--transition);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--text-soft);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(233, 69, 96, 0.1);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.65);
            margin: 0 0 24px;
            font-size: 1rem;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: #fff;
            border: none;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            text-decoration: none;
        }
        .cta-section .btn-cta-lg:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 28px rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .cta-section p {
                font-size: 0.88rem;
            }
            .cta-section .btn-cta-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li {
            font-size: 0.85rem;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
            cursor: default;
        }
        .footer-col ul li a {
            cursor: pointer;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            justify-content: center;
            align-items: center;
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
            .site-footer {
                padding: 32px 0 20px;
            }
            .footer-bottom {
                font-size: 0.7rem;
                gap: 4px 8px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== UTILITY ========== */
        .bg-surface-alt {
            background: var(--surface-alt);
        }
        .text-accent {
            color: var(--accent);
        }
        .fw-700 {
            font-weight: 700;
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a56db;
            --color-primary-hover: #1647b8;
            --color-primary-light: #e8f0fe;
            --color-accent: #f59e0b;
            --color-accent-hover: #d97706;
            --color-accent-light: #fef3c7;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-success-light: #d1fae5;
            --color-danger: #ef4444;
            --color-danger-light: #fee2e2;
            --color-warning: #f59e0b;
            --color-info: #3b82f6;
            --color-dark: #0f172a;
            --color-footer-bg: #0f172a;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.10), 0 4px 8px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 78px;
        }

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

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

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

        a {
            text-decoration: none;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        input,
        select,
        textarea {
            font-family: var(--font-body);
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-top: 0;
        }
        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.85rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.35rem;
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--color-text-secondary);
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-card-panel {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 0;
            flex-wrap: nowrap;
            min-height: 64px;
        }
        .nav-logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-dark) !important;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .nav-logo-link:hover {
            opacity: 0.8;
            color: var(--color-dark) !important;
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), #3b82f6);
            color: #fff;
            font-weight: 900;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }
        .nav-category-cards {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
            flex: 1;
            justify-content: center;
            mask-image: linear-gradient(to right, transparent 0%, #000 2%, #000 98%, transparent 100%);
            -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 2%, #000 98%, transparent 100%);
        }
        .nav-category-cards::-webkit-scrollbar {
            display: none;
        }
        .nav-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-secondary) !important;
            background: transparent;
            border: 1.5px solid transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
        }
        .nav-cat-chip:hover {
            background: var(--color-bg);
            color: var(--color-text) !important;
            border-color: var(--color-border);
        }
        .nav-cat-chip.active {
            background: var(--color-primary-light);
            color: var(--color-primary) !important;
            border-color: var(--color-primary);
            font-weight: 700;
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
        }
        .nav-cat-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-text-weak);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-cat-chip.active .chip-dot {
            background: var(--color-primary);
        }
        .nav-cat-chip:hover .chip-dot {
            background: var(--color-text-secondary);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff !important;
            background: linear-gradient(135deg, var(--color-primary), #2563eb);
            white-space: nowrap;
            flex-shrink: 0;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.25);
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #1d4ed8);
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.35);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .navbar-toggler-custom {
            display: none;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            background: var(--color-bg);
            border: 1.5px solid var(--color-border);
            white-space: nowrap;
            flex-shrink: 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--color-border-light);
            border-color: var(--color-text-weak);
        }
        .navbar-toggler-custom i {
            font-size: 1rem;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 35%, #1a3c6e 65%, #0f172a 100%);
            padding: 60px 0 64px;
            overflow: hidden;
            color: #fff;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26, 86, 219, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(245, 158, 11, 0.18) 0%, transparent 55%);
            z-index: 0;
        }
        .page-banner-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 14px;
            max-width: 700px;
        }
        .page-banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 700;
            background: rgba(245, 158, 11, 0.2);
            color: var(--color-accent);
            border: 1px solid rgba(245, 158, 11, 0.35);
            letter-spacing: 0.02em;
        }
        .page-banner-badge i {
            font-size: 0.75rem;
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.6rem;
            margin: 0;
            line-height: 1.25;
        }
        .page-banner .banner-desc {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.1rem;
            line-height: 1.7;
            margin: 0;
        }
        .page-banner-stats {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .page-banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            font-size: 0.95rem;
        }
        .page-banner-stat .stat-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .stat-dot.green {
            background: #10b981;
            box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
        }
        .stat-dot.amber {
            background: #f59e0b;
            box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
        }

        /* ========== MAIN CONTENT ========== */
        .section-block {
            padding: 56px 0;
        }
        .section-block.alt-bg {
            background: #fff;
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }
        .section-header h2 {
            margin: 0;
            font-size: 1.7rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-header h2 .section-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .section-icon.icon-blue {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .section-icon.icon-amber {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }
        .section-icon.icon-green {
            background: var(--color-success-light);
            color: var(--color-success);
        }
        .section-subtitle {
            color: var(--color-text-weak);
            font-size: 0.95rem;
            font-weight: 500;
            margin: 0;
        }
        .section-header .badge-count {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
            background: var(--color-accent-light);
            color: var(--color-accent);
        }

