/* roulang page: index */
:root {
            --primary: #1D6FE8;
            --primary-dark: #1557c2;
            --primary-deep: #0d3f8f;
            --primary-light: #e8f0fe;
            --secondary: #F59E0B;
            --secondary-light: #fff7e6;
            --success: #10B981;
            --success-light: #e6fbf3;
            --bg: #F8FAFC;
            --bg-soft: #f1f5fb;
            --card-bg: #ffffff;
            --text-primary: #1F2937;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-faint: #94A3B8;
            --border: #E2E8F0;
            --border-light: #EDF2F9;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(30, 58, 138, .06);
            --shadow-md: 0 6px 18px rgba(30, 58, 138, .10);
            --shadow-lg: 0 12px 32px rgba(30, 58, 138, .14);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --space-section: 72px;
            --space-card: 24px;
            --header-height: 68px;
            --footer-bg: #0f1e38;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg);
            padding-bottom: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-wide {
            max-width: 1360px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: var(--space-section) 0;
        }

        section.alt-bg {
            background-color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 28px;
        }

        .text-primary-blue {
            color: var(--primary);
        }
        .text-secondary-amber {
            color: var(--secondary);
        }
        .text-success-green {
            color: var(--success);
        }

        .fw-semi {
            font-weight: 600;
        }

        .bg-soft {
            background: var(--bg);
        }
        .bg-white {
            background: #fff;
        }

        .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            background: var(--card-bg);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #cbd9f0;
        }
        .card.no-hover:hover {
            transform: none;
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }

        .btn {
            border-radius: var(--radius-btn);
            font-weight: 500;
            padding: 10px 18px;
            transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
            font-size: 14px;
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(29, 111, 232, .35);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(29, 111, 232, .25);
        }
        .btn-primary:hover,
        .btn-primary:active,
        .btn-primary:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 111, 232, .32);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-primary {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background-color: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(245, 158, 11, .25);
        }
        .btn-secondary:hover {
            background-color: #e08e0a;
            border-color: #e08e0a;
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, .32);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 13px 24px;
            font-size: 15px;
        }

        .badge-soft {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 500;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
        }
        .badge-amber {
            background: var(--secondary-light);
            color: #b86a00;
            font-weight: 500;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
        }
        .badge-green {
            background: var(--success-light);
            color: #0a7d57;
            font-weight: 500;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
        }

        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
        }
        .header .navbar {
            padding: 0;
            height: var(--header-height);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .navbar-brand:hover {
            color: var(--text-primary);
        }
        .navbar-brand .brand-sub {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 400;
            display: block;
            line-height: 1;
            margin-top: 2px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 14px;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: color .2s, background .2s;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .navbar .search-box {
            position: relative;
            min-width: 180px;
        }
        .navbar .search-box input {
            border: 1px solid var(--border);
            border-radius: 6px;
            background: var(--bg-soft);
            padding: 8px 12px 8px 36px;
            font-size: 13px;
            color: var(--text-primary);
            outline: none;
            width: 100%;
            transition: border-color .2s, box-shadow .2s;
        }
        .navbar .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .12);
            background: #fff;
        }
        .navbar .search-box .fa-magnifying-glass {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-faint);
            font-size: 13px;
            pointer-events: none;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 6px 10px;
            font-size: 18px;
            color: var(--text-secondary);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .12);
            border-color: var(--primary);
        }

        @media (max-width: 1199.98px) {
            .navbar .search-box {
                min-width: 120px;
            }
            .navbar-nav .nav-link {
                padding: 8px 10px !important;
                font-size: 13px;
            }
        }
        @media (max-width: 991.98px) {
            .header {
                height: auto;
                min-height: 60px;
            }
            .header .navbar {
                height: auto;
                min-height: 60px;
                padding: 10px 0;
            }
            .navbar-collapse {
                background: #fff;
                border-radius: 0 0 12px 12px;
                box-shadow: var(--shadow-md);
                padding: 16px 12px;
                margin-top: 8px;
                border: 1px solid var(--border-light);
            }
            .navbar-nav .nav-link {
                padding: 10px 12px !important;
                font-size: 15px;
            }
            .navbar .search-box {
                min-width: 100%;
                margin-top: 10px;
                margin-bottom: 8px;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 72px 0 64px;
            background: linear-gradient(135deg, #eaf2ff 0%, #f5f8ff 40%, #fdf7ea 100%);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -180px;
            right: -160px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(29, 111, 232, .12), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -100px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(245, 158, 11, .10), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-size: clamp(28px, 4.2vw, 42px);
            font-weight: 800;
            line-height: 1.25;
            color: #0f1e38;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }
        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
            white-space: nowrap;
        }
        .hero .hero-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero .hero-bg-img {
            width: 100%;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            object-fit: cover;
            border: 1px solid var(--border-light);
            aspect-ratio: 16/10;
        }
        .hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }
        .hero .stat-chip {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 12px 18px;
            box-shadow: var(--shadow-sm);
            min-width: 110px;
        }
        .hero .stat-chip .stat-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero .stat-chip .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        @media (max-width: 767.98px) {
            .hero {
                padding: 40px 0 40px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero .hero-bg-img {
                aspect-ratio: 16/9;
                margin-top: 16px;
            }
            .hero .hero-stats {
                gap: 8px;
            }
            .hero .stat-chip {
                padding: 10px 14px;
                min-width: 80px;
            }
            .hero .stat-chip .stat-num {
                font-size: 18px;
            }
        }

        /* Live data strip */
        .live-strip {
            background: #0f1e38;
            color: #fff;
            padding: 18px 0;
            overflow-x: auto;
            white-space: nowrap;
            position: relative;
        }
        .live-strip .container {
            position: relative;
        }
        .live-strip .live-match {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 8px;
            padding: 10px 16px;
            margin-right: 12px;
            font-size: 13px;
            color: #e2e8f0;
            min-width: 210px;
        }
        .live-strip .live-dot {
            width: 8px;
            height: 8px;
            background: #10B981;
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.6s infinite;
            flex-shrink: 0;
        }
        .live-strip .live-score {
            font-weight: 700;
            color: #fff;
            font-size: 15px;
            margin-left: auto;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .45;
                transform: scale(1.6);
            }
        }
        .live-strip::-webkit-scrollbar {
            height: 4px;
        }
        .live-strip::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, .25);
            border-radius: 10px;
        }

        /* Brand story */
        .brand-story {
            padding: var(--space-section) 0;
            background: #fff;
        }
        .brand-story .story-img {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .brand-story .story-img img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .brand-story .story-text {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }
        .brand-story .story-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 13px;
            margin-bottom: 14px;
        }

        /* Series nav */
        .series-nav {
            background: var(--bg);
            padding: 48px 0;
        }
        .series-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .series-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s, transform .25s, border-color .25s;
            display: block;
            color: var(--text-primary);
            text-decoration: none;
            height: 100%;
        }
        .series-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: #cbd9f0;
            color: var(--text-primary);
        }
        .series-card .series-icon {
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .series-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .series-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 767.98px) {
            .series-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Hot grid */
        .hot-grid {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .hot-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow .25s, transform .25s;
            height: 100%;
        }
        .hot-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .hot-card .hot-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
            border-bottom: 1px solid var(--border-light);
        }
        .hot-card .hot-img .hot-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
        }
        .hot-card .hot-body {
            padding: 18px 18px 16px;
        }
        .hot-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .hot-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Membership benefits */
        .membership {
            background: #0f1e38;
            color: #fff;
            padding: var(--space-section) 0;
        }
        .membership .section-title {
            color: #fff;
        }
        .membership .section-desc {
            color: #cbd5e1;
        }
        .benefit-item {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            height: 100%;
            transition: background .25s;
        }
        .benefit-item:hover {
            background: rgba(255, 255, 255, .09);
        }
        .benefit-item .benefit-icon {
            font-size: 24px;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .benefit-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: #fff;
        }
        .benefit-item p {
            font-size: 13px;
            color: #cbd5e1;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* News */
        .news-section {
            background: var(--bg);
            padding: var(--space-section) 0;
        }
        .news-card {
            display: flex;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s, transform .25s;
            height: 100%;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card .news-img {
            width: 120px;
            height: 80px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-card .news-body {
            flex: 1;
        }
        .news-card .news-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .news-card .news-meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 575.98px) {
            .news-card {
                flex-direction: column;
            }
            .news-card .news-img {
                width: 100%;
                height: 150px;
            }
        }

