/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-muted: #D1F2EB;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.7);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            overflow-x: hidden;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.5px;
        }
        .logo span {
            color: var(--text-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            color: var(--accent-gold);
            background: transparent;
            border: 1px solid var(--accent-gold);
            padding: 8px 20px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        .btn-signup {
            color: #0A2E1C;
            background: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
            font-size: 0.9rem;
            border: none;
        }
        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
        }
        #mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            #mobile-menu-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-auth {
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .logo {
                font-size: 1.1rem;
            }
        }
        .hero-section {
            padding-top: 120px;
            padding-bottom: 60px;
            background: linear-gradient(135deg, rgba(10,46,28,1) 0%, rgba(18,62,37,0.9) 50%, rgba(10,46,28,1) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-blend-mode: overlay;
            position: relative;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255,215,0,0.08) 0%, transparent 70%);
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
                text-align: left;
            }
            .hero-section {
                padding-top: 100px;
                padding-bottom: 40px;
            }
        }
        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        .hero-text h1 span {
            color: var(--accent-gold);
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 30px;
            line-height: 1.7;
            max-width: 540px;
        }
        .hero-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .hero-badges span {
            background: rgba(255,215,0,0.15);
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
        }
        .hero-cta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--accent-red);
            color: white;
            padding: 14px 32px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.2s;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #C62828;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(211,47,47,0.4);
        }
        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 32px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.2s;
            cursor: pointer;
        }
        .btn-outline-gold:hover {
            background: rgba(255,215,0,0.1);
            transform: translateY(-2px);
        }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-visual img {
            max-width: 100%;
            border-radius: 20px;
            border: 2px solid var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        section {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-primary);
            text-align: left;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 40px;
            line-height: 1.6;
            max-width: 700px;
            text-align: left;
        }
        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        @media (max-width: 768px) {
            .milestone-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        .milestone-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: left;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .milestone-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .milestone-card .year {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .milestone-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .milestone-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 30px;
            align-items: start;
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item .news-date {
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
            min-width: 70px;
        }
        .news-list-item .news-content a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 600;
            transition: color 0.2s;
            font-size: 1rem;
        }
        .news-list-item .news-content a:hover {
            color: var(--accent-gold);
        }
        .news-list-item .news-excerpt {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-top: 4px;
        }
        .news-highlight {
            background: var(--card-bg);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .news-highlight img {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .news-highlight h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .news-highlight p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .service-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 768px) {
            .service-cards {
                grid-template-columns: 1fr;
            }
        }
        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            border: 1px solid rgba(255,255,255,0.05);
            transition: all 0.3s;
            text-align: left;
        }
        .service-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .service-card .icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .app-download-section {
            background: linear-gradient(135deg, #123E25 0%, #0A2E1C 100%);
            border-radius: 24px;
            padding: 50px 40px;
            display: flex;
            gap: 40px;
            align-items: center;
            border: 1px solid var(--border-color);
        }
        @media (max-width: 768px) {
            .app-download-section {
                flex-direction: column;
                padding: 30px 20px;
            }
        }
        .app-text {
            flex: 1;
        }
        .app-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--accent-gold);
        }
        .app-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .app-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
        }
        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--accent-gold);
            cursor: pointer;
        }
        .faq-item p {
            color: var(--text-muted);
            line-height: 1.6;
            font-size: 0.95rem;
        }
        .about-section {
            background: var(--bg-secondary);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(255,255,255,0.05);
        }
        .about-section h2 {
            color: var(--accent-gold);
            font-size: 1.6rem;
            margin-bottom: 16px;
        }
        .about-section p {
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        footer {
            background: #051A10;
            border-top: 2px solid var(--accent-gold);
            padding: 50px 0 30px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-col a {
            color: var(--text-muted);
            text-decoration: none;
            display: block;
            margin-bottom: 8px;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .badge-18plus {
            background: var(--accent-red);
            color: white;
            padding: 4px 12px;
            border-radius: 6px;
            font-weight: 800;
            font-size: 0.85rem;
            display: inline-block;
            margin-right: 10px;
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A, #0D0D0D);
            border: 3px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
            transition: all 0.3s;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --accent-lava: #FF4500;
            --accent-fire: #FF0000;
            --accent-gold: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #999999;
            --border-color: #2A2A2A;
            --card-bg: #1A1A1A;
            --shadow-glow: 0 0 15px rgba(255, 69, 0, 0.3);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        
        button, input, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        
        button:focus-visible, a:focus-visible {
            outline: 2px solid var(--accent-lava);
            outline-offset: 2px;
        }
        
        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* Navigation */
        header {
            background-color: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            white-space: nowrap;
        }
        
        .logo span {
            color: var(--accent-lava);
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 24px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 32px;
            margin: 0;
            padding: 0;
        }
        
        .nav-links a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-lava);
            transition: var(--transition);
            border-radius: 2px;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-lava);
        }
        
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .btn-login {
            color: var(--text-primary);
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 8px;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        
        .btn-login:hover {
            background: rgba(255, 69, 0, 0.1);
            color: var(--accent-lava);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            color: white;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 8px;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(255, 69, 0, 0.3);
        }
        
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(255, 69, 0, 0.5);
        }
        
        #mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #0B0B0B 0%, #1A1A1A 50%, #2A0A0A 100%);
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: left;
        }
        
        .hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            color: white;
            padding: 6px 20px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.2;
            color: var(--text-primary);
        }
        
        .hero h1 span {
            color: var(--accent-lava);
        }
        
        .hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
        }
        
        .hero-stat {
            text-align: left;
        }
        
        .hero-stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }
        
        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        
        /* Invitation Progress */
        .invite-section {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 30px;
            margin-top: 10px;
        }
        
        .invite-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .invite-title {
            font-size: 1.2rem;
            font-weight: 600;
        }
        
        .invite-reward {
            background: linear-gradient(135deg, rgba(255, 191, 0, 0.2), rgba(255, 140, 0, 0.2));
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        .progress-bar-container {
            width: 100%;
            height: 8px;
            background: var(--border-color);
            border-radius: 10px;
            margin-bottom: 15px;
            overflow: hidden;
        }
        
        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-lava), var(--accent-fire), var(--accent-gold));
            border-radius: 10px;
            transition: width 0.5s ease;
            width: 65%;
        }
        
        .progress-labels {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        
        .btn-invite {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-lava));
            color: white;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 10px;
            font-size: 1rem;
            display: inline-block;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
            cursor: pointer;
            border: none;
        }
        
        .btn-invite:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 25px rgba(255, 69, 0, 0.6);
        }
        
        /* Promotion Cards Section */
        .promotions-section {
            padding: 60px 0;
            background: var(--bg-secondary);
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 40px;
        }
        
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }
        
        .promo-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        
        .promo-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-lava);
            border-width: 1px;
            border-style: solid;
            border-color: var(--accent-lava);
        }
        
        .promo-card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        
        .promo-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .promo-card:hover .promo-card-image img {
            transform: scale(1.05);
        }
        
        .promo-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent-lava);
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
        }
        
        .promo-card-body {
            padding: 20px;
        }
        
        .promo-code {
            display: inline-block;
            background: rgba(255, 69, 0, 0.15);
            border: 1px dashed var(--accent-lava);
            color: var(--accent-lava);
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 12px;
            margin-bottom: 15px;
        }
        
        .promo-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        
        .promo-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 15px;
        }
        
        .btn-claim {
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            color: white;
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 8px;
            font-size: 0.9rem;
            display: inline-block;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(255, 69, 0, 0.2);
            cursor: pointer;
            border: none;
        }
        
        .btn-claim:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(255, 69, 0, 0.4);
        }
        
        /* Steps Section */
        .steps-section {
            padding: 60px 0;
            background: var(--bg-primary);
        }
        
        .steps-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .step-item {
            text-align: left;
            padding: 25px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            position: relative;
            transition: var(--transition);
        }
        
        .step-item:hover {
            border-color: var(--accent-lava);
        }
        
        .step-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-lava);
            opacity: 0.2;
            margin-bottom: 10px;
        }
        
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        /* FAQ Section */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-secondary);
        }
        
        .faq-item {
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--accent-lava);
        }
        
        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--card-bg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        
        .faq-question i {
            transition: transform 0.3s ease;
        }
        
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            background: rgba(26, 26, 26, 0.5);
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 500px;
            border-top: 1px solid var(--border-color);
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0B0B0B 0%, #2A0A0A 100%);
            text-align: center;
        }
        
        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        
        .cta-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
        }
        
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lava), var(--accent-fire));
            color: white;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
            display: inline-block;
            border: none;
            cursor: pointer;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 25px rgba(255, 69, 0, 0.6);
        }
        
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--accent-lava);
            color: var(--accent-lava);
            font-weight: 600;
            padding: 14px 40px;
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-block;
            cursor: pointer;
        }
        
