/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C5B8;
            --border-gold: rgba(255, 215, 0, 0.3);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

        a:hover, a:focus {
            color: #FFE566;
            text-decoration: none;
        }

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

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

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

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .logo-brand {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.2;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 280px;
        }

        .logo-brand a {
            color: var(--accent-gold);
        }

        .logo-brand a:hover {
            color: #FFE566;
        }

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

        .nav-primary li a {
            display: block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-mint);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-primary li a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .nav-primary li a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            border: none;
            color: var(--primary-bg);
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }

        .btn-signup:hover {
            background: #FFE566;
            transform: translateY(-1px);
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 4px;
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(18, 62, 37, 0.78) 50%, rgba(10, 46, 28, 0.95) 100%);
            z-index: 1;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            max-width: 640px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

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

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 32px;
            max-width: 560px;
        }

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

        .btn-primary {
            background: var(--accent-gold);
            border: none;
            color: var(--primary-bg);
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: #FFE566;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-gold);
            color: var(--text-white);
            padding: 14px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }

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

        .hero-stat-number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Section Common */
        .section {
            padding: 64px 0;
        }

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

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-mint);
            line-height: 1.6;
            max-width: 700px;
            margin-bottom: 36px;
        }

        /* Selling Points - 3 columns */
        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .selling-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .selling-card:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.04);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .selling-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--accent-gold);
            font-size: 1.4rem;
        }

        .selling-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }

        .selling-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Scenario Demo */
        .scenario-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scenario-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--border-gold);
        }

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

        .scenario-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-white);
        }

        .scenario-content p {
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }

        .scenario-list {
            list-style: none;
            margin-top: 12px;
        }

        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            color: var(--text-mint);
            font-size: 0.92rem;
        }

        .scenario-list li i {
            color: var(--accent-gold);
            margin-top: 3px;
        }

        /* Social Proof */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .proof-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.02);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
        }

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

        .proof-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* Limited Time Entry */
        .countdown-banner {
            background: linear-gradient(135deg, #1A3D2A 0%, #0F2E1C 100%);
            border: 2px solid var(--accent-red);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            position: relative;
            overflow: hidden;
        }

        .countdown-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.3), transparent);
            border-radius: 50%;
        }

        .countdown-info h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .countdown-info p {
            color: var(--text-mint);
            font-size: 0.95rem;
            max-width: 480px;
        }

        .countdown-timer {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .countdown-block {
            background: rgba(0, 0, 0, 0.5);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            text-align: center;
            min-width: 64px;
        }

        .countdown-block span {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            display: block;
            line-height: 1.2;
        }

        .countdown-block small {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Hot Topics */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .topic-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-base);
        }

        .topic-card:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.05);
            transform: translateY(-2px);
        }

        .topic-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .topic-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .topic-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* CMS News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
        }

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

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

        .news-item:hover {
            background: rgba(255, 215, 0, 0.03);
            padding-left: 8px;
            border-radius: var(--radius-sm);
        }

        .news-item-date {
            flex-shrink: 0;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-gold);
            min-width: 52px;
            text-align: center;
        }

        .news-item-content h4 {
            font-size: 0.98rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-white);
        }

        .news-item-content h4 a {
            color: var(--text-white);
        }

        .news-item-content h4 a:hover {
            color: var(--accent-gold);
        }

        .news-item-content p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .news-sidebar {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: fit-content;
        }

        .news-sidebar h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-tag {
            display: inline-block;
            padding: 6px 12px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            color: var(--text-mint);
            font-size: 0.78rem;
            margin: 0 6px 8px 0;
            transition: all var(--transition-fast);
        }

        .sidebar-tag:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

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

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
        }

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

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

        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-base);
            color: var(--text-mint);
            font-size: 0.88rem;
            line-height: 1.65;
        }

        .faq-item.active .faq-answer {
            padding: 0 22px 18px;
            max-height: 300px;
        }

        /* Conversion Form */
        .form-section {
            background: linear-gradient(135deg, #123E25 0%, #0A2E1C 100%);
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .form-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.15), transparent);
            border-radius: 50%;
        }