        /* Trust / Guarantee */
        .guarantee {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .guarantee-item {
            text-align: center;
            padding: 24px 18px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            background: var(--bg-soft);
            transition: background .25s, transform .25s;
        }
        .guarantee-item:hover {
            background: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .guarantee-item .g-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .guarantee-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .guarantee-item p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        @media (max-width: 991.98px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Testimonials */
        .testimonials {
            background: var(--bg);
            padding: var(--space-section) 0;
        }
        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .testimonial-card .t-stars {
            color: var(--secondary);
            font-size: 14px;
            margin-bottom: 10px;
        }
        .testimonial-card .t-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .testimonial-card .t-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .testimonial-card .t-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-section {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            background: #fff;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .12);
        }
        .faq-section .accordion-button::after {
            background-size: 14px;
        }
        .faq-section .accordion-body {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-secondary);
            padding: 16px 20px 18px;
            background: #fdfefe;
            border-top: 1px solid var(--border-light);
        }

        /* Beginner guide */
        .beginner {
            background: var(--bg-soft);
            padding: var(--space-section) 0;
        }
        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            position: relative;
        }
        .step-card .step-num {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            margin-bottom: 12px;
        }
        .step-card h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Expert column */
        .expert {
            background: #fff;
            padding: var(--space-section) 0;
        }
        .expert-card {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s, transform .25s;
            height: 100%;
        }
        .expert-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .expert-card .expert-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .expert-card .expert-info h5 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .expert-card .expert-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* Footer */
        .footer {
            background: var(--footer-bg);
            color: #cbd5e1;
            padding: 56px 0 40px;
            font-size: 13px;
        }
        .footer .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer .footer-brand .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
        }
        .footer .footer-desc {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.8;
            margin-bottom: 18px;
            max-width: 320px;
        }
        .footer .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 13px;
            transition: color .2s;
        }
        .footer ul li a:hover {
            color: #fff;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 36px;
            padding-top: 22px;
            font-size: 12px;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            justify-content: space-between;
            align-items: center;
        }
        .footer .footer-bottom a {
            color: #94a3b8;
            text-decoration: none;
        }
        .footer .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 767.98px) {
            .footer {
                padding: 40px 0 28px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* Fixed bottom CTA */
        .fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(8px);
            border-top: 1px solid var(--border);
            padding: 12px 0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, .06);
            transform: translateY(100%);
            transition: transform .3s ease;
        }
        .fixed-cta.show {
            transform: translateY(0);
        }
        .fixed-cta .cta-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
        }
        .fixed-cta .cta-desc {
            font-size: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 575.98px) {
            .fixed-cta .cta-desc {
                display: none;
            }
        }
        body.has-fixed-cta {
            padding-bottom: 72px;
        }

        /* General utility */
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-24 {
            gap: 24px;
        }
        .text-sm {
            font-size: 13px;
        }
        .text-xs {
            font-size: 12px;
        }
        .rounded-md {
            border-radius: 10px;
        }
        .shadow-sm-soft {
            box-shadow: var(--shadow-sm);
        }
        .divider {
            height: 1px;
            background: var(--border-light);
            margin: 20px 0;
        }
        .divider-dark {
            height: 1px;
            background: rgba(255, 255, 255, .12);
            margin: 24px 0;
        }

        /* Focus for accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(29, 111, 232, .35);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
        --primary: #1D6FE8;
        --primary-dark: #1557c2;
        --primary-deep: #0d3f8f;
        --primary-light: #e8f0fe;
        --secondary: #F59E0B;
        --secondary-light: #fff7e6;
        --success: #10B981;
        --success-light: #e6fbf3;
        --bg: #F8FAFC;
        --bg-soft: #f1f5fb;
        --card-bg: #ffffff;
        --text-primary: #1F2937;
        --text-secondary: #475569;
        --text-muted: #64748B;
        --text-faint: #94A3B8;
        --border: #E2E8F0;
        --border-light: #EDF2F9;
        --radius-card: 12px;
        --radius-btn: 8px;
        --radius-sm: 6px;
        --shadow-sm: 0 2px 8px rgba(30, 58, 138, .06);
        --shadow-md: 0 6px 18px rgba(30, 58, 138, .10);
        --shadow-lg: 0 12px 32px rgba(30, 58, 138, .14);
        --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        --space-section: 72px;
        --space-card: 24px;
        --header-height: 68px;
        --footer-bg: #0f1e38;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-stack);
        font-size: 15px;
        line-height: 1.75;
        color: var(--text-primary);
        background-color: var(--bg);
        padding-bottom: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color .2s ease;
    }
    a:hover {
        color: var(--primary-dark);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
    }
    .container {
        max-width: 1200px;
        padding-left: 20px;
        padding-right: 20px;
    }
    .container-wide {
        max-width: 1360px;
        padding-left: 24px;
        padding-right: 24px;
    }
    section {
        padding: var(--space-section) 0;
    }
    section.alt-bg {
        background-color: #fff;
    }
    .section-label {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: .08em;
        color: var(--primary);
        background: var(--primary-light);
        padding: 4px 12px;
        border-radius: 20px;
        margin-bottom: 14px;
        text-transform: uppercase;
    }
    .section-title {
        font-size: clamp(24px, 3.2vw, 32px);
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-primary);
        margin-bottom: 12px;
        letter-spacing: -0.01em;
    }
    .section-desc {
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-secondary);
        max-width: 720px;
        margin-bottom: 28px;
    }
    .text-primary-blue {
        color: var(--primary);
    }
    .text-secondary-amber {
        color: var(--secondary);
    }
    .text-success-green {
        color: var(--success);
    }
    .card {
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-sm);
        transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
        background: var(--card-bg);
    }
    .card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
        border-color: #cbd9f0;
    }
    .card.no-hover:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
        border-color: var(--border);
    }
    .btn {
        border-radius: var(--radius-btn);
        font-weight: 500;
        padding: 10px 18px;
        transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
        font-size: 14px;
        line-height: 1.4;
    }
    .btn:focus-visible {
        outline: 3px solid rgba(29, 111, 232, .35);
        outline-offset: 2px;
    }
    .btn-primary {
        background-color: var(--primary);
        border-color: var(--primary);
        color: #fff;
        box-shadow: 0 2px 10px rgba(29, 111, 232, .25);
    }
    .btn-primary:hover,
    .btn-primary:active,
    .btn-primary:focus {
        background-color: var(--primary-dark);
        border-color: var(--primary-dark);
        color: #fff;
        box-shadow: 0 4px 14px rgba(29, 111, 232, .32);
        transform: translateY(-1px);
    }
    .btn-primary:active {
        transform: translateY(0);
    }
    .btn-outline-primary {
        background-color: transparent;
        border: 1px solid var(--primary);
        color: var(--primary);
    }
    .btn-outline-primary:hover {
        background-color: var(--primary-light);
        border-color: var(--primary);
        color: var(--primary-dark);
        transform: translateY(-1px);
    }
    .btn-secondary {
        background-color: var(--secondary);
        border-color: var(--secondary);
        color: #fff;
        box-shadow: 0 2px 10px rgba(245, 158, 11, .25);
    }
    .btn-secondary:hover {
        background-color: #e08e0a;
        border-color: #e08e0a;
        color: #fff;
        box-shadow: 0 4px 14px rgba(245, 158, 11, .32);
        transform: translateY(-1px);
    }
    .btn-sm {
        padding: 7px 14px;
        font-size: 13px;
    }
    .header {
        background-color: #fff;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 1px 4px rgba(30, 58, 138, .05);
        position: sticky;
        top: 0;
        z-index: 999;
        height: auto;
        min-height: var(--header-height);
        display: flex;
        align-items: center;
    }
    .header .navbar {
        padding: 0;
    }
    .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        font-size: 20px;
        color: var(--text-primary);
        letter-spacing: 0.01em;
    }
    .navbar-brand .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        border-radius: 9px;
        font-size: 18px;
        font-weight: 700;
    }
    .brand-sub {
        font-size: 11px;
        font-weight: 400;
        color: var(--text-muted);
        letter-spacing: 0.02em;
        line-height: 1.2;
    }
    .navbar-nav .nav-item {
        margin: 0 4px;
    }
    .navbar-nav .nav-link {
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        padding: 8px 12px;
        border-radius: 6px;
        transition: color .2s, background-color .2s;
    }
    .navbar-nav .nav-link:hover {
        color: var(--primary);
        background-color: var(--primary-light);
    }
    .navbar-nav .nav-link.active {
        color: var(--primary);
        background-color: var(--primary-light);
        font-weight: 600;
    }
    .search-box {
        position: relative;
        display: flex;
        align-items: center;
    }
    .search-box i {
        position: absolute;
        left: 10px;
        color: var(--text-faint);
        font-size: 13px;
        pointer-events: none;
    }
    .search-box input {
        width: 180px;
        height: 36px;
        padding: 8px 12px 8px 32px;
        border-radius: 8px;
        border: 1px solid var(--border);
        background-color: var(--bg-soft);
        font-size: 13px;
        color: var(--text-primary);
        outline: none;
        transition: border-color .2s, box-shadow .2s;
    }
    .search-box input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(29, 111, 232, .12);
        background-color: #fff;
    }
    .navbar-toggler {
        border: none;
        padding: 6px 10px;
        font-size: 20px;
        color: var(--text-primary);
        background: transparent;
        box-shadow: none;
    }
    .navbar-toggler:focus {
        box-shadow: none;
        outline: none;
    }
    .navbar-toggler:hover {
        color: var(--primary);
    }
    .category-hero {
        background: linear-gradient(180deg, #f8faff 0%, #fff 100%);
        padding: 48px 0 36px;
        border-bottom: 1px solid var(--border-light);
    }
    .category-hero h1 {
        font-size: clamp(28px, 4vw, 38px);
        font-weight: 700;
        line-height: 1.25;
        color: var(--text-primary);
        margin-bottom: 14px;
        letter-spacing: -0.01em;
    }
    .category-hero .breadcrumb-wrap {
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 10px;
    }
    .category-hero .breadcrumb-wrap a {
        color: var(--text-muted);
    }
    .category-hero .breadcrumb-wrap a:hover {
        color: var(--primary);
    }
    .category-hero .breadcrumb-wrap .sep {
        margin: 0 6px;
        color: var(--text-faint);
    }
    .category-hero .breadcrumb-wrap .current {
        color: var(--primary);
        font-weight: 500;
    }
    .category-hero .hero-desc {
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-secondary);
        max-width: 760px;
    }
    .filter-bar {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 14px 18px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 10px;
        margin-bottom: 28px;
        box-shadow: var(--shadow-sm);
    }
    .filter-bar .filter-label {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-secondary);
        margin-right: 4px;
        white-space: nowrap;
    }
    .filter-bar .filter-chip {
        display: inline-flex;
        align-items: center;
        padding: 5px 14px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        background: var(--bg-soft);
        border: 1px solid transparent;
        cursor: default;
        transition: all .2s;
    }
    .filter-bar .filter-chip:hover {
        border-color: var(--border);
        color: var(--text-primary);
    }
    .filter-bar .filter-chip.active {
        background: var(--primary-light);
        color: var(--primary);
        border-color: rgba(29, 111, 232, .2);
        font-weight: 600;
    }
    .match-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-bottom: 32px;
    }
    .match-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 18px 16px;
        box-shadow: var(--shadow-sm);
        transition: all .25s;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .match-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
        border-color: #cbd9f0;
    }
    .match-card .match-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--text-muted);
    }
    .match-card .match-status {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 12px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 20px;
        background: var(--secondary-light);
        color: #b45309;
    }
    .match-card .match-status.live {
        background: var(--success-light);
        color: #047857;
    }
    .match-card .match-status.upcoming {
        background: var(--bg-soft);
        color: var(--text-muted);
    }
    .match-card .match-teams {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        text-align: center;
    }
    .match-card .team {
        flex: 1;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        line-height: 1.3;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .match-card .score {
        flex: 0 0 auto;
        font-size: 22px;
        font-weight: 700;
        color: var(--primary-deep);
        padding: 0 10px;
        letter-spacing: 0.02em;
        min-width: 70px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
    }
    .match-card .score .dash {
        color: var(--text-faint);
        font-weight: 400;
    }
    .match-card .match-detail {
        font-size: 12px;
        color: var(--text-faint);
        text-align: center;
        border-top: 1px solid var(--border-light);
        padding-top: 8px;
        margin-top: 2px;
    }
    .match-card .match-img {
        width: 100%;
        height: 100px;
        object-fit: cover;
        border-radius: 8px;
        margin-top: 4px;
        opacity: .85;
    }
    .stats-strip {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 20px 24px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 20px 36px;
        margin-bottom: 32px;
        box-shadow: var(--shadow-sm);
    }
    .stats-strip .stat-item {
        display: flex;
        flex-direction: column;
        min-width: 80px;
    }
    .stats-strip .stat-num {
        font-size: 26px;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.2;
    }
    .stats-strip .stat-label {
        font-size: 12px;
        color: var(--text-muted);
    }
    .league-snapshot {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        margin-bottom: 32px;
    }
    .league-snap-card {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 16px;
        box-shadow: var(--shadow-sm);
        transition: all .25s;
    }
    .league-snap-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .league-snap-card .league-name {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary-deep);
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .league-snap-card .league-name i {
        color: var(--primary);
    }
    .league-snap-card .snap-row {
        font-size: 13px;
        color: var(--text-secondary);
        padding: 3px 0;
        display: flex;
        justify-content: space-between;
        border-bottom: 1px dashed var(--border-light);
    }
    .league-snap-card .snap-row:last-child {
        border-bottom: none;
    }
    .subscribe-panel {
        background: linear-gradient(135deg, #e8f0fe 0%, #f8faff 100%);
        border: 1px solid rgba(29, 111, 232, .15);
        border-radius: 14px;
        padding: 32px 28px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 20px;
        margin-bottom: 32px;
    }
    .subscribe-panel .subscribe-info {
        flex: 1;
        min-width: 240px;
    }
    .subscribe-panel .subscribe-info h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 8px;
    }
    .subscribe-panel .subscribe-info p {
        font-size: 14px;
        color: var(--text-secondary);
        margin: 0;
    }
    .subscribe-panel .subscribe-form {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        align-items: center;
    }
    .subscribe-panel .subscribe-form input {
        width: 240px;
        height: 42px;
        padding: 10px 14px;
        border-radius: 8px;
        border: 1px solid var(--border);
        background: #fff;
        font-size: 14px;
        outline: none;
        transition: border-color .2s, box-shadow .2s;
    }
    .subscribe-panel .subscribe-form input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(29, 111, 232, .12);
    }
    .trust-strip {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 18px 24px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 16px 32px;
        box-shadow: var(--shadow-sm);
    }
    .trust-strip .trust-item {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--text-secondary);
        min-width: 140px;
    }
    .trust-strip .trust-item i {
        color: var(--success);
        font-size: 16px;
    }
    .load-more-wrap {
        display: flex;
        justify-content: center;
        padding: 12px 0 20px;
    }
    .footer {
        background-color: var(--footer-bg);
        color: #cbd5e1;
        padding: 52px 0 30px;
        margin-top: 0;
    }
    .footer .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }
    .footer .footer-brand .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        background: linear-gradient(135deg, var(--primary), #4a8cf5);
        color: #fff;
        border-radius: 8px;
        font-size: 16px;
        font-weight: 700;
    }
    .footer .footer-desc {
        font-size: 13px;
        line-height: 1.7;
        color: #94a3b8;
        max-width: 320px;
        margin-bottom: 16px;
    }
    .footer .footer-title {
        font-size: 14px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: 0.02em;
    }
    .footer ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer ul li {
        margin-bottom: 8px;
    }
    .footer ul li a {
        font-size: 13px;
        color: #94a3b8;
        transition: color .2s;
    }
    .footer ul li a:hover {
        color: #fff;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .08);
        margin-top: 36px;
        padding-top: 22px;
        display: flex;
        flex-wrap: wrap;
        gap: 8px 20px;
        font-size: 12px;
        color: #64748b;
    }
    .footer-bottom a {
        color: #94a3b8;
    }
    .footer-bottom a:hover {
        color: #fff;
    }
    @media (max-width: 1199.98px) {
        .navbar-nav .nav-link {
            font-size: 13px;
            padding: 8px 8px;
        }
        .search-box input {
            width: 140px;
        }
    }
    @media (max-width: 991.98px) {
        .navbar-collapse {
            background: #fff;
            border-radius: 10px;
            padding: 12px 16px;
            margin-top: 8px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
        .navbar-nav .nav-link {
            padding: 10px 12px;
            font-size: 15px;
        }
        .navbar-nav .nav-item {
            margin: 2px 0;
        }
        .header .d-flex.align-items-center.gap-2 {
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
            width: 100%;
        }
        .search-box {
            flex: 1;
        }
        .search-box input {
            width: 100%;
        }
        .match-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .league-snapshot {
            grid-template-columns: repeat(2, 1fr);
        }
        --space-section: 52px;
        section {
            padding: 52px 0;
        }
    }
    @media (max-width: 767.98px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .match-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .league-snapshot {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .stats-strip {
            gap: 14px 24px;
            padding: 16px 18px;
        }
        .stats-strip .stat-num {
            font-size: 22px;
        }
        .filter-bar {
            padding: 10px 12px;
            gap: 6px;
        }
        .filter-bar .filter-chip {
            font-size: 12px;
            padding: 4px 10px;
        }
        .subscribe-panel {
            padding: 22px 18px;
        }
        .subscribe-panel .subscribe-form input {
            width: 100%;
        }
        .category-hero {
            padding: 32px 0 24px;
        }
        .footer {
            padding: 36px 0 24px;
        }
        .footer-bottom {
            flex-direction: column;
            gap: 6px;
        }
        section {
            padding: 40px 0;
        }
    }
    @media (max-width: 520px) {
        .match-card .match-teams {
            flex-direction: column;
            gap: 6px;
        }
        .match-card .team {
            white-space: normal;
        }
        .match-card .score {
            min-width: auto;
            font-size: 20px;
        }
        .navbar-brand {
            font-size: 18px;
        }
        .brand-sub {
            display: none;
        }
        .stats-strip {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px 20px;
        }
        .stats-strip .stat-item {
            flex-direction: row;
            align-items: baseline;
            gap: 8px;
        }
        .trust-strip .trust-item {
            min-width: 100%;
        }
    }

/* roulang page: category2 */
:root {
            --primary: #1D6FE8;
            --primary-dark: #1557c2;
            --primary-deep: #0d3f8f;
            --primary-light: #e8f0fe;
            --secondary: #F59E0B;
            --secondary-light: #fff7e6;
            --success: #10B981;
            --success-light: #e6fbf3;
            --bg: #F8FAFC;
            --bg-soft: #f1f5fb;
            --card-bg: #ffffff;
            --text-primary: #1F2937;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-faint: #94A3B8;
            --border: #E2E8F0;
            --border-light: #EDF2F9;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(30, 58, 138, .06);
            --shadow-md: 0 6px 18px rgba(30, 58, 138, .10);
            --shadow-lg: 0 12px 32px rgba(30, 58, 138, .14);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --space-section: 72px;
            --space-card: 24px;
            --header-height: 68px;
            --footer-bg: #0f1e38;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg);
            padding-bottom: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-wide {
            max-width: 1360px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: var(--space-section) 0;
        }

        section.alt-bg {
            background-color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 28px;
        }

        .text-primary-blue {
            color: var(--primary);
        }
        .text-secondary-amber {
            color: var(--secondary);
        }
        .text-success-green {
            color: var(--success);
        }

        .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            background: var(--card-bg);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #cbd9f0;
        }

        .card.no-hover:hover {
            transform: none;
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }

        .btn {
            border-radius: var(--radius-btn);
            font-weight: 500;
            padding: 10px 18px;
            transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
            font-size: 14px;
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(29, 111, 232, .35);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(29, 111, 232, .25);
        }

        .btn-primary:hover,
        .btn-primary:active,
        .btn-primary:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 111, 232, .32);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline-primary {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background-color: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(245, 158, 11, .25);
        }

        .btn-secondary:hover {
            background-color: #e08e0a;
            border-color: #e08e0a;
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, .32);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 12px 24px;
            font-size: 16px;
        }

        /* Header/Nav */
        .header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 4px rgba(30, 58, 138, .04);
            position: sticky;
            top: 0;
            z-index: 999;
            min-height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header .navbar {
            padding: 0;
            width: 100%;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .navbar-brand:hover {
            color: var(--primary-dark);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(29, 111, 232, .28);
        }

        .brand-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: .02em;
        }

        .navbar-nav {
            gap: 2px;
        }

        .navbar-nav .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: 6px;
            transition: color .2s ease, background-color .2s ease;
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background-color: var(--primary-light);
            font-weight: 600;
            position: relative;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 10px;
            min-width: 180px;
        }

        .search-box i {
            color: var(--text-faint);
            font-size: 13px;
            margin-right: 6px;
        }

        .search-box input {
            border: none;
            background: transparent;
            padding: 7px 0;
            font-size: 13px;
            color: var(--text-primary);
            outline: none;
            width: 100%;
        }

        .search-box input:focus {
            box-shadow: none;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .12);
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 6px 10px;
            color: var(--text-secondary);
            background: #fff;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .15);
            outline: none;
        }

        /* Hero */
        .hero {
            padding: 48px 0 56px;
            background: #fff;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--success));
        }

        .hero-breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: var(--text-muted);
        }

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

        .hero-breadcrumb .separator {
            color: var(--text-faint);
        }

        .hero-breadcrumb .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero-title {
            font-size: clamp(28px, 3.8vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .hero-title .highlight {
            color: var(--primary);
            background: linear-gradient(transparent 65%, rgba(29, 111, 232, .12) 65%);
            padding: 0 4px;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 24px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-map-panel {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .map-region-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 3px 10px;
            margin: 3px;
            transition: all .2s ease;
        }

