/* roulang page: index */
:root {
            --primary: #8B0000;
            --primary-dark: #4A0007;
            --accent: #FFD700;
            --accent-warm: #FF9F00;
            --text: #FFFDF9;
            --text-muted: #FEF08A;
            --bg: #0F0C20;
            --bg-soft: #1C1C1E;
            --card-bg: rgba(28, 28, 30, 0.92);
            --border: rgba(255, 215, 0, 0.25);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px rgba(255, 215, 0, 0.15);
            --font: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-warm); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: 70px 0; position: relative; }
        .section-alt { background: rgba(74, 0, 7, 0.35); }
        .section-title { font-size: 2.2rem; font-weight: 800; color: var(--text); margin-bottom: 12px; line-height: 1.25; letter-spacing: -0.5px; }
        .section-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 720px; line-height: 1.6; }
        .text-accent { color: var(--accent); }
        .badge { display: inline-block; padding: 6px 14px; border-radius: 50px; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; }
        .badge-gold { background: rgba(255, 215, 0, 0.15); color: var(--accent); border: 1px solid rgba(255, 215, 0, 0.4); }
        .badge-red { background: rgba(139, 0, 0, 0.7); color: #fff; border: 1px solid var(--accent); }
        .btn { display: inline-block; padding: 13px 28px; border-radius: 50px; font-weight: 700; font-size: 0.95rem; cursor: pointer; transition: var(--transition); text-align: center; border: 2px solid transparent; line-height: 1.4; }
        .btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-warm)); color: #1a1a1a; box-shadow: 0 6px 20px rgba(255, 215, 0, 0.35); }
        .btn-primary:hover { background: linear-gradient(135deg, var(--accent-warm), var(--accent)); color: #1a1a1a; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255, 215, 0, 0.5); }
        .btn-outline { background: transparent; color: var(--accent); border-color: var(--accent); }
        .btn-outline:hover { background: rgba(255, 215, 0, 0.1); color: var(--accent-warm); border-color: var(--accent-warm); transform: translateY(-2px); }
        .btn-dark { background: var(--bg-soft); color: var(--text); border-color: rgba(255, 255, 255, 0.2); }
        .btn-dark:hover { background: #2a2a2e; border-color: var(--accent); color: var(--accent); }
        .btn-sm { padding: 9px 18px; font-size: 0.85rem; }

        /* Header / Nav */
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(15, 12, 32, 0.96); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255, 215, 0, 0.2); }
        .nav-wrapper { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 16px; }
        .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--text); line-height: 1.3; }
        .logo-icon { width: 42px; height: 42px; background: linear-gradient(135deg, var(--accent), var(--accent-warm)); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #1a1a1a; font-size: 1.2rem; flex-shrink: 0; box-shadow: 0 4px 12px rgba(255, 215, 0, 0.35); }
        .logo span { font-size: 0.95rem; }
        .nav-links { display: flex; align-items: center; gap: 8px; list-style: none; margin: 0; }
        .nav-links a { display: block; padding: 8px 16px; border-radius: 50px; color: var(--text); font-weight: 600; font-size: 0.9rem; transition: var(--transition); }
        .nav-links a:hover { background: rgba(255, 215, 0, 0.1); color: var(--accent); }
        .nav-links a.active { background: rgba(255, 215, 0, 0.18); color: var(--accent); }
        .nav-auth { display: flex; align-items: center; gap: 10px; }
        .nav-auth .btn-login { padding: 8px 16px; color: var(--text); font-weight: 600; font-size: 0.9rem; border-radius: 50px; transition: var(--transition); }
        .nav-auth .btn-login:hover { color: var(--accent); }
        .nav-auth .btn-signup { padding: 10px 20px; background: linear-gradient(135deg, var(--accent), var(--accent-warm)); color: #1a1a1a; font-weight: 700; font-size: 0.9rem; border-radius: 50px; transition: var(--transition); box-shadow: 0 4px 14px rgba(255, 215, 0, 0.4); }
        .nav-auth .btn-signup:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(255, 215, 0, 0.55); color: #1a1a1a; }
        .nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.6rem; cursor: pointer; padding: 4px 8px; }
        .mobile-menu { display: none; flex-direction: column; gap: 4px; padding: 16px 0; border-top: 1px solid rgba(255, 215, 0, 0.2); }
        .mobile-menu a { padding: 12px 16px; border-radius: 10px; color: var(--text); font-weight: 600; }
        .mobile-menu a.active { background: rgba(255, 215, 0, 0.18); color: var(--accent); }
        .mobile-menu .nav-auth { flex-direction: column; gap: 8px; padding: 8px 0; }

