/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A0C8BB;
            --border-gold: rgba(255, 215, 0, 0.45);
            --shadow-gold: 0 8px 30px rgba(255, 215, 0, 0.12);
            --shadow-dark: 0 10px 25px rgba(0, 0, 0, 0.35);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 26px;
            --radius-xl: 34px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --font-body: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-display: 'Trebuchet MS', 'Segoe UI', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }

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

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            padding: 14px 0;
            transition: background 0.3s ease;
        }

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

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.45rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            line-height: 1.2;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FFE066, #D4AF37);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.6);
            flex-shrink: 0;
        }

        .logo span {
            color: var(--text-white);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links a {
            padding: 9px 16px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-mint);
            transition: background 0.25s, color 0.25s;
        }

        .nav-links a:hover,
        .nav-links a.active {
            background: rgba(255, 215, 0, 0.18);
            color: var(--accent-gold);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: none;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            padding: 8px 10px;
            transition: color 0.25s;
        }

        .btn-login:hover {
            color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(145deg, #FFD700, #E6A800);
            color: #1A2E1C;
            border: none;
            padding: 10px 22px;
            border-radius: 999px;
            font-weight: 800;
            font-size: 0.95rem;
            cursor: pointer;
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.35);
            transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 215, 0, 0.5);
            background: linear-gradient(145deg, #FFE066, #FFD700);
        }

        .menu-toggle {
            display: none;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            border-radius: 10px;
            color: var(--accent-gold);
            font-size: 1.6rem;
            width: 46px;
            height: 46px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* Hero Section */
        .hero {
            position: relative;
            padding: var(--space-xl) 0 var(--space-lg);
            background: linear-gradient(160deg, rgba(10, 46, 28, 0.9) 0%, rgba(18, 62, 37, 0.85) 55%, rgba(6, 22, 14, 0.95) 100%);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(255, 215, 0, 0.15) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 20%, rgba(211, 47, 47, 0.2) 0%, transparent 50%);
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-content {
            padding-right: var(--space-md);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: var(--space-sm);
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: clamp(2.2rem, 4.8vw, 3.4rem);
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: var(--space-sm);
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
        }

        .hero h1 em {
            color: var(--accent-gold);
            font-style: normal;
        }

        .hero-sub {
            font-size: 1.12rem;
            color: var(--text-mint);
            margin-bottom: var(--space-lg);
            max-width: 520px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: var(--space-lg);
        }

        .btn-primary {
            background: linear-gradient(145deg, #FFD700, #E6A800);
            color: #1A2E1C;
            border: none;
            padding: 14px 32px;
            border-radius: 999px;
            font-weight: 800;
            font-size: 1.05rem;
            cursor: pointer;
            box-shadow: 0 8px 22px rgba(255, 215, 0, 0.4);
            transition: transform 0.25s, box-shadow 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 30px rgba(255, 215, 0, 0.55);
        }

        .btn-secondary {
            background: transparent;
            border: 2px solid rgba(255, 215, 0, 0.6);
            color: var(--accent-gold);
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, border-color 0.25s, color 0.25s;
        }

        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.15);
            border-color: var(--accent-gold);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat strong {
            display: block;
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

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

        .hero-poster {
            width: 100%;
            max-width: 430px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-dark), 0 0 40px rgba(255, 215, 0, 0.25);
            border: 2px solid rgba(255, 215, 0, 0.4);
            transform: rotate(2deg);
            transition: transform 0.4s ease;
        }

        .hero-poster:hover {
            transform: rotate(0deg) scale(1.02);
        }

        .hero-poster img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/5;
        }

        .hero-heat {
            position: absolute;
            top: -16px;
            right: -10px;
            background: var(--accent-red);
            color: #fff;
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 800;
            font-size: 0.85rem;
            box-shadow: 0 6px 18px rgba(211, 47, 47, 0.5);
            display: flex;
            align-items: center;
            gap: 6px;
            z-index: 3;
        }

        /* Section General */
        section {
            padding: var(--space-xl) 0;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--space-sm);
            line-height: 1.25;
        }

        .section-sub {
            font-size: 1.08rem;
            color: var(--text-mint);
            max-width: 700px;
            margin-bottom: var(--space-lg);
            line-height: 1.7;
        }

        .text-gold {
            color: var(--accent-gold);
        }

        /* Catalog Directory */
        .catalog-directory {
            background: linear-gradient(180deg, #0A2E1C 0%, #123E25 100%);
        }

        .catalog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-md);
        }

        .catalog-card {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
            position: relative;
            overflow: hidden;
        }

        .catalog-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-gold);
        }

        .catalog-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: var(--space-sm);
        }

        .catalog-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

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

        /* Value Points */
        .value-points {
            background: rgba(6, 22, 14, 0.6);
        }

        .value-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--space-md);
        }

        .value-item {
            padding: var(--space-md);
            border-left: 4px solid var(--accent-gold);
            background: rgba(18, 62, 37, 0.45);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            transition: background 0.3s;
        }

        .value-item:hover {
            background: rgba(18, 62, 37, 0.8);
        }

        .value-item h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .value-item p {
            color: var(--text-mint);
            font-size: 0.95rem;
        }

        /* News Section */
        .news-section {
            background: linear-gradient(180deg, