/* roulang page: index */
:root {
            --primary-bg: #0B1A30;
            --secondary-bg: #0F0C20;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --text-white: #FFFFFF;
            --text-gray: #A6ACAF;
            --card-bg: rgba(15, 12, 32, 0.8);
            --border-neon: rgba(0, 240, 255, 0.3);
            --shadow-cyan: 0 0 20px rgba(0, 240, 255, 0.3);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.2);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3rem;
            --spacing-xl: 4rem;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            transition: all 0.3s ease;
        }
        
        .container-custom {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        
        /* Header & Navigation */
        .header-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(11, 26, 48, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-neon);
            z-index: 1000;
            box-shadow: var(--shadow-cyan);
        }
        
        .navbar-custom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem var(--spacing-sm);
        }
        
        .logo-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
            letter-spacing: -0.5px;
        }
        
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
            align-items: center;
        }
        
        .nav-links a {
            color: var(--text-white);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            position: relative;
        }
        
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan);
        }
        
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
        }
        
        .nav-actions {
            display: flex;
            gap: 1rem;
            align-items: center;
        }
        
        .btn-login {
            color: var(--text-white);
            font-weight: 500;
            padding: 0.5rem 1rem;
        }
        
        .btn-login:hover {
            color: var(--accent-cyan);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            font-weight: 700;
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-cyan);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
        }
        
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }
        
        .mobile-toggle span {
            width: 25px;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 2px;
            transition: all 0.3s;
        }
        
        /* Hero Section */
        .hero-section {
            margin-top: 70px;
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 48, 0.9) 0%, rgba(15, 12, 32, 0.85) 100%);
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
        }
        
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        
        .hero-left h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-left p {
            font-size: 1.15rem;
            color: var(--text-gray);
            margin-bottom: var(--spacing-md);
            line-height: 1.7;
        }
        
        .hero-stats {
            display: flex;
            gap: 2rem;
            margin-bottom: var(--spacing-md);
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-lime);
            display: block;
            text-shadow: var(--shadow-lime);
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-gray);
        }
        
        .hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            font-weight: 700;
            padding: 1rem 2.5rem;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            box-shadow: var(--shadow-cyan);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--accent-cyan);
            border: 2px solid var(--accent-cyan);
            font-weight: 600;
            padding: 1rem 2.5rem;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
        }
        
        .btn-secondary:hover {
            background: var(--accent-cyan);
            color: var(--primary-bg);
        }
        
        .hero-right {
            position: relative;
        }
        
        .progress-ring-container {
            background: rgba(15, 12, 32, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-cyan);
        }
        
        .progress-ring {
            width: 280px;
            height: 280px;
            margin: 0 auto;
            position: relative;
        }
        
        .progress-circle {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            border: 15px solid rgba(0, 240, 255, 0.2);
            position: relative;
        }
        
        .progress-circle::before {
            content: '';
            position: absolute;
            inset: -15px;
            border-radius: 50%;
            border: 15px solid transparent;
            border-top-color: var(--accent-cyan);
            border-right-color: var(--accent-cyan);
            transform: rotate(180deg);
            animation: pulse-ring 2s ease-in-out infinite;
        }
        
        .progress-inner {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }
        
        .progress-percentage {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-lime);
            display: block;
        }
        
        .progress-label {
            font-size: 0.95rem;
            color: var(--text-gray);
            margin-top: 0.5rem;
        }
        
        .tier-preview {
            margin-top: var(--spacing-md);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
        }
        
        .tier-card {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-sm);
            padding: 1rem;
            text-align: center;
            transition: all 0.3s;
        }
        
        .tier-card:hover {
            background: rgba(0, 240, 255, 0.2);
            transform: translateY(-3px);
        }
        
        .tier-label {
            font-size: 0.85rem;
            color: var(--text-gray);
            display: block;
        }
        
        .tier-value {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-top: 0.3rem;
        }
        
        @keyframes pulse-ring {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }
        
        /* Game Showcase Section */
        .showcase-section {
            padding: var(--spacing-xl) 0;
            background: rgba(15, 12, 32, 0.5);
        }
        
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        
        .section-tag {
            display: inline-block;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(204, 255, 0, 0.2));
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-white);
        }
        
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-gray);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        .games-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        
        .game-card {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
            position: relative;
        }
        
        .game-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.4);
            border-color: var(--accent-cyan);
        }
        
        .game-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            position: relative;
        }
        
        .game-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: linear-gradient(135deg, #FF0080, #FF4500);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            box-shadow: 0 4px 15px rgba(255, 0, 128, 0.5);
        }
        
        .game-info {
            padding: 1.5rem;
        }
        
        .game-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-white);
        }
        
        .game-specs {
            display: flex;
            gap: 1rem;
            margin: 1rem 0;
            flex-wrap: wrap;
        }
        
        .spec-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--text-gray);
        }
        
        .spec-item i {
            color: var(--accent-lime);
        }
        
        .game-desc {
            font-size: 0.95rem;
            color: var(--text-gray);
            line-height: 1.5;
            margin-bottom: 1rem;
        }
        
        .btn-game {
            width: 100%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            font-weight: 700;
            padding: 0.8rem;
            border-radius: var(--radius-sm);
            text-align: center;
            display: block;
        }
        
        .btn-game:hover {
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
        }
        
        /* Steps Section */
        .steps-section {
            padding: var(--spacing-xl) 0;
        }
        
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .step-card {
            background: rgba(15, 12, 32, 0.6);
            border: 2px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            position: relative;
            transition: all 0.3s;
        }
        
        .step-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-5px);
            box-shadow: var(--shadow-cyan);
        }
        
        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 800;
            margin: 0 auto 1.5rem;
            box-shadow: var(--shadow-cyan);
        }
        
        .step-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-white);
        }
        
        .step-desc {
            font-size: 1rem;
            color: var(--text-gray);
            line-height: 1.6;
        }
        
        /* Reviews Section */
        .reviews-section {
            padding: var(--spacing-xl) 0;
            background: rgba(15, 12, 32, 0.5);
        }
        
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all 0.3s;
        }
        
        .review-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
        }
        
        .review-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        
        .reviewer-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary-bg);
        }
        
        .reviewer-info {
            flex: 1;
        }
        
        .reviewer-name {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
        }
        
        .review-rating {
            color: #FFD700;
            font-size: 0.9rem;
        }
        
        .review-text {
            font-size: 0.95rem;
            color: var(--text-gray);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        
        .review-device {
            font-size: 0.85rem;
            color: var(--accent-lime);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        /* News Section */
        .news-section {
            padding: var(--spacing-xl) 0;
        }
        
        .news-container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .news-main {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        
        .news-item {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 1.5rem;
            transition: all 0.3s;
        }
        
        .news-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
        }
        
        .news-date {
            text-align: center;
            min-width: 70px;
        }
        
        .news-day {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            display: block;
            line-height: 1;
        }
        
        .news-month {
            font-size: 0.85rem;
            color: var(--text-gray);
            text-transform: uppercase;
        }
        
        .news-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-white);
        }
        
        .news-content h3 a:hover {
            color: var(--accent-cyan);
        }
        
        .news-excerpt {
            font-size: 0.95rem;
            color: var(--text-gray);
            line-height: 1.6;
            margin-bottom: 0.8rem;
        }
        
        .news-meta {
            display: flex;
            gap: 1.5rem;
            font-size: 0.85rem;
            color: var(--text-gray);
        }
        
        .news-meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        
        .news-sidebar {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            height: fit-content;
        }
        
        .sidebar-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .sidebar-list {
            list-style: none;
        }
        
        .sidebar-list li {
            padding: 1rem 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }
        
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        
        .sidebar-list a {
            color: var(--text-gray);
            font-size: 0.95rem;
            display: flex;
            align-items: start;
            gap: 0.5rem;
            line-height: 1.5;
        }
        
        .sidebar-list a:hover {
            color: var(--accent-cyan);
        }
        
        .sidebar-list i {
            color: var(--accent-lime);
            margin-top: 0.2rem;
        }
        
        /* Download Section */
        .download-section {
            padding: var(--spacing-xl) 0;
            background: rgba(15, 12, 32, 0.5);
        }
        
        .download-content {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(204, 255, 0, 0.1));
            border: 2px solid var(--accent-cyan);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
        }
        
        .download-icon {
            font-size: 4rem;
            color: var(--accent-lime);
            margin-bottom: 1.5rem;
            display: block;
            text-shadow: var(--shadow-lime);
        }
        
        .download-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-white);
        }
        
        .download-desc {
            font-size: 1.1rem;
            color: var(--text-gray);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        
        .download-platforms {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        
        .platform-btn {
            background: var(--card-bg);
            border: 2px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: 1rem 2rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: all 0.3s;
            min-width: 200px;
        }
        
        .platform-btn:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: var(--shadow-cyan);
        }
        
        .platform-icon {
            font-size: 2.5rem;
            color: var(--accent-cyan);
        }
        
        .platform-info {
            text-align: left;
        }
        
        .platform-label {
            font-size: 0.8rem;
            color: var(--text-gray);
            display: block;
        }
        
        .platform-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
        }
        
        /* FAQ Section */
        .faq-section {
            padding: var(--spacing-xl) 0;
        }
        
        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all 0.3s;
        }
        
        .faq-item:hover {
            border-color: var(--accent-cyan);
        }
        
        .faq-question {
            padding: 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
        }
        
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        
        .faq-icon {
            color: var(--accent-lime);
            transition: transform 0.3s;
        }
        
        .faq-answer {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-gray);
            font-size: 1rem;
            line-height: 1.7;
        }
        
        /* Footer */
        .footer-main {
            background: rgba(11, 26, 48, 0.9);
            border-top: 2px solid var(--border-neon);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        
        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }
        
        .footer-brand p {
            color: var(--text-gray);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        
        .footer-badges {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        
        .badge-item {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.8rem;
            font-size: 0.75rem;
            color: var(--accent-lime);
        }
        
        .footer-column h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .footer-links a {
            color: var(--text-gray);
            font-size: 0.95rem;
        }
        
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding-top: var(--spacing-md);
            text-align: center;
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        
        /* FAB */
        .fab-button {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary-bg);
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
            cursor: pointer;
            z-index: 999;
            transition: all 0.3s;
            animation: float 3s ease-in-out infinite;
        }
        
        .fab-button:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: 0 6px 30px rgba(0, 240, 255, 0.6);
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            
            .games-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }
            
            .steps-grid {
                grid-template-columns: 1fr;
            }
            
            .news-container {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                right: 0;
                bottom: 0;
                background: rgba(11, 26, 48, 0.98);
                flex-direction: column;
                padding: var(--spacing-md);
                transition: left 0.3s;
                backdrop-filter: blur(10px);
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .mobile-toggle {
                display: flex;
            }
            
            .nav-actions {
                flex-direction: column;
                width: 100%;
                padding: 1rem 0;
            }
            
            .btn-login, .btn-signup {
                width: 100%;
                text-align: center;
            }
            
            .hero-left h1 {
                font-size: 2.2rem;
            }
            
            .hero-stats {
                justify-content: space-around;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .tier-preview {
                grid-template-columns: 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
            }
            
            .fab-button {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
                left: 1rem;
                bottom: 5rem;
            }
        }
        
        @media (max-width: 576px) {
            .hero-left h1 {
                font-size: 1.8rem;
            }
            
            .hero-cta {
                flex-direction: column;
            }
            
            .btn-primary, .btn-secondary {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            
            .download-platforms {
                flex-direction: column;
            }
            
            .platform-btn {
                width: 100%;
            }
        }

/* roulang page: article */
:root {
            --bg-deep: #0F0C20;
            --bg-ocean: #0B1A30;
            --bg-panel: #141a33;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-main: #FFFFFF;
            --text-soft: #A6ACAF;
            --border-soft: rgba(0, 240, 255, 0.18);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.25);
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
        }

        * { box-sizing: border-box; }

        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            background: var(--bg-deep);
            background-image:
                radial-gradient(circle at 15% 0%, rgba(0, 240, 255, 0.07), transparent 45%),
                radial-gradient(circle at 90% 30%, rgba(204, 255, 0, 0.05), transparent 40%);
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

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

        a { color: var(--accent-cyan); text-decoration: none; transition: color .2s ease; }
        a:hover { color: var(--accent-lime); }

        .container-custom {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header / Nav ===== */
        .header-main {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo-brand {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--text-main);
            text-transform: uppercase;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-soft);
            font-weight: 600;
            font-size: .95rem;
            border-radius: var(--radius-sm);
            transition: all .2s ease;
        }

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

        .nav-links li a.active {
            color: var(--accent-lime);
            background: rgba(204, 255, 0, 0.1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 14px;
        }

        .btn-login {
            color: var(--text-main);
            font-weight: 600;
            font-size: .92rem;
            padding: 8px 12px;
        }
        .btn-login:hover { color: var(--accent-cyan); }

