/* roulang page: index */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-card: rgba(8, 18, 41, 0.72);
            --bg-glass: rgba(8, 18, 41, 0.55);
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-holo: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(96, 165, 250, 0.18);
            --border-strong: rgba(56, 189, 248, 0.35);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 35px rgba(56, 189, 248, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 96px;
            --font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        input, select, textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Header & Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }

        .header.scrolled {
            background: rgba(3, 7, 18, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }

        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: var(--spacing-sm);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
        }

        .nav-logo-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.25px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 210px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links a {
            padding: 9px 15px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .btn-signup:hover {
            box-shadow: 0 0 24px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
        }

        /* Mobile menu toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-subtle);
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: all var(--transition-fast);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: rgba(3, 7, 18, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            z-index: 999;
            flex-direction: column;
            gap: 6px;
        }

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

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover {
            background: rgba(37, 99, 235, 0.15);
            color: var(--text-primary);
        }

        .mobile-menu a.active {
            background: rgba(37, 99, 235, 0.22);
            color: var(--accent-cyan);
        }

        .mobile-menu-actions {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 8px;
            padding-top: 12px;
            border-top: 1px solid var(--border-subtle);
        }

        .mobile-menu-actions .btn-login,
        .mobile-menu-actions .btn-signup {
            width: 100%;
            text-align: center;
            padding: 12px;
            font-size: 14px;
            border-radius: 10px;
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 130px 0 80px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/b2599b2e67c8972b.jpg');
            background-size: cover;
            background-position: center;
            z-index: 0;
            opacity: 0.35;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3,7,18,0.55) 0%, rgba(3,7,18,0.85) 60%, var(--bg-primary) 100%);
            z-index: 1;
        }

        .hero-grid-lines {
            position: absolute;
            inset: 0;
            background-image: 
                linear-gradient(rgba(37, 99, 235, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
            background-size: 48px 48px;
            z-index: 1;
            mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0.4) 70%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 0%, rgba(0,0,0,0.4) 70%, transparent 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 999px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.35);
            font-size: 12.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.4px;
            width: fit-content;
            white-space: nowrap;
        }

        .hero-badge .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #10B981;
            animation: pulseDot 1.8s infinite;
        }

        @keyframes pulseDot {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
            70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            color: var(--text-primary);
        }

        .hero-title .gradient-text {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue), var(--accent-holo));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-secondary);
            max-width: 540px;
            letter-spacing: 0.1px;
        }

        .hero-stats-row {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 3px;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--radius-sm);
            background: rgba(8, 18, 41, 0.5);
            border: 1px solid var(--border-subtle);
        }

        .hero-stat-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: -0.5px;
        }

        .hero-stat-label {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 6px;
        }

        .btn-primary {
            padding: 15px 32px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 22px rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            letter-spacing: 0.15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(56, 189, 248, 0.6);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #1D4ED8, #0EA5E9);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
        }

        .btn-outline {
            padding: 15px 30px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1.5px solid rgba(56, 189, 248, 0.5);
            transition: all var(--transition-fast);
            letter-spacing: 0.15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.2);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-glow);
        }

        .hero-right-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.2px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-right-title .icon-emoji {
            font-size: 20px;
        }

        .time-slot-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .time-slot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            background: rgba(3, 7, 18, 0.6);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .time-slot:hover {
            border-color: var(--border-strong);
            background: rgba(37, 99, 235, 0.1);
        }

        .time-slot .network-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .time-slot .network-speed {
            font-size: 11px;
            font-weight: 600;
            color: #10B981;
            background: rgba(16, 185, 129, 0.12);
            padding: 3px 8px;
            border-radius: 999px;
            letter-spacing: 0.4px;
        }

        .hero-right-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--border-subtle);
            font-size: 12.5px;
            color: var(--text-muted);
        }

        .hero-right-footer .live-indicator {
            display: flex;
            align-items: center;
            gap: 5px;
            color: #10B981;
            font-weight: 600;
        }

        /* Section styles */
        .section {
            padding: var(--spacing-xl) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .section-header.center {
            align-items: center;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.15);
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(56, 189, 248, 0.3);
            width: fit-content;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 15px;
            line-height: 1.65;
            color: var(--text-secondary);
            max-width: 620px;
            letter-spacing: 0.1px;
        }

        /* Security claims section */
        .security-claims {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-sm);
        }

        .security-claim {
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .security-claim:hover {
            border-color: var(--border-strong);
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
            transform: translateY(-3px);
        }

        .security-claim-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            border: 1px solid var(--border-subtle);
        }

        .security-claim h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
        }

        .security-claim p {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        /* Checklist section */
        .checklist-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .checklist-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .checklist-item:hover {
            background: rgba(37, 99, 235, 0.08);
        }

        .checklist-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(16, 185, 129, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #10B981;
            flex-shrink: 0;
            font-weight: 700;
        }

        .checklist-content h3 {
            font-size: 14.5px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 3px;
        }

        .checklist-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* Compliance badges */
        .compliance-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: flex-start;
        }

        .compliance-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            background: rgba(8, 18, 41, 0.6);
            border: 1px solid var(--border-subtle);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
        }

        .compliance-badge:hover {
            border-color: var(--border-strong);
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.1);
        }

        .compliance-badge .badge-icon {
            font-size: 18px;
        }

        /* Boundary section */
        .boundary-box {
            background: var(--bg-glass);
            border: 1px solid rgba(220, 38, 38, 0.25);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .boundary-box h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .boundary-box p {
            font-size: 14.5px;
            line-height: 1.65;
            color: var(--text-secondary);
        }

        .boundary-box .warning-icon {
            color: #F59E0B;
            font-size: 20px;
        }

        /* CMS news section */
        .cms-news-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-md);
        }

        .cms-news-main-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .cms-news-item {
            display: flex;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm);
            border-radius: var(--radius-md);
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            align-items: center;
        }

        .cms-news-item:hover {
            border-color: var(--border-strong);
            background: rgba(37, 99, 235, 0.08);
            transform: translateX(4px);
        }

        .cms-news-thumb {
            width: 76px;
            height: 58px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
        }

        .cms-news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .cms-news-thumb .placeholder-thumb {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--text-muted);
            background: rgba(37, 99, 235, 0.08);
        }

        .cms-news-info {
            flex: 1;
            min-width: 0;
        }

        .cms-news-info h4 {
            font-size: 14px;
            font-weight: 650;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 3px;
        }

        .cms-news-info p {
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 3px;
            font-size: 11.5px;
            color: var(--text-muted);
        }

        .cms-news-meta .meta-tag {
            padding: 2px 8px;
            border-radius: 999px;
            background: rgba(37, 99, 235, 0.18);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 10.5px;
            letter-spacing: 0.3px;
        }

        .cms-news-sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-sm);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }

        .cms-news-sidebar h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 4px;
        }

        .cms-sidebar-item {
            display: flex;
            gap: 10px;
            padding: 8px 6px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }

        .cms-sidebar-item:hover {
            background: rgba(37, 99, 235, 0.08);
        }

        .cms-sidebar-item .sidebar-index {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: rgba(37, 99, 235, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .cms-sidebar-item h5 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-sidebar-item p {
            font-size: 11.5px;
            color: var(--text-muted);
            margin-top: 3px;
        }

        .cms-empty-state {
            padding: var(--spacing-lg);
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
            background: var(--bg-glass);
            border: 1px dashed var(--border-subtle);
            border-radius: var(--radius-lg);
        }

        /* Trust endorsements */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-sm);
        }

        .trust-card {
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-smooth);
        }

        .trust-card:hover {
            border-color: var(--border-strong);
            box-shadow: 0 4px 24px rgba(37, 99, 235, 0.2);
        }

        .trust-card-header {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .trust-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.3), rgba(56, 189, 248, 0.3));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            color: var(--accent-cyan);
            border: 1px solid var(--border-subtle);
            flex-shrink: 0;
        }

        .trust-user-info {
            display: flex;
            flex-direction: column;
        }

        .trust-user-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .trust-user-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        .trust-card .trust-rating {
            display: flex;
            gap: 2px;
            color: #FACC15;
            font-size: 13px;
        }

        .trust-card p {
            font-size: 13.5px;
            line-height: 1.6;
            color: var(--text-secondary);
            font-style: italic;
        }

        .trust-card .trust-time {
            font-size: 11.5px;
            color: var(--text-muted);
            padding-top: 4px;
            border-top: 1px solid var(--border-subtle);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 780px;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-fast);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 14.5px;
            font-weight: 650;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

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

        .faq-toggle-icon {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: rgba(37, 99, 235, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-secondary);
        }

        /* Footer CTA */
        .footer-cta {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.15));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            text-align: center;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            margin-bottom: var(--spacing-lg);
        }

        .footer-cta h2 {
            font-size: clamp(1.4rem, 2.8vw, 2rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .footer-cta p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto var(--spacing-sm);
            line-height: 1.6;
        }

        .footer-cta .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 var(--spacing-sm);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }

        .footer-logo-text {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.25px;
        }

        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-muted);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 12.5px;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            font-size: 12.5px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* FAB - floating action button */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: rgba(3, 7, 18, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #A3E635, #06B6D4) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            opacity: 0.75;
            transition: all var(--transition-smooth);
            animation: fabBreath 3s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { opacity: 0.75; box-shadow: 0 0 20px rgba(6, 182, 212, 0.35); }
            50% { opacity: 0.95; box-shadow: 0 0 28px rgba(6, 182, 212, 0.55); }
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.65);
        }

        .fab:active {
            transform: scale(0.94);
            box-shadow: 0 0 14px rgba(236, 72, 153, 0.55);
        }

        .fab-notification {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #F43F5E;
            border: 2px solid #fff;
            animation: fabNotifPulse 1.6s infinite;
        }

        @keyframes fabNotifPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.3); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .hero-right {
                max-width: 100%;
            }
            .checklist-grid {
                grid-template-columns: 1fr;
            }
            .cms-news-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions {
                display: none;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .hero {
                padding: 110px 0 60px;
            }
            .hero-stats-row {
                gap: var(--spacing-xs);
            }
            .hero-stat {
                padding: 8px 10px;
            }
            .hero-stat-value {
                font-size: 18px;
            }
            .time-slot-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cms-news-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .cms-news-thumb {
                width: 100%;
                height: 140px;
            }
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
                letter-spacing: -0.5px;
            }
            .hero-desc {
                font-size: 14.5px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 6px;
            }
            .trust-grid {
                grid-template-columns: 1fr;
            }
            .compliance-road {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-cta {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .fab {
                left: 12px;
                bottom: 80px;
                width: 50px;
                height: 50px;
                border-radius: 16px;
                font-size: 20px;
            }
            .nav {
                height: 62px;
            }
            .mobile-menu {
                top: 62px;
            }
        }

        /* Focus states for accessibility */
        a:focus-visible, button:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-card: rgba(8, 18, 41, 0.72);
            --bg-glass: rgba(8, 18, 41, 0.55);
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-holo: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(96, 165, 250, 0.18);
            --border-strong: rgba(56, 189, 248, 0.35);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 35px rgba(56, 189, 248, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 96px;
            --font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        input, select, textarea {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        /* Header & Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .header.scrolled {
            background: rgba(3, 7, 18, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }
        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: var(--spacing-sm);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
            flex-shrink: 0;
        }
        .nav-logo-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.25px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 210px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 9px 15px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }
        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.25);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 18px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
        }
        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-signup:hover {
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: rgba(3, 7, 18, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            z-index: 999;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu a {
            padding: 14px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover, .mobile-menu a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.18);
        }
        .mobile-menu-actions {
            display: flex;
            gap: 10px;
            margin-top: var(--spacing-sm);
        }
        .mobile-menu-actions button {
            flex: 1;
        }
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .nav-actions {
                gap: 6px;
            }
            .btn-login {
                padding: 8px 14px;
                font-size: 12.5px;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 12.5px;
            }
            .nav-logo-text {
                font-size: 12.5px;
                max-width: 130px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
        }
        /* Article page specific styles */
        .article-main {
            padding-top: 70px;
            min-height: 70vh;
        }
        .breadcrumb {
            padding: 24px 0 12px;
            font-size: 13.5px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: var(--accent-cyan);
            font-weight: 500;
        }
        .article-hero {
            padding: 20px 0 36px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.3);
            margin-bottom: var(--spacing-sm);
        }
        .article-hero h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-sm);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13.5px;
            color: var(--text-muted);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-icon {
            color: var(--accent-cyan);
        }
        .article-cover {
            margin-top: var(--spacing-md);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }
        .article-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .article-body-wrap {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 40px;
            padding: 40px 0 56px;
        }
        @media (max-width: 1024px) {
            .article-body-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        .article-content {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-secondary);
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin: 32px 0 14px;
            letter-spacing: -0.3px;
        }
        .article-content h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin: 24px 0 12px;
            letter-spacing: -0.2px;
        }
        .article-content p {
            margin: 0 0 16px;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            border: 1px solid var(--border-subtle);
        }
        .article-content ul, .article-content ol {
            margin: 0 0 18px;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 3px solid var(--accent-cyan);
            padding: 16px 20px;
            margin: 20px 0;
            background: rgba(37, 99, 235, 0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: italic;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14.5px;
        }
        .article-content table th {
            background: rgba(37, 99, 235, 0.15);
            color: var(--text-primary);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-strong);
        }
        .article-content table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }
        .article-content a {
            color: var(--accent-cyan);
            border-bottom: 1px dotted rgba(56, 189, 248, 0.4);
        }
        .article-content a:hover {
            color: #fff;
            border-bottom-color: #fff;
        }
        .article-not-found {
            background: rgba(37, 99, 235, 0.08);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            color: var(--text-secondary);
        }
        .article-not-found .nf-icon {
            font-size: 48px;
            margin-bottom: var(--spacing-sm);
        }
        .article-not-found h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
        }
        .article-not-found a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: var(--spacing-sm);
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
        }
        .article-not-found a:hover {
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
        }
        /* Sidebar / summary blocks */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .side-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .side-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: -0.2px;
        }
        .side-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .side-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card ul li:last-child {
            border-bottom: none;
        }
        .side-card ul li .li-icon {
            color: var(--accent-cyan);
            font-weight: 700;
            flex-shrink: 0;
        }
        .side-card .side-note {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 10px 0 0;
        }
        /* Highlight summary strip */
        .article-highlights {
            padding: 40px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .highlights-grid {
                grid-template-columns: 1fr;
            }
        }
        .highlight-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition-smooth);
        }
        .highlight-item:hover {
            border-color: var(--border-strong);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
            transform: translateY(-2px);
        }
        .highlight-item .hi-icon {
            font-size: 26px;
            margin-bottom: 10px;
            color: var(--accent-cyan);
        }
        .highlight-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            letter-spacing: -0.2px;
        }
        .highlight-item p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        /* Payment channel section */
        .article-payments {
            padding: 40px 0;
        }
        .section-heading {
            margin-bottom: 24px;
        }
        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            letter-spacing: -0.3px;
        }
        .section-heading p {
            font-size: 15px;
            color: var(--text-muted);
            margin: 0;
        }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .payment-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .payment-grid {
                grid-template-columns: 1fr;
            }
        }
        .payment-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all var(--transition-fast);
        }
        .payment-item:hover {
            border-color: var(--border-strong);
            box-shadow: 0 4px 18px rgba(37, 99, 235, 0.12);
        }
        .payment-item .pay-name {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .payment-item .pay-desc {
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .payment-item .pay-status {
            font-size: 12px;
            font-weight: 600;
            color: #10B981;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .payment-item .pay-status::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #10B981;
            box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
        }
        /* Related recommendations */
        .article-related {
            padding: 40px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .related-card:hover {
            border-color: var(--border-strong);
            box-shadow: 0 8px 26px rgba(37, 99, 235, 0.18);
            transform: translateY(-3px);
        }
        .related-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }
        .related-card-body {
            padding: 18px 20px 20px;
        }
        .related-card-body .rc-tag {
            display: inline-block;
            font-size: 11.5px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }
        .related-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.4;
            letter-spacing: -0.2px;
        }
        .related-card-body p {
            font-size: 13.5px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }
        /* Article CTA */
        .article-cta {
            padding: 48px 0 56px;
        }
        .cta-panel {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(56, 189, 248, 0.1));
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            text-align: center;
            box-shadow: 0 10px 40px rgba(37, 99, 235, 0.2);
        }
        .cta-panel h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 10px;
            letter-spacing: -0.4px;
        }
        .cta-panel p {
            font-size: 15.5px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-cta {
            padding: 13px 30px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 22px rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .btn-primary-cta:hover {
            box-shadow: 0 0 40px rgba(56, 189, 248, 0.65);
            transform: translateY(-2px);
        }
        .btn-secondary-cta {
            padding: 13px 26px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.45);
            transition: all var(--transition-fast);
        }
        .btn-secondary-cta:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
        }
        /* FAQ section */
        .article-faq {
            padding: 40px 0 48px;
            border-top: 1px solid var(--border-subtle);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        /* Footer */
        .footer {
            background: rgba(3, 7, 18, 0.92);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 8px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-brand {
            min-width: 0;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .footer-logo-text {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.2px;
        }
        .footer-brand-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: -0.1px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        @media (max-width: 520px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(7, 7, 13, 0.85), rgba(7, 7, 13, 0.85)), linear-gradient(135deg, #A3E635, #06B6D4);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            cursor: pointer;
            opacity: 0.78;
            transition: all var(--transition-smooth);
            animation: fabPulse 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.7);
            transform: scale(1.1);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #F43F5E;
            border: 2px solid #fff;
            animation: fabDot 2s ease-in-out infinite;
        }
        @keyframes fabPulse {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes fabDot {
            0%, 100% { box-shadow: 0 0 6px rgba(244, 63, 94, 0.6); }
            50% { box-shadow: 0 0 16px rgba(244, 63, 94, 0.9); }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-card: rgba(8, 18, 41, 0.72);
            --bg-glass: rgba(8, 18, 41, 0.55);
            --bg-elevated: rgba(13, 27, 56, 0.88);
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-holo: #60A5FA;
            --accent-lime: #A3E635;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(96, 165, 250, 0.18);
            --border-strong: rgba(56, 189, 248, 0.35);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 35px rgba(56, 189, 248, 0.45);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 96px;
            --font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        input, select, textarea {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .header.scrolled {
            background: rgba(3, 7, 18, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }
        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: var(--spacing-sm);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
            flex-shrink: 0;
        }
        .nav-logo-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.25px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 210px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 9px 15px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }
        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.25);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 18px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
        }
        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
        }
        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
        }
        .btn-login:focus-visible, .btn-signup:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .nav-toggle span {
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            background: rgba(3, 7, 18, 0.97);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) var(--spacing-md);
            flex-direction: column;
            gap: 4px;
            animation: fadeDown 0.25s ease;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover {
            background: rgba(37, 99, 235, 0.15);
            color: var(--text-primary);
        }
        .mobile-menu a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
        }
        .mobile-menu-actions {
            display: flex;
            gap: 10px;
            padding: 12px 16px;
            flex-wrap: wrap;
        }
        @keyframes fadeDown {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .page-hero {
            padding: 130px 0 60px;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -180px;
            left: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-bento {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 20px;
            align-items: stretch;
        }
        .hero-main {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 18px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .hero-main .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 12.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.4px;
            text-transform: uppercase;
            width: fit-content;
        }
        .hero-main h1 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            color: var(--text-primary);
        }
        .hero-main h1 .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-holo));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-main p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 540px;
        }
        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-primary {
            padding: 14px 30px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 25px rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
        }
        .btn-primary:hover {
            box-shadow: 0 0 40px rgba(56, 189, 248, 0.6);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.3);
        }
        .btn-secondary {
            padding: 14px 28px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(8, 18, 41, 0.6);
            border: 1px solid var(--border-strong);
            transition: all var(--transition-fast);
        }
        .btn-secondary:hover {
            background: rgba(37, 99, 235, 0.18);
            border-color: var(--accent-cyan);
        }
        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-mini-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            display: flex;
            align-items: center;
            gap: 16px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: all var(--transition-fast);
        }
        .hero-mini-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }
        .hero-mini-card .mini-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .mini-icon.blue {
            background: rgba(37, 99, 235, 0.25);
            color: var(--accent-cyan);
        }
        .mini-icon.cyan {
            background: rgba(56, 189, 248, 0.2);
            color: var(--accent-holo);
        }
        .hero-mini-card .mini-content h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .hero-mini-card .mini-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.4;
        }
        .hero-cta-strip {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.12));
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-md);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-cta-strip .strip-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .hero-cta-strip .strip-text .pulse-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-lime);
            animation: pulseDot 1.8s ease-in-out infinite;
        }
        @keyframes pulseDot {
            0%, 100% { opacity: 0.4; transform: scale(0.8); }
            50% { opacity: 1; transform: scale(1.2); }
        }
        .section {
            padding: var(--spacing-xl) 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.4px;
            margin-bottom: 10px;
            line-height: 1.25;
        }
        .section-header p {
            font-size: 15.5px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-fast);
        }
        .stat-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .stat-card .stat-value {
            font-size: 34px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-holo));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .stat-card .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .network-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 18px;
        }
        .network-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-fast);
        }
        .network-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }
        .network-card .network-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 800;
            background: rgba(37, 99, 235, 0.2);
            color: var(--accent-cyan);
        }
        .network-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .network-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }
        .network-card .network-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-lime);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .fee-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
        }
        .fee-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            font-size: 14px;
        }
        .fee-table thead th {
            text-align: left;
            padding: 16px 20px;
            background: rgba(37, 99, 235, 0.12);
            color: var(--text-primary);
            font-weight: 700;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .fee-table tbody td {
            padding: 14px 20px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-subtle);
        }
        .fee-table tbody tr:last-child td {
            border-bottom: none;
        }
        .fee-table tbody tr:hover td {
            background: rgba(37, 99, 235, 0.08);
        }
        .fee-table .fee-highlight {
            color: var(--accent-cyan);
            font-weight: 700;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            position: relative;
            transition: all var(--transition-fast);
        }
        .step-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }
        .step-card .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.35);
        }
        .step-card h3 {
            font-size: 15.5px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }
        .trust-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .trust-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }
        .trust-item .trust-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            background: rgba(56, 189, 248, 0.15);
            color: var(--accent-cyan);
        }
        .trust-item h4 {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 3px;
        }
        .trust-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 18px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .news-card a {
            display: flex;
            flex-direction: column;
            flex-grow: 1;
            padding: 22px;
            gap: 10px;
        }
        .news-card h3 {
            font-size: 15.5px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .news-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }
        .news-meta {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .news-card .no-update {
            padding: 30px 22px;
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
        }
        .faq-section .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            user-select: none;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 600;
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item .faq-content {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .cta-section {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(56, 189, 248, 0.08));
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0;
        }
        .cta-box {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: clamp(1.5rem, 3.2vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.4px;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .cta-box p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 24px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: all var(--transition-fast);
            animation: fabFloat 3s ease-in-out infinite;
            -webkit-tap-highlight-color: transparent;
        }
        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.65);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #F43F5E;
            animation: fabPulse 1.4s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes fabPulse {
            0%, 100% { opacity: 0.5; transform: scale(0.8); }
            50% { opacity: 1; transform: scale(1.15); }
        }
        .footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .footer-logo-text {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .footer-brand-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-md);
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .footer-bottom p a {
            color: var(--text-secondary);
        }
        .footer-bottom p a:hover {
            color: var(--accent-cyan);
        }
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr;
            }
            .hero-side {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-mini-card {
                flex: 1;
                min-width: 240px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                margin-left: auto;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .hero-main {
                padding: 24px 20px;
            }
            .hero-cta-strip {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-side {
                flex-direction: column;
            }
            .hero-mini-card {
                min-width: auto;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions button {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .nav {
                height: 60px;
            }
            .nav-logo-text {
                max-width: 120px;
                font-size: 13px;
            }
            .btn-login, .btn-signup {
                padding: 7px 13px;
                font-size: 12px;
            }
            .page-hero {
                padding: 100px 0 40px;
            }
            .hero-main h1 {
                font-size: 1.5rem;
            }
            .stat-card .stat-value {
                font-size: 26px;
            }
            .fee-table {
                font-size: 12.5px;
            }
            .fee-table thead th, .fee-table tbody td {
                padding: 10px 14px;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 20px;
                border-radius: 12px;
            }
        }

/* roulang page: category3 */
/* ===== roulang page: category3 ===== */
        :root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-card: rgba(8, 18, 41, 0.72);
            --bg-glass: rgba(8, 18, 41, 0.55);
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-holo: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(96, 165, 250, 0.18);
            --border-strong: rgba(56, 189, 248, 0.35);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 35px rgba(56, 189, 248, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 96px;
            --font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        
        input, select, textarea {
            font-family: inherit;
            outline: none;
        }
        
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        /* Bootstrap override */
        .btn {
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        
        .btn:focus-visible, a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-strong);
        }
        
        /* Header & Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .header.scrolled {
            background: rgba(3, 7, 18, 0.97);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }
        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: var(--spacing-sm);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
        }
        .nav-logo-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.25px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 210px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 9px 15px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }
        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.25);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 18px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
        }
        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
            z-index: 1001;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: rgba(3, 7, 18, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) var(--spacing-md);
            z-index: 999;
            flex-direction: column;
            gap: 4px;
            transform: translateY(-110%);
            transition: transform var(--transition-smooth);
        }
        .mobile-menu.open {
            transform: translateY(0);
        }
        .mobile-menu a {
            padding: 14px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }
        .mobile-menu a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
        }
        .mobile-menu-actions {
            display: flex;
            gap: 10px;
            padding-top: 10px;
            border-top: 1px solid var(--border-subtle);
        }
        .mobile-menu-actions button {
            flex: 1;
            padding: 12px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
        }
        
        /* ===== Category3 Page Specific Styles ===== */
        
        /* Hero - Documentation Help Center Style */
        .category-hero {
            padding: 140px 0 90px;
            background: linear-gradient(180deg, rgba(3,7,18,0.9) 0%, rgba(3,7,18,0.6) 50%, var(--bg-primary) 100%), url('/assets/images/b2599b2e67c8972b.jpg') center top / cover no-repeat;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% -10%, rgba(37, 99, 235, 0.25) 0%, transparent 60%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid var(--border-subtle);
            border-radius: 30px;
            padding: 7px 18px;
            font-size: 12.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.3px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
            max-width: 800px;
        }
        .category-hero .lead {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.65;
            margin-bottom: 32px;
        }
        .hero-search-wrap {
            max-width: 620px;
            margin: 0 auto 32px;
            position: relative;
        }
        .hero-search-input {
            width: 100%;
            padding: 16px 52px 16px 20px;
            border-radius: 60px;
            border: 1px solid var(--border-subtle);
            background: rgba(8, 18, 41, 0.85);
            backdrop-filter: blur(10px);
            color: var(--text-primary);
            font-size: 15px;
            transition: all var(--transition-fast);
        }
        .hero-search-input::placeholder {
            color: var(--text-muted);
        }
        .hero-search-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2), 0 0 20px rgba(56, 189, 248, 0.25);
        }
        .hero-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
        }
        .hero-search-btn:hover {
            box-shadow: 0 0 26px rgba(56, 189, 248, 0.55);
        }
        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .hero-chips a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 30px;
            border: 1px solid var(--border-subtle);
            background: rgba(8, 18, 41, 0.6);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .hero-chips a:hover {
            color: var(--accent-cyan);
            border-color: var(--border-strong);
            background: rgba(37, 99, 235, 0.15);
        }
        
        /* Section Common */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 14px;
            text-align: left;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 36px;
            text-align: left;
            max-width: 680px;
        }
        
        /* Stats Strip */
        .stats-strip {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 32px 0;
        }
        .stat-item {
            text-align: left;
        }
        .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.2px;
        }
        
        /* Game Type Cards */
        .game-type-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .game-type-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .game-type-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .game-type-card:hover::before {
            opacity: 1;
        }
        .game-type-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(56,189,248,0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }
        .game-type-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .game-type-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        
        /* Feature Glass Cards */
        .feature-glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            height: 100%;
            transition: all var(--transition-smooth);
        }
        .feature-glass-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            background: rgba(8, 18, 41, 0.7);
        }
        .feature-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            background: rgba(37, 99, 235, 0.2);
            border-radius: 4px;
            padding: 4px 10px;
            margin-bottom: 12px;
        }
        .feature-glass-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            text-align: left;
        }
        .feature-glass-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
            text-align: left;
        }
        
        /* Flow Steps */
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            position: relative;
            transition: all var(--transition-smooth);
        }
        .step-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }
        .step-number {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 12px;
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            text-align: left;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
            text-align: left;
        }
        
        /* Info List */
        .info-list-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .info-list-card:hover {
            border-color: var(--border-strong);
            background: rgba(8, 18, 41, 0.85);
        }
        .info-list-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(37, 99, 235, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 14px;
            flex-shrink: 0;
        }
        .info-list-card span {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        
        /* News List */
        .news-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .news-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .news-item-img {
            height: 160px;
            overflow: hidden;
            background: var(--bg-secondary);
        }
        .news-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-item:hover .news-item-img img {
            transform: scale(1.06);
        }
        .news-item-body {
            padding: 18px 20px;
        }
        .news-item-cat {
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.18);
            border-radius: 4px;
            padding: 3px 8px;
            display: inline-block;
            margin-bottom: 8px;
        }
        .news-item-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 6px;
        }
        .news-item-excerpt {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 0;
        }
        .news-item-time {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-top: 8px;
        }
        
        /* FAQ */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: rgba(8, 18, 41, 0.8);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            text-align: left;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(37, 99, 235, 0.15);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            filter: invert(0.7);
        }
        .faq-accordion .accordion-body {
            background: rgba(3, 7, 18, 0.5);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            padding: 18px 22px;
            text-align: left;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(56, 189, 248, 0.08) 50%, var(--bg-primary) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0;
        }
        .cta-panel {
            background: rgba(8, 18, 41, 0.85);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(56,189,248,0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.6;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-neon {
            padding: 13px 32px;
            border-radius: 60px;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.2px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
        }
        .btn-neon:hover {
            box-shadow: 0 0 36px rgba(56, 189, 248, 0.65);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-neon {
            padding: 13px 32px;
            border-radius: 60px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.2px;
            background: transparent;
            color: var(--accent-cyan);
            border: 1px solid var(--border-strong);
            transition: all var(--transition-fast);
        }
        .btn-outline-neon:hover {
            background: rgba(56, 189, 248, 0.12);
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
        }
        
        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 32px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 350px;
            margin-top: 12px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: #fff;
        }
        .footer-logo-text {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            max-width: 200px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.35);
            transition: all var(--transition-fast);
            animation: fabFloat 3s ease-in-out infinite;
            cursor: pointer;
        }
        .fab:hover {
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.55);
            transform: scale(1.1);
            color: #fff;
            background: rgba(37, 99, 235, 0.4);
        }
        .fab:active {
            transform: scale(0.95);
            animation: none;
        }
        .fab-badge {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #EF4444;
            border: 2px solid var(--bg-primary);
            animation: pulseBadge 1.8s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes pulseBadge {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.2); }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 8px 11px;
                font-size: 12.5px;
            }
            .nav-logo-text {
                max-width: 160px;
                font-size: 13px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .category-hero {
                padding: 110px 0 60px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .lead {
                font-size: 0.95rem;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-strip {
                padding: 20px 0;
            }
            .stat-item {
                margin-bottom: 12px;
            }
            .cta-panel {
                padding: 32px 20px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .hero-chips a {
                padding: 6px 12px;
                font-size: 11.5px;
            }
            .hero-search-input {
                padding: 12px 44px 12px 16px;
                font-size: 13px;
            }
            .hero-search-btn {
                width: 38px;
                height: 38px;
                font-size: 13px;
            }
            .cta-panel {
                padding: 24px 16px;
            }
            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .cta-buttons button {
                width: 100%;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 18px;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-card: rgba(8, 18, 41, 0.72);
            --bg-glass: rgba(8, 18, 41, 0.55);
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-holo: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(96, 165, 250, 0.18);
            --border-strong: rgba(56, 189, 248, 0.35);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 35px rgba(56, 189, 248, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 96px;
            --font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ============ Header & Navigation ============ */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }

        .header.scrolled {
            background: rgba(3, 7, 18, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }

        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: var(--spacing-sm);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.25px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 210px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links a {
            padding: 9px 15px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-subtle);
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            background: rgba(3, 7, 18, 0.98);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            padding: 12px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }

        .mobile-menu a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
        }

        .mobile-menu-actions {
            display: flex;
            gap: 10px;
            margin-top: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-subtle);
        }

        .mobile-menu-actions .btn-login,
        .mobile-menu-actions .btn-signup {
            flex: 1;
            text-align: center;
        }

        /* ============ Hero Section ============ */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 140px var(--spacing-md) 70px;
            background: var(--bg-primary);
            overflow: hidden;
            margin-top: 0;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/026fee69c18ff6d8.jpg') center / cover no-repeat;
            opacity: 0.3;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.2), transparent 60%),
                        radial-gradient(ellipse at bottom left, rgba(56, 189, 248, 0.15), transparent 50%),
                        radial-gradient(ellipse at top right, rgba(37, 99, 235, 0.12), transparent 45%),
                        rgba(3, 7, 18, 0.7);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            margin: 0 auto;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 9999px;
            font-size: 12.5px;
            font-weight: 600;
            letter-spacing: 0.4px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid var(--border-strong);
            margin-bottom: var(--spacing-md);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.12);
        }

        .hero-badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-cyan);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.55); }
            50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(56, 189, 248, 0); }
        }

        .hero h1 {
            font-size: clamp(28px, 5vw, 48px);
            font-weight: 800;
            letter-spacing: -1.2px;
            line-height: 1.15;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
            text-shadow: 0 2px 30px rgba(56, 189, 248, 0.25);
        }

        .hero h1 .accent {
            background: linear-gradient(135deg, var(--accent-holo), var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 16.5px;
            line-height: 1.65;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto var(--spacing-lg);
            letter-spacing: 0.1px;
        }

        .hero-search {
            max-width: 620px;
            margin: 0 auto var(--spacing-md);
            position: relative;
        }

        .hero-search-inner {
            display: flex;
            align-items: center;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 6px 6px 6px 18px;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-smooth);
        }

        .hero-search-inner:focus-within {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-strong);
        }

        .hero-search-icon {
            font-size: 17px;
            color: var(--text-muted);
            margin-right: 10px;
            flex-shrink: 0;
        }

        .hero-search-inner input {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 14.5px;
            padding: 11px 0;
            min-width: 0;
        }

        .hero-search-inner input::placeholder {
            color: var(--text-muted);
        }

        .hero-search-btn {
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-size: 13.5px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.3);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .hero-search-btn:hover {
            box-shadow: 0 0 26px rgba(56, 189, 248, 0.55);
            transform: translateY(-1px);
        }

        .hero-search-btn:active {
            transform: translateY(0);
        }

        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            justify-content: center;
            align-items: center;
        }

        .hero-chips-label {
            font-size: 12.5px;
            font-weight: 500;
            color: var(--text-muted);
            margin-right: 4px;
            letter-spacing: 0.2px;
        }

        .hero-chip {
            padding: 8px 15px;
            border-radius: 9999px;
            font-size: 12.5px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(37, 99, 235, 0.16);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .hero-chip:hover {
            color: var(--accent-cyan);
            border-color: var(--border-strong);
            background: rgba(37, 99, 235, 0.28);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.15);
        }

        /* ============ Section Base ============ */
        main {
            display: block;
        }

        .section {
            padding: var(--spacing-xl) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
        }

        .section-header {
            max-width: 680px;
            margin-bottom: var(--spacing-lg);
        }

        .section-header-left {
            text-align: left;
        }

        .section-header-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            padding: 6px 14px;
            border-radius: 9999px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid var(--border-subtle);
            margin-bottom: var(--spacing-sm);
        }

        .section-title {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            letter-spacing: -0.8px;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .section-desc {
            font-size: 15.5px;
            line-height: 1.65;
            color: var(--text-secondary);
            letter-spacing: 0.1px;
        }

        .section-divider {
            width: 52px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            margin-bottom: var(--spacing-sm);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.35);
        }

        /* ============ Game Types Grid ============ */
        .game-type-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .game-type-card {
            position: relative;
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
        }

        .game-type-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .game-type-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .game-type-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

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

        .game-type-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(3, 7, 18, 0.7), transparent 60%);
        }

        .game-type-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 9999px;
            font-size: 10.5px;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: #fff;
            background: rgba(3, 7, 18, 0.7);
            border: 1px solid rgba(56, 189, 248, 0.4);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 2;
        }

        .game-type-card-body {
            position: relative;
            z-index: 3;
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            margin-top: -30px;
        }

        .game-type-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: -0.4px;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .game-type-card-body p {
            font-size: 13.5px;
            line-height: 1.55;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-xs);
        }

        .game-type-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .game-type-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ Stats / Value Props ============ */
        .value-props-grid {
            display: grid;
            grid-template-columns: 2fr 3fr;
            gap: var(--spacing-lg);
            align-items: start;
        }

        .value-props-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-sm);
        }

        .stat-block {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
        }

        .stat-block:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
        }

        .stat-value {
            font-size: clamp(26px, 3.5vw, 34px);
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(135deg, var(--accent-holo), var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 4px;
            line-height: 1.15;
        }

        .stat-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.1px;
        }

        .value-props-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .value-prop-item {
            display: flex;
            gap: 14px;
            padding: var(--spacing-sm) var(--spacing-md);
            background: rgba(8, 18, 41, 0.5);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .value-prop-item:hover {
            border-color: var(--border-strong);
            background: rgba(8, 18, 41, 0.7);
        }

        .value-prop-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.35), rgba(56, 189, 248, 0.25));
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .value-prop-text h4 {
            font-size: 15px;
            font-weight: 700;
            letter-spacing: -0.2px;
            color: var(--text-primary);
            margin-bottom: 3px;
        }

        .value-prop-text p {
            font-size: 13.5px;
            line-height: 1.55;
            color: var(--text-secondary);
        }

        /* ============ Usage Scenarios ============ */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-sm);
        }

        .scenario-card {
            background: rgba(8, 18, 41, 0.5);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .scenario-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .scenario-card:hover {
            border-color: var(--border-strong);
            background: var(--bg-card);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        .scenario-card:hover::before {
            opacity: 1;
        }

        .scenario-card-icon {
            font-size: 26px;
            margin-bottom: var(--spacing-xs);
        }

        .scenario-card h4 {
            font-size: 15px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        /* ============ Demo / Screenshot ============ */
        .demo-showcase {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .demo-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
        }

        .demo-image-wrapper img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }

        .demo-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(3, 7, 18, 0.65), transparent 55%);
            display: flex;
            align-items: flex-end;
            padding: var(--spacing-md);
        }

        .demo-image-badge {
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: #fff;
            background: rgba(37, 99, 235, 0.55);
            border: 1px solid rgba(56, 189, 248, 0.45);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .demo-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .demo-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: var(--spacing-sm) var(--spacing-md);
            background: rgba(8, 18, 41, 0.5);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .demo-item:hover {
            border-color: var(--border-strong);
            background: rgba(8, 18, 41, 0.7);
        }

        .demo-item-check {
            width: 22px;
            height: 22px;
            border-radius: 6px;
            background: rgba(56, 189, 248, 0.2);
            border: 1px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--accent-cyan);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .demo-item-text h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
            letter-spacing: -0.2px;
        }

        .demo-item-text p {
            font-size: 13px;
            line-height: 1.55;
            color: var(--text-secondary);
        }

        /* ============ Withdrawal Process ============ */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-sm);
            counter-reset: process-step;
        }

        .process-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-smooth);
            counter-increment: process-step;
        }

        .process-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .process-card::before {
            content: counter(process-step, decimal-leading-zero);
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            font-size: 34px;
            font-weight: 800;
            line-height: 1;
            color: rgba(56, 189, 248, 0.18);
            letter-spacing: -1px;
        }

        .process-card-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.35), rgba(56, 189, 248, 0.2));
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            margin-bottom: var(--spacing-xs);
        }

        .process-card h4 {
            font-size: 15px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .process-card p {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        .process-arrow {
            position: absolute;
            top: 50%;
            right: -14px;
            transform: translateY(-50%);
            font-size: 16px;
            color: var(--accent-cyan);
            opacity: 0.55;
            z-index: 2;
        }

        /* ============ News / Content List ============ */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-sm);
        }

        .news-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-smooth);
            min-height: 180px;
        }

        .news-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .news-card-category {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }

        .news-card-title {
            font-size: 15px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            flex-shrink: 0;
        }

        .news-card-excerpt {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
            flex: 1;
        }

        .news-card-time {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.1px;
        }

        .empty-state {
            text-align: center;
            padding: var(--spacing-lg) var(--spacing-md);
            color: var(--text-muted);
            font-size: 14.5px;
            background: var(--bg-card);
            border: 1px dashed var(--border-subtle);
            border-radius: var(--radius-md);
            letter-spacing: 0.2px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: var(--spacing-sm) var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 14.5px;
            font-weight: 600;
            letter-spacing: -0.2px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

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

        .faq-icon {
            width: 20px;
            height: 20px;
            border-radius: 6px;
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            background: rgba(56, 189, 248, 0.3);
        }

        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-sm);
            font-size: 13.5px;
            line-height: 1.65;
            color: var(--text-secondary);
            letter-spacing: 0.1px;
        }

        .faq-answer p {
            margin-bottom: 8px;
        }

        .faq-answer p:last-child {
            margin-bottom: 0;
        }

        /* ============ CTA Section ============ */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.22), transparent 55%),
                        radial-gradient(ellipse at top right, rgba(56, 189, 248, 0.13), transparent 45%);
            z-index: 0;
        }

        .cta-container {
            position: relative;
            z-index: 1;
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-container h2 {
            font-size: clamp(24px, 3.5vw, 34px);
            font-weight: 800;
            letter-spacing: -0.8px;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .cta-container p {
            font-size: 15.5px;
            line-height: 1.65;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            padding: 13px 30px;
            border-radius: var(--radius-md);
            font-size: 14.5px;
            font-weight: 700;
            letter-spacing: 0.2px;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 22px rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
        }

        .btn-primary:hover {
            box-shadow: 0 0 38px rgba(56, 189, 248, 0.62);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.3);
        }

        .btn-secondary {
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
        }

        .btn-secondary:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.2);
        }

        /* ============ Footer ============ */
        .footer {
            background: rgba(3, 7, 18, 0.96);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }

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

        .footer-brand {
            max-width: 360px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--spacing-sm);
        }

        .footer-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.35);
            flex-shrink: 0;
        }

        .footer-logo-text {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .footer-brand-desc {
            font-size: 13.5px;
            line-height: 1.65;
            color: var(--text-secondary);
            letter-spacing: 0.1px;
        }

        .footer-col h4 {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.6px;
            text-transform: uppercase;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            letter-spacing: 0.1px;
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }

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

        .footer-bottom p {
            font-size: 12.5px;
            color: var(--text-muted);
            letter-spacing: 0.15px;
        }

        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            font-size: 12.5px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* ============ FAB ============ */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 18px;
            border-radius: 9999px;
            background: rgba(7, 7, 13, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1.5px solid rgba(56, 189, 248, 0.55);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            opacity: 0.8;
            transition: all var(--transition-smooth);
            min-height: 56px;
            cursor: pointer;
            animation: fab-pulse 3s ease-in-out infinite;
        }

        @keyframes fab-pulse {
            0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.45); }
            50% { box-shadow: 0 0 32px rgba(6, 182, 212, 0.65); }
        }

        .fab-support:hover {
            opacity: 1;
            box-shadow: 0 0 36px rgba(6, 182, 212, 0.7);
            border-color: var(--accent-cyan);
            transform: scale(1.03);
        }

        .fab-support:active {
            transform: scale(0.96);
            box-shadow: 0 0 18px rgba(6, 182, 212, 0.4);
        }

        .fab-icon {
            font-size: 20px;
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .fab-label {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .fab-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #F43F5E;
            box-shadow: 0 0 8px rgba(244, 63, 94, 0.8);
            animation: dot-blink 1.4s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .game-type-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-arrow {
                display: none;
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .value-props-grid {
                grid-template-columns: 1fr;
            }

            .demo-showcase {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 2fr 1fr 1fr;
            }

            .nav-links {
                display: none;
            }

            .nav-actions {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

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

            .hero {
                min-height: auto;
                padding: 120px var(--spacing-sm) 60px;
            }
        }

        @media (max-width: 768px) {
            .game-type-grid {
                grid-template-columns: 1fr;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .process-flow {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .footer-brand {
                grid-column: 1 / -1;
                max-width: 100%;
            }

            .section {
                padding: var(--spacing-lg) 0;
            }

            .hero h1 {
                font-size: 26px;
            }

            .hero-subtitle {
                font-size: 14.5px;
            }

            .hero-search-inner {
                flex-wrap: wrap;
                padding: 12px;
                gap: 8px;
            }

            .hero-search-btn {
                width: 100%;
                text-align: center;
                padding: 12px;
            }

            .hero-chips {
                gap: 6px;
            }

            .hero-chip {
                font-size: 11.5px;
                padding: 6px 12px;
            }

            .value-props-stats {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }

            .footer-bottom-links {
                justify-content: center;
            }

            .fab-support {
                bottom: 80px;
                left: 12px;
                padding: 12px 14px;
                min-height: 48px;
            }

            .fab-label {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }

            .nav {
                height: 62px;
                gap: 8px;
            }

            .nav-logo-text {
                font-size: 12.5px;
                max-width: 150px;
            }

            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 17px;
                border-radius: 8px;
            }

            .hero {
                padding: 100px var(--spacing-sm) 48px;
            }

            .hero h1 {
                font-size: 22px;
                letter-spacing: -0.6px;
            }

            .hero-badge {
                font-size: 10.5px;
                padding: 6px 14px;
            }

            .hero-chips-label {
                display: none;
            }

            .hero-chip {
                font-size: 11px;
                padding: 5px 10px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-desc {
                font-size: 14px;
            }

            .game-type-card-body h3 {
                font-size: 15px;
            }

            .stat-value {
                font-size: 24px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-brand {
                grid-column: auto;
            }

            .cta-container h2 {
                font-size: 22px;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                text-align: center;
            }

            .demo-image-wrapper {
                clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #030712;
            --bg-secondary: #081229;
            --bg-card: rgba(8, 18, 41, 0.72);
            --bg-glass: rgba(8, 18, 41, 0.55);
            --accent-blue: #2563EB;
            --accent-cyan: #38BDF8;
            --accent-holo: #60A5FA;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(96, 165, 250, 0.18);
            --border-strong: rgba(56, 189, 248, 0.35);
            --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);
            --shadow-glow-strong: 0 0 35px rgba(56, 189, 248, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 96px;
            --font-family: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        input, select, textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Header & Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(3, 7, 18, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }

        .header.scrolled {
            background: rgba(3, 7, 18, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }

        .nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: var(--spacing-sm);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 0;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.25px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 210px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links a {
            padding: 9px 15px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }

        .nav-links a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
            box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--accent-cyan);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.55);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 6px;
            border-radius: 6px;
            border: 1px solid var(--border-subtle);
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            background: rgba(3, 7, 18, 0.98);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-sm) 0;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        .mobile-menu a {
            display: block;
            padding: 12px 24px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            margin: 2px 12px;
        }

        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }

        .mobile-menu a.active {
            color: var(--accent-cyan);
            background: rgba(37, 99, 235, 0.22);
        }

        .mobile-menu-actions {
            display: flex;
            gap: 10px;
            padding: 12px;
            margin-top: 8px;
            border-top: 1px solid var(--border-subtle);
        }

        .mobile-menu-actions .btn-login,
        .mobile-menu-actions .btn-signup {
            flex: 1;
            text-align: center;
        }

        /* Hero */
        .hero {
            padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-xl);
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--spacing-lg);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: clamp(28px, 4.5vw, 46px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }

        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-content .lead {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: var(--spacing-md);
            max-width: 540px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: var(--spacing-md);
        }

        .hero-meta .meta-chip {
            padding: 7px 14px;
            border-radius: 20px;
            font-size: 12.5px;
            font-weight: 600;
            background: rgba(37, 99, 235, 0.18);
            color: var(--accent-holo);
            border: 1px solid rgba(56, 189, 248, 0.25);
            letter-spacing: 0.2px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: 0 0 24px rgba(56, 189, 248, 0.4);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            box-shadow: 0 0 38px rgba(56, 189, 248, 0.6);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent-cyan);
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.45);
            transition: all var(--transition-fast);
        }

        .btn-outline:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--accent-cyan);
            transform: translateY(-2px);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-strong);
            box-shadow: var(--shadow-glow-strong);
            background: var(--bg-card);
        }

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

        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(0deg, rgba(3, 7, 18, 0.9) 0%, transparent 100%);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-visual-overlay .overlay-tag {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--accent-cyan);
            text-transform: uppercase;
        }

        .hero-visual-overlay p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Section base */
        .section {
            padding: var(--spacing-xl) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
            max-width: 700px;
        }

        .section-header .section-badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--accent-cyan);
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.6px;
            color: var(--text-primary);
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 12px;
        }

        /* Promo grid */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

        .promo-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .promo-card:hover::before {
            opacity: 1;
        }

        .promo-card .promo-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            border: 1px solid rgba(56, 189, 248, 0.3);
        }

        .promo-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .promo-card p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .promo-card .promo-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .promo-card .promo-link:hover {
            gap: 10px;
        }

        .promo-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: #fff;
            background: linear-gradient(135deg, #DC2626, #F59E0B);
            margin-bottom: 14px;
        }

        /* Steps */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
        }

        .step-item .step-number {
            font-size: 13px;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* Speed banners */
        .speed-banner {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(56, 189, 248, 0.15));
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .speed-banner .speed-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            flex-shrink: 0;
            border: 2px solid rgba(56, 189, 248, 0.5);
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
        }

        .speed-banner .speed-text h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.4px;
        }

        .speed-banner .speed-text p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* Payment row */
        .payment-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }

        .payment-badge {
            padding: 10px 18px;
            border-radius: 10px;
            font-size: 13.5px;
            font-weight: 600;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
        }

        .payment-badge:hover {
            border-color: var(--border-strong);
            color: var(--text-primary);
            background: rgba(37, 99, 235, 0.15);
        }

        /* Content list */
        .content-list-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .content-card .content-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .content-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .content-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }

        .content-card h3 a {
            color: inherit;
        }

        .content-card h3 a:hover {
            color: var(--accent-cyan);
        }

        .content-card .content-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .content-empty {
            text-align: center;
            padding: var(--spacing-xl);
            color: var(--text-muted);
            font-size: 15px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            letter-spacing: -0.2px;
        }

        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--accent-cyan);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }

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

        /* CTA */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(56, 189, 248, 0.1));
            border-top: 1px solid var(--border-strong);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-lg);
            align-items: center;
            box-shadow: var(--shadow-glow);
        }

        .cta-box h2 {
            font-size: clamp(22px, 3vw, 32px);
            font-weight: 800;
            letter-spacing: -0.6px;
            color: var(--text-primary);
            line-height: 1.25;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 12px;
        }

        .cta-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-end;
        }

        .cta-actions .btn-primary {
            width: 100%;
            justify-content: center;
            text-align: center;
        }

        .cta-actions .btn-outline {
            width: 100%;
            justify-content: center;
            text-align: center;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            border-radius: 50px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1.5px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45), 0 4px 16px rgba(0, 0, 0, 0.5);
            cursor: pointer;
            transition: all var(--transition-smooth);
            min-height: 56px;
            min-width: 56px;
            opacity: 0.75;
            text-decoration: none;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -1.5px;
            border-radius: 50px;
            background: linear-gradient(135deg, #A3E635, #06B6D4, #EC4899);
            z-index: -1;
            opacity: 0.8;
        }

        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.65), 0 6px 24px rgba(0, 0, 0, 0.6);
            transform: scale(1.05);
        }

        .fab:active {
            transform: scale(0.95);
        }

        .fab .fab-icon {
            font-size: 24px;
            flex-shrink: 0;
        }

        .fab .fab-text {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .fab .fab-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #F43F5E;
            position: absolute;
            top: 6px;
            right: 6px;
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.7); }
            50% { box-shadow: 0 0 0 6px rgba(244, 63, 94, 0); }
        }

        /* Footer */
        .footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

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

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }

        .footer-logo-text {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.4px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-md);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-top: 10px;
        }

        .footer-bottom .footer-links a {
            font-size: 12.5px;
            color: var(--text-muted);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-box {
                grid-template-columns: 1fr;
            }
            .cta-actions {
                align-items: stretch;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: block;
            }
            .mobile-menu.open {
                display: block;
            }
            .mobile-menu:not(.open) {
                display: none;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .speed-banner {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .fab {
                left: 12px;
                bottom: 80px;
                padding: 10px 16px;
            }
            .fab .fab-text {
                display: none;
            }
            .hero {
                padding: calc(70px + var(--spacing-lg)) 0 var(--spacing-lg);
            }
        }

        @media (max-width: 520px) {
            .footer-top {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .nav-logo-text {
                max-width: 140px;
                font-size: 13px;
            }
            .cta-box {
                padding: var(--spacing-md);
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}