/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0b1a30;
            --primary-light: #132642;
            --primary-dark: #060f1e;
            --accent: #f0b90b;
            --accent-hover: #d4a308;
            --accent-light: #fcd63a;
            --gold: #f0b90b;
            --gold-dark: #c49a08;
            --text-primary: #f0f0f0;
            --text-secondary: #a0b0c8;
            --text-muted: #6a7a92;
            --bg-body: #0b1a30;
            --bg-card: #132642;
            --bg-card-hover: #1a3055;
            --bg-dark: #060f1e;
            --border-color: #1e3a5e;
            --border-light: #2a4a72;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
            --shadow-gold: 0 4px 24px rgba(240,185,11,0.2);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent-hover); }
        a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text-primary); }
        h1 { font-size: clamp(2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        p { color: var(--text-secondary); margin-bottom: 1rem; }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .container-narrow { max-width: 880px; margin: 0 auto; padding: 0 20px; }

        /* ===== Section Spacing ===== */
        .section { padding: 80px 0; }
        .section-sm { padding: 50px 0; }
        .section-title { text-align: center; margin-bottom: 50px; }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { font-size: 1.05rem; max-width: 600px; margin: 0 auto; color: var(--text-secondary); }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(30, 58, 94, 0.5);
            height: var(--header-height);
            transition: background var(--transition);
        }
        .header.scrolled { background: rgba(6, 15, 30, 0.96); box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .header-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: 8px;
            color: var(--primary-dark);
            font-size: 1.2rem;
        }
        .header-logo .logo-text { background: linear-gradient(135deg, #f0b90b, #fcd63a); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .header-logo:hover { opacity: 0.9; }
        .nav-main { display: flex; align-items: center; gap: 8px; }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.92rem;
            transition: all var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--text-primary); background: rgba(240, 185, 11, 0.08); }
        .nav-main a.active { color: var(--accent); background: rgba(240, 185, 11, 0.12); }
        .nav-main a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 2px; background: var(--accent); border-radius: 2px; }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .btn-cta-nav {
            background: linear-gradient(135deg, var(--accent), var(--gold-dark));
            color: var(--primary-dark) !important;
            padding: 10px 26px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.88rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-gold);
            letter-spacing: 0.3px;
        }
        .btn-cta-nav:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(240,185,11,0.35); color: var(--primary-dark) !important; }
        .hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 32px; height: 32px; cursor: pointer; background: none; border: none; padding: 4px; }
        .hamburger span { display: block; width: 100%; height: 2px; background: var(--text-primary); border-radius: 4px; transition: all var(--transition); }
        .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Mobile Nav ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(6, 15, 30, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 24px 20px 32px;
            border-bottom: 1px solid var(--border-color);
            z-index: 999;
            transform: translateY(-20px);
            opacity: 0;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            pointer-events: none;
        }
        .mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
        .mobile-menu a {
            display: block;
            padding: 14px 16px;
            color: var(--text-secondary);
            font-size: 1.05rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border-bottom: 1px solid rgba(30, 58, 94, 0.3);
        }
        .mobile-menu a:last-child { border-bottom: none; }
        .mobile-menu a:hover { color: var(--text-primary); background: rgba(240, 185, 11, 0.08); padding-left: 22px; }
        .mobile-menu a.active { color: var(--accent); background: rgba(240, 185, 11, 0.1); }
        .mobile-menu .btn-cta-mobile {
            display: inline-block;
            margin-top: 16px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent), var(--gold-dark));
            color: var(--primary-dark) !important;
            border-radius: var(--radius-xl);
            font-weight: 700;
            text-align: center;
            border-bottom: none;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,26,48,0.92) 0%, rgba(11,26,48,0.6) 50%, rgba(6,15,30,0.9) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            background: rgba(240, 185, 11, 0.12);
            border: 1px solid rgba(240, 185, 11, 0.25);
            border-radius: var(--radius-xl);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
        .hero h1 span { background: linear-gradient(135deg, #f0b90b, #fcd63a); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .btn-hero {
            padding: 16px 40px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent), var(--gold-dark));
            color: var(--primary-dark) !important;
            box-shadow: var(--shadow-gold);
        }
        .btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 40px rgba(240,185,11,0.4); }
        .btn-hero-secondary {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            color: var(--text-primary) !important;
            backdrop-filter: blur(8px);
        }
        .btn-hero-secondary:hover { background: rgba(255,255,255,0.12); transform: translateY(-3px); }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 1.8rem; font-weight: 800; color: var(--accent); }
        .hero-stat .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }

        /* ===== Buttons ===== */
        .btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-md); font-weight: 600; font-size: 0.95rem; transition: all var(--transition); }
        .btn-primary { background: linear-gradient(135deg, var(--accent), var(--gold-dark)); color: var(--primary-dark) !important; box-shadow: var(--shadow-gold); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(240,185,11,0.35); }
        .btn-outline { background: transparent; border: 1px solid var(--border-light); color: var(--text-primary) !important; }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent) !important; background: rgba(240,185,11,0.06); }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition);
        }
        .card:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .card-img { border-radius: var(--radius-sm); overflow: hidden; margin: -28px -24px 20px; }
        .card-img img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.4s; }
        .card:hover .card-img img { transform: scale(1.05); }
        .card h3 { margin-bottom: 10px; }
        .card p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 16px; }
        .card-tag {
            display: inline-block;
            padding: 3px 12px;
            background: rgba(240, 185, 11, 0.1);
            border: 1px solid rgba(240, 185, 11, 0.2);
            border-radius: var(--radius-xl);
            color: var(--accent);
            font-size: 0.78rem;
            font-weight: 600;
        }

        /* ===== Category Cards ===== */
        .cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .cat-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            padding: 0;
        }
        .cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
        .cat-card .cat-img { width: 100%; height: 220px; object-fit: cover; }
        .cat-card .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(6,15,30,0.9) 0%, rgba(6,15,30,0.2) 60%, transparent 100%);
            z-index: 1;
        }
        .cat-card .cat-body { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px 22px; z-index: 2; }
        .cat-card .cat-body h3 { font-size: 1.25rem; margin-bottom: 6px; color: #fff; }
        .cat-card .cat-body p { font-size: 0.88rem; color: rgba(255,255,255,0.7); margin-bottom: 12px; }
        .cat-card .cat-body .btn { font-size: 0.82rem; padding: 7px 18px; }

        /* ===== Info / News List ===== */
        .news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .news-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition);
        }
        .news-item:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateX(4px); }
        .news-item .thumb {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--primary-light);
        }
        .news-item .info { flex: 1; min-width: 0; }
        .news-item .info h4 { font-size: 1rem; margin-bottom: 4px; font-weight: 600; }
        .news-item .info h4 a { color: var(--text-primary); }
        .news-item .info h4 a:hover { color: var(--accent); }
        .news-item .info p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-item .meta { display: flex; gap: 14px; font-size: 0.78rem; color: var(--text-muted); }
        .news-item .meta .cat { color: var(--accent); }

        /* ===== Stats / Numbers ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            transition: all var(--transition);
        }
        .stat-card:hover { background: var(--bg-card-hover); border-color: var(--accent); transform: translateY(-4px); }
        .stat-card .icon { font-size: 2rem; color: var(--accent); margin-bottom: 12px; }
        .stat-card .num { font-size: 2.2rem; font-weight: 800; color: var(--text-primary); }
        .stat-card .label { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }

        /* ===== Steps / Process ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .step-card {
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover { background: var(--bg-card-hover); transform: translateY(-4px); }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--accent), var(--gold-dark));
            border-radius: 50%;
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 1.2rem;
        }
        .step-card h4 { font-size: 1.05rem; margin-bottom: 8px; }
        .step-card p { font-size: 0.88rem; color: var(--text-muted); margin: 0; }
        .step-connector { display: none; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border-light); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover { background: rgba(240,185,11,0.04); }
        .faq-question i { color: var(--accent); transition: transform var(--transition); font-size: 0.85rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer { max-height: 400px; padding: 0 24px 20px; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-content { position: relative; z-index: 1; text-align: center; padding: 60px 0; }
        .cta-content h2 { margin-bottom: 16px; }
        .cta-content p { max-width: 560px; margin: 0 auto 32px; color: var(--text-secondary); }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo-text { font-size: 1.3rem; font-weight: 800; background: linear-gradient(135deg, #f0b90b, #fcd63a); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 12px; display: inline-block; }
        .footer-brand p { font-size: 0.9rem; color: var(--text-muted); max-width: 300px; }
        .footer-col h4 { font-size: 0.95rem; margin-bottom: 18px; color: var(--text-primary); }
        .footer-col a { display: block; padding: 5px 0; font-size: 0.88rem; color: var(--text-muted); transition: all var(--transition); }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-social { display: flex; gap: 14px; }
        .footer-social a { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(255,255,255,0.04); border: 1px solid var(--border-color); color: var(--text-muted); transition: all var(--transition); }
        .footer-social a:hover { background: rgba(240,185,11,0.1); border-color: var(--accent); color: var(--accent); }

        /* ===== Empty State ===== */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
        .empty-state i { font-size: 2.4rem; margin-bottom: 16px; opacity: 0.5; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .cat-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .news-list { grid-template-columns: 1fr; }
        }

        @media (max-width: 820px) {
            .nav-main { display: none; }
            .header-actions .btn-cta-nav { display: none; }
            .hamburger { display: flex; }
            .mobile-menu { display: block; }
            .hero { min-height: 80vh; padding: 100px 0 60px; }
            .hero-stats { gap: 24px; }
            .section { padding: 56px 0; }
            .cat-card .cat-img { height: 180px; }
        }

        @media (max-width: 520px) {
            :root { --header-height: 66px; }
            .header-logo { font-size: 1.15rem; }
            .header-logo .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
            .hero { min-height: 70vh; padding: 80px 0 40px; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.95rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-hero { width: 100%; justify-content: center; }
            .hero-stats { flex-direction: column; gap: 16px; padding-top: 24px; margin-top: 32px; }
            .hero-stat .num { font-size: 1.4rem; }
            .cat-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 20px 12px; }
            .stat-card .num { font-size: 1.5rem; }
            .steps-grid { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; }
            .news-item .thumb { width: 100%; height: 140px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section-title { margin-bottom: 30px; }
            .section-title h2 { font-size: 1.5rem; }
        }

        @media (min-width: 821px) {
            .mobile-menu { display: none !important; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .text-accent { color: var(--accent); }
        .mt-8 { margin-top: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .gap-8 { gap: 8px; }
        .gap-16 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

        /* Scrollbar */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--primary-dark); }
        ::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

        /* ===== Selection ===== */
        ::selection { background: var(--accent); color: var(--primary-dark); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7a;
            --accent: #f4a261;
            --bg-dark: #0a0f1e;
            --bg-card: #111827;
            --bg-section: #0f172a;
            --bg-light: #1e293b;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-color: #1e293b;
            --border-light: #334155;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-dark);
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            transition: var(--transition);
        }
        .header.scrolled {
            background: rgba(10, 15, 30, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.03em;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 900;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span {
            background: linear-gradient(135deg, var(--text-primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-main a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .nav-main a.active::after {
            display: none;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-cta .btn-outline {
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--border-light);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .header-cta .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(230, 57, 70, 0.1);
        }
        .header-cta .btn-primary {
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .header-cta .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.45);
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .mobile-toggle span {
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: var(--transition);
        }