        .map-region-tag:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .map-region-tag i {
            font-size: 10px;
            color: var(--secondary);
        }

        .map-marker {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* Stats Overview */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

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

        .stat-trend {
            font-size: 12px;
            color: var(--success);
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }

        /* League Data Cards */
        .league-data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .league-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .25s ease;
            height: 100%;
        }

        .league-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #cbd9f0;
        }

        .league-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .league-card-img .overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, rgba(15, 30, 56, .1), rgba(15, 30, 56, .55));
        }

        .league-card-img .league-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, .92);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            z-index: 1;
        }

        .league-card-body {
            padding: 18px;
        }

        .league-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .league-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .league-card-metrics {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .metric-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: var(--text-muted);
            background: var(--bg-soft);
            padding: 3px 8px;
            border-radius: 12px;
            font-weight: 500;
        }

        .metric-chip i {
            color: var(--primary);
            font-size: 10px;
        }

        /* Data Dimension */
        .dimension-row {
            display: flex;
            align-items: center;
            gap: 40px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .dimension-img {
            flex: 0 0 320px;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }

        .dimension-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .dimension-content {
            flex: 1;
        }

        .dimension-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }

        .dimension-list li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px dashed var(--border-light);
        }

        .dimension-list li:last-child {
            border-bottom: none;
        }

        .dimension-list li i {
            color: var(--primary);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Comparison Table */
        .compare-table-wrapper {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .compare-table th,
        .compare-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
        }

        .compare-table th {
            background: var(--bg-soft);
            font-weight: 600;
            color: var(--text-primary);
            font-size: 13px;
            white-space: nowrap;
        }

        .compare-table td {
            color: var(--text-secondary);
        }

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

        .compare-table .highlight-row {
            background: var(--primary-light);
        }

        .compare-table .highlight-row td {
            color: var(--primary-dark);
            font-weight: 500;
        }

        /* Update Mechanism */
        .update-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .update-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
        }

        .update-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 14px;
        }

        .update-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .update-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .2s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 15px;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform .3s ease;
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep), var(--primary-dark));
            color: #fff;
            padding: 56px 0;
            text-align: center;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-white-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .6);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 500;
            padding: 10px 20px;
            transition: all .2s ease;
        }

        .btn-white-outline:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-white {
            background: #fff;
            border: 1px solid #fff;
            color: var(--primary-dark);
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 10px 20px;
            transition: all .2s ease;
        }

        .btn-white:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* Footer */
        .footer {
            background: var(--footer-bg);
            color: #cbd5e1;
            padding: 48px 0 32px;
            font-size: 14px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            color: #94a3b8;
            font-size: 13px;
            line-height: 1.8;
            margin-bottom: 16px;
            max-width: 340px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: .02em;
        }

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

        .footer ul li {
            margin-bottom: 8px;
        }

        .footer ul li a {
            color: #94a3b8;
            font-size: 13px;
            transition: color .2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

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

        /* Responsive */
        @media (max-width: 1199px) {
            .navbar-nav .nav-link {
                font-size: 13px;
                padding: 8px 10px;
            }
            .search-box {
                min-width: 140px;
            }
        }

        @media (max-width: 991px) {
            :root {
                --space-section: 52px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .league-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .dimension-row {
                flex-direction: column;
                gap: 20px;
                padding: 20px;
            }
            .dimension-img {
                flex: 0 0 auto;
                width: 100%;
            }
            .dimension-img img {
                height: 180px;
            }
            .update-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .hero {
                padding: 36px 0 44px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 40px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .league-data-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .update-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .compare-table-wrapper {
                overflow-x: auto;
            }
            .compare-table {
                font-size: 12px;
                min-width: 600px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .cta-title {
                font-size: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        @media (max-width: 575px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 22px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .hero-map-panel {
                padding: 14px;
            }
            .map-region-tag {
                font-size: 11px;
                padding: 2px 8px;
            }
            .btn-lg {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1D6FE8;
            --primary-dark: #1557c2;
            --primary-deep: #0d3f8f;
            --primary-light: #e8f0fe;
            --secondary: #F59E0B;
            --secondary-light: #fff7e6;
            --success: #10B981;
            --success-light: #e6fbf3;
            --bg: #F8FAFC;
            --bg-soft: #f1f5fb;
            --card-bg: #ffffff;
            --text-primary: #1F2937;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-faint: #94A3B8;
            --border: #E2E8F0;
            --border-light: #EDF2F9;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(30, 58, 138, .06);
            --shadow-md: 0 6px 18px rgba(30, 58, 138, .10);
            --shadow-lg: 0 12px 32px rgba(30, 58, 138, .14);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --space-section: 72px;
            --space-card: 24px;
            --header-height: 68px;
            --footer-bg: #0f1e38;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg);
            padding-bottom: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-wide {
            max-width: 1360px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--space-section) 0;
        }
        section.alt-bg {
            background-color: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 28px;
        }
        .text-primary-blue {
            color: var(--primary);
        }
        .text-secondary-amber {
            color: var(--secondary);
        }
        .text-success-green {
            color: var(--success);
        }
        .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            background: var(--card-bg);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #cbd9f0;
        }
        .card.no-hover:hover {
            transform: none;
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 500;
            padding: 10px 18px;
            transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
            font-size: 14px;
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(29, 111, 232, .35);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(29, 111, 232, .25);
        }
        .btn-primary:hover,
        .btn-primary:active,
        .btn-primary:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 111, 232, .32);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-primary {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background-color: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(245, 158, 11, .25);
        }
        .btn-secondary:hover {
            background-color: #e08e0a;
            border-color: #e08e0a;
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, .32);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }
        .header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 4px rgba(30, 58, 138, .04);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0;
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header .navbar {
            padding: 0;
            width: 100%;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-faint);
            letter-spacing: .04em;
        }
        .navbar-nav .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 14px !important;
            border-radius: var(--radius-sm);
            transition: color .2s ease, background-color .2s ease;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .search-box {
            position: relative;
            min-width: 180px;
        }
        .search-box .fa-magnifying-glass {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 13px;
            color: var(--text-faint);
            pointer-events: none;
        }
        .search-box input {
            width: 100%;
            height: 36px;
            padding: 0 12px 0 34px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg-soft);
            font-size: 13px;
            color: var(--text-primary);
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
        }
        .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .12);
            background: #fff;
        }
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            font-size: 20px;
            color: var(--text-secondary);
            background: var(--bg-soft);
            border-radius: var(--radius-sm);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .2);
        }
        .category-hero {
            background: linear-gradient(135deg, #f0f5ff 0%, #ffffff 60%, #e8f0fe 100%);
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: var(--primary-light);
            border-radius: 50%;
            opacity: .5;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-metric-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 28px;
        }
        .hero-metric {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 14px 20px;
            min-width: 120px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .hero-metric .metric-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-metric .metric-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .expert-card {
            overflow: hidden;
            height: 100%;
        }
        .expert-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .expert-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .expert-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .expert-card .card-body {
            padding: 18px 20px 20px;
        }
        .tag-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            letter-spacing: .04em;
            background: var(--primary-light);
            color: var(--primary);
        }
        .tag-badge.warm {
            background: var(--secondary-light);
            color: #b45309;
        }
        .tag-badge.success {
            background: var(--success-light);
            color: #047857;
        }
        .expert-card .expert-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin: 10px 0 8px;
        }
        .expert-card .expert-meta {
            font-size: 12px;
            color: var(--text-faint);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .opinion-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease;
        }
        .opinion-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .opinion-expert {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .opinion-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .data-stat-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }
        .data-stat-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .data-stat-card .stat-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .data-stat-card .stat-number.amber {
            color: var(--secondary);
        }
        .data-stat-card .stat-number.green {
            color: var(--success);
        }
        .data-stat-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .match-preview-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .match-preview-card .match-league {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: .06em;
        }
        .match-preview-card .match-teams {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 8px 0;
        }
        .team-expert-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }
        .team-expert-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .team-expert-item .expert-avatar-large {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 26px;
            margin: 0 auto 12px;
        }
        .subscribe-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-cta .cta-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }
        .subscribe-cta .cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 0;
        }
        .subscribe-cta .btn-light {
            background: #fff;
            border: none;
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .subscribe-cta .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
            color: var(--primary-dark);
        }
        .footer {
            background: var(--footer-bg);
            color: #cbd5e1;
            padding: 56px 0 0;
        }
        .footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer .footer-brand .logo-icon {
            background: var(--primary);
            color: #fff;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: #94a3b8;
            max-width: 320px;
            margin-bottom: 18px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .04em;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            font-size: 13px;
            color: #94a3b8;
            transition: color .2s ease;
        }
        .footer ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 18px 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 12px;
            color: #64748b;
        }
        @media (max-width: 991px) {
            .header {
                height: auto;
            }
            .header .navbar {
                padding: 10px 0;
            }
            .navbar-collapse {
                background: #fff;
                border-radius: var(--radius-card);
                padding: 16px;
                box-shadow: var(--shadow-md);
                margin-top: 10px;
            }
            .navbar-nav {
                gap: 4px;
            }
            .d-flex.align-items-center.gap-2.flex-wrap {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
            }
            .search-box {
                display: none;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .hero-metric {
                min-width: calc(50% - 8px);
                flex: 1;
            }
            .subscribe-cta {
                flex-direction: column;
                text-align: center;
            }
            :root {
                --space-section: 48px;
            }
        }
        @media (max-width: 767px) {
            .category-hero {
                padding: 32px 0 28px;
            }
            .hero-metric-row {
                gap: 10px;
            }
            .hero-metric {
                padding: 10px 14px;
                min-width: calc(50% - 5px);
            }
            .hero-metric .metric-value {
                font-size: 18px;
            }
            .data-stat-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .data-stat-card .stat-number {
                font-size: 24px;
            }
            .footer {
                padding: 40px 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-metric {
                min-width: 100%;
            }
            .data-stat-row {
                grid-template-columns: 1fr;
            }
            .match-preview-card {
                padding: 16px;
            }
            .subscribe-cta {
                padding: 24px 18px;
            }
            .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1D6FE8;
            --primary-dark: #1557c2;
            --primary-deep: #0d3f8f;
            --primary-light: #e8f0fe;
            --secondary: #F59E0B;
            --secondary-light: #fff7e6;
            --success: #10B981;
            --success-light: #e6fbf3;
            --bg: #F8FAFC;
            --bg-soft: #f1f5fb;
            --card-bg: #ffffff;
            --text-primary: #1F2937;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-faint: #94A3B8;
            --border: #E2E8F0;
            --border-light: #EDF2F9;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(30, 58, 138, .06);
            --shadow-md: 0 6px 18px rgba(30, 58, 138, .10);
            --shadow-lg: 0 12px 32px rgba(30, 58, 138, .14);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --space-section: 72px;
            --space-card: 24px;
            --header-height: 68px;
            --footer-bg: #0f1e38;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg);
            padding-bottom: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-wide {
            max-width: 1360px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--space-section) 0;
        }
        section.alt-bg {
            background-color: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 28px;
        }
        .text-primary-blue {
            color: var(--primary);
        }
        .text-secondary-amber {
            color: var(--secondary);
        }
        .text-success-green {
            color: var(--success);
        }
        .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            background: var(--card-bg);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #cbd9f0;
        }
        .card.no-hover:hover {
            transform: none;
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 500;
            padding: 10px 18px;
            transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
            font-size: 14px;
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(29, 111, 232, .35);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(29, 111, 232, .25);
        }
        .btn-primary:hover, .btn-primary:active, .btn-primary:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 111, 232, .32);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-primary {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background-color: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(245, 158, 11, .25);
        }
        .btn-secondary:hover {
            background-color: #e08e0a;
            border-color: #e08e0a;
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, .32);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }
        .badge-custom {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            background: var(--primary-light);
            color: var(--primary);
            margin-right: 6px;
            margin-bottom: 6px;
        }
        .badge-amber {
            background: var(--secondary-light);
            color: #b45309;
        }
        .badge-green {
            background: var(--success-light);
            color: #047857;
        }
        .header {
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(30, 58, 138, .04);
        }
        .navbar {
            padding: 0;
            width: 100%;
            gap: 16px;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--primary-deep) !important;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .brand-sub {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 0;
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary) !important;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary) !important;
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary) !important;
            background: var(--primary-light);
            font-weight: 600;
        }
        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 8px 12px;
            color: var(--text-secondary);
            box-shadow: none;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .2);
            border-color: var(--primary);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
            min-width: 200px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 111, 232, .12);
            background: #fff;
        }
        .search-box i {
            color: var(--text-faint);
            font-size: 13px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text-primary);
            width: 100%;
            padding: 0;
        }
        .search-box input::placeholder {
            color: var(--text-faint);
        }
        .hero-category {
            background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 50%, #f8fafc 100%);
            padding: 56px 0 48px;
            border-bottom: 1px solid var(--border-light);
        }
        .hero-category h1 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .hero-category .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 760px;
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }
        .filter-bar .btn-filter {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-secondary);
            transition: all .2s ease;
            cursor: pointer;
        }
        .filter-bar .btn-filter:hover,
        .filter-bar .btn-filter.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-image {
            height: 180px;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            position: relative;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-body-custom {
            padding: 18px 20px 20px;
        }
        .card-category-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            backdrop-filter: blur(4px);
        }
        .card-title-custom {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-text-custom {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-footer-meta {
            font-size: 12px;
            color: var(--text-faint);
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .card-footer-meta i {
            margin-right: 4px;
        }
        .info-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .info-table th {
            background: var(--bg-soft);
            color: var(--text-secondary);
            font-weight: 600;
            text-align: left;
            padding: 12px 16px;
            border-bottom: 2px solid var(--border);
            font-size: 13px;
        }
        .info-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-primary);
        }
        .info-table tr:last-child td {
            border-bottom: none;
        }
        .tool-card {
            background: linear-gradient(135deg, #fff 0%, #f8faff 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all .25s ease;
            height: 100%;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .tool-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .tool-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .focus-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 10px;
            margin-bottom: 10px;
            transition: all .2s ease;
        }
        .focus-item:hover {
            border-color: #cbd9f0;
            box-shadow: var(--shadow-sm);
        }
        .focus-item .focus-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--secondary-light);
            color: #b45309;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .focus-item .focus-info {
            flex: 1;
        }
        .focus-item .focus-info strong {
            font-size: 14px;
            color: var(--text-primary);
            display: block;
            margin-bottom: 2px;
        }
        .focus-item .focus-info span {
            font-size: 12px;
            color: var(--text-faint);
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 16px 20px;
            background: #fff;
            border-left: 4px solid var(--primary);
            box-shadow: none;
            border-radius: 0;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-deep);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .faq-accordion .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 14px 20px 18px;
            background: #fafcff;
        }
        .footer {
            background: var(--footer-bg);
            color: #cbd5e1;
            padding: 56px 0 32px;
            margin-top: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #94a3b8;
            margin-bottom: 16px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            font-size: 13px;
            color: #94a3b8;
            transition: color .2s ease;
        }
        .footer ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 20px;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 12px;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .btn-outline-primary.footer-btn {
            border-color: rgba(255, 255, 255, .25);
            color: #cbd5e1;
        }
        .btn-outline-primary.footer-btn:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, .05);
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: #fff;
                border-radius: 12px;
                border: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 16px;
                margin-top: 12px;
            }
            .navbar-nav {
                gap: 2px;
            }
            .nav-link {
                padding: 10px 14px !important;
            }
            .search-box {
                min-width: 100%;
                margin: 8px 0 6px;
            }
            .grid-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --space-section: 48px;
                --header-height: 60px;
            }
            section {
                padding: var(--space-section) 0;
            }
            .grid-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-category {
                padding: 36px 0 32px;
            }
            .hero-category h1 {
                font-size: 26px;
            }
            .hero-category .hero-desc {
                font-size: 14px;
            }
            .filter-bar .btn-filter {
                font-size: 12px;
                padding: 5px 12px;
            }
            .footer {
                padding: 40px 0 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-brand {
                font-size: 17px;
                gap: 8px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .brand-sub {
                font-size: 10px;
            }
            .card-image {
                height: 160px;
            }
            .card-title-custom {
                font-size: 15px;
            }
            .tool-card {
                padding: 18px;
            }
            .tool-icon {
                width: 40px;
                height: 40px;
                font-size: 17px;
            }
            .info-table {
                font-size: 12px;
            }
            .info-table th, .info-table td {
                padding: 8px 10px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1D6FE8;
            --primary-dark: #1557c2;
            --primary-deep: #0d3f8f;
            --primary-light: #e8f0fe;
            --secondary: #F59E0B;
            --secondary-light: #fff7e6;
            --success: #10B981;
            --success-light: #e6fbf3;
            --bg: #F8FAFC;
            --bg-soft: #f1f5fb;
            --card-bg: #ffffff;
            --text-primary: #1F2937;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-faint: #94A3B8;
            --border: #E2E8F0;
            --border-light: #EDF2F9;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(30, 58, 138, .06);
            --shadow-md: 0 6px 18px rgba(30, 58, 138, .10);
            --shadow-lg: 0 12px 32px rgba(30, 58, 138, .14);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --space-section: 72px;
            --space-card: 24px;
            --header-height: 68px;
            --footer-bg: #0f1e38;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg);
            padding-bottom: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-wide {
            max-width: 1360px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--space-section) 0;
        }
        section.alt-bg {
            background-color: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 28px;
        }
        .text-primary-blue {
            color: var(--primary);
        }
        .text-secondary-amber {
            color: var(--secondary);
        }
        .text-success-green {
            color: var(--success);
        }
        .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            background: var(--card-bg);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #cbd9f0;
        }
        .card.no-hover:hover {
            transform: none;
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 500;
            padding: 10px 18px;
            transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
            font-size: 14px;
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(29, 111, 232, .35);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(29, 111, 232, .25);
        }
        .btn-primary:hover,
        .btn-primary:active,
        .btn-primary:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 111, 232, .32);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-primary {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background-color: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(245, 158, 11, .25);
        }
        .btn-secondary:hover {
            background-color: #e08e0a;
            border-color: #e08e0a;
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, .32);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }
        /* Header */
        .header {
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            min-height: var(--header-height);
        }
        .navbar {
            padding: 12px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
        }
        .navbar-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-right: 2px;
        }
        .brand-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            line-height: 1.2;
            margin-top: 2px;
            letter-spacing: .02em;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: color .2s, background-color .2s;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 12px;
            min-width: 200px;
        }
        .search-box i {
            color: var(--text-faint);
            margin-right: 8px;
            font-size: 13px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text-primary);
            width: 100%;
        }
        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 6px 10px;
            color: var(--text-secondary);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(29,111,232,.2);
        }
        /* Hero section */
        .hero-wrapper {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
        }
        .hero {
            padding: 56px 0 48px;
        }
        .hero .section-label {
            margin-bottom: 10px;
        }
        .hero h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .hero .lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .hero .cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-visual {
            position: relative;
            min-height: 260px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--bg-soft);
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
        }
        .hero-data-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(255,255,255,.9);
            border-radius: 8px;
            padding: 12px 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            backdrop-filter: blur(4px);
        }
        .hero-data-overlay .data-item {
            flex: 1;
            min-width: 80px;
        }
        .data-item .data-value {
            font-weight: 700;
            font-size: 18px;
            color: var(--primary);
        }
        .data-item .data-label {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* Card grid */
        .league-card {
            overflow: hidden;
            border-radius: var(--radius-card);
            transition: all .25s ease;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .league-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #cbd9f0;
        }
        .league-card .card-img-top {
            height: 140px;
            object-fit: cover;
            border-top-left-radius: var(--radius-card);
            border-top-right-radius: var(--radius-card);
        }
        .league-card .card-body {
            padding: 18px 18px 20px;
        }
        .league-card .league-name {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .league-card .league-meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .league-card .league-stat {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-soft);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .league-stat .stat-value {
            font-weight: 600;
            color: var(--primary);
        }
        .badge-soft-primary {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 8px;
            border-radius: 4px;
        }
        /* Table */
        .table-custom {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .table-custom thead th {
            background: var(--bg-soft);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        .table-custom tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-primary);
        }
        .table-custom tbody tr:last-child td {
            border-bottom: none;
        }
        .table-custom tbody tr:hover {
            background: var(--bg-soft);
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 13px;
        }
        .rank-badge.top {
            background: var(--secondary-light);
            color: #b45309;
        }
        /* Focus cards */
        .focus-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform .25s, box-shadow .25s;
            height: 100%;
        }
        .focus-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .focus-card .focus-img {
            height: 180px;
            object-fit: cover;
        }
        .focus-card .focus-body {