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

        .form-info h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .form-info p {
            color: var(--text-mint);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .form-benefits {
            list-style: none;
            margin-top: 20px;
        }

        .form-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        .form-benefits li i {
            color: var(--accent-gold);
        }

        .form-card {
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px;
        }

        .form-card label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-mint);
            margin-bottom: 6px;
        }

        .form-card input {
            width: 100%;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: var(--text-white);
            font-size: 0.95rem;
            margin-bottom: 16px;
            transition: all var(--transition-fast);
        }

        .form-card input:focus {
            border-color: var(--accent-gold);
            outline: none;
            background: rgba(255, 255, 255, 0.08);
        }

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

        .btn-submit {
            width: 100%;
            background: var(--accent-gold);
            border: none;
            color: var(--primary-bg);
            padding: 14px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .btn-submit:hover {
            background: #FFE566;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.4);
        }

        /* Footer */
        .site-footer {
            background: #071D12;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 32px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.65;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-license {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-license i {
            color: var(--accent-gold);
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 2px solid var(--accent-red);
            border-radius: 50%;
            color: var(--accent-red);
            font-weight: 800;
            font-size: 0.7rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #3A5A40, #0A2E1C);
            border: 2px solid var(--ac-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
            transition: all var(--transition-base);
            animation: fabBreathe 3s ease-in-out infinite;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

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

        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF1744;
            border: 2px solid var(--primary-bg);
            border-radius: 50%;
            animation: dotBlink 1.5s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Bottom Fixed CTA */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(10, 46, 28, 0.97);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-gold);
            z-index: 95;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .bottom-cta-bar.visible {
            transform: translateY(0);
        }

        .bottom-cta-text {
            color: var(--text-mint);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .bottom-cta-text strong {
            color: var(--accent-gold);
        }

        .bottom-cta-btn {
            background: var(--accent-gold);
            border: none;
            color: var(--primary-bg);
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.35);
        }

        .bottom-cta-btn:hover {
            background: #FFE566;
            transform: translateY(-1px);
        }

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

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

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

            .scenario-wrap {
                gap: 24px;
            }

            .hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 58px;
                gap: 8px;
            }

            .logo-brand {
                font-size: 0.9rem;
                max-width: 180px;
            }

            .nav-primary {
                display: none;
                position: absolute;
                top: 58px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 12px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border-subtle);
            }

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

            .nav-primary li a {
                padding: 10px 14px;
                font-size: 0.9rem;
                width: 100%;
            }

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

            .btn-login {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

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

            .hero {
                min-height: 480px;
                padding: 50px 0 40px;
            }

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

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

            .hero-stats {
                gap: 16px;
                flex-wrap: wrap;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

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

            .scenario-wrap {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .scenario-image img {
                height: 240px;
            }

            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .proof-number {
                font-size: 1.5rem;
            }

            .topics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .countdown-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }

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

            .countdown-block {
                padding: 8px 12px;
                min-width: 52px;
            }

            .countdown-block span {
                font-size: 1.2rem;
            }

            .form-section {
                padding: 28px 20px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 80px;
            }

            .bottom-cta-bar {
                padding: 8px 14px;
                gap: 10px;
            }

            .bottom-cta-text {
                font-size: 0.75rem;
            }

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

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.4rem;
            }

            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }

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

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

            .section-title {
                font-size: 1.2rem;
            }

            .proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .proof-item {
                padding: 16px 10px;
            }

            .countdown-block {
                padding: 6px 10px;
                min-width: 44px;
            }

            .countdown-block span {
                font-size: 1rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }

            .faq-answer {
                font-size: 0.82rem;
            }

            .form-card {
                padding: 20px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-gold-soft: #F0E68C;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-light: #C5E2D2;
            --border-gold: rgba(255, 215, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover,
        a:focus {
            color: var(--accent-gold-soft);
            text-decoration: none;
        }

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

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-reading {
            max-width: 720px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER ===== */
        .site-header {
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

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

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

        .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-soft));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-size: 20px;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.2;
            letter-spacing: 0.02em;
            max-width: 300px;
        }

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

        .nav-primary li a {
            display: inline-block;
            padding: 10px 18px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-mint);
            border-radius: 50px;
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        .nav-primary li a.active {
            color: var(--bg-primary);
            background: var(--accent-gold);
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }

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

        .btn-login {
            padding: 10px 20px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-mint);
            background: transparent;
            border: none;
            cursor: pointer;
            border-radius: 50px;
            transition: all var(--transition);
        }

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

        .btn-signup {
            padding: 10px 24px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            border: none;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-gold);
            border-radius: 8px;
            padding: 10px 12px;
            cursor: pointer;
            color: var(--accent-gold);
            font-size: 1.2rem;
        }

        /* ===== ARTICLE BANNER ===== */
        .article-banner {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-dark) 100%);
            padding: 64px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .article-banner .container-narrow {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

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

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

        .article-category-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }

        .article-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            color: var(--text-mint);
            font-size: 0.9rem;
        }

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

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

        /* ===== ARTICLE CONTENT ===== */
        .article-content-section {
            padding: 56px 0 72px;
            background: var(--bg-primary);
        }

        .article-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-gold);
        }

        .article-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

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

        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 40px 0 16px;
            line-height: 1.35;
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 32px 0 12px;
            line-height: 1.4;
        }

        .article-body p {
            margin-bottom: 20px;
        }

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

        .article-body li {
            margin-bottom: 10px;
            padding-left: 6px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            padding: 16px 24px;
            margin: 28px 0;
            background: rgba(255, 215, 0, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-white);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }

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

        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
        }

        .article-not-found i {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: 24px;
        }

        .article-not-found h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .article-not-found p {
            color: var(--text-mint);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, #0A2E1C 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container-narrow {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            display: inline-block;
            padding: 16px 40px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            border-radius: 50px;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            text-align: center;
        }

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

        .btn-cta-secondary {
            display: inline-block;
            padding: 14px 32px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: transparent;
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
        }

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

        /* ===== RELATED SECTION ===== */
        .related-section {
            padding: 72px 0;
            background: var(--bg-primary);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
        }

        .related-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 32px;
            text-align: left;
        }

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

        .related-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: all var(--transition);
            display: block;
        }

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

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 20px;
        }

        .related-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-bottom: 0;
        }

        /* ===== FAB ===== */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #1A1A1A, #0B0B0B);
            border: 3px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
        }

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

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

        .fab-left i {
            color: var(--accent-gold);
            font-size: 1.6rem;
        }

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

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

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 64px 0 32px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 420px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

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

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

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

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

        .footer-license {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .article-banner h1 {
                font-size: 2.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                min-height: 64px;
                flex-wrap: wrap;
                padding: 12px 0;
            }

            .brand-text {
                font-size: 0.95rem;
                max-width: 220px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-primary {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: var(--shadow-md);
                gap: 4px;
            }

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

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

            .nav-primary li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                text-align: left;
            }

            .header-actions {
                margin-left: auto;
            }

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

            .article-banner {
                padding: 48px 0 36px;
            }

            .article-banner h1 {
                font-size: 1.8rem;
            }

            .article-content-section {
                padding: 36px 0 56px;
            }

            .article-body {
                font-size: 1rem;
                line-height: 1.7;
            }

            .article-body h2 {
                font-size: 1.5rem;
                margin: 32px 0 12px;
            }

            .article-body h3 {
                font-size: 1.25rem;
                margin: 24px 0 10px;
            }

            .cta-section {
                padding: 56px 0;
            }

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

            .related-section {
                padding: 56px 0;
            }

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

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

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

            .fab-left {
                width: 50px;
                height: 50px;
                bottom: 80px;
                left: 12px;
            }

            .fab-left i {
                font-size: 1.4rem;
            }
        }

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

            .brand-text {
                font-size: 0.82rem;
                max-width: 180px;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .btn-login {
                padding: 8px 12px;
                font-size: 0.75rem;
            }

            .btn-signup {
                padding: 8px 14px;
                font-size: 0.75rem;
            }

            .article-banner h1 {
                font-size: 1.5rem;
                line-height: 1.35;
            }

