/* roulang page: index */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.3);
            --border-lime: rgba(204, 255, 0, 0.3);
            --shadow-neon: 0 0 15px 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: 20px;
            --radius-xl: 28px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', system-ui, sans-serif;
        }

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

        body {
            font-family: var(--font-main);
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--accent-lime);
            text-shadow: 0 0 10px rgba(204, 255, 0, 0.5);
        }

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

        button, input, textarea {
            font-family: inherit;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            gap: var(--spacing-md);
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }

        .nav-logo {
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            color: var(--text-white);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-logo i {
            color: var(--accent-lime);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 8px rgba(204, 255, 0, 0.6));
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }

        .nav-links a {
            color: var(--text-silver);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 1rem;
            border-radius: 999px;
            white-space: nowrap;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
            border-color: rgba(0, 240, 255, 0.2);
        }

        .nav-links a.active {
            color: var(--bg-primary);
            background: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            border-color: var(--accent-cyan);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: none;
            padding: 0.5rem 1rem;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-login:hover {
            color: var(--accent-lime);
            text-shadow: 0 0 8px rgba(204, 255, 0, 0.5);
        }

        .btn-signup {
            background: var(--accent-lime);
            color: var(--bg-primary);
            border: none;
            padding: 0.6rem 1.4rem;
            font-weight: 800;
            font-size: 0.9rem;
            border-radius: 999px;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.3);
        }

        .btn-signup:hover {
            background: #E0FF66;
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.6);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background-image: linear-gradient(rgba(15, 12, 32, 0.7), rgba(11, 26, 48, 0.85)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(0, 240, 255, 0.06) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 0, 127, 0.15);
            border: 1px solid rgba(255, 0, 127, 0.4);
            color: #FF79C6;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.03em;
        }

        .hero-badge i {
            font-size: 0.7rem;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.4); }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, #FFFFFF 0%, #00F0FF 40%, #CCFF00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 1.1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
        }

        .btn-primary {
            background: var(--accent-lime);
            color: var(--bg-primary);
            font-weight: 800;
            font-size: 1rem;
            padding: 0.8rem 2rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 25px rgba(204, 255, 0, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            background: #E0FF66;
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.7);
            transform: translateY(-2px) scale(1.03);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 1rem;
            padding: 0.8rem 1.8rem;
            border-radius: 999px;
            border: 1px solid rgba(0, 240, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: var(--shadow-neon);
            border-color: var(--accent-cyan);
        }

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

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

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

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-silver);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

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

        .hero-image-wrapper {
            position: relative;
            width: 100%;
            max-width: 520px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 50px rgba(0, 240, 255, 0.2);
        }

        .hero-image-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-md);
            background: linear-gradient(transparent, rgba(15, 12, 32, 0.9));
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .hero-image-overlay span {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent-lime);
        }

        .hero-image-overlay i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
        }

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

        .section-header {
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }

        .section-label {
            display: inline-block;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 0.5rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
            color: var(--text-white);
        }

        .section-description {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

        /* Commission Highlight Section */
        .commission-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
            align-items: start;
        }

        .commission-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .commission-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
        }

        .commission-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--shadow-neon);
            transform: translateY(-5px);
        }

        .commission-card-icon {
            font-size: 2rem;
            color: var(--accent-lime);
            margin-bottom: var(--spacing-sm);
        }

        .commission-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-white);
        }

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

        /* Promo Materials Section */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .promo-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(204, 255, 0, 0.15);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .promo-card:hover {
            border-color: rgba(204, 255, 0, 0.4);
            box-shadow: var(--shadow-lime);
            transform: translateY(-4px);
        }

        .promo-card-image {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: rgba(0, 240, 255, 0.05);
        }

        .promo-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .promo-card:hover .promo-card-image img {
            transform: scale(1.05);
        }

        .promo-card-body {
            padding: var(--spacing-sm);
        }

        .promo-card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--text-white);
        }

        .promo-card-body p {
            font-size: 0.8rem;
            color: var(--text-silver);
        }

        /* News / CMS List Section */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) var(--spacing-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .news-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
            background: rgba(0, 240, 255, 0.05);
            box-shadow: var(--shadow-neon);
        }

        .news-item-number {
            color: var(--accent-cyan);
            font-weight: 900;
            font-size: 1.2rem;
            min-width: 2rem;
            text-align: center;
        }

        .news-item-content {
            flex: 1;
        }

        .news-item-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.25rem;
            line-height: 1.4;
        }

        .news-item-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .news-item-meta i {
            margin-right: 0.3rem;
            color: var(--accent-cyan);
        }

        .news-sidebar {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(204, 255, 0, 0.15);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
        }

        .news-sidebar h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-lime);
        }

        .news-sidebar p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }

        .news-sidebar .btn-primary {
            width: 100%;
            justify-content: center;
            font-size: 0.9rem;
            padding: 0.7rem 1.5rem;
        }

        /* Opinion Section */
        .opinion-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .opinion-card {
            background: rgba(255, 0, 127, 0.05);
            border: 1px solid rgba(255, 0, 127, 0.2);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all 0.3s ease;
        }

        .opinion-card:hover {
            border-color: rgba(255, 0, 127, 0.5);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.15);
            transform: translateY(-3px);
        }

        .opinion-quote {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: var(--spacing-sm);
        }

        .opinion-author {
            font-size: 0.85rem;
            font-weight: 700;
            color: #FF79C6;
        }

        /* Review Wall Section */
        .review-summary {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
            padding: var(--spacing-lg);
            background: rgba(0, 240, 255, 0.05);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            flex-wrap: wrap;
        }