        /* ========== PREDICTION CARDS ========== */
        .prediction-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .prediction-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .prediction-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }
        .prediction-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: #e2e8f0;
        }
        .prediction-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .prediction-card:hover .prediction-card-img img {
            transform: scale(1.04);
        }
        .prediction-card-img .confidence-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            color: #fff;
            z-index: 2;
            letter-spacing: 0.02em;
        }
        .confidence-high {
            background: #10b981;
        }
        .confidence-medium {
            background: #f59e0b;
        }
        .confidence-very-high {
            background: #1a56db;
        }
        .prediction-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .prediction-card-body .match-teams {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            line-height: 1.4;
        }
        .prediction-card-body .match-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--color-text-weak);
        }
        .prediction-card-body .match-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .prediction-card-body .prediction-result {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-primary);
            border: 1px dashed var(--color-border);
        }
        .prediction-card-body .prediction-result i {
            color: var(--color-accent);
            font-size: 0.85rem;
        }
        .prediction-card-body .analysis-snippet {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .prediction-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 8px;
            border-top: 1px solid var(--color-border-light);
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }
        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary) !important;
            border: 1.5px solid var(--color-primary);
            background: transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline-sm:hover {
            background: var(--color-primary);
            color: #fff !important;
        }

        /* ========== STATS DASHBOARD ========== */
        .stats-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card-dash {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .stat-card-dash::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            opacity: 0.06;
            pointer-events: none;
        }
        .stat-card-dash.highlight::before {
            background: var(--color-primary);
        }
        .stat-card-dash:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-card-dash .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-dark);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-card-dash .stat-value.accent {
            color: var(--color-primary);
        }
        .stat-card-dash .stat-value.success {
            color: var(--color-success);
        }
        .stat-card-dash .stat-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-weak);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        .stat-card-dash .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 0.78rem;
            font-weight: 700;
            margin-top: 4px;
        }
        .stat-trend.up {
            color: #10b981;
        }
        .stat-trend.stable {
            color: #f59e0b;
        }

        /* ========== ANALYST SECTION ========== */
        .analyst-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }
        .analyst-block .analyst-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #e2e8f0;
        }
        .analyst-block .analyst-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .analyst-block .analyst-info h3 {
            font-size: 1.4rem;
            margin-bottom: 6px;
        }
        .analyst-block .analyst-info .analyst-role {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            background: var(--color-primary-light);
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .analyst-block .analyst-info p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--color-text-secondary);
        }
        .analyst-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }
        .analyst-highlight-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--color-bg);
            color: var(--color-text);
            border: 1px solid var(--color-border);
        }

        /* ========== METHODOLOGY ========== */
        .methodology-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            counter-reset: step;
        }
        .method-step {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            text-align: center;
            position: relative;
            transition: all var(--transition-normal);
            counter-increment: step;
        }
        .method-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .method-step::before {
            content: counter(step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .method-step h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--color-dark);
        }
        .method-step p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(150deg, #0f172a 0%, #1a3c6e 50%, #0f2744 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(26, 86, 219, 0.3) 0%, transparent 70%);
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.05rem;
            margin-bottom: 24px;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            color: #fff !important;
            background: linear-gradient(135deg, var(--color-accent), #e68900);
            border: none;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.45);
        }
        .btn-cta-outline-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            color: #fff !important;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.45);
            transition: all var(--transition-fast);
            cursor: pointer;
            margin-left: 12px;
        }
        .btn-cta-outline-large:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.88rem;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            cursor: default;
        }
        .footer-col ul li a:hover {
            color: #fff;
            cursor: pointer;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 2px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .prediction-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .methodology-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .analyst-block {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-category-cards {
                justify-content: flex-start;
            }
            .nav-card-panel {
                gap: 8px;
            }
            .nav-cta-btn {
                font-size: 0.82rem;
                padding: 8px 16px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .section-block {
                padding: 36px 0;
            }
            .nav-category-cards {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 6px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                mask-image: none;
                -webkit-mask-image: none;
            }
            .nav-category-cards.show {
                display: flex;
            }
            .nav-cat-chip {
                width: 100%;
                justify-content: flex-start;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .nav-cta-btn {
                display: none;
            }
            .nav-card-panel {
                justify-content: space-between;
            }
            .prediction-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .methodology-steps {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .analyst-block {
                grid-template-columns: 1fr;
                padding: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
            .footer-bottom .sep {
                display: none;
            }
            .page-banner {
                padding: 36px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .page-banner-stats {
                gap: 14px;
                font-size: 0.85rem;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .btn-cta-outline-large {
                margin-left: 0;
                margin-top: 10px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .stat-card-dash .stat-value {
                font-size: 1.8rem;
            }
            .prediction-card-img {
                height: 150px;
            }
        }
        @media (max-width: 520px) {
            h1 {
                font-size: 1.45rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .container-custom {
                padding: 0 14px;
            }
            .stats-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card-dash {
                padding: 16px 12px;
            }
            .stat-card-dash .stat-value {
                font-size: 1.5rem;
            }
            .stat-card-dash .stat-label {
                font-size: 0.75rem;
            }
            .methodology-steps {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .prediction-card-body {
                padding: 14px 16px 16px;
            }
            .prediction-card-body .match-teams {
                font-size: 0.95rem;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .page-banner {
                padding: 28px 0 32px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .nav-logo-link {
                font-size: 1rem;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.75rem;
            }
        }