        /* ===== Mobile Nav ===== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(10, 15, 30, 0.98);
            backdrop-filter: blur(20px);
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
            z-index: 999;
            flex-direction: column;
            gap: 8px;
            transform: translateY(-10px);
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }
        .mobile-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: all;
        }
        .mobile-nav a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-nav a.active {
            color: #fff;
            background: var(--primary);
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.92), rgba(15, 23, 42, 0.88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .hero-badges .badge {
            padding: 8px 20px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-badges .badge i {
            color: var(--accent);
        }
        .hero-badges .badge.highlight {
            background: rgba(230, 57, 70, 0.15);
            border-color: var(--primary);
            color: var(--primary-light);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 20px 0 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            justify-content: center;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: var(--text-muted);
        }
        .breadcrumb .sep {
            color: var(--border-light);
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-header h2 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .subtitle {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        /* ===== 赛事分类标签 ===== */
        .sport-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 48px;
        }
        .sport-tab {
            padding: 10px 24px;
            border-radius: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sport-tab:hover {
            border-color: var(--border-light);
            color: var(--text-primary);
            background: var(--bg-light);
        }
        .sport-tab.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .sport-tab i {
            font-size: 1rem;
        }

        /* ===== 赛事卡片网格 ===== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .event-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .event-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--bg-light);
        }
        .event-card .card-body {
            padding: 24px;
        }
        .event-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .event-card .card-tag.live {
            background: rgba(244, 162, 97, 0.15);
            color: var(--accent);
        }
        .event-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .event-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .event-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .event-card .card-meta i {
            color: var(--accent);
        }
        .event-card .card-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .event-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
        }
        .event-card .card-footer .odds {
            display: flex;
            gap: 12px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .event-card .card-footer .odds span {
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            color: var(--accent);
        }
        .event-card .btn-detail {
            padding: 6px 18px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .event-card .btn-detail:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 6px;
        }

        /* ===== 赛事流程 ===== */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            position: relative;
        }
        .flow-step {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .flow-step:hover {
            border-color: var(--border-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .flow-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .flow-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .flow-step p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: var(--transition);
            gap: 16px;
        }
        .faq-item .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(244, 162, 97, 0.06)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 15, 30, 0.75);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .cta-section .btn-primary {
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 36px rgba(230, 57, 70, 0.5);
        }
        .cta-section .btn-outline {
            padding: 13px 36px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--border-light);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(230, 57, 70, 0.1);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-top: 12px;
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-right: 10px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .events-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .nav-main {
                display: none;
            }
            .header-cta .btn-outline {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .mobile-nav {
                display: flex;
            }
            .page-hero {
                padding: 120px 0 60px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .flow-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .sport-tabs {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 8px;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
            }
            .sport-tab {
                flex-shrink: 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .hero-badges .badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .flow-grid {
                grid-template-columns: 1fr;
            }
            .event-card .card-body {
                padding: 18px;
            }
            .event-card .card-img {
                height: 160px;
            }
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== 工具类 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-12 {
            gap: 12px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .text-center {
            text-align: center;
        }
        .hidden {
            display: none !important;
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-dark: #0a0e1a;
            --bg-mid: #111827;
            --bg-card: #1a2233;
            --bg-surface: #1e293b;
            --text-light: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --border-color: #2a3a5c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 50px rgba(0,0,0,0.5);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== Header & Nav ===== */
        .header {
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(42, 58, 92, 0.4);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0 0;
            transition: background var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 24px;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .logo span { color: var(--primary); }
        .logo i { font-size: 1.4rem; color: var(--primary); }
        .nav-main { display: flex; align-items: center; gap: 6px; }
        .nav-main a {
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-main a:hover {
            color: var(--text-light);
            background: rgba(230, 57, 70, 0.12);
        }
        .nav-main a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
        }
        .nav-main a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.06); }
        @media (max-width: 868px) {
            .nav-main {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 30px;
                gap: 10px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 1.05rem;
            }
            .nav-toggle { display: block; }
        }
        @media (max-width: 480px) {
            .logo { font-size: 1.3rem; }
            .header-inner { height: 62px; }
            .nav-main { top: 62px; }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, rgba(10,14,26,0.92) 0%, rgba(17,24,39,0.88) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-bottom: 1px solid rgba(42,58,92,0.3);
            overflow: hidden;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 100px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            pointer-events: none;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-dim);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a { color: var(--text-muted); }
        .breadcrumb-nav a:hover { color: var(--primary-light); }
        .breadcrumb-nav .sep { color: var(--text-dim); font-size: 0.7rem; }
        .breadcrumb-nav .current { color: var(--text-light); font-weight: 500; }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: #fff;
            max-width: 900px;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .article-meta .badge {
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .article-meta i { margin-right: 6px; color: var(--primary-light); }
        @media (max-width: 768px) {
            .article-hero { padding: 50px 0 40px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-meta { gap: 10px 18px; font-size: 0.85rem; }
        }
        @media (max-width: 480px) {
            .article-hero h1 { font-size: 1.5rem; }
            .article-hero { padding: 36px 0 30px; }
        }

