/* roulang page: index */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --bg-card: #1A1A1A;
            --bg-elevated: #242424;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-gradient: linear-gradient(135deg, #FF4500 0%, #FF0000 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #999999;
            --border-color: #333333;
            --border-accent: #FF4500;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);
            --shadow-accent: 0 8px 32px rgba(255,69,0,0.25);
            --font-primary: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 80px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: #FF6633;
        }

        button, .button {
            cursor: pointer;
            transition: var(--transition);
        }

        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 69, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
            max-width: 320px;
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 1.6rem;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--accent-primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .main-nav a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 69, 0, 0.1);
        }

        .main-nav a.active {
            color: var(--text-primary);
            background: var(--accent-gradient);
            font-weight: 600;
        }

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

        .btn-login {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 50px;
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.05);
            border-color: rgba(255,255,255,0.1);
        }

        .btn-signup {
            background: var(--accent-gradient);
            color: #fff;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 50px;
            border: none;
            font-size: 0.9rem;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255,69,0,0.4);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(rgba(11,11,11,0.75), rgba(11,11,11,0.85)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: var(--spacing-xl) 0;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255,69,0,0.15) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
            background: rgba(255,69,0,0.15);
            border: 1px solid rgba(255,69,0,0.3);
            color: var(--accent-primary);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--accent-primary);
            border-radius: 50%;
            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-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: var(--spacing-md);
            letter-spacing: -1px;
        }

        .hero h1 .highlight {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
        }

        .btn-primary {
            background: var(--accent-gradient);
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            font-size: 1rem;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(255,69,0,0.5);
            color: #fff;
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            border: 2px solid rgba(255,255,255,0.3);
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover {
            border-color: var(--accent-primary);
            background: rgba(255,69,0,0.1);
            color: var(--text-primary);
            transform: translateY(-3px);
        }

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

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

        .hero-stat .number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1;
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .countdown-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 3;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255,69,0,0.3);
            padding: var(--spacing-sm) var(--spacing-md);
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .countdown-text {
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .countdown-text i {
            color: var(--accent-primary);
        }

        .countdown-timer {
            display: flex;
            gap: var(--spacing-xs);
            align-items: center;
        }

        .timer-block {
            background: rgba(255,69,0,0.15);
            border: 1px solid rgba(255,69,0,0.3);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            text-align: center;
            min-width: 48px;
        }

        .timer-block .time {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-primary);
            display: block;
        }

        .timer-block .unit {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
        }

        /* ========== SECTIONS GENERAL ========== */
        section {
            padding: var(--spacing-xl) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-tag {
            display: inline-block;
            background: rgba(255,69,0,0.12);
            color: var(--accent-primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 650px;
            line-height: 1.7;
        }

        /* ========== BULLET LIST / FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent-gradient);
            opacity: 0;
            transition: var(--transition);
        }

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

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

        .feature-icon {
            width: 56px;
            height: 56px;
            background: rgba(255,69,0,0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-sm);
            font-size: 1.6rem;
            color: var(--accent-primary);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            line-height: 1.3;
        }

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

        /* ========== BULLET LIST (Exploded Items) ========== */
        .bullets-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

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

        .bullet-item:hover {
            border-color: var(--border-accent);
            transform: translateX(4px);
            box-shadow: var(--shadow-sm);
        }

        .bullet-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1;
            flex-shrink: 0;
            min-width: 40px;
        }

        .bullet-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .bullet-content p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ========== CMS LIST ========== */
        .cms-section {
            background: var(--bg-secondary);
        }

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

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

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

        .cms-item:hover {
            border-color: var(--border-accent);
            background: var(--bg-elevated);
            transform: translateX(4px);
        }

        .cms-item-icon {
            width: 40px;
            height: 40px;
            background: rgba(255,69,0,0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            flex-shrink: 0;
            font-size: 1rem;
        }

        .cms-item-content {
            flex: 1;
            min-width: 0;
        }

        .cms-item-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 2px;
        }

        .cms-item-title:hover {
            color: var(--accent-primary);
        }

        .cms-item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .cms-empty {
            background: var(--bg-card);
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-sm);
            padding: var(--spacing-lg);
            text-align: center;
            color: var(--text-muted);
        }

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

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

        .cms-sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-primary);
        }

        .cms-sidebar-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }

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

        .theme-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .theme-card:hover {
            border-color: var(--border-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .theme-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .theme-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
        }

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

        .theme-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
        }

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

        /* ========== OPINIONS / INSIGHTS ========== */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .insight-card {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: var(--spacing-md);
            transition: var(--transition);
        }

        .insight-card:hover {
            background: var(--bg-elevated);
            box-shadow: var(--shadow-sm);
        }

        .insight-card blockquote {
            color: var(--text-secondary);
            font-style: italic;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: var(--spacing-xs);
        }

        .insight-card .insight-author {
            color: var(--accent-primary);
            font-weight: 600;
            font-size: 0.85rem;
        }

        /* ========== LATEST UPDATES TABLE ========== */
        .updates-list {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .update-row {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) var(--spacing-md);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .update-row:last-child {
            border-bottom: none;
        }

        .update-row:hover {
            background: var(--bg-elevated);
        }

        .update-status {
            width: 10px;
            height: 10px;
            background: var(--accent-primary);
            border-radius: 50%;
            flex-shrink: 0;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        .update-content {
            flex: 1;
            min-width: 0;
        }

        .update-content .update-title {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        .update-content .update-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .update-tag {
            background: rgba(255,69,0,0.12);
            color: var(--accent-primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            flex-shrink: 0;
        }

        /* ========== 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-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255,69,0,0.4);
        }

        .faq-question {
            padding: var(--spacing-md);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: var(--bg-elevated);
        }

        .faq-question i {
            color: var(--accent-primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

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

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(255,69,0,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
        }

        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: #050505;
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

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

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-top: var(--spacing-sm);
        }

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

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: var(--spacing-md);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ========== FAB ========== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.6;
            box-shadow: 0 0 15px rgba(255,69,0,0.5);
            background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), linear-gradient(135deg, #FF4500, #FF0000);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.8; }
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(255,69,0,0.7);
        }

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

        .fab i {
            font-size: 1.5rem;
            color: var(--accent-primary);
            animation: fab-icon-flicker 2s ease-in-out infinite;
        }

        @keyframes fab-icon-flicker {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .fab .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .themes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cms-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-top: var(--spacing-xs);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                text-align: center;
                padding: 10px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                margin-left: auto;
            }
            .hero {
                min-height: 500px;
                padding: var(--spacing-lg) 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                gap: var(--spacing-md);
            }
            .hero-stat .number {
                font-size: 1.5rem;
            }
            section {
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .bullets-list {
                grid-template-columns: 1fr;
            }
            .themes-grid {
                grid-template-columns: 1fr;
            }
            .insights-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .countdown-inner {
                flex-direction: column;
                text-align: center;
            }
            .btn-primary, .btn-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .logo {
                font-size: 1.1rem;
                max-width: 240px;
            }
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .hero {
                min-height: 420px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .btn-login {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .cms-item {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }
            .update-row {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.25);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.25);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --transition-base: all 0.25s ease;
            --font-sans: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        a:hover,
        a:focus {
            color: var(--accent-lime);
            outline: none;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 1rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-lime);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 6px rgba(204, 255, 0, 0.5));
        }

        .logo span {
            letter-spacing: 0.3px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
        }

        .main-nav a {
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0;
            position: relative;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent-lime);
            transition: width 0.3s ease;
        }

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

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login,
        .btn-signup {
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-base);
            border: none;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-login:hover,
        .btn-login:focus {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
        }

        .btn-signup {
            background: var(--accent-cyan);
            color: #0F0C20;
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.35);
        }