        /* Hero - Lead gen question style */
        .hero { padding: 70px 0 80px; background: linear-gradient(135deg, var(--primary-dark) 0%, #1a0508 40%, var(--bg) 100%); position: relative; overflow: hidden; }
        .hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat; opacity: 0.15; pointer-events: none; }
        .hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .hero-left { text-align: left; }
        .hero-left .badge { margin-bottom: 16px; }
        .hero-title { font-size: 2.7rem; font-weight: 900; line-height: 1.2; color: var(--text); margin-bottom: 18px; letter-spacing: -0.5px; }
        .hero-title .highlight { color: var(--accent); }
        .hero-desc { font-size: 1.05rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 24px; max-width: 540px; }
        .hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
        .hero-stats { display: flex; gap: 24px; margin-top: 28px; flex-wrap: wrap; }
        .stat-item { display: flex; flex-direction: column; }
        .stat-value { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
        .stat-label { font-size: 0.8rem; color: var(--text-muted); }
        .hero-right { position: relative; z-index: 2; }
        .hero-form-card { background: var(--card-bg); border: 1px solid rgba(255, 215, 0, 0.3); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
        .hero-form-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; color: var(--text); }
        .hero-form-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 20px; }
        .form-group { margin-bottom: 14px; }
        .form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text); }
        .form-group input, .form-group select { width: 100%; padding: 11px 16px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.06); color: var(--text); font-size: 0.95rem; transition: var(--transition); }
        .form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15); }
        .form-group input::placeholder { color: rgba(255, 255, 255, 0.4); }
        .form-note { font-size: 0.78rem; color: rgba(255, 255, 255, 0.5); margin-top: 12px; text-align: center; }

        /* Commission Highlights */
        .commission-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 36px; }
        .commission-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: var(--transition); position: relative; overflow: hidden; }
        .commission-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); border-color: var(--accent); }
        .commission-card .icon-wrap { width: 52px; height: 52px; border-radius: 14px; background: rgba(255, 215, 0, 0.12); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--accent); margin-bottom: 16px; }
        .commission-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
        .commission-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }
        .commission-card .highlight-num { font-size: 1.8rem; font-weight: 800; color: var(--accent); display: block; margin-top: 12px; }

        /* Promotion Materials */
        .promo-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-top: 36px; }
        .promo-text h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 14px; color: var(--text); }
        .promo-text p { color: var(--text-muted); line-height: 1.7; margin-bottom: 18px; }
        .promo-list { list-style: none; padding: 0; margin: 0 0 20px; }
        .promo-list li { padding: 10px 0; border-bottom: 1px solid rgba(255, 215, 0, 0.15); display: flex; align-items: center; gap: 10px; font-size: 0.95rem; color: var(--text); }
        .promo-list li i { color: var(--accent); font-size: 1rem; }
        .promo-visual { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
        .promo-visual img { width: 100%; height: 320px; object-fit: cover; transition: var(--transition); }
        .promo-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(74, 0, 7, 0.7), transparent); }
        .promo-visual:hover img { transform: scale(1.05); }

        /* Live Stream Teaser */
        .live-teaser { background: linear-gradient(135deg, var(--primary-dark), #1a0508); border-radius: var(--radius); padding: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; border: 1px solid rgba(255, 215, 0, 0.3); margin-top: 36px; box-shadow: var(--shadow); }
        .live-teaser .live-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255, 0, 0, 0.8); color: #fff; padding: 6px 14px; border-radius: 50px; font-weight: 700; font-size: 0.8rem; animation: pulse-red 2s infinite; }
        @keyframes pulse-red { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
        .live-teaser h3 { font-size: 1.4rem; font-weight: 800; margin: 14px 0 8px; }
        .live-teaser p { color: var(--text-muted); margin-bottom: 16px; }
        .live-points { list-style: none; padding: 0; margin: 0 0 20px; }
        .live-points li { padding: 8px 0; display: flex; align-items: center; gap: 10px; font-size: 0.92rem; }
        .live-points li i { color: var(--accent); }
        .live-cover { border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow); }
        .live-cover img { width: 100%; height: 260px; object-fit: cover; }

        /* News/Content List */
        .news-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px; margin-top: 36px; }
        .news-list { display: flex; flex-direction: column; gap: 14px; }
        .news-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px 20px; transition: var(--transition); }
        .news-item:hover { border-color: var(--accent); transform: translateX(4px); }
        .news-item .news-meta { display: flex; gap: 14px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }
        .news-item h4 { font-size: 1.05rem; font-weight: 700; margin: 0; }
        .news-item h4 a { color: var(--text); }
        .news-item h4 a:hover { color: var(--accent); }
        .news-item p { font-size: 0.88rem; color: var(--text-muted); margin: 6px 0 0; }
        .news-sidebar { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
        .news-sidebar h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; color: var(--text); }
        .sidebar-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid rgba(255, 215, 0, 0.12); align-items: center; }
        .sidebar-item:last-child { border-bottom: none; }
        .sidebar-item img { width: 56px; height: 56px; border-radius: 10px; object-fit: cover; flex-shrink: 0; }
        .sidebar-item .sidebar-text h5 { font-size: 0.9rem; font-weight: 600; margin: 0; line-height: 1.3; }
        .sidebar-item .sidebar-text h5 a { color: var(--text); }
        .sidebar-item .sidebar-text h5 a:hover { color: var(--accent); }
        .sidebar-item .sidebar-text span { font-size: 0.78rem; color: var(--text-muted); }

        /* Security System */
        .security-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; margin-top: 36px; }
        .security-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; text-align: left; transition: var(--transition); }
        .security-card:hover { border-color: var(--accent); box-shadow: var(--shadow-glow); }
        .security-card i { font-size: 2rem; color: var(--accent); margin-bottom: 12px; display: block; }
        .security-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
        .security-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

        /* FAQ */
        .faq-list { max-width: 820px; margin: 36px auto 0; }
        .faq-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--accent); }
        .faq-question { padding: 18px 22px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 1rem; color: var(--text); }
        .faq-question i { transition: var(--transition); color: var(--accent); }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
        .faq-answer-inner { padding: 0 22px 18px; font-size: 0.92rem; color: var(--text-muted); line-height: 1.7; }

        /* Version Update */
        .changelog { margin-top: 36px; border-left: 3px solid var(--accent); padding-left: 28px; }
        .changelog-item { margin-bottom: 24px; }
        .changelog-item .version-badge { display: inline-block; background: rgba(255, 215, 0, 0.15); color: var(--accent); padding: 3px 12px; border-radius: 50px; font-size: 0.78rem; font-weight: 700; margin-bottom: 6px; }
        .changelog-item h4 { font-size: 1.05rem; font-weight: 700; margin: 4px 0 6px; }
        .changelog-item p { font-size: 0.88rem; color: var(--text-muted); }

        /* Focus Topics */
        .topic-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-top: 36px; }
        .topic-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
        .topic-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-glow); border-color: var(--accent); }
        .topic-card img { width: 100%; height: 180px; object-fit: cover; }
        .topic-card .topic-body { padding: 20px; }
        .topic-card .topic-tag { display: inline-block; font-size: 0.75rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
        .topic-card h4 { font-size: 1.1rem; font-weight: 700; margin: 4px 0 8px; }
        .topic-card h4 a { color: var(--text); }
        .topic-card h4 a:hover { color: var(--accent); }
        .topic-card p { font-size: 0.88rem; color: var(--text-muted); }