        /* ===== Article Body ===== */
        .article-body-section {
            padding: 60px 0 40px;
            background: var(--bg-dark);
        }
        .article-body-wrapper {
            max-width: 820px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            border: 1px solid rgba(42,58,92,0.25);
            box-shadow: var(--shadow-md);
        }
        .article-body-wrapper .content {
            font-size: 1.08rem;
            line-height: 1.9;
            color: var(--text-light);
        }
        .article-body-wrapper .content p {
            margin-bottom: 1.5rem;
        }
        .article-body-wrapper .content h2,
        .article-body-wrapper .content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
            color: #fff;
        }
        .article-body-wrapper .content h2 { font-size: 1.6rem; }
        .article-body-wrapper .content h3 { font-size: 1.3rem; }
        .article-body-wrapper .content ul,
        .article-body-wrapper .content ol {
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .article-body-wrapper .content li { margin-bottom: 0.5rem; }
        .article-body-wrapper .content a { color: var(--primary-light); text-decoration: underline; }
        .article-body-wrapper .content img { border-radius: var(--radius-md); margin: 1.8rem 0; box-shadow: var(--shadow-sm); }
        .article-body-wrapper .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.8rem 0;
            background: rgba(230,57,70,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-footer-meta {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(42,58,92,0.3);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-footer-meta .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-footer-meta .tag {
            background: rgba(230,57,70,0.1);
            color: var(--primary-light);
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid rgba(230,57,70,0.2);
            transition: all var(--transition);
        }
        .article-footer-meta .tag:hover { background: rgba(230,57,70,0.2); }
        .article-footer-meta .share-links {
            display: flex;
            gap: 10px;
        }
        .article-footer-meta .share-links a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: var(--text-muted);
            font-size: 1rem;
            transition: all var(--transition);
            border: 1px solid rgba(42,58,92,0.2);
        }
        .article-footer-meta .share-links a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .article-body-wrapper { padding: 28px 20px; }
            .article-body-wrapper .content { font-size: 1rem; }
            .article-footer-meta { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 480px) {
            .article-body-wrapper { padding: 20px 14px; border-radius: var(--radius-md); }
            .article-body-wrapper .content { font-size: 0.95rem; }
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-box i { font-size: 3rem; color: var(--text-dim); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 2rem; margin-bottom: 16px; color: var(--text-light); }
        .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found-box .btn {
            display: inline-block;
            padding: 12px 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 100px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .not-found-box .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(230,57,70,0.3); }

        /* ===== Related ===== */
        .related-section {
            padding: 50px 0 60px;
            background: var(--bg-mid);
        }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 36px;
            text-align: center;
            color: #fff;
        }
        .related-section .section-title span { color: var(--primary); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(42,58,92,0.2);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            border-color: rgba(230,57,70,0.3);
            box-shadow: 0 20px 50px rgba(0,0,0,0.4);
        }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-cat {
            font-size: 0.75rem;
            color: var(--primary-light);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .related-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title a { color: inherit; }
        .related-card .card-title a:hover { color: var(--primary-light); }
        .related-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .related-card .card-date {
            font-size: 0.8rem;
            color: var(--text-dim);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .related-card .card-date i { font-size: 0.7rem; }
        @media (max-width: 992px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 600px) {
            .related-grid { grid-template-columns: 1fr; }
            .related-section .section-title { font-size: 1.4rem; }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 64px 0 70px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 70%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 160%;
            height: 200%;
            background: radial-gradient(circle at 40% 60%, rgba(230,57,70,0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 100px;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 6px 30px rgba(230,57,70,0.3);
        }
        .cta-section .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(230,57,70,0.4);
            color: #fff;
        }
        .cta-section .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 1.05rem;
            border-radius: 100px;
            border: 2px solid rgba(255,255,255,0.15);
            transition: all var(--transition);
        }
        .cta-section .btn-outline-custom:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-3px);
            background: rgba(230,57,70,0.06);
        }
        @media (max-width: 600px) {
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
            .cta-section .btn-primary-custom,
            .cta-section .btn-outline-custom { width: 100%; justify-content: center; }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid rgba(42,58,92,0.2);
            padding: 56px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand .logo-text span { color: var(--primary); }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            color: var(--text-muted);
            font-size: 1.05rem;
            transition: all var(--transition);
            border: 1px solid rgba(42,58,92,0.2);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-col a i { width: 20px; margin-right: 6px; color: var(--primary-light); }
        .footer-bottom {
            border-top: 1px solid rgba(42,58,92,0.25);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-dim);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary-light); }
        @media (max-width: 868px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #f1948a;
            --secondary: #2c3e50;
            --secondary-light: #34495e;
            --accent: #f39c12;
            --bg-dark: #0b0f1a;
            --bg-card: #141a2b;
            --bg-section: #0f1422;
            --bg-light: #f8f9fa;
            --text-white: #ffffff;
            --text-light: #e0e0e0;
            --text-muted: #8899aa;
            --text-body: #1a1a2e;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: #e9ecef;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(231, 76, 60, 0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 80px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(11, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo-text {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-text span {
            font-weight: 300;
            -webkit-text-fill-color: var(--text-muted);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-main a {
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }

        .nav-main a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-main a.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: var(--shadow-glow);
        }

        .nav-main a.active::after {
            display: none;
        }

        .nav-cta {
            background: var(--primary) !important;
            color: var(--text-white) !important;
            padding: 10px 28px !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 20px rgba(231, 76, 60, 0.3);
        }

        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(231, 76, 60, 0.4) !important;
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            background: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }

            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(11, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                pointer-events: none;
            }

            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }

            .nav-main a {
                width: 100%;
                padding: 14px 20px;
                font-size: 1.05rem;
                border-radius: var(--radius-sm);
            }

            .nav-cta {
                margin-top: 8px;
                text-align: center;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(11, 15, 26, 0.92), rgba(20, 26, 43, 0.95)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 20% 80%, rgba(231, 76, 60, 0.08), transparent 60%);
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-banner h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .page-banner h1 span {
            color: var(--primary);
        }

        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .page-banner .badge-group {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            border: 1px solid var(--border-color);
        }

        .badge i {
            color: var(--primary);
        }

        .badge.primary {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }

        .badge.primary i {
            color: var(--text-white);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 120px 0 60px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.8rem;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-header h2 span {
            color: var(--primary);
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-header .line {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .section-header p {
                font-size: 1rem;
            }
        }

        /* ===== Sports Betting Intro ===== */
        .sports-intro {
            background: var(--bg-section);
        }

        .sports-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
        }

        .sport-card:hover {
            transform: translateY(-6px);
            border-color: rgba(231, 76, 60, 0.25);
            box-shadow: var(--shadow-glow);
        }

        .sport-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(231, 76, 60, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.8rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .sport-card:hover .icon-wrap {
            background: var(--primary);
            color: var(--text-white);
        }

        .sport-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .sport-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .sport-card .tag {
            display: inline-block;
            margin-top: 14px;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(231, 76, 60, 0.12);
            color: var(--primary);
        }

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

        @media (max-width: 520px) {
            .sports-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== How It Works ===== */
        .how-it-works {
            background: var(--bg-dark);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .step-card:hover {
            border-color: rgba(231, 76, 60, 0.2);
            box-shadow: var(--shadow-glow);
        }

        .step-card .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(231, 76, 60, 0.25);
        }

        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .step-card .step-arrow {
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 1.2rem;
            opacity: 0.3;
        }