            .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }

            .article-body {
                font-size: 0.95rem;
            }

            .article-body blockquote {
                padding: 12px 16px;
                margin: 20px 0;
            }

            .btn-cta-primary {
                padding: 14px 28px;
                font-size: 0.95rem;
                width: 100%;
            }

            .btn-cta-secondary {
                padding: 12px 24px;
                font-size: 0.85rem;
                width: 100%;
            }

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

            .related-section h2 {
                font-size: 1.4rem;
            }

            .footer-brand {
                font-size: 0.9rem;
            }

            .footer-license {
                font-size: 0.75rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --bg-elevated: #1C1C1E;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-gradient: linear-gradient(135deg, #FF4500 0%, #FF0000 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #999999;
            --border-color: #2A2A2A;
            --border-accent: #FF4500;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-accent: 0 8px 32px rgba(255, 69, 0, 0.3);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-medium: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

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

        body {
            font-family: var(--font-primary);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        a:hover,
        a:focus {
            color: #FF6B3D;
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-medium);
        }

        .site-header.scrolled {
            background: rgba(11, 11, 11, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: nowrap;
            gap: var(--spacing-sm);
        }

        .brand {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-primary);
            line-height: 1.3;
            flex-shrink: 1;
            min-width: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
        }

        .brand:hover,
        .brand:focus {
            color: var(--text-primary);
        }

        .brand-highlight {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-primary {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-primary::-webkit-scrollbar {
            display: none;
        }

        .nav-primary a {
            display: inline-block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .nav-primary a:hover {
            color: var(--text-primary);
            background: rgba(255, 69, 0, 0.1);
        }

        .nav-primary a.active {
            background: var(--accent-gradient);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(255, 69, 0, 0.4);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .btn-signup {
            background: var(--accent-gradient);
            border: none;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255, 69, 0, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(255, 69, 0, 0.6);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 69, 0, 0.4);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Hero Section */
        .hero-section {
            padding-top: 120px;
            padding-bottom: var(--spacing-xl);
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(255, 69, 0, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .hero-left {
            flex: 1 1 55%;
            min-width: 280px;
        }

        .hero-right {
            flex: 1 1 40%;
            min-width: 280px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
            background: rgba(255, 69, 0, 0.15);
            border: 1px solid rgba(255, 69, 0, 0.4);
            color: #FF6B3D;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }

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

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent-gradient);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 50px;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(255, 69, 0, 0.5);
            text-decoration: none;
        }

        .btn-primary:hover {
            box-shadow: 0 8px 32px rgba(255, 69, 0, 0.7);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(255, 69, 0, 0.4);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            text-decoration: none;
            backdrop-filter: blur(8px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

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

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

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

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

        /* Hero Right - Tournament Leaderboard */
        .tournament-panel {
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .tournament-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent-gradient);
        }

        .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid var(--border-color);
        }

        .panel-title {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .panel-title i {
            color: var(--accent-primary);
        }

        .live-indicator {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            color: #FF3B30;
            letter-spacing: 0.5px;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            background: #FF3B30;
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.3); }
        }

        .leaderboard-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .leaderboard-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: 10px 12px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .leaderboard-item:hover {
            background: rgba(255, 69, 0, 0.08);
            border-color: rgba(255, 69, 0, 0.3);
        }

        .rank-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .rank-1 { background: var(--accent-gradient); color: #FFF; }
        .rank-2 { background: linear-gradient(135deg, #C0C0C0, #A0A0A0); color: #000; }
        .rank-3 { background: linear-gradient(135deg, #CD7F32, #B86B28); color: #FFF; }
        .rank-other { background: rgba(255, 255, 255, 0.1); color: var(--text-secondary); }

        .player-info {
            flex: 1;
            min-width: 0;
        }

        .player-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .player-tournaments {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .player-prize {
            font-weight: 800;
            font-size: 0.9rem;
            color: var(--accent-primary);
            white-space: nowrap;
        }

        .panel-footer {
            margin-top: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-color);
            text-align: center;
        }

        .panel-footer-link {
            color: var(--accent-primary);
            font-weight: 700;
            font-size: 0.9rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .panel-footer-link:hover {
            color: #FF6B3D;
        }

        /* Sections */
        .section {
            padding: var(--spacing-2xl) 0;
            position: relative;
        }

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

        .section-header {
            margin-bottom: var(--spacing-xl);
            max-width: 700px;
        }

        .section-header.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: var(--spacing-xs);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        .feature-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            transition: all var(--transition-medium);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-gradient);
            opacity: 0;
            transition: opacity var(--transition-medium);
        }

        .feature-card:hover {
            border-color: rgba(255, 69, 0, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-accent);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(255, 69, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-primary);
            margin-bottom: var(--spacing-md);
        }

        .feature-title {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .feature-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Tournament Schedule */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            list-style: none;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
        }

        .schedule-item:hover {
            border-color: rgba(255, 69, 0, 0.5);
            box-shadow: var(--shadow-sm);
        }

        .schedule-time {
            flex-shrink: 0;
            text-align: center;
            min-width: 70px;
        }

        .schedule-hour {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--accent-primary);
            line-height: 1.2;
        }

        .schedule-date {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .schedule-info {
            flex: 1;
            min-width: 0;
        }

        .schedule-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .schedule-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .schedule-prize {
            font-weight: 800;
            font-size: 1rem;
            color: var(--accent-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .schedule-btn {
            flex-shrink: 0;
        }

        /* Prize Pool Highlight */
        .prize-pool-section {
            background: var(--bg-secondary);
            padding: var(--spacing-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .prize-pool-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            pointer-events: none;
        }

        .prize-pool-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .prize-pool-image {
            flex: 1 1 45%;
            min-width: 280px;
        }

        .prize-pool-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 2px solid rgba(255, 69, 0, 0.3);
            width: 100%;
        }

        .prize-pool-text {
            flex: 1 1 50%;
            min-width: 280px;
        }

        .prize-amount {
            font-size: 3rem;
            font-weight: 900;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
            margin-bottom: var(--spacing-sm);
        }

        .prize-detail-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }

        .prize-detail-list li {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        .prize-detail-list i {
            color: var(--accent-primary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-md);
        }

        .step-card {
            text-align: left;
            padding: var(--spacing-lg);
            background: var(--bg-elevated);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            position: relative;
            transition: all var(--transition-fast);
        }

        .step-card:hover {
            border-color: rgba(255, 69, 0, 0.5);
            box-shadow: var(--shadow-sm);
        }

        .step-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: var(--spacing-sm);
            display: block;
        }

        .step-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .step-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .faq-item:hover {
            border-color: rgba(255, 69, 0, 0.4);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1rem;
            padding: var(--spacing-md);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-fast);
            font-size: 0.9rem;
            color: var(--accent-primary);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-medium) ease-in-out;
            padding: 0 var(--spacing-md);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-bottom: var(--spacing-md);
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-secondary);
            padding: var(--spacing-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(255, 69, 0, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
        }

        .cta-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
        }

        .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Countdown */
        .countdown-container {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            margin: var(--spacing-lg) 0;
            flex-wrap: wrap;
        }

        .countdown-box {
            background: var(--bg-elevated);
            border: 1px solid rgba(255, 69, 0, 0.4);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            min-width: 80px;
            text-align: center;
        }

        .countdown-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-primary);
            line-height: 1;
        }

        .countdown-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-top: 4px;
        }

        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 2px solid var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 69, 0, 0.4);
            transition: all var(--transition-fast);
            animation: fab-breathe 2s ease-in-out infinite;
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(255, 69, 0, 0.7);
            animation: none;
        }

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

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #FF3B30;
            border-radius: 50%;
            border: 2px solid var(--bg-elevated);
            animation: notification-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.7; transform: translateY(0); }
            50% { opacity: 1; transform: translateY(-4px); }
        }

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

        /* Footer */
        .site-footer {
            background: #050505;
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

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

        .footer-brand {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

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

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

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

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-gradient);
            color: #FFFFFF;
            font-weight: 900;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .footer-copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .cta-title {
                font-size: 2rem;
            }

            .prize-amount {
                font-size: 2.4rem;
            }

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

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

            .menu-toggle {
                display: block;
            }

            .nav-primary {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-sm) var(--spacing-md);
                border-bottom: 1px solid var(--border-color);
                gap: 4px;
            }

            .nav-primary.mobile-open {
                display: flex;
            }

            .nav-primary a {
                padding: 12px 16px;
                text-align: left;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }

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

            .btn-login {
                padding: 8px 12px;
                font-size: 0.85rem;
            }

            .btn-signup {
                padding: 8px 14px;
                font-size: 0.85rem;
            }

            .hero-section {
                padding-top: 100px;
                min-height: auto;
                padding-bottom: var(--spacing-lg);
            }

            .hero-content {
                gap: var(--spacing-lg);
            }

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

            .hero-subtitle {
                font-size: 1rem;
            }

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

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

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

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

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

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

            .schedule-item {
                flex-wrap: wrap;
                gap: var(--spacing-xs);
            }

            .schedule-btn {
                width: 100%;
            }

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

            .prize-pool-content {
                gap: var(--spacing-lg);
            }

            .prize-amount {
                font-size: 2rem;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }

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

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

            .brand {
                font-size: 0.95rem;
            }

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

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

            .hero-stat-label {
                font-size: 0.75rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .countdown-box {
                min-width: 60px;
                padding: var(--spacing-xs);
            }

            .countdown-value {
                font-size: 1.4rem;
            }

            .countdown-label {
                font-size: 0.65rem;
            }

            .schedule-prize {
                font-size: 0.9rem;
            }

            .prize-amount {
                font-size: 1.6rem;
            }

            .cta-title {
                font-size: 1.4rem;
            }

            .btn-primary,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --bg-card: #1E1E1E;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #999999;
            --border-color: #2A2A2A;
            --border-accent: #FF4500;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-accent: 0 4px 20px rgba(255,69,0,0.35);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-primary: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }

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

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

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

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

        a:hover, a:focus {
            color: #FF6B2B;
            outline: none;
        }

        button, .button {
            cursor: pointer;
            font-family: var(--font-primary);
            border: none;
            transition: var(--transition);
        }

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

        /* Header & Navigation */
        .site-header {
            background: rgba(11,11,11,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.6);
            border-bottom-color: rgba(255,69,0,0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
            flex-wrap: wrap;
            padding: 10px 0;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
            max-width: 320px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(255,69,0,0.4);
        }

        .logo-text {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

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

        .nav-primary li a {
            display: inline-block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            border-radius: 6px;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-primary li a:hover,
        .nav-primary li a:focus {
            color: var(--text-primary);
            background: rgba(255,69,0,0.1);
        }

        .nav-primary li a.active {
            color: var(--accent-primary);
            background: rgba(255,69,0,0.12);
        }

        .nav-primary li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-primary);
            border-radius: 2px;
        }

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            transition: var(--transition);
        }

        .btn-login:hover, .btn-login:focus {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(255,69,0,0.05);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            padding: 10px 20px;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: 6px;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
        }

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

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

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }

        /* Hero Section */
        .hero-banner {
            background: linear-gradient(135deg, #0B0B0B 0%, #1A0A00 50%, #0B0B0B 100%);
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255,69,0,0.2);
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255,69,0,0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,0,0,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--accent-primary);
            position: relative;
        }

        .hero-content h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), transparent);
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 8px;
            box-shadow: var(--shadow-accent);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .btn-primary:hover, .btn-primary:focus {
            transform: translateY(-2px);
            box-shadow: 0 10px 35px rgba(255,69,0,0.55);
            color: #fff;
        }

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

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            padding: 14px 28px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .btn-secondary:hover, .btn-secondary:focus {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(255,69,0,0.05);
        }

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

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

        .hero-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-primary);
            display: block;
            line-height: 1.2;
        }

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

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

        .hero-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            max-height: 420px;
            width: 100%;
            object-fit: cover;
        }

