/* roulang page: index */
: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);
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.6);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Fixed Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(15, 12, 32, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            z-index: 100;
            transition: background 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .nav-logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
            padding-bottom: 6px;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.2s;
            text-decoration: none;
        }
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: 0 0 12px rgba(0,240,255,0.4);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border: none;
            color: #0F0C20;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(204,255,0,0.3);
        }
        .btn-signup:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0,240,255,0.6);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-cyan);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Hero Video Section */
        .hero-video {
            position: relative;
            margin-top: 70px;
            height: 85vh;
            min-height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: #000;
        }
        .hero-video video {
            position: absolute;
            top: 50%;
            left: 50%;
            min-width: 100%;
            min-height: 100%;
            width: auto;
            height: auto;
            transform: translate(-50%, -50%);
            object-fit: cover;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(15,12,32,0.85) 30%, rgba(11,26,48,0.5) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: left;
            max-width: 700px;
            margin-left: 0;
            padding: 0 20px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(204,255,0,0.15);
            border: 1px solid var(--accent-lime);
            color: var(--accent-lime);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(to right, #FFFFFF, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-silver);
            margin-bottom: 30px;
            max-width: 550px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-bottom: 30px;
        }
        .hero-stat h3 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-lime);
        }
        .hero-cta {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--accent-cyan);
            color: #0F0C20;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 800;
            text-decoration: none;
            transition: 0.2s;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover { background: var(--accent-lime); }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 800;
            text-decoration: none;
            transition: 0.2s;
        }
        .play-btn {
            position: absolute;
            bottom: 40px;
            right: 60px;
            z-index: 2;
            background: rgba(0,0,0,0.5);
            backdrop-filter: blur(10px);
            border: 2px solid var(--accent-cyan);
            color: white;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            cursor: pointer;
            transition: 0.3s;
        }
        .play-btn:hover { box-shadow: var(--shadow-glow); transform: scale(1.1); }
        /* Section Styles */
        section { padding: 80px 0; }
        .section-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: white;
        }
        .section-sub {
            color: var(--text-silver);
            max-width: 700px;
            margin-bottom: 40px;
            font-size: 1.1rem;
        }
        .grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
        .category-card {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(0,240,255,0.15);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
            transition: 0.3s;
            text-decoration: none;
            color: white;
        }
        .category-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0,240,255,0.2);
            transform: translateY(-5px);
        }
        .resource-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .resource-item {
            display: flex;
            gap: 20px;
            background: rgba(11,26,48,0.6);
            padding: 20px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--accent-cyan);
        }
        .news-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
        .news-list a { display: block; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.1); color: var(--text-silver); text-decoration: none; transition: 0.2s; }
        .news-list a:hover { color: var(--accent-cyan); }
        .download-banner {
            background: linear-gradient(135deg, #0B1A30, #0F0C20);
            border: 1px solid var(--accent-cyan);
            border-radius: 24px;
            padding: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .footer {
            background: #08060F;
            border-top: 1px solid rgba(0,240,255,0.2);
            padding: 40px 0 20px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
        /* FAB */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, #CCFF00, #00F0FF) 1;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            box-shadow: 0 0 15px rgba(0,240,255,0.5);
            transition: 0.3s;
            cursor: pointer;
        }
        .fab:hover { transform: scale(1.1); background: rgba(0,240,255,0.2); }
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2,1fr); }
            .resource-list { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-menu-btn { display: block; }
            .hero-title { font-size: 2.4rem; }
            .hero-video { height: 70vh; }
            .download-banner { flex-direction: column; text-align: center; gap: 20px; }
        }

/* roulang page: article */
: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);
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.6);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Fixed Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(15, 12, 32, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            z-index: 100;
            transition: background 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .nav-logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
            padding-bottom: 6px;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.2s;
            text-decoration: none;
        }
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: 0 0 12px rgba(0,240,255,0.4);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border: none;
            color: #0F0C20;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(204,255,0,0.3);
        }
        .btn-signup:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0,240,255,0.6);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-cyan);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Article Hero */
        .article-hero {
            margin-top: 70px;
            padding: 60px 0 40px;
            background: linear-gradient(135deg, rgba(11, 26, 48, 0.8) 0%, rgba(15, 12, 32, 0.95) 100%);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }
        .article-hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: left;
        }
        .article-category-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 5px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--text-silver);
            font-size: 0.9rem;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }
        /* Article Content */
        .article-content-wrapper {
            padding: 50px 0;
            display: flex;
            gap: 40px;
            align-items: flex-start;
        }
        .article-main {
            flex: 1;
            max-width: 800px;
        }
        .article-body {
            background: rgba(11, 26, 48, 0.4);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }
        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-top: 30px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-top: 24px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .article-body p {
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 18px;
            font-size: 1rem;
        }
        .article-body ul, .article-body ol {
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 18px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body strong {
            color: var(--accent-lime);
            font-weight: 700;
        }
        .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
            transition: color 0.2s;
        }
        .article-body a:hover {
            color: var(--accent-lime);
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 20px 0;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-silver);
            font-style: italic;
        }
        .article-cta-banner {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(204, 255, 0, 0.08));
            border: 1px solid var(--accent-cyan);
            border-radius: var(--radius-lg);
            padding: 30px;
            margin: 30px 0;
            text-align: center;
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.15);
        }
        .article-cta-banner h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-lime);
            margin-bottom: 10px;
        }
        .article-cta-banner p {
            color: var(--text-silver);
            margin-bottom: 18px;
        }
        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: #0F0C20;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1rem;
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(204,255,0,0.4);
            transition: 0.25s;
        }
        .btn-cta-large:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 30px rgba(0,240,255,0.7);
        }
        /* Sidebar */
        .article-sidebar {
            width: 320px;
            flex-shrink: 0;
            position: sticky;
            top: 90px;
        }
        .sidebar-card {
            background: rgba(11, 26, 48, 0.5);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 12px;
            padding-left: 16px;
            position: relative;
        }
        .sidebar-card ul li::before {
            content: '▹';
            color: var(--accent-lime);
            position: absolute;
            left: 0;
            top: 0;
            font-weight: bold;
        }
        .sidebar-card ul li a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .sidebar-card ul li a:hover {
            color: var(--accent-cyan);
        }
        .sidebar-game-mini {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.03);
            margin-bottom: 10px;
            transition: 0.2s;
            text-decoration: none;
        }
        .sidebar-game-mini:hover {
            background: rgba(0, 240, 255, 0.08);
            transform: translateX(4px);
        }
        .sidebar-game-mini img {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            object-fit: cover;
        }
        .sidebar-game-mini span {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.85rem;
        }
        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 80px 0;
        }
        .not-found-state .icon-404 {
            font-size: 5rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
            display: block;
        }
        .not-found-state h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .not-found-state p {
            color: var(--text-silver);
            margin-bottom: 24px;
            font-size: 1.1rem;
        }
        /* Footer */
        .footer {
            background: rgba(11, 26, 48, 0.7);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer a {
            color: var(--text-silver);
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer a:hover {
            color: var(--accent-cyan);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 100px;
            background: rgba(15, 12, 32, 0.8);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.8), rgba(15, 12, 32, 0.8)), linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: 0.3s;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            opacity: 0.6;
            animation: fabPulse 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
        }
        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.5); }
            50% { box-shadow: 0 0 25px rgba(204, 255, 0, 0.7); }
        }
        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: badgeBlink 1.5s infinite;
        }
        @keyframes badgeBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .article-content-wrapper {
                flex-direction: column;
            }
            .article-sidebar {
                width: 100%;
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .article-body {
                padding: 20px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .article-hero {
                padding: 40px 0 30px;
            }
        }
        @media (max-width: 520px) {
            .nav-container {
                height: 60px;
            }
            .article-body {
                padding: 16px;
            }
            .article-cta-banner {
                padding: 20px;
            }
            .btn-cta-large {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
: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);
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.6);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Fixed Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(15, 12, 32, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            z-index: 100;
            transition: background 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .nav-logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
            padding-bottom: 6px;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.2s;
            text-decoration: none;
        }
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: 0 0 12px rgba(0,240,255,0.4);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border: none;
            color: #0F0C20;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(204,255,0,0.3);
        }
        .btn-signup:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0,240,255,0.6);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-cyan);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Page Banner */
        .page-banner {
            margin-top: 70px;
            padding: 60px 0 50px;
            background: linear-gradient(135deg, rgba(11,26,48,0.9), rgba(15,12,32,0.95)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            border-bottom: 1px solid rgba(0,240,255,0.2);
        }
        .page-banner-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            background: linear-gradient(to right, #FFFFFF, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
        }
        .page-banner-content p {
            font-size: 1.15rem;
            color: var(--text-silver);
            max-width: 650px;
        }
        /* Section Titles */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-silver);
            margin-bottom: 30px;
        }
        /* Comparison Cards */
        .comparison-card {
            background: linear-gradient(135deg, #1A1A2E, #16213E);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .comparison-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 25px rgba(0,240,255,0.3);
            transform: translateY(-4px);
        }
        .comparison-card.featured {
            border: 2px solid var(--accent-lime);
            box-shadow: 0 0 30px rgba(204,255,0,0.2);
        }
        .comparison-card.featured::before {
            content: 'ĐỀ XUẤT SỐ 1';
            position: absolute;
            top: 16px;
            right: -30px;
            background: var(--accent-lime);
            color: #0F0C20;
            font-weight: 800;
            font-size: 0.7rem;
            padding: 4px 40px;
            transform: rotate(45deg);
            letter-spacing: 0.5px;
        }
        .badge-rating {
            display: inline-block;
            background: rgba(0,240,255,0.1);
            color: var(--accent-cyan);
            padding: 5px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .badge-payout {
            display: inline-block;
            background: rgba(204,255,0,0.1);
            color: var(--accent-lime);
            padding: 5px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .btn-compare-cta {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-cyan), #00c9e0);
            color: #0F0C20;
            font-weight: 800;
            padding: 12px 28px;
            border-radius: 30px;
            text-decoration: none;
            transition: 0.25s;
            box-shadow: 0 4px 15px rgba(0,240,255,0.3);
        }
        .btn-compare-cta:hover {
            box-shadow: 0 6px 25px rgba(0,240,255,0.6);
            transform: translateY(-2px);
        }
        .check-list li {
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-silver);
        }
        .check-list li i {
            color: var(--accent-lime);
            font-size: 0.9rem;
        }
        /* Process Steps */
        .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: #0F0C20;
            font-weight: 900;
            font-size: 1.3rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        /* FAQ */
        .faq-item {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(0,240,255,0.15);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: all 0.3s;
        }
        .faq-item:hover {
            border-color: rgba(0,240,255,0.4);
            background: rgba(0,240,255,0.04);
        }
        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }
        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 40px 0 20px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 0 20px rgba(0,240,255,0.4);
        }
        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            padding: 2px;
            background: linear-gradient(135deg, #00F0FF, #CCFF00);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            z-index: -1;
        }
        .fab-support:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0,240,255,0.7);
        }
        .fab-support i {
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(15,12,32,0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(0,240,255,0.2);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .page-banner-content h1 {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .comparison-card {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .btn-login, .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .page-banner {
                padding: 40px 0 30px;
            }
            .page-banner-content h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

/* roulang page: category2 */
: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);
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.6);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(15, 12, 32, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            z-index: 100;
            transition: background 0.3s ease;
        }
        
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        
        .nav-logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        
        .nav-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
            padding-bottom: 6px;
        }
        
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan);
        }
        
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.2s;
            text-decoration: none;
            white-space: nowrap;
        }
        
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: 0 0 12px rgba(0,240,255,0.4);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border: none;
            color: #0F0C20;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(204,255,0,0.3);
            white-space: nowrap;
        }
        
        .btn-signup:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0,240,255,0.6);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-cyan);
            font-size: 1.8rem;
            cursor: pointer;
        }
        
        .page-hero {
            position: relative;
            margin-top: 70px;
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(15,12,32,0.95), rgba(11,26,48,0.9)), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            overflow: hidden;
        }
        
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(0, 240, 255, 0.15) 0%, transparent 60%);
            z-index: 0;
        }
        
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        
        .hero-badge {
            display: inline-block;
            background: rgba(204,255,0,0.15);
            border: 1px solid var(--accent-lime);
            color: var(--accent-lime);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(to right, #FFFFFF, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            max-width: 800px;
        }
        
        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-silver);
            margin-bottom: 30px;
            max-width: 650px;
        }
        
        .hero-promo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 0, 127, 0.15);
            border: 1px solid #FF007F;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            color: #FF007F;
            margin-bottom: 30px;
        }
        
        .hero-promo i {
            font-size: 1.4rem;
        }
        
        .btn-primary {
            background: var(--accent-cyan);
            color: #0F0C20;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 20px rgba(0,240,255,0.4);
        }
        
        .btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 25px rgba(0,240,255,0.7);
        }
        
        .section {
            padding: 70px 0;
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            background: linear-gradient(135deg, var(--accent-cyan), #FFFFFF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .section-subtitle {
            color: var(--text-silver);
            font-size: 1.1rem;
            margin-bottom: 40px;
        }
        
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .tip-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
            overflow: hidden;
        }
        
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-lime));
        }
        
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 40px rgba(0, 240, 255, 0.3);
            border-color: var(--accent-cyan);
        }
        
        .tip-number {
            font-size: 3rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 15px;
        }
        
        .tip-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        
        .tip-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        
        .strategy-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            border: 1px solid var(--border-glow);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-top: 50px;
        }
        
        .strategy-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }
        
        .strategy-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        
        .strategy-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0,240,255,0.2), transparent);
            border-radius: var(--radius-md);
        }
        
        .step-list {
            list-style: none;
            padding: 0;
        }
        
        .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 25px;
            align-items: flex-start;
        }
        
        .step-icon {
            width: 50px;
            height: 50px;
            min-width: 50px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #0F0C20;
        }
        
        .step-content h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 5px;
            color: var(--text-white);
        }
        
        .step-content p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            margin-bottom: 15px;
            overflow: hidden;
            transition: 0.3s;
        }
        
        .faq-question {
            padding: 20px 30px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            transition: 0.2s;
        }
        
        .faq-question:hover {
            background: rgba(0, 240, 255, 0.05);
        }
        
        .faq-question i {
            transition: transform 0.3s;
            color: var(--accent-cyan);
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s;
            color: var(--text-silver);
            line-height: 1.7;
            padding: 0 30px;
        }
        
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 30px 20px 30px;
        }
        
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(204, 255, 0, 0.1));
            border: 2px solid var(--accent-cyan);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(0, 240, 255, 0.15) 0%, transparent 60%);
            animation: rotate 10s linear infinite;
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 15px;
        }
        
        .cta-section p {
            color: var(--text-silver);
            font-size: 1.1rem;
            margin-bottom: 30px;
        }
        
        .btn-lg {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: #0F0C20;
            padding: 16px 40px;
            border-radius: 40px;
            font-weight: 900;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 6px 25px rgba(204,255,0,0.5);
        }
        
        .btn-lg:hover {
            transform: scale(1.08);
            box-shadow: 0 8px 35px rgba(0,240,255,0.8);
        }
        
        .footer {
            background: var(--bg-secondary);
            padding: 50px 0 30px;
            border-top: 2px solid var(--border-glow);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime)) 1;
            border-radius: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: pulse-glow 2s infinite;
        }
        
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
        }
        
        .fab-left i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }
        
        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 15px rgba(0, 240, 255, 0.5); }
            50% { box-shadow: 0 0 25px rgba(0, 240, 255, 0.8); }
        }
        
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2.2rem;
            }
            
            .tips-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
            
            .strategy-section {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(15, 12, 32, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                border-bottom: 2px solid var(--border-glow);
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-actions {
                gap: 8px;
            }
            
            .btn-login {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            
            .page-hero {
                padding: 50px 0;
            }
            
            .page-hero h1 {
                font-size: 1.8rem;
            }
            
            .hero-desc {
                font-size: 1rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .tips-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-section {
                padding: 40px 20px;
            }
            
            .cta-section h2 {
                font-size: 1.6rem;
            }
            
            .fab-left {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            
            .fab-left i {
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1rem;
            }
            
            .page-hero h1 {
                font-size: 1.5rem;
            }
            
            .btn-primary, .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            
            .tip-card {
                padding: 20px;
            }
        }

/* roulang page: category4 */
: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);
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.6);
        }

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            z-index: 100;
            transition: background 0.3s ease;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
            padding-bottom: 6px;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.2s;
            text-decoration: none;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border: none;
            color: #0F0C20;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(204, 255, 0, 0.3);
        }

        .btn-signup:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0, 240, 255, 0.6);
        }

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

        /* Category Hero */
        .category-hero {
            margin-top: 70px;
            padding: 60px 20px;
            background: linear-gradient(135deg, rgba(11, 26, 48, 0.95), rgba(15, 12, 32, 0.9)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            border-bottom: 2px solid rgba(0, 240, 255, 0.25);
            position: relative;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 40%, rgba(0, 240, 255, 0.1), transparent 60%);
            pointer-events: none;
        }

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

        .cat-badge {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            border: 1px solid var(--accent-lime);
            color: var(--accent-lime);
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Pain Point Block */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin: 40px 0;
        }

        .pain-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: 0.25s;
            backdrop-filter: blur(10px);
        }

        .pain-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
            transform: translateY(-4px);
        }

        .pain-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 14px;
        }

        .pain-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }

        .pain-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Solution Roadmap */
        .roadmap {
            display: flex;
            flex-direction: column;
            gap: 32px;
            margin: 40px 0;
        }

        .roadmap-step {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            background: rgba(255, 255, 255, 0.02);
            border-left: 3px solid var(--accent-cyan);
            padding: 24px 28px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            transition: 0.2s;
        }

        .roadmap-step:hover {
            background: rgba(255, 255, 255, 0.05);
            border-left-color: var(--accent-lime);
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            color: #0F0C20;
        }

        .step-content h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-white);
        }

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

        /* Stats Badges */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: flex-start;
            margin: 40px 0;
            padding: 30px;
            background: rgba(0, 240, 255, 0.05);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .stat-badge h2 {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--accent-lime);
            margin-bottom: 4px;
        }

        .stat-badge p {
            color: var(--text-silver);
            font-size: 0.9rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* News Grid */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
            margin: 40px 0;
        }

        .news-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.1);
            transition: 0.3s;
            box-shadow: var(--shadow-card);
        }

        .news-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
            transform: translateY(-6px);
        }

        .news-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .news-body {
            padding: 20px;
        }

        .news-tag {
            display: inline-block;
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-lime);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .news-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .news-body p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-section summary {
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 16px 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--text-white);
            transition: 0.2s;
            outline: none;
        }

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

        .faq-section p {
            padding: 14px 0;
            color: var(--text-silver);
            line-height: 1.6;
            font-size: 0.95rem;
        }

        /* CTA */
        .cta-block {
            text-align: left;
            margin: 50px 0;
            padding: 40px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(204, 255, 0, 0.05));
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-glow);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #CCFF00, #00F0FF) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            transition: 0.25s;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: floatFab 3s ease-in-out infinite;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
        }

        @keyframes floatFab {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 2px solid rgba(0, 240, 255, 0.2);
            padding: 40px 20px 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
        }

        @media(max-width:1024px) {
            .nav-links {
                gap: 18px;
            }
            .hero-title {
                font-size: 2.6rem;
            }
        }

        @media(max-width:768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px;
                border-bottom: 1px solid var(--border-glow);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .roadmap-step {
                flex-direction: column;
            }
            .stats-row {
                gap: 24px;
            }
            .fab-left {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }

        @media(max-width:520px) {
            .nav-container {
                height: 60px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .category-hero {
                padding: 40px 16px;
                margin-top: 60px;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

/* 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);
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.6);
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        a, button {
            cursor: pointer;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* Fixed Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            z-index: 100;
            transition: background 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .nav-logo {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
            padding-bottom: 6px;
            white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.2s;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: 0 0 12px rgba(0,240,255,0.4);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            border: none;
            color: #0F0C20;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 0.9rem;
            cursor: pointer;
            transition: 0.25s;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(204,255,0,0.3);
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(0,240,255,0.6);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-cyan);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Mobile Nav */
        .mobile-nav-overlay {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            height: calc(100vh - 70px);
            background: rgba(15, 12, 32, 0.97);
            backdrop-filter: blur(15px);
            z-index: 99;
            display: none;
            flex-direction: column;
            padding: 20px 30px;
            gap: 20px;
        }
        .mobile-nav-overlay.active {
            display: flex;
        }
        .mobile-nav-overlay a {
            color: var(--text-silver);
            font-size: 1.2rem;
            font-weight: 600;
            transition: color 0.2s;
        }
        .mobile-nav-overlay a:hover, .mobile-nav-overlay a.active-mob {
            color: var(--accent-cyan);
        }
        /* Page Hero */
        .page-hero {
            margin-top: 70px;
            background: linear-gradient(135deg, rgba(11,26,48,0.9), rgba(15,12,32,0.95)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 80px 0 60px;
            position: relative;
            border-bottom: 1px solid var(--border-glow);
        }
        .page-hero-content {
            max-width: 800px;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(to right, #FFFFFF, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 0 0 16px;
            line-height: 1.2;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-silver);
            max-width: 650px;
        }
        .hero-countdown-bar {
            display: flex;
            gap: 30px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(0,240,255,0.1);
            border: 1px solid rgba(0,240,255,0.3);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            text-align: center;
            min-width: 80px;
        }
        .countdown-item span {
            display: block;
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-lime);
        }
        .countdown-item small {
            color: var(--text-silver);
            font-size: 0.8rem;
            text-transform: uppercase;
        }
        .hero-cta-btns {
            display: flex;
            gap: 15px;
            margin-top: 25px;
            flex-wrap: wrap;
        }
        .btn-primary-glow {
            background: var(--accent-cyan);
            color: #0F0C20;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1rem;
            transition: 0.25s;
            box-shadow: 0 4px 20px rgba(0,240,255,0.4);
            border: none;
            display: inline-block;
            text-align: center;
        }
        .btn-primary-glow:hover {
            background: var(--accent-lime);
            box-shadow: 0 6px 25px rgba(204,255,0,0.5);
            transform: translateY(-2px);
        }
        .btn-outline-glow {
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: 0.25s;
            background: transparent;
            display: inline-block;
            text-align: center;
        }
        .btn-outline-glow:hover {
            background: rgba(0,240,255,0.15);
            box-shadow: 0 0 15px rgba(0,240,255,0.3);
        }
        /* Content Sections */
        .section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .section-desc {
            color: var(--text-silver);
            margin-bottom: 40px;
            font-size: 1.05rem;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
            gap: 30px;
        }
        .news-card {
            background: var(--bg-secondary);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: 0.3s;
            box-shadow: var(--shadow-card);
        }
        .news-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-cyan);
            box-shadow: 0 12px 35px rgba(0,240,255,0.25);
        }
        .news-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .news-card-body {
            padding: 20px;
        }
        .news-tag {
            background: rgba(204,255,0,0.15);
            color: var(--accent-lime);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 10px;
        }
        .news-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 0 8px;
        }
        .news-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            margin: 0 0 12px;
        }
        .news-card .read-more {
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: 0.2s;
        }
        .news-card .read-more:hover {
            color: var(--accent-lime);
        }
        /* Pain - Solution - Result Flow */
        .flow-panel {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 40px 30px;
            border: 1px solid rgba(255,255,255,0.06);
            margin-bottom: 30px;
        }
        .flow-step {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            margin-bottom: 30px;
        }
        .flow-step:last-child {
            margin-bottom: 0;
        }
        .flow-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(0,240,255,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }
        .flow-text h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 6px;
        }
        .flow-text p {
            color: var(--text-silver);
            margin: 0;
        }
        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 18px 0;
            cursor: pointer;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--text-silver);
            padding-top: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding-top: 12px;
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0,240,255,0.08), rgba(204,255,0,0.05));
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            text-align: center;
            border: 1px solid var(--border-glow);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-silver);
            margin-bottom: 25px;
        }
        /* Footer */
        .footer {
            background: #08061A;
            padding: 50px 0 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer h4 {
            color: white;
            margin-bottom: 10px;
            font-size: 1rem;
        }
        .footer a, .footer p {
            color: var(--text-silver);
            font-size: 0.9rem;
            display: block;
            margin-bottom: 6px;
        }
        .footer-copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 20px;
            padding-top: 15px;
            text-align: center;
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        /* Left FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 80px;
            z-index: 50;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(15,12,32,0.8);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            cursor: pointer;
            transition: 0.3s;
            box-shadow: 0 0 15px rgba(0,240,255,0.45);
        }
        .fab-left::before {
            content: '';
            position: absolute;
            top: -3px;
            left: -3px;
            right: -3px;
            bottom: -3px;
            z-index: -1;
            border-radius: 50%;
            background: linear-gradient(135deg, #00F0FF, #CCFF00);
            opacity: 0.8;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0,240,255,0.7);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 16px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .hero-countdown-bar {
                gap: 15px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .nav-container {
                height: 60px;
            }
            .btn-signup, .btn-login {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .page-hero {
                padding: 40px 0;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
        }