/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A5D6C7;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.6);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            --gradient-dark: linear-gradient(180deg, #0A2E1C 0%, #071F12 100%);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }

        h1 { font-size: 2.5rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.25rem; }

        p {
            margin-bottom: 1rem;
            color: var(--text-mint);
            line-height: 1.65;
        }

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: #FFE55C;
            text-decoration: underline;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, .button {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .logo:hover {
            color: #FFE55C;
            text-decoration: none;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
        }

        .nav-menu a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
            transition: var(--transition);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent-gold);
            text-decoration: none;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            background: transparent;
            color: var(--text-mint);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1.25rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-signup {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.5rem 1.5rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            color: #0A2E1C;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            border: none;
            padding: 0.5rem;
        }

        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.85) 0%, rgba(7, 31, 18, 0.95) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(211, 47, 47, 0.9);
            color: #FFFFFF;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.05em;
            margin-bottom: 1.25rem;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.8; }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 1.25rem;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.6);
            line-height: 1.2;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-mint);
            margin-bottom: 2rem;
            line-height: 1.7;
            max-width: 650px;
        }

        .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.85rem 2rem;
            font-weight: 800;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.5);
            letter-spacing: -0.01em;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.7);
            color: #0A2E1C;
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 0.85rem 2rem;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-sm);
        }

        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            color: #FFE55C;
        }

        .hero-coupon-wall {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .coupon-card {
            background: rgba(18, 62, 37, 0.8);
            border: 2px dashed var(--accent-gold);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(10px);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .coupon-card.featured {
            border: 3px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            transform: scale(1.05);
            box-shadow: var(--shadow-gold);
        }

        .coupon-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .coupon-card.featured:hover {
            transform: scale(1.07) translateY(-4px);
        }

        .coupon-value {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }

        .coupon-desc {
            color: var(--text-mint);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .coupon-code {
            background: var(--bg-secondary);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            display: inline-block;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.05em;
        }

        .coupon-badge {
            position: absolute;
            top: 10px;
            right: -30px;
            background: var(--accent-red);
            color: #FFF;
            padding: 0.15rem 2rem;
            transform: rotate(45deg);
            font-size: 0.7rem;
            font-weight: 800;
        }

        /* Section Layout */
        .section-padding {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 3rem;
        }

        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.08em;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        .section-desc {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.6;
        }

        .text-gold {
            color: var(--accent-gold);
        }

        /* Channel Selling Points */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .channel-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition);
        }

        .channel-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .channel-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1.25rem;
            display: inline-block;
        }

        .channel-card h3 {
            font-size: 1.35rem;
            margin-bottom: 0.75rem;
        }

        .channel-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Success Stats Bar */
        .stats-bar {
            background: var(--bg-secondary);
            border-top: 2px solid var(--accent-gold);
            border-bottom: 2px solid var(--accent-gold);
            padding: 3rem 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.75rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 0.35rem;
        }

        .stat-item .stat-label {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
        }

        /* Lead Form */
        .lead-form-section {
            background: rgba(18, 62, 37, 0.4);
            border-radius: var(--radius-lg);
            padding: 3rem;
            margin: 0 auto;
        }

        .lead-form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .lead-form-image img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }

        .lead-form-group {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .form-input {
            width: 100%;
            padding: 0.85rem 1.25rem;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-white);
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        /* News / Info Section */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2.5rem;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .news-item {
            background: var(--card-bg);
            border: 1px solid transparent;
            border-radius: var(--radius-sm);
            padding: 1.25rem 1.5rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .news-item:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .news-item .news-bullet {
            width: 8px;
            height: 8px;
            background: var(--accent-gold);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .news-item a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 1rem;
            flex: 1;
        }

        .news-item a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }

        .news-item .news-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .news-sidebar {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .news-sidebar h4 {
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }

        .sidebar-tip {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.6;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 1rem;
        }