        .btn-signup:hover,
        .btn-signup:focus {
            background: var(--accent-lime);
            box-shadow: 0 0 18px rgba(204, 255, 0, 0.45);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            padding: 0.45rem 0.8rem;
            font-size: 1.1rem;
        }

        .article-hero {
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.95), rgba(11, 26, 48, 0.9)),
                url('/assets/images/backpic/back-2.jpg') center / cover no-repeat;
            padding: 3.5rem 0 2.5rem;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: relative;
            overflow: hidden;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.12), transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-silver);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }

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

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

        .breadcrumb i {
            font-size: 0.65rem;
            color: var(--text-silver);
        }

        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            color: var(--text-white);
            max-width: 900px;
            position: relative;
            z-index: 1;
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
            color: var(--text-silver);
            font-size: 0.9rem;
            position: relative;
            z-index: 1;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.45rem;
        }

        .article-meta i {
            color: var(--accent-cyan);
        }

        .meta-badge {
            background: rgba(204, 255, 0, 0.12);
            color: var(--accent-lime);
            border: 1px solid rgba(204, 255, 0, 0.3);
            border-radius: 20px;
            padding: 0.3rem 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            text-transform: uppercase;
        }

        .article-main {
            padding: 3rem 0 4rem;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            gap: 2.5rem;
        }

        .article-content {
            background: var(--bg-secondary);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-card);
            color: #E8EAF0;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            letter-spacing: -0.3px;
        }

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--accent-lime);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }

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

        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .article-content ul,
        .article-content ol {
            margin: 1rem 0 1.5rem 1.5rem;
            color: #E8EAF0;
        }

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

        .article-content blockquote {
            border-left: 4px solid var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            padding: 1.25rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
            font-style: italic;
            color: #D0D5DD;
        }

        .article-not-found {
            background: var(--bg-secondary);
            border: 1px solid rgba(255, 0, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .article-not-found i {
            font-size: 3rem;
            color: #FF4444;
            margin-bottom: 1rem;
            display: block;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--text-white);
        }

        .article-not-found p {
            color: var(--text-silver);
            margin-bottom: 1.5rem;
        }

        .btn-back-home {
            display: inline-block;
            background: var(--accent-cyan);
            color: #0F0C20;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            transition: var(--transition-base);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
        }

        .btn-back-home:hover,
        .btn-back-home:focus {
            background: var(--accent-lime);
            color: #0F0C20;
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.4);
            transform: translateY(-2px);
        }

        .article-cta {
            margin-top: 3rem;
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.08), rgba(0, 240, 255, 0.08));
            border: 1px solid rgba(204, 255, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .article-cta h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }

        .article-cta p {
            color: var(--text-silver);
            margin-bottom: 0;
            font-size: 1rem;
        }

        .btn-cta-primary {
            background: var(--accent-lime);
            color: #0F0C20;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition-base);
            box-shadow: 0 0 18px rgba(204, 255, 0, 0.35);
            border: none;
            white-space: nowrap;
        }

        .btn-cta-primary:hover,
        .btn-cta-primary:focus {
            background: var(--accent-cyan);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.45);
            transform: translateY(-2px);
        }

        .site-footer {
            background: #0A0815;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand .logo {
            margin-bottom: 1rem;
        }

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

        .footer-col h4 {
            color: var(--accent-cyan);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

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

        .footer-col li {
            margin-bottom: 0.6rem;
        }

        .footer-col a {
            color: var(--text-silver);
            font-size: 0.95rem;
            transition: var(--transition-base);
        }

        .footer-col a:hover,
        .footer-col a:focus {
            color: var(--accent-lime);
            padding-left: 4px;
        }

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

        .footer-bottom p {
            color: #6B7280;
            font-size: 0.85rem;
        }

        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 55;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fab-breathe 3s ease-in-out infinite;
            opacity: 0.7;
        }

        .fab-left:hover,
        .fab-left:focus {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 22px rgba(204, 255, 0, 0.6);
            border-color: var(--accent-lime);
            color: var(--accent-lime);
        }