        .step-card:last-child .step-arrow {
            display: none;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-card .step-arrow {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Hot Events ===== */
        .hot-events {
            background: var(--bg-section);
        }

        .events-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-4px);
            border-color: rgba(231, 76, 60, 0.2);
            box-shadow: var(--shadow-glow);
        }

        .event-card .event-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .event-card .event-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card .event-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .event-card .event-meta i {
            color: var(--primary);
            width: 16px;
        }

        .event-card .event-meta .league {
            background: rgba(231, 76, 60, 0.12);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.8rem;
        }

        .event-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .event-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            flex: 1;
        }

        .event-card .odds-row {
            display: flex;
            gap: 12px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
        }

        .event-card .odds-item {
            flex: 1;
            text-align: center;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
            cursor: default;
        }

        .event-card .odds-item .odds-value {
            display: block;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
            margin-top: 2px;
        }

        .event-card .odds-item:hover {
            border-color: var(--primary);
            background: rgba(231, 76, 60, 0.06);
        }

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

        /* ===== Advantages ===== */
        .advantages {
            background: var(--bg-dark);
        }

        .adv-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .adv-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
        }

        .adv-card:hover {
            transform: translateY(-4px);
            border-color: rgba(231, 76, 60, 0.2);
            box-shadow: var(--shadow-glow);
        }

        .adv-card .adv-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .adv-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .adv-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

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

        @media (max-width: 520px) {
            .adv-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(231, 76, 60, 0.06), rgba(44, 62, 80, 0.1)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 80px 0;
            position: relative;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(11, 15, 26, 0.7);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .cta-section h2 span {
            color: var(--primary);
        }

        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 20px rgba(231, 76, 60, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(231, 76, 60, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .btn {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

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

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: rgba(231, 76, 60, 0.15);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-white);
            font-size: 1.05rem;
            transition: var(--transition);
            user-select: none;
            gap: 12px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(231, 76, 60, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--primary);
            color: var(--text-white);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
        }

        .footer-brand .logo-text {
            font-size: 1.5rem;
            display: inline-block;
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.95rem;
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-col a i {
            width: 20px;
            color: var(--primary);
            margin-right: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .back-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        /* ===== Responsive Extras ===== */
        @media (max-width: 1024px) {
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .adv-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .sports-grid {
                grid-template-columns: 1fr;
            }
            .adv-grid {
                grid-template-columns: 1fr;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Focus visible for accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

/* roulang page: category3 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7a;
            --accent: #f4a261;
            --accent-glow: #e76f51;
            --bg-dark: #0b0e14;
            --bg-section: #11161f;
            --bg-card: #1a2230;
            --bg-card-hover: #1e2a3d;
            --bg-input: #0f1620;
            --text-light: #f1f5f9;
            --text-body: #c8d0da;
            --text-muted: #8896a8;
            --border-color: #2a3548;
            --border-glow: rgba(230, 57, 70, 0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 72px;
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(11, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(42, 53, 72, 0.5);
            z-index: 1000;
            transition: var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
        }
        .logo-text .logo-sub {
            font-weight: 400;
            font-size: 0.75rem;
            -webkit-text-fill-color: var(--text-muted);
            color: var(--text-muted);
            display: block;
            line-height: 1;
            letter-spacing: 1px;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-main a:hover {
            color: var(--text-light);
            background: rgba(230, 57, 70, 0.08);
        }
        .nav-main a.active {
            color: var(--text-light);
            background: rgba(230, 57, 70, 0.15);
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--primary) !important;
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
        }

        /* Mobile toggle */
        .nav-toggle {
            display: none;
            background: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            .nav-main {
                position: fixed;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: rgba(11, 14, 20, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-card);
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-main a {
                width: 100%;
                text-align: center;
                font-size: 1.05rem;
                padding: 12px 18px;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-main a.active {
                background: rgba(230, 57, 70, 0.2);
                border-left: 3px solid var(--primary);
            }
            .nav-cta {
                margin-top: 8px;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            margin-top: var(--header-h);
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #0b0e14 0%, #1a1115 40%, #0f1620 100%);
            position: relative;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12), transparent 70%);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-banner h1 span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 24px;
        }
        .page-banner .badge-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 12px;
        }
        .page-banner .badge-group .badge {
            background: rgba(230, 57, 70, 0.12);
            border: 1px solid rgba(230, 57, 70, 0.25);
            color: var(--text-light);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 80px 0 60px;
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.65rem;
            }
            .page-banner .badge-group .badge {
                font-size: 0.78rem;
                padding: 4px 14px;
            }
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-title h2 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-title p {
            color: var(--text-muted);
            max-width: 580px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 1.7rem;
            }
            .section-title p {
                font-size: 0.95rem;
            }
        }

        /* ===== Card ===== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(230, 57, 70, 0.25);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .card .card-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .card h3 {
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .card .badge {
            display: inline-block;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 500;
            margin-top: 12px;
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Button ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            border: none;
            background: var(--primary);
            color: #fff;
        }
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(230, 57, 70, 0.3);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--border-color);
            color: var(--text-light);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
            box-shadow: none;
        }
        .btn-lg {
            padding: 16px 44px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        /* ===== Badge / Tag ===== */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary-light);
            border: 1px solid rgba(230, 57, 70, 0.15);
        }
        .tag-gold {
            background: rgba(244, 162, 97, 0.12);
            color: var(--accent);
            border-color: rgba(244, 162, 97, 0.2);
        }
        .tag-green {
            background: rgba(46, 204, 113, 0.12);
            color: #2ecc71;
            border-color: rgba(46, 204, 113, 0.2);
        }
        .tag-blue {
            background: rgba(52, 152, 219, 0.12);
            color: #3498db;
            border-color: rgba(52, 152, 219, 0.2);
        }

        /* ===== Feature / Intro Block ===== */
        .intro-block {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .intro-block .intro-text {
            flex: 1;
        }
        .intro-block .intro-text h2 {
            font-size: 2rem;
            color: var(--text-light);
            margin-bottom: 16px;
            font-weight: 700;
        }
        .intro-block .intro-text p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 20px;
        }
        .intro-block .intro-text ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .intro-block .intro-text ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-body);
            font-size: 0.95rem;
        }
        .intro-block .intro-text ul li i {
            color: var(--primary);
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }
        .intro-block .intro-img {
            flex: 1;
            max-width: 500px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .intro-block .intro-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        @media (max-width: 860px) {
            .intro-block {
                flex-direction: column;
                gap: 28px;
            }
            .intro-block .intro-img {
                max-width: 100%;
                order: -1;
            }
            .intro-block .intro-text h2 {
                font-size: 1.6rem;
            }
        }

        /* ===== Game List ===== */
        .game-card {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .game-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(230, 57, 70, 0.2);
            transform: translateX(4px);
        }
        .game-card .game-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(230, 57, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .game-card .game-info {
            flex: 1;
        }
        .game-card .game-info h4 {
            font-size: 1rem;
            color: var(--text-light);
            font-weight: 600;
            margin-bottom: 2px;
        }
        .game-card .game-info span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .game-card .game-status {
            font-size: 0.78rem;
            padding: 4px 14px;
            border-radius: 100px;
            font-weight: 500;
            flex-shrink: 0;
        }
        .game-status.live {
            background: rgba(46, 204, 113, 0.15);
            color: #2ecc71;
        }
        .game-status.upcoming {
            background: rgba(244, 162, 97, 0.12);
            color: var(--accent);
        }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: rgba(230, 57, 70, 0.2);
            transform: translateY(-2px);
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.15);
        }
        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            cursor: pointer;
            text-align: left;
            border: none;
            gap: 12px;
        }
        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 240px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #11161f 0%, #1a1115 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: 80px 0;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            color: var(--text-light);
            margin-bottom: 16px;
            font-weight: 700;
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section {
                padding: 56px 0;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: #070a10;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-size: 1.4rem;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-top: 12px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 1rem;
            margin-right: 8px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-col a i {
            width: 20px;
            margin-right: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(42, 53, 72, 0.5);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }