/* roulang page: index */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        
        :root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-neon: #00F0FF;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 20px rgba(204, 255, 0, 0.4);
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
        }

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

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
        }

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

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background: rgba(15, 12, 32, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

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

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            -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: 2rem;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-silver);
            position: relative;
            padding: 0.25rem 0;
            transition: color 0.3s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.3s ease;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #FFFFFF;
        }

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

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

        .btn-login {
            background: transparent;
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 1.25rem;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 2rem;
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
        }

        .btn-signup {
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            color: #0F0C20;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.6rem 1.5rem;
            border-radius: 2rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.55);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: #FFFFFF;
            font-size: 1.5rem;
            border: none;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: rgba(15, 12, 32, 0.98);
            backdrop-filter: blur(20px);
            padding: 2rem 1.5rem;
            flex-direction: column;
            gap: 1.5rem;
            z-index: 999;
            border-bottom: 2px solid var(--accent-cyan);
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.1rem;
            font-weight: 600;
            color: #FFFFFF;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            transition: background 0.3s ease;
        }

        .mobile-menu a:hover {
            background: rgba(0, 240, 255, 0.1);
        }

        .mobile-menu .btn-login-mobile,
        .mobile-menu .btn-signup-mobile {
            display: block;
            text-align: center;
            padding: 0.75rem;
            border-radius: 2rem;
            font-weight: 700;
            margin-top: 0.5rem;
        }

        .mobile-menu .btn-login-mobile {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #FFFFFF;
        }

        .mobile-menu .btn-signup-mobile {
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            color: #0F0C20;
        }

        /* Hero Section - Full Width Immersive KV */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 26, 48, 0.85) 0%, rgba(15, 12, 32, 0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 2rem;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.4rem 1.25rem;
            border-radius: 2rem;
            margin-bottom: 1.5rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            backdrop-filter: blur(10px);
        }

        .hero-title {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, #FFFFFF 20%, #CCFF00 60%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-silver);
            max-width: 680px;
            margin: 0 auto 2rem;
            line-height: 1.65;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin-bottom: 2.5rem;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            color: #0F0C20;
            font-weight: 800;
            font-size: 1.05rem;
            padding: 1rem 2.25rem;
            border-radius: 3rem;
            transition: all 0.3s ease;
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.4);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(204, 255, 0, 0.5);
        }

        .btn-hero-secondary {
            background: transparent;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 1rem 2.25rem;
            border-radius: 3rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all 0.3s ease;
        }

        .btn-hero-secondary:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
        }

        .countdown-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 3rem;
            padding: 0.85rem 2rem;
            max-width: 480px;
            margin: 0 auto;
        }

        .countdown-item {
            text-align: center;
        }

        .countdown-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-lime);
            line-height: 1;
        }

        .countdown-label {
            font-size: 0.7rem;
            color: var(--text-silver);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .countdown-separator {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }

        /* Sections General */
        .section {
            padding: 5rem 0;
        }

        .section-header {
            margin-bottom: 3rem;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-cyan);
            margin-bottom: 0.75rem;
            border-left: 3px solid var(--accent-lime);
            padding-left: 0.75rem;
        }

        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 680px;
        }

        /* Commission Highlights */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }

        .highlight-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            backdrop-filter: blur(10px);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .highlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #CCFF00, #00F0FF);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .highlight-card:hover::before {
            transform: scaleX(1);
        }

        .highlight-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.1);
            transform: translateY(-4px);
        }

        .highlight-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 1.25rem;
        }

        .highlight-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .highlight-card p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        .highlight-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-lime);
            margin-top: 1rem;
        }

        /* Promotional Materials */
        .materials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .material-card {
            background: rgba(11, 26, 48, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 2rem;
            text-align: left;
            backdrop-filter: blur(12px);
            transition: all 0.3s ease;
        }

        .material-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.15);
        }

        .material-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 1.25rem;
        }

        .material-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .material-card p {
            font-size: 0.9rem;
            color: var(--text-silver);
            margin-bottom: 1.25rem;
        }

        .btn-material {
            display: inline-block;
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.55rem 1.5rem;
            border-radius: 2rem;
            border: 1px solid var(--accent-cyan);
            transition: all 0.3s ease;
        }

        .btn-material:hover {
            background: var(--accent-cyan);
            color: #0F0C20;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
        }

        /* News & Updates */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            gap: 1.25rem;
            padding: 1rem 1.25rem;
            background: rgba(255, 255, 255, 0.02);
            border-left: 3px solid transparent;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }

        .news-item:hover {
            border-left-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        .news-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-lime);
            white-space: nowrap;
            min-width: 80px;
        }

        .news-text h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .news-text p {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        .news-empty {
            color: var(--text-silver);
            font-style: italic;
            padding: 2rem;
            text-align: center;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .news-sidebar-card {
            background: rgba(11, 26, 48, 0.5);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            backdrop-filter: blur(10px);
        }

        .news-sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--accent-cyan);
        }

        .news-sidebar-card p {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        .btn-sidebar {
            display: inline-block;
            margin-top: 0.75rem;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent-lime);
            transition: color 0.3s ease;
        }

        .btn-sidebar:hover {
            color: #FFFFFF;
        }

        /* Entry Matrix */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.25rem;
        }

        .entry-card {
            background: rgba(11, 26, 48, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 2rem 1.25rem;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .entry-card:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }

        .entry-card i {
            font-size: 2rem;
            color: var(--accent-lime);
            margin-bottom: 1rem;
        }

        .entry-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        /* FAB */
        .fab-container {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .fab-btn {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.8);
            backdrop-filter: blur(15px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            transition: all 0.35s ease;
            position: relative;
            cursor: pointer;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }

        .fab-btn::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            padding: 2px;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            -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;
            opacity: 0.5;
            transition: opacity 0.3s ease;
        }

        .fab-btn:hover {
            transform: scale(1.12);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.55);
            opacity: 1;
        }

        .fab-btn:hover::before {
            opacity: 1;
        }

        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 10px;
            height: 10px;
            background: #FF007F;
            border-radius: 50%;
            animation: blink 1.5s infinite;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; box-shadow: 0 0 6px #FF007F; }
            50% { opacity: 0.4; box-shadow: 0 0 12px #FF007F; }
        }

        /* Footer */
        .site-footer {
            background: rgba(11, 26, 48, 0.8);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #FFFFFF;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-silver);
            margin-bottom: 0.5rem;
            transition: color 0.3s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-silver);
        }

        .footer-bottom span {
            color: var(--accent-cyan);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .materials-grid {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section {
                padding: 3rem 0;
            }
            .countdown-bar {
                flex-wrap: wrap;
                padding: 0.75rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                text-align: center;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.6);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(0, 240, 255, 0.15);
            --glow-blue: 0 0 15px rgba(0, 82, 255, 0.5);
            --glow-cyan: 0 0 15px rgba(0, 240, 255, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --content-max: 820px;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            background-image: 
                radial-gradient(ellipse at 20% 20%, rgba(0, 82, 255, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 60%, rgba(0, 240, 255, 0.06) 0%, transparent 50%);
            background-attachment: fixed;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .content-container {
            width: 100%;
            max-width: var(--content-max);
            margin-left: auto;
            margin-right: auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

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

        .logo {
            font-weight: 800;
            font-size: 1.4rem;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-silver);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.05);
        }

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.1);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 0.55rem 1.3rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            border: 1px solid var(--border-subtle);
            color: var(--text-white);
            background: transparent;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }

        .btn-signup {
            padding: 0.55rem 1.3rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 700;
            border: none;
            color: #000;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: var(--glow-cyan);
        }

        .btn-signup:hover {
            filter: brightness(1.15);
            transform: translateY(-1px);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.5);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            line-height: 1;
        }

        .article-hero {
            padding: 3rem 0 2rem;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 2.5rem;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.25);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 1.25rem;
        }

        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.25rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 1.25rem;
        }

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

        .article-thumbnail {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            margin-bottom: 2.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-silver);
            padding-bottom: 3rem;
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-subtle);
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }

        .article-body p {
            margin-bottom: 1.25rem;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.5rem;
            padding-left: 1.75rem;
        }

        .article-body li {
            margin-bottom: 0.5rem;
        }

        .article-body strong {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            border: 1px solid var(--border-subtle);
        }

        .article-body blockquote {
            border-left: 3px solid var(--accent-cyan);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: rgba(0, 240, 255, 0.03);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-silver);
            font-style: italic;
        }

        .article-not-found {
            text-align: center;
            padding: 5rem 2rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .article-not-found h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 2rem;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #000;
            box-shadow: var(--glow-cyan);
            transition: var(--transition-base);
        }

        .btn-back-home:hover {
            filter: brightness(1.15);
            transform: translateY(-2px);
        }

        .cta-section {
            padding: 3rem 0 4rem;
            text-align: center;
        }

        .cta-card {
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            max-width: 700px;
            margin: 0 auto;
            box-shadow: var(--shadow-card);
        }

        .cta-card h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .cta-card p {
            color: var(--text-silver);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .cta-card .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 2.5rem;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1.1rem;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #000;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .cta-card .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            filter: brightness(1.1);
        }

        .site-footer {
            background: rgba(8, 9, 15, 0.9);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

        .footer-col a,
        .footer-col p {
            display: block;
            color: var(--text-silver);
            font-size: 0.88rem;
            margin-bottom: 0.5rem;
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        .footer-bottom span {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50px;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.5);
            transition: var(--transition-base);
            color: var(--accent-cyan);
            font-size: 1.4rem;
            opacity: 0.65;
            animation: fabPulse 3s ease-in-out infinite;
        }

        .fab-left::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            z-index: -1;
            opacity: 0.7;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
        }

        .fab-left .badge-dot {
            position: absolute;
            top: 6px;
            right: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #FF007F;
            box-shadow: 0 0 8px #FF007F;
            animation: blinkDot 1.2s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }

            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.95);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1rem 1.5rem 1.5rem;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 99;
                gap: 0.5rem;
            }

            .nav-links.open {
                transform: translateY(0);
            }

            .nav-links a {
                width: 100%;
                padding: 0.75rem 1rem;
                font-size: 1rem;
            }

            .mobile-menu-btn {
                display: block;
            }

            .header-actions {
                gap: 0.5rem;
            }

            .btn-login,
            .btn-signup {
                padding: 0.45rem 0.9rem;
                font-size: 0.8rem;
            }

            .article-hero h1 {
                font-size: 1.7rem;
            }

            .article-body {
                font-size: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }

            .fab-left {
                width: 46px;
                height: 46px;
                left: 0.75rem;
                bottom: 5rem;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
            }

            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .article-hero h1 {
                font-size: 1.45rem;
            }

            .article-meta {
                font-size: 0.8rem;
                gap: 0.75rem;
            }

            .cta-card {
                padding: 1.5rem 1.25rem;
            }

            .cta-card h3 {
                font-size: 1.3rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }

            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.7rem;
                font-size: 0.75rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.65);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 240, 255, 0.25);
            --border-card: rgba(0, 82, 255, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-blue: 0 0 20px rgba(0, 82, 255, 0.35);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --spacing-xl: 5rem;
            --spacing-lg: 3.5rem;
            --spacing-md: 2.5rem;
            --spacing-sm: 1.5rem;
            --glass-bg: rgba(8, 9, 15, 0.7);
            --glass-border: rgba(0, 240, 255, 0.15);
            --glass-blur: blur(14px);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', 'SF Pro Text', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(ellipse at 30% 10%, rgba(0, 240, 255, 0.06) 0%, transparent 55%),
                        radial-gradient(ellipse at 70% 80%, rgba(0, 82, 255, 0.07) 0%, transparent 55%);
            z-index: 0;
            pointer-events: none;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all 0.25s ease;
        }
        .btn:focus-visible, a:focus-visible {
            outline: 2px dashed var(--accent-cyan);
            outline-offset: 3px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: var(--glass-bg);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border-bottom: 1px solid var(--glass-border);
            padding: 0.85rem 0;
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-white);
            background: linear-gradient(135deg, #FFFFFF 0%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-silver);
            position: relative;
            padding-bottom: 4px;
            transition: color 0.2s;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.25s ease;
            box-shadow: 0 0 6px var(--accent-cyan);
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-cyan);
        }
        .nav-links a:hover::after, .nav-links a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn-login {
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.4);
            padding: 0.55rem 1.5rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.25s;
        }
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }
        .btn-signup {
            background: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            color: #000;
            padding: 0.55rem 1.5rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(0, 240, 255, 0.3);
        }
        .btn-signup:hover {
            box-shadow: 0 6px 22px rgba(0, 240, 255, 0.5);
            transform: translateY(-1px);
        }
        .btn-signup:active {
            transform: translateY(1px);
        }
        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--glass-border);
            padding: var(--spacing-md) 0 1.5rem;
            margin-top: var(--spacing-xl);
            position: relative;
            z-index: 5;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 0.8rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-silver);
            font-size: 0.88rem;
            margin-bottom: 0.45rem;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 1.2rem;
            text-align: center;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .footer-bottom span {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1.5rem;
            bottom: 5.5rem;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 999px;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1.5px solid transparent;
            border-image: linear-gradient(135deg, #0052FF, #00F0FF) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            box-shadow: var(--shadow-neon);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .fab-floating:hover {
            box-shadow: 0 0 28px rgba(0,240,255,0.7);
            transform: scale(1.08);
        }
        .fab-floating:active {
            transform: scale(0.95);
        }

        /* Page Specific */
        .page-hero {
            padding: 9rem 0 4rem;
            position: relative;
            z-index: 5;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            position: relative;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,15,0.82) 0%, rgba(8,9,15,0.88) 100%);
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
            letter-spacing: -0.5px;
            color: var(--text-white);
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--text-silver);
            max-width: 700px;
            line-height: 1.6;
        }
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all 0.3s ease;
        }
        .glass-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }
        .btn-primary {
            background: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            color: #000;
            font-weight: 700;
            padding: 0.8rem 2.2rem;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 16px rgba(0,240,255,0.3);
            font-size: 1rem;
        }
        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(0,240,255,0.5);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 700;
            padding: 0.75rem 2rem;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-secondary:hover {
            background: rgba(0,240,255,0.05);
            box-shadow: 0 0 14px rgba(0,240,255,0.25);
        }
        .progress-ring {
            width: 130px;
            height: 130px;
            border-radius: 50%;
            background: conic-gradient(var(--accent-cyan) 0deg 288deg, rgba(255,255,255,0.1) 288deg 360deg);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 22px rgba(0,240,255,0.35);
            margin: 0 auto 1.5rem;
        }
        .progress-inner {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--bg-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--accent-cyan);
        }
        .faq-item {
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 1.2rem 0;
        }
        .faq-item summary {
            font-weight: 700;
            cursor: pointer;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-white);
        }
        .faq-item p {
            margin-top: 0.7rem;
            color: var(--text-silver);
        }
        .tier-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            transition: 0.3s;
            text-align: left;
        }
        .tier-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0,240,255,0.2);
        }
        .tier-badge {
            background: rgba(0,240,255,0.1);
            color: var(--accent-cyan);
            padding: 0.25rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 0.8rem;
        }

        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: repeat(2,1fr); }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-menu-btn { display: block; }
            .section-title { font-size: 1.8rem; }
            .header-actions { gap: 0.5rem; }
            .btn-login, .btn-signup { padding: 0.5rem 1.2rem; font-size: 0.85rem; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .page-hero { padding: 7rem 0 3rem; }
            .section-title { font-size: 1.6rem; }
            .glass-card { padding: 1.4rem; }
        }

/* roulang page: category2 */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        :root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --accent-electric: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-warm: #F5F5F7;
            --border-glow: rgba(0, 240, 255, 0.25);
            --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.4);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color 0.2s; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 var(--spacing-md); }
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 1rem;
            transition: all 0.3s ease; cursor: pointer; border: none; letter-spacing: 0.3px;
            gap: 8px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-electric), #0070FF);
            color: #fff; box-shadow: 0 6px 24px rgba(0, 82, 255, 0.4);
        }
        .btn-primary:hover { box-shadow: 0 10px 32px rgba(0, 82, 255, 0.6); transform: translateY(-2px); }
        .btn-outline {
            background: transparent; color: var(--accent-cyan);
            border: 1.5px solid var(--accent-cyan); box-shadow: 0 0 12px rgba(0,240,255,0.15);
        }
        .btn-outline:hover { background: rgba(0,240,255,0.08); box-shadow: 0 0 24px rgba(0,240,255,0.35); }
        .glass-card {
            background: rgba(13, 17, 30, 0.75);
            backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-md);
            box-shadow: 0 15px 40px rgba(0,0,0,0.5);
        }
        .header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(8,9,15,0.85); backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,240,255,0.12);
            padding: 0.9rem 0;
        }
        .header .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
        .logo {
            font-weight: 800; font-size: 1.35rem;
            background: linear-gradient(to right, #fff, var(--accent-cyan));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            letter-spacing: -0.3px;
        }
        .nav-links { display: flex; align-items: center; gap: 2rem; }
        .nav-links a {
            font-weight: 500; font-size: 0.95rem; color: var(--text-silver);
            position: relative; padding-bottom: 4px;
        }
        .nav-links a:hover { color: #fff; }
        .nav-links a.active { color: var(--accent-cyan); font-weight: 700; }
        .nav-links a.active::after {
            content: ''; position: absolute; bottom: 0; left: 0; width: 100%;
            height: 2px; background: var(--accent-cyan); border-radius: 2px;
        }
        .header-buttons { display: flex; align-items: center; gap: 12px; }
        .btn-login { background: transparent; color: #fff; border: none; font-weight: 500; padding: 8px 18px; border-radius: 50px; cursor: pointer; }
        .btn-login:hover { color: var(--accent-cyan); }
        .btn-signup { background: var(--accent-electric); color: #fff; font-weight: 600; padding: 10px 24px; border-radius: 50px; border: none; cursor: pointer; box-shadow: 0 4px 16px rgba(0,82,255,0.45); transition: all 0.3s; }
        .btn-signup:hover { background: #1A6AFF; transform: translateY(-1px); }
        .mobile-menu-btn { display: none; background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer; }
        .hero-section {
            background: linear-gradient(160deg, #08090F 0%, #0D111E 50%, #0A1628 100%);
            position: relative; overflow: hidden; padding: 5rem 0 5rem;
        }
        .hero-section::before {
            content: ''; position: absolute; top: -20%; right: -15%;
            width: 600px; height: 600px; background: radial-gradient(circle, rgba(0,240,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; position: relative; z-index: 1; }
        .hero-title { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; line-height: 1.15; margin-bottom: 1.25rem; }
        .hero-title span { color: var(--accent-cyan); }
        .hero-desc { color: var(--text-silver); font-size: 1.1rem; line-height: 1.7; margin-bottom: 2rem; max-width: 540px; }
        .hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
        .rank-panel {
            background: rgba(13,17,30,0.8); backdrop-filter: blur(12px);
            border: 1px solid rgba(0,240,255,0.2); border-radius: var(--radius-md);
            padding: 2rem;
        }
        .rank-item { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
        .rank-item:last-child { border-bottom: none; }
        .rank-pos { font-weight: 700; color: var(--accent-cyan); width: 28px; }
        .rank-name { flex: 1; color: var(--text-warm); }
        .rank-value { color: #FFD700; font-weight: 600; }
        .section { padding: var(--spacing-xl) 0; }
        .section-title { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
        .section-sub { color: var(--text-silver); font-size: 1.05rem; margin-bottom: 2.5rem; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-bottom: 3rem; }
        .stat-card {
            background: rgba(13,17,30,0.7); backdrop-filter: blur(16px);
            border: 1px solid rgba(0,240,255,0.15); border-radius: var(--radius-sm);
            padding: 1.8rem 1.5rem; text-align: center;
        }
        .stat-value { font-size: 2.2rem; font-weight: 800; background: linear-gradient(to bottom, #fff, var(--accent-cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .stat-label { color: var(--text-silver); font-size: 0.9rem; margin-top: 0.4rem; }
        .code-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.8rem; margin-bottom: 2.5rem; }
        .code-card {
            background: rgba(13,17,30,0.7); backdrop-filter: blur(16px);
            border: 1px solid rgba(0,240,255,0.18); border-radius: var(--radius-md);
            padding: 1.8rem; transition: all 0.3s;
        }
        .code-card:hover { border-color: rgba(0,240,255,0.5); box-shadow: 0 0 30px rgba(0,240,255,0.2); transform: translateY(-3px); }
        .code-badge {
            display: inline-block; background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #fff; font-weight: 700; padding: 4px 14px; border-radius: 20px; font-size: 0.8rem;
            margin-bottom: 0.8rem;
        }
        .code-text {
            font-size: 1.6rem; font-weight: 800; letter-spacing: 2px; color: var(--accent-cyan);
            background: rgba(0,240,255,0.08); padding: 10px 16px; border-radius: 8px;
            display: inline-block; margin: 0.6rem 0;
        }
        .code-desc { color: var(--text-silver); font-size: 0.9rem; margin-top: 0.5rem; }
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 2rem; }
        .step-card {
            background: rgba(13,17,30,0.6); backdrop-filter: blur(12px);
            border: 1px solid rgba(0,240,255,0.12); border-radius: var(--radius-md);
            padding: 2rem 1.5rem; text-align: left; transition: 0.3s;
        }
        .step-number {
            width: 48px; height: 48px; border-radius: 50%;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            display: flex; align-items: center; justify-content: center;
            font-weight: 800; font-size: 1.4rem; margin-bottom: 1rem;
        }
        .faq-list { max-width: 820px; margin: 0 auto; }
        .faq-item {
            background: rgba(13,17,30,0.5); backdrop-filter: blur(8px);
            border: 1px solid rgba(0,240,255,0.1); border-radius: var(--radius-sm);
            padding: 1.5rem; margin-bottom: 1rem; cursor: pointer;
        }
        .faq-q { font-weight: 700; font-size: 1.05rem; display: flex; justify-content: space-between; align-items: center; }
        .faq-a { color: var(--text-silver); margin-top: 0.8rem; font-size: 0.95rem; line-height: 1.6; display: none; }
        .faq-item.open .faq-a { display: block; }
        .cta-section {
            background: linear-gradient(160deg, #0A1628, #0D111E);
            border-top: 1px solid rgba(0,240,255,0.1);
            padding: 4rem 0; text-align: center;
        }
        .site-footer {
            background: #06080D; padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-bottom: 2rem; }
        .footer-col h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 1rem; color: #fff; }
        .footer-col a, .footer-col p { display: block; color: var(--text-silver); font-size: 0.9rem; margin-bottom: 0.5rem; transition: color 0.2s; }
        .footer-col a:hover { color: var(--accent-cyan); }
        .footer-bottom { text-align: center; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.06); color: #8892a4; font-size: 0.82rem; }
        .footer-bottom span { color: var(--accent-cyan); }
        /* FAB */
        .fab {
            position: fixed; left: 1.5rem; bottom: 5rem; z-index: 95;
            width: 56px; height: 56px; border-radius: 50%;
            background: rgba(13,17,30,0.8); backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex; align-items: center; justify-content: center;
            cursor: pointer; box-shadow: 0 0 20px rgba(0,240,255,0.45);
            transition: all 0.3s;
        }
        .fab::before {
            content: ''; position: absolute; inset: -3px; border-radius: 50%;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            z-index: -1; opacity: 0.7;
        }
        .fab:hover { box-shadow: 0 0 35px rgba(0,240,255,0.7); transform: scale(1.08); }
        .fab-icon { font-size: 1.6rem; color: #fff; }
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: 1fr 1fr; }
            .code-list { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; flex-direction: column; background: rgba(8,9,15,0.98); position: absolute; top: 100%; left: 0; width: 100%; padding: 1.5rem; gap: 1.2rem; }
            .nav-links.open { display: flex; }
            .mobile-menu-btn { display: block; }
            .header-buttons { gap: 8px; }
            .steps-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .hero-buttons { flex-direction: column; }
            .btn { width: 100%; }
            .fab { left: 0.8rem; bottom: 4rem; width: 48px; height: 48px; }
        }

/* roulang page: category3 */
:root {
            --bg-deep-black: #08090F;
            --bg-cyber-navy: #0D111E;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --card-bg: #111827;
            --glass-bg: rgba(17, 24, 39, 0.7);
            --border-glass: rgba(0, 82, 255, 0.3);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --shadow-glow: 0 0 20px rgba(0, 82, 255, 0.25);
            --shadow-cyan: 0 0 15px rgba(0, 240, 255, 0.4);
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--bg-deep-black);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            transition: all 0.3s ease;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo a {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            text-decoration: none;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            transition: color 0.2s ease;
            padding: 4px 0;
        }
        .nav-links a:hover {
            color: var(--accent-cyan);
        }
        .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);
            border-radius: 2px;
            box-shadow: var(--shadow-cyan);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--text-silver);
            color: var(--text-white);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            text-decoration: none;
            display: inline-block;
        }
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), #0039CC);
            color: white;
            border: none;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: var(--shadow-glow);
        }
        .btn-signup:hover {
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.5);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, var(--bg-cyber-navy), var(--bg-deep-black));
            border-bottom: 1px solid rgba(0, 82, 255, 0.15);
            padding: 64px 0 52px;
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08), transparent 70%);
            border-radius: 50%;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 900;
            background: linear-gradient(135deg, #FFFFFF, var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 14px;
        }
        .page-banner .breadcrumb {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .page-banner .breadcrumb a {
            color: var(--accent-cyan);
            text-decoration: none;
        }

        /* ===== Section Common ===== */
        .section { padding: 60px 0; }
        .section-dark { background: var(--bg-cyber-navy); }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            color: var(--text-silver);
            font-size: 1.05rem;
            margin-bottom: 36px;
            line-height: 1.6;
        }

        /* ===== Stats Dashboard ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-label {
            color: var(--text-silver);
            font-size: 0.9rem;
            margin-top: 6px;
        }

        /* ===== Strategy Matrix ===== */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .strategy-card {
            background: var(--card-bg);
            border: 1px solid rgba(0, 82, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .strategy-card:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .strategy-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(0, 82, 255, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }
        .strategy-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .strategy-card p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .strategy-card .card-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            margin-top: 12px;
        }

        /* ===== Comparison Table ===== */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 82, 255, 0.2);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .comparison-table thead th {
            background: var(--bg-cyber-navy);
            padding: 16px 18px;
            text-align: left;
            font-weight: 700;
            color: var(--accent-cyan);
            font-size: 0.9rem;
            border-bottom: 2px solid rgba(0, 82, 255, 0.3);
        }
        .comparison-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(0, 82, 255, 0.08);
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        .comparison-table tbody tr:hover {
            background: rgba(0, 82, 255, 0.05);
        }
        .comparison-table .highlight-cell {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(0, 82, 255, 0.12);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.2s ease;
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-white);
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px 22px;
        }
        .faq-answer p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.05));
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: var(--text-silver);
            margin-bottom: 24px;
            font-size: 1.02rem;
        }
        .btn-cta-primary {
            background: linear-gradient(135deg, var(--accent-blue), #0044CC);
            color: white;
            padding: 14px 36px;
            border-radius: 10px;
            border: none;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
        }
        .btn-cta-primary:hover {
            box-shadow: 0 0 40px rgba(0, 82, 255, 0.6);
            transform: translateY(-2px);
        }

        /* ===== FAB ===== */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50px;
            background: rgba(8, 9, 15, 0.75);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1.5px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.35);
        }
        .fab-left::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 52px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            z-index: -1;
            opacity: 0.8;
        }
        .fab-left:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
            transform: scale(1.1);
        }
        .fab-left i {
            color: var(--accent-cyan);
            font-size: 1.3rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-cyber-navy);
            border-top: 1px solid rgba(0, 82, 255, 0.2);
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(0, 82, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            color: var(--text-silver);
            font-size: 0.85rem;
        }
        .footer-bottom span {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .strategy-grid { grid-template-columns: repeat(2, 1fr); }
            .page-banner h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.97);
                backdrop-filter: blur(20px);
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(0, 82, 255, 0.2);
            }
            .nav-links.open { display: flex; }
            .mobile-menu-toggle { display: block; }
            .header-actions { gap: 8px; }
            .btn-login, .btn-signup { padding: 7px 14px; font-size: 0.8rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .strategy-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .page-banner { padding: 40px 0 36px; }
            .section { padding: 40px 0; }
            .cta-section { padding: 32px 20px; }
            .section-title { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .stats-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .header-inner { height: 58px; }
            .page-banner h1 { font-size: 1.55rem; }
            .btn-cta-primary { padding: 12px 24px; font-size: 0.95rem; }
        }