/* roulang page: index */
:root {
            --bg-primary: #060B18;
            --bg-secondary: #0A1628;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(10, 22, 40, 0.75);
            --glass-border: rgba(0, 212, 255, 0.15);
            --text-primary: #E8EDF5;
            --text-secondary: #8FA3C0;
            --text-muted: #5B6F8C;
            --accent-blue: #00D4FF;
            --accent-deep: #0077FF;
            --accent-cyan: #38BDF8;
            --accent-glow: rgba(0, 212, 255, 0.35);
            --accent-gold: #FFB800;
            --accent-green: #10B981;
            --accent-red: #EF4444;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(0, 212, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px var(--accent-glow);
            --shadow-glow-lg: 0 0 40px rgba(0, 212, 255, 0.45);
            --font-sans: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 20%, rgba(0, 119, 255, 0.08) 0%, transparent 55%),
                        radial-gradient(ellipse at 70% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                        radial-gradient(ellipse at 50% 50%, rgba(6, 11, 24, 0.95) 0%, transparent 100%);
            pointer-events: none;
            z-index: -1;
        }

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

        a:hover {
            color: #7DDBFF;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--accent-blue);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(1.8rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.4rem, 3vw, 2.2rem);
            font-weight: 700;
        }

        h3 {
            font-size: clamp(1.1rem, 2.2vw, 1.6rem);
            font-weight: 600;
        }

        p {
            color: var(--text-secondary);
            line-height: 1.65;
            font-size: 0.95rem;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        /* ============ HEADER / NAV ============ */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 11, 24, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .header.scrolled {
            background: rgba(6, 11, 24, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-base);
            flex-shrink: 0;
        }

        .logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            font-size: 1.2rem;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text .logo-main {
            font-size: 0.9rem;
            font-weight: 800;
            letter-spacing: -0.01em;
        }

        .logo-text .logo-sub {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            list-style: none;
            flex-shrink: 1;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links li {
            flex-shrink: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

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

        .nav-links a.active {
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.08);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(0, 212, 255, 0.2);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .nav-btn-login {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
            background: transparent;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-btn-login:hover {
            border-color: rgba(0, 212, 255, 0.3);
            background: rgba(255, 255, 255, 0.05);
            color: var(--accent-blue);
        }

        .nav-btn-signup {
            padding: 8px 20px;
            border-radius: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            color: #060B18;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-btn-signup:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-1px);
            color: #060B18;
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--border-subtle);
            background: transparent;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            flex-shrink: 0;
        }

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

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(6, 11, 24, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            padding: var(--spacing-md);
            z-index: 999;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.08);
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 100px 0 var(--spacing-3xl);
            background-image: url('/assets/images/e2e197eb1db6d81c.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(6, 11, 24, 0.75) 0%, rgba(6, 11, 24, 0.85) 40%, rgba(6, 11, 24, 0.95) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 212, 255, 0.12) 0%, transparent 55%);
            z-index: 1;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-3xl);
            align-items: center;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.25);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-blue);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            width: fit-content;
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }

        .hero h1 {
            font-size: clamp(1.9rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: #fff;
        }

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

        .hero-description {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-top: var(--spacing-xs);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #060B18;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            justify-content: center;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
            color: #060B18;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 24px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            justify-content: center;
        }

        .btn-secondary:hover {
            border-color: rgba(0, 212, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent-blue);
        }

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

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .stat-value {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-blue);
            letter-spacing: -0.01em;
        }

        .hero-stat .stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Before/After Hero Panel */
        .hero-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-lg);
        }

        .compare-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .compare-card:hover {
            border-color: var(--border-focus);
        }

        .compare-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .compare-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-top: var(--spacing-sm);
        }

        .compare-label.before {
            background: rgba(239, 68, 68, 0.15);
            color: var(--accent-red);
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        .compare-label.after {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .compare-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 8px;
        }

        .compare-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
            line-height: 1.5;
        }

        .compare-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-blue);
        }

        /* ============ SECTION SHARED ============ */
        section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }

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

        .section-heading {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-xl);
        }

        .section-heading .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-blue);
        }

        .section-heading h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.4rem);
            font-weight: 700;
            letter-spacing: -0.015em;
            color: #fff;
        }

        .section-heading .section-desc {
            max-width: 680px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ============ STATS BAR ============ */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            padding: var(--spacing-lg);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            text-align: left;
        }

        .stat-item .stat-icon {
            font-size: 1.5rem;
            color: var(--accent-blue);
            margin-bottom: 4px;
        }

        .stat-item .stat-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-unit {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-blue);
        }

        .stat-item .stat-caption {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============ COLLECTION GRID ============ */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }

        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
            cursor: pointer;
        }

        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35), 0 0 16px rgba(0, 212, 255, 0.15);
        }

        .card-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.65rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            background: rgba(6, 11, 24, 0.85);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 184, 0, 0.3);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .card-tag.hot {
            color: var(--accent-red);
            border-color: rgba(239, 68, 68, 0.3);
        }

        .card-tag.vip {
            color: var(--accent-blue);
            border-color: rgba(0, 212, 255, 0.3);
        }

        .card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .card-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .card-meta .card-rating {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* ============ ARTICLE LIST (CMS) ============ */
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: var(--spacing-xl);
        }

        .article-main-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .article-item {
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            align-items: flex-start;
        }

        .article-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
        }

        .article-thumb {
            width: 140px;
            height: 90px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .article-content {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
            min-width: 0;
        }

        .article-category {
            font-size: 0.65rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-blue);
        }

        .article-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .article-excerpt {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-time {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .sidebar-widget {
            padding: var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
        }

        .sidebar-widget h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .sidebar-widget ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .sidebar-widget ul li a {
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .sidebar-widget ul li a:hover {
            color: var(--accent-blue);
        }

        /* ============ FEATURE GRID ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }

        .feature-card {
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            transition: all var(--transition-base);
        }

        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(0, 212, 255, 0.1);
            color: var(--accent-blue);
            font-size: 1.3rem;
        }

        .feature-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ============ WEAPON SECTION ============ */
        .weapon-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .weapon-card {
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            text-align: left;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .weapon-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 16px rgba(0, 212, 255, 0.1);
        }

        .weapon-card .weapon-level {
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
        }

        .weapon-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
        }

        .weapon-card p {
            font-size: 0.82rem;
            color: var(--text-secondary);
        }

        .weapon-stats {
            display: flex;
            gap: var(--spacing-md);
            margin-top: var(--spacing-xs);
            flex-wrap: wrap;
        }

        .weapon-stat {
            font-size: 0.7rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .weapon-stat i {
            color: var(--accent-blue);
        }

        /* ============ TESTIMONIALS ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }

        .testimonial-card {
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
        }

        .testimonial-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: var(--spacing-xs);
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .testimonial-info .t-name {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .testimonial-info .t-meta {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        .testimonial-rating {
            color: var(--accent-gold);
            font-size: 0.75rem;
            margin-top: 4px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            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-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: all var(--transition-base);
            gap: var(--spacing-md);
            width: 100%;
            text-align: left;
            background: transparent;
        }

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

        .faq-question .faq-toggle {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(180deg);
            color: var(--accent-blue);
        }

        .faq-answer {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }

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

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: var(--spacing-3xl) 0;
            background: linear-gradient(135deg, rgba(0, 119, 255, 0.08) 0%, rgba(0, 212, 255, 0.05) 50%, rgba(6, 11, 24, 0.9) 100%);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
        }

        .cta-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xl);
            padding: var(--spacing-2xl);
            background: var(--glass-bg);
            border: 1px solid var(--border-focus);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-lg);
            flex-wrap: wrap;
        }

        .cta-box .cta-text h2 {
            font-size: clamp(1.3rem, 2.5vw, 1.8rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .cta-box .cta-text p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            max-width: 460px;
        }

        .cta-box .cta-action {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        /* ============ FOOTER ============ */
        .footer {
            background: #040910;
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
        }

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

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

        .footer-brand .logo {
            margin-bottom: var(--spacing-xs);
        }

        .footer-brand p {
            font-size: 0.8rem;
            color: var(--text-muted);
            max-width: 300px;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-md);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-col ul li a {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

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

        .footer-copy {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.68rem;
            font-weight: 600;
            border: 1px solid var(--border-subtle);
            color: var(--text-muted);
            transition: all var(--transition-base);
        }

        .footer-badge:hover {
            border-color: rgba(0, 212, 255, 0.25);
            color: var(--accent-blue);
        }

        .footer-badge .badge-18 {
            color: var(--accent-red);
            font-weight: 800;
        }

        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            border: 2px solid rgba(0, 212, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            box-shadow: 0 6px 25px rgba(0, 212, 255, 0.35), var(--shadow-glow);
            transition: all var(--transition-base);
            cursor: pointer;
            opacity: 0.85;
            animation: fab-float 3s ease-in-out infinite;
        }

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

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 35px rgba(0, 212, 255, 0.5), 0 0 30px rgba(0, 212, 255, 0.4);
            animation-play-state: paused;
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid #fff;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .hero {
                padding: 80px 0 var(--spacing-2xl);
                min-height: auto;
            }
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .weapon-grid {
                grid-template-columns: repeat(2, 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;
            }
            .nav-wrapper {
                height: 56px;
            }
            .hero {
                padding: 70px 0 var(--spacing-xl);
            }
            .hero h1 {
                font-size: clamp(1.5rem, 6vw, 2.2rem);
            }
            .hero-compare {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .compare-arrow {
                display: none;
            }
            section {
                padding: var(--spacing-2xl) 0;
            }
            .collection-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
                gap: var(--spacing-sm);
            }
            .feature-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
                padding: var(--spacing-md);
            }
            .weapon-grid {
                grid-template-columns: 1fr;
            }
            .article-item {
                flex-direction: column;
            }
            .article-thumb {
                width: 100%;
                height: 160px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-sm);
            }
            .cta-box {
                flex-direction: column;
                text-align: center;
                padding: var(--spacing-lg);
            }
            .cta-box .cta-text p {
                max-width: 100%;
            }
            .cta-box .cta-action {
                justify-content: center;
                width: 100%;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
            }
            .logo-text .logo-sub {
                display: none;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1rem;
                left: 12px;
                bottom: 72px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .hero-description {
                font-size: 0.85rem;
            }
            .hero-stats {
                gap: var(--spacing-md);
            }
            .hero-stat .stat-value {
                font-size: 1.1rem;
            }
            .compare-image {
                height: 140px;
            }
            .collection-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xs);
            }
            .card-image {
                height: 110px;
            }
            .card-body {
                padding: var(--spacing-sm);
            }
            .card-title {
                font-size: 0.8rem;
            }
            .card-desc {
                font-size: 0.7rem;
            }
            .stats-bar {
                grid-template-columns: 1fr;
                gap: var(--spacing-xs);
            }
            .stat-item .stat-number {
                font-size: 1.2rem;
            }
            .section-heading h2 {
                font-size: 1.3rem;
            }
            .footer-badges {
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #060B18;
            --bg-secondary: #0A1628;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(10, 22, 40, 0.75);
            --glass-border: rgba(0, 212, 255, 0.15);
            --text-primary: #E8EDF5;
            --text-secondary: #8FA3C0;
            --text-muted: #5B6F8C;
            --accent-blue: #00D4FF;
            --accent-deep: #0077FF;
            --accent-cyan: #38BDF8;
            --accent-glow: rgba(0, 212, 255, 0.35);
            --accent-gold: #FFB800;
            --accent-green: #10B981;
            --accent-red: #EF4444;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(0, 212, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px var(--accent-glow);
            --shadow-glow-lg: 0 0 40px rgba(0, 212, 255, 0.45);
            --font-sans: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 20%, rgba(0, 119, 255, 0.08) 0%, transparent 55%),
                        radial-gradient(ellipse at 70% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                        radial-gradient(ellipse at 50% 50%, rgba(6, 11, 24, 0.95) 0%, transparent 100%);
            pointer-events: none;
            z-index: -1;
        }

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

        a:hover {
            color: #7DDBFF;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        /* ============ HEADER / NAV ============ */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 11, 24, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .header.scrolled {
            background: rgba(6, 11, 24, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-base);
            flex-shrink: 0;
        }

        .logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            font-size: 1.2rem;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text .logo-main {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-primary);
        }

        .logo-text .logo-sub {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--accent-gold);
            letter-spacing: 0.02em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition-base), background var(--transition-base);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
        }

        .nav-links li a.active {
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.08);
            box-shadow: inset 0 0 0 1px var(--border-focus);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .nav-btn-login,
        .nav-btn-signup {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-btn-login {
            color: var(--accent-blue);
            border: 1px solid var(--border-focus);
            background: transparent;
        }

        .nav-btn-login:hover {
            background: rgba(0, 212, 255, 0.08);
            color: var(--accent-blue);
        }

        .nav-btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .nav-btn-signup:hover {
            background: linear-gradient(135deg, #00E0FF, #0088FF);
            color: #fff;
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: var(--spacing-md);
            background: rgba(6, 11, 24, 0.98);
            border-bottom: 1px solid var(--glass-border);
        }

        .mobile-menu a {
            padding: 10px 12px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
        }

        .mobile-menu a.active {
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.08);
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            min-height: 620px;
            padding: 120px 0 var(--spacing-3xl);
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, rgba(6, 11, 24, 0.85) 0%, rgba(10, 22, 40, 0.92) 100%),
                        url('/assets/images/e2e197eb1db6d81c.jpg') center/cover no-repeat;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent 0%, var(--bg-primary) 100%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid var(--border-focus);
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-blue);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-md);
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

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

        .hero-description {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: var(--spacing-xl);
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-xl);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.9rem;
            font-weight: 700;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #00E0FF, #0088FF);
            color: #fff;
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: var(--bg-card);
            border-color: var(--border-focus);
            color: var(--accent-blue);
            transform: translateY(-2px);
        }

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

        .hero-stats .stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stats .stat-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
        }

        .hero-stats .stat-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 400px;
        }

        .hero-visual-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-width: 440px;
        }

        .hero-visual-card img {
            width: 100%;
            border-radius: var(--radius-lg);
            margin-bottom: var(--spacing-md);
        }

        .hero-visual-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .hero-visual-card .card-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
        }

        .hero-visual-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }

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

        .section-heading {
            margin-bottom: var(--spacing-2xl);
        }

        .section-heading .eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-blue);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: var(--spacing-sm);
        }

        .section-heading h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-sm);
        }

        .section-heading p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        /* ============ STATS DASHBOARD ============ */
        .stats-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stats-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: left;
            transition: all var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .stats-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .stats-card .stats-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(0, 212, 255, 0.1);
            color: var(--accent-blue);
            font-size: 1.2rem;
            margin-bottom: var(--spacing-sm);
        }

        .stats-card .stats-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .stats-card .stats-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        /* ============ FEATURE CARDS ============ */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

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

        .feature-card .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(0, 119, 255, 0.12));
            color: var(--accent-blue);
            font-size: 1.4rem;
            margin-bottom: var(--spacing-md);
        }

        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .feature-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ STEP TIMELINE ============ */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            position: relative;
            transition: all var(--transition-base);
        }

        .step-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            box-shadow: var(--shadow-sm);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
            box-shadow: var(--shadow-glow);
        }

        .step-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ============ WEAPON/STRATEGY DETAIL ============ */
        .strategy-detail {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .strategy-detail .strategy-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-2xl);
            align-items: center;
        }

        .strategy-detail img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .strategy-detail h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }

        .strategy-detail p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .strategy-detail ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .strategy-detail ul li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 6px 0;
            padding-left: 24px;
            position: relative;
            line-height: 1.6;
        }

        .strategy-detail ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-green);
            font-size: 0.7rem;
            top: 10px;
        }

        /* ============ NEWS LIST ============ */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

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

        .news-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .news-card .news-thumb {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }

        .news-card .news-body {
            padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-category {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--accent-blue);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-xs);
        }

        .news-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.5;
        }

        .news-card .news-excerpt {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }

        .news-card .news-meta {
            font-size: 0.7rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-empty {
            text-align: center;
            padding: var(--spacing-3xl);
            background: var(--bg-card);
            border: 1px dashed var(--border-subtle);
            border-radius: var(--radius-lg);
            color: var(--text-secondary);
            font-size: 0.9rem;
            grid-column: 1 / -1;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            transition: color var(--transition-base);
            gap: var(--spacing-sm);
            text-align: left;
            width: 100%;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--accent-blue);
            font-size: 0.8rem;
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--spacing-lg);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: var(--spacing-lg);
        }

        .faq-answer p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ FINAL CTA ============ */
        .final-cta {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.06), rgba(0, 119, 255, 0.04)), var(--bg-secondary);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl) var(--spacing-3xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .final-cta h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            position: relative;
        }

        .final-cta p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto var(--spacing-lg);
            position: relative;
            line-height: 1.7;
        }

        .final-cta .btn {
            position: relative;
            min-width: 200px;
        }

        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.45);
            cursor: pointer;
            transition: all var(--transition-base);
            position: fixed;
            opacity: 0.75;
            animation: fabPulse 2.5s infinite ease-in-out;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 18px;
            padding: 2px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep), #EC4899);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .fab i {
            font-size: 1.3rem;
            color: var(--accent-blue);
            z-index: 1;
            position: relative;
            transition: transform var(--transition-base);
        }

        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 32px rgba(0, 212, 255, 0.6);
            transform: scale(1.05);
        }

        .fab:hover i {
            transform: scale(1.15);
        }

        .fab:active {
            transform: scale(0.92);
        }

        .fab .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #EF4444;
            border: 2px solid #fff;
            animation: fabBadgePulse 1.5s infinite ease-in-out;
            z-index: 2;
        }

        @keyframes fabPulse {
            0%, 100% {
                box-shadow: 0 0 20px rgba(0, 212, 255, 0.45);
            }
            50% {
                box-shadow: 0 0 32px rgba(0, 212, 255, 0.65);
            }
        }

        @keyframes fabBadgePulse {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        /* ============ FOOTER ============ */
        .footer {
            background: rgba(6, 11, 24, 0.98);
            border-top: 1px solid var(--glass-border);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-3xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand .logo {
            margin-bottom: var(--spacing-md);
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 420px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul li a {
            font-size: 0.82rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-base);
        }

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

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

        .footer-bottom .copyright {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

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

        .footer-bottom .footer-badges span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            color: var(--text-muted);
            padding: 4px 10px;
            border: 1px solid var(--border-subtle);
            border-radius: 100px;
            background: var(--bg-card);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .stats-dashboard {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .strategy-detail .strategy-row {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .mobile-menu.hidden {
                display: none;
            }
            .hero {
                min-height: auto;
                padding: 90px 0 var(--spacing-2xl);
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-visual {
                min-height: 300px;
                margin-top: var(--spacing-lg);
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .final-cta {
                padding: var(--spacing-xl) var(--spacing-lg);
            }
            .final-cta h2 {
                font-size: 1.3rem;
            }
            .nav-wrapper {
                height: 56px;
            }
            .nav-btn-login,
            .nav-btn-signup {
                padding: 6px 12px;
                font-size: 0.72rem;
            }
            .strategy-detail {
                padding: var(--spacing-lg);
            }
            .section {
                padding: var(--spacing-2xl) 0;
            }
            .section-heading h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .hero-description {
                font-size: 0.9rem;
            }
            .hero-cta {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-stats {
                gap: var(--spacing-md);
            }
            .hero-stats .stat-value {
                font-size: 1.2rem;
            }
            .stats-dashboard {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.82rem;
                width: 100%;
            }
            .nav-actions {
                gap: 4px;
            }
            .nav-btn-login,
            .nav-btn-signup {
                padding: 5px 10px;
                font-size: 0.68rem;
            }
            .logo-text .logo-main {
                font-size: 0.78rem;
            }
            .logo-text .logo-sub {
                font-size: 0.58rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .final-cta h2 {
                font-size: 1.1rem;
            }
            .faq-question {
                font-size: 0.82rem;
                padding: var(--spacing-sm) var(--spacing-md);
            }
            .faq-answer p {
                font-size: 0.78rem;
            }
            .strategy-detail h3 {
                font-size: 1.15rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #060B18;
            --bg-secondary: #0A1628;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(10, 22, 40, 0.75);
            --glass-border: rgba(0, 212, 255, 0.15);
            --text-primary: #E8EDF5;
            --text-secondary: #8FA3C0;
            --text-muted: #5B6F8C;
            --accent-blue: #00D4FF;
            --accent-deep: #0077FF;
            --accent-cyan: #38BDF8;
            --accent-glow: rgba(0, 212, 255, 0.35);
            --accent-gold: #FFB800;
            --accent-gold-soft: #FCD34D;
            --accent-green: #10B981;
            --accent-red: #EF4444;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(0, 212, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px var(--accent-glow);
            --shadow-glow-lg: 0 0 40px rgba(0, 212, 255, 0.45);
            --font-sans: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 30% 20%, rgba(0, 119, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 50%, rgba(6, 11, 24, 0.95) 0%, transparent 100%);
            pointer-events: none;
            z-index: -1;
        }

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

        a:hover {
            color: #7DDBFF;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        /* ============ HEADER / NAV ============ */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 11, 24, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .header.scrolled {
            background: rgba(6, 11, 24, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-lg);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-base);
            flex-shrink: 0;
        }

        .logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            font-size: 1.2rem;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text .logo-main {
            font-size: 0.9rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
        }

        .logo-text .logo-sub {
            font-size: 0.68rem;
            font-weight: 500;
            color: var(--accent-gold);
            letter-spacing: 0.02em;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1100;
        }

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

        .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);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-links a:hover {
            color: var(--text-primary);
        }

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

        .nav-links a.active {
            color: var(--accent-blue);
        }

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

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

        .nav-btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent-blue);
            background: transparent;
            border: 1px solid rgba(0, 212, 255, 0.35);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-btn-login:hover {
            background: rgba(0, 212, 255, 0.08);
            border-color: var(--accent-blue);
            color: #7DDBFF;
        }

        .nav-btn-signup {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            font-weight: 700;
            color: #0A1628;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-btn-signup:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-1px);
            color: #0A1628;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: var(--spacing-md);
            background: rgba(6, 11, 24, 0.98);
            border-top: 1px solid var(--glass-border);
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

        .mobile-menu.open {
            max-height: 420px;
            padding: var(--spacing-md);
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 12px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(0, 212, 255, 0.08);
            color: var(--accent-blue);
        }

        /* ============ BREADCRUMB ============ */
        .breadcrumb-section {
            padding-top: 84px;
            padding-bottom: 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--text-muted);
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: var(--spacing-lg);
        }

        .breadcrumb a {
            color: var(--text-secondary);
            font-weight: 500;
            transition: color var(--transition-base);
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* ============ ARTICLE HERO ============ */
        .article-hero {
            padding: var(--spacing-lg) 0 var(--spacing-2xl);
        }

        .article-hero-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
        }

        .article-hero-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: var(--spacing-md);
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            color: #0A1628;
            background: linear-gradient(135deg, var(--accent-gold-soft), var(--accent-gold));
            box-shadow: 0 0 16px rgba(255, 184, 0, 0.3);
        }

        .article-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .article-date i {
            color: var(--accent-blue);
            font-size: 0.7rem;
        }

        .article-hero h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.015em;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }

        .article-hero .article-excerpt {
            font-size: 1.02rem;
            line-height: 1.65;
            color: var(--text-secondary);
            max-width: 820px;
            border-left: 3px solid var(--accent-gold);
            padding-left: var(--spacing-md);
            margin-top: var(--spacing-sm);
        }

        .article-hero-image {
            margin-top: var(--spacing-lg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-lg);
        }

        .article-hero-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
        }

        .article-hero-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(6, 11, 24, 0.7), transparent);
            pointer-events: none;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        /* ============ ARTICLE BODY ============ */
        .article-body-section {
            padding: var(--spacing-lg) 0 var(--spacing-2xl);
        }

        .article-body {
            max-width: 820px;
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.7;
        }

        .article-body h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: var(--spacing-xl);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.01em;
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
        }

        .article-body p {
            margin-bottom: var(--spacing-md);
            line-height: 1.7;
            color: var(--text-secondary);
        }

        .article-body ul,
        .article-body ol {
            margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-lg);
            padding-left: var(--spacing-sm);
        }

        .article-body li {
            margin-bottom: var(--spacing-xs);
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .article-body img {
            margin: var(--spacing-md) 0;
            border-radius: var(--radius-lg);
        }

        .article-body blockquote {
            margin: var(--spacing-lg) 0;
            padding: var(--spacing-md) var(--spacing-lg);
            background: var(--bg-card);
            border-left: 3px solid var(--accent-blue);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-primary);
        }

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

        .article-body a:hover {
            color: #7DDBFF;
        }

        .article-not-found {
            text-align: left;
            padding: var(--spacing-2xl) 0;
            color: var(--text-secondary);
        }

        .article-not-found h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .article-not-found p {
            margin-bottom: var(--spacing-md);
        }

        .article-not-found a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--accent-blue);
        }

        /* ============ METRICS ============ */
        .metrics-section {
            padding: var(--spacing-2xl) 0;
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-soft));
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .metric-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .metric-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto var(--spacing-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 119, 255, 0.15));
            color: var(--accent-blue);
            font-size: 1.2rem;
        }

        .metric-number {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .metric-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-top: 4px;
        }

        .metric-card:nth-child(2) .metric-number {
            color: var(--accent-gold);
        }

        .metric-card:nth-child(3) .metric-number {
            color: var(--accent-green);
        }

        .metric-card:nth-child(4) .metric-number {
            color: var(--accent-cyan);
        }

        /* ============ RELATED SECTION ============ */
        .related-section {
            padding: var(--spacing-2xl) 0;
        }

        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .section-heading h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-heading h2 i {
            color: var(--accent-blue);
            font-size: 1.1rem;
        }

        .section-link-more {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-blue);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-base);
        }

        .section-link-more:hover {
            color: #7DDBFF;
            gap: 10px;
        }

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

        .related-card {
            display: block;
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            color: inherit;
        }

        .related-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            color: inherit;
        }

        .related-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .related-card-body {
            padding: var(--spacing-md);
        }

        .related-card-body h3 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: var(--spacing-xs);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-body p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-empty {
            grid-column: 1 / -1;
            text-align: left;
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            color: var(--text-muted);
        }

        /* ============ TRUST SECTION ============ */
        .trust-section {
            padding: var(--spacing-2xl) 0;
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .trust-item {
            text-align: left;
            padding: var(--spacing-md);
        }

        .trust-item-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(0, 212, 255, 0.08);
            color: var(--accent-blue);
            font-size: 1.1rem;
            margin-bottom: var(--spacing-sm);
        }

        .trust-item h3 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .trust-item p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ============ FAQ SECTION ============ */
        .faq-section {
            padding: var(--spacing-2xl) 0;
        }

        .faq-list {
            max-width: 820px;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            list-style: none;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
            transition: color var(--transition-base);
            user-select: none;
        }

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

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.7rem;
            color: var(--accent-blue);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

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

        .faq-item .faq-content {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .faq-item .faq-content p {
            margin-bottom: var(--spacing-sm);
        }

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

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: var(--spacing-3xl) 0;
        }

        .cta-panel {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background:
                linear-gradient(135deg, rgba(0, 119, 255, 0.15) 0%, rgba(10, 22, 40, 0.9) 40%, rgba(255, 184, 0, 0.12) 100%),
                url('/assets/images/e2e197eb1db6d81c.jpg') center / cover no-repeat;
            border: 1px solid var(--glass-border);
            padding: var(--spacing-2xl) var(--spacing-xl);
            text-align: left;
            box-shadow: var(--shadow-lg);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 11, 24, 0.85) 0%, rgba(6, 11, 24, 0.6) 60%, rgba(6, 11, 24, 0.85) 100%);
            pointer-events: none;
            z-index: 0;
        }

        .cta-panel-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: var(--spacing-xl);
            max-width: 900px;
        }

        .cta-panel h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-sm);
        }

        .cta-panel h2 span {
            color: var(--accent-gold);
        }

        .cta-panel p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 520px;
        }

        .cta-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-shrink: 0;
        }

        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 800;
            color: #0A1628;
            background: linear-gradient(135deg, var(--accent-gold-soft), var(--accent-gold));
            box-shadow: 0 0 24px rgba(255, 184, 0, 0.35);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .cta-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(255, 184, 0, 0.5);
            color: #0A1628;
        }

        .cta-btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-blue);
            background: transparent;
            border: 1px solid rgba(0, 212, 255, 0.35);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .cta-btn-secondary:hover {
            background: rgba(0, 212, 255, 0.08);
            border-color: var(--accent-blue);
            color: #7DDBFF;
        }

        /* ============ FOOTER ============ */
        .footer {
            background: rgba(4, 8, 18, 0.9);
            border-top: 1px solid var(--glass-border);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
            margin-top: var(--spacing-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand .logo {
            margin-bottom: var(--spacing-md);
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .footer-col ul a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--accent-blue);
            gap: 10px;
        }

        .footer-col ul a i {
            color: var(--accent-blue);
            font-size: 0.6rem;
            width: 14px;
            text-align: center;
        }

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

        .footer-bottom p {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

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

        .footer-bottom .footer-links a {
            font-size: 0.72rem;
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

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

        .footer-badge-18 {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.68rem;
            font-weight: 700;
            color: #fff;
            background: rgba(239, 68, 68, 0.2);
            border: 1px solid rgba(239, 68, 68, 0.4);
            letter-spacing: 0.02em;
        }

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

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

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

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: var(--spacing-lg);
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .cta-panel-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .cta-actions {
                flex-direction: row;
                flex-wrap: wrap;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
            }

            .mobile-menu {
                display: flex;
            }

            .nav-actions {
                gap: 6px;
            }

            .nav-btn-login,
            .nav-btn-signup {
                padding: 7px 12px;
                font-size: 0.75rem;
            }

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

            .article-hero .article-excerpt {
                font-size: 0.92rem;
            }

            .article-body {
                font-size: 0.9rem;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }

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

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

            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }

            .cta-panel {
                padding: var(--spacing-lg) var(--spacing-md);
            }

            .cta-panel h2 {
                font-size: 1.25rem;
            }

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

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }
        }

        @media (max-width: 520px) {
            .nav-wrapper {
                height: 56px;
                gap: var(--spacing-sm);
            }

            .logo-text .logo-main {
                font-size: 0.78rem;
            }

            .logo-text .logo-sub {
                font-size: 0.6rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
                border-radius: 8px;
            }

            .nav-btn-login,
            .nav-btn-signup {
                padding: 6px 10px;
                font-size: 0.7rem;
            }

            .breadcrumb {
                font-size: 0.7rem;
            }

            .article-hero h1 {
                font-size: 1.2rem;
            }

            .article-hero .article-excerpt {
                font-size: 0.85rem;
                padding-left: var(--spacing-sm);
            }

            .metric-number {
                font-size: 1.2rem;
            }

            .metric-card {
                padding: var(--spacing-md);
            }

            .trust-item {
                padding: var(--spacing-sm);
            }

            .faq-item summary {
                font-size: 0.82rem;
                padding: var(--spacing-sm) var(--spacing-md);
            }

            .faq-item .faq-content {
                font-size: 0.78rem;
                padding: 0 var(--spacing-md) var(--spacing-sm);
            }

            .cta-panel h2 {
                font-size: 1.05rem;
            }

            .cta-panel p {
                font-size: 0.82rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #060B18;
            --bg-secondary: #0A1628;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(10, 22, 40, 0.75);
            --glass-border: rgba(0, 212, 255, 0.15);
            --text-primary: #E8EDF5;
            --text-secondary: #8FA3C0;
            --text-muted: #5B6F8C;
            --accent-blue: #00D4FF;
            --accent-deep: #0077FF;
            --accent-cyan: #38BDF8;
            --accent-glow: rgba(0, 212, 255, 0.35);
            --accent-gold: #FFB800;
            --accent-green: #10B981;
            --accent-red: #EF4444;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(0, 212, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px var(--accent-glow);
            --shadow-glow-lg: 0 0 40px rgba(0, 212, 255, 0.45);
            --font-sans: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 20%, rgba(0, 119, 255, 0.08) 0%, transparent 55%),
                        radial-gradient(ellipse at 70% 80%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                        radial-gradient(ellipse at 50% 50%, rgba(6, 11, 24, 0.95) 0%, transparent 100%);
            pointer-events: none;
            z-index: -1;
        }
        a {
            color: var(--accent-blue);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: #7DDBFF;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }
        /* ============ HEADER / NAV ============ */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 11, 24, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .header.scrolled {
            background: rgba(6, 11, 24, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-lg);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-base);
            flex-shrink: 0;
        }
        .logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            font-size: 1.2rem;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text .logo-main {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--text-primary);
        }
        .logo-text .logo-sub {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-block;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
        }
        .nav-links a.active {
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.1);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .nav-btn-login {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-blue);
            border: 1px solid rgba(0, 212, 255, 0.35);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-btn-login:hover {
            background: rgba(0, 212, 255, 0.08);
            color: #7DDBFF;
            border-color: rgba(0, 212, 255, 0.55);
        }
        .nav-btn-signup {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            color: #060B18;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-btn-signup:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-1px);
            color: #060B18;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: var(--spacing-md);
            gap: 4px;
            background: rgba(6, 11, 24, 0.97);
            border-top: 1px solid var(--glass-border);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }
        .mobile-menu a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
        }
        .mobile-menu a.active {
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.1);
        }
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu.show {
                display: flex;
            }
            .nav-wrapper {
                height: 56px;
            }
        }
        /* ============ SECTIONS ============ */
        .section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.2);
            margin-bottom: var(--spacing-md);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 700px;
            margin-bottom: var(--spacing-xl);
        }
        /* ============ HERO ============ */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 120px 0 var(--spacing-3xl);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            object-fit: cover;
            opacity: 0.35;
            filter: saturate(0.8) contrast(1.1);
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            background: linear-gradient(180deg, rgba(6,11,24,0.65) 0%, rgba(6,11,24,0.85) 50%, rgba(6,11,24,0.95) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            background: rgba(255, 184, 0, 0.1);
            border: 1px solid rgba(255, 184, 0, 0.3);
            margin-bottom: var(--spacing-lg);
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .hero h1 .highlight {
            color: var(--accent-blue);
            text-shadow: 0 0 20px var(--accent-glow);
        }
        .hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-xl);
            max-width: 550px;
        }
        .hero-actions {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #060B18;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-base);
            border: none;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
            color: #060B18;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }
        .btn-secondary:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            color: var(--text-primary);
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #1A0E00;
            background: linear-gradient(135deg, var(--accent-gold), #FFE066);
            box-shadow: 0 0 24px rgba(255, 184, 0, 0.35);
            transition: all var(--transition-base);
        }
        .btn-gold:hover {
            box-shadow: 0 0 40px rgba(255, 184, 0, 0.55);
            transform: translateY(-2px);
            color: #1A0E00;
        }
        .hero-side {
            position: relative;
            z-index: 2;
        }
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: var(--spacing-xl);
            transition: all var(--transition-base);
        }
        /* ============ EVENT CARDS ============ */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .event-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .event-card .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
        }
        .tag-hot {
            background: rgba(239, 68, 68, 0.15);
            color: #F87171;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }
        .tag-gold {
            background: rgba(255, 184, 0, 0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 184, 0, 0.3);
        }
        .tag-green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        .event-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
            line-height: 1.4;
        }
        .event-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: var(--spacing-md);
        }
        .event-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }
        .event-meta i {
            font-size: 0.7rem;
            color: var(--accent-blue);
        }
        /* ============ STATS ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }
        .stat-item {
            text-align: center;
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }
        .stat-item:hover {
            border-color: var(--border-focus);
            background: var(--bg-card-hover);
        }
        .stat-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        /* ============ TIMELINE ============ */
        .timeline {
            position: relative;
            padding-left: 32px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-blue), var(--accent-deep), transparent);
        }
        .timeline-item {
            position: relative;
            padding-bottom: var(--spacing-xl);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-blue);
            box-shadow: 0 0 12px var(--accent-glow);
            border: 2px solid var(--bg-primary);
        }
        .timeline-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* ============ CONTENT LIST ============ */
        .content-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        .content-item {
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .content-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-2px);
        }
        .content-item img {
            width: 110px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .content-item-body h5 {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .content-item-body h5 a {
            color: var(--text-primary);
            transition: color var(--transition-base);
        }
        .content-item-body h5 a:hover {
            color: var(--accent-blue);
        }
        .content-item-body p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-item-body .meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-focus);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            width: 100%;
            text-align: left;
            gap: var(--spacing-md);
            transition: color var(--transition-base);
        }
        .faq-question:hover {
            color: var(--accent-blue);
        }
        .faq-question i {
            font-size: 0.7rem;
            color: var(--accent-blue);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 119, 255, 0.15), rgba(0, 212, 255, 0.1));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-3xl) var(--spacing-2xl);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            position: relative;
            z-index: 1;
            max-width: 600px;
            line-height: 1.7;
        }
        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.05rem;
            padding: 14px 32px;
        }
        /* ============ FOOTER ============ */
        .footer {
            background: #04070F;
            border-top: 1px solid var(--glass-border);
            padding: var(--spacing-2xl) 0;
            margin-top: var(--spacing-3xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-2xl);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: var(--spacing-md);
            max-width: 350px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 0.82rem;
            color: var(--text-secondary);
            transition: color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover {
            color: var(--accent-blue);
        }
        .footer-bottom {
            margin-top: var(--spacing-2xl);
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        .footer-bottom p {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-bottom .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(239, 68, 68, 0.15);
            border: 1px solid rgba(239, 68, 68, 0.35);
            color: #F87171;
            font-weight: 800;
            font-size: 0.7rem;
            flex-shrink: 0;
        }
        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            font-size: 1.4rem;
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.45);
            border: 2px solid rgba(0, 212, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-base);
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 40px rgba(0, 212, 255, 0.65);
        }
        .fab:active {
            transform: scale(0.95) translateY(1px);
        }
        .fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid var(--bg-primary);
            animation: pulse 1.5s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6); }
            50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
        }
        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-xl);
            }
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            .hero {
                min-height: auto;
                padding: 100px 0 var(--spacing-2xl);
            }
            .section {
                padding: var(--spacing-2xl) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .content-list {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: var(--spacing-2xl) var(--spacing-lg);
            }
        }
        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .stat-value {
                font-size: 1.4rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary, .btn-secondary, .btn-gold {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 1.3rem;
            }
        }
        .mt-40 { margin-top: 40px; }
        .mb-40 { margin-bottom: 40px; }
        .fw-7 { font-weight: 700; }
        .text-gold { color: var(--accent-gold); }
        .text-secondary-c { color: var(--text-secondary); }
        .d-flex-center { display: flex; align-items: center; }
        .gap-2 { gap: 8px; }

/* roulang page: category2 */
:root {
            --bg-primary: #060B18;
            --bg-secondary: #0A1628;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(10, 22, 40, 0.75);
            --glass-border: rgba(0, 212, 255, 0.15);
            --text-primary: #E8EDF5;
            --text-secondary: #8FA3C0;
            --text-muted: #5B6F8C;
            --accent-blue: #00D4FF;
            --accent-deep: #0077FF;
            --accent-cyan: #38BDF8;
            --accent-glow: rgba(0, 212, 255, 0.35);
            --accent-gold: #FFB800;
            --accent-green: #10B981;
            --accent-red: #EF4444;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(0, 212, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px var(--accent-glow);
            --shadow-glow-lg: 0 0 40px rgba(0, 212, 255, 0.45);
            --font-sans: 'Be Vietnam Pro', 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --max-width: 1200px;
        }

        /* Bootstrap Overrides - Deep customization */
        .btn-primary {
            --bs-btn-bg: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            --bs-btn-border: none;
            --bs-btn-hover-bg: linear-gradient(135deg, #7DDBFF, var(--accent-deep));
            --bs-btn-active-bg: linear-gradient(135deg, var(--accent-deep), #0055CC);
            --bs-btn-color: #fff;
            --bs-btn-hover-color: #fff;
            --bs-btn-active-color: #fff;
            --bs-btn-font-weight: 700;
            --bs-btn-padding-x: 1.5rem;
            --bs-btn-padding-y: 0.75rem;
            --bs-btn-border-radius: 12px;
            --bs-btn-box-shadow: var(--shadow-glow);
            letter-spacing: 0.02em;
            font-family: var(--font-sans);
            transition: all var(--transition-base);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-light {
            --bs-btn-color: var(--text-primary);
            --bs-btn-border-color: var(--glass-border);
            --bs-btn-hover-bg: var(--bg-card-hover);
            --bs-btn-hover-border-color: var(--accent-blue);
            --bs-btn-hover-color: var(--accent-blue);
            --bs-btn-border-radius: 12px;
            --bs-btn-font-weight: 600;
            --bs-btn-padding-x: 1.5rem;
            --bs-btn-padding-y: 0.75rem;
            font-family: var(--font-sans);
            background: rgba(255, 255, 255, 0.03);
            transition: all var(--transition-base);
        }
        .btn-outline-light:hover {
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.25);
            transform: translateY(-2px);
        }
        .badge {
            font-weight: 600;
            letter-spacing: 0.03em;
            font-family: var(--font-sans);
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            color: var(--text-primary);
            font-family: var(--font-sans);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            transform: translateY(-4px);
        }
        .card-title {
            color: var(--text-primary);
            font-weight: 700;
            font-family: var(--font-sans);
        }
        .card-text {
            color: var(--text-secondary);
            line-height: 1.65;
            font-family: var(--font-sans);
        }
        .accordion {
            --bs-accordion-bg: var(--bg-card);
            --bs-accordion-border-color: var(--border-subtle);
            --bs-accordion-color: var(--text-primary);
            --bs-accordion-btn-color: var(--text-primary);
            --bs-accordion-btn-bg: transparent;
            --bs-accordion-active-bg: rgba(0, 212, 255, 0.08);
            --bs-accordion-active-color: var(--accent-blue);
            --bs-accordion-btn-focus-box-shadow: 0 0 0 2px var(--border-focus);
            --bs-accordion-border-radius: var(--radius-md);
            font-family: var(--font-sans);
        }
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            padding: 1.2rem 1.5rem;
            background: var(--bg-card);
            border-radius: var(--radius-md) !important;
            font-family: var(--font-sans);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0, 212, 255, 0.06);
            border-bottom: 1px solid var(--border-subtle);
        }
        .accordion-button:focus {
            outline: none;
            box-shadow: 0 0 0 2px var(--border-focus);
        }
        .accordion-body {
            color: var(--text-secondary);
            line-height: 1.65;
            padding: 1.2rem 1.5rem;
            font-family: var(--font-sans);
        }
        .form-control {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            color: var(--text-primary);
            padding: 0.8rem 1rem;
            font-family: var(--font-sans);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .form-control:focus {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--accent-blue);
            color: var(--text-primary);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
            outline: none;
        }
        .form-control::placeholder {
            color: var(--text-muted);
        }

        /* Base & Reset */
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 64px;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 20% 15%, rgba(0, 119, 255, 0.08) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 85%, rgba(0, 212, 255, 0.06) 0%, transparent 50%),
                        radial-gradient(ellipse at 50% 50%, rgba(6, 11, 24, 0.92) 0%, transparent 100%);
            pointer-events: none;
            z-index: -1;
        }
        a {
            color: var(--accent-blue);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: #7DDBFF;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            width: 100%;
        }

        /* Header / Nav */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 11, 24, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .header.scrolled {
            background: rgba(6, 11, 24, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: var(--spacing-lg);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-base);
            flex-shrink: 0;
        }
        .logo:hover {
            opacity: 0.85;
            color: var(--text-primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            color: #fff;
            font-size: 1.2rem;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text .logo-main {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--text-primary);
        }
        .logo-text .logo-sub {
            font-size: 0.68rem;
            font-weight: 600;
            color: var(--accent-gold);
            letter-spacing: 0.05em;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            padding: 8px;
            transition: all var(--transition-base);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle:hover {
            border-color: var(--glass-border);
            box-shadow: var(--shadow-glow);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active {
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.08);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .nav-btn-login {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-primary);
            padding: 8px 16px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            background: transparent;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            white-space: nowrap;
        }
        .nav-btn-login:hover {
            border-color: var(--accent-blue);
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.06);
        }
        .nav-btn-signup {
            font-size: 0.82rem;
            font-weight: 700;
            color: #fff;
            padding: 8px 18px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-deep));
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            white-space: nowrap;
        }
        .nav-btn-signup:hover {
            box-shadow: var(--shadow-glow-lg);
            transform: translateY(-1px);
            color: #fff;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 12px 16px 16px;
            background: rgba(6, 11, 24, 0.97);
            border-bottom: 1px solid var(--glass-border);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }
        .mobile-menu a {
            padding: 10px 14px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 10px;
            transition: all var(--transition-base);
        }
        .mobile-menu a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .mobile-menu a.active {
            color: var(--accent-blue);
            background: rgba(0, 212, 255, 0.08);
        }

        /* Main content sections */
        main {
            min-height: 60vh;
        }
        .section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }
        .section-sm {
            padding: var(--spacing-2xl) 0;
        }
        .section-header {
            margin-bottom: var(--spacing-2xl);
        }
        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 640px;
            margin: 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-blue);
            margin-bottom: 12px;
        }
        .section-label .icon-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-blue);
            box-shadow: 0 0 8px var(--accent-blue);
        }
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--border-subtle), transparent);
            margin: var(--spacing-xl) 0;
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
        }
        .number-display {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .number-display .unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-left: 2px;
        }

        /* Hero with card stacking */
        .hero {
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: radial-gradient(ellipse at 70% 30%, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .hero-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .hero .label-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid var(--glass-border);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-blue);
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .hero-main-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            position: relative;
            overflow: hidden;
        }
        .hero-main-card::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-side-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            position: relative;
            transition: all var(--transition-base);
        }
        .hero-side-card:hover {
            border-color: var(--border-focus);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            transform: translateY(-4px);
        }
        .hero-side-card .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .hero-side-card .card-icon.blue {
            background: rgba(0, 119, 255, 0.12);
            color: var(--accent-blue);
            border: 1px solid rgba(0, 212, 255, 0.2);
        }
        .hero-side-card .card-icon.gold {
            background: rgba(255, 184, 0, 0.1);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 184, 0, 0.2);
        }
        .hero-side-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .hero-side-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Stats board */
        .stats-board {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-lg);
        }
        .stat-item {
            text-align: left;
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .stat-item .stat-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-item .stat-value .stat-unit {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-blue);
            margin-left: 3px;
        }
        .stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .stat-item .stat-badge {
            display: inline-block;
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-green);
            padding: 3px 8px;
            border-radius: 50px;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.2);
            margin-top: 8px;
        }

        /* Weapon tier cards */
        .weapon-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            height: 100%;
        }
        .weapon-card:hover {
            border-color: var(--border-focus);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .weapon-card .weapon-tier {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.68rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            padding: 4px 10px;
            border-radius: 50px;
            margin-bottom: 14px;
        }
        .weapon-card .weapon-tier.tier-s {
            background: rgba(255, 184, 0, 0.12);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 184, 0, 0.3);
        }
        .weapon-card .weapon-tier.tier-a {
            background: rgba(0, 212, 255, 0.1);
            color: var(--accent-blue);
            border: 1px solid rgba(0, 212, 255, 0.25);
        }
        .weapon-card .weapon-tier.tier-b {
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }
        .weapon-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .weapon-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .weapon-card .weapon-stats {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-subtle);
        }
        .weapon-card .weapon-stats .stat-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .weapon-card .weapon-stats .stat-row .stat-name {
            color: var(--text-muted);
        }
        .weapon-card .weapon-stats .stat-row .stat-value {
            font-weight: 700;
            color: var(--text-primary);
        }
        .weapon-card .weapon-image {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }

        /* Comparison table */
        .comparison-table {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            overflow-x: auto;
        }
        .comparison-table .table {
            --bs-table-bg: transparent;
            --bs-table-color: var(--text-primary);
            --bs-table-border-color: var(--border-subtle);
            margin-bottom: 0;
            font-size: 0.85rem;
            font-family: var(--font-sans);
        }
        .comparison-table .table th {
            font-weight: 700;
            color: var(--accent-blue);
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            border-bottom: 2px solid var(--border-focus);
            padding: 12px 16px;
            white-space: nowrap;
        }
        .comparison-table .table td {
            padding: 12px 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-subtle);
            vertical-align: middle;
        }
        .comparison-table .table td:first-child {
            font-weight: 700;
            color: var(--text-primary);
        }
        .comparison-table .table tr:last-child td {
            border-bottom: none;
        }

        /* Milestone timeline */
        .milestone-timeline {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: relative;
            padding-left: 32px;
        }
        .milestone-timeline::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-blue), var(--accent-deep), transparent);
            border-radius: 2px;
        }
        .milestone-item {
            position: relative;
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
        }
        .milestone-item:hover {
            border-color: var(--border-focus);
            box-shadow: var(--shadow-md), var(--shadow-glow);
        }
        .milestone-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 28px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-blue);
            box-shadow: 0 0 12px var(--accent-glow);
            border: 2px solid var(--bg-primary);
        }
        .milestone-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .milestone-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .milestone-item .milestone-step {
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--accent-blue);
            margin-bottom: 6px;
        }

        /* News list */
        .news-list-grid {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
        }
        .news-item:hover {
            border-color: var(--border-focus);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .news-item .news-thumb {
            flex-shrink: 0;
            width: 80px;
            height: 80px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-content h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.45;
        }
        .news-item .news-content .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }
        .news-item .news-content .news-excerpt {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .empty-state {
            text-align: center;
            padding: var(--spacing-2xl);
            color: var(--text-muted);
            font-style: italic;
        }

        /* Platform trust */
        .trust-platform {
            background: var(--bg-secondary);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            position: relative;
            overflow: hidden;
        }
        .trust-platform::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(to right, var(--accent-blue), var(--accent-deep), transparent);
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
        }
        .trust-item .trust-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            background: rgba(0, 212, 255, 0.08);
            color: var(--accent-blue);
            border: 1px solid var(--glass-border);
        }
        .trust-item .trust-icon.green {
            background: rgba(16, 185, 129, 0.08);
            color: var(--accent-green);
            border-color: rgba(16, 185, 129, 0.2);
        }
        .trust-item .trust-icon.gold {
            background: rgba(255, 184, 0, 0.08);
            color: var(--accent-gold);
            border-color: rgba(255, 184, 0, 0.2);
        }
        .trust-item h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .trust-item p {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 119, 255, 0.08) 0%, rgba(0, 212, 255, 0.05) 50%, rgba(6, 11, 24, 0.9) 100%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 24px;
            max-width: 560px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-form .form-control {
            flex: 1;
            min-width: 200px;
            max-width: 380px;
        }

        /* Footer */
        .footer {
            background: rgba(6, 11, 24, 0.85);
            border-top: 1px solid var(--glass-border);
            padding: var(--spacing-2xl) 0;
            margin-top: var(--spacing-3xl);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
        }
        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 12px;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--accent-blue);
            transform: translateX(4px);
        }
        .footer-copyright {
            margin-top: var(--spacing-xl);
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--border-subtle);
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-copyright a {
            color: var(--text-secondary);
        }
        .footer-copyright a:hover {
            color: var(--accent-blue);
        }

        /* FAB - Fixed Floating Action Button */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan), var(--accent-deep)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-blue);
            text-decoration: none;
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .fab:hover {
            box-shadow: 0 0 32px rgba(0, 212, 255, 0.55);
            transform: scale(1.08);
            color: #fff;
            background: rgba(0, 119, 255, 0.2);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid rgba(7, 7, 13, 0.9);
            box-shadow: 0 0 8px rgba(239, 68, 68, 0.6);
            animation: fab-pulse 2s infinite;
        }
        @keyframes fab-pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Responsive breakpoints */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
            .hero h1 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .nav-wrapper {
                height: 58px;
            }
            body {
                padding-top: 58px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .section {
                padding: var(--spacing-2xl) 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .hero {
                padding: var(--spacing-2xl) 0;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-main-card {
                padding: var(--spacing-lg);
            }
            .hero-side-card {
                padding: var(--spacing-md);
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .stats-board {
                padding: var(--spacing-lg);
            }
            .stat-item .stat-value {
                font-size: 1.5rem;
            }
            .comparison-table {
                padding: var(--spacing-lg);
            }
            .cta-section {
                padding: var(--spacing-xl);
            }
            .cta-form .form-control {
                max-width: 100%;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
                border-radius: 12px;
            }
        }
        @media (max-width: 520px) {
            .nav-actions {
                gap: 6px;
            }
            .nav-btn-login {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .nav-btn-signup {
                padding: 6px 14px;
                font-size: 0.75rem;
            }
            .logo-text .logo-main {
                font-size: 0.8rem;
            }
            .logo-text .logo-sub {
                font-size: 0.6rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .hero h1 {
                font-size: 1.3rem;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .footer-copyright {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* 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}