        .btn-secondary:hover {
            background: rgba(255, 69, 0, 0.1);
        }
        
        /* Footer */
        footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 20px;
            color: var(--text-secondary);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        
        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-primary);
        }
        
        .footer-col a {
            display: block;
            color: var(--text-muted);
            margin-bottom: 8px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .footer-col a:hover {
            color: var(--accent-lava);
        }
        
        .footer-col p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        
        .badge-18plus {
            display: inline-block;
            background: var(--accent-lava);
            color: white;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-top: 12px;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero-stats {
                flex-wrap: wrap;
                gap: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 16px;
                z-index: 999;
            }
            
            .nav-links.show {
                display: flex;
            }
            
            #mobile-menu-btn {
                display: block;
            }
            
            .nav-auth {
                display: none;
            }
            
            .nav-auth.mobile-show {
                display: flex;
                flex-direction: column;
                width: 100%;
                gap: 12px;
                margin-top: 15px;
            }
            
            .hero {
                padding: 60px 0 40px;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 0.95rem;
            }
            
            .hero-stats {
                gap: 20px;
            }
            
            .hero-stat-number {
                font-size: 2rem;
            }
            
            .promo-grid {
                grid-template-columns: 1fr;
            }
            
            .steps-list {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .cta-title {
                font-size: 1.8rem;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            
            .nav-container {
                padding: 12px 16px;
            }
            
            .hero h1 {
                font-size: 1.6rem;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 15px;
            }
            
            .invite-header {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A0E17;
            --bg-secondary: #131A29;
            --bg-card: #1A2235;
            --accent-gold: #F0C850;
            --accent-gold-light: #FDE68A;
            --accent-amber: #E5A100;
            --accent-red: #DC2626;
            --accent-emerald: #059669;
            --text-primary: #F8FAFC;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-soft: rgba(240, 200, 80, 0.15);
            --border-gold: rgba(240, 200, 80, 0.4);
            --shadow-gold: 0 4px 24px rgba(240, 200, 80, 0.12);
            --shadow-elevated: 0 8px 32px rgba(0,0,0,0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 50% 0%, rgba(240, 200, 80, 0.04) 0%, transparent 65%),
                        radial-gradient(ellipse at 80% 30%, rgba(5, 150, 105, 0.03) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }
        header {
            background: rgba(10, 14, 23, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: background 0.3s;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: -0.3px;
        }
        .logo span {
            color: var(--accent-gold);
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            background: rgba(240, 200, 80, 0.1);
            color: var(--accent-gold);
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login {
            color: var(--accent-gold);
            text-decoration: none;
            padding: 8px 18px;
            border-radius: 24px;
            font-weight: 600;
            border: 1px solid var(--border-gold);
            transition: 0.25s;
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: rgba(240, 200, 80, 0.08);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            color: #0A0E17;
            text-decoration: none;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 700;
            transition: 0.25s;
            box-shadow: 0 2px 12px rgba(240, 200, 80, 0.3);
            font-size: 0.9rem;
        }
        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(240, 200, 80, 0.5);
            transform: translateY(-1px);
        }
        #mobile-menu-btn {
            display: none;
            background: transparent;
            border: 1px solid var(--border-soft);
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
        }
        @media (max-width: 1024px) {
            .nav-links { display: none; }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                width: 100%;
                background: var(--bg-secondary);
                border-radius: 12px;
                margin-top: 12px;
                padding: 12px;
                gap: 2px;
                border: 1px solid var(--border-soft);
            }
            .nav-auth { margin-left: auto; }
            #mobile-menu-btn { display: block; }
        }
        @media (max-width: 640px) {
            .nav-container { gap: 8px; }
            .logo { font-size: 1.25rem; }
            .btn-signup { padding: 8px 14px; font-size: 0.82rem; }
            .btn-login { padding: 6px 14px; font-size: 0.82rem; }
        }

        /* Article Content Area */
        .article-hero {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-soft);
            padding: 40px 0;
            position: relative;
            overflow: hidden;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -20px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(240,200,80,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .badge-cat {
            display: inline-block;
            background: rgba(240,200,80,0.12);
            color: var(--accent-gold-light);
            font-size: 0.85rem;
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            border: 1px solid var(--border-soft);
        }
        .article-meta {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            margin-top: 10px;
        }
        .article-body {
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        .article-body h2 {
            font-size: 1.7rem;
            color: var(--accent-gold);
            margin: 32px 0 14px;
            font-weight: 700;
        }
        .article-body h3 {
            font-size: 1.3rem;
            color: var(--text-primary);
            margin: 26px 0 10px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 18px;
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
        }
        .article-body ul, .article-body ol {
            margin: 16px 0;
            padding-left: 24px;
            color: var(--text-secondary);
        }
        .article-body li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .article-body blockquote {
            border-left: 3px solid var(--accent-gold);
            padding: 14px 20px;
            margin: 24px 0;
            background: var(--bg-card);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .cta-inline {
            background: linear-gradient(135deg, var(--bg-card), #1E2A40);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            margin: 32px 0;
        }
        .btn-gold {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #0A0E17;
            padding: 12px 32px;
            border-radius: 28px;
            font-weight: 700;
            text-decoration: none;
            font-size: 1rem;
            transition: 0.25s;
            box-shadow: 0 4px 16px rgba(240, 200, 80, 0.3);
        }
        .btn-gold:hover {
            box-shadow: 0 6px 24px rgba(240, 200, 80, 0.45);
            transform: translateY(-2px);
        }
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-box h2 {
            font-size: 2rem;
            color: var(--accent-gold);
        }
        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 20px;
            margin-top: 60px;
            color: var(--text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            text-decoration: none;
            margin-bottom: 8px;
            transition: 0.2s;
        }
        .footer-col a:hover { color: var(--accent-gold); }
        .badge-18plus {
            display: inline-block;
            background: var(--accent-red);
            color: white;
            font-weight: 800;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 16px;
            text-align: center;
            font-size: 0.85rem;
        }

/* roulang page: category2 */
@import url('/assets/css/vendor/9723b7396f-css2.css');

        :root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #232326;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #B8860B;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A0A0A8;
            --border-gold: rgba(197, 160, 89, 0.3);
            --shadow-gold: 0 8px 32px rgba(197, 160, 89, 0.12);
            --radius-lg: 1.25rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        .text-gradient-gold {
            background: linear-gradient(135deg, #FFBF00 0%, #C5A059 50%, #B8860B 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Navigation */
        header {
            background-color: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            position: sticky;
            top: 0;
            z-index: 50;
            transition: background-color 0.3s ease;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 2rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .logo span {
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s, border-bottom 0.2s;
            padding-bottom: 0.25rem;
            border-bottom: 2px solid transparent;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-amber);
            border-bottom-color: var(--accent-gold);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .btn-login {
            color: var(--accent-amber);
            font-weight: 600;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 2rem;
            transition: background 0.2s;
        }
        .btn-login:hover {
            background-color: rgba(197, 160, 89, 0.1);
        }

        .btn-signup {
            background: linear-gradient(135deg, #C5A059, #B8860B);
            color: #121212;
            font-weight: 700;
            padding: 0.6rem 1.6rem;
            border-radius: 2rem;
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(197, 160, 89, 0.35);
            transition: transform 0.15s, box-shadow 0.15s;
            border: none;
            cursor: pointer;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(197, 160, 89, 0.45);
        }

        #mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-amber);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-guide {
            background: radial-gradient(circle at 20% 20%, #1C1C1E, #0A0A0B);
            padding: 5rem 0 4rem;
            border-bottom: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }
        .hero-guide::before {
            content: "";
            position: absolute;
            top: -20%;
            right: -10%;
            width: 550px;
            height: 550px;
            background: radial-gradient(circle, rgba(197,160,89,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-ask {
            background: rgba(35,35,38,0.7);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            max-width: 720px;
            margin: 0 auto;
            text-align: left;
        }
        .hero-ask h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .hero-ask p {
            color: var(--text-muted);
            font-size: 1.15rem;
            margin-bottom: 2rem;
        }
        .search-form {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            background: #121212;
            border: 1px solid var(--border-gold);
            border-radius: 3rem;
            padding: 0.9rem 1.5rem;
            color: white;
            font-size: 1rem;
        }
        .search-form button {
            background: var(--accent-amber);
            color: #121212;
            font-weight: 700;
            border: none;
            border-radius: 3rem;
            padding: 0.9rem 2rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: #e6ac00;
        }

        /* Section Styles */
        .section {
            padding: 4.5rem 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            text-align: left;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin-bottom: 2.5rem;
        }

        /* Steps Grid */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
        }
        .step-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            transition: 0.2s;
            position: relative;
        }
        .step-card:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-gold);
        }
        .step-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            opacity: 0.25;
            position: absolute;
            top: 10px;
            right: 20px;
        }

        /* Game category list */
        .game-category-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
        }
        .game-item {
            background: #1C1C1E;
            border-left: 4px solid var(--accent-amber);
            padding: 1rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            flex: 1 1 200px;
        }

