/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0D351F;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A3C4B8;
            --border-gold: #FFD700;
            --border-card: #2E5A3E;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Segoe UI', 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;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10,46,28,0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,215,0,0.2);
            transition: var(--transition-base);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-decoration: none;
            letter-spacing: -0.5px;
            white-space: nowrap;
            text-shadow: 0 0 10px rgba(255,215,0,0.4);
        }
        .nav-links {
            display: flex;
            gap: 8px;
            align-items: center;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            background: rgba(255,215,0,0.12);
            color: var(--accent-gold);
        }
        .nav-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255,215,0,0.1);
            box-shadow: var(--shadow-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            color: #0A2E1C;
            border: none;
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255,215,0,0.5);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255,215,0,0.7);
        }
        /* Sections */
        section {
            padding: 80px 0;
        }
        @media (max-width: 1024px) {
            .nav-links { gap: 2px; }
            .nav-links a { padding: 8px 10px; font-size: 0.85rem; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-menu-btn { display: block !important; }
            section { padding: 60px 0; }
            .container { padding: 0 16px; }
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            width: 100%;
            background: rgba(10,46,28,0.98);
            backdrop-filter: blur(16px);
            flex-direction: column;
            padding: 24px;
            gap: 12px;
            display: none;
            z-index: 999;
            border-bottom: 2px solid var(--accent-gold);
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 500;
            padding: 12px 16px;
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .mobile-drawer a:hover {
            background: rgba(255,215,0,0.15);
            color: var(--accent-gold);
        }
        /* Hero - Campaign Style */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 50%, #0D351F 100%);
            overflow: hidden;
            padding: 120px 0 80px;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211,47,47,0.15);
            border: 1px solid var(--accent-red);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            color: #FF6666;
            font-size: 0.9rem;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            color: #FFFFFF;
            text-shadow: 0 2px 8px rgba(0,0,0,0.4);
            margin-bottom: 20px;
        }
        .hero h1 span {
            background: linear-gradient(135deg, #FFD700, #FFA000);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 480px;
        }
        .progress-ring-wrap {
            display: flex;
            gap: 32px;
            align-items: center;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .ring-box {
            text-align: center;
        }
        .ring-circle {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            border: 8px solid #2E5A3E;
            border-top-color: var(--accent-gold);
            animation: ring-spin 3s linear infinite;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        @keyframes ring-spin { to { transform: rotate(360deg); } }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #FFD700, #FFA000);
            color: #0A2E1C;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            transition: var(--transition-base);
            box-shadow: 0 6px 20px rgba(255,215,0,0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255,215,0,0.6);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 1.05rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline:hover {
            background: rgba(255,215,0,0.08);
        }
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
        }
        .hero-visual img {
            max-width: 100%;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.5);
            border: 2px solid rgba(255,215,0,0.2);
        }
        .tier-preview {
            display: flex;
            gap: 12px;
            margin-top: 24px;
        }
        .tier-chip {
            background: rgba(255,215,0,0.08);
            border: 1px solid var(--accent-gold);
            border-radius: 20px;
            padding: 6px 16px;
            font-weight: 600;
            color: var(--accent-gold);
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero h1 { font-size: 2.4rem; }
            .hero p { max-width: 100%; margin: 0 auto 24px; }
            .hero-cta-group { justify-content: center; }
            .progress-ring-wrap { justify-content: center; }
            .tier-preview { justify-content: center; }
            .hero-visual { margin-top: 24px; }
        }
        /* Section headers */
        .section-label {
            display: inline-block;
            background: rgba(255,215,0,0.1);
            color: var(--accent-gold);
            padding: 6px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: #FFFFFF;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 640px;
            margin-bottom: 40px;
        }
        /* Service亮点 */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .highlight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .highlight-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .highlight-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .highlight-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .highlight-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* Time slot cards */
        .time-slot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .time-card {
            background: linear-gradient(135deg, #0D351F, #123E25);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: left;
            transition: var(--transition-base);
        }
        .time-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 28px rgba(0,0,0,0.5);
        }
        .time-badge {
            background: var(--accent-red);
            color: white;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 0.8rem;
            display: inline-block;
            margin-bottom: 12px;
        }
        .time-card h4 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--accent-gold);
        }
        .time-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .time-slot-grid { grid-template-columns: 1fr; }
        }
        /* Promotion block */
        .promo-banner {
            background: linear-gradient(135deg, #8B0000, #4A0007);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            display: flex;
            align-items: center;
            gap: 40px;
            border: 2px solid var(--accent-gold);
            flex-wrap: wrap;
        }
        .promo-text h2 {
            font-size: 2rem;
            font-weight: 900;
            color: #FFD700;
            margin-bottom: 12px;
        }
        .promo-text p {
            color: #FFFDF9;
        }
        .promo-btn {
            background: #FFD700;
            color: #4A0007;
            font-weight: 800;
            padding: 16px 36px;
            border-radius: 32px;
            border: none;
            font-size: 1.1rem;
            cursor: pointer;
            white-space: nowrap;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-card);
            padding: 24px 0;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #FFF;
        }
        .faq-answer {
            color: var(--text-muted);
            padding-top: 12px;
            display: none;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer { display: block; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        /* Footer */
        .footer {
            background: #071F12;
            border-top: 2px solid var(--accent-gold);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            margin-bottom: 8px;
            transition: var(--transition-base);
        }
        .footer-col a:hover { color: var(--accent-gold); }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: white;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.9rem;
            margin-right: 8px;
        }
        /* FAB */
        .fab-support {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #FFA000);
            border: 3px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
        }
        @keyframes float {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255,215,0,0.5);
        }
        .fab-support i {
            font-size: 1.6rem;
            color: #0A2E1C;
        }
        /* Responsive general */
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.9rem; }
            .highlight-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category1 */
:root {
            --deep-jade: #0A2E1C;
            --forest: #123E25;
            --gold: #FFD700;
            --lucky-red: #D32F2F;
            --pale-mint: #D1F2EB;
            --white: #FFFFFF;
            --dark-bg: #061810;
            --border-light: rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-fab: 0 4px 20px rgba(255, 215, 0, 0.3);
            --radius-xl: 1rem;
            --radius-2xl: 1.5rem;
            --transition-base: all 0.3s ease;
        }
        * {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: 'Inter', 'Segoe UI', 'Roboto', sans-serif;
            background-color: var(--deep-jade);
            color: var(--white);
            line-height: 1.6;
            -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-base);
        }
        button, input, select, textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: linear-gradient(180deg, rgba(6, 24, 16, 0.98) 0%, rgba(10, 46, 28, 0.96) 100%);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #FFD700 0%, #FFE44D 60%, #D4AF37 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .nav-links {
            list-style: none;
            display: flex;
            gap: 32px;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--pale-mint);
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
        }
        .nav-links li a.active {
            color: var(--gold);
        }
        .nav-links li a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--gold);
            transition: width 0.3s ease;
        }
        .nav-links li a:hover::after,
        .nav-links li a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            color: var(--gold);
            font-weight: 700;
            font-size: 0.9rem;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px 16px;
            transition: var(--transition-base);
        }
        .btn-login:hover {
            color: #FFE44D;
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--gold) 0%, #FFC107 100%);
            color: var(--deep-jade);
            font-weight: 800;
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE44D 0%, #FFD700 100%);
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--gold);
            font-size: 1.6rem;
            cursor: pointer;
        }
        /* Main Sections */
        .section-padding {
            padding: 64px 0;
        }
        .page-hero {
            background: linear-gradient(135deg, #061810 0%, #0A2E1C 60%, #0E3A22 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--pale-mint);
            max-width: 700px;
            line-height: 1.65;
            margin-bottom: 24px;
        }
        .value-points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }
        .value-point {
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: 999px;
            padding: 8px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--gold);
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--lucky-red) 0%, #B71C1C 100%);
            color: white;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 18px rgba(211, 47, 47, 0.4);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.55);
        }
        .btn-secondary {
            background: transparent;
            border: 2px solid var(--gold);
            color: var(--gold);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        .card-promo {
            background: linear-gradient(145deg, #123E25 0%, #0A2E1C 100%);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-2xl);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-promo:hover {
            border-color: var(--gold);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
            transform: translateY(-3px);
        }
        .promo-tag {
            display: inline-block;
            background: var(--lucky-red);
            color: white;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .promo-percent {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--gold);
            margin: 8px 0;
        }
        .promo-desc {
            color: var(--pale-mint);
            font-size: 0.95rem;
            margin-bottom: 16px;
            flex-grow: 1;
        }
        .promo-code {
            background: rgba(255, 215, 0, 0.12);
            border: 1px dashed var(--gold);
            border-radius: 12px;
            padding: 10px 16px;
            font-family: monospace;
            font-size: 1rem;
            font-weight: 700;
            color: var(--gold);
            text-align: center;
            word-break: break-all;
        }
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(6, 24, 16, 0.96);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            padding: 12px 20px;
            display: flex;
            justify-content: center;
            gap: 14px;
            z-index: 90;
            flex-wrap: wrap;
        }
        .fab {
            position: fixed;
            left: 16px;
            bottom: 100px;
            z-index: 100;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #0A2E1C, #061810);
            border: 2px solid var(--gold);
            box-shadow: var(--shadow-fab);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            animation: floatFab 3s infinite ease-in-out;
            transition: var(--transition-base);
            opacity: 0.75;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.55);
        }
        @keyframes floatFab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab i {
            color: var(--gold);
            font-size: 1.5rem;
        }
        .fab .badge-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--lucky-red);
            border-radius: 50%;
            border: 2px solid var(--deep-jade);
            animation: blink 1.2s infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .footer {
            background: #061810;
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
            font-size: 0.92rem;
            color: var(--pale-mint);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: var(--gold);
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--pale-mint);
            margin-bottom: 8px;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--gold);
        }
        .badge-18 {
            background: var(--lucky-red);
            color: white;
            font-weight: 800;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 6px;
            margin-right: 6px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            font-size: 0.85rem;
        }
        .faq-item {
            background: rgba(255, 215, 0, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-xl);
            padding: 20px 24px;
            margin-bottom: 16px;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--gold);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--gold);
            margin-bottom: 8px;
        }
        .faq-answer {
            color: var(--pale-mint);
            line-height: 1.65;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(6, 24, 16, 0.99);
                flex-direction: column;
                gap: 0;
                border-bottom: 1px solid var(--border-light);
                padding: 12px 0;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 20px;
            }
            .mobile-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-padding {
                padding: 40px 0;
            }
            .hero-content h1 {
                font-size: 1.65rem;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                align-items: center;
                gap: 8px;
                padding: 10px;
            }
            .fab {
                bottom: 140px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B3C25;
            --bg-dark: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-primary: #FFFDF0;
            --text-light: #C5E2D2;
            --border-radius: 16px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* Navigation */
        .site-header {
            background: rgba(6, 35, 21, 0.95);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 204, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo-text i { color: var(--accent-lime); margin-right: 6px; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-light);
            transition: all 0.25s;
        }
        .nav-links a:hover { color: #FFF; background: rgba(255,255,255,0.08); }
        .nav-links a.active {
            background: var(--accent-gold);
            color: #062315;
            font-weight: 700;
        }
        .header-buttons { display: flex; gap: 12px; align-items: center; }
        .btn-login { color: var(--text-light); font-weight: 600; padding: 8px 16px; border-radius: 40px; }
        .btn-login:hover { background: rgba(255,255,255,0.1); }
        .btn-signup {
            background: linear-gradient(135deg, #FFCC00, #FFAA00);
            color: #062315;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 40px;
            box-shadow: 0 4px 12px rgba(255,170,0,0.35);
            transition: all 0.2s;
        }
        .btn-signup:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(255,170,0,0.45); }
        .mobile-toggle { display: none; font-size: 1.8rem; color: #FFF; cursor: pointer; background: none; border: none; }
        /* Article Layout */
        .article-hero {
            background: linear-gradient(135deg, #062315 0%, #0B3C25 50%, #0E4D30 100%);
            padding: 60px 0 50px;
            text-align: left;
            border-bottom: 2px solid rgba(255,204,0,0.15);
        }
        .breadcrumb { font-size: 0.9rem; color: var(--text-light); margin-bottom: 20px; }
        .breadcrumb a { color: var(--accent-gold); }
        .breadcrumb span { margin: 0 6px; }
        .article-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #FFF;
            line-height: 1.2;
            margin-bottom: 24px;
            max-width: 800px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 8px;
        }
        .article-meta i { color: var(--accent-gold); margin-right: 6px; }
        .content-wrapper {
            background: #FAFAFA;
            color: #1A1A1A;
            padding: 50px 0 70px;
        }
        .article-body {
            max-width: 820px;
            margin: 0 auto;
            font-size: 1.1rem;
            line-height: 1.75;
            color: #2C3E2D;
        }
        .article-body h2 { font-size: 1.8rem; color: #0B3C25; margin: 40px 0 18px; font-weight: 700; }
        .article-body h3 { font-size: 1.4rem; color: #1A4A30; margin: 28px 0 14px; font-weight: 700; }
        .article-body p { margin-bottom: 20px; }
        .article-body ul, .article-body ol { margin: 12px 0 20px 24px; }
        .article-body li { margin-bottom: 10px; }
        .article-body strong { color: #0B3C25; }
        .article-body img { border-radius: 16px; margin: 24px 0; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
        .not-found {
            text-align: center;
            padding: 100px 24px;
            background: #FFF;
            border-radius: 24px;
            max-width: 600px;
            margin: 40px auto;
        }
        .not-found i { font-size: 4rem; color: var(--accent-gold); margin-bottom: 16px; }
        /* CTA Download Bar */
        .download-cta {
            background: linear-gradient(135deg, #062315, #0B3C25);
            padding: 50px 0;
            text-align: center;
        }
        .cta-box {
            max-width: 700px;
            margin: 0 auto;
            background: rgba(255,255,255,0.06);
            border-radius: 24px;
            padding: 40px 30px;
            border: 1px solid rgba(255,204,0,0.2);
            backdrop-filter: blur(8px);
        }
        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent-gold);
            color: #062315;
            font-weight: 800;
            padding: 16px 36px;
            border-radius: 60px;
            font-size: 1.15rem;
            margin: 12px;
            transition: all 0.2s;
            box-shadow: 0 6px 18px rgba(255,170,0,0.4);
        }
        .btn-download:hover { transform: scale(1.03); }
        /* Footer */
        .footer {
            background: #051A10;
            padding: 60px 0 30px;
            border-top: 2px solid rgba(255,204,0,0.25);
            color: var(--text-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .footer-col a { display: block; color: var(--text-light); margin-bottom: 8px; }
        .footer-col a:hover { color: #FFF; }
        .badge-18 {
            display: inline-block;
            background: #D32F2F;
            color: #FFF;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
            margin-right: 6px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #7A9A84;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #FFCC00;
            border: 3px solid #B8860B;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #062315;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            cursor: pointer;
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
            transition: all 0.2s;
        }
        .fab:hover { opacity: 1; transform: scale(1.1) rotate(360deg); }
        @keyframes float {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @media (max-width: 768px) {
            .header-buttons .btn-login, .header-buttons .btn-signup { padding: 8px 14px; font-size: 0.85rem; }
            .nav-links { position: fixed; top: 72px; left: 0; right: 0; background: #062315; flex-direction: column; padding: 20px; gap: 16px; display: none; border-bottom: 2px solid var(--accent-gold); }
            .nav-links.open { display: flex; }
            .mobile-toggle { display: block; }
            .footer-grid { grid-template-columns: 1fr; }
            .article-title { font-size: 1.9rem; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #252528;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #A67B3D;
            --text-primary: #F5F5F7;
            --text-secondary: #D5D8DC;
            --text-muted: #A6ACAF;
            --border-subtle: rgba(197, 160, 89, 0.25);
            --border-glow: rgba(197, 160, 89, 0.6);
            --shadow-card: 0 4px 24px rgba(0,0,0,0.5);
            --shadow-gold: 0 4px 18px rgba(197, 160, 89, 0.25);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition-base: all 0.25s ease;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -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-base);
        }

        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition-base);
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0;
            height: 72px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.3px;
            color: var(--accent-gold);
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            border-bottom: 2px solid transparent;
        }

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

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--border-subtle);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            color: #0A0A0B;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 191, 0, 0.45);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            padding: 6px;
        }

        /* Hero Bento */
        .hero-section {
            padding: 50px 0 70px;
            background: radial-gradient(circle at 30% 20%, rgba(197, 160, 89, 0.08) 0%, transparent 55%);
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 24px;
            align-items: start;
        }

        .bento-main {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .bento-main h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #FFFFFF;
        }

        .bento-main h1 span {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .bento-main p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 90%;
        }

        .bento-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .bento-feature-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

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

        .bento-feature-card i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .bento-feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #FFFFFF;
        }

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

        .cta-strip {
            margin-top: 8px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-bronze));
            color: #0A0A0B;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255, 191, 0, 0.5);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-gold);
            padding: 14px 28px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--accent-gold);
        }

        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.08);
        }

        /* Section Titles */
        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 700px;
            line-height: 1.6;
        }

        /* Game Cards Grid */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .game-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-base);
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-glow);
            box-shadow: 0 12px 36px rgba(197, 160, 89, 0.3);
        }

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

        .game-card-body {
            padding: 16px 18px 20px;
        }

        .game-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
        }

        .game-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .badge-hot {
            position: absolute;
            top: 12px;
            right: 12px;
            background: #D32F2F;
            color: #FFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Stats Block */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin: 50px 0;
        }

        .stat-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: left;
            border: 1px solid var(--border-subtle);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Feature List */
        .feature-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .feature-item i {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-top: 3px;
        }

        .feature-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 4px;
        }

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

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

        .faq-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 22px 28px;
            border: 1px solid var(--border-subtle);
            transition: var(--transition-base);
        }

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

        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h3 i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }

        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            padding-left: 30px;
        }

        /* CTA Bottom */
        .cta-bottom {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.12), rgba(18, 18, 18, 1));
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: left;
            border: 1px solid var(--border-subtle);
            margin-top: 50px;
        }

        .cta-bottom h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .cta-bottom p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 650px;
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 28px;
            margin-top: 70px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        .footer-col p, .footer-col a {
            font-size: 0.9rem;
            color: #A3C4B8;
            display: block;
            margin-bottom: 6px;
            line-height: 1.6;
        }

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

        .badge-18 {
            background: #D32F2F;
            color: #FFF;
            padding: 2px 8px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 0.75rem;
            display: inline-block;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            text-align: left;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .games-grid { grid-template-columns: repeat(3, 1fr); }
            .stats-row { grid-template-columns: repeat(2, 1fr); }
            .feature-list-grid { grid-template-columns: 1fr 1fr; }
            .bento-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-menu-btn { display: block; }
            .header-inner { flex-wrap: wrap; }
            .games-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-row { grid-template-columns: 1fr 1fr; }
            .feature-list-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .bento-main h1 { font-size: 1.9rem; }
            .bento-main p { max-width: 100%; }
        }

        @media (max-width: 520px) {
            .games-grid { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: 1fr; }
            .cta-strip { flex-direction: column; align-items: flex-start; }
            .btn-primary, .btn-outline { width: 100%; justify-content: center; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --border-neon: rgba(204, 255, 0, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.4);
            --shadow-neon-lime: 0 0 20px rgba(204, 255, 0, 0.25);
            --radius-card: 16px;
            --radius-btn: 50px;
        }

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

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Nav */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            background-color: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(204, 255, 0, 0.15);
            transition: background-color 0.3s ease;
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s ease, text-shadow 0.2s ease;
            position: relative;
            padding-bottom: 4px;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-lime);
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
            text-shadow: 0 0 8px rgba(204, 255, 0, 0.6);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .btn-login:hover {
            border-color: var(--accent-lime);
            color: var(--accent-lime);
        }

        .btn-signup {
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            border: none;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.9rem;
            color: #0F0C20;
            cursor: pointer;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
            transition: all 0.25s ease;
        }

        .btn-signup:hover {
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.75);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Hero Category */
        .hero-cat {
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            text-align: center;
        }

        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.85) 0%, rgba(11, 26, 48, 0.9) 100%);
        }

        .hero-cat .container {
            position: relative;
            z-index: 1;
        }

        .hero-cat h1 {
            font-size: 3rem;
            font-weight: 800;
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
            margin-bottom: 16px;
            background: linear-gradient(to right, #FFFFFF, #CCFF00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-cat .sub {
            font-size: 1.25rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }

        /* Promo Cards Grid */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            padding: 60px 0;
        }

        .promo-card {
            background-color: rgba(20, 17, 40, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .promo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #CCFF00, #00F0FF);
        }

        .promo-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.25);
            transform: translateY(-4px);
        }

        .promo-badge {
            background: #CCFF00;
            color: #0F0C20;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: 20px;
            display: inline-block;
            width: fit-content;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .promo-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFFFFF;
        }

        .promo-value {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 12px 0;
        }

        .promo-desc {
            color: var(--text-secondary);
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .btn-receive {
            background: transparent;
            border: 2px solid var(--accent-lime);
            color: var(--accent-lime);
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            width: fit-content;
        }

        .btn-receive:hover {
            background: var(--accent-lime);
            color: #0F0C20;
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.5);
        }

        /* Steps */
        .steps-section {
            padding: 70px 0;
            background-color: rgba(11, 26, 48, 0.4);
        }

        .steps-flex {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 28px;
            margin-top: 40px;
        }

        .step-item {
            flex: 1 1 220px;
            background-color: rgba(255, 255, 255, 0.03);
            border-left: 4px solid var(--accent-cyan);
            padding: 24px;
            border-radius: 0 12px 12px 0;
        }

        .step-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            opacity: 0.8;
        }

        .step-item h4 {
            margin: 8px 0;
            font-weight: 700;
        }

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

        /* FAQ */
        .faq-section {
            padding: 70px 0;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.15rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #FFFFFF;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
        }

        .faq-icon {
            color: var(--accent-lime);
            transition: transform 0.3s;
        }

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

        /* CTA Bottom */
        .cta-bottom {
            background: linear-gradient(135deg, #0B1A30, #0F0C20);
            padding: 60px 0;
            text-align: center;
            border-top: 1px solid rgba(0, 240, 255, 0.2);
        }

        .btn-cta-large {
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            border: none;
            padding: 16px 48px;
            border-radius: var(--radius-btn);
            font-weight: 800;
            font-size: 1.1rem;
            color: #0F0C20;
            cursor: pointer;
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.6);
            transition: all 0.3s ease;
            margin-top: 24px;
        }

        .btn-cta-large:hover {
            box-shadow: 0 0 35px rgba(204, 255, 0, 0.8);
            transform: scale(1.03);
        }

        /* Footer */
        .footer {
            background-color: #080617;
            border-top: 1px solid rgba(204, 255, 0, 0.2);
            padding: 48px 0 24px;
            color: #A3C4B8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #CCFF00;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: #A3C4B8;
            margin-bottom: 8px;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: #00F0FF;
        }

        .badge-18 {
            background: #D32F2F;
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.8rem;
        }

        .footer-bottom {
            text-align: center;
            font-size: 0.85rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #00F0FF;
            font-size: 1.8rem;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
            transition: all 0.3s;
            position: relative;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            z-index: -1;
            opacity: 0.7;
            animation: rotateBorder 3s linear infinite;
        }

        @keyframes rotateBorder {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.9);
            color: #CCFF00;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
            }
            .hero-cat h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(15, 12, 32, 0.98);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                border-bottom: 2px solid var(--accent-lime);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-cat h1 {
                font-size: 2rem;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .fab {
                bottom: 80px;
                left: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-cat {
                padding: 120px 0 50px;
            }
            .hero-cat h1 {
                font-size: 1.7rem;
            }
            .btn-signup, .btn-login {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .promo-value {
                font-size: 1.8rem;
            }
        }