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

        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2.1rem;
            }
            .article-content {
                padding: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: auto;
                padding: 0.75rem 0;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
                background: rgba(15, 12, 32, 0.98);
                padding: 1rem 0;
                border-top: 1px solid rgba(0, 240, 255, 0.15);
                margin-top: 0.75rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.6rem 0;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .article-hero {
                padding: 2rem 0 1.5rem;
            }
            .article-hero h1 {
                font-size: 1.7rem;
            }
            .article-content {
                padding: 1.25rem;
                font-size: 0.98rem;
            }
            .article-cta {
                padding: 1.5rem;
                flex-direction: column;
                text-align: center;
            }
            .article-cta h3 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 0.75rem;
                bottom: 5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .logo span {
                font-size: 0.9rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                gap: 0.75rem;
                font-size: 0.8rem;
                flex-wrap: wrap;
            }
            .article-content {
                padding: 1rem;
                font-size: 0.92rem;
            }
            .article-content h2 {
                font-size: 1.4rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
            .btn-cta-primary {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --bg-card: #1C1C1E;
            --bg-elevated: #232327;
            --accent-primary: #FF4500;
            --accent-secondary: #FF0000;
            --accent-glow: #FF6B35;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #8A8A8E;
            --border-subtle: #2A2A2E;
            --border-active: #FF4500;
            --success: #32CD32;
            --warning: #FFD700;
            --danger: #FF0000;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 20px rgba(255,69,0,0.3);
            --shadow-glow-hover: 0 0 40px rgba(255,69,0,0.5);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-primary: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 70px;
        }

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

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

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

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

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

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(11, 11, 11, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            background-color: rgba(11, 11, 11, 0.98);
            box-shadow: 0 4px 20px rgba(0,0,0,0.6);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .logo i {
            color: var(--accent-primary);
            font-size: 1.5rem;
            text-shadow: 0 0 10px rgba(255,69,0,0.5);
            animation: ghostFloat 3s ease-in-out infinite;
        }

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

        .logo:hover {
            color: var(--accent-primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background-color: var(--bg-elevated);
        }

        .main-nav a.active {
            color: var(--accent-primary);
            font-weight: 600;
            background-color: rgba(255,69,0,0.1);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: var(--accent-primary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(255,69,0,0.6);
        }

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background-color: var(--bg-elevated);
            border-color: var(--text-muted);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(255,69,0,0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255,69,0,0.6);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255,69,0,0.4);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
        }

        .mobile-menu-toggle:hover {
            background-color: var(--bg-elevated);
            color: var(--accent-primary);
        }

        /* ========== HERO ========== */
        .page-hero {
            padding: calc(var(--header-height) + 60px) 0 60px;
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,69,0,0.15);
            color: var(--accent-primary);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(255,69,0,0.3);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            font-size: 0.8rem;
            animation: pulseDot 2s ease-in-out infinite;
        }

        @keyframes pulseDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text-primary);
            max-width: 800px;
        }

        .page-hero h1 .highlight {
            color: var(--accent-primary);
            text-shadow: 0 0 20px rgba(255,69,0,0.5);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-stat-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(255,69,0,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.2rem;
            border: 1px solid rgba(255,69,0,0.25);
        }

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

        .hero-stat-value {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }

        .hero-cta-group {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(255,69,0,0.4);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(255,69,0,0.6);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(255,69,0,0.4);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover {
            background-color: var(--bg-elevated);
            border-color: var(--text-muted);
        }

        /* ========== MAIN SECTIONS ========== */
        .section {
            padding: 60px 0;
        }

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

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            color: var(--accent-primary);
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 15px;
            line-height: 1.3;
            color: var(--text-primary);
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.7;
        }

        /* ========== FEATURE CARDS ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .feature-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .feature-card:hover {
            border-color: rgba(255,69,0,0.4);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(255,69,0,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.6rem;
            margin-bottom: 20px;
            border: 1px solid rgba(255,69,0,0.25);
            transition: all var(--transition-normal);
        }

        .feature-card:hover .feature-icon {
            background: rgba(255,69,0,0.2);
            box-shadow: var(--shadow-glow);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

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

        /* ========== GAME SHOWCASE ========== */
        .game-showcase {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }

        .game-showcase-item {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .game-showcase-item:hover {
            border-color: rgba(255,69,0,0.4);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .game-showcase-img {
            position: relative;
            height: 240px;
            overflow: hidden;
        }

        .game-showcase-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .game-showcase-item:hover .game-showcase-img img {
            transform: scale(1.08);
        }

        .game-showcase-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.7) 100%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }

        .game-tag {
            background: rgba(255,69,0,0.9);
            color: #fff;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 2px 8px rgba(255,69,0,0.5);
        }

        .game-showcase-body {
            padding: 25px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-showcase-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .game-showcase-meta {
            display: flex;
            gap: 15px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .game-meta-item {
            display: flex;
            align-items: center;
            gap: 5px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .game-meta-item i {
            color: var(--accent-primary);
            font-size: 0.8rem;
        }

        .game-showcase-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-primary);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            border: 1px solid rgba(255,69,0,0.4);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            align-self: flex-start;
        }

        .btn-outline:hover {
            background-color: rgba(255,69,0,0.1);
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-glow);
        }

        /* ========== STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .step-item {
            text-align: left;
            position: relative;
            padding-left: 20px;
        }

        .step-number {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(255,69,0,0.2);
            line-height: 1;
            margin-bottom: 15px;
            font-family: 'Georgia', serif;
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            background-color: var(--bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 15px;
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(255,69,0,0.3);
        }

        .faq-question {
            padding: 20px 25px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            transition: all var(--transition-fast);
            user-select: none;
        }

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

        .faq-question i {
            color: var(--text-muted);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question {
            color: var(--accent-primary);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--accent-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-answer-inner {
            padding: 0 25px 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(255,69,0,0.15), rgba(255,0,0,0.1));
            border-top: 1px solid rgba(255,69,0,0.3);
            border-bottom: 1px solid rgba(255,69,0,0.3);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--text-primary);
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        .cta-btn-group {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== BOTTOM STICKY CTA ========== */
        .sticky-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background-color: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255,69,0,0.4);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform var(--transition-normal);
            box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
        }

        .sticky-cta.visible {
            transform: translateY(0);
        }

        .sticky-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
        }

        .sticky-cta-text {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sticky-cta-text i {
            color: var(--accent-primary);
            font-size: 1.5rem;
            animation: ghostFloat 2s ease-in-out infinite;
        }

        .sticky-cta-text span {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
        }

        .sticky-cta-text small {
            color: var(--text-muted);
            font-size: 0.8rem;
            display: block;
        }

        .sticky-cta .btn-primary {
            padding: 10px 24px;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        /* ========== FAB ========== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 950;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(11, 11, 11, 0.85);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(255,69,0,0.4);
            transition: all var(--transition-normal);
            opacity: 0.65;
            animation: fabBreath 3s ease-in-out infinite;
        }

        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--accent-primary), #00F0FF, var(--accent-primary));
            z-index: -1;
            background-size: 300% 300%;
            animation: gradientFlow 4s ease infinite;
        }

        @keyframes gradientFlow {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        @keyframes fabBreath {
            0%, 100% { box-shadow: 0 0 20px rgba(255,69,0,0.4); }
            50% { box-shadow: 0 0 35px rgba(255,69,0,0.7); }
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 40px rgba(255,69,0,0.8);
        }

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

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background-color: #FF0000;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blinkDot 1.5s ease-in-out infinite;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 15px;
            font-size: 1.1rem;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 400px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

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

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }

            .page-hero h1 {
                font-size: 2.3rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background-color: rgba(11, 11, 11, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px;
                gap: 5px;
                border-bottom: 1px solid var(--border-subtle);
                box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                width: 100%;
                padding: 14px 16px;
                font-size: 1rem;
            }

            .main-nav a.active::after {
                display: none;
            }

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

            .btn-login {
                padding: 8px 14px;
                font-size: 0.85rem;
            }

            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .page-hero {
                padding: calc(var(--header-height) + 40px) 0 40px;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat {
                gap: 10px;
            }

            .hero-stat-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .hero-stat-value {
                font-size: 1.1rem;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .game-showcase {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .game-showcase-img {
                height: 200px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }

            .cta-section h2 {
                font-size: 1.7rem;
            }

            .cta-section p {
                font-size: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .sticky-cta-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .sticky-cta-text {
                flex-direction: column;
                gap: 5px;
            }

            .sticky-cta .btn-primary {
                width: 100%;
                justify-content: center;
            }

            .fab-support {
                left: 12px;
                bottom: 120px;
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                border-radius: 14px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 15px;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
            }

            .cta-btn-group {
                flex-direction: column;
            }

            .cta-btn-group .btn-primary,
            .cta-btn-group .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .feature-card {
                padding: 20px;
            }

            .game-showcase-body {
                padding: 18px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
            }

            .faq-answer-inner {
                padding: 0 18px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0B0B0B;
            --secondary-bg: #121212;
            --card-bg: #161616;
            --accent-red: #FF4500;
            --accent-fire: #FF0000;
            --accent-orange: #FF6B35;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #888888;
            --border-color: #2A2A2A;
            --border-radius: 10px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
            --shadow-lg: 0 8px 32px rgba(255,69,0,0.15);
            --transition: all 0.3s ease;
            --font-primary: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3rem;
            --spacing-xl: 4rem;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-primary);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        
        a:hover {
            color: var(--accent-red);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        
        /* Header */
        .site-header {
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
            gap: 1rem;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            flex-shrink: 0;
        }
        
        .logo i {
            color: var(--accent-red);
            font-size: 1.75rem;
        }
        
        .main-nav {
            display: flex;
            gap: 1.5rem;
            align-items: center;
            flex: 1;
            justify-content: center;
        }
        
        .main-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.5rem 0.75rem;
            border-radius: 6px;
            transition: var(--transition);
            position: relative;
        }
        
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 69, 0, 0.1);
        }
        
        .main-nav a.active {
            color: var(--accent-red);
            background: rgba(255, 69, 0, 0.15);
        }
        
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0.75rem;
            right: 0.75rem;
            height: 2px;
            background: var(--accent-red);
            border-radius: 2px;
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 0.5rem 1rem;
            border-radius: 6px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }
        
        .btn-login:hover {
            border-color: var(--accent-red);
            color: var(--text-primary);
        }
        
        .btn-signup {
            background: var(--accent-red);
            border: none;
            color: #fff;
            padding: 0.5rem 1.25rem;
            border-radius: 6px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
        }
        
        .btn-signup:hover {
            background: var(--accent-fire);
            box-shadow: 0 4px 12px rgba(255, 69, 0, 0.4);
        }
        
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1.25rem;
        }
        
        /* Hero */
        .hero {
            background: linear-gradient(135deg, rgba(11, 11, 11, 0.95), rgba(18, 18, 18, 0.9)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: var(--spacing-xl) 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 69, 0, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
            position: relative;
            z-index: 1;
        }
        
        .hero-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        
        .hero-content h1 span {
            color: var(--accent-red);
        }
        
        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            max-width: 500px;
            line-height: 1.7;
        }
        
        .countdown-banner {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .countdown-banner .live-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-red);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.75rem;
        }
        
        .live-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: pulse 1.5s ease-in-out infinite;
        }
        
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        
        .countdown-timer {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: 700;
        }
        
        .countdown-timer span {
            background: var(--secondary-bg);
            padding: 0.5rem 0.75rem;
            border-radius: 6px;
            color: var(--accent-orange);
            min-width: 50px;
            text-align: center;
        }
        
        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            background: var(--accent-red);
            color: #fff;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .btn-primary:hover {
            background: var(--accent-fire);
            box-shadow: 0 6px 20px rgba(255, 69, 0, 0.5);
            transform: translateY(-2px);
        }
        
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .btn-secondary:hover {
            border-color: var(--accent-red);
            color: var(--text-primary);
            background: rgba(255, 69, 0, 0.1);
        }
        
        .hero-visual {
            position: relative;
        }
        
        .hero-image {
            width: 100%;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }
        
        .hero-badge {
            position: absolute;
            top: -15px;
            right: -10px;
            background: var(--accent-red);
            color: #fff;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: var(--shadow-md);
        }
        
        /* Sections */
        .section {
            padding: var(--spacing-xl) 0;
        }
        
        .section-alt {
            background: var(--secondary-bg);
        }
        
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        
        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }
        
        /* Feature cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .feature-card:hover {
            border-color: var(--accent-red);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        
        .feature-card .feature-icon {
            width: 50px;
            height: 50px;
            background: rgba(255, 69, 0, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--accent-red);
            margin-bottom: 1rem;
        }
        
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        /* Game showcase */
        .game-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .game-showcase-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .game-showcase-card:hover {
            border-color: var(--accent-red);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        
        .game-showcase-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        
        .game-showcase-card .card-body {
            padding: 1.5rem;
        }
        
        .game-showcase-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        
        .game-showcase-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        
        .game-tag {
            display: inline-block;
            background: rgba(255, 69, 0, 0.15);
            color: var(--accent-red);
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        
        /* Stats */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            margin: var(--spacing-lg) 0;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-red);
            margin-bottom: 0.25rem;
        }
        
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        
        /* FAQ */
        .faq-list {
            max-width: 800px;
        }
        
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--accent-red);
        }
        
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .faq-question i {
            color: var(--accent-red);
            transition: var(--transition);
        }
        
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        
        .faq-item.active .faq-answer {
            display: block;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(255, 69, 0, 0.1), rgba(255, 0, 0, 0.05)), var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        
        .cta-content {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .cta-content h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        
        .cta-content p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }
        
        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 1rem;
            max-width: 400px;
        }
        
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }
        
        .footer-col ul {
            list-style: none;
        }
        
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        
        .footer-col ul li a:hover {
            color: var(--accent-red);
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
            text-align: center;
        }
        
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            background: rgba(11, 11, 11, 0.85);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(45deg, var(--accent-red), var(--accent-orange)) 1;
            border-radius: 50%;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(255, 69, 0, 0.3);
            opacity: 0.7;
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(255, 69, 0, 0.6);
        }
        
        .fab:active {
            transform: scale(0.95);
        }
        
        .fab i {
            font-size: 1.5rem;
            color: var(--accent-red);
        }
        
        .fab .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--accent-fire);
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: pulse 1.5s ease-in-out infinite;
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .hero-content h1 {
                font-size: 2rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary-bg);
                padding: 1rem;
                border-bottom: 1px solid var(--border-color);
                gap: 0.5rem;
            }
            
            .main-nav.active {
                display: flex;
            }
            
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            .hero {
                padding: var(--spacing-lg) 0;
            }
            
            .hero-content h1 {
                font-size: 1.75rem;
            }
            
            .countdown-timer {
                font-size: 1.25rem;
            }
            
            .countdown-timer span {
                min-width: 40px;
                padding: 0.4rem 0.5rem;
            }
            
            .section {
                padding: var(--spacing-lg) 0;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .game-showcase {
                grid-template-columns: 1fr;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            
            .fab {
                left: 0.75rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            
            .hero-content h1 {
                font-size: 1.5rem;
            }
            
            .hero-actions {
                flex-direction: column;
            }
            
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
            
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 0.4rem 0.75rem;
                font-size: 0.8rem;
            }
            
            .logo span {
                font-size: 1rem;
            }
            
            .cta-content h2 {
                font-size: 1.5rem;
            }
        }