        /* Tips cards */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        .tip-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.4);
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-gold);
            padding: 1.5rem 0;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.15rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            color: var(--text-muted);
            margin-top: 0.8rem;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* Footer */
        footer {
            background: #0A0A0B;
            border-top: 1px solid var(--border-gold);
            padding: 3.5rem 0 1.5rem;
            color: var(--text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--accent-amber);
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            margin-bottom: 0.5rem;
        }
        .badge-18plus {
            background: #D32F2F;
            color: white;
            padding: 0.25rem 0.9rem;
            border-radius: 1rem;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-block;
            margin-top: 0.5rem;
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.9rem;
            border-top: 1px solid #2C2C2E;
            padding-top: 1.5rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links { gap: 1.2rem; }
        }
        @media (max-width: 768px) {
            #mobile-menu-btn { display: block; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #121212;
                padding: 1.5rem;
                gap: 1.2rem;
                border-bottom: 1px solid var(--border-gold);
            }
            .nav-links.open { display: flex; }
            .nav-auth { margin-left: auto; }
            .hero-ask h1 { font-size: 1.9rem; }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #121212;
            --secondary-bg: #1C1C1E;
            --gold-accent: #C5A059;
            --amber-gold: #FFBF00;
            --warm-white: #F5F5F7;
            --muted-gold: #D4AC0D;
            --card-bg: #1E1E20;
            --border-color: #2A2A2D;
            --text-secondary: #A1A1A6;
            --danger: #D32F2F;
            --success: #2E7D32;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--primary-bg);
            color: var(--warm-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }
        
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* Header & Navigation */
        header {
            background: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0 24px;
        }
        
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1280px;
            margin: 0 auto;
            height: 68px;
        }
        
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--gold-accent);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .logo span {
            color: var(--warm-white);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 8px;
            align-items: center;
        }
        
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 25px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--amber-gold);
            background: rgba(197, 160, 89, 0.1);
        }
        
        .nav-auth {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        
        .btn-login {
            color: var(--gold-accent);
            text-decoration: none;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 25px;
            border: 1.5px solid var(--gold-accent);
            transition: var(--transition);
            font-size: 0.85rem;
            white-space: nowrap;
        }
        
        .btn-login:hover {
            background: rgba(197, 160, 89, 0.15);
            border-color: var(--amber-gold);
            color: var(--amber-gold);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--gold-accent), var(--amber-gold));
            color: #121212;
            text-decoration: none;
            font-weight: 700;
            padding: 8px 22px;
            border-radius: 25px;
            transition: var(--transition);
            font-size: 0.85rem;
            white-space: nowrap;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(197, 160, 89, 0.5);
        }
        
        #mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--warm-white);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        
        /* Hero Section */
        .hero-section {
            background: linear-gradient(180deg, #1C1C1E 0%, #121212 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }
        
        .hero-avatar {
            flex-shrink: 0;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 3px solid var(--gold-accent);
            background: linear-gradient(135deg, var(--gold-accent), var(--amber-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: #121212;
            box-shadow: 0 8px 32px rgba(197, 160, 89, 0.25);
        }
        
        .hero-info h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--warm-white);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        
        .hero-info .subtitle {
            color: var(--gold-accent);
            font-size: 1.1rem;
            font-weight: 500;
            margin-bottom: 16px;
        }
        
        .hero-badges {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .badge-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--card-bg);
            padding: 10px 18px;
            border-radius: 25px;
            border: 1px solid var(--border-color);
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .badge-stat i {
            color: var(--gold-accent);
            font-size: 1.1rem;
        }
        
        .hero-cta {
            display: flex;
            gap: 12px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--gold-accent), var(--amber-gold));
            color: #121212;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(197, 160, 89, 0.5);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--gold-accent);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 30px;
            text-decoration: none;
            border: 1.5px solid var(--gold-accent);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }
        
        .btn-secondary:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--amber-gold);
            color: var(--amber-gold);
        }
        
        /* Promotions Grid */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 24px;
            margin: 40px 0;
        }
        
        .promo-card {
            background: var(--secondary-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        
        .promo-card:hover {
            border-color: var(--gold-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        
        .promo-card.hot {
            border-color: rgba(211, 47, 47, 0.4);
        }
        
        .promo-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--danger);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
            text-transform: uppercase;
        }
        
        .promo-badge.new {
            background: var(--success);
        }
        
        .promo-thumb {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        
        .promo-body {
            padding: 20px 24px 24px;
        }
        
        .promo-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 8px;
        }
        
        .promo-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
            margin-bottom: 16px;
        }
        
        .promo-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: 12px;
        }
        
        .promo-value {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--amber-gold);
        }
        
        .promo-code {
            background: rgba(197, 160, 89, 0.1);
            color: var(--gold-accent);
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px dashed var(--gold-accent);
        }
        
        /* VIP Progress Section */
        .vip-section {
            background: var(--secondary-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            padding: 40px;
            margin: 40px 0;
        }
        
        .vip-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 16px;
        }
        
        .vip-title h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--warm-white);
        }
        
        .vip-levels {
            display: flex;
            justify-content: space-between;
            position: relative;
            padding: 0 20px;
            margin-top: 30px;
        }
        
        .vip-levels::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 30px;
            right: 30px;
            height: 3px;
            background: var(--border-color);
            z-index: 0;
            border-radius: 2px;
        }
        
        .vip-level {
            text-align: center;
            position: relative;
            z-index: 1;
            flex: 1;
        }
        
        .vip-dot {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--border-color);
            margin: 0 auto 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            transition: var(--transition);
            border: 3px solid transparent;
        }
        
        .vip-level.active .vip-dot {
            background: linear-gradient(135deg, var(--gold-accent), var(--amber-gold));
            color: #121212;
            border-color: var(--amber-gold);
            box-shadow: 0 0 20px rgba(197, 160, 89, 0.4);
        }
        
        .vip-label {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        
        .vip-level.active .vip-label {
            color: var(--amber-gold);
        }
        
        /* Daily Events Section */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .event-card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        
        .event-card:hover {
            border-color: var(--gold-accent);
        }
        
        .event-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(197, 160, 89, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--gold-accent);
            margin-bottom: 14px;
        }
        
        .event-card h4 {
            font-weight: 700;
            color: var(--warm-white);
            margin-bottom: 6px;
        }
        
        .event-card p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.5;
        }
        
        /* FAQ Section */
        .faq-section {
            margin: 50px 0;
        }
        
        .faq-item {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--gold-accent);
        }
        
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--warm-white);
            font-size: 1rem;
        }
        
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            display: none;
        }
        
        .faq-item.open .faq-answer {
            display: block;
        }
        
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.15), rgba(18, 18, 18, 0.9));
            border: 1px solid var(--gold-accent);
            border-radius: var(--radius);
            padding: 50px 40px;
            text-align: center;
            margin: 50px 0;
        }
        
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--warm-white);
            margin-bottom: 12px;
        }
        
        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Footer */
        footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 60px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        
        .footer-col h4 {
            color: var(--gold-accent);
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        
        .footer-col p,
        .footer-col a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            text-decoration: none;
            display: block;
            margin-bottom: 6px;
            transition: var(--transition);
        }
        
        .footer-col a:hover {
            color: var(--amber-gold);
        }
        
        .badge-18plus {
            display: inline-block;
            background: var(--danger);
            color: white;
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(18, 18, 18, 0.8);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(197, 160, 89, 0.3);
            animation: float 3s ease-in-out infinite;
        }
        
        .fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-accent), var(--amber-gold));
            z-index: -1;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(197, 160, 89, 0.6);
        }
        
        .fab i {
            color: var(--amber-gold);
            font-size: 1.4rem;
        }
        
        .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--danger);
            border: 2px solid #121212;
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-info h1 {
                font-size: 2.2rem;
            }
            
            .hero-badges {
                justify-content: center;
            }
            
            .hero-cta {
                justify-content: center;
            }
            
            .promo-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--secondary-bg);
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--border-color);
                z-index: 999;
            }
            
            .nav-links.open {
                display: flex;
            }
            .nav-links{display:none;}
            .nav-links.open{display:flex;}
            
            #mobile-menu-btn {
                display: block;
            }
            
            .nav-auth {
                gap: 8px;
            }
            
            .hero-content {
                gap: 24px;
            }
            
            .hero-info h1 {
                font-size: 1.9rem;
            }
            
            .promo-grid {
                grid-template-columns: 1fr;
            }
            
            .events-grid {
                grid-template-columns: 1fr;
            }
            
            .vip-section {
                padding: 24px;
            }
            
            .cta-section {
                padding: 30px 20px;
            }
            
            .vip-levels {
                flex-wrap: wrap;
                gap: 16px;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            
            .hero-info h1 {
                font-size: 1.6rem;
            }
            
            .btn-login {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            
            .btn-signup {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 70px;
            }
        }