        .hero-badge {
            position: absolute;
            top: -15px;
            right: -10px;
            background: linear-gradient(135deg, #FF4500, #FF0000);
            color: #fff;
            padding: 10px 18px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: 0 4px 20px rgba(255,69,0,0.6);
            animation: pulse-badge 2s ease-in-out infinite;
        }

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

        /* Section Common */
        .section {
            padding: 60px 0;
            position: relative;
        }

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

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        .section-tag {
            display: inline-block;
            background: rgba(255,69,0,0.12);
            color: var(--accent-primary);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
            border: 1px solid rgba(255,69,0,0.25);
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

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

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

        .feature-card:hover {
            border-color: rgba(255,69,0,0.4);
            box-shadow: 0 8px 30px rgba(255,69,0,0.2);
            transform: translateY(-4px);
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(255,69,0,0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.5rem;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* Payment Methods */
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

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

        .payment-card:hover {
            border-color: var(--accent-primary);
            box-shadow: 0 6px 24px rgba(255,69,0,0.2);
            transform: translateY(-3px);
        }

        .payment-card .payment-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, rgba(255,69,0,0.15), rgba(255,0,0,0.1));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-primary);
        }

        .payment-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .payment-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Process Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            position: relative;
        }

        .step-item {
            position: relative;
            padding: 0 10px;
        }

        .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 16px;
            box-shadow: 0 4px 16px rgba(255,69,0,0.4);
        }

        .step-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Info Split Section */
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .split-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .split-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .split-content ul {
            list-style: none;
            margin-bottom: 20px;
        }

        .split-content ul li {
            padding: 10px 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            border-bottom: 1px solid var(--border-color);
        }

        .split-content ul li i {
            color: var(--accent-primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .split-image img {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            width: 100%;
            object-fit: cover;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: rgba(255,69,0,0.3);
        }

        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A0A00 0%, #0B0B0B 50%, #1A0000 100%);
            border-top: 1px solid rgba(255,69,0,0.3);
            border-bottom: 1px solid rgba(255,69,0,0.3);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(255,69,0,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 380px;
        }

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

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

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-license {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: #D32F2F;
            color: #fff;
            font-weight: 800;
            font-size: 0.8rem;
            border-radius: 50%;
            border: 2px solid #FFD700;
            flex-shrink: 0;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(11,11,11,0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 2px solid var(--accent-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.4rem;
            box-shadow: 0 0 20px rgba(255,69,0,0.4);
            cursor: pointer;
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
            transition: var(--transition);
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(255,69,0,0.7);
            color: #FF6B2B;
            border-color: #FF6B2B;
        }

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

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid #0B0B0B;
            animation: blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.9; }
        }

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

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

            .hero-content h1 {
                font-size: 2.2rem;
            }

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

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

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

            .logo-text {
                font-size: 0.85rem;
                max-width: 200px;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-primary {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                border-bottom: 1px solid var(--border-color);
                padding: 12px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                box-shadow: 0 8px 20px rgba(0,0,0,0.5);
            }

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

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

            .nav-primary li a {
                display: block;
                width: 100%;
                padding: 10px 12px;
            }

            .nav-actions {
                gap: 6px;
            }

            .btn-login, .btn-signup {
                padding: 7px 12px;
                font-size: 0.8rem;
            }

            .hero-banner {
                padding: 50px 0 40px;
            }

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

            .hero-stats {
                gap: 18px;
            }

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

            .section {
                padding: 45px 0;
            }

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

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

            .payment-grid {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            }

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

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

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

            .cta-content h2 {
                font-size: 1.7rem;
            }

            .hero-badge {
                top: -10px;
                right: 0;
                font-size: 0.75rem;
                padding: 8px 14px;
            }

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

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

            .header-inner {
                gap: 8px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .logo-text {
                font-size: 0.75rem;
                max-width: 140px;
            }

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

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

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

            .btn-primary, .btn-secondary {
                padding: 12px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

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

            .section-header h2 {
                font-size: 1.4rem;
            }

            .feature-card {
                padding: 20px;
            }

            .payment-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .payment-card {
                padding: 16px;
            }

            .payment-card .payment-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }