/* roulang page: index */
:root {
            --bg-deep: #0B0B0B;
            --bg-charcoal: #161616;
            --bg-card: #1C1C1E;
            --accent-lava: #FF4500;
            --accent-fire: #FF0000;
            --accent-gold: #FFD700;
            --text-white: #FFFFFF;
            --text-warm-gray: #CCCCCC;
            --text-muted: #999999;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 69, 0, 0.6);
            --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 20px rgba(255, 69, 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --font-primary: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --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-primary);
            background: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            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;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

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

        .site-header.scrolled {
            background: rgba(11, 11, 11, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: var(--spacing-md);
        }

        .logo {
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(255, 69, 0, 0.4);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
        }

        .logo-text .brand-main {
            font-size: 1rem;
            font-weight: 800;
            line-height: 1.15;
        }

        .logo-text .brand-sub {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--accent-gold);
            letter-spacing: 0.04em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            list-style: none;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-warm-gray);
            padding: 8px 16px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-white);
            background: rgba(255, 69, 0, 0.15);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }

        .btn-login {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-warm-gray);
            padding: 8px 18px;
            border-radius: 50px;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-signup {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            padding: 10px 22px;
            border-radius: 50px;
            box-shadow: 0 4px 20px rgba(255, 69, 0, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 69, 0, 0.5);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .mobile-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* Hero Section */
        .hero {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(180deg, rgba(11, 11, 11, 0.7) 0%, rgba(22, 22, 22, 0.85) 60%, var(--bg-deep) 100%);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 11, 0.6) 0%, rgba(11, 11, 11, 0.4) 50%, var(--bg-deep) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 69, 0, 0.2);
            border: 1px solid rgba(255, 69, 0, 0.4);
            color: #FF6B35;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 8px 16px;
            border-radius: 50px;
            margin-bottom: var(--spacing-md);
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-lava);
            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(1.3); }
        }

        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: var(--spacing-md);
            color: var(--text-white);
        }

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

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-warm-gray);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 640px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
        }

        .btn-primary {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            padding: 14px 32px;
            border-radius: 50px;
            box-shadow: 0 8px 30px rgba(255, 69, 0, 0.4);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255, 69, 0, 0.55);
        }

        .btn-secondary {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 14px 28px;
            border-radius: 50px;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
        }

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

        .hero-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
        }

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

        /* Countdown Bar */
        .countdown-bar {
            background: linear-gradient(90deg, var(--accent-lava), var(--accent-fire));
            padding: 12px 0;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .countdown-bar .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .countdown-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .countdown-item {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold);
            min-width: 40px;
            text-align: center;
        }

        .countdown-sep {
            font-size: 1.2rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Section General */
        section {
            padding: var(--spacing-xl) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header.left {
            text-align: left;
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-lava);
            margin-bottom: var(--spacing-xs);
        }

        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-warm-gray);
            line-height: 1.7;
            max-width: 640px;
        }

        /* Collection Grid */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }

        .collection-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            position: relative;
        }

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

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

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

        .collection-card:hover .card-img img {
            transform: scale(1.06);
        }

        .collection-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 69, 0, 0.9);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            padding: 4px 10px;
            border-radius: 20px;
            z-index: 2;
        }

        .collection-card .card-body {
            padding: var(--spacing-md);
        }

        .collection-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .collection-card .card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Recommendation Section */
        .recommendation-section {
            background: var(--bg-charcoal);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .recommendation-row {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding-bottom: var(--spacing-sm);
            scrollbar-width: thin;
            scrollbar-color: var(--accent-lava) var(--bg-card);
        }

        .recommendation-row::-webkit-scrollbar {
            height: 6px;
        }

        .recommendation-row::-webkit-scrollbar-track {
            background: var(--bg-card);
            border-radius: 3px;
        }

        .recommendation-row::-webkit-scrollbar-thumb {
            background: var(--accent-lava);
            border-radius: 3px;
        }

        .recommendation-item {
            min-width: 260px;
            max-width: 260px;
            background: var(--bg-deep);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-smooth);
            flex-shrink: 0;
        }

        .recommendation-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-soft);
        }

        .recommendation-item .rec-icon {
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
        }

        .recommendation-item .rec-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .recommendation-item .rec-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: var(--spacing-lg);
        }

        .news-list {
            list-style: none;
        }

        .news-list li {
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-md) 0;
            transition: all var(--transition-fast);
        }

        .news-list li:hover {
            padding-left: 8px;
        }

        .news-list a {
            display: block;
        }

        .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .news-sidebar {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            height: fit-content;
        }

        .news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-gold);
        }

        .news-sidebar ul {
            list-style: none;
        }

        .news-sidebar li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.85rem;
            color: var(--text-warm-gray);
        }

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

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
            max-width: 700px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-lava), var(--accent-fire), var(--accent-gold));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: var(--spacing-lg);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--accent-lava);
            border-radius: 50%;
            border: 3px solid var(--bg-deep);
            box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.3);
        }

        .timeline-item .tl-date {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }

        .timeline-item .tl-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

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

        /* Reviews / Testimonials */
        .review-bubbles {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }

        .review-bubble {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            position: relative;
            transition: all var(--transition-smooth);
        }

        .review-bubble:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-soft);
        }

        .review-bubble .review-text {
            font-size: 0.9rem;
            color: var(--text-warm-gray);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
            font-style: italic;
        }

        .review-bubble .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
        }

        .review-author .review-name {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-white);
        }

        .review-author .review-date {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

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

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

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

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

        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--accent-lava);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 0.9rem;
            color: var(--text-warm-gray);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 69, 0, 0.15), rgba(255, 0, 0, 0.08));
            border: 1px solid rgba(255, 69, 0, 0.25);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .cta-section .cta-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }

        .cta-section .cta-desc {
            font-size: 1rem;
            color: var(--text-warm-gray);
            max-width: 560px;
            margin: 0 auto var(--spacing-lg);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-charcoal);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .logo {
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom .payment-badges {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .payment-badge {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-subtle);
            border-radius: 6px;
            padding: 6px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-warm-gray);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 11, 11, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(11, 11, 11, 0.85), rgba(11, 11, 11, 0.85)), linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 20px rgba(255, 69, 0, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            transition: all var(--transition-smooth);
            opacity: 0.65;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(255, 69, 0, 0.6);
        }

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

        @keyframes fab-breathe {
            0%, 100% { box-shadow: 0 0 20px rgba(255, 69, 0, 0.4); }
            50% { box-shadow: 0 0 35px rgba(255, 69, 0, 0.7); }
        }

        .fab .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--accent-fire);
            border-radius: 50%;
            border: 2px solid var(--bg-deep);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            
            .news-layout {
                grid-template-columns: 1fr;
            }
            
            .news-sidebar {
                order: -1;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                height: 60px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: 4px;
                border-bottom: 1px solid var(--border-subtle);
            }

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

            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 12px 16px;
            }

            .nav-auth {
                gap: 6px;
            }

            .btn-login {
                font-size: 0.8rem;
                padding: 6px 14px;
            }

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

            .mobile-toggle {
                display: flex;
            }

            .hero {
                padding: 110px 0 50px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .hero-stats {
                gap: var(--spacing-md);
            }

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

            .review-bubbles {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            section {
                padding: var(--spacing-lg) 0;
            }

            .cta-section {
                padding: var(--spacing-lg);
                border-radius: var(--radius-lg);
            }
        }

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

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

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

            .section-title {
                font-size: 1.5rem;
            }

            .countdown-bar .container {
                gap: var(--spacing-xs);
            }

            .countdown-item {
                font-size: 0.95rem;
                min-width: 32px;
                padding: 3px 8px;
            }

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

/* roulang page: article */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #1A1533;
            --bg-card: #221B45;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #7A7E85;
            --border-neon: rgba(0, 240, 255, 0.35);
            --border-lime: rgba(204, 255, 0, 0.35);
            --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.3);
            --shadow-lime: 0 0 25px rgba(204, 255, 0, 0.25);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-xl: 40px;
            --font-sans: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-display: 'Inter', 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --container-pad: 24px;
        }

        * {
            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-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: background var(--transition-smooth), border-color var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(15, 12, 32, 0.95);
            border-bottom-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 16px 0;
            min-height: 72px;
        }

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

        .logo:hover {
            transform: translateY(-1px);
        }

        .logo-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            transition: box-shadow var(--transition-fast);
        }

        .logo:hover .logo-icon {
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.5);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .brand-main {
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            white-space: nowrap;
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .nav-links a.active {
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            box-shadow: 0 4px 16px rgba(0, 240, 255, 0.3);
            font-weight: 700;
        }

        .nav-links a.active:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(204, 255, 0, 0.4);
        }

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

        .btn-login {
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            box-shadow: 0 4px 16px rgba(0, 240, 255, 0.3);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(204, 255, 0, 0.45);
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(0, 240, 255, 0.3);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Article Hero */
        .article-hero {
            position: relative;
            padding: 64px 0 48px;
            background: 
                radial-gradient(ellipse at 20% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 60%, rgba(204, 255, 0, 0.06) 0%, transparent 50%),
                var(--bg-primary);
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 0, 127, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-hero-inner {
            position: relative;
            z-index: 1;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            transition: all var(--transition-fast);
        }

        .article-category-tag:hover {
            background: rgba(0, 240, 255, 0.18);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.2);
        }

        .article-hero h1 {
            font-size: clamp(1.8rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 24px;
            max-width: 850px;
            background: linear-gradient(135deg, #FFFFFF 30%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-icon {
            color: var(--accent-cyan);
            font-size: 1rem;
        }

        /* Article Content */
        .article-body-section {
            padding: 48px 0 64px;
            background: var(--bg-primary);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }

        .article-main-content {
            max-width: 850px;
            width: 100%;
            margin: 0 auto;
        }

        .article-cover-wrapper {
            margin-bottom: 36px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }

        .article-cover-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16 / 9;
            transition: transform var(--transition-smooth);
        }

        .article-cover-wrapper:hover img {
            transform: scale(1.02);
        }

        .article-cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 24px 20px;
            background: linear-gradient(to top, rgba(15, 12, 32, 0.9) 0%, transparent 100%);
            pointer-events: none;
        }

        .article-pull-quote {
            margin: 32px 0;
            padding: 28px 32px;
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 1.2rem;
            font-weight: 600;
            line-height: 1.6;
            color: var(--text-primary);
            position: relative;
        }

        .article-pull-quote::before {
            content: '"';
            position: absolute;
            top: -10px;
            left: 16px;
            font-size: 4rem;
            color: var(--accent-cyan);
            opacity: 0.3;
            font-family: Georgia, serif;
            line-height: 1;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 36px 0 16px;
            letter-spacing: -0.02em;
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 28px 0 12px;
        }

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

        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px;
            padding-left: 28px;
        }

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

        .article-body ul li::marker {
            color: var(--accent-cyan);
        }

        .article-body ol li::marker {
            color: var(--accent-lime);
            font-weight: 700;
        }

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

        .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

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

        .article-body blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            background: rgba(0, 240, 255, 0.05);
            border-left: 3px solid var(--accent-cyan);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: italic;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-not-found .not-found-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            opacity: 0.7;
        }

        .article-not-found h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 240, 255, 0.4);
        }

        /* CTA Section */
        .cta-section {
            padding: 64px 0;
            background: 
                radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.08) 0%, transparent 70%),
                var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 1px;
            background: linear-gradient(to right, transparent, var(--accent-cyan), transparent);
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(204, 255, 0, 0.05));
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(0, 240, 255, 0.05), transparent, rgba(204, 255, 0, 0.05), transparent);
            animation: rotate 15s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .cta-box > * {
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

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

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--bg-primary);
            font-weight: 800;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(0, 240, 255, 0.35);
            transition: all var(--transition-fast);
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(204, 255, 0, 0.45);
        }

        /* Footer */
        .site-footer {
            background: #0A0816;
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: 56px 0 32px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

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

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .payment-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .payment-badge {
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--text-secondary);
            font-size: 0.78rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .payment-badge:hover {
            background: rgba(0, 240, 255, 0.15);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.7), rgba(15, 12, 32, 0.7)), linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-fast);
            opacity: 0.65;
            animation: fabFloat 3s ease-in-out infinite;
        }

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

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(204, 255, 0, 0.55);
            animation-play-state: paused;
        }

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

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 12px 0;
                min-height: 60px;
                flex-wrap: wrap;
                gap: 12px;
            }

            .brand-main {
                font-size: 0.95rem;
            }

            .brand-sub {
                font-size: 0.65rem;
            }

            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 20px;
                border-radius: 10px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

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

            .nav-links a {
                padding: 14px 18px;
                font-size: 0.95rem;
                border-radius: 12px;
            }

            .auth-buttons {
                gap: 8px;
            }

            .btn-login {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

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

            .mobile-toggle {
                display: flex;
            }

            .article-hero {
                padding: 40px 0 32px;
            }

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

            .article-body-section {
                padding: 32px 0 48px;
            }

            .article-pull-quote {
                padding: 20px 20px 20px 24px;
                font-size: 1rem;
            }

            .cta-section {
                padding: 40px 0;
            }

            .cta-box {
                padding: 32px 20px;
            }

            .cta-box h2 {
                font-size: 1.4rem;
            }

            .btn-cta-primary {
                padding: 14px 28px;
                font-size: 0.95rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .fab {
                left: 16px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --container-pad: 16px;
            }

            .brand-main {
                font-size: 0.85rem;
            }

            .logo-text {
                gap: 1px;
            }

            .article-hero h1 {
                font-size: 1.35rem;
                line-height: 1.3;
            }

            .article-meta {
                font-size: 0.78rem;
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }

            .article-body {
                font-size: 0.98rem;
            }

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

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

            .cta-box h2 {
                font-size: 1.25rem;
            }

            .cta-box p {
                font-size: 0.95rem;
            }

            .btn-cta-primary {
                padding: 12px 22px;
                font-size: 0.88rem;
                width: 100%;
                justify-content: center;
            }

            .auth-buttons .btn-login {
                padding: 6px 10px;
                font-size: 0.7rem;
            }

            .auth-buttons .btn-signup {
                padding: 6px 12px;
                font-size: 0.7rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C9BC;
            --border-gold: rgba(255, 215, 0, 0.45);
            --shadow-gold: rgba(255, 215, 0, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-sm: 10px;
            --spacing-md: 20px;
            --spacing-lg: 40px;
            --spacing-xl: 70px;
            --font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

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

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

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

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

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

        button:focus-visible, a:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(10, 46, 28, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding-top: 14px;
            padding-bottom: 14px;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            color: var(--text-white);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .logo:hover {
            transform: translateY(-1px);
            color: var(--accent-gold);
        }

        .logo-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(145deg, #FFD700, #B8860B);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.4), 0 6px 18px var(--shadow-gold);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-main {
            font-size: 1.15rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
        }

        .brand-sub {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-mint);
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-mint);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .nav-links a.active {
            color: var(--bg-primary);
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            font-weight: 700;
            box-shadow: 0 4px 14px var(--shadow-gold);
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 9px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(145deg, #FFD700, #E6A800);
            color: #0A2E1C;
            border: none;
            padding: 9px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 14px var(--shadow-gold);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 215, 0, 0.35);
            background: #FFE14D;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

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

        /* ===== HERO / PAGE BANNER ===== */
        .page-banner {
            position: relative;
            padding: 70px 0 60px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(10, 46, 28, 0.75) 55%, rgba(10, 46, 28, 0.88) 100%);
            z-index: 1;
        }

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

        .banner-content {
            max-width: 720px;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-white);
            letter-spacing: -0.02em;
        }

        .banner-title .highlight {
            color: var(--accent-gold);
            position: relative;
        }

        .banner-desc {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 24px;
        }

        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-gold {
            background: linear-gradient(145deg, #FFD700, #E6A800);
            color: #0A2E1C;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px var(--shadow-gold);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(255, 215, 0, 0.4);
            color: #0A2E1C;
            background: #FFE14D;
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid var(--text-mint);
            color: var(--text-mint);
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-white);
            color: var(--text-white);
        }

        /* ===== MAIN SECTIONS ===== */
        .section {
            padding: 60px 0;
        }

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

        .section-header {
            margin-bottom: 38px;
        }

        .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: 8px;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 700px;
            margin-top: 10px;
        }

        /* ===== TRUST METRICS ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 10px;
        }

        .metric-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .metric-item:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 24px var(--shadow-gold);
            transform: translateY(-3px);
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== TRUSTED PLATFORM LIST ===== */
        .platform-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 10px;
        }

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

        .platform-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 10px 30px var(--shadow-gold);
            transform: translateY(-4px);
        }

        .platform-card-inner {
            padding: 26px 28px;
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: flex-start;
        }

        .platform-badge {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(145deg, #FFD700, #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.4);
            flex-shrink: 0;
        }

        .platform-info {
            flex: 1;
            min-width: 240px;
        }

        .platform-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }

        .platform-rating {
            color: var(--accent-gold);
            font-size: 0.9rem;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }

        .platform-desc {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 12px;
        }

        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .platform-tag {
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .platform-action {
            padding: 0 28px 26px;
        }

        /* ===== PROCESS STEPS ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 10px;
        }

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

        .step-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 24px var(--shadow-gold);
        }

        .step-number {
            position: absolute;
            top: 20px;
            right: 22px;
            font-size: 2.8rem;
            font-weight: 800;
            color: rgba(255, 215, 0, 0.18);
            line-height: 1;
        }

        .step-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

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

        .step-desc {
            font-size: 0.92rem;
            color: var(--text-mint);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: var(--transition);
            color: var(--accent-gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 22px;
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(145deg, #0A2E1C, #123E25);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 65%);
            z-index: 0;
        }

        .cta-section > * {
            position: relative;
            z-index: 1;
        }

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

        .cta-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 580px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #071F12;
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 24px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .payment-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .payment-badge {
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ===== FAB ===== */
        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A, #0A0A0A);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            animation: fabBreath 3s ease-in-out infinite;
            opacity: 0.7;
        }

        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }

        .fab-float:active {
            transform: scale(0.95);
        }

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: blinkRed 1.5s infinite;
        }

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

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 16px 32px rgba(0,0,0,0.4);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .mobile-toggle {
                display: flex;
            }
            .banner-title {
                font-size: 2rem;
            }
            .page-banner {
                min-height: 320px;
                padding: 50px 0 40px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .platform-card-inner {
                flex-direction: column;
                gap: 16px;
            }
            .cta-section {
                padding: 36px 22px;
            }
            .cta-title {
                font-size: 1.4rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .brand-main {
                font-size: 0.95rem;
            }
            .brand-sub {
                font-size: 0.7rem;
            }
            .logo-icon {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }
            .btn-login, .btn-signup {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .banner-title {
                font-size: 1.6rem;
            }
            .banner-desc {
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .fab-float {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 14px;
                bottom: 80px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242426;
            --gold-main: #C5A059;
            --gold-bright: #FFBF00;
            --gold-muted: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #C9C9CE;
            --text-muted: #8E8E93;
            --border-dark: #2A2A2D;
            --border-gold: rgba(197, 160, 89, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
            --shadow-gold: 0 4px 20px rgba(197,160,89,0.15);
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --font-sans: 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:focus-visible, button:focus-visible {
            outline: 2px solid var(--gold-main);
            outline-offset: 3px;
        }
        .container-custom {
            width: min(1180px, 92%);
            margin: 0 auto;
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(18,18,18,0.95);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-dark);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: linear-gradient(135deg, #C5A059, #8B6F3A);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #121212;
            box-shadow: var(--shadow-gold);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-main {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--gold-main);
            letter-spacing: 0.02em;
            max-width: 260px;
        }
        .brand-sub {
            font-size: 0.72rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: block;
            padding: 10px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--gold-main);
            background: rgba(197,160,89,0.08);
        }
        .nav-links li a.active {
            color: var(--gold-bright);
            background: rgba(197,160,89,0.12);
        }
        .header-auth {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .btn-outline-gold {
            background: transparent;
            border: 1px solid var(--gold-main);
            color: var(--gold-main);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.88rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            background: rgba(197,160,89,0.1);
            color: var(--gold-bright);
        }
        .btn-solid-gold {
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            border: none;
            color: #121212;
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.88rem;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
        }
        .btn-solid-gold:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255,191,0,0.3);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            padding: 8px 12px;
            color: var(--text-primary);
            font-size: 1.2rem;
        }
        /* ========== FAB ========== */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 900;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: rgba(18,18,18,0.85);
            backdrop-filter: blur(10px);
            border: 2px solid var(--gold-main);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-bright);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(197,160,89,0.3);
            opacity: 0.7;
            transition: var(--transition);
            animation: fabFloat 4s ease-in-out infinite;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(255,191,0,0.45);
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        /* ========== HERO ========== */
        .review-hero {
            position: relative;
            background: linear-gradient(160deg, #1C1C1E 0%, #121212 55%, #0D0D0F 100%);
            padding: 72px 0 56px;
            overflow: hidden;
        }
        .review-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197,160,89,0.12), transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,191,0,0.1);
            border: 1px solid var(--border-gold);
            color: var(--gold-bright);
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .hero-badge i {
            font-size: 0.9rem;
        }
        .hero-title {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .hero-title span {
            color: var(--gold-main);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 620px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 24px;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .hero-meta-item i {
            color: var(--gold-main);
            font-size: 1.1rem;
        }
        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-dark {
            background: var(--bg-secondary);
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-lead {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 40px;
            max-width: 640px;
        }
        .section-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
        }
        .section-header-row .section-title {
            margin-bottom: 0;
        }
        .section-header-row .section-lead {
            margin-bottom: 0;
            text-align: right;
            max-width: 400px;
        }
        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin-top: 40px;
        }
        .stat-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: left;
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-2px);
        }
        .stat-value {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--gold-main);
            font-family: var(--font-serif);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.4;
        }
        /* ========== FLOW / STEPS ========== */
        .flow-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .flow-item {
            display: flex;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-dark);
            align-items: flex-start;
        }
        .flow-item:last-child {
            border-bottom: none;
        }
        .flow-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(197,160,89,0.12);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: var(--gold-main);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .flow-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .flow-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin: 0;
            line-height: 1.6;
        }
        /* ========== REVIEW CARDS ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        .review-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .review-rating {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--gold-bright);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .review-rating span {
            color: var(--text-muted);
            font-size: 0.8rem;
            margin-left: 4px;
        }
        .review-card blockquote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 16px;
            flex-grow: 1;
            font-style: italic;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-dark);
            padding-top: 14px;
        }
        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #C5A059, #8B6F3A);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #121212;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .review-author-name {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--text-primary);
        }
        .review-author-date {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        /* ========== TIPS / INSIGHTS ========== */
        .insight-panel {
            background: var(--bg-tertiary);
            border-left: 4px solid var(--gold-main);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 28px 30px;
            margin-top: 40px;
        }
        .insight-panel h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--gold-main);
            margin-bottom: 12px;
        }
        .insight-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .insight-panel ul li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .insight-panel ul li i {
            color: var(--gold-bright);
            margin-top: 3px;
            flex-shrink: 0;
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            color: var(--text-primary);
            font-size: 0.98rem;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--gold-main);
        }
        .faq-question i {
            color: var(--gold-main);
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1C1C1E 0%, #2A2A2D 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: left;
            border: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,191,0,0.08), transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .cta-section p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .btn-lg-gold {
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            border: none;
            color: #121212;
            padding: 14px 32px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-block;
            box-shadow: 0 6px 24px rgba(255,191,0,0.3);
        }
        .btn-lg-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(255,191,0,0.4);
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: #0D0D0F;
            border-top: 1px solid var(--border-dark);
            padding: 48px 0 24px;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-top: 12px;
            line-height: 1.6;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--gold-main);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gold-main);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .payment-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .payment-badge {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-dark);
            padding: 5px 12px;
            border-radius: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-links {
                gap: 4px;
            }
            .nav-links li a {
                padding: 8px 12px;
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-header-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-header-row .section-lead {
                text-align: left;
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                min-height: auto;
                padding: 12px 0;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-secondary);
                border-radius: 12px;
                padding: 12px;
                margin-top: 12px;
                gap: 4px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .header-auth {
                margin-left: auto;
            }
            .header-auth .btn-outline-gold,
            .header-auth .btn-solid-gold {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .brand-main {
                font-size: 0.9rem;
                max-width: 180px;
            }
            .brand-sub {
                font-size: 0.65rem;
            }
            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1.2rem;
            }
            .review-hero {
                padding: 48px 0 40px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.98rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-value {
                font-size: 1.5rem;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 32px 24px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab-support {
                left: 16px;
                bottom: 72px;
                width: 46px;
                height: 46px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .flow-item {
                flex-direction: column;
                gap: 10px;
            }
            .flow-number {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .insight-panel {
                padding: 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
            .header-auth .btn-outline-gold {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .header-auth .btn-solid-gold {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C9BC;
            --border-gold: rgba(255, 215, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Segoe UI', 'Inter', system-ui, -apple-system, 'Roboto', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
            padding: 0 12px;
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 18px;
            flex-wrap: wrap;
        }

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

        .logo-icon {
            width: 46px;
            height: 46px;
            background: radial-gradient(circle at 30% 25%, #FFD700, #B8860B);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.45);
            border: 2px solid #FFF8DC;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-main {
            font-weight: 800;
            font-size: 1.05rem;
            color: #FFD700;
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 260px;
        }

        .brand-sub {
            font-size: 0.72rem;
            color: var(--text-mint);
            font-weight: 500;
            letter-spacing: 0.4px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links a {
            padding: 10px 16px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-mint);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #FFD700;
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active {
            color: #1A1A1A;
            background: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 10px 20px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--text-white);
            background: transparent;
            border: 1.5px solid rgba(255, 215, 0, 0.55);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: #FFD700;
            color: #FFD700;
        }

        .btn-signup {
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.88rem;
            color: #1A1A1A;
            background: linear-gradient(135deg, #FFD700, #FFC107);
            border: none;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.55);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #FFD700;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 6px 10px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            color: #FFF;
        }

        /* ===== HERO FLASH SALE ===== */
        .hero-flash {
            position: relative;
            background: linear-gradient(135deg, #0B3D25 0%, #0A2E1C 55%, #1A1A1A 100%);
            padding: 52px 0 70px;
            overflow: hidden;
        }

        .hero-flash::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            z-index: 0;
        }

        .hero-flash::after {
            content: "";
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.18), transparent 65%);
            z-index: 1;
            pointer-events: none;
        }

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

        .flash-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: linear-gradient(135deg, #D32F2F, #8B0000);
            border: 2px solid #FFD700;
            border-radius: var(--radius-md);
            padding: 16px 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
            box-shadow: 0 10px 32px rgba(211, 47, 47, 0.35);
        }

        .flash-bar-text {
            font-weight: 800;
            font-size: 1.15rem;
            color: #FFF;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .flash-bar-text i {
            color: #FFD700;
            margin-right: 8px;
        }

        .countdown-box {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .countdown-label {
            font-weight: 600;
            font-size: 0.85rem;
            color: #FFD700;
            letter-spacing: 0.5px;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
        }

        .countdown-item {
            background: #1A1A1A;
            border: 1px solid rgba(255, 215, 0, 0.5);
            border-radius: 8px;
            padding: 8px 12px;
            text-align: center;
            min-width: 54px;
        }

        .countdown-number {
            font-weight: 800;
            font-size: 1.4rem;
            color: #FFD700;
            line-height: 1;
            display: block;
        }

        .countdown-unit {
            font-size: 0.65rem;
            color: #D1F2EB;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .flash-product-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 36px;
            align-items: center;
        }

        .flash-product-visual {
            background: linear-gradient(145deg, #1C1C1E, #0D0D0F);
            border: 2px solid rgba(255, 215, 0, 0.35);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .flash-product-visual::before {
            content: "HOT";
            position: absolute;
            top: 16px;
            left: -38px;
            background: #D32F2F;
            color: #FFF;
            font-weight: 800;
            font-size: 0.75rem;
            padding: 6px 44px;
            transform: rotate(-45deg);
            letter-spacing: 1px;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.5);
            z-index: 2;
        }

        .flash-product-visual img {
            width: 100%;
            max-height: 360px;
            object-fit: cover;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .flash-badge-absolute {
            position: absolute;
            bottom: 36px;
            right: 36px;
            background: #FFD700;
            color: #1A1A1A;
            font-weight: 800;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.45);
        }

        .flash-product-info h1 {
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 18px;
            color: #FFF;
            letter-spacing: -0.5px;
        }

        .flash-product-info h1 span {
            color: #FFD700;
        }

        .flash-product-desc {
            font-size: 1.08rem;
            color: var(--text-mint);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .flash-price-row {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .flash-price-old {
            font-size: 1.1rem;
            color: var(--text-muted);
            text-decoration: line-through;
        }

        .flash-price-new {
            font-size: 2rem;
            font-weight: 900;
            color: #FFD700;
        }

        .flash-price-tag {
            background: #D32F2F;
            color: #FFF;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 40px;
            letter-spacing: 0.5px;
        }

        .btn-flash-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, #FFD700, #FF8C00);
            color: #1A1A1A;
            font-weight: 800;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 10px 32px rgba(255, 215, 0, 0.45);
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-flash-cta:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 44px rgba(255, 215, 0, 0.6);
        }

        .flash-trust-row {
            display: flex;
            gap: 18px;
            margin-top: 22px;
            flex-wrap: wrap;
        }

        .flash-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-mint);
        }

        .flash-trust-item i {
            color: #32CD32;
            font-size: 1rem;
        }

        /* ===== SECTION GENERAL ===== */
        .section {
            padding: 64px 0;
        }

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

        .section-header {
            margin-bottom: 36px;
            max-width: 720px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            color: #FFD700;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 16px;
            border-radius: 40px;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 14px;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 1.02rem;
            color: var(--text-mint);
            line-height: 1.7;
        }

        /* ===== STEPS FLOW ===== */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .step-item {
            background: #1C1C1E;
            border: 1px solid rgba(255, 215, 0, 0.22);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            position: relative;
            transition: var(--transition);
            text-align: left;
        }

        .step-item:hover {
            border-color: #FFD700;
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #1A1A1A;
            font-weight: 900;
            font-size: 1.2rem;
            border-radius: 50%;
            margin-bottom: 16px;
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.35);
        }

        .step-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #FFF;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.65;
        }

        /* ===== TIPS GRID ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            margin-top: 20px;
        }

        .tip-card {
            background: #1C1C1E;
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .tip-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, #FFD700, #FF8C00);
        }

        .tip-card:hover {
            border-color: #FFD700;
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .tip-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 215, 0, 0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
            color: #FFD700;
        }

        .tip-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .tip-card p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.65;
        }

        /* ===== FEATURE SPLIT ===== */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .feature-split-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid rgba(255, 215, 0, 0.3);
            box-shadow: var(--shadow-card);
        }

        .feature-split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .feature-split-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: #FFD700;
        }

        .feature-split-content p {
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .feature-list li i {
            color: #32CD32;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 820px;
        }

        .faq-item {
            background: #1C1C1E;
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.45);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            color: #FFF;
            font-weight: 700;
            font-size: 1rem;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question i {
            color: #FFD700;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* ===== CTA BANNER ===== */
        .cta-banner {
            background: linear-gradient(135deg, #D32F2F, #8B0000);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            box-shadow: 0 16px 48px rgba(211, 47, 47, 0.35);
            border: 2px solid #FFD700;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.25), transparent 65%);
        }

        .cta-banner-content {
            position: relative;
            z-index: 2;
            max-width: 560px;
        }

        .cta-banner-content h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 10px;
            color: #FFF;
        }

        .cta-banner-content p {
            color: #FFE4E1;
            font-size: 1rem;
            line-height: 1.7;
        }

        .btn-cta-large {
            padding: 16px 34px;
            border-radius: 50px;
            background: #FFD700;
            color: #1A1A1A;
            font-weight: 800;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 10px 28px rgba(255, 215, 0, 0.45);
            transition: var(--transition);
            position: relative;
            z-index: 2;
            white-space: nowrap;
        }

        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(255, 215, 0, 0.6);
        }

        /* ===== FAB ===== */
        .fab-left {
            position: fixed;
            left: 18px;
            bottom: 88px;
            z-index: 500;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #1A1A1A, #0D0D0F);
            border: 2px solid #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #FFD700;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }

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

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

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #1A1A1A;
            animation: blink 1.6s ease-in-out infinite;
        }

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

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: #081A12;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

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

        .footer-brand p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFD700;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: var(--text-mint);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: #FFD700;
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            flex-wrap: wrap;
        }

        .footer-bottom span {
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        .payment-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .payment-badge {
            background: #1C1C1E;
            border: 1px solid rgba(255, 215, 0, 0.35);
            color: #FFD700;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 6px 14px;
            border-radius: 40px;
            letter-spacing: 0.5px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .flash-product-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .flash-product-info h1 {
                font-size: 2rem;
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-split {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0;
                gap: 4px;
            }

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

            .nav-links a {
                padding: 12px 16px;
                text-align: left;
                width: 100%;
            }

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

            .mobile-toggle {
                display: block;
            }

            .flash-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }

            .flash-product-info h1 {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

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

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

            .cta-banner {
                flex-direction: column;
                text-align: left;
                padding: 32px 24px;
            }

            .fab-left {
                left: 12px;
                bottom: 76px;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                width: 95%;
                padding: 0 8px;
            }

            .brand-main {
                font-size: 0.85rem;
                max-width: 180px;
            }

            .brand-sub {
                font-size: 0.65rem;
            }

            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 20px;
            }

            .nav-cta .btn-login {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

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

            .flash-bar {
                padding: 12px 16px;
            }

            .flash-bar-text {
                font-size: 0.9rem;
            }

            .countdown-item {
                min-width: 44px;
                padding: 6px 8px;
            }

            .countdown-number {
                font-size: 1.1rem;
            }

            .flash-product-info h1 {
                font-size: 1.4rem;
            }

            .flash-price-new {
                font-size: 1.5rem;
            }

            .btn-flash-cta {
                padding: 13px 24px;
                font-size: 0.9rem;
            }

            .section {
                padding: 42px 0;
            }

            .section-title {
                font-size: 1.35rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 14px;
            }

            .payment-badges {
                justify-content: center;
            }
        }