        /* Floating CTA Bar */
        .floating-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 90; background: rgba(15, 12, 32, 0.97); backdrop-filter: blur(16px); border-top: 1px solid rgba(255, 215, 0, 0.3); padding: 12px 0; transform: translateY(100%); transition: transform 0.4s ease; }
        .floating-cta.visible { transform: translateY(0); }
        .floating-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
        .floating-cta p { margin: 0; font-size: 0.9rem; color: var(--text-muted); flex: 1; min-width: 200px; }
        .floating-cta .btn { flex-shrink: 0; }

        /* FAB */
        .fab { position: fixed; left: 16px; bottom: 90px; z-index: 80; width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--primary-dark), #1a0508); border: 3px solid var(--accent); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; cursor: pointer; box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3); transition: var(--transition); animation: float-fab 3s ease-in-out infinite; }
        .fab:hover { transform: scale(1.1); opacity: 1; box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5); }
        @keyframes float-fab { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
        .fab .notification-dot { position: absolute; top: -4px; right: -4px; width: 14px; height: 14px; background: #ff0000; border-radius: 50%; border: 2px solid var(--bg); animation: blink-dot 1.5s infinite; }
        @keyframes blink-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

        /* Footer */
        .site-footer { background: var(--primary-dark); border-top: 2px solid rgba(255, 215, 0, 0.3); padding: 50px 0 90px; margin-top: 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 32px; }
        .footer-brand .logo { margin-bottom: 14px; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
        .footer-col h4 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; color: var(--text); }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { font-size: 0.88rem; color: var(--text-muted); transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255, 215, 0, 0.2); margin-top: 32px; padding-top: 20px; text-align: center; font-size: 0.82rem; color: rgba(255, 255, 255, 0.5); }
        .footer-bottom a { color: var(--accent); }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content { grid-template-columns: 1fr; gap: 32px; }
            .hero-title { font-size: 2.2rem; }
            .promo-wrapper { grid-template-columns: 1fr; }
            .live-teaser { grid-template-columns: 1fr; }
            .news-layout { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-auth { display: none; }
            .nav-toggle { display: block; }
            .mobile-menu.active { display: flex; }
            .section { padding: 50px 0; }
            .section-title { font-size: 1.8rem; }
            .hero { padding: 50px 0 60px; }
            .hero-title { font-size: 1.8rem; }
            .hero-desc { font-size: 0.95rem; }
            .hero-stats { gap: 16px; }
            .stat-value { font-size: 1.3rem; }
            .commission-grid { grid-template-columns: 1fr; }
            .security-grid { grid-template-columns: 1fr; }
            .topic-grid { grid-template-columns: 1fr; }
            .floating-cta-inner { flex-direction: column; text-align: center; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .fab { left: 12px; bottom: 80px; width: 50px; height: 50px; font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-title { font-size: 1.5rem; }
            .hero-form-card { padding: 20px; }
            .btn { padding: 11px 22px; font-size: 0.85rem; }
            .stat-item { min-width: 45%; }
            .live-teaser { padding: 24px; }
            .floating-cta p { font-size: 0.8rem; }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9DB8A5;
            --border-gold: rgba(255, 215, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --font-primary: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-section: 70px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: #FFE55C;
        }

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

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 2px;
        }

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

        /* ============ HEADER & NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 2px 15px rgba(0,0,0,0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 70px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-white);
            flex-shrink: 0;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-bg);
            font-size: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            box-shadow: var(--shadow-gold);
        }

        .logo span {
            font-weight: 700;
            font-size: 1.05rem;
            line-height: 1.25;
            color: var(--text-white);
        }

        .logo span small {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-muted);
            display: block;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 8px;
            margin: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 50px;
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--text-white);
            background: rgba(255, 215, 0, 0.1);
        }

        .nav-links li a.active {
            color: var(--primary-bg);
            background: var(--accent-gold);
            font-weight: 600;
            box-shadow: var(--shadow-gold);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-login {
            color: var(--text-mint);
            font-weight: 500;
            padding: 8px 14px;
            font-size: 0.9rem;
            text-decoration: none;
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-login:hover {
            color: var(--accent-gold);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-signup {
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 10px 20px;
            font-size: 0.9rem;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
        }