        .review-score {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--accent-lime);
            line-height: 1;
        }

        .review-stars {
            color: #FFD700;
            font-size: 1.2rem;
            letter-spacing: 0.2em;
        }

        .review-details {
            flex: 1;
        }

        .review-details h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .review-details p {
            font-size: 0.9rem;
            color: var(--text-silver);
        }

        .review-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .review-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
        }

        .review-item-header {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
        }

        .review-item-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--bg-primary);
            font-size: 0.9rem;
        }

        .review-item-name {
            font-weight: 700;
            font-size: 0.9rem;
        }

        .review-item-text {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        .review-item-stars {
            color: #FFD700;
            font-size: 0.8rem;
            margin-bottom: 0.4rem;
        }

        /* Festival Campaign Section */
        .festival-section {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.1), rgba(0, 240, 255, 0.08));
            border: 1px solid rgba(255, 0, 127, 0.25);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            position: relative;
            overflow: hidden;
        }

        .festival-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 0, 127, 0.15) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .festival-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .festival-content h3 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-lime);
        }

        .festival-content p {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .festival-gift-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .festival-gift-list li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.95rem;
            color: var(--text-white);
        }

        .festival-gift-list i {
            color: var(--accent-cyan);
        }

        /* Join Entry Section */
        .join-section {
            text-align: left;
        }

        .join-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .join-step {
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
        }

        .join-step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--bg-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .join-step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--text-white);
        }

        .join-step-content p {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

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

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }

        .faq-question {
            padding: var(--spacing-md) var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            transition: all 0.3s ease;
            gap: 1rem;
        }

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

        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-answer {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.75);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.7; box-shadow: 0 0 15px rgba(0, 240, 255, 0.4); }
            50% { opacity: 1; box-shadow: 0 0 30px rgba(0, 240, 255, 0.8); }
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.9);
            border-color: var(--accent-lime);
            color: var(--accent-lime);
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-pink);
            border-radius: 50%;
            animation: blink-notification 1.5s ease-in-out infinite;
        }

        @keyframes blink-notification {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 6, 20, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

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

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .footer-description {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--accent-lime);
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-silver);
            transition: all 0.3s ease;
        }

        .footer-col ul a:hover {
            color: var(--accent-cyan);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

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

        .footer-badges {
            display: flex;
            gap: 1rem;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-silver);
        }

        .footer-badges i {
            color: var(--accent-lime);
            margin-right: 0.3rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .commission-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .promo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .opinion-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .festival-grid {
                grid-template-columns: 1fr;
            }
            .join-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--spacing-md);
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                gap: 0.5rem;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 0.75rem;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-description {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .commission-grid {
                grid-template-columns: 1fr;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .opinion-grid {
                grid-template-columns: 1fr;
            }
            .review-list {
                grid-template-columns: 1fr;
            }
            .join-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .review-summary {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-stats {
                gap: var(--spacing-md);
            }
            .hero-stat-value {
                font-size: 1.4rem;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 0.75rem;
                bottom: 5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary, .btn-secondary {
                justify-content: center;
                text-align: center;
            }
            .hero-image-wrapper {
                border-radius: var(--radius-md);
            }
            .festival-content h3 {
                font-size: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .news-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .news-item-number {
                text-align: left;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.35);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 12px rgba(204, 255, 0, 0.45);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --space-1: 0.5rem;
            --space-2: 1rem;
            --space-3: 1.5rem;
            --space-4: 2rem;
            --space-5: 3rem;
            --space-6: 4rem;
            --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            background-image: radial-gradient(circle at 20% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 50%),
                              radial-gradient(circle at 80% 0%, rgba(204, 255, 0, 0.04) 0%, transparent 40%),
                              radial-gradient(circle at 50% 100%, rgba(255, 0, 127, 0.03) 0%, transparent 45%);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            line-height: 1.2;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            flex-shrink: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--accent-cyan) transparent;
        }

        .nav-links::-webkit-scrollbar {
            height: 4px;
        }
        .nav-links::-webkit-scrollbar-thumb {
            background: var(--accent-cyan);
            border-radius: 999px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.6rem 0.9rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-silver);
            text-decoration: none;
            border-radius: 999px;
            white-space: nowrap;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
            border-color: rgba(0, 240, 255, 0.25);
            transform: translateY(-1px);
        }

        .nav-links a.active {
            color: var(--accent-lime);
            background: rgba(204, 255, 0, 0.1);
            border-color: rgba(204, 255, 0, 0.35);
            box-shadow: var(--shadow-lime);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            border: none;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.6rem 0.9rem;
            cursor: pointer;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #0F0C20;
            font-weight: 800;
            font-size: 0.85rem;
            padding: 0.6rem 1.2rem;
            border: none;
            border-radius: 999px;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.45);
        }

        /* Article Hero */
        .article-hero {
            position: relative;
            padding: var(--space-5) 0 var(--space-4);
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.9), rgba(11, 26, 48, 0.95));
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.3) 0%, rgba(15, 12, 32, 0.85) 100%);
            z-index: 1;
            pointer-events: none;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-silver);
            margin-bottom: var(--space-3);
        }

        .breadcrumb a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .breadcrumb .separator {
            opacity: 0.5;
        }

        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.2;
            max-width: 850px;
            background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: var(--space-3);
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-silver);
            margin-bottom: var(--space-3);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            padding: 0.4rem 0.9rem;
            border-radius: 999px;
        }

        .article-meta i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        .article-tag {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            border: 1px solid rgba(204, 255, 0, 0.35);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        /* Article Body */
        .article-main {
            padding: var(--space-5) 0;
            flex: 1;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            gap: var(--space-4);
            max-width: 820px;
            margin: 0 auto;
        }

        .article-content {
            background: rgba(15, 12, 32, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: var(--space-4) var(--space-4);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
        }

        .article-content .article-cover {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: var(--space-4);
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: var(--shadow-neon);
        }

        .article-content .article-body {
            font-size: 1.05rem;
            line-height: 1.7;
            color: #E0E6ED;
        }

        .article-content .article-body h2 {
            font-size: 1.65rem;
            font-weight: 800;
            margin-top: var(--space-4);
            margin-bottom: var(--space-2);
            color: var(--accent-cyan);
            letter-spacing: -0.01em;
        }

        .article-content .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-top: var(--space-3);
            margin-bottom: var(--space-1);
            color: var(--accent-lime);
        }

        .article-content .article-body p {
            margin-bottom: var(--space-2);
        }

        .article-content .article-body ul,
        .article-content .article-body ol {
            margin-left: 1.5rem;
            margin-bottom: var(--space-2);
        }

        .article-content .article-body li {
            margin-bottom: 0.4rem;
        }

        .article-content .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
            transition: color 0.2s;
        }

        .article-content .article-body a:hover {
            color: var(--accent-lime);
        }

        .article-content .article-body img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: var(--space-2) 0;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .article-content .article-body blockquote {
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            padding: var(--space-2) var(--space-3);
            margin: var(--space-3) 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-silver);
        }

        .article-notfound {
            text-align: center;
            padding: var(--space-5) var(--space-3);
            background: rgba(15, 12, 32, 0.7);
            border: 1px solid rgba(255, 0, 127, 0.3);
            border-radius: var(--radius-lg);
        }

        .article-notfound i {
            font-size: 3rem;
            color: var(--accent-pink);
            margin-bottom: var(--space-2);
        }

        .article-notfound h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: var(--space-2);
            color: var(--text-white);
        }

        .article-notfound p {
            color: var(--text-silver);
            margin-bottom: var(--space-3);
        }

        .btn-back-home {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #0F0C20;
            font-weight: 800;
            padding: 0.8rem 2rem;
            border-radius: 999px;
            text-decoration: none;
            transition: all 0.25s ease;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.45);
        }

        /* Related section */
        .related-section {
            padding: var(--space-5) 0;
            border-top: 1px solid rgba(0, 240, 255, 0.12);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
            margin-top: var(--space-3);
        }

        .related-card {
            background: rgba(15, 12, 32, 0.7);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--text-white);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .related-card-body {
            padding: var(--space-2);
        }

        .related-card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 0.4rem;
            color: var(--text-white);
        }

        .related-card-body .meta {
            font-size: 0.75rem;
            color: var(--text-silver);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* FAQ */
        .faq-section {
            padding: var(--space-5) 0;
            border-top: 1px solid rgba(0, 240, 255, 0.12);
        }

        .faq-item {
            background: rgba(15, 12, 32, 0.65);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            transition: color 0.2s;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        .faq-item.open .faq-answer {
            max-height: 250px;
            padding: 0 1.5rem 1.2rem;
        }

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

        /* CTA */
        .cta-section {
            padding: var(--space-5) 0;
            border-top: 1px solid rgba(0, 240, 255, 0.12);
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(204, 255, 0, 0.08));
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-lg);
            padding: var(--space-4);
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box h3 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: var(--space-2);
            color: var(--text-white);
        }

        .cta-box p {
            color: var(--text-silver);
            margin-bottom: var(--space-3);
            max-width: 600px;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 999px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0.6;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            text-decoration: none;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.75);
            color: var(--accent-lime);
            border-color: var(--accent-lime);
        }

        .fab-support .notification-dot {
            position: absolute;
            top: 0;
            right: 0;
            width: 14px;
            height: 14px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid #0F0C20;
            animation: blink 1.2s infinite;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }

        /* Footer */
        .site-footer {
            background: rgba(11, 26, 48, 0.85);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: var(--space-5) 0 var(--space-3);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-4);
            margin-bottom: var(--space-4);
        }

        .footer-brand {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: var(--space-2);
            line-height: 1.4;
        }

        .footer-description {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.6;
            max-width: 400px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--space-2);
        }

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

        .footer-col li {
            margin-bottom: 0.5rem;
        }

        .footer-col a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: var(--space-3);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
        }

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

        .footer-badges {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--text-silver);
        }

        .footer-badges span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .footer-badges i {
            color: var(--accent-cyan);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: auto;
                padding: 0.75rem 0;
            }
            .logo-text {
                font-size: 1rem;
            }
            .nav-links {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 0.5rem;
            }
            .nav-auth {
                margin-left: auto;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-content {
                padding: var(--space-3);
            }
            .article-content .article-body {
                font-size: 0.95rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab-support {
                width: 48px;
                height: 48px;
                left: 0.75rem;
                bottom: 5rem;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.35rem;
            }
            .article-meta {
                gap: 0.5rem;
            }
            .article-meta .meta-item {
                font-size: 0.75rem;
                padding: 0.3rem 0.6rem;
            }
            .btn-login {
                padding: 0.5rem 0.6rem;
                font-size: 0.75rem;
            }
            .btn-signup {
                padding: 0.5rem 0.9rem;
                font-size: 0.75rem;
            }
            .cta-box {
                padding: var(--space-3);
            }
            .cta-box h3 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-dark: #0B1A30;
            --bg-darker: #0F0C20;
            --bg-card: #111827;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-neon: rgba(0, 240, 255, 0.3);
            --border-lime: rgba(204, 255, 0, 0.4);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.15);
            --shadow-lime: 0 0 20px rgba(204, 255, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg-dark);
            background-image: radial-gradient(circle at 20% 20%, rgba(0,240,255,0.05) 0%, transparent 50%), radial-gradient(circle at 80% 60%, rgba(204,255,0,0.04) 0%, transparent 50%);
            color: var(--text-white);
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; display: block; }
        ul { list-style: none; }
        button { cursor: pointer; font-family: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* Header / Nav */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 100;
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition);
        }
        .header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 20px; flex-wrap: wrap; }
        .logo {
            font-weight: 800; font-size: 1.15rem; line-height: 1.3;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text; background-clip: text; color: transparent;
            letter-spacing: -0.5px; max-width: 320px;
        }
        .nav-links { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
        .nav-links a {
            font-size: 0.95rem; font-weight: 600; color: var(--text-silver);
            padding: 6px 12px; border-radius: 8px; white-space: nowrap;
            border: 1px solid transparent;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan); background: rgba(0, 240, 255, 0.08);
            border-color: rgba(0, 240, 255, 0.25);
        }
        .auth-buttons { display: flex; align-items: center; gap: 10px; }
        .btn-login {
            background: transparent; border: 1px solid rgba(166, 172, 175, 0.4);
            color: var(--text-white); padding: 8px 16px; border-radius: 10px;
            font-weight: 600; font-size: 0.9rem;
        }
        .btn-login:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #0B1A30; padding: 8px 18px; border-radius: 10px;
            font-weight: 800; font-size: 0.9rem; border: none;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }
        .btn-signup:hover { transform: translateY(-2px); box-shadow: 0 0 28px rgba(204, 255, 0, 0.4); }
        .mobile-toggle { display: none; background: none; border: 1px solid rgba(0,240,255,0.3); color: var(--accent-cyan); border-radius: 8px; width: 42px; height: 42px; font-size: 1.2rem; }

        /* Hero */
        .category-hero {
            padding: 140px 0 60px;
            background: linear-gradient(180deg, rgba(15,12,32,0.9) 0%, rgba(11,26,48,0.7) 100%);
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: ''; position: absolute; top: 0; right: -100px; width: 400px; height: 400px;
            background: radial-gradient(circle, rgba(0,240,255,0.08), transparent 70%);
            pointer-events: none;
        }
        .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; position: relative; z-index: 2; }
        .hero-tag {
            display: inline-block; background: rgba(204,255,0,0.12); color: var(--accent-lime);
            border: 1px solid rgba(204,255,0,0.3); padding: 6px 16px; border-radius: 50px;
            font-size: 0.8rem; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 18px;
        }
        .hero-title {
            font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 900; line-height: 1.2;
            color: var(--text-white); margin-bottom: 20px; letter-spacing: -0.5px;
        }
        .hero-title span { color: var(--accent-cyan); }
        .hero-desc { font-size: 1.05rem; color: var(--text-silver); margin-bottom: 28px; max-width: 520px; line-height: 1.7; }
        .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #0B1A30; padding: 14px 28px; border-radius: 14px;
            font-weight: 800; font-size: 1rem; border: none;
            box-shadow: 0 0 25px rgba(204, 255, 0, 0.3); transition: var(--transition);
        }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 40px rgba(0, 240, 255, 0.5); }
        .btn-secondary {
            background: transparent; border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--accent-cyan); padding: 14px 26px; border-radius: 14px;
            font-weight: 700; font-size: 1rem;
        }
        .btn-secondary:hover { background: rgba(0, 240, 255, 0.08); }
        .hero-visual {
            position: relative; border-radius: var(--radius-xl); overflow: hidden;
            border: 1px solid var(--border-neon); box-shadow: var(--shadow-neon);
        }
        .hero-visual img { width: 100%; height: 380px; object-fit: cover; }
        .hero-visual::after {
            content: 'TOP 2026'; position: absolute; top: 20px; right: 20px;
            background: rgba(204, 255, 0, 0.9); color: #0B1A30; font-weight: 900;
            padding: 8px 18px; border-radius: 30px; font-size: 0.85rem; letter-spacing: 1px;
        }
        .hero-stats { display: flex; gap: 30px; margin-top: 30px; flex-wrap: wrap; }
        .hero-stat { display: flex; flex-direction: column; }
        .hero-stat .stat-num { font-size: 1.8rem; font-weight: 900; color: var(--accent-lime); }
        .hero-stat .stat-label { font-size: 0.8rem; color: var(--text-silver); }

        /* Sections */
        .section { padding: 60px 0; }
        .section-header { margin-bottom: 40px; }
        .section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--text-white); margin-bottom: 12px; letter-spacing: -0.5px; }
        .section-subtitle { color: var(--text-silver); font-size: 1rem; max-width: 700px; }

        /* Feature cards - asymmetric */
        .features-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
        .feature-card {
            grid-column: span 4; background: var(--bg-card); border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg); padding: 28px 24px; transition: var(--transition);
            position: relative; overflow: hidden;
        }
        .feature-card:hover { transform: translateY(-6px); border-color: var(--accent-cyan); box-shadow: var(--shadow-neon); }
        .feature-card.wide { grid-column: span 8; display: flex; gap: 24px; align-items: center; }
        .feature-card.wide .feature-icon { flex-shrink: 0; width: 80px; height: 80px; }
        .feature-icon {
            width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
            background: rgba(0, 240, 255, 0.1); color: var(--accent-cyan); font-size: 1.4rem; margin-bottom: 16px;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--text-white); }
        .feature-card p { font-size: 0.92rem; color: var(--text-silver); line-height: 1.6; }
        .feature-badge {
            position: absolute; top: 16px; right: 16px; font-size: 0.7rem; font-weight: 800;
            padding: 4px 10px; border-radius: 20px; background: rgba(204, 255, 0, 0.15); color: var(--accent-lime);
            border: 1px solid rgba(204, 255, 0, 0.3);
        }

        /* Ranking list */
        .ranking-list { display: flex; flex-direction: column; gap: 16px; }
        .ranking-item {
            display: flex; align-items: center; gap: 20px; background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.1); border-radius: var(--radius-lg);
            padding: 20px 24px; transition: var(--transition);
        }
        .ranking-item:hover { border-color: var(--accent-lime); box-shadow: var(--shadow-lime); }
        .rank-number {
            width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
            font-weight: 900; font-size: 1.2rem; background: rgba(204, 255, 0, 0.1); color: var(--accent-lime);
            border: 1px solid rgba(204, 255, 0, 0.25); flex-shrink: 0;
        }
        .ranking-info { flex: 1; }
        .ranking-info h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-white); margin-bottom: 4px; }
        .ranking-info p { font-size: 0.88rem; color: var(--text-silver); }
        .ranking-meta { display: flex; gap: 10px; flex-wrap: wrap; }
        .meta-tag {
            font-size: 0.75rem; padding: 4px 12px; border-radius: 20px;
            background: rgba(0, 240, 255, 0.08); color: var(--accent-cyan); border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .meta-tag.hot { background: rgba(255, 0, 127, 0.15); color: #FF79C6; border-color: rgba(255, 0, 127, 0.3); }

        /* Steps */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .step-item { text-align: left; position: relative; padding-left: 20px; border-left: 2px solid rgba(0, 240, 255, 0.2); }
        .step-number { font-size: 2.2rem; font-weight: 900; color: var(--accent-cyan); opacity: 0.6; line-height: 1; margin-bottom: 8px; }
        .step-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-white); margin-bottom: 6px; }
        .step-item p { font-size: 0.9rem; color: var(--text-silver); }

        /* FAQ */
        .faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 850px; }
        .faq-item { background: var(--bg-card); border: 1px solid rgba(0, 240, 255, 0.1); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: rgba(0, 240, 255, 0.3); }
        .faq-question {
            width: 100%; display: flex; justify-content: space-between; align-items: center;
            padding: 18px 22px; background: none; border: none; color: var(--text-white);
            font-size: 1rem; font-weight: 700; text-align: left;
        }
        .faq-question i { color: var(--accent-cyan); transition: var(--transition); }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
        .faq-item.active .faq-answer { max-height: 200px; }
        .faq-answer p { padding: 0 22px 18px; font-size: 0.92rem; color: var(--text-silver); line-height: 1.6; }

        /* CTA */
        .cta-section {
            padding: 70px 0; background: linear-gradient(135deg, rgba(15,12,32,0.95), rgba(11,26,48,0.9));
            border-radius: var(--radius-xl); margin: 40px 0 60px; text-align: center;
            border: 1px solid rgba(0, 240, 255, 0.2); position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(204,255,0,0.06), transparent 50%);
            pointer-events: none;
        }
        .cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 900; color: var(--text-white); margin-bottom: 14px; position: relative; z-index: 1; }
        .cta-section p { color: var(--text-silver); margin-bottom: 26px; font-size: 1.05rem; position: relative; z-index: 1; }
        .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

        /* Footer */
        .site-footer { background: rgba(15, 12, 32, 0.9); border-top: 1px solid rgba(0, 240, 255, 0.15); padding: 50px 0 30px; margin-top: 20px; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand { font-size: 1.05rem; font-weight: 800; color: var(--accent-cyan); margin-bottom: 12px; line-height: 1.4; }
        .footer-description { font-size: 0.88rem; color: var(--text-silver); line-height: 1.6; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--text-white); margin-bottom: 14px; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul a { font-size: 0.88rem; color: var(--text-silver); }
        .footer-col ul a:hover { color: var(--accent-lime); }
        .footer-bottom {
            display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
            padding-top: 24px; border-top: 1px solid rgba(166, 172, 175, 0.15);
        }
        .footer-copyright { font-size: 0.82rem; color: var(--text-silver); }
        .footer-badges { display: flex; gap: 16px; flex-wrap: wrap; }
        .footer-badges span { font-size: 0.78rem; color: var(--text-silver); display: flex; align-items: center; gap: 6px; }
        .footer-badges i { color: var(--accent-cyan); }

        /* FAB */
        .fab {
            position: fixed; left: 16px; bottom: 96px; z-index: 90;
            width: 56px; height: 56px; border-radius: 50%;
            background: rgba(11, 26, 48, 0.7); backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(11,26,48,0.8), rgba(11,26,48,0.8)), linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box; background-clip: padding-box, border-box;
            display: flex; align-items: center; justify-content: center;
            color: var(--accent-cyan); font-size: 1.4rem;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: var(--transition); opacity: 0.6;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab:hover { opacity: 1; transform: scale(1.1); box-shadow: 0 0 30px rgba(204, 255, 0, 0.6); }
        .fab .notification-dot {
            position: absolute; top: 4px; right: 4px; width: 12px; height: 12px; border-radius: 50%;
            background: #FF007F; border: 2px solid #0B1A30; animation: blink 1.5s infinite;
        }
        @keyframes fabFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 30px; }
            .hero-visual img { height: 300px; }
            .features-grid { grid-template-columns: repeat(6, 1fr); }
            .feature-card { grid-column: span 3; }
            .feature-card.wide { grid-column: span 6; }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-inner { flex-wrap: nowrap; }
            .nav-links {
                display: none; position: absolute; top: 100%; left: 0; right: 0;
                background: rgba(11, 26, 48, 0.98); flex-direction: column; gap: 8px;
                padding: 20px; border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            }
            .nav-links.open { display: flex; }
            .nav-links a { width: 100%; text-align: center; padding: 10px; }
            .auth-buttons { gap: 6px; }
            .btn-login, .btn-signup { padding: 6px 12px; font-size: 0.8rem; }
            .mobile-toggle { display: flex; align-items: center; justify-content: center; }
            .logo { font-size: 0.95rem; max-width: 200px; }
            .category-hero { padding: 120px 0 40px; }
            .features-grid { grid-template-columns: 1fr; }
            .feature-card, .feature-card.wide { grid-column: span 1; }
            .feature-card.wide { flex-direction: column; align-items: flex-start; }
            .steps-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .hero-stats { gap: 20px; }
            .ranking-item { flex-direction: column; align-items: flex-start; }
            .fab { width: 48px; height: 48px; font-size: 1.2rem; left: 12px; bottom: 80px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .hero-title { font-size: 1.6rem; }
            .hero-desc { font-size: 0.95rem; }
            .section { padding: 40px 0; }
            .section-title { font-size: 1.4rem; }
            .btn-primary, .btn-secondary { width: 100%; text-align: center; }
            .hero-actions { flex-direction: column; }
            .cta-actions { flex-direction: column; }
            .hero-visual img { height: 220px; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-neon: rgba(0, 240, 255, 0.35);
            --border-glow: rgba(204, 255, 0, 0.5);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 20px rgba(204, 255, 0, 0.3);
            --radius-lg: 1.5rem;
            --radius-md: 1rem;
            --radius-sm: 0.6rem;
            --spacing-section: 4.5rem;
            --font-display: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-white);
            font-family: var(--font-display);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* Header & Navigation */
        .site-header {
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding: 1rem 0;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            line-height: 1.3;
        }
        .logo span {
            color: var(--accent-cyan);
        }
        .nav-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-weight: 500;
            font-size: 0.95rem;
        }
        .nav-links a {
            position: relative;
            padding-bottom: 0.25rem;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: width .25s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--accent-cyan);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .btn-login {
            background: transparent;
            border: none;
            color: var(--text-white);
            font-weight: 600;
            cursor: pointer;
            padding: 0.5rem 1rem;
            transition: color .2s;
        }
        .btn-login:hover {
            color: var(--accent-cyan);
        }
        .btn-signup {
            background: var(--accent-cyan);
            color: #0F0C20;
            font-weight: 800;
            padding: 0.6rem 1.4rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: background .2s, transform .1s, box-shadow .2s;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
        }
        .btn-signup:hover {
            background: #b3e600;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.7);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
                padding: 1rem 0;
                border-top: 1px solid rgba(0,240,255,0.2);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .header-actions {
                margin-left: auto;
            }
            .header-inner {
                position: relative;
            }
        }
        /* Hero Flash Sale */
        .hero-flash {
            background: linear-gradient(135deg, #0F0C20 0%, #0B1A30 60%, #1a0e2e 100%);
            padding: 3rem 0 4rem;
            border-bottom: 1px solid rgba(0,240,255,0.15);
        }
        .flash-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .flash-countdown {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.8rem;
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .flash-countdown i {
            color: var(--accent-lime);
            font-size: 1.6rem;
        }
        .flash-countdown .time {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-lime);
            letter-spacing: 1px;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 1.2rem;
        }
        .hero-title em {
            color: var(--accent-cyan);
            font-style: normal;
        }
        .hero-desc {
            color: var(--text-silver);
            font-size: 1.1rem;
            max-width: 560px;
            margin-bottom: 2rem;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .btn-primary {
            background: var(--accent-cyan);
            color: #0F0C20;
            font-weight: 800;
            padding: 0.9rem 2.2rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: background .2s, transform .1s, box-shadow .2s;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
        }
        .btn-primary:hover {
            background: #b3e600;
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.8);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.6);
            color: var(--accent-cyan);
            font-weight: 700;
            padding: 0.9rem 2rem;
            border-radius: 999px;
            cursor: pointer;
            transition: background .2s, border-color .2s;
        }
        .btn-ghost:hover {
            background: rgba(0,240,255,0.1);
            border-color: var(--accent-cyan);
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-neon);
            border: 1px solid rgba(0,240,255,0.4);
        }
        .hero-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .hero-visual::after {
            content: 'ĐỔI THẺ 1:1';
            position: absolute;
            bottom: 1rem;
            left: 1rem;
            background: rgba(15,12,32,0.85);
            color: var(--accent-lime);
            font-weight: 800;
            padding: 0.4rem 1.2rem;
            border-radius: 999px;
            border: 1px solid var(--accent-lime);
            backdrop-filter: blur(8px);
        }
        @media (max-width: 768px) {
            .flash-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-visual img {
                height: 220px;
            }
        }
        /* Section base */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: rgba(11, 26, 48, 0.5);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
        }
        .section-sub {
            color: var(--text-silver);
            max-width: 700px;
            margin-bottom: 2.5rem;
            font-size: 1.05rem;
        }
        /* Ranking table */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .ranking-item {
            display: grid;
            grid-template-columns: 56px 1fr 180px;
            gap: 1.2rem;
            align-items: center;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0,240,255,0.2);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            transition: border-color .2s, box-shadow .2s, transform .2s;
        }
        .ranking-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 25px rgba(0,240,255,0.2);
            transform: translateY(-3px);
        }
        .rank-badge {
            width: 48px;
            height: 48px;
            background: var(--bg-secondary);
            border: 1px solid var(--accent-cyan);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }
        .rank-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.2rem;
        }
        .rank-info p {
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        .rank-action {
            text-align: right;
        }
        .badge-speed {
            background: rgba(204,255,0,0.15);
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            border: 1px solid rgba(204,255,0,0.4);
        }
        @media (max-width: 700px) {
            .ranking-item {
                grid-template-columns: 44px 1fr;
                gap: 0.8rem;
            }
            .rank-action {
                grid-column: 1 / -1;
                text-align: left;
            }
        }
        /* Comparison grid */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .compare-card {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(0,240,255,0.2);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: border-color .2s, transform .2s;
        }
        .compare-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-5px);
        }
        .compare-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }
        .compare-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .compare-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Feature split */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .feature-split img {
            border-radius: var(--radius-md);
            box-shadow: 0 0 30px rgba(0,240,255,0.2);
            border: 1px solid rgba(0,240,255,0.3);
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .feature-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .feature-content ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 1.5rem;
        }
        .feature-content li {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--text-silver);
        }
        .feature-content li i {
            color: var(--accent-lime);
            font-size: 1.2rem;
        }
        @media (max-width: 768px) {
            .feature-split {
                grid-template-columns: 1fr;
            }
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin-top: 2rem;
        }
        .faq-item {
            border-bottom: 1px solid rgba(0,240,255,0.2);
            padding: 1.2rem 0;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color .2s;
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-answer {
            color: var(--text-silver);
            padding-top: 0.8rem;
            font-size: 0.95rem;
        }
        /* CTA footer */
        .cta-footer {
            background: linear-gradient(135deg, #0F0C20, #0B1A30);
            border-top: 1px solid rgba(0,240,255,0.3);
            padding: 3.5rem 0;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .cta-text h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }
        .cta-text p {
            color: var(--text-silver);
            max-width: 500px;
        }
        /* Footer */
        .site-footer {
            background: #08070f;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(0,240,255,0.2);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
            color: var(--accent-cyan);
        }
        .footer-description {
            color: var(--text-silver);
            font-size: 0.9rem;
            max-width: 400px;
        }
        .footer-col h4 {
            font-size: 1rem;
            margin-bottom: 0.8rem;
            color: var(--text-white);
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col a {
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(0,240,255,0.15);
            color: var(--text-silver);
            font-size: 0.85rem;
        }
        .footer-badges {
            display: flex;
            gap: 1.2rem;
            align-items: center;
        }
        .footer-badges span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        /* FAB */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15,12,32,0.7);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, #CCFF00, #00F0FF) 1;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: transform .2s, opacity .2s;
            opacity: 0.7;
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }
        .fab-left:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
        }
        .fab-left::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #0F0C20;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition);
        }
        
        .site-header.scrolled {
            background: rgba(15, 12, 32, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        
        .logo {
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-size: 20px;
            font-weight: 900;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
        }
        
        .logo-text {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.3px;
            line-height: 1.2;
        }
        
        .logo-text span {
            color: var(--accent-cyan);
            font-weight: 700;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--text-silver);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 16px;
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
            position: relative;
        }
        
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
            border-color: rgba(0, 240, 255, 0.2);
        }
        
        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        
        .btn-login {
            text-decoration: none;
            color: var(--text-white);
            font-size: 14px;
            font-weight: 700;
            padding: 10px 18px;
            border-radius: 50px;
            transition: var(--transition);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            white-space: nowrap;
        }
        
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }
        
        .btn-signup {
            text-decoration: none;
            color: var(--bg-primary);
            background: var(--accent-lime);
            font-size: 14px;
            font-weight: 800;
            padding: 10px 22px;
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 0 25px rgba(204, 255, 0, 0.4);
            border: none;
        }
        
        .btn-signup:hover {
            background: #ddff33;
            box-shadow: 0 0 35px rgba(204, 255, 0, 0.6);
            transform: translateY(-2px);
        }
        
        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 20px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition);
            align-items: center;
            justify-content: center;
        }
        
        .mobile-toggle:hover {
            background: rgba(0, 240, 255, 0.1);
        }
        
        /* Hero Section */
        .hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        
        .hero-content h1 {
            font-size: 44px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        
        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-content p {
            font-size: 17px;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 520px;
        }
        
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent-lime);
            color: var(--bg-primary);
            font-weight: 800;
            font-size: 16px;
            padding: 16px 32px;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.4);
            border: none;
            cursor: pointer;
        }
        
        .btn-primary:hover {
            background: #ddff33;
            box-shadow: 0 0 45px rgba(204, 255, 0, 0.6);
            transform: translateY(-2px);
        }
        
        .btn-secondary {
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 16px;
            padding: 16px 32px;
            border-radius: 50px;
            transition: var(--transition);
            border: 1px solid rgba(0, 240, 255, 0.4);
            cursor: pointer;
        }
        
        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
        }
        
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .hero-visual img {
            width: 100%;
            max-width: 480px;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 240, 255, 0.2);
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        
        .hero-badge {
            position: absolute;
            top: -20px;
            right: 20px;
            background: var(--accent-cyan);
            color: var(--bg-primary);
            font-weight: 900;
            font-size: 13px;
            padding: 8px 18px;
            border-radius: 50px;
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
            letter-spacing: 0.5px;
        }
        
        /* Breadcrumb */
        .breadcrumb-section {
            padding: 100px 0 30px;
            background: var(--bg-primary);
        }
        
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-silver);
            flex-wrap: wrap;
        }
        
        .breadcrumb a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .breadcrumb a:hover {
            color: var(--accent-lime);
        }
        
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
        }
        
        /* Steps Section */
        .steps-section {
            padding: 60px 0;
            background: var(--bg-primary);
        }
        
        .section-title {
            font-size: 32px;
            font-weight: 900;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        
        .section-subtitle {
            font-size: 16px;
            color: var(--text-silver);
            margin-bottom: 40px;
            max-width: 600px;
            line-height: 1.7;
        }
        
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
        }
        
        .step-card {
            background: rgba(11, 26, 48, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-lime), var(--accent-cyan));
            opacity: 0;
            transition: var(--transition);
        }
        
        .step-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 10px 40px rgba(0, 240, 255, 0.15);
            transform: translateY(-4px);
        }
        
        .step-card:hover::before {
            opacity: 1;
        }
        
        .step-number {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--bg-primary);
            margin-bottom: 16px;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }
        
        .step-card h3 {
            font-size: 19px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        
        .step-card p {
            font-size: 14px;
            color: var(--text-silver);
            line-height: 1.7;
        }
        
        /* Info Section */
        .info-section {
            padding: 60px 0;
            background: var(--bg-secondary);
            position: relative;
        }
        
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .info-content h2 {
            font-size: 30px;
            font-weight: 900;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        
        .info-content p {
            font-size: 15px;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        
        .info-list {
            list-style: none;
            padding: 0;
            margin-top: 20px;
        }
        
        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 14px;
            color: var(--text-silver);
        }
        
        .info-list li i {
            color: var(--accent-lime);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        
        .info-image img {
            width: 100%;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        
        /* FAQ Section */
        .faq-section {
            padding: 60px 0 80px;
            background: var(--bg-primary);
        }
        
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: rgba(11, 26, 48, 0.5);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
        }
        
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 16px;
            font-weight: 700;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        
        .faq-question i {
            font-size: 14px;
            color: var(--accent-cyan);
            transition: var(--transition);
            flex-shrink: 0;
        }
        
        .faq-question.active i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
        }
        
        .faq-answer p {
            font-size: 14px;
            color: var(--text-silver);
            line-height: 1.7;
            padding-bottom: 20px;
        }
        
        .faq-answer.show {
            max-height: 400px;
        }
        
        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 900;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        
        .cta-inner p {
            font-size: 16px;
            color: var(--text-silver);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        
        /* Footer */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-brand {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        
        .footer-description {
            font-size: 13px;
            color: var(--text-silver);
            line-height: 1.7;
            max-width: 320px;
        }
        
        .footer-col h4 {
            font-size: 14px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        
        .footer-col ul li {
            margin-bottom: 10px;
        }
        
        .footer-col ul li a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }
        
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .footer-copyright {
            font-size: 12px;
            color: var(--text-silver);
        }
        
        .footer-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        .footer-badges span {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-silver);
        }
        
        .footer-badges span i {
            color: var(--accent-lime);
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 60;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 50%;
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 22px;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: var(--transition);
            opacity: 0.6;
            animation: fabPulse 3s ease-in-out infinite;
        }
        
        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            transform: scale(1.1);
            animation: none;
        }
        
        .fab:active {
            transform: scale(0.95);
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.6);
            border-color: var(--accent-lime);
        }
        
        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.4); }
            50% { box-shadow: 0 0 25px rgba(0, 240, 255, 0.7); }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                gap: 40px;
            }
            
            .hero-content h1 {
                font-size: 36px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
                flex-wrap: wrap;
            }
            
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            
            .nav-links.open {
                display: flex;
            }
            
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                text-align: left;
            }
            
            .mobile-toggle {
                display: flex;
            }
            
            .nav-actions {
                gap: 8px;
            }
            
            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: 12px;
            }
            
            .logo-text {
                font-size: 13px;
            }
            
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            
            .hero {
                padding-top: 110px;
                padding-bottom: 50px;
            }
            
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .hero-content h1 {
                font-size: 28px;
            }
            
            .hero-content p {
                font-size: 15px;
            }
            
            .hero-visual img {
                max-width: 100%;
            }
            
            .info-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .section-title {
                font-size: 26px;
            }
            
            .cta-inner h2 {
                font-size: 26px;
            }
            
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .fab {
                bottom: 80px;
                left: 12px;
                width: 48px;
                height: 48px;
                font-size: 18px;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            
            .header-inner {
                gap: 8px;
            }
            
            .logo-text {
                display: none;
            }
            
            .logo-icon {
                width: 38px;
                height: 38px;
            }
            
            .btn-login {
                padding: 8px 12px;
                font-size: 11px;
            }
            
            .btn-signup {
                padding: 8px 14px;
                font-size: 11px;
            }
            
            .hero-content h1 {
                font-size: 24px;
            }
            
            .hero-buttons {
                flex-direction: column;
            }
            
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 14px 24px;
                font-size: 14px;
            }
            
            .steps-grid {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 22px;
            }
            
            .cta-inner h2 {
                font-size: 22px;
            }
            
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            
            .faq-answer {
                padding: 0 18px;
            }
            
            .faq-answer p {
                font-size: 13px;
            }
        }