            padding: 20px;
        }
        .focus-card .focus-title {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .focus-card .focus-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Data compare */
        .compare-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .compare-item .compare-label {
            width: 120px;
            font-size: 14px;
            color: var(--text-secondary);
            text-align: right;
            flex-shrink: 0;
        }
        .compare-item .compare-bar {
            flex: 1;
            background: var(--bg-soft);
            border-radius: 6px;
            height: 10px;
            overflow: hidden;
        }
        .compare-item .compare-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 6px;
            width: 0;
        }
        .compare-item .compare-value {
            width: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        /* Expert list */
        .expert-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            transition: background .2s;
        }
        .expert-item:last-child {
            border-bottom: none;
        }
        .expert-item:hover {
            background: var(--bg-soft);
            border-radius: 8px;
            padding-left: 12px;
            padding-right: 12px;
        }
        .expert-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .expert-content {
            flex: 1;
        }
        .expert-content .expert-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
        }
        .expert-content .expert-title {
            font-size: 13px;
            color: var(--text-muted);
        }
        .expert-content .expert-snippet {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        /* Form */
        .subscribe-form {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            border: 1px solid var(--border);
        }
        .form-check-input:checked {
            background-color: var(--primary);
            border-color: var(--primary);
        }
        .form-select, .form-control {
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            font-size: 14px;
            padding: 10px 12px;
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29,111,232,.15);
        }
        /* Footer */
        .footer {
            background: var(--footer-bg);
            color: #cbd5e1;
            padding: 48px 0 24px;
        }
        .footer a {
            color: #cbd5e1;
        }
        .footer a:hover {
            color: #fff;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 300px;
            margin-bottom: 16px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            font-size: 14px;
            color: #cbd5e1;
            transition: color .2s;
        }
        .footer ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #94a3b8;
        }
        .footer-bottom a {
            color: #94a3b8;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-nav {
                padding: 12px 0;
            }
            .search-box {
                margin-top: 8px;
            }
            .hero {
                padding: 40px 0 40px;
            }
            .hero-visual {
                margin-top: 24px;
                min-height: 220px;
            }
            .hero-visual img {
                min-height: 220px;
            }
            section {
                padding: 48px 0;
            }
        }
        @media (max-width: 767.98px) {
            .navbar-brand .brand-sub {
                display: none;
            }
            .navbar {
                padding: 10px 0;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero .lead {
                font-size: 15px;
            }
            .compare-item .compare-label {
                width: 80px;
                font-size: 12px;
            }
            .compare-item .compare-value {
                width: 40px;
                font-size: 12px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero {
                padding: 32px 0;
            }
            .hero-visual {
                min-height: 180px;
            }
            .hero-visual img {
                min-height: 180px;
            }
            .league-card .card-img-top {
                height: 120px;
            }
            .table-custom thead th,
            .table-custom tbody td {
                padding: 10px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1D6FE8;
            --primary-dark: #1557c2;
            --primary-deep: #0d3f8f;
            --primary-light: #e8f0fe;
            --secondary: #F59E0B;
            --secondary-light: #fff7e6;
            --success: #10B981;
            --success-light: #e6fbf3;
            --bg: #F8FAFC;
            --bg-soft: #f1f5fb;
            --card-bg: #ffffff;
            --text-primary: #1F2937;
            --text-secondary: #475569;
            --text-muted: #64748B;
            --text-faint: #94A3B8;
            --border: #E2E8F0;
            --border-light: #EDF2F9;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-sm: 6px;
            --shadow-sm: 0 2px 8px rgba(30, 58, 138, .06);
            --shadow-md: 0 6px 18px rgba(30, 58, 138, .10);
            --shadow-lg: 0 12px 32px rgba(30, 58, 138, .14);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --space-section: 72px;
            --space-card: 24px;
            --header-height: 68px;
            --footer-bg: #0f1e38;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg);
            padding-bottom: 72px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-wide {
            max-width: 1360px;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: var(--space-section) 0;
        }
        section.alt-bg {
            background-color: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(24px, 3.2vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 28px;
        }
        .text-primary-blue { color: var(--primary); }
        .text-secondary-amber { color: var(--secondary); }
        .text-success-green { color: var(--success); }
        .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            background: var(--card-bg);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #cbd9f0;
        }
        .card.no-hover:hover {
            transform: none;
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 500;
            padding: 10px 18px;
            transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .15s ease;
            font-size: 14px;
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(29, 111, 232, .35);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(29, 111, 232, .25);
        }
        .btn-primary:hover, .btn-primary:active, .btn-primary:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(29, 111, 232, .32);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-primary {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background-color: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(245, 158, 11, .25);
        }
        .btn-secondary:hover {
            background-color: #e08e0a;
            border-color: #e08e0a;
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, .32);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }
        /* Header / Nav */
        .header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 4px rgba(30,58,138,.04);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header .navbar {
            padding: 0;
            min-height: var(--header-height);
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            padding: 0;
            margin-right: 24px;
        }
        .navbar-brand:hover { color: var(--text-primary); }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-sub {
            font-size: 11px;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: .02em;
        }
        .navbar-nav {
            gap: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px !important;
            border-radius: 8px;
            transition: color .2s, background-color .2s;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-box i {
            position: absolute;
            left: 12px;
            color: var(--text-faint);
            font-size: 13px;
            pointer-events: none;
        }
        .search-box input {
            width: 170px;
            padding: 8px 12px 8px 34px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 13px;
            background: var(--bg);
            transition: border-color .2s, box-shadow .2s, width .2s;
            outline: none;
        }
        .search-box input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29,111,232,.12);
            background: #fff;
            width: 210px;
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            font-size: 18px;
            color: var(--text-primary);
            outline: none;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(29,111,232,.25);
        }
        /* Page Hero */
        .page-hero {
            background: linear-gradient(160deg, var(--bg-soft) 0%, #fff 80%);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0 36px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(29,111,232,.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .breadcrumb {
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--text-muted);
            background: transparent;
            padding: 0;
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--text-faint);
        }
        .page-hero h1 {
            font-size: clamp(30px, 4vw, 40px);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 10px;
            letter-spacing: -0.015em;
        }
        .page-hero .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
        }
        /* Community specific */
        .post-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            background: var(--card-bg);
            transition: box-shadow .25s ease, transform .25s ease;
            overflow: hidden;
        }
        .post-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .post-card .post-img {
            height: 160px;
            object-fit: cover;
            width: 100%;
        }
        .post-card .post-body {
            padding: 16px 18px 18px;
        }
        .post-card .post-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 2px 10px;
            border-radius: 16px;
            margin-bottom: 8px;
        }
        .post-card .post-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .post-card .post-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-faint);
        }
        .post-card .post-meta i {
            margin-right: 4px;
        }
        .expert-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border-light);
            transition: background .2s;
        }
        .expert-row:last-child { border-bottom: none; }
        .expert-row:hover { background: var(--bg-soft); }
        .expert-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .expert-info {
            flex: 1;
            min-width: 0;
        }
        .expert-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .expert-bio {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .expert-stats {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
        }
        .topic-tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all .2s;
            margin: 4px 4px 4px 0;
            cursor: default;
        }
        .topic-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .topic-tag.hot {
            background: var(--secondary-light);
            border-color: rgba(245,158,11,.3);
            color: #b45309;
        }
        .stat-item {
            text-align: center;
            padding: 20px 16px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            background: #fff;
            transition: box-shadow .25s;
        }
        .stat-item:hover { box-shadow: var(--shadow-sm); }
        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .community-rule {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .community-rule:last-child { border-bottom: none; }
        .rule-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .rule-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .rule-text strong {
            color: var(--text-primary);
            font-weight: 600;
            display: block;
        }
        /* Bottom fixed bar */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(30,58,138,.08);
            padding: 10px 0;
            z-index: 999;
            min-height: 60px;
            display: flex;
            align-items: center;
        }
        .fixed-bottom-bar .bar-text {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .fixed-bottom-bar .bar-cta {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-right: 12px;
        }
        /* Footer */
        .footer {
            background: var(--footer-bg);
            color: #cbd5e1;
            padding: 56px 0 24px;
            font-size: 14px;
            margin-top: 0;
        }
        .footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color .2s;
        }
        .footer a:hover {
            color: #fff;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: #94a3b8;
            margin-bottom: 16px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 8px;
        }
        .footer ul li a {
            font-size: 13px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.08);
            margin-top: 36px;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: #94a3b8;
            align-items: center;
        }
        .footer-bottom div {
            white-space: nowrap;
        }
        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                padding: 12px 0;
            }
            .navbar-nav .nav-link {
                padding: 10px 14px !important;
            }
            .search-box.d-none.d-lg-block {
                display: none !important;
            }
            .header .btn-outline-primary,
            .header .btn-primary {
                font-size: 12px;
                padding: 6px 12px;
            }
            section {
                padding: 48px 0;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --space-section: 40px;
            }
            .page-hero {
                padding: 32px 0 24px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .fixed-bottom-bar {
                min-height: 54px;
                padding: 8px 0;
            }
            .fixed-bottom-bar .bar-text {
                font-size: 12px;
            }
            .fixed-bottom-bar .btn {
                font-size: 12px;
                padding: 8px 14px;
            }
            .footer {
                padding: 40px 0 20px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .navbar-brand {
                font-size: 17px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }
            .brand-sub {
                font-size: 10px;
            }
            .fixed-bottom-bar .bar-cta {
                display: none;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
                align-items: flex-start;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}