        .nav-signup:hover {
            background: #FFE55C;
            color: var(--primary-bg);
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(255, 215, 0, 0.5);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: 2px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 1.4rem;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            padding: 150px 0 90px;
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 45%, #0D3620 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(255, 215, 0, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-red);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-white);
        }

        .hero h1 .highlight {
            color: var(--accent-gold);
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.4);
        }

        .hero p {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 28px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: #FFE55C;
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            color: var(--primary-bg);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
            border: 2px solid var(--border-gold);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 35px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

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

        .hero-visual-card {
            background: rgba(18, 62, 37, 0.85);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-md);
            position: relative;
            width: 100%;
            max-width: 420px;
        }

        .hero-visual-card::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 30px;
            right: 30px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            border-radius: 3px;
        }

        .hero-visual-card .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(211, 47, 47, 0.2);
            color: #FF6B6B;
            font-weight: 600;
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: 20px;
            margin-bottom: 18px;
        }

        .hero-visual-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-white);
        }

        .hero-visual-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hero-visual-card ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-mint);
            font-size: 0.95rem;
        }

        .hero-visual-card ul li:last-child {
            border-bottom: none;
        }

        .hero-visual-card ul li i {
            color: var(--accent-gold);
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

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

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

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 650px;
            line-height: 1.6;
        }

        .section-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* ============ METRICS DASHBOARD ============ */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 25px 20px;
            text-align: left;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
        }

        .metric-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            margin-bottom: 14px;
        }

        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .metric-card .metric-value span {
            font-size: 1.2rem;
            color: var(--accent-gold);
        }

        .metric-card .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============ SERVICE MATRIX ============ */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 30px 25px;
            transition: var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .service-card .service-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 215, 0, 0.05));
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            margin-bottom: 18px;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 15px;
            flex-grow: 1;
        }

        .service-card .service-link {
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
            transition: var(--transition);
        }

        .service-card .service-link:hover {
            gap: 10px;
            color: #FFE55C;
        }

        /* ============ COMPARISON ============ */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
        }

        .comparison-card {
            border-radius: var(--radius-md);
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .comparison-card.safe {
            background: rgba(18, 62, 37, 0.8);
            border-color: rgba(255, 215, 0, 0.4);
        }

        .comparison-card.warning {
            background: rgba(80, 20, 20, 0.6);
            border-color: rgba(211, 47, 47, 0.5);
        }

        .comparison-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-card.safe h3 {
            color: var(--accent-gold);
        }

        .comparison-card.warning h3 {
            color: #FF6B6B;
        }

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

        .comparison-card ul li {
            padding: 9px 0;
            color: var(--text-mint);
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .comparison-card.safe ul li i {
            color: #4CAF50;
            margin-top: 3px;
        }

        .comparison-card.warning ul li i {
            color: var(--accent-red);
            margin-top: 3px;
        }

        /* ============ STEPS ============ */
        .steps-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-item {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 25px 20px;
            position: relative;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: var(--accent-gold);
            transform: translateY(-3px);
        }

        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--primary-bg);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 14px;
            box-shadow: var(--shadow-gold);
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

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

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }

        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-white);
            font-size: 1rem;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            transition: var(--transition);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--accent-gold);
            font-size: 0.85rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item summary:hover {
            background: rgba(255, 215, 0, 0.05);
        }

        .faq-item .faq-content {
            padding: 0 22px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #123E25 0%, #0A2E1C 100%);
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 40px;
            align-items: center;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 0;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #072315;
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 25px;
            text-align: center;
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }

        .footer-bottom a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 500;
        }

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

        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 99;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A, #0D0D0D);
            border: 3px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            text-decoration: none;
            box-shadow: var(--shadow-gold);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
            transition: var(--transition);
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.15);
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.5);
            color: var(--accent-gold);
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid var(--primary-bg);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero h1 {
                font-size: 2.3rem;
            }

            .hero-visual {
                justify-content: flex-start;
            }

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

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .cta-inner {
                grid-template-columns: 1fr;
                text-align: left;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                min-height: 60px;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: var(--shadow-md);
                display: none;
                z-index: 99;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links li {
                width: 100%;
            }

