/* roulang page: index */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242426;
            --bg-card: #1a1a1c;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #A08040;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #9A9A9E;
            --text-soft: #B8B8BC;
            --border-subtle: #2C2C2E;
            --border-gold: #C5A05940;
            --shadow-card: 0 2px 16px rgba(0,0,0,0.35);
            --shadow-hover: 0 8px 32px rgba(197,160,89,0.18);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 48px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        img { max-width: 100%; height: auto; display: block; }
        button, .btn { cursor: pointer; font-family: var(--font-body); }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.4rem; }
        p { color: var(--text-soft); line-height: 1.65; }
        .container { max-width: 1200px; padding-left: 20px; padding-right: 20px; margin: 0 auto; }
        .container-narrow { max-width: 960px; }
        .section { padding: var(--section-gap) 0; }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-gold);
            background: rgba(197,160,89,0.1);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            border: 1px solid var(--border-gold);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 32px;
            line-height: 1.6;
        }
        /* Navbar */
        .navbar-custom {
            background: rgba(18,18,18,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: all var(--transition-smooth);
        }
        .navbar-custom .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-custom .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #121212;
            font-weight: 900;
        }
        .navbar-custom .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            margin: 0 2px;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold);
            background: rgba(197,160,89,0.08);
        }
        .navbar-custom .nav-link.active { font-weight: 600; }
        .btn-login {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 18px;
            background: transparent;
            border: none;
            transition: color var(--transition-fast);
        }
        .btn-login:hover { color: var(--accent-gold); }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 50px;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 12px rgba(197,160,89,0.3);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(197,160,89,0.45);
            color: #121212;
        }
        .navbar-toggler { border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); padding: 6px 10px; }
        .navbar-toggler-icon { filter: invert(0.8); }
        /* Hero - Coupon Wall */
        .hero-section {
            position: relative;
            background: linear-gradient(180deg, #1a1a1c 0%, #121212 40%, #0e0e10 100%);
            padding: 70px 0 90px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(197,160,89,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,191,0,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-coupon-card {
            background: linear-gradient(145deg, #1e1e20, #252528);
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-gold), 0 0 0 1px rgba(197,160,89,0.15) inset;
            z-index: 1;
        }
        .hero-coupon-card::before {
            content: '';
            position: absolute;
            top: -30px;
            left: -30px;
            width: 80px;
            height: 80px;
            background: var(--accent-gold);
            border-radius: 50%;
            opacity: 0.06;
        }
        .hero-coupon-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            font-weight: 800;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .hero-coupon-card h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.015em;
        }
        .hero-coupon-card h1 .highlight {
            color: var(--accent-amber);
            position: relative;
        }
        .hero-coupon-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 540px;
        }
        .hero-coupon-meta {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-coupon-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-soft);
        }
        .hero-coupon-meta .meta-item i {
            color: var(--accent-gold);
            font-size: 1.1rem;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(197,160,89,0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(197,160,89,0.5);
            color: #121212;
        }
        .btn-hero-outline {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 50px;
            border: 2px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hero-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(197,160,89,0.05);
        }
        .hero-visual {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            max-height: 380px;
            object-fit: cover;
        }
        .hero-glow-dot {
            position: absolute;
            width: 12px;
            height: 12px;
            background: var(--accent-amber);
            border-radius: 50%;
            box-shadow: 0 0 20px rgba(255,191,0,0.6);
            animation: heroGlow 2.5s ease-in-out infinite;
        }
        @keyframes heroGlow {
            0%, 100% { opacity: 0.5; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.6); }
        }
        /* Step Tier Cards */
        .tier-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            height: 100%;
        }
        .tier-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tier-card.featured {
            border-color: var(--accent-gold);
            background: linear-gradient(180deg, #1e1a14 0%, #1a1a1c 100%);
            box-shadow: var(--shadow-gold);
        }
        .tier-card .tier-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 14px;
        }
        .tier-card .tier-badge.basic { background: rgba(197,160,89,0.15); color: var(--accent-gold); }
        .tier-card .tier-badge.pro { background: rgba(255,191,0,0.2); color: var(--accent-amber); }
        .tier-card .tier-badge.elite { background: rgba(212,172,13,0.2); color: var(--text-secondary); }
        .tier-card h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--text-primary); }
        .tier-card .tier-price { font-size: 1.8rem; font-weight: 800; color: var(--accent-amber); margin-bottom: 4px; }
        .tier-card .tier-limit { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 16px; }
        .tier-card ul { list-style: none; padding: 0; margin: 0 0 20px; }
        .tier-card ul li { font-size: 0.9rem; color: var(--text-soft); padding: 6px 0; display: flex; align-items: flex-start; gap: 8px; }
        .tier-card ul li i { color: var(--accent-gold); font-size: 0.8rem; margin-top: 4px; flex-shrink: 0; }
        .btn-tier {
            display: block;
            width: 100%;
            text-align: center;
            padding: 12px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
        }
        .btn-tier:hover {
            background: var(--accent-gold);
            color: #121212;
        }
        .btn-tier.featured-btn {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            border: none;
            box-shadow: 0 2px 14px rgba(197,160,89,0.3);
        }
        .btn-tier.featured-btn:hover {
            box-shadow: 0 6px 24px rgba(197,160,89,0.5);
            transform: translateY(-2px);
        }
        /* Progress Bar */
        .progress-custom {
            background: var(--bg-tertiary);
            border-radius: 50px;
            height: 10px;
            overflow: hidden;
            margin: 20px 0;
        }
        .progress-custom .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50px;
            transition: width 1.5s ease;
        }
        .progress-milestones {
            display: flex;
            justify-content: space-between;
            margin-top: 8px;
        }
        .progress-milestones span {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .progress-milestones span.achieved {
            color: var(--accent-amber);
            font-weight: 700;
        }
        /* Insight Cards */
        .insight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .insight-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-hover);
        }
        .insight-card .insight-quote {
            font-size: 1.05rem;
            color: var(--text-primary);
            font-style: italic;
            line-height: 1.6;
            margin-bottom: 16px;
            position: relative;
            padding-left: 20px;
            border-left: 3px solid var(--accent-gold);
        }
        .insight-card .insight-author {
            font-size: 0.85rem;
            color: var(--accent-gold);
            font-weight: 600;
        }
        .insight-card .insight-tag {
            display: inline-block;
            font-size: 0.72rem;
            color: var(--text-muted);
            background: var(--bg-tertiary);
            padding: 4px 10px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        /* Guarantee Badges */
        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .guarantee-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-hover);
        }
        .guarantee-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            background: rgba(197,160,89,0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
        }
        .guarantee-item h4 { font-size: 1rem; color: var(--text-primary); margin-bottom: 4px; }
        .guarantee-item p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }
        /* Supporter Wall */
        .supporter-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .supporter-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .supporter-card .supporter-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--accent-gold);
            margin: 0 auto 14px;
        }
        .supporter-card .supporter-name {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .supporter-card .supporter-role {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .supporter-card .supporter-text {
            font-size: 0.85rem;
            color: var(--text-soft);
            font-style: italic;
            line-height: 1.5;
        }
        .supporter-stars {
            color: var(--accent-amber);
            font-size: 0.8rem;
            margin-bottom: 8px;
        }
        /* News List */
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .news-list-item:last-child { border-bottom: none; }
        .news-list-item:hover { padding-left: 8px; }
        .news-list-item .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 70px;
            padding-top: 2px;
        }
        .news-list-item .news-title {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .news-list-item:hover .news-title { color: var(--accent-gold); }
        .news-list-item .news-cat {
            font-size: 0.7rem;
            color: var(--accent-gold);
            background: rgba(197,160,89,0.1);
            padding: 2px 10px;
            border-radius: 50px;
            white-space: nowrap;
        }
        .news-sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
        }
        .news-sidebar-card h4 {
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .news-sidebar-card ul { list-style: none; padding: 0; margin: 0; }
        .news-sidebar-card ul li { padding: 8px 0; }
        .news-sidebar-card ul li a {
            font-size: 0.88rem;
            color: var(--text-soft);
            transition: color var(--transition-fast);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .news-sidebar-card ul li a:hover { color: var(--accent-gold); }
        .news-sidebar-card ul li a i {
            font-size: 0.5rem;
            color: var(--accent-gold);
            margin-top: 7px;
            flex-shrink: 0;
        }
        /* Form */
        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
        }
        .form-card input,
        .form-card textarea {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            width: 100%;
            transition: border-color var(--transition-fast);
            font-family: var(--font-body);
        }
        .form-card input:focus,
        .form-card textarea:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(197,160,89,0.1);
        }
        .form-card textarea { min-height: 100px; resize: vertical; }
        .form-card .privacy-note {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 12px;
        }
        .btn-submit {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 50px;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(197,160,89,0.35);
            width: 100%;
        }
        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(197,160,89,0.5);
        }
        /* Support CTA */
        .support-cta-section {
            background: linear-gradient(180deg, #1a1a1c, #1e1a14);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .btn-support {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 16px 40px;
            border-radius: 50px;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 28px rgba(197,160,89,0.4);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-support:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(197,160,89,0.55);
            color: #121212;
        }
        /* FAB */
        .fab-royal {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1a1a1c, #0e0e10);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(197,160,89,0.3), 0 0 0 4px rgba(197,160,89,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(197,160,89,0.5), 0 0 0 8px rgba(197,160,89,0.08);
        }
        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-royal i {
            font-size: 1.5rem;
            color: var(--accent-amber);
            transition: transform var(--transition-smooth);
        }
        .fab-royal:hover i { transform: rotate(360deg); }
        .fab-royal .fab-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: fabDotBlink 1.5s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes fabDotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Footer */
        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 24px;
        }
        .footer-section .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .footer-section .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 360px;
        }
        .footer-section h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-section ul { list-style: none; padding: 0; margin: 0; }
        .footer-section ul li { padding: 5px 0; }
        .footer-section ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-section ul li a:hover { color: var(--accent-gold); }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            margin-top: 32px;
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(197,160,89,0.1);
            border: 1px solid var(--border-gold);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            color: var(--accent-gold);
            font-weight: 600;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.6rem; }
            .section { padding: var(--section-gap-mobile) 0; }
            .hero-coupon-card { padding: 28px 22px; }
            .hero-coupon-card h1 { font-size: 2rem; }
            .hero-visual img { max-height: 280px; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .section { padding: 40px 0; }
            .hero-section { padding: 40px 0 60px; }
            .hero-coupon-card { padding: 22px 18px; border-radius: var(--radius-lg); }
            .hero-coupon-card h1 { font-size: 1.6rem; }
            .hero-coupon-desc { font-size: 0.9rem; }
            .hero-coupon-meta { gap: 14px; }
            .hero-visual { margin-top: 24px; }
            .hero-visual img { max-height: 220px; }
            .hero-cta-group { flex-direction: column; }
            .btn-hero-primary, .btn-hero-outline { width: 100%; justify-content: center; }
            .navbar-custom .nav-link { padding: 10px 16px; }
            .fab-royal { left: 12px; bottom: 80px; width: 48px; height: 48px; }
            .fab-royal i { font-size: 1.2rem; }
            .form-card { padding: 24px 18px; }
            .news-list-item { flex-wrap: wrap; gap: 6px; }
            .news-list-item .news-date { min-width: auto; }
            .tier-card { margin-bottom: 16px; }
        }
        @media (max-width: 520px) {
            .hero-coupon-card h1 { font-size: 1.4rem; }
            .hero-coupon-desc { font-size: 0.85rem; }
            .section-title { font-size: 1.3rem; }
            .hero-coupon-meta { flex-direction: column; gap: 8px; }
            .btn-support { width: 100%; justify-content: center; font-size: 0.95rem; padding: 14px 24px; }
            .container { padding-left: 14px; padding-right: 14px; }
        }
        /* Utility */
        .text-gold { color: var(--accent-gold); }
        .text-amber { color: var(--accent-amber); }
        .bg-card { background: var(--bg-card); }
        .border-subtle { border: 1px solid var(--border-subtle); }
        .rounded-lg { border-radius: var(--radius-lg); }
        .mt-0 { margin-top: 0; }
        .gap-3 { gap: 16px; }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --bg-dark: #082318;
            --bg-input: #0B2A1A;
            --gold: #FFD700;
            --gold-light: #FFE566;
            --gold-dark: #C5A059;
            --amber: #FFBF00;
            --red: #D32F2F;
            --red-light: #EF5350;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --mint-light: #E8F8F4;
            --silver: #A6ACAF;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8B9E96;
            --border-gold: rgba(255,215,0,0.35);
            --border-card: rgba(255,215,0,0.15);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.18);
            --shadow-card: 0 2px 12px rgba(0,0,0,0.35);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Inter', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--gold-light);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul,
        ol {
            padding-left: 1.2rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            line-height: 1.25;
            color: var(--white);
            margin-top: 0;
        }
        h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: clamp(1.15rem, 2.2vw, 1.5rem);
            font-weight: 650;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        .container {
            max-width: 1140px;
            padding-left: 16px;
            padding-right: 16px;
            margin-left: auto;
            margin-right: auto;
        }
        .container-narrow {
            max-width: 800px;
            padding-left: 16px;
            padding-right: 16px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== NAVBAR ========== */
        .navbar-custom {
            background: rgba(8, 35, 24, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition);
        }
        .navbar-custom .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 750;
            font-size: 1.2rem;
            color: var(--gold);
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            white-space: nowrap;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--gold-light);
            text-decoration: none;
        }
        .brand-icon {
            font-size: 1.5rem;
            color: var(--gold);
        }
        .navbar-custom .nav-link {
            color: var(--mint);
            font-weight: 550;
            font-size: 0.92rem;
            padding: 0.45rem 0.9rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
            text-decoration: none;
        }
        .navbar-custom .nav-link.active {
            font-weight: 650;
            border-bottom: 2px solid var(--gold);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--gold);
            color: var(--gold);
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--gold-light);
            color: var(--gold-light);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--gold) 0%, var(--amber) 100%);
            border: none;
            color: #0A2E1C;
            padding: 0.48rem 1.25rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.88rem;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.25);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.4);
            transform: translateY(-1px);
            color: #0A2E1C;
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold);
            padding: 0.35rem 0.6rem;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991px) {
            .navbar-custom .navbar-collapse {
                background: rgba(10, 46, 28, 0.98);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                border: 1px solid var(--border-gold);
            }
            .navbar-custom .nav-link {
                display: block;
                padding: 0.55rem 0.8rem;
            }
            .navbar-custom .d-flex.gap-2.ms-2 {
                margin-top: 0.5rem;
            }
        }

        /* ========== READING PROGRESS BAR ========== */
        .reading-progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--amber));
            z-index: 1060;
            width: 0%;
            transition: width 0.1s linear;
            border-radius: 0 2px 2px 0;
        }

        /* ========== ARTICLE HERO ========== */
        .article-hero {
            background: linear-gradient(180deg, #0A2E1C 0%, #0F3522 40%, #123E25 100%);
            padding: 3rem 0 2.5rem;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-gold);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero .hero-inner {
            position: relative;
            z-index: 1;
        }
        .article-hero .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.2rem;
        }
        .article-hero .breadcrumb-custom a {
            color: var(--mint);
            font-weight: 500;
        }
        .article-hero .breadcrumb-custom a:hover {
            color: var(--gold);
            text-decoration: none;
        }
        .article-hero .breadcrumb-custom .separator {
            color: var(--gold);
            margin: 0 4px;
        }
        .article-hero .hero-cover-wrap {
            background: var(--bg-dark);
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
            max-width: 420px;
            margin: 0 auto 1.5rem;
        }
        .article-hero .hero-cover-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }
        .article-hero .hero-badge {
            display: inline-block;
            background: var(--red);
            color: var(--white);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 0.8rem;
        }
        .article-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.6rem;
        }
        .article-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-hero .hero-meta i {
            color: var(--gold);
            font-size: 0.8rem;
        }
        .btn-download-guide {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold) 0%, var(--amber) 100%);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.7rem 1.8rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            text-decoration: none;
            margin-top: 1rem;
        }
        .btn-download-guide:hover {
            background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
            color: #0A2E1C;
            text-decoration: none;
        }
        .btn-download-guide i {
            font-size: 1.1rem;
        }

        /* ========== TOC SIDEBAR ========== */
        .toc-box {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.3rem;
            position: sticky;
            top: 100px;
            box-shadow: var(--shadow-card);
        }
        .toc-box h4 {
            color: var(--gold);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .toc-box h4 i {
            font-size: 0.85rem;
        }
        .toc-box ol {
            padding-left: 1.2rem;
            margin: 0;
            list-style: decimal;
        }
        .toc-box ol li {
            margin-bottom: 0.4rem;
            font-size: 0.88rem;
            line-height: 1.5;
        }
        .toc-box ol li a {
            color: var(--mint);
            font-weight: 500;
            transition: var(--transition);
        }
        .toc-box ol li a:hover {
            color: var(--gold);
            text-decoration: none;
            padding-left: 4px;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content-section {
            padding: 2.5rem 0 3rem;
            background: var(--bg-primary);
        }
        .article-body {
            font-size: 1.02rem;
            line-height: 1.7;
            color: var(--text-secondary);
        }
        .article-body h2 {
            color: var(--gold);
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-card);
            font-size: 1.55rem;
        }
        .article-body h3 {
            color: var(--white);
            margin-top: 1.6rem;
            margin-bottom: 0.7rem;
            font-size: 1.25rem;
        }
        .article-body p {
            margin-bottom: 1.1rem;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.1rem;
            padding-left: 1.4rem;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.4rem;
            color: var(--text-secondary);
        }
        .article-body strong {
            color: var(--white);
            font-weight: 650;
        }
        .article-body blockquote {
            background: var(--bg-card);
            border-left: 4px solid var(--gold);
            padding: 1rem 1.3rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--mint);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.2rem 0;
            box-shadow: var(--shadow-card);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.92rem;
        }
        .article-body table th {
            background: var(--bg-card);
            color: var(--gold);
            font-weight: 650;
            padding: 0.7rem 1rem;
            border: 1px solid var(--border-card);
            text-align: left;
        }
        .article-body table td {
            padding: 0.6rem 1rem;
            border: 1px solid var(--border-card);
            color: var(--text-secondary);
        }
        .article-body table tr:nth-child(even) td {
            background: rgba(255, 215, 0, 0.03);
        }
        .article-body .highlight-box {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
        }
        .article-body .highlight-box strong {
            color: var(--gold);
        }

        /* ========== LEARNING PATH ========== */
        .learning-path-section {
            background: var(--bg-secondary);
            padding: 3rem 0;
            border-top: 1px solid var(--border-card);
            border-bottom: 1px solid var(--border-card);
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: left;
            position: relative;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            height: 100%;
        }
        .step-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--gold) 0%, var(--amber) 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1.2rem;
            border-radius: 50%;
            margin-bottom: 1rem;
        }
        .step-card h3 {
            color: var(--white);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .step-card .step-duration {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            margin-top: 0.7rem;
        }

        /* ========== RESOURCE COMPARE ========== */
        .resource-compare-section {
            padding: 3rem 0;
            background: var(--bg-primary);
        }
        .compare-card {
            background: var(--bg-card);
            border: 2px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .compare-card.featured {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            background: var(--bg-dark);
        }
        .compare-card.featured::before {
            content: 'PHỔ BIẾN NHẤT';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gold);
            color: #0A2E1C;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 0.25rem 1rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .compare-card h4 {
            color: var(--white);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.8rem;
        }
        .compare-card .price {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 1rem;
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.2rem;
        }
        .compare-card ul li {
            padding: 0.35rem 0;
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 7px;
        }
        .compare-card ul li i {
            color: var(--gold);
            font-size: 0.75rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .btn-compare {
            display: block;
            width: 100%;
            text-align: center;
            padding: 0.6rem;
            border-radius: 50px;
            font-weight: 650;
            font-size: 0.9rem;
            transition: var(--transition);
            border: 1px solid var(--gold);
            background: transparent;
            color: var(--gold);
            text-decoration: none;
        }
        .btn-compare:hover {
            background: var(--gold);
            color: #0A2E1C;
            text-decoration: none;
        }
        .btn-compare.btn-gold {
            background: linear-gradient(135deg, var(--gold) 0%, var(--amber) 100%);
            color: #0A2E1C;
            border: none;
            font-weight: 700;
        }
        .btn-compare.btn-gold:hover {
            background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        /* ========== LIMITED OFFER ========== */
        .limited-offer-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #0F3522 50%, #123E25 100%);
            padding: 2.5rem 0;
            border-top: 2px solid var(--gold);
            border-bottom: 2px solid var(--gold);
            position: relative;
            overflow: hidden;
        }
        .limited-offer-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .offer-box {
            background: var(--bg-dark);
            border: 2px solid var(--gold);
            border-radius: var(--radius-lg);
            padding: 2rem;
            text-align: left;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-gold);
        }
        .offer-box .offer-badge {
            display: inline-block;
            background: var(--red);
            color: var(--white);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            animation: pulse-badge 2s infinite;
            margin-bottom: 0.8rem;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }
        .offer-box h3 {
            color: var(--gold);
            font-size: 1.4rem;
            font-weight: 750;
            margin-bottom: 0.6rem;
        }
        .offer-box .countdown {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin: 1rem 0;
        }
        .offer-box .countdown-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.9rem;
            text-align: center;
            min-width: 55px;
        }
        .offer-box .countdown-item .num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
        }
        .offer-box .countdown-item .label {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
        }
        .btn-claim-offer {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--red);
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
            padding: 0.7rem 2rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.35);
            text-decoration: none;
        }
        .btn-claim-offer:hover {
            background: var(--red-light);
            box-shadow: 0 6px 22px rgba(211, 47, 47, 0.5);
            transform: translateY(-2px);
            color: var(--white);
            text-decoration: none;
        }

        /* ========== SUBSCRIBE ========== */
        .subscribe-section {
            padding: 3rem 0;
            background: var(--bg-secondary);
        }
        .subscribe-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2rem;
            text-align: left;
            box-shadow: var(--shadow-card);
        }
        .subscribe-card h3 {
            color: var(--gold);
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 0.7rem;
            margin-top: 1.2rem;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background: var(--bg-input);
            border: 1px solid var(--border-card);
            color: var(--white);
            padding: 0.65rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: var(--transition);
            outline: none;
        }
        .subscribe-form input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .btn-subscribe {
            background: linear-gradient(135deg, var(--gold) 0%, var(--amber) 100%);
            color: #0A2E1C;
            font-weight: 700;
            padding: 0.65rem 1.6rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            font-size: 0.9rem;
        }
        .btn-subscribe:hover {
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
            transform: translateY(-1px);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 3rem 0;
            background: var(--bg-primary);
        }
        .faq-section .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            margin-bottom: 0.6rem;
            border-radius: var(--radius-md) !important;
            overflow: hidden;
        }
        .faq-section .accordion-button {
            background: var(--bg-card);
            color: var(--white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 1rem 1.3rem;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: var(--transition);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: var(--bg-dark);
            color: var(--gold);
            box-shadow: none;
            border-bottom: 1px solid var(--border-card);
        }
        .faq-section .accordion-button::after {
            filter: brightness(3);
        }
        .faq-section .accordion-button:not(.collapsed)::after {
            filter: brightness(3) sepia(1) hue-rotate(10deg);
        }
        .faq-section .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            padding: 1rem 1.3rem;
        }

        /* ========== CTA FINAL ========== */
        .cta-final-section {
            background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-primary) 100%);
            padding: 3.5rem 0;
            text-align: center;
            border-top: 1px solid var(--border-gold);
        }
        .cta-final-section h2 {
            color: var(--gold);
            font-weight: 800;
            margin-bottom: 0.8rem;
        }
        .cta-final-section p {
            color: var(--mint);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 1.5rem;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--gold) 0%, var(--amber) 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.3);
            text-decoration: none;
        }
        .btn-cta-large:hover {
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            transform: translateY(-3px);
            color: #0A2E1C;
            text-decoration: none;
        }

        /* ========== FAB ========== */
        .fab-container {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1040;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
        }
        .fab-main {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(145deg, #0A2E1C 0%, #082318 100%);
            border: 2.5px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            position: relative;
            animation: fab-float 3s ease-in-out infinite;
            text-decoration: none;
            color: var(--gold);
            font-size: 1.3rem;
        }
        @keyframes fab-float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        .fab-main:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255215, 0, 0.35);
            border-color: var(--gold-light);
            color: var(--gold-light);
        }
        .fab-main:active {
            transform: scale(0.95);
        }
        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--red);
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blink-dot 1.8s infinite;
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }
        .fab-label {
            font-size: 0.68rem;
            color: var(--gold);
            font-weight: 600;
            text-align: center;
            background: rgba(10, 46, 28, 0.9);
            padding: 0.2rem 0.6rem;
            border-radius: 50px;
            border: 1px solid var(--border-gold);
            white-space: nowrap;
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: var(--bg-dark);
            border-top: 2px solid var(--border-gold);
            padding: 3rem 0 1.5rem;
            color: var(--text-secondary);
        }
        .footer-section h5 {
            color: var(--gold);
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .footer-section ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-section ul li {
            margin-bottom: 0.5rem;
        }
        .footer-section ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-section ul li a:hover {
            color: var(--gold);
            text-decoration: none;
            padding-left: 4px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 750;
            font-size: 1.15rem;
            color: var(--gold);
            display: flex;
            align-items: center;
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 215, 0, 0.08);
            color: var(--mint);
            font-size: 0.78rem;
            padding: 0.3rem 0.7rem;
            border-radius: 50px;
            border: 1px solid var(--border-card);
        }
        .footer-badge i {
            color: var(--gold);
            font-size: 0.7rem;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-card);
            margin-top: 2rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom span {
            color: var(--gold);
            font-weight: 600;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .toc-box {
                position: static;
                margin-bottom: 1.5rem;
            }
            .article-hero {
                padding: 2rem 0 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .navbar-custom .navbar-brand {
                font-size: 1rem;
            }
            .article-hero .hero-cover-wrap {
                max-width: 280px;
            }
            .article-hero {
                padding: 1.5rem 0;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .step-card {
                padding: 1.2rem;
            }
            .compare-card {
                padding: 1.2rem;
            }
            .offer-box {
                padding: 1.3rem;
            }
            .offer-box h3 {
                font-size: 1.15rem;
            }
            .offer-box .countdown-item {
                min-width: 44px;
                padding: 0.4rem 0.6rem;
            }
            .offer-box .countdown-item .num {
                font-size: 1.2rem;
            }
            .fab-container {
                left: 0.5rem;
                bottom: 5rem;
            }
            .fab-main {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
            .btn-download-guide {
                width: 100%;
                justify-content: center;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .btn-subscribe {
                width: 100%;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .navbar-custom .navbar-brand {
                font-size: 0.9rem;
            }
            .brand-icon {
                font-size: 1.2rem;
            }
            .article-hero .hero-cover-wrap {
                max-width: 220px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .article-body h2 {
                font-size: 1.15rem;
            }
            .offer-box .countdown {
                gap: 0.4rem;
            }
            .offer-box .countdown-item {
                min-width: 38px;
                padding: 0.3rem 0.5rem;
            }
            .offer-box .countdown-item .num {
                font-size: 1rem;
            }
            .btn-claim-offer {
                width: 100%;
                justify-content: center;
            }
            .btn-cta-large {
                width: 100%;
                justify-content: center;
                font-size: 1rem;
                padding: 0.7rem 1.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1A1A1A;
            --bg-tertiary: #1C1C1E;
            --bg-card: #1E1E20;
            --bg-card-hover: #242428;
            --platinum: #E5E8E8;
            --platinum-gray: #D5D8DC;
            --champagne-gold: #F0E68C;
            --gold-accent: #C5A059;
            --gold-bright: #D4AC0D;
            --text-primary: #FFFFFF;
            --text-secondary: #D5D8DC;
            --text-muted: #9A9DA3;
            --border-subtle: rgba(229, 232, 232, 0.12);
            --border-medium: rgba(229, 232, 232, 0.2);
            --border-gold: rgba(197, 160, 89, 0.5);
            --border-gold-bright: rgba(212, 172, 13, 0.7);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(197, 160, 89, 0.15);
            --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.25);
            --shadow-lg-gold: 0 12px 40px rgba(197, 160, 89, 0.2);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--champagne-gold);
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
            font-weight: 600;
        }

        p {
            color: var(--text-secondary);
            line-height: 1.65;
        }

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

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            padding: 10px 0;
            transition: all var(--transition-smooth);
        }

        .navbar-custom.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            padding: 8px 0;
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary) !important;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .navbar-brand .brand-icon {
            font-size: 1.5rem;
            color: var(--champagne-gold);
            filter: drop-shadow(0 0 6px rgba(240, 230, 140, 0.4));
        }

        .navbar-custom .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .navbar-custom .nav-link:hover {
            color: var(--champagne-gold) !important;
            background: rgba(240, 230, 140, 0.06);
        }

        .navbar-custom .nav-link.active {
            color: var(--champagne-gold) !important;
            background: rgba(240, 230, 140, 0.1);
            font-weight: 600;
        }

        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--champagne-gold);
            border-radius: 1px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-medium);
            color: var(--text-primary);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--platinum);
            background: rgba(229, 232, 232, 0.05);
            color: var(--platinum);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--gold-accent), var(--champagne-gold));
            border: none;
            color: #121212;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-bounce);
            white-space: nowrap;
            box-shadow: 0 2px 12px rgba(197, 160, 89, 0.3);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(197, 160, 89, 0.45);
            color: #121212;
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 1px 6px rgba(197, 160, 89, 0.3);
        }

        .navbar-toggler {
            border: 1px solid var(--border-medium);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(229, 232, 232, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(240, 230, 140, 0.2);
            outline: none;
        }

        @media (max-width: 991.98px) {
            .navbar-custom .collapse {
                background: rgba(24, 24, 26, 0.98);
                border-radius: var(--radius-md);
                padding: 12px;
                margin-top: 10px;
                border: 1px solid var(--border-subtle);
            }
            .navbar-custom .nav-link {
                padding: 10px 14px !important;
                border-radius: 6px;
            }
            .navbar-custom .nav-link.active::after {
                display: none;
            }
            .navbar-custom .d-flex.gap-2.ms-2 {
                flex-shrink: 0;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1rem;
            }
            .navbar-brand .brand-icon {
                font-size: 1.2rem;
            }
            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.78rem;
                border-radius: 6px;
            }
            .btn-login.d-none.d-sm-inline-block {
                display: inline-block !important;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding-top: 80px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, #0F1A0F 0%, #121212 30%, #1A1A1A 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(197, 160, 89, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(240, 230, 140, 0.05) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(197, 160, 89, 0.04) 0%, transparent 50%);
            pointer-events: none;
            z-index: 1;
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            z-index: 0;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 230, 140, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--champagne-gold);
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            animation: fadeInUp 0.6s ease forwards;
        }

        .hero-tag .pulse-dot {
            width: 8px;
            height: 8px;
            background: #4ADE80;
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(74, 222, 128, 0);
            }
        }

        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 16px;
            color: #FFFFFF;
            letter-spacing: -0.03em;
            animation: fadeInUp 0.6s ease 0.1s forwards;
            opacity: 0;
        }

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

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 28px;
            line-height: 1.6;
            animation: fadeInUp 0.6s ease 0.2s forwards;
            opacity: 0;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            animation: fadeInUp 0.6s ease 0.3s forwards;
            opacity: 0;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, #D4AC0D, #F0E68C);
            color: #121212;
            padding: 14px 28px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(197, 160, 89, 0.5);
            color: #121212;
        }

        .btn-hero-primary:active {
            transform: translateY(-1px);
        }

        .btn-hero-secondary {
            background: transparent;
            border: 1.5px solid var(--platinum);
            color: var(--platinum);
            padding: 14px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-secondary:hover {
            background: rgba(229, 232, 232, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        /* Countdown Bar */
        .countdown-bar {
            display: inline-flex;
            align-items: center;
            gap: 16px;
            background: rgba(220, 38, 38, 0.15);
            border: 1px solid rgba(220, 38, 38, 0.4);
            border-radius: 50px;
            padding: 10px 20px;
            margin-top: 24px;
            animation: fadeInUp 0.6s ease 0.4s forwards;
            opacity: 0;
        }

        .countdown-bar .countdown-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: #FCA5A5;
            white-space: nowrap;
        }

        .countdown-bar .countdown-timer {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .countdown-bar .time-block {
            background: rgba(220, 38, 38, 0.3);
            color: #FECACA;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 6px 10px;
            border-radius: 6px;
            min-width: 36px;
            text-align: center;
            font-variant-numeric: tabular-nums;
            font-family: 'Courier New', monospace;
        }

        .countdown-bar .time-sep {
            color: #FCA5A5;
            font-weight: 700;
            font-size: 1rem;
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            animation: fadeInUp 0.8s ease 0.2s forwards;
            opacity: 0;
        }

        .hero-visual-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-lg-gold);
            text-align: center;
        }

        .hero-visual-card .card-suits {
            font-size: 3rem;
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .hero-visual-card .card-suits span {
            display: inline-block;
            animation: float-suit 3s ease-in-out infinite;
        }

        .hero-visual-card .card-suits span:nth-child(2) {
            animation-delay: 0.5s;
        }
        .hero-visual-card .card-suits span:nth-child(3) {
            animation-delay: 1s;
        }
        .hero-visual-card .card-suits span:nth-child(4) {
            animation-delay: 1.5s;
        }

        @keyframes float-suit {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .hero-visual-card .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--champagne-gold);
            letter-spacing: -0.02em;
        }

        .hero-visual-card .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        @media (max-width: 991.98px) {
            .hero-section {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 50px;
            }
            .hero-bg-img {
                width: 100%;
                opacity: 0.15;
                mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
                -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
            }
            .hero-visual {
                margin-top: 30px;
            }
            .countdown-bar {
                flex-wrap: wrap;
                gap: 8px;
                padding: 8px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 12px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .countdown-bar .time-block {
                font-size: 0.9rem;
                padding: 5px 7px;
                min-width: 28px;
            }
        }

        /* ========== SECTION STYLES ========== */
        .section-padding {
            padding: 70px 0;
        }

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

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--champagne-gold);
            margin-bottom: 10px;
        }

        .section-header h2 {
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .section-header .section-desc {
            color: var(--text-muted);
            max-width: 600px;
            font-size: 1rem;
        }

        /* ========== LEARNING PATH / STEPS ========== */
        .steps-section {
            background: var(--bg-secondary);
            position: relative;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(197, 160, 89, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-accent), var(--champagne-gold));
            color: #121212;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.3);
        }

        .step-card h3 {
            color: #FFFFFF;
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.55;
        }

        .progress-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
        }

        .progress-line {
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-accent), var(--champagne-gold), var(--gold-accent));
            border-radius: 2px;
            opacity: 0.6;
            position: relative;
        }

        .progress-line::after {
            content: '';
            position: absolute;
            right: -6px;
            top: 50%;
            transform: translateY(-50%);
            width: 12px;
            height: 12px;
            background: var(--champagne-gold);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(240, 230, 140, 0.5);
        }

        @media (max-width: 767.98px) {
            .progress-connector {
                display: none;
            }
            .step-card {
                margin-bottom: 16px;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .compare-section {
            background: var(--bg-primary);
        }

        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

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

        .compare-table thead th {
            background: var(--bg-card);
            color: #FFFFFF;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            border-bottom: 2px solid var(--border-gold);
            text-align: left;
        }

        .compare-table thead th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }

        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .compare-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.9rem;
            vertical-align: middle;
        }

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

        .compare-table tbody tr:hover {
            background: rgba(240, 230, 140, 0.03);
        }

        .compare-table tbody tr:last-child td:first-child {
            border-radius: 0 0 0 var(--radius-lg);
        }

        .compare-table tbody tr:last-child td:last-child {
            border-radius: 0 0 var(--radius-lg) 0;
        }

        .compare-table .check-icon {
            color: #4ADE80;
            font-size: 1.1rem;
        }

        .compare-table .dash-icon {
            color: var(--text-muted);
        }

        .compare-table .highlight-col {
            background: rgba(197, 160, 89, 0.06);
            position: relative;
        }

        .compare-table .highlight-col::before {
            content: 'Phổ Biến Nhất';
            position: absolute;
            top: -28px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--gold-accent), var(--champagne-gold));
            color: #121212;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            white-space: nowrap;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(135deg, #1C1C1E, #1A1520, #1C1C1E);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-2xl);
            padding: 48px 36px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg-gold);
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240, 230, 140, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner h2 {
            color: #FFFFFF;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            color: var(--text-secondary);
            position: relative;
            z-index: 1;
            max-width: 500px;
        }

        .cta-banner .btn-cta-gold {
            background: linear-gradient(135deg, #D4AC0D, #F0E68C);
            color: #121212;
            padding: 14px 30px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.35);
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(197, 160, 89, 0.5);
            color: #121212;
        }

        .cta-banner .cta-img {
            position: absolute;
            right: 20px;
            bottom: 0;
            width: 180px;
            opacity: 0.5;
            z-index: 0;
        }

        @media (max-width: 767.98px) {
            .cta-banner {
                padding: 32px 20px;
                text-align: center;
            }
            .cta-banner .cta-img {
                display: none;
            }
            .cta-banner p {
                max-width: 100%;
            }
        }

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

        .accordion-faq .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .accordion-faq .accordion-item:hover {
            border-color: var(--border-medium);
        }

        .accordion-faq .accordion-button {
            background: transparent;
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }

        .accordion-faq .accordion-button:not(.collapsed) {
            background: rgba(197, 160, 89, 0.08);
            color: var(--champagne-gold);
            box-shadow: none;
            border-bottom: 1px solid var(--border-gold);
        }

        .accordion-faq .accordion-button::after {
            filter: brightness(0) invert(0.8);
            transition: transform var(--transition-smooth);
        }

        .accordion-faq .accordion-button:not(.collapsed)::after {
            filter: brightness(0) invert(0.9) sepia(1) saturate(5) hue-rotate(30deg);
            transform: rotate(-180deg);
        }

        .accordion-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
            border-color: var(--border-gold);
        }

        .accordion-faq .accordion-body {
            color: var(--text-secondary);
            padding: 18px 20px;
            font-size: 0.95rem;
            line-height: 1.65;
            background: var(--bg-card);
        }

        /* ========== FORM SECTION ========== */
        .form-section {
            background: var(--bg-primary);
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            box-shadow: var(--shadow-card);
        }

        .form-card .form-label {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            margin-bottom: 6px;
        }

        .form-card .form-control {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .form-card .form-control:focus {
            border-color: var(--champagne-gold);
            box-shadow: 0 0 0 3px rgba(240, 230, 140, 0.12);
            background: var(--bg-tertiary);
            outline: none;
        }

        .form-card .form-control::placeholder {
            color: var(--text-muted);
        }

        .form-card .btn-submit {
            background: linear-gradient(135deg, #D4AC0D, #F0E68C);
            color: #121212;
            padding: 13px 28px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            width: 100%;
        }

        .form-card .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(197, 160, 89, 0.45);
            color: #121212;
        }

        .form-card .btn-submit:active {
            transform: translateY(0);
        }

        .form-illustration {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
        }

        .form-illustration img {
            border-radius: var(--radius-lg);
            max-height: 300px;
            object-fit: cover;
            width: 100%;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
        }

        /* ========== FAB ========== */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 80px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A, #0D0D0D);
            border: 2px solid rgba(212, 172, 13, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            transition: all var(--transition-bounce);
            opacity: 0.7;
            animation: float-fab 3s ease-in-out infinite;
        }

        .fab-royal .fab-inner {
            font-size: 1.5rem;
            color: var(--champagne-gold);
            transition: transform var(--transition-smooth);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .fab-royal .fab-notification {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 10px;
            height: 10px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: blink-dot 1.2s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 0.4;
            }
            50% {
                opacity: 1;
            }
        }

        @keyframes float-fab {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(197, 160, 89, 0.5);
            border-color: rgba(240, 230, 140, 0.9);
            animation: none;
        }

        .fab-royal:hover .fab-inner {
            transform: rotate(360deg);
        }

        .fab-royal:active {
            transform: scale(0.95);
            box-shadow: 0 2px 10px rgba(197, 160, 89, 0.3);
        }

        @media (max-width: 520px) {
            .fab-royal {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 70px;
            }
            .fab-royal .fab-inner {
                font-size: 1.2rem;
            }
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: #0A0A0A;
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            color: var(--text-secondary);
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #FFFFFF;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }

        .footer-brand .brand-icon {
            color: var(--champagne-gold);
            font-size: 1.3rem;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid rgba(197, 160, 89, 0.25);
            color: var(--champagne-gold);
            padding: 6px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .footer-section h5 {
            color: #FFFFFF;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

        .footer-section ul li a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-section ul li a:hover {
            color: var(--champagne-gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 30px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 767.98px) {
            .footer-section {
                padding: 36px 0 20px;
            }
            .footer-section h5 {
                margin-top: 16px;
            }
        }

        /* ========== UTILITY ========== */
        .text-gold {
            color: var(--champagne-gold) !important;
        }

        .text-platinum {
            color: var(--platinum) !important;
        }

        .bg-card-dark {
            background: var(--bg-card);
        }

        .border-gold-subtle {
            border: 1px solid var(--border-gold);
        }

        .gap-20 {
            gap: 20px;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes shimmer {
            0% {
                background-position: -200% center;
            }
            100% {
                background-position: 200% center;
            }
        }

        .shimmer-text {
            background: linear-gradient(90deg, #D4AC0D, #F0E68C, #D4AC0D, #F0E68C);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: shimmer 2.5s linear infinite;
        }

        /* ========== RELATED CARDS ========== */
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
        }

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

        .related-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 180px;
        }

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

        .related-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .related-card .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(212, 172, 13, 0.9);
            color: #121212;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 50px;
        }

        .related-card .card-body-sm {
            padding: 16px;
        }

        .related-card .card-body-sm h4 {
            color: #FFFFFF;
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .related-card .card-body-sm p {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== SCROLL TO TOP ========== */
        .scroll-top-btn {
            position: fixed;
            right: 16px;
            bottom: 80px;
            z-index: 1040;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.15);
            border: 1px solid rgba(197, 160, 89, 0.4);
            color: var(--champagne-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0;
            pointer-events: none;
            font-size: 1.1rem;
        }

        .scroll-top-btn.visible {
            opacity: 0.8;
            pointer-events: auto;
        }

        .scroll-top-btn:hover {
            opacity: 1;
            background: rgba(197, 160, 89, 0.25);
            border-color: var(--champagne-gold);
            transform: translateY(-3px);
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #062315;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C4B8;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --spacing-section: 72px;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }
        
        * { box-sizing: border-box; margin: 0; padding: 0; }
        
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        a { text-decoration: none; color: var(--accent-gold); transition: color 0.2s ease; }
        a:hover { color: #FFF8DC; }
        img { max-width: 100%; height: auto; display: block; }
        
        .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
        
        /* ========== HEADER / NAV ========== */
        .navbar-custom {
            background: var(--bg-deep);
            padding: 14px 0;
            border-bottom: 2px solid var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 16px rgba(0,0,0,0.4);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-gold) !important;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent-gold);
            color: var(--bg-deep);
            border-radius: 50%;
            font-size: 1.1rem;
            margin-right: 10px;
            box-shadow: var(--shadow-gold);
        }
        .navbar-nav .nav-link {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all 0.2s ease;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.25s ease;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--accent-gold);
            color: #FFF8DC;
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-deep);
            border: none;
            padding: 9px 24px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .btn-signup:hover {
            background: #FFED80;
            color: var(--bg-deep);
            transform: translateY(-1px);
            box-shadow: 0 6px 26px rgba(255, 215, 0, 0.45);
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold);
            background: transparent;
            padding: 6px 10px;
            border-radius: 6px;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23FFD700' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* ========== HERO ========== */
        .hero-section {
            background: linear-gradient(145deg, var(--bg-deep) 0%, var(--bg-secondary) 55%, var(--bg-primary) 100%);
            padding: 72px 0 64px;
            border-bottom: 2px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(211, 47, 47, 0.18);
            border: 1px solid var(--accent-red);
            color: #FFB3B3;
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 2.7rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-title span {
            color: var(--accent-gold);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-mint);
            max-width: 580px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .hero-btn-primary {
            background: var(--accent-gold);
            color: var(--bg-deep);
            border: none;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1.05rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            display: inline-block;
        }
        .hero-btn-primary:hover {
            background: #FFED80;
            color: var(--bg-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        .hero-btn-secondary {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 13px 28px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.25s ease;
            display: inline-block;
        }
        .hero-btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            color: #FFF8DC;
        }
        .hero-visual {
            background: rgba(0,0,0,0.3);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .hero-visual img {
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }
        .hero-visual-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            font-weight: 600;
        }
        
        /* ========== SECTIONS ========== */
        .section-block {
            padding: var(--spacing-section) 0;
        }
        .section-block:nth-child(even) {
            background: var(--bg-secondary);
        }
        .section-block:nth-child(odd) {
            background: var(--bg-primary);
        }
        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 720px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        
        /* ========== CARDS ========== */
        .info-card {
            background: rgba(0,0,0,0.25);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            height: 100%;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .info-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
            background: rgba(0,0,0,0.35);
        }
        .info-card .card-icon {
            width: 52px;
            height: 52px;
            background: rgba(255, 215, 0, 0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .info-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .info-card p {
            font-size: 0.95rem;
            color: var(--text-mint);
            margin-bottom: 0;
            line-height: 1.65;
        }
        
        .step-card {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px;
            background: rgba(0,0,0,0.2);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.2);
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }
        .step-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.15);
        }
        .step-number {
            min-width: 48px;
            height: 48px;
            background: var(--accent-gold);
            color: var(--bg-deep);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }
        .step-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.95rem;
            color: var(--text-mint);
            margin-bottom: 0;
            line-height: 1.65;
        }
        
        /* ========== TABLE ========== */
        .poker-table-wrap {
            background: rgba(0,0,0,0.3);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px;
            overflow-x: auto;
        }
        .poker-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .poker-table th {
            background: var(--bg-deep);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 2px solid var(--accent-gold);
            font-size: 0.95rem;
        }
        .poker-table td {
            padding: 12px 16px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            color: var(--text-mint);
            font-size: 0.92rem;
        }
        .poker-table tr:hover td {
            background: rgba(255, 215, 0, 0.05);
        }
        
        /* ========== FAQ ========== */
        .faq-item {
            background: rgba(0,0,0,0.2);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.2s ease;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question .faq-icon {
            transition: transform 0.3s ease;
            color: var(--accent-gold);
        }
        .faq-item.open .faq-question .faq-icon {
            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-mint);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        
        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-secondary) 100%);
            padding: 64px 0;
            border-top: 2px solid var(--border-gold);
            border-bottom: 2px solid var(--border-gold);
            text-align: center;
        }
        .cta-box {
            max-width: 700px;
            margin: 0 auto;
            padding: 40px;
            background: rgba(0,0,0,0.35);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-card);
        }
        .cta-box h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-box p {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        
        /* ========== FOOTER ========== */
        .footer-section {
            background: var(--bg-deep);
            padding: 56px 0 32px;
            border-top: 2px solid var(--border-gold);
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            margin-bottom: 14px;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .footer-section h5 {
            color: var(--accent-gold);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-section ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-section ul li {
            margin-bottom: 8px;
        }
        .footer-section ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color 0.2s ease;
        }
        .footer-section ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            margin-top: 36px;
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        
        /* ========== FAB ========== */
        .fab-floating {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 1060;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-deep);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            opacity: 0.7;
            animation: fabBreath 3s ease-in-out infinite;
            cursor: pointer;
        }
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            animation: none;
        }
        .fab-floating:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-deep);
            animation: blink 1.5s ease-in-out infinite;
        }
        
        @keyframes fabBreath {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3); }
            50% { box-shadow: 0 4px 30px rgba(255, 215, 0, 0.55); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.2rem; }
            .section-title { font-size: 1.7rem; }
            .section-block { padding: 52px 0; }
        }
        @media (max-width: 768px) {
            .hero-title { font-size: 1.8rem; }
            .hero-desc { font-size: 1rem; }
            .hero-section { padding: 48px 0 40px; }
            .section-block { padding: 40px 0; }
            .section-title { font-size: 1.5rem; }
            .cta-box { padding: 28px 20px; }
            .cta-box h2 { font-size: 1.5rem; }
            .navbar-brand { font-size: 1.05rem; }
            .btn-login, .btn-signup { padding: 7px 16px; font-size: 0.82rem; }
            .step-card { padding: 18px; gap: 14px; }
            .step-number { min-width: 40px; height: 40px; font-size: 1rem; }
            .info-card { padding: 22px 18px; }
            .fab-floating { left: 16px; bottom: 80px; width: 48px; height: 48px; font-size: 1.2rem; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .hero-title { font-size: 1.55rem; }
            .hero-btn-primary, .hero-btn-secondary { 
                display: block; 
                width: 100%; 
                text-align: center; 
                margin-bottom: 10px; 
            }
            .section-title { font-size: 1.3rem; }
            .poker-table-wrap { padding: 16px; }
            .footer-section { padding: 40px 0 24px; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3521;
            --bg-dark: #071F13;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #8FBFB0;
            --border-gold: rgba(255, 215, 0, 0.3);
            --border-light: rgba(209, 242, 235, 0.15);
            --shadow-gold: 0 8px 32px rgba(255, 215, 0, 0.12);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --font-main: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        
        body {
            font-family: var(--font-main);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color 0.3s ease, opacity 0.3s ease;
        }
        
        a:hover {
            color: #FFE566;
            text-decoration: none;
        }
        
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        
        button:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        
        .container {
            max-width: 1200px;
        }
        
        /* ========== NAVBAR ========== */
        .navbar-custom {
            background: rgba(7, 31, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: box-shadow 0.4s ease, background 0.4s ease;
        }
        
        .navbar-custom.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            background: rgba(7, 31, 19, 0.98);
        }
        
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-white);
            letter-spacing: 0.3px;
            transition: transform 0.3s ease;
        }
        
        .navbar-brand:hover {
            color: var(--accent-gold);
            transform: translateY(-1px);
        }
        
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            border-radius: 50%;
            color: #0A2E1C;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.35);
        }
        
        .navbar-nav {
            gap: 4px;
        }
        
        .navbar-nav .nav-link {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 50px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .navbar-nav .nav-link:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .navbar-nav .nav-link.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }
        
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        
        .navbar-toggler {
            border: 1px solid var(--border-gold);
            padding: 6px 10px;
            border-radius: 8px;
        }
        
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
            border-color: var(--accent-gold);
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFE566;
            color: #FFE566;
            transform: translateY(-1px);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            border: none;
            color: #0A2E1C;
            padding: 9px 22px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }
        
        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE566, #FFC400);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            color: #0A2E1C;
        }
        
        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 50%, var(--bg-dark) 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        
        .hero-category::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(210, 47, 47, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 2;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 7px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        
        .hero-badge i {
            font-size: 0.9rem;
        }
        
        .hero-title {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 2;
            letter-spacing: -0.5px;
        }
        
        .hero-title span {
            color: var(--accent-gold);
        }
        
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 2;
        }
        
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            position: relative;
            z-index: 2;
        }
        
        .btn-primary-cta {
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            border: none;
            color: #0A2E1C;
            padding: 13px 32px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1rem;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-primary-cta:hover {
            background: linear-gradient(135deg, #FFE566, #FFC400);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: #0A2E1C;
        }
        
        .btn-outline-cta {
            background: transparent;
            border: 1.5px solid var(--text-mint);
            color: var(--text-mint);
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-outline-cta:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            transform: translateY(-2px);
        }
        
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
            position: relative;
            z-index: 2;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-light);
        }
        
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        
        .hero-stat-number {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        
        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: var(--spacing-xl) 0;
            position: relative;
        }
        
        .section-block.alt-bg {
            background: var(--bg-secondary);
        }
        
        .section-block.dark-bg {
            background: var(--bg-dark);
        }
        
        .section-header {
            margin-bottom: var(--spacing-lg);
            text-align: left;
        }
        
        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: var(--spacing-xs);
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.3px;
        }
        
        .section-desc {
            font-size: 1rem;
            color: var(--text-mint);
            max-width: 720px;
            line-height: 1.7;
        }
        
        /* ========== TIP CARDS ========== */
        .tip-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }
        
        .tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }
        
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity 0.35s ease;
        }
        
        .tip-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        
        .tip-card:hover::before {
            opacity: 1;
        }
        
        .tip-card-icon {
            width: 52px;
            height: 52px;
            background: rgba(255, 215, 0, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-gold);
            font-size: 1.3rem;
            transition: transform 0.35s ease;
        }
        
        .tip-card:hover .tip-card-icon {
            transform: scale(1.1) rotate(5deg);
        }
        
        .tip-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-xs);
            line-height: 1.4;
        }
        
        .tip-card p {
            font-size: 0.92rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 0;
        }
        
        /* ========== STEPS / PROCESS ========== */
        .steps-container {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
        }
        
        .step-item {
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all 0.3s ease;
        }
        
        .step-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateX(6px);
        }
        
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #0A2E1C;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }
        
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        
        .step-content p {
            font-size: 0.92rem;
            color: var(--text-mint);
            margin-bottom: 0;
            line-height: 1.65;
        }
        
        /* ========== COMPARISON TABLE ========== */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: var(--bg-card);
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            margin-bottom: 0;
        }
        
        .comparison-table thead th {
            background: var(--bg-dark);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 16px 20px;
            text-align: left;
            border-bottom: 2px solid var(--border-gold);
            white-space: nowrap;
        }
        
        .comparison-table tbody td {
            padding: 14px 20px;
            color: var(--text-mint);
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }
        
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        
        .comparison-table tbody tr:hover td {
            background: rgba(255, 215, 0, 0.04);
        }
        
        .table-highlight {
            color: var(--accent-gold);
            font-weight: 700;
        }
        
        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        
        .accordion-custom .accordion-item:hover {
            border-color: var(--border-gold);
        }
        
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all 0.3s ease;
        }
        
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.06);
            color: var(--accent-gold);
            box-shadow: none;
        }
        
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent-gold);
        }
        
        .accordion-custom .accordion-button::after {
            filter: invert(70%) sepia(60%) saturate(300%) hue-rotate(5deg);
        }
        
        .accordion-custom .accordion-body {
            padding: 16px 22px 20px;
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        
        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-dark) 100%);
            border-top: 2px solid var(--border-gold);
            border-bottom: 2px solid var(--border-gold);
            padding: var(--spacing-xl) 0;
            text-align: left;
        }
        
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 650px;
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }
        
        /* ========== FOOTER ========== */
        .footer-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-light);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            color: var(--text-mint);
        }
        
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .footer-section h5 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: var(--spacing-sm);
        }
        
        .footer-section ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-section ul li {
            margin-bottom: 8px;
        }
        
        .footer-section ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
        }
        
        .footer-section ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        
        /* ========== FAB ========== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1055;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A, #0A0A0A);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all 0.35s ease;
            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, 0.5);
            color: #FFE566;
            animation-play-state: paused;
        }
        
        .fab-support:active {
            transform: scale(0.95);
        }
        
        .fab-support .fab-notification {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 16px;
            height: 16px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: fabBlink 1.8s ease-in-out infinite;
        }
        
        @keyframes fabBreath {
            0%, 100% { opacity: 0.7; transform: translateY(0); }
            50% { opacity: 1; transform: translateY(-5px); }
        }
        
        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }
        
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.1rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }
        
        @media (max-width: 768px) {
            :root {
                --spacing-xl: 48px;
                --spacing-xxl: 56px;
                --spacing-lg: 32px;
            }
            
            .navbar-custom {
                padding: 8px 0;
            }
            
            .navbar-brand {
                font-size: 1rem;
            }
            
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            
            .navbar-nav {
                gap: 2px;
            }
            
            .navbar-nav .nav-link {
                padding: 6px 12px !important;
                font-size: 0.85rem;
            }
            
            .btn-login, .btn-signup {
                padding: 7px 16px;
                font-size: 0.82rem;
            }
            
            .hero-category {
                padding: var(--spacing-lg) 0;
            }
            
            .hero-title {
                font-size: 1.8rem;
                line-height: 1.3;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .hero-stats-row {
                gap: var(--spacing-sm);
            }
            
            .hero-stat-number {
                font-size: 1.4rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .tip-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            
            .step-item {
                flex-direction: column;
                gap: var(--spacing-xs);
            }
            
            .fab-support {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 84px;
            }
        }
        
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.55rem;
            }
            
            .hero-badge {
                font-size: 0.78rem;
                padding: 5px 12px;
            }
            
            .btn-primary-cta, .btn-outline-cta {
                padding: 11px 22px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            
            .section-title {
                font-size: 1.35rem;
            }
            
            .cta-section h2 {
                font-size: 1.5rem;
            }
            
            .navbar-custom .btn-login {
                display: none;
            }
            
            .navbar-custom .btn-signup {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
        }