/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3321;
            --bg-dark: #071f12;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #9bb5a9;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-card: rgba(255, 215, 0, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-button: 0 4px 12px rgba(211, 47, 47, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        ul, ol {
            list-style: none;
        }

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

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.98) 0%, rgba(16, 54, 35, 0.95) 100%);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            text-transform: uppercase;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--bg-primary);
            font-weight: 800;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.5);
        }

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

        .main-nav a {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .btn {
            padding: 11px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-gold);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            box-shadow: var(--shadow-button);
            border: none;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.55);
            filter: brightness(1.1);
        }

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

        .mobile-menu-btn {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.8rem;
            padding: 6px;
            border-radius: 8px;
            line-height: 1;
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background: linear-gradient(170deg, var(--bg-dark) 0%, var(--bg-primary) 40%, var(--bg-secondary) 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -150px;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            flex: 1 1 55%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 24px;
            letter-spacing: 0.03em;
        }

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

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }

        .hero h1 {
            font-size: clamp(2.4rem, 5.5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }

        .hero h1 .highlight {
            color: var(--accent-gold);
            position: relative;
            display: inline-block;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 580px;
            margin-bottom: 36px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent-gold), #e6b800);
            color: var(--bg-dark);
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: var(--shadow-gold);
            letter-spacing: -0.01em;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.5);
        }

        .btn-hero-secondary {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 50px;
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 1.5rem;
            line-height: 1.2;
        }

        .hero-stat small {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-visual {
            flex: 1 1 45%;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-coupon-wall {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            width: 100%;
            max-width: 500px;
        }

        .coupon-card {
            background: linear-gradient(145deg, #1a3d2a, #0e2f1d);
            border: 1.5px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .coupon-card.main-coupon {
            grid-column: 1 / -1;
            background: linear-gradient(145deg, #2a1a10, #3d1f14);
            border: 2px solid var(--accent-gold);
            box-shadow: var(--shadow-gold);
            padding: 28px 24px;
        }

        .coupon-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(255, 215, 0, 0.3);
            border-color: var(--accent-gold);
        }

        .coupon-card .coupon-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }

        .coupon-card.main-coupon .coupon-value {
            font-size: 2.8rem;
        }

        .coupon-card .coupon-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 600;
        }

        .coupon-card .coupon-code {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-top: 10px;
            letter-spacing: 0.05em;
        }

        .coupon-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 50px;
        }

        /* ===== SECTION GENERAL ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-header {
            margin-bottom: 52px;
        }

        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ===== BRAND STORY ===== */
        .brand-story {
            background: var(--bg-dark);
            position: relative;
        }

        .brand-story-inner {
            display: flex;
            gap: 56px;
            align-items: center;
        }

        .brand-story-text {
            flex: 1 1 55%;
        }

        .brand-story-text p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .brand-story-image {
            flex: 1 1 45%;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-gold);
        }

        .brand-story-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .trust-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

        .trust-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.08);
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
        }

        /* ===== FOCUS THEMES ===== */
        .focus-themes {
            background: var(--bg-primary);
        }

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

        .theme-card {
            background: linear-gradient(160deg, var(--bg-card), var(--bg-dark));
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

        .theme-card-icon {
            font-size: 2.6rem;
            margin-bottom: 18px;
            display: block;
        }

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

        .theme-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== CHANNEL SELLING ===== */
        .channel-selling {
            background: var(--bg-secondary);
        }

        .channel-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .channel-step {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 28px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            transition: all var(--transition-fast);
        }

        .channel-step:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }

        .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--bg-dark);
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

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

        .objection-box {
            background: rgba(211, 47, 47, 0.08);
            border: 1px solid rgba(211, 47, 47, 0.3);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-top: 36px;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== SCENE DEMO ===== */
        .scene-demo {
            background: var(--bg-dark);
        }

        .scene-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: stretch;
        }

        .scene-card {
            flex: 1 1 280px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-card);
            transition: all var(--transition-fast);
        }

        .scene-card:hover {
            border-color: var(--accent-gold);
        }

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

        .scene-card-body {
            padding: 22px 20px;
        }

        .scene-card-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .scene-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* ===== TESTIMONIAL BUBBLES ===== */
        .testimonial-bubbles {
            background: var(--bg-primary);
        }

        .bubbles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .bubble-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            position: relative;
        }

        .bubble-card::before {
            content: '\201C';
            font-size: 4rem;
            color: var(--accent-gold);
            opacity: 0.3;
            position: absolute;
            top: 8px;
            left: 16px;
            font-family: Georgia, serif;
            line-height: 1;
        }

        .bubble-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            padding-top: 8px;
        }

        .bubble-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-gold);
        }

        .bubble-author span {
            display: block;
            font-weight: 500;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== NEWS / CMS LIST ===== */
        .news-section {
            background: var(--bg-secondary);
        }

        .news-layout {
            display: flex;
            gap: 40px;
        }

        .news-list {
            flex: 1 1 60%;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 18px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            transition: all var(--transition-fast);
        }

        .news-item:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .news-item-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            flex: 1;
            line-height: 1.4;
        }

        .news-item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .news-sidebar {
            flex: 1 1 35%;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-card);
            height: fit-content;
        }

        .news-sidebar h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--accent-gold);
        }

        .news-sidebar-item {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-card);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .news-sidebar-item:hover {
            color: var(--accent-gold);
        }

        .news-sidebar-item:last-child {
            border-bottom: none;
        }

        /* ===== SUBSCRIBE CTA ===== */
        .subscribe-cta {
            background: linear-gradient(160deg, var(--bg-dark), #0a1f14);
            text-align: center;
            padding: 80px 0;
        }

        .subscribe-cta .section-title {
            color: var(--accent-gold);
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 32px auto 0;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-input {
            flex: 1 1 280px;
            padding: 14px 22px;
            border-radius: 50px;
            border: 1.5px solid var(--border-gold);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
            font-family: inherit;
        }

        .subscribe-input:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
        }

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

        .btn-subscribe {
            background: var(--accent-gold);
            color: var(--bg-dark);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-subscribe:hover {
            filter: brightness(1.15);
            transform: translateY(-2px);
        }

        /* ===== AGENDA TIMELINE ===== */
        .agenda-timeline {
            background: var(--bg-primary);
        }

        .timeline {
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
            opacity: 0.5;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 36px;
            padding-left: 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -31px;
            top: 4px;
            width: 16px;
            height: 16px;
            background: var(--accent-gold);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.6);
        }

        .timeline-time {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }

        .timeline-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-card);
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            align-items: center;
        }

        .footer-bottom .badge-18 {
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
        }

        /* ===== FAB ===== */
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 100;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--bg-dark), var(--bg-card));
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-smooth);
            animation: fab-float 3s ease-in-out infinite;
            opacity: 0.7;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

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

        .fab-notification {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .hero-content {
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            .hero-desc {
                max-width: 100%;
            }
            .hero-stats {
                justify-content: center;
            }
            .brand-story-inner {
                flex-direction: column;
            }
            .news-layout {
                flex-direction: column;
            }
            .hero-coupon-wall {
                max-width: 400px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.99);
                flex-direction: column;
                padding: 20px;
                border-top: 1px solid var(--border-gold);
                border-bottom: 1px solid var(--border-gold);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 20px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-actions {
                gap: 8px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.82rem;
            }
            .section {
                padding: 64px 0;
            }
            .hero {
                padding: 100px 0 64px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .theme-grid {
                grid-template-columns: 1fr;
            }
            .channel-steps {
                grid-template-columns: 1fr;
            }
            .bubbles-grid {
                grid-template-columns: 1fr;
            }
            .hero-coupon-wall {
                grid-template-columns: 1fr;
                max-width: 300px;
            }
            .coupon-card.main-coupon {
                grid-column: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                padding-left: 32px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .hero-stats {
                gap: 20px;
            }
            .scene-strip {
                flex-direction: column;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .btn-subscribe {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3321;
            --bg-dark: #071f12;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #9bb5a9;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-card: rgba(255, 215, 0, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-button: 0 4px 12px rgba(211, 47, 47, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

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

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.98) 0%, rgba(16, 54, 35, 0.95) 100%);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            text-transform: uppercase;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--bg-primary);
            font-weight: 800;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.5);
        }

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

        .main-nav a {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .btn {
            padding: 11px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-gold);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            box-shadow: var(--shadow-button);
            border: none;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.55);
            filter: brightness(1.1);
        }

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

        .mobile-menu-btn {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.8rem;
            padding: 6px;
            border-radius: 8px;
            line-height: 1;
        }

        main {
            padding-top: 72px;
            min-height: 60vh;
        }

        .article-page {
            padding: 60px 0;
        }

        .article-hero {
            position: relative;
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-dark));
            border-bottom: 1px solid var(--border-gold);
            padding: 80px 0 60px;
            margin-bottom: 40px;
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 48px;
            align-items: start;
        }

        .article-hero-text h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--accent-gold);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .article-meta {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .article-meta-item i {
            color: var(--accent-gold);
        }

        .tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .article-cover-box {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .article-cover-box img {
            width: 100%;
            height: auto;
            display: block;
        }

        .article-cover-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .hot-badge {
            background: var(--accent-red);
            color: #fff;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(211, 47, 47, 0.6);
        }

        .article-body-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            margin-top: 40px;
        }

        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            padding: 48px;
            line-height: 1.8;
            color: var(--text-secondary);
            font-size: 1.05rem;
        }

        .article-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-top: 40px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-gold);
        }

        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 32px;
            margin-bottom: 12px;
        }

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

        .article-content ul,
        .article-content ol {
            margin: 20px 0;
            padding-left: 28px;
        }

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

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

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

        .article-content a:hover {
            color: var(--accent-gold);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            padding: 16px 24px;
            background: rgba(255, 215, 0, 0.05);
            border-radius: var(--radius-sm);
            margin: 28px 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .sidebar-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .btn-cta-block {
            display: block;
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-button);
            margin-bottom: 12px;
        }

        .btn-cta-block:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(211, 47, 47, 0.55);
            filter: brightness(1.1);
        }

        .btn-cta-block.secondary {
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--accent-gold);
            box-shadow: none;
        }

        .btn-cta-block.secondary:hover {
            background: rgba(255, 215, 0, 0.08);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
        }

        .not-found-section {
            text-align: center;
            padding: 100px 20px;
        }

        .not-found-section h2 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .not-found-section p {
            color: var(--text-muted);
            margin-bottom: 32px;
        }

        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 32px;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 48px;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 20px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 0.75rem;
        }

        @media (max-width: 1024px) {
            .article-hero-content {
                grid-template-columns: 1fr;
            }
            .article-cover-box {
                max-width: 500px;
                margin: 0 auto;
            }
            .article-body-wrapper {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-gold);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .article-hero {
                padding: 48px 0 40px;
            }
            .article-hero-text h1 {
                font-size: 1.6rem;
            }
            .article-content {
                padding: 28px 20px;
            }
            .article-content h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .article-hero-text h1 {
                font-size: 1.4rem;
            }
            .article-content {
                padding: 20px 16px;
                font-size: 0.95rem;
            }
            .article-content h2 {
                font-size: 1.25rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3321;
            --bg-dark: #071f12;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #9bb5a9;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-card: rgba(255, 215, 0, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-button: 0 4px 12px rgba(211, 47, 47, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            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: 1.65;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

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

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.98) 0%, rgba(16, 54, 35, 0.95) 100%);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            text-transform: uppercase;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--bg-primary);
            font-weight: 800;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.5);
        }

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

        .main-nav a {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .btn {
            padding: 11px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-gold);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            box-shadow: var(--shadow-button);
            border: none;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.55);
            filter: brightness(1.1);
        }

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

        .mobile-menu-btn {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.8rem;
            padding: 6px;
            border-radius: 8px;
            line-height: 1;
        }

        .page-hero {
            position: relative;
            padding: 160px 0 100px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(7, 31, 18, 0.85) 100%);
            z-index: 1;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content {
            text-align: left;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 8px 20px;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 1rem;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }

        .hero-content h1 span {
            color: var(--accent-gold);
        }

        .hero-content .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-kpi {
            display: flex;
            gap: 32px;
            margin-top: 8px;
        }

        .kpi-item {
            display: flex;
            flex-direction: column;
        }

        .kpi-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
        }

        .kpi-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-gold);
            border: 1px solid var(--border-gold);
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: var(--bg-dark);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.35);
            transition: all var(--transition-smooth);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.5);
            filter: brightness(1.08);
        }

        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-smooth);
        }

        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.1);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.25);
            transform: translateY(-2px);
        }

        section {
            padding: 80px 0;
        }

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

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

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

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 680px;
        }

        .giftcode-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }

        .giftcode-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-smooth);
            position: relative;
            box-shadow: var(--shadow-card);
        }

        .giftcode-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(255, 215, 0, 0.2);
        }

        .giftcode-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.8rem;
            margin-bottom: 16px;
        }

        .tag-hot {
            background: var(--accent-red);
            color: #fff;
        }

        .tag-new {
            background: var(--accent-gold);
            color: var(--bg-dark);
        }

        .tag-limited {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
        }

        .giftcode-card .game-icon {
            width: 56px;
            height: 56px;
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 16px;
        }

        .giftcode-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .giftcode-card .code-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .giftcode-card .code-note {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .giftcode-card .code-string {
            background: var(--bg-dark);
            border: 1px dashed var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-family: 'Courier New', monospace;
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            text-align: center;
            margin-bottom: 16px;
            word-break: break-all;
        }

        .btn-copy {
            width: 100%;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 10px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .btn-copy:hover {
            background: var(--accent-gold);
            color: var(--bg-dark);
            box-shadow: var(--shadow-gold);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-card);
            text-align: left;
            position: relative;
            transition: all var(--transition-smooth);
        }

        .step-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--bg-dark);
            margin-bottom: 16px;
        }

        .step-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .feature-text h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .feature-text h2 span {
            color: var(--accent-gold);
        }

        .feature-text p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
        }

        .feature-list li::before {
            content: '✓';
            font-weight: 700;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.15);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.85rem;
        }

        .feature-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-gold);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
        }

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

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

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-primary);
            background: var(--bg-secondary);
        }

        .faq-question::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-question::after {
            content: '−';
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        .cta-banner {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-dark));
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-gold);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--accent-gold);
        }

        .cta-banner p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1.05rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid var(--border-card);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            font-size: 0.8rem;
            justify-content: center;
            flex-shrink: 0;
        }

        .left-fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3a3a3a, #1a1a1a);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: float 3s ease-in-out infinite;
            transition: all var(--transition-smooth);
            opacity: 0.7;
        }

        .left-fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.55);
        }

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

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

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

            .hero-content h1 {
                font-size: 2.4rem;
            }

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

            .feature-row {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .feature-image {
                order: -1;
            }

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .header-actions .btn-login {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .header-actions .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

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

            .hero-kpi {
                flex-wrap: wrap;
                gap: 20px;
            }

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

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

            .section-header h2 {
                font-size: 1.7rem;
            }

            .cta-banner h2 {
                font-size: 1.6rem;
            }

            section {
                padding: 50px 0;
            }

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

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

            .hero-content h1 {
                font-size: 1.6rem;
            }

            .hero-cta-row {
                flex-direction: column;
            }

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

            .kpi-value {
                font-size: 1.5rem;
            }

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

            .left-fab {
                width: 48px;
                height: 48px;
                left: 16px;
                bottom: 80px;
                font-size: 1.4rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3321;
            --bg-dark: #071f12;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #9bb5a9;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-card: rgba(255, 215, 0, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-button: 0 4px 12px rgba(211, 47, 47, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

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

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.98) 0%, rgba(16, 54, 35, 0.95) 100%);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            text-transform: uppercase;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--bg-primary);
            font-weight: 800;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.5);
        }

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

        .main-nav a {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .btn {
            padding: 11px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-gold);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            box-shadow: var(--shadow-button);
            border: none;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.55);
            filter: brightness(1.1);
        }

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

        .mobile-menu-btn {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.8rem;
            padding: 6px;
            border-radius: 8px;
            line-height: 1;
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            min-height: 420px;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.9) 0%, rgba(6, 30, 18, 0.95) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            display: flex;
            align-items: center;
            padding-top: 90px;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 60%);
        }

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

        .banner-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .banner-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .banner-text h1 span {
            color: var(--accent-gold);
        }

        .banner-text p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
        }

        .tag i {
            font-size: 0.9rem;
        }

        .banner-stats {
            display: flex;
            gap: 40px;
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }

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

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

        .banner-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 2px solid var(--border-gold);
            max-width: 100%;
        }

        .banner-visual .explosion-badge {
            position: absolute;
            top: -20px;
            right: -20px;
            background: linear-gradient(135deg, var(--accent-red), #ff5252);
            color: #fff;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            text-align: center;
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.5);
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.08);
            }
        }

        /* ===== SECTION STYLES ===== */
        section {
            padding: 80px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 48px;
            line-height: 1.65;
        }

        /* ===== FEATURES GRID ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 191, 0, 0.1));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }

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

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

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

        .comparison-table-wrap {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .comparison-table thead th {
            background: var(--bg-card);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 18px 20px;
            text-align: left;
            font-size: 0.95rem;
            border-bottom: 2px solid var(--border-gold);
        }

        .comparison-table tbody td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-card);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .comparison-table tbody tr:hover {
            background: rgba(255, 215, 0, 0.03);
        }

        .badge-check {
            color: #4caf50;
            font-size: 1.2rem;
        }

        .badge-star {
            color: var(--accent-gold);
        }

        /* ===== STEPS ===== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition-smooth);
        }

        .step-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--bg-primary);
            margin: 0 auto 16px;
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 215, 0, 0.03);
        }

        .faq-question i {
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.15) 0%, rgba(10, 46, 28, 0.9) 100%), url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            position: relative;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.05) 0%, transparent 70%);
        }

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

        .cta-section .section-title {
            font-size: 2.2rem;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .btn-cta-primary {
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-button);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(211, 47, 47, 0.55);
            filter: brightness(1.1);
        }

        .btn-cta-secondary {
            background: transparent;
            color: var(--accent-gold);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--border-gold);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            padding: 6px 0;
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-card);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        /* ===== FAB ===== */
        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 40% 40%, #1A1A1A, #0A0A0A);
            border: 2px solid #FFD700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            opacity: 0.7;
            transition: all var(--transition-smooth);
            animation: float-vertical 3s ease-in-out infinite;
        }

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

        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
            animation-play-state: paused;
        }

        .fab-float .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: blink-dot 1.5s infinite;
        }

        @keyframes blink-dot {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .banner-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .banner-visual {
                order: -1;
            }
            .banner-visual img {
                max-width: 70%;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-inner {
                gap: 12px;
            }
            .logo {
                font-size: 0.9rem;
            }
            .banner-text h1 {
                font-size: 2rem;
            }
            section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .banner-stats {
                flex-wrap: wrap;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 12px 14px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
            }
            .logo {
                font-size: 0.8rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .page-banner {
                min-height: auto;
                padding: 100px 0 48px;
            }
            .banner-text h1 {
                font-size: 1.7rem;
            }
            .banner-visual .explosion-badge {
                width: 60px;
                height: 60px;
                font-size: 0.7rem;
                top: -10px;
                right: -10px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .fab-float {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

.main-nav.show {
            display: flex !important;
            flex-direction: column;
            position: absolute;
            top: 72px;
            left: 0;
            width: 100%;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-gold);
            padding: 16px 24px;
            z-index: 999;
            gap: 4px;
        }
        .main-nav.show a {
            padding: 14px 18px;
            border-radius: 12px;
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3321;
            --bg-dark: #071f12;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #9bb5a9;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-card: rgba(255, 215, 0, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-button: 0 4px 12px rgba(211, 47, 47, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            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: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            padding-top: 72px;
        }

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

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

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

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

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.98) 0%, rgba(16, 54, 35, 0.95) 100%);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            text-transform: uppercase;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--bg-primary);
            font-weight: 800;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.5);
        }

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

        .main-nav a {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .btn {
            padding: 11px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-gold);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            box-shadow: var(--shadow-button);
            border: none;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.55);
            filter: brightness(1.1);
        }

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

        .mobile-menu-btn {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.8rem;
            padding: 6px;
            border-radius: 8px;
            line-height: 1;
        }

        /* ===== PAGE HERO ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #071f12 0%, #0A2E1C 40%, #123E25 100%);
            padding: 80px 0 70px;
            border-bottom: 1px solid var(--border-gold);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid rgba(211, 47, 47, 0.5);
            color: var(--accent-red);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 8px 20px;
            border-radius: 50px;
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .page-hero h1 .gold {
            color: var(--accent-gold);
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 12px;
        }

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

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

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

        .hero-visual-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-gold);
            position: relative;
        }

        .hero-visual-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--accent-gold);
        }

        .checklist {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        .checklist li i {
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* ===== CRITERIA TABLE ===== */
        .criteria-section {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 50px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
        }

        .criteria-table {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .criteria-row {
            display: grid;
            grid-template-columns: 200px 1fr 1fr 180px;
            align-items: center;
            padding: 20px 28px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
            transition: background var(--transition-fast);
        }

        .criteria-row:last-child {
            border-bottom: none;
        }

        .criteria-row:hover {
            background: rgba(255, 215, 0, 0.03);
        }

        .criteria-row.header-row {
            background: rgba(255, 215, 0, 0.1);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--accent-gold);
        }

        .criteria-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }

        .criteria-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .criteria-rating {
            display: flex;
            gap: 3px;
        }

        .criteria-rating i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .criteria-rating i.fa-star-half-stroke {
            color: var(--accent-amber);
        }

        /* ===== CHECKLIST SECTION ===== */
        .checklist-section {
            padding: 0 0 80px;
        }

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

        .checklist-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all var(--transition-smooth);
        }

        .checklist-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .checklist-card .card-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 191, 0, 0.1));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }

        .checklist-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* ===== DOWNLOAD CTA ===== */
        .download-cta {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-secondary) 50%, var(--bg-dark) 100%);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }

        .download-cta::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
        }

        .download-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .download-info h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .download-info p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 28px;
        }

        .download-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-download {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-dark);
            font-weight: 800;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-smooth);
        }

        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(255, 215, 0, 0.45);
            filter: brightness(1.08);
        }

        .download-preview {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            text-align: center;
        }

        .download-preview img {
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            width: 100%;
            object-fit: cover;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

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

        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-primary);
            padding: 22px 28px;
            font-size: 1.05rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .faq-question i {
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
            font-size: 1.1rem;
        }

        .faq-answer {
            padding: 0 28px 22px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px solid rgba(255, 215, 0, 0.06);
            padding-top: 16px;
            margin: 0 28px 22px;
            padding-left: 0;
            padding-right: 0;
        }

        /* ===== FLOATING ACTION BUTTON ===== */
        .fab-container {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 999;
        }

        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--bg-dark), #0a1f14);
            border: 2px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.2);
            transition: all var(--transition-smooth);
            opacity: 0.75;
            animation: fab-float 2.5s ease-in-out infinite;
            position: relative;
        }

        .fab-btn::before {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 1px solid rgba(255, 215, 0, 0.3);
            animation: fab-shimmer 2s linear infinite;
        }

        .fab-btn .fab-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            animation: fab-blink 1.2s ease-in-out infinite;
        }

        .fab-btn:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.4);
        }

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

        @keyframes fab-shimmer {
            0% { opacity: 0.3; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.08); }
            100% { opacity: 0.3; transform: scale(1); }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 24px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 2px solid var(--accent-red);
            color: var(--accent-red);
            border-radius: 50%;
            font-weight: 800;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

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

            .hero-visual-card {
                order: -1;
            }

            .criteria-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 20px;
            }

            .criteria-row .criteria-name {
                grid-column: 1 / -1;
            }

            .criteria-row.header-row {
                display: none;
            }

            .download-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-dark);
                flex-direction: column;
                padding: 20px 24px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
            }

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

            .main-nav a {
                padding: 14px 20px;
                font-size: 1rem;
            }

            .mobile-menu-btn {
                display: block;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

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

            .hero-stats {
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .download-btns {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }

            .criteria-row {
                grid-template-columns: 1fr;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .header-inner {
                gap: 12px;
            }

            .logo {
                font-size: 0.85rem;
            }

            .btn {
                padding: 9px 18px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D3321;
            --bg-dark: #071f12;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-amber: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #9bb5a9;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-card: rgba(255, 215, 0, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-button: 0 4px 12px rgba(211, 47, 47, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            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: 1.65;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

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

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.98) 0%, rgba(16, 54, 35, 0.95) 100%);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            transition: background var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            text-transform: uppercase;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--bg-primary);
            font-weight: 800;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.5);
        }

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

        .main-nav a {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .btn {
            padding: 11px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-gold);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            box-shadow: var(--shadow-button);
            border: none;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.55);
            filter: brightness(1.1);
        }

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

        .mobile-menu-btn {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.8rem;
            padding: 6px;
            border-radius: 8px;
            line-height: 1;
        }

        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 120px 0 60px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0D3321 50%, #071f12 100%);
            border-bottom: 1px solid var(--border-gold);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .page-hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--accent-gold);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .page-hero-text .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            padding: 8px 20px;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent-gold);
            margin-bottom: 24px;
        }

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

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }

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

        .hero-visual img {
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-gold);
            border: 2px solid var(--border-gold);
        }

        .hero-tag {
            position: absolute;
            top: -12px;
            right: -12px;
            background: linear-gradient(135deg, var(--accent-red), #b71c1c);
            color: #fff;
            font-weight: 800;
            font-size: 0.75rem;
            padding: 8px 16px;
            border-radius: 50px;
            box-shadow: var(--shadow-button);
            animation: float-tag 2s ease-in-out infinite;
        }

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

        .section {
            padding: 80px 0;
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

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

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

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

        .feature-icon {
            font-size: 2.4rem;
            margin-bottom: 16px;
            display: block;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .steps-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
        }

        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            max-width: 800px;
            margin: 0 auto;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-fast);
        }

        .step-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card);
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 12px;
        }

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

        .comparison-table tbody td {
            background: var(--bg-card);
            color: var(--text-secondary);
            padding: 16px 20px;
            font-size: 0.9rem;
            border: 1px solid var(--border-card);
        }

        .comparison-table tbody tr:hover td {
            border-color: var(--border-gold);
            background: var(--bg-secondary);
        }

        .highlight-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 50px;
            margin-left: 8px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card);
        }

        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4::before {
            content: '▶';
            font-size: 0.7rem;
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
        }

        .faq-item:hover h4::before {
            transform: rotate(90deg);
        }

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

        .cta-section {
            background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-primary) 100%);
            border-top: 1px solid var(--border-gold);
            text-align: center;
            padding: 80px 0;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-dark);
            font-weight: 800;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.45);
            filter: brightness(1.1);
        }

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

        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--border-gold);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
        }

        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.08);
            box-shadow: 0 0 24px rgba(255, 215, 0, 0.2);
        }

        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 32px;
            border-top: 1px solid var(--border-gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-card);
            padding-top: 24px;
        }

        .badge-18 {
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 50px;
        }

        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            box-shadow: var(--shadow-gold);
            opacity: 0.7;
            animation: float-fab 3s ease-in-out infinite;
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: 2px solid rgba(255, 215, 0, 0.6);
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.55);
        }

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

        @media (max-width: 1024px) {
            .page-hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-visual img {
                max-width: 320px;
                margin: 0 auto;
            }

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

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

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .header-actions .btn-login {
                display: none;
            }

            .header-actions .btn-signup {
                padding: 10px 20px;
                font-size: 0.85rem;
            }

            .page-hero {
                min-height: auto;
                padding: 100px 0 40px;
            }

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

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

            .comparison-table {
                display: block;
                overflow-x: auto;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

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

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

            .header-actions .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

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

            .section {
                padding: 48px 0;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .step-item {
                flex-direction: column;
                gap: 12px;
            }
        }