        .btn-signup {
            background: linear-gradient(90deg, var(--accent-lime), #9be000);
            color: #0F0C20 !important;
            font-weight: 800;
            font-size: .92rem;
            padding: 9px 18px;
            border-radius: 999px;
            box-shadow: 0 0 14px rgba(204, 255, 0, 0.35);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 22px rgba(204, 255, 0, 0.55);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-toggle span {
            width: 24px; height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            transition: all .25s ease;
        }

        /* ===== Article Hero / Breadcrumb ===== */
        .article-hero {
            padding: 120px 0 36px;
            background:
                linear-gradient(180deg, rgba(15,12,32,0.55) 0%, rgba(15,12,32,0.92) 85%),
                url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            border-bottom: 1px solid var(--border-soft);
        }

        .breadcrumb-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: .88rem;
            color: var(--text-soft);
            margin-bottom: 18px;
        }
        .breadcrumb-line i { font-size: .7rem; color: var(--accent-cyan); }

        .article-hero h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.35;
            margin: 0 0 16px;
            max-width: 860px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: .9rem;
            color: var(--text-soft);
        }
        .article-meta span { display: inline-flex; align-items: center; gap: 7px; }
        .article-meta i { color: var(--accent-lime); }

        .meta-tag {
            padding: 3px 12px;
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            background: rgba(0, 240, 255, 0.06);
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* ===== Layout ===== */
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 40px;
            padding: 48px 0 64px;
            align-items: start;
        }

        /* ===== Article body ===== */
        .article-body {
            font-size: 1.02rem;
            color: #dde3ea;
        }
        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-main);
            margin: 2.2em 0 .8em;
            padding-left: 14px;
            border-left: 4px solid var(--accent-lime);
        }
        .article-body h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin: 1.8em 0 .7em;
        }
        .article-body p { margin: 0 0 1.15em; }
        .article-body ul, .article-body ol { padding-left: 1.4em; margin: 0 0 1.15em; }
        .article-body li { margin-bottom: .45em; }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.2em 0;
            box-shadow: var(--shadow-card);
        }
        .article-body a { text-decoration: underline; text-underline-offset: 3px; }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2em 0;
            font-size: .95rem;
        }
        .article-body table th, .article-body table td {
            border: 1px solid var(--border-soft);
            padding: 10px 12px;
            text-align: left;
        }
        .article-body table th {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
        }
        .article-body blockquote {
            margin: 1.2em 0;
            padding: 14px 18px;
            border-left: 3px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-soft);
        }

        /* ===== Not found ===== */
        .not-found-box {
            text-align: left;
            padding: 48px 36px;
            border: 1px dashed var(--border-soft);
            border-radius: var(--radius-lg);
            background: rgba(20, 26, 51, 0.6);
        }
        .not-found-box i {
            font-size: 2.4rem;
            color: var(--accent-cyan);
            margin-bottom: 14px;
            display: block;
        }
        .not-found-box h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 10px; }
        .not-found-box p { color: var(--text-soft); margin-bottom: 22px; }

        /* ===== In-article CTA ===== */
        .cta-inline {
            margin: 44px 0 0;
            padding: 30px 32px;
            border-radius: var(--radius-lg);
            background: linear-gradient(120deg, rgba(0, 240, 255, 0.1), rgba(204, 255, 0, 0.08));
            border: 1px solid var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-inline h3 { font-size: 1.25rem; font-weight: 800; margin: 0 0 6px; }
        .cta-inline p { color: var(--text-soft); margin: 0; font-size: .95rem; }

        .btn-cta-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            color: #0F0C20;
            font-weight: 800;
            font-size: 1rem;
            padding: 13px 30px;
            border-radius: 999px;
            white-space: nowrap;
            box-shadow: var(--shadow-neon);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .btn-cta-main:hover {
            color: #0F0C20;
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.5);
        }

        .btn-outline-neon {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 700;
            padding: 11px 26px;
            border-radius: 999px;
            transition: all .2s ease;
        }
        .btn-outline-neon:hover {
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }

        /* ===== Sidebar ===== */
        .sidebar-sticky { position: sticky; top: 90px; display: grid; gap: 26px; }

        .side-block {
            background: var(--bg-panel);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .side-block-body { padding: 22px; }
        .side-block h4 {
            font-size: 1.02rem;
            font-weight: 800;
            margin: 0 0 14px;
            display: flex;
            align-items: center;
            gap: 9px;
        }
        .side-block h4 i { color: var(--accent-lime); }

        .side-cover { position: relative; }
        .side-cover img { width: 100%; object-fit: cover; }

        .side-list { list-style: none; margin: 0; padding: 0; }
        .side-list li {
            padding: 11px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .side-list li:last-child { border-bottom: none; padding-bottom: 0; }
        .side-list li a {
            color: #d5dbe2;
            font-size: .93rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .side-list li a:hover { color: var(--accent-cyan); }
        .side-list li a i { color: var(--accent-cyan); font-size: .75rem; }

        .stat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .stat-cell {
            padding: 14px 12px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.05);
            border: 1px solid var(--border-soft);
        }
        .stat-cell strong {
            display: block;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-lime);
        }
        .stat-cell span { font-size: .78rem; color: var(--text-soft); }

        .pay-badges { display: flex; flex-wrap: wrap; gap: 8px; }
        .pay-badges span {
            font-size: .8rem;
            font-weight: 700;
            padding: 6px 12px;
            border-radius: 999px;
            border: 1px solid var(--border-soft);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }
        .pay-badges span i { margin-right: 5px; }

        /* ===== Bottom CTA band ===== */
        .cta-band {
            padding: 56px 0;
            text-align: center;
            background:
                linear-gradient(180deg, rgba(11, 26, 48, 0.9), rgba(15, 12, 32, 0.95)),
                url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            border-top: 1px solid var(--border-soft);
        }
        .cta-band h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: 12px; }
        .cta-band p {
            color: var(--text-soft);
            max-width: 640px;
            margin: 0 auto 26px;
        }
        .cta-band-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .footer-main {
            background: #0a0817;
            border-top: 1px solid var(--border-soft);
            padding: 52px 0 0;
            color: var(--text-soft);
            font-size: .92rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
        }
        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-brand p { line-height: 1.65; margin-bottom: 16px; }
        .footer-badges { display: flex; flex-wrap: wrap; gap: 8px; }
        .badge-item {
            font-size: .78rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 999px;
            border: 1px solid var(--border-soft);
            color: var(--accent-cyan);
        }
        .badge-item i { margin-right: 5px; }
        .footer-column h4 {
            font-size: .95rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-links { list-style: none; margin: 0; padding: 0; }
        .footer-links li { margin-bottom: 9px; }
        .footer-links li a { color: var(--text-soft); }
        .footer-links li a:hover { color: var(--accent-cyan); }
        .footer-links li a i { margin-right: 6px; color: var(--accent-cyan); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.07);
            padding: 20px 0;
            font-size: .82rem;
        }
        .footer-bottom p { margin: 0; }

        /* ===== FAB ===== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-width: 48px;
            min-height: 48px;
            padding: 12px 18px;
            border-radius: 999px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            border: 1px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
                              linear-gradient(90deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: .9rem;
            opacity: .65;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: all .25s ease;
        }
        .fab-support i { font-size: 1.15rem; }
        .fab-support:hover {
            opacity: 1;
            color: var(--accent-lime);
            box-shadow: 0 0 26px rgba(0, 240, 255, 0.75);
        }
        .fab-support:active { transform: scale(.95); }
        .fab-dot {
            position: absolute;
            top: -3px; right: -3px;
            width: 11px; height: 11px;
            border-radius: 50%;
            background: #ff2d78;
            animation: fabBlink 1.4s infinite;
        }
        @keyframes fabBlink { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 36px; }
            .sidebar-sticky { position: static; grid-template-columns: 1fr 1fr; display: grid; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .article-hero h1 { font-size: 1.5rem; }
            .article-hero { padding-top: 104px; }
            .mobile-toggle { display: flex; }
            .nav-links {
                position: fixed;
                top: 68px; left: 0; right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(15, 12, 32, 0.98);
                border-bottom: 1px solid var(--border-soft);
                padding: 14px 20px 20px;
                gap: 4px;
                display: none;
            }
            .nav-links.open { display: flex; }
            .nav-links li a { display: block; padding: 12px 14px; }
            .nav-actions {
                margin: 10px 0 0;
                justify-content: flex-start;
            }
            .sidebar-sticky { grid-template-columns: 1fr; }
            .cta-inline { padding: 24px 20px; }
        }

        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.3rem; }
            .article-body { font-size: .97rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 26px; }
            .cta-band h2 { font-size: 1.35rem; }
            .stat-grid { grid-template-columns: 1fr 1fr; }
            .btn-cta-main, .btn-outline-neon { width: 100%; justify-content: center; }
            .cta-band-actions { flex-direction: column; }
        }

/* roulang page: category1 */
/* ============ Design tokens ============ */
        :root {
            --bg-deep: #0F0C20;
            --bg-ocean: #0B1A30;
            --bg-panel: #141130;
            --bg-panel-2: #10203a;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-gray: #A6ACAF;
            --border-soft: rgba(0, 240, 255, 0.18);
            --border-strong: rgba(0, 240, 255, 0.45);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.25);
            --shadow-lime: 0 0 18px rgba(204, 255, 0, 0.25);
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
            --font-body: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        * { box-sizing: border-box; }

        body {
            margin: 0;
            font-family: var(--font-body);
            background: linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-ocean) 55%, #081426 100%);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; display: block; }
        a { color: var(--accent-cyan); text-decoration: none; transition: color .2s ease; }
        a:hover { color: var(--accent-lime); }
        button { font-family: inherit; }

        .container-custom {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ============ Header / Nav ============ */
        .header-main {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-soft);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

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

        .logo-brand {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-white);
            white-space: nowrap;
            text-shadow: 0 0 14px rgba(0, 240, 255, 0.55);
        }
        .logo-brand:hover { color: var(--accent-cyan); }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-gray);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all .2s ease;
        }
        .nav-links li a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }
        .nav-links li a.active {
            color: var(--accent-lime);
            background: rgba(204, 255, 0, 0.1);
            box-shadow: inset 0 0 0 1px rgba(204, 255, 0, 0.35);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 12px;
        }

        .btn-login {
            color: var(--text-white) !important;
            font-weight: 600;
            padding: 8px 12px;
        }
        .btn-login:hover { color: var(--accent-cyan) !important; }

        .btn-signup {
            background: linear-gradient(120deg, var(--accent-lime), #9ef01a);
            color: #0F0C20 !important;
            font-weight: 800;
            padding: 9px 18px;
            border-radius: 999px;
            box-shadow: var(--shadow-lime);
            transition: transform .2s ease, box-shadow .2s ease;
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 26px rgba(204, 255, 0, 0.45);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
        }
        .mobile-toggle span {
            width: 24px; height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            transition: all .25s ease;
        }

        /* ============ Hero ============ */
        .cat-hero {
            position: relative;
            margin-top: 68px;
            padding: 90px 0 70px;
            background:
                linear-gradient(100deg, rgba(11, 26, 48, 0.94) 30%, rgba(15, 12, 32, 0.72) 100%),
                url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            border-bottom: 1px solid var(--border-soft);
            overflow: hidden;
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 85% 20%, rgba(0, 240, 255, 0.12), transparent 55%);
            pointer-events: none;
        }
        .cat-hero .container-custom { position: relative; z-index: 2; }

        .hero-breadcrumb {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-bottom: 18px;
        }
        .hero-breadcrumb a { color: var(--text-gray); }
        .hero-breadcrumb a:hover { color: var(--accent-cyan); }
        .hero-breadcrumb .current { color: var(--accent-lime); }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid var(--border-strong);
            color: var(--accent-cyan);
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 18px;
            background: rgba(0, 240, 255, 0.06);
        }

        .cat-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
        }
        .cat-hero h1 .hl {
            color: var(--accent-lime);
            text-shadow: 0 0 22px rgba(204, 255, 0, 0.4);
        }

        .hero-sub {
            font-size: 1.06rem;
            color: #c9d3dc;
            max-width: 560px;
            margin-bottom: 28px;
        }

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

        .btn-neon-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(120deg, var(--accent-lime), #9ef01a);
            color: #0F0C20;
            font-weight: 800;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 999px;
            border: none;
            box-shadow: var(--shadow-lime);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .btn-neon-primary:hover {
            transform: translateY(-2px);
            color: #0F0C20;
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.5);
        }

        .btn-neon-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 26px;
            border-radius: 999px;
            border: 1px solid var(--border-strong);
            transition: all .2s ease;
        }
        .btn-neon-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        /* Hero device picker panel */
        .device-panel {
            background: rgba(16, 32, 58, 0.85);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(8px);
        }
        .device-panel h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-white);
        }
        .device-panel .panel-note {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-bottom: 18px;
        }
        .device-option {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 13px 16px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(15, 12, 32, 0.5);
            margin-bottom: 10px;
            transition: all .2s ease;
            cursor: pointer;
        }
        .device-option:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-neon);
            transform: translateX(4px);
        }
        .device-option .d-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .device-option i {
            color: var(--accent-cyan);
            font-size: 1.15rem;
            width: 26px;
            text-align: center;
        }
        .device-option .d-name { font-weight: 700; font-size: 0.93rem; color: var(--text-white); }
        .device-option .d-desc { font-size: 0.78rem; color: var(--text-gray); }
        .device-option .d-size {
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--accent-lime);
            white-space: nowrap;
        }

        /* ============ Stats strip ============ */
        .stats-strip {
            padding: 34px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .stat-item {
            display: flex;
            align-items: baseline;
            gap: 10px;
            padding: 6px 0;
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            text-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
            white-space: nowrap;
        }
        .stat-item .lbl {
            font-size: 0.88rem;
            color: var(--text-gray);
            line-height: 1.4;
        }

        /* ============ Section base ============ */
        .section-block { padding: 72px 0; }
        .section-block.alt { background: rgba(11, 26, 48, 0.5); border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }

        .section-head { margin-bottom: 40px; max-width: 640px; }
        .section-head .kicker {
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent-lime);
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 12px;
        }
        .section-head p { color: var(--text-gray); font-size: 0.98rem; margin: 0; }

        /* ============ Game grid ============ */
        .game-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }
        .game-card:hover {
            transform: translateY(-6px) scale(1.02);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-neon), var(--shadow-card);
        }
        .game-card .thumb { position: relative; }
        .game-card .thumb img { width: 100%; height: 175px; object-fit: cover; }
        .game-card .thumb::after {
            content: "";
            position: absolute; inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(15, 12, 32, 0.9));
        }
        .game-card .size-badge {
            position: absolute;
            top: 12px; left: 12px;
            z-index: 2;
            background: rgba(15, 12, 32, 0.85);
            border: 1px solid var(--accent-lime);
            color: var(--accent-lime);
            font-size: 0.75rem;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 999px;
        }
        .game-card .hot-badge {
            position: absolute;
            top: 12px; right: 12px;
            z-index: 2;
            background: linear-gradient(120deg, #ff4d6d, #ff007f);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }
        .game-card .body { padding: 18px 18px 20px; }
        .game-card h3 { font-size: 1.08rem; font-weight: 800; margin: 0 0 8px; color: var(--text-white); }
        .game-card .desc { font-size: 0.87rem; color: var(--text-gray); margin-bottom: 14px; }
        .game-card .meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.8rem;
        }
        .game-card .meta-row .fps { color: var(--accent-cyan); font-weight: 700; }
        .game-card .play-link {
            font-weight: 800;
            color: var(--accent-lime);
            font-size: 0.85rem;
        }
        .game-card .play-link i { margin-left: 4px; transition: transform .2s ease; }
        .game-card .play-link:hover i { transform: translateX(4px); }

        /* ============ Why / feature split ============ */
        .feature-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
        }
        .feature-img-wrap img { width: 100%; height: 100%; object-fit: cover; min-height: 380px; }
        .feature-img-wrap .float-chip {
            position: absolute;
            bottom: 18px; left: 18px; right: 18px;
            background: rgba(15, 12, 32, 0.88);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            display: flex;
            align-items: center;
            gap: 14px;
            backdrop-filter: blur(6px);
        }
        .feature-img-wrap .float-chip i { color: var(--accent-lime); font-size: 1.4rem; }
        .feature-img-wrap .float-chip strong { display: block; font-size: 0.95rem; }
        .feature-img-wrap .float-chip span { font-size: 0.8rem; color: var(--text-gray); }

        .feature-list { list-style: none; margin: 0; padding: 0; }
        .feature-list li {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }
        .feature-list li:last-child { border-bottom: none; }
        .feature-list .f-icon {
            flex: 0 0 46px;
            width: 46px; height: 46px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-soft);
            color: var(--accent-cyan);
            font-size: 1.1rem;
        }
        .feature-list h4 { font-size: 1.02rem; font-weight: 800; margin: 0 0 5px; }
        .feature-list p { font-size: 0.89rem; color: var(--text-gray); margin: 0; }

        /* ============ Scenarios ============ */
        .scenario-row {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 22px 24px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.07);
            background: rgba(16, 32, 58, 0.45);
            margin-bottom: 16px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .scenario-row:hover { border-color: var(--border-strong); box-shadow: var(--shadow-neon); }
        .scenario-row .s-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-lime);
            line-height: 1;
            min-width: 44px;
            text-shadow: 0 0 14px rgba(204, 255, 0, 0.35);
        }
        .scenario-row h4 { font-size: 1.05rem; font-weight: 800; margin: 0 0 6px; }
        .scenario-row p { font-size: 0.9rem; color: var(--text-gray); margin: 0; }

        /* ============ Steps ============ */
        .step-card {
            position: relative;
            padding: 28px 24px;
            border-radius: var(--radius-lg);
            background: var(--bg-panel-2);
            border: 1px solid rgba(255, 255, 255, 0.07);
            height: 100%;
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-neon); }
        .step-card .step-no {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px; height: 42px;
            border-radius: 50%;
            background: linear-gradient(120deg, var(--accent-cyan), #0090ff);
            color: #06121f;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 16px;
            box-shadow: var(--shadow-neon);
        }
        .step-card h4 { font-size: 1.05rem; font-weight: 800; margin-bottom: 8px; }
        .step-card p { font-size: 0.88rem; color: var(--text-gray); margin: 0; }
        .step-card .pay-tags { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
        .pay-tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-cyan);
            border: 1px solid var(--border-soft);
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(0, 240, 255, 0.05);
        }

        /* ============ FAQ (Bootstrap accordion re-skin) ============ */
        .faq-wrap .accordion-item {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-wrap .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.98rem;
            padding: 18px 20px;
            box-shadow: none;
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--accent-lime);
            background: rgba(204, 255, 0, 0.05);
        }
        .faq-wrap .accordion-button::after {
            filter: invert(1) sepia(1) saturate(5) hue-rotate(140deg);
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.35);
        }
        .faq-wrap .accordion-body {
            color: var(--text-gray);
            font-size: 0.92rem;
            padding: 4px 20px 20px;
        }

        /* ============ Final CTA ============ */
        .final-cta {
            position: relative;
            padding: 80px 0;
            text-align: center;
            background:
                linear-gradient(rgba(15, 12, 32, 0.88), rgba(11, 26, 48, 0.92)),
                url('/assets/images/coverpic/cover-8.jpg') center/cover no-repeat;
            border-top: 1px solid var(--border-soft);
        }
        .final-cta h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .final-cta h2 .hl { color: var(--accent-lime); }
        .final-cta p {
            color: #c9d3dc;
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1rem;
        }
        .cta-trust {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-top: 26px;
            font-size: 0.84rem;
            color: var(--text-gray);
        }
        .cta-trust span i { color: var(--accent-cyan); margin-right: 6px; }

        /* ============ Footer ============ */
        .footer-main {
            background: #0A0818;
            border-top: 1px solid var(--border-soft);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 12px;
            text-shadow: 0 0 14px rgba(0, 240, 255, 0.5);
        }
        .footer-brand p { font-size: 0.88rem; color: var(--text-gray); margin-bottom: 16px; }
        .footer-badges { display: flex; flex-wrap: wrap; gap: 10px; }
        .badge-item {
            font-size: 0.76rem;
            font-weight: 700;
            color: var(--accent-cyan);
            border: 1px solid var(--border-soft);
            padding: 5px 12px;
            border-radius: 999px;
            background: rgba(0, 240, 255, 0.05);
        }
        .badge-item i { margin-right: 5px; }
        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-white);
            letter-spacing: 0.5px;
        }
        .footer-links { list-style: none; margin: 0; padding: 0; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { color: var(--text-gray); font-size: 0.88rem; }
        .footer-links a:hover { color: var(--accent-lime); }
        .footer-links a i { margin-right: 6px; color: var(--accent-cyan); }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p { font-size: 0.8rem; color: #6b7280; margin: 0; }

        /* ============ FAB ============ */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 48px;
            min-height: 48px;
            padding: 12px 18px;
            border-radius: 999px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5), inset 0 0 0 1px rgba(0, 240, 255, 0.55);
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 0.88rem;
            opacity: 0.7;
            transition: all .25s ease;
            animation: fabPulse 3s ease-in-out infinite;
        }
        .fab-support i { font-size: 1.2rem; color: var(--accent-lime); }
        .fab-support:hover {
            opacity: 1;
            color: var(--accent-cyan);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.75), inset 0 0 0 1px var(--accent-lime);
            transform: scale(1.05);
        }
        .fab-support:active { transform: scale(0.95); }
        .fab-support .fab-dot {
            position: absolute;
            top: -3px; right: -3px;
            width: 12px; height: 12px;
            border-radius: 50%;
            background: #ff007f;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.8);
            animation: dotBlink 1.4s ease-in-out infinite;
        }
        @keyframes fabPulse {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }
        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .cat-hero h1 { font-size: 2.1rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .mobile-toggle { display: flex; }
            .nav-links {
                position: fixed;
                top: 68px; left: 0; right: 0;
                background: rgba(15, 12, 32, 0.98);
                border-bottom: 1px solid var(--border-soft);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 20px 20px;
                display: none;
            }
            .nav-links.open { display: flex; }
            .nav-links li a { display: block; padding: 13px 10px; }
            .nav-actions {
                margin: 12px 0 0;
                justify-content: stretch;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                flex: 1;
                text-align: center;
            }
            .cat-hero { padding: 60px 0 50px; }
            .cat-hero h1 { font-size: 1.7rem; }
            .device-panel { margin-top: 34px; }
            .section-block { padding: 52px 0; }
            .section-head h2 { font-size: 1.5rem; }
            .final-cta h2 { font-size: 1.5rem; }
        }

        @media (max-width: 520px) {
            .cat-hero h1 { font-size: 1.45rem; }
            .hero-cta-row { flex-direction: column; align-items: stretch; }
            .btn-neon-primary, .btn-neon-outline { justify-content: center; }
            .stat-item { flex-direction: column; gap: 2px; }
            .stat-item .num { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .scenario-row { flex-direction: column; gap: 10px; padding: 18px; }
            .fab-support .fab-label { display: none; }
            .fab-support { padding: 14px; }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0F0C20;
            --bg-ocean: #0B1A30;
            --bg-panel: #131A33;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-main: #FFFFFF;
            --text-soft: #A6ACAF;
            --border-soft: rgba(0, 240, 255, 0.18);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.25);
            --shadow-lime: 0 0 18px rgba(204, 255, 0, 0.3);
            --section-gap: clamp(64px, 9vw, 110px);
        }

        * { box-sizing: border-box; }

        body {
            margin: 0;
            font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-ocean) 55%, #081422 100%);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; display: block; }
        a { color: var(--accent-cyan); text-decoration: none; transition: color .2s ease; }
        a:hover { color: var(--accent-lime); }
        h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; }

        .container-custom {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ HEADER / NAV ============ */
        .header-main {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-soft);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .logo-brand {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--text-main);
            white-space: nowrap;
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.45);
        }
        .logo-brand:hover { color: var(--accent-cyan); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: flex-end;
        }
        .nav-links > li > a {
            display: block;
            padding: 9px 16px;
            border-radius: 999px;
            font-size: .95rem;
            font-weight: 500;
            color: var(--text-soft);
        }
        .nav-links > li > a:hover { color: var(--text-main); background: rgba(0, 240, 255, 0.08); }
        .nav-links > li > a.active {
            color: var(--bg-deep);
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            font-weight: 700;
            box-shadow: var(--shadow-neon);
        }
        .nav-actions { display: flex; align-items: center; gap: 10px; margin-left: 14px; }
        .btn-login {
            color: var(--text-main);
            font-weight: 600;
            font-size: .92rem;
            padding: 8px 12px;
        }
        .btn-login:hover { color: var(--accent-cyan); }
        .btn-signup {
            background: linear-gradient(90deg, var(--accent-lime), #9BE800);
            color: #10160a;
            font-weight: 700;
            font-size: .92rem;
            padding: 9px 20px;
            border-radius: 999px;
            box-shadow: var(--shadow-lime);
            transition: transform .2s ease, box-shadow .2s ease;
        }
        .btn-signup:hover { transform: translateY(-2px); box-shadow: 0 0 26px rgba(204, 255, 0, 0.5); color: #10160a; }
        .mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
        .mobile-toggle span { width: 24px; height: 2px; background: var(--accent-cyan); border-radius: 2px; transition: .3s; }

        /* ============ HERO ============ */
        .hero-guide {
            position: relative;
            padding: 150px 0 90px;
            background:
                linear-gradient(105deg, rgba(15,12,32,.96) 0%, rgba(11,26,48,.88) 55%, rgba(11,26,48,.65) 100%),
                url('/assets/images/backpic/back-2.jpg') center / cover no-repeat;
            border-bottom: 1px solid var(--border-soft);
        }
        .hero-guide::after {
            content: "";
            position: absolute; inset: 0;
            background-image: linear-gradient(rgba(0,240,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0,240,255,.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }
        .hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
        .hero-tag {
            display: inline-flex; align-items: center; gap: 8px;
            font-size: .8rem; font-weight: 600; letter-spacing: 1px;
            color: var(--accent-lime);
            border: 1px solid rgba(204,255,0,.35);
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 20px;
            background: rgba(204,255,0,.06);
        }
        .hero-guide h1 {
            font-size: clamp(1.7rem, 3.6vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 18px;
        }
        .hero-guide h1 em { font-style: normal; color: var(--accent-cyan); text-shadow: 0 0 16px rgba(0,240,255,.5); }
        .hero-sub { color: var(--text-soft); font-size: 1.05rem; max-width: 560px; margin-bottom: 30px; }

        .lead-form {
            background: rgba(19, 26, 51, 0.85);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 26px 28px;
            box-shadow: var(--shadow-neon);
            backdrop-filter: blur(8px);
        }
        .lead-form h3 { font-size: 1.05rem; margin-bottom: 16px; }
        .lead-form h3 i { color: var(--accent-lime); margin-right: 8px; }
        .lead-form .form-select, .lead-form .form-control {
            background: rgba(11, 26, 48, 0.9);
            border: 1px solid rgba(0,240,255,.25);
            color: var(--text-main);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: .95rem;
        }
        .lead-form .form-select:focus, .lead-form .form-control:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0,240,255,.15);
            background: rgba(11, 26, 48, 1);
            color: var(--text-main);
        }
        .lead-form .form-select option { background: var(--bg-ocean); }
        .btn-neon {
            display: inline-flex; align-items: center; justify-content: center; gap: 10px;
            width: 100%;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            color: #071018;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            border-radius: 999px;
            padding: 14px 26px;
            box-shadow: var(--shadow-neon);
            transition: transform .2s ease, box-shadow .2s ease;
            cursor: pointer;
        }
        .btn-neon:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(0,240,255,.55); color: #071018; }
        .btn-neon:focus-visible { outline: 3px solid var(--accent-lime); outline-offset: 2px; }
        .lead-note { font-size: .8rem; color: var(--text-soft); margin: 12px 0 0; }
        .lead-note i { color: var(--accent-cyan); margin-right: 6px; }

        .hero-stats {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px;
        }
        .stat-block {
            border-left: 2px solid var(--accent-cyan);
            padding: 4px 0 4px 16px;
        }
        .stat-block strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent-lime); }
        .stat-block span { font-size: .82rem; color: var(--text-soft); }

        /* ============ SECTIONS COMMON ============ */
        .section { padding: var(--section-gap) 0 0; }
        .section-head { max-width: 640px; margin-bottom: 44px; }
        .section-head .kicker {
            font-size: .78rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
            color: var(--accent-cyan); margin-bottom: 10px; display: block;
        }
        .section-head h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); margin-bottom: 12px; }
        .section-head p { color: var(--text-soft); margin: 0; }

        /* ============ WHY LITE ============ */
        .why-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: center; }
        .why-media { position: relative; }
        .why-media img {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: 0 20px 50px rgba(0,0,0,.5), var(--shadow-neon);
        }
        .why-media .float-chip {
            position: absolute; right: -14px; bottom: 22px;
            background: rgba(15,12,32,.92);
            border: 1px solid rgba(204,255,0,.4);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            font-size: .85rem;
            box-shadow: var(--shadow-lime);
        }
        .why-media .float-chip strong { color: var(--accent-lime); font-size: 1.1rem; display: block; }
        .why-list { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 20px; }
        .why-list li { display: flex; gap: 16px; align-items: flex-start; }
        .why-list .ic {
            flex: 0 0 44px; height: 44px;
            display: flex; align-items: center; justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(0,240,255,.1);
            border: 1px solid var(--border-soft);
            color: var(--accent-cyan);
            font-size: 1.05rem;
        }
        .why-list h4 { font-size: 1rem; margin: 0 0 4px; }
        .why-list p { font-size: .92rem; color: var(--text-soft); margin: 0; }

        /* ============ STEPS (ANDROID) ============ */
        .steps-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: start; }
        .step-line { position: relative; padding-left: 34px; display: grid; gap: 30px; }
        .step-line::before {
            content: ""; position: absolute; left: 12px; top: 8px; bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-lime));
            opacity: .5;
        }
        .step-item { position: relative; }
        .step-item::before {
            content: attr(data-step);
            position: absolute; left: -34px; top: 0;
            width: 26px; height: 26px;
            border-radius: 50%;
            background: var(--bg-deep);
            border: 2px solid var(--accent-cyan);
            color: var(--accent-lime);
            font-size: .78rem; font-weight: 800;
            display: flex; align-items: center; justify-content: center;
            box-shadow: 0 0 10px rgba(0,240,255,.4);
        }
        .step-item h4 { font-size: 1.02rem; margin-bottom: 6px; }
        .step-item p { font-size: .92rem; color: var(--text-soft); margin: 0; }
        .step-item .mono-hint {
            display: inline-block; margin-top: 8px;
            font-size: .8rem; color: var(--accent-cyan);
            background: rgba(0,240,255,.08);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            padding: 4px 10px;
        }
        .steps-side img {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: 0 18px 44px rgba(0,0,0,.5);
        }
        .steps-side .side-note {
            margin-top: 18px;
            border-left: 3px solid var(--accent-lime);
            padding: 4px 0 4px 16px;
            color: var(--text-soft);
            font-size: .92rem;
        }
        .steps-side .side-note b { color: var(--text-main); }

        /* ============ IOS / H5 ============ */
        .ios-band {
            margin-top: var(--section-gap);
            background: linear-gradient(120deg, rgba(0,240,255,.07), rgba(204,255,0,.05)), var(--bg-panel);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
            padding: 70px 0;
        }
        .ios-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
        .ios-grid h2 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); margin-bottom: 14px; }
        .ios-grid h2 i { color: var(--accent-cyan); margin-right: 10px; }
        .ios-grid > div > p { color: var(--text-soft); }
        .h5-steps { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
        .h5-steps li { display: flex; gap: 12px; font-size: .95rem; align-items: baseline; }
        .h5-steps li i { color: var(--accent-lime); font-size: .8rem; }
        .spec-panel {
            background: rgba(15,12,32,.75);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-neon);
        }
        .spec-panel h4 { font-size: .95rem; letter-spacing: 1px; text-transform: uppercase; color: var(--accent-cyan); margin-bottom: 18px; }
        .spec-row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px dashed rgba(166,172,175,.25); font-size: .92rem; }
        .spec-row:last-child { border-bottom: none; }
        .spec-row span { color: var(--text-soft); }
        .spec-row b { color: var(--accent-lime); font-weight: 700; white-space: nowrap; }

        /* ============ SAFETY ============ */
        .safe-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
        .safe-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            background: rgba(19,26,51,.5);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .safe-item:hover { transform: translateY(-4px); border-color: rgba(0,240,255,.5); box-shadow: var(--shadow-neon); }
        .safe-item i { color: var(--accent-lime); font-size: 1.3rem; margin-bottom: 12px; display: block; }
        .safe-item h4 { font-size: 1rem; margin-bottom: 6px; }
        .safe-item p { font-size: .9rem; color: var(--text-soft); margin: 0; }

        /* ============ FAQ ============ */
        .faq-wrap { max-width: 800px; }
        .accordion-item {
            background: rgba(19,26,51,.55);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-weight: 600;
            font-size: .98rem;
            padding: 18px 22px;
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0,240,255,.07);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        .accordion-button:focus { box-shadow: 0 0 0 3px rgba(0,240,255,.2); }
        .accordion-button::after { filter: invert(1) brightness(1.6); }
        .accordion-body { color: var(--text-soft); font-size: .93rem; padding: 4px 22px 20px; }
        .accordion-body b { color: var(--accent-lime); }

        /* ============ CTA ============ */
        .cta-final {
            margin-top: var(--section-gap);
            text-align: center;
            padding: 80px 24px;
            background:
                linear-gradient(180deg, rgba(15,12,32,.92), rgba(11,26,48,.94)),
                url('/assets/images/backpic/back-3.jpg') center / cover no-repeat;
            border-top: 1px solid var(--border-soft);
        }
        .cta-final h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 14px; }
        .cta-final p { color: var(--text-soft); max-width: 560px; margin: 0 auto 30px; }
        .cta-final .btn-neon { width: auto; padding: 15px 44px; }
        .cta-pay { display: flex; justify-content: center; gap: 18px; margin-top: 26px; flex-wrap: wrap; }
        .cta-pay span {
            font-size: .84rem; color: var(--text-soft);
            border: 1px solid rgba(166,172,175,.3);
            border-radius: 999px; padding: 7px 16px;
        }
        .cta-pay span i { color: var(--accent-cyan); margin-right: 6px; }

        /* ============ FOOTER ============ */
        .footer-main {
            background: #0A0817;
            border-top: 1px solid var(--border-soft);
            padding: 60px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
        }
        .footer-brand h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 12px; text-shadow: 0 0 12px rgba(0,240,255,.4); }
        .footer-brand p { font-size: .88rem; color: var(--text-soft); }
        .footer-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
        .badge-item {
            font-size: .76rem; color: var(--accent-cyan);
            border: 1px solid var(--border-soft);
            border-radius: 999px; padding: 5px 12px;
            background: rgba(0,240,255,.06);
        }
        .badge-item i { margin-right: 5px; }
        .footer-column h4 { font-size: .9rem; letter-spacing: 1px; text-transform: uppercase; color: var(--accent-lime); margin-bottom: 16px; }
        .footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
        .footer-links a { color: var(--text-soft); font-size: .9rem; }
        .footer-links a:hover { color: var(--accent-cyan); }
        .footer-links a i { margin-right: 7px; color: var(--accent-cyan); }
        .footer-bottom {
            border-top: 1px solid rgba(166,172,175,.15);
            padding: 20px 0;
            font-size: .8rem;
            color: var(--text-soft);
        }
        .footer-bottom p { margin: 0; }

        /* ============ FAB ============ */
        .fab-support {
            position: fixed; left: 16px; bottom: 96px; z-index: 1100;
            display: flex; align-items: center; gap: 10px;
            min-width: 48px; min-height: 48px;
            padding: 12px 20px;
            border-radius: 999px;
            background: rgba(0,0,0,.6);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,.7), rgba(0,0,0,.7)), linear-gradient(90deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 15px rgba(0,240,255,.5);
            color: var(--text-main);
            font-weight: 700;
            font-size: .88rem;
            opacity: .65;
            transition: opacity .25s ease, box-shadow .25s ease, transform .2s ease;
        }
        .fab-support i { color: var(--accent-cyan); font-size: 1.15rem; text-shadow: 0 0 10px rgba(0,240,255,.8); }
        .fab-support:hover { opacity: 1; box-shadow: 0 0 28px rgba(0,240,255,.75); color: var(--text-main); }
        .fab-support:active { transform: scale(.95); border-color: #FF007F; }
        .fab-support .fab-dot {
            position: absolute; top: -3px; right: -3px;
            width: 12px; height: 12px; border-radius: 50%;
            background: var(--accent-lime);
            box-shadow: 0 0 8px rgba(204,255,0,.9);
            animation: fabPulse 1.6s infinite;
        }
        @keyframes fabPulse { 0%,100% { opacity: 1; transform: scale(1);} 50% { opacity: .5; transform: scale(.75);} }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; gap: 40px; }
            .why-grid, .steps-wrap, .ios-grid { grid-template-columns: 1fr; gap: 40px; }
            .steps-side { order: -1; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .mobile-toggle { display: flex; }
            .nav-links {
                position: fixed; top: 68px; left: 0; right: 0;
                flex-direction: column; align-items: stretch;
                background: rgba(15,12,32,.98);
                border-bottom: 1px solid var(--border-soft);
                padding: 16px 24px 22px;
                gap: 4px;
                display: none;
            }
            .nav-links.open { display: flex; }
            .nav-links > li > a { border-radius: var(--radius-sm); }
            .nav-actions { margin: 12px 0 0; justify-content: flex-start; }
            .hero-guide { padding: 120px 0 70px; }
            .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
            .safe-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .container-custom { padding: 0 18px; }
            .hero-stats { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .lead-form { padding: 22px 18px; }
            .why-media .float-chip { right: 8px; bottom: 12px; padding: 10px 14px; }
            .cta-pay { gap: 10px; }
            .fab-support { bottom: 84px; padding: 12px 14px; }
            .fab-support .fab-text { display: none; }
        }