        .sidebar-tip:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        /* Privacy & Trust */
        .privacy-section {
            background: rgba(18, 62, 37, 0.3);
            border-radius: var(--radius-lg);
            padding: 3rem;
        }

        .privacy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .privacy-card {
            text-align: left;
            padding: 1.5rem;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
        }

        .privacy-card i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .privacy-card h4 {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
        }

        .privacy-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Changelog */
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .changelog-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 1.5rem;
            display: flex;
            gap: 1.5rem;
        }

        .changelog-date {
            font-weight: 800;
            color: var(--accent-gold);
            font-size: 0.9rem;
            flex-shrink: 0;
            min-width: 90px;
        }

        .changelog-content h4 {
            margin-bottom: 0.35rem;
        }

        .changelog-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Platform Guarantee */
        .guarantee-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: flex-start;
            margin-top: 2rem;
        }

        .guarantee-badge {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            background: var(--card-bg);
            border: 1px solid var(--accent-gold);
            border-radius: 50px;
            padding: 0.75rem 1.5rem;
            font-weight: 700;
            color: var(--text-mint);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .guarantee-badge i {
            color: var(--accent-gold);
            font-size: 1.25rem;
        }

        .guarantee-badge:hover {
            background: rgba(255, 215, 0, 0.08);
        }

        /* Countdown Timer */
        .countdown-bar {
            background: var(--bg-secondary);
            border: 2px solid var(--accent-red);
            border-radius: var(--radius-md);
            padding: 2rem;
            text-align: center;
            margin: 0 auto;
        }

        .countdown-digits {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin: 1.5rem 0;
        }

        .countdown-digit {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-red);
            background: rgba(211, 47, 47, 0.15);
            border-radius: var(--radius-sm);
            padding: 0.5rem 1.25rem;
            min-width: 80px;
        }

        .countdown-label {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-top: 0.35rem;
        }

        /* Agenda Timeline */
        .timeline {
            position: relative;
            padding-left: 3rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 1rem;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--accent-gold);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 2rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -0.75rem;
            top: 0.5rem;
            width: 14px;
            height: 14px;
            background: var(--accent-gold);
            border-radius: 50%;
            border: 3px solid var(--bg-primary);
        }

        .timeline-time {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.9rem;
            margin-bottom: 0.35rem;
        }

        .timeline-item h4 {
            margin-bottom: 0.35rem;
        }

        .timeline-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .btn-timeline-action {
            display: inline-block;
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: 0.5rem;
            transition: var(--transition);
        }

        .btn-timeline-action:hover {
            background: var(--accent-gold);
            color: var(--bg-primary);
            text-decoration: none;
        }

        /* Beginner Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            counter-reset: step-counter;
        }

        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            text-align: left;
            position: relative;
            counter-increment: step-counter;
        }

        .step-card::before {
            content: counter(step-counter);
            position: absolute;
            top: -15px;
            left: 20px;
            width: 36px;
            height: 36px;
            background: var(--accent-gold);
            color: var(--bg-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
        }

        .step-card h4 {
            margin-top: 0.75rem;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: #051A10;
            border-top: 2px solid var(--accent-gold);
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2.5rem;
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-size: 1.15rem;
            margin-bottom: 1.25rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.65rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-badges {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            margin-top: 1.5rem;
            flex-wrap: wrap;
        }

        .footer-badges span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A 0%, #0D0D0D 100%);
            border: 3px solid #FFD700;
            color: #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: float-fab 3s ease-in-out infinite;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.75;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

        @keyframes float-fab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        .fab-left .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blink-dot 1.5s infinite;
        }

        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }

            .hero-title { font-size: 2.5rem; }
            .lead-form-wrapper { grid-template-columns: 1fr; }
            .news-layout { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 2px solid var(--accent-gold);
            }

            .nav-menu.open {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .hero-title { font-size: 2rem; }
            .hero-coupon-wall { grid-template-columns: 1fr; }
            .coupon-card.featured { transform: scale(1); }
            .privacy-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .timeline { padding-left: 2rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 520px) {
            .hero-title { font-size: 1.7rem; }
            .hero-desc { font-size: 1rem; }
            .section-title { font-size: 1.6rem; }
            .stats-grid { grid-template-columns: 1fr; }
            .changelog-item { flex-direction: column; }
            .countdown-digits { gap: 0.75rem; }
            .countdown-digit { font-size: 2rem; min-width: 60px; }
            .footer-grid { grid-template-columns: 1fr; }
            .nav-actions { gap: 0.5rem; }
            .btn-login, .btn-signup { padding: 0.4rem 0.9rem; font-size: 0.85rem; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A5D6C7;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.6);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            --gradient-dark: linear-gradient(180deg, #0A2E1C 0%, #071F12 100%);
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 70px;
        }

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: #FFE55C;
            text-decoration: underline;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, .button {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            color: var(--text-white);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .logo:hover {
            color: #FFE55C;
            text-decoration: none;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
        }

        .nav-menu a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
            transition: var(--transition);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent-gold);
            text-decoration: none;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            background: transparent;
            color: var(--text-mint);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1.25rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-signup {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.5rem 1.5rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            color: #0A2E1C;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            border: none;
            padding: 0.5rem;
        }

        /* Article Hero */
        .article-hero {
            padding: 60px 0 40px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.9) 0%, rgba(7, 31, 18, 0.95) 100%);
            z-index: 1;
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .article-hero .category-tag {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .article-meta i {
            color: var(--accent-gold);
        }

        /* Article Body */
        .article-body-section {
            padding: 40px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            align-items: start;
        }

        .article-main {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-mint);
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2rem 0 1rem;
            color: var(--accent-gold);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin: 1.5rem 0 0.75rem;
            color: var(--text-white);
        }

        .article-content p {
            margin-bottom: 1.2rem;
        }

        .article-content ul, .article-content ol {
            margin: 1rem 0;
            padding-left: 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
            color: var(--text-mint);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-muted);
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }

        .article-content a {
            font-weight: 600;
            border-bottom: 1px dashed var(--accent-gold);
        }

        .article-content a:hover {
            border-bottom-style: solid;
        }

        .not-found-state {
            text-align: center;
            padding: 4rem 2rem;
        }

        .not-found-state i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
        }

        .not-found-state h2 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--gradient-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 0.7rem 2rem;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.5);
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(255, 215, 0, 0.7);
            color: #0A2E1C;
            text-decoration: none;
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 90px;
        }

        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            border: 1px solid var(--border-color);
            margin-bottom: 1.5rem;
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--accent-gold);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        .sidebar-card ul {
            list-style: none;
            margin: 0;
        }

        .sidebar-card ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .sidebar-card ul li a {
            color: var(--text-mint);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-card ul li a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }

        .sidebar-card ul li a i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        .hot-tag {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 0.2rem 0.6rem;
            border-radius: 3px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            margin-left: 0.5rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 60px 0;
            background: var(--gradient-dark);
            border-top: 2px solid var(--accent-gold);
            text-align: center;
        }

        .cta-box {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-gold);
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-box h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .cta-box p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .btn-cta-large {
            background: var(--gradient-gold);
            color: #0A2E1C;
            font-weight: 800;
            padding: 1rem 3rem;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255, 215, 0, 0.7);
            color: #0A2E1C;
            text-decoration: none;
        }

        /* Footer */
        .site-footer {
            background: #051a0f;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
            text-align: left;
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            text-align: left;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }

        .footer-col p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            text-align: left;
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            padding: 1.5rem 0;
            border-top: 1px solid var(--border-color);
            margin-bottom: 1.5rem;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-badges span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .footer-badges i {
            color: var(--accent-gold);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            opacity: 0.8;
            animation: float 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.6);
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-secondary);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.3); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            }

            .nav-menu.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-actions {
                gap: 0.5rem;
            }

            .btn-login, .btn-signup {
                padding: 0.4rem 1rem;
                font-size: 0.85rem;
            }

            .article-hero h1 {
                font-size: 1.8rem;
            }

            .article-main {
                padding: 1.5rem;
            }

            .article-content h2 {
                font-size: 1.4rem;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

            .cta-box {
                padding: 2rem 1.5rem;
            }

            .cta-box h3 {
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .footer-col h4, .footer-col p {
                text-align: center;
            }

            .fab {
                width: 48px;
                height: 48px;
                left: 1rem;
                bottom: 5rem;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1rem;
            }

            .btn-login {
                display: none;
            }

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }

            .article-hero h1 {
                font-size: 1.5rem;
            }

            .btn-cta-large {
                padding: 0.8rem 2rem;
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
/* === DESIGN SYSTEM & VARIABLES === */
        :root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A5D6C7;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.6);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            --gradient-dark: linear-gradient(180deg, #0A2E1C 0%, #071F12 100%);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #FFE55C;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .button {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* === NAVIGATION === */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
            transition: var(--transition);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        .logo:hover {
            color: #FFE55C;
            text-decoration: none;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
        }
        .nav-menu a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
            transition: var(--transition);
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            background: transparent;
            color: var(--text-mint);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1.25rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-signup {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.5rem 1.5rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            color: #0A2E1C;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            border: none;
            padding: 0.5rem;
        }

        /* === HERO SECTION === */
        .cat-hero {
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.9) 0%, rgba(7, 31, 18, 0.97) 100%);
            z-index: 1;
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .cat-hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 1.5rem;
            font-family: var(--font-heading);
            text-shadow: 0 2px 10px rgba(0,0,0,0.6);
        }
        .cat-hero-text p {
            font-size: 1.15rem;
            color: var(--text-mint);
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .cat-hero-badges {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .cat-hero-badges span {
            background: rgba(211, 47, 47, 0.9);
            color: var(--text-white);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            border: 1px solid var(--accent-red);
        }
        .cat-hero-image {
            background: rgba(18, 62, 37, 0.5);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(5px);
            box-shadow: var(--shadow-card);
        }
        .cat-hero-image img {
            width: 100%;
            height: 350px;
            object-fit: cover;
            opacity: 0.9;
        }
        .btn-cta-large {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.9rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 800;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-gold);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .btn-cta-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            color: #0A2E1C;
            text-decoration: none;
        }

        /* === SECTIONS & CONTENT === */
        section {
            padding: 80px 0;
        }
        .section-header {
            margin-bottom: 3rem;
            border-left: 4px solid var(--accent-gold);
            padding-left: 1.5rem;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            font-family: var(--font-heading);
        }
        .section-header span {
            color: var(--accent-gold);
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        /* === PORTAL CARDS === */
        .portal-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .portal-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition);
            backdrop-filter: blur(4px);
            display: flex;
            flex-direction: column;
        }
        .portal-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-5px);
        }
        .portal-card-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .portal-rank {
            background: var(--accent-red);
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.4rem;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(211, 47, 47, 0.5);
        }
        .portal-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 0;
        }
        .portal-info .rating {
            color: var(--accent-gold);
            font-size: 1rem;
        }
        .portal-desc {
            color: var(--text-mint);
            line-height: 1.7;
            flex: 1;
        }
        .portal-features {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin: 1.5rem 0;
        }
        .portal-features span {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-color);
            color: var(--text-mint);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        .btn-portal {
            background: var(--accent-gold);
            color: #0A2E1C;
            padding: 0.75rem 1.8rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            text-align: center;
            margin-top: 1rem;
        }
        .btn-portal:hover {
            background: #FFE55C;
            color: #0A2E1C;
            text-decoration: none;
        }

        /* === SECURITY & PAYMENT SECTION === */
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .payment-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 2rem 1rem;
            transition: var(--transition);
        }
        .payment-item i {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .payment-item h4 {
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .payment-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* === FAQ === */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            cursor: pointer;
            margin: 0;
        }
        .faq-answer {
            margin-top: 1rem;
            color: var(--text-mint);
            line-height: 1.7;
            display: none;
            padding-left: 2.5rem;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-toggle {
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.2rem;
            padding: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--accent-gold);
        }

        /* === CTA BANNER === */
        .cta-banner {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.4) 0%, rgba(10, 46, 28, 0.9) 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 3rem;
            text-align: left;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-gold);
        }
        .cta-banner h2 {
            color: var(--accent-gold);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .cta-banner p {
            color: var(--text-mint);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }

        /* === FOOTER === */
        .site-footer {
            background: #051A0F;
            border-top: 2px solid var(--border-color);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-badges {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-badges span {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-badges i {
            color: var(--accent-gold);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
        }

        /* === FAB === */
        .fab-floating {
            position: fixed;
            left: 1.5rem;
            bottom: 2rem;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .fab-main {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--gradient-gold);
            box-shadow: 0 6px 25px rgba(255, 215, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #0A2E1C;
            transition: var(--transition);
            position: relative;
            animation: float 3s ease-in-out infinite;
        }
        .fab-main:hover {
            transform: scale(1.15);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.7);
        }
        .fab-main:active {
            transform: scale(0.95);
        }
        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
        }
        @keyframes float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
            100% { transform: translateY(0); }
        }

        /* === MOBILE & RESPONSIVE === */
        @media (max-width: 1024px) {
            .cat-hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .cat-hero-image {
                max-width: 500px;
                margin: 0 auto;
            }
            .portal-grid { grid-template-columns: 1fr; }
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background: var(--bg-primary);
                flex-direction: column;
                padding: 2rem;
                transition: left 0.3s ease;
                border-right: 1px solid var(--border-color);
            }
            .nav-menu.open {
                left: 0;
            }
            .nav-menu a {
                padding: 1rem 0;
                width: 100%;
                border-bottom: 1px solid var(--border-color);
            }
            .mobile-toggle {
                display: block;
            }
            .cat-hero { min-height: auto; padding: 120px 0 60px; }
            .cat-hero-text h1 { font-size: 2rem; }
            .payment-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .cta-banner { text-align: center; }
        }
        @media (max-width: 520px) {
            .cat-hero-text h1 { font-size: 1.6rem; }
            .section-header h2 { font-size: 1.5rem; }
            .portal-card { padding: 1.2rem; }
            .nav-actions .btn-login { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
            .btn-signup { padding: 0.4rem 1rem; font-size: 0.85rem; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A5D6C7;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.6);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            --gradient-dark: linear-gradient(180deg, #0A2E1C 0%, #071F12 100%);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #FFE55C;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .button {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
            transition: var(--transition);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        .logo:hover {
            color: #FFE55C;
            text-decoration: none;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
            transition: var(--transition);
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            background: transparent;
            color: var(--text-mint);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1.25rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-signup {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.5rem 1.5rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            color: #0A2E1C;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            border: none;
            padding: 0.5rem;
        }
        .page-hero {
            padding: 120px 0 60px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            text-align: left;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.88) 0%, rgba(7, 31, 18, 0.95) 100%);
            z-index: 1;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .page-hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .page-hero-text .subtitle {
            font-size: 1.15rem;
            color: var(--text-mint);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        .btn-cta-gold {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.75rem 2rem;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-cta-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.7);
            color: #0A2E1C;
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 2px solid var(--border-color);
        }
        .section-padding {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
            text-align: left;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 2.5rem;
            max-width: 700px;
            line-height: 1.7;
        }
        .criteria-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .criteria-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            transition: var(--transition);
        }
        .criteria-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .criteria-card i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .criteria-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .criteria-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .portal-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .portal-row {
            display: grid;
            grid-template-columns: 80px 1fr auto;
            gap: 1.5rem;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            align-items: center;
            transition: var(--transition);
        }
        .portal-row:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .portal-rank {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-align: center;
        }
        .portal-info h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.25rem;
        }
        .portal-info .rate {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .portal-info .desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 0.25rem;
        }
        .btn-portal {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.6rem 1.5rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            white-space: nowrap;
        }
        .btn-portal:hover {
            transform: scale(1.03);
            color: #0A2E1C;
        }
        .faq-list {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            transition: var(--transition);
        }
        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }
        .faq-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .cta-banner {
            background: var(--gradient-dark);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .cta-banner p {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
        }
        .site-footer {
            background: #051A10;
            border-top: 2px solid var(--accent-gold);
            padding: 50px 0 20px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            padding: 1.5rem 0;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.9rem;
            align-items: center;
        }
        .footer-badges i {
            color: var(--accent-gold);
            margin-right: 0.35rem;
        }
        .footer-bottom {
            text-align: left;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--gradient-gold);
            color: #0A2E1C;
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid #C5A059;
            transition: var(--transition);
            opacity: 0.7;
            animation: floatFab 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.8);
        }
        @keyframes floatFab {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @media (max-width: 1024px) {
            .page-hero-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-menu.active-mobile {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .portal-row {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .btn-portal {
                width: 100%;
                justify-content: center;
            }
            .page-hero {
                padding: 100px 0 40px;
            }
            .page-hero-text h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
/* roulang design system - shared variables & base */
        :root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A5D6C7;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.6);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --gradient-gold: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
            --gradient-dark: linear-gradient(180deg, #0A2E1C 0%, #071F12 100%);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        * {
            box-sizing: border-box;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #FFE55C;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .button {
            cursor: pointer;
            border: none;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
            transition: var(--transition);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        .logo:hover {
            color: #FFE55C;
            text-decoration: none;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 0.35rem 0;
            transition: var(--transition);
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            background: transparent;
            color: var(--text-mint);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1.25rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-signup {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.5rem 1.5rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            color: #0A2E1C;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.5rem;
            border: none;
            padding: 0.5rem;
        }
        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.9) 0%, rgba(7, 31, 18, 0.95) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-mint);
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--gradient-gold);
            color: #0A2E1C;
            padding: 0.75rem 2rem;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.5);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.7);
            color: #0A2E1C;
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 0.75rem 2rem;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        /* Sections */
        section {
            padding: 80px 0;
        }
        .section-header {
            margin-bottom: 3rem;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .info-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }
        .info-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.2);
            transform: translateY(-4px);
        }
        .info-card .icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
        }
        .info-card h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .info-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* Feature list */
        .feature-list {
            list-style: none;
            padding: 0;
        }
        .feature-list li {
            display: flex;
            gap: 1rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list i {
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .feature-list h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }
        .feature-list p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }
        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
        }
        .stat-item {
            padding: 2rem;
            background: rgba(255, 215, 0, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.1;
            display: block;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-top: 0.5rem;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        .faq-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }
        .faq-item p {
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }
        /* CTA Block */
        .cta-block {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 4rem 2rem;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid rgba(255, 215, 0, 0.4);
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .cta-block p {
            color: var(--text-mint);
            margin-bottom: 2rem;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            padding: 1.5rem 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 1.5rem;
        }
        .footer-badges span {
            color: var(--text-mint);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-badges i {
            color: var(--accent-gold);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 7rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(10, 46, 28, 0.8);
            backdrop-filter: blur(12px);
            border: 2px solid #FFD700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            opacity: 0.7;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        /* Responsive */
        @media screen and (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            }
        }
        @media screen and (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                padding: 1.5rem;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-menu.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-section {
                padding: 120px 0 60px;
                min-height: 60vh;
            }
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            section {
                padding: 50px 0;
            }
            .cta-block {
                padding: 2.5rem 1.5rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .fab {
                left: 1rem;
                bottom: 6rem;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }
        @media screen and (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .logo {
                font-size: 1rem;
            }
            .nav-actions .btn-login {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
            .nav-actions .btn-signup {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
        }