            .nav-links li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
            }

            .nav-auth {
                gap: 6px;
            }

            .nav-login, .nav-signup {
                padding: 8px 12px;
                font-size: 0.8rem;
            }

            .hero {
                padding: 110px 0 60px;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero p {
                font-size: 0.95rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat .number {
                font-size: 1.4rem;
            }

            .section {
                padding: 50px 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .service-matrix {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .steps-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .cta-section {
                padding: 50px 0;
            }

            .cta-inner h2 {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 14px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .hero h1 {
                font-size: 1.5rem;
            }

            .hero-visual-card {
                padding: 20px;
            }

            .hero-visual-card h3 {
                font-size: 1.1rem;
            }

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

            .metric-card {
                padding: 18px 16px;
            }

            .metric-card .metric-value {
                font-size: 1.5rem;
            }

            .nav-login, .nav-signup {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: rgba(10, 46, 28, 0.82);
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: rgba(209, 242, 235, 0.68);
            --border-gold: rgba(255, 215, 0, 0.38);
            --shadow-gold: 0 12px 32px rgba(255, 215, 0, 0.12);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --space-section: 72px;
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1180px;
            --reading-width: 760px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 22px;
        }

        .reading-container {
            width: 100%;
            max-width: var(--reading-width);
            margin: 0 auto;
            padding: 0 22px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            padding: 12px 0;
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-size: 1.35rem;
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.25), 0 6px 18px rgba(255, 215, 0, 0.35);
            flex-shrink: 0;
        }

        .logo span {
            font-weight: 800;
            font-size: 1rem;
            line-height: 1.3;
            color: var(--text-white);
            letter-spacing: 0.02em;
        }

        .logo small {
            display: block;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 18px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-mint);
            padding: 8px 14px;
            border-radius: 50px;
            position: relative;
            transition: color var(--transition), background var(--transition), transform var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            transform: translateY(-1px);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            border-radius: 50px;
            background: var(--accent-gold);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-mint);
            background: transparent;
            border: none;
            padding: 8px 14px;
            border-radius: 50px;
            cursor: pointer;
            transition: color var(--transition), background var(--transition);
            letter-spacing: 0.01em;
        }

        .btn-login:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-signup {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            border: none;
            padding: 10px 20px;
            border-radius: 50px;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.35);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(255, 215, 0, 0.48);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: rgba(255, 215, 0, 0.08);
        }

        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 50px;
            transition: transform var(--transition), opacity var(--transition);
        }

        /* Article Layout */
        .article-page {
            padding-top: 110px;
            padding-bottom: 70px;
            min-height: 70vh;
        }

        .article-hero {
            position: relative;
            padding: 40px 0 28px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.16);
            margin-bottom: 40px;
            background: radial-gradient(ellipse at 20% 0%, rgba(255, 215, 0, 0.08), transparent 55%);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--accent-gold);
            font-weight: 600;
        }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: rgba(255, 215, 0, 0.5);
        }

        .article-hero h1 {
            font-size: clamp(1.85rem, 4.2vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.95rem;
        }

        .article-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.14);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: 50px;
            border: 1px solid rgba(255, 215, 0, 0.3);
            letter-spacing: 0.02em;
        }

        .article-cover {
            margin-bottom: 36px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
            border: 1px solid var(--border-gold);
            position: relative;
        }

        .article-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/7.5;
        }

        .article-content {
            color: var(--text-mint);
            font-size: 1.06rem;
            line-height: 1.7;
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            margin: 40px 0 16px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 32px 0 12px;
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px 26px;
            padding-left: 0;
        }

        .article-content li {
            margin-bottom: 10px;
            position: relative;
        }

        .article-content ul li::marker {
            color: var(--accent-gold);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.07);
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-mint);
        }

        .article-content strong {
            color: var(--text-white);
            font-weight: 700;
        }

        .article-content a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: 600;
        }

        .article-content a:hover {
            color: #FFE44D;
        }

        .article-content img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            border: 1px solid var(--border-gold);
        }

        .article-not-found {
            text-align: center;
            padding: 70px 0;
            color: var(--text-muted);
        }

        .article-not-found i {
            font-size: 3.5rem;
            color: var(--accent-gold);
            margin-bottom: 22px;
            display: block;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .article-not-found p {
            margin-bottom: 28px;
        }

        .btn-back-home {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-primary);
            font-weight: 800;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.35);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 215, 0, 0.48);
            color: var(--bg-primary);
        }

        /* CTA Section */
        .article-cta {
            margin-top: 50px;
            background: linear-gradient(135deg, rgba(18, 62, 37, 0.95), rgba(10, 46, 28, 0.95));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 36px 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-gold);
        }

        .article-cta .cta-text h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .article-cta .cta-text p {
            color: var(--text-muted);
            margin: 0;
            font-size: 0.95rem;
        }

        .article-cta .btn-cta {
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-primary);
            font-weight: 800;
            padding: 13px 30px;
            border-radius: 50px;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.35);
            display: inline-block;
        }

        .article-cta .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 215, 0, 0.5);
            color: var(--bg-primary);
        }

        /* Related Articles */
        .related-section {
            margin-top: 70px;
            padding-top: 50px;
            border-top: 1px solid rgba(255, 215, 0, 0.16);
        }

        .related-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 28px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(255, 215, 0, 0.65);
        }

        .related-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            aspect-ratio: 16/8;
        }

        .related-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
        }

        .related-card .card-tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            padding: 4px 12px;
            border-radius: 50px;
            align-self: flex-start;
        }

        .related-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.4;
        }

        .related-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
            flex: 1;
        }

        .related-card .card-link {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .related-card .card-link i {
            transition: transform var(--transition);
        }

        .related-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 90px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E, #0A0A0B);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.35rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: transform var(--transition), opacity var(--transition), box-shadow var(--transition);
            animation: fabBreath 3s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-support:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.55);
            color: var(--accent-gold);
            animation-play-state: paused;
        }

        .fab-support:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-support .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF0040;
            border: 2px solid var(--bg-primary);
            animation: dotBlink 1.6s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Footer */
        .site-footer {
            background: #072014;
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 44px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo span {
            font-size: 0.95rem;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.14);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-bottom a {
            color: var(--accent-gold);
            font-weight: 600;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --space-section: 56px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .article-page {
                padding-top: 100px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 22px 28px;
                gap: 8px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
                transform: translateY(-120%);
                transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
                pointer-events: none;
            }

            .nav-links.open {
                transform: translateY(0);
                pointer-events: auto;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }

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

            .hamburger {
                display: flex;
            }

            .nav-auth {
                margin-left: auto;
            }

            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .btn-login {
                font-size: 0.85rem;
                padding: 8px 10px;
            }

            .article-page {
                padding-top: 92px;
                padding-bottom: 50px;
            }

            .article-hero h1 {
                font-size: 1.7rem;
            }

            .article-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 22px;
            }

            .article-cta .btn-cta {
                width: 100%;
                text-align: center;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .fab-support {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container,
            .reading-container {
                padding: 0 16px;
            }

            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1.15rem;
            }

            .logo span {
                font-size: 0.88rem;
            }

            .btn-signup {
                padding: 7px 13px;
                font-size: 0.8rem;
            }

            .btn-login {
                font-size: 0.8rem;
                padding: 7px 8px;
            }

            .article-hero h1 {
                font-size: 1.5rem;
            }

            .article-content {
                font-size: 1rem;
            }

            .article-content h2 {
                font-size: 1.35rem;
            }

            .article-content h3 {
                font-size: 1.15rem;
            }

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

            .article-cover img {
                aspect-ratio: 16/10;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: #151230;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-glow: rgba(0, 240, 255, 0.3);
            --border-lime: rgba(204, 255, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.4);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-white);
            font-family: var(--font-body);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent-lime);
        }

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

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

        /* Header / Navigation */
        .site-header {
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.05rem;
            line-height: 1.3;
            color: var(--text-white);
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-neon);
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 50px;
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }

        .nav-links a:hover {
            color: var(--text-white);
            border-color: var(--border-glow);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            font-weight: 700;
            border-color: transparent;
            box-shadow: var(--shadow-neon);
        }

        /* Hero Section */
        .hero {
            padding: 60px 0 40px;
            position: relative;
            background: radial-gradient(ellipse at 20% 20%, rgba(0, 240, 255, 0.12), transparent 60%),
                        radial-gradient(ellipse at 80% 80%, rgba(204, 255, 0, 0.1), transparent 60%);
        }

        .hero-bento {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .hero-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-glow);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .hero-main::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-lime);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid var(--border-lime);
        }

        .hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            color: var(--text-silver);
            font-size: 1.1rem;
            margin-bottom: 24px;
            max-width: 600px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--bg-primary);
            box-shadow: var(--shadow-neon);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
            color: var(--bg-primary);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-cyan);
            border: 2px solid var(--accent-cyan);
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            transform: translateY(-2px);
            color: var(--accent-cyan);
        }

        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-side-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-glow);
            box-shadow: var(--shadow-card);
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

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

        .hero-side-card p {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        .hero-side-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            margin-bottom: 4px;
        }

        .hero-cta-bar {
            margin-top: 24px;
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.1), rgba(0, 240, 255, 0.1));
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-cta-bar p {
            color: var(--text-silver);
            margin: 0;
            font-size: 0.95rem;
        }

        .hero-cta-bar .btn {
            flex-shrink: 0;
        }

        /* Section Common */
        .section {
            padding: 50px 0;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-tag {
            display: inline-block;
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            color: var(--text-silver);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.7;
        }

        /* Metrics Dashboard */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

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

        .metric-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }

        .metric-icon {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            display: block;
            margin-bottom: 4px;
        }

        .metric-label {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Service Matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-glow);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition-base);
        }

        .service-card:hover {
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-lime);
            transform: translateY(-3px);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .service-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .service-content p {
            color: var(--text-silver);
            font-size: 0.92rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Comparison Table */
        .comparison-wrapper {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-glow);
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .comparison-table th {
            text-align: left;
            padding: 14px 16px;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.9rem;
            border-bottom: 2px solid var(--border-glow);
        }

        .comparison-table td {
            padding: 14px 16px;
            color: var(--text-silver);
            border-bottom: 1px solid rgba(166, 172, 175, 0.15);
            font-size: 0.9rem;
        }

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

        .comparison-table .positive {
            color: var(--accent-lime);
            font-weight: 600;
        }

        .comparison-table .negative {
            color: #FF6B6B;
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border-glow);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--accent-cyan);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            color: var(--text-white);
            font-size: 1rem;
            gap: 12px;
        }

        .faq-question .fa-chevron-down {
            color: var(--accent-cyan);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .fa-chevron-down {
            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-silver);
            font-size: 0.95rem;
            line-height: 1.7;
        }

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

        /* CTA Form */
        .cta-section {
            background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.15), transparent 70%),
                        radial-gradient(ellipse at 30% 70%, rgba(204, 255, 0, 0.1), transparent 60%);
            padding: 60px 0;
        }

        .cta-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .cta-card h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .cta-card p {
            color: var(--text-silver);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cta-form input {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-white);
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition-base);
        }

        .cta-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: #0A0815;
            border-top: 1px solid var(--border-glow);
            padding: 40px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(166, 172, 175, 0.15);
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

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

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

        /* FAB - Cyber & Neon Style */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.6;
            transition: var(--transition-base);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fabBreathe 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
            transform: scale(1.1);
            color: var(--accent-lime);
        }

        .fab:active {
            transform: scale(0.95);
            border-color: var(--accent-lime);
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blinkNeon 1.2s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.85; }
        }

        @keyframes blinkNeon {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr;
            }
            .hero-side {
                flex-direction: row;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-main {
                padding: 24px;
            }
            .hero-side {
                flex-direction: column;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
            }
            .nav-links a {
                white-space: nowrap;
            }
            .hero-cta-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .hero {
                padding: 30px 0 20px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .section {
                padding: 30px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .cta-card {
                padding: 24px;
            }
            .comparison-wrapper {
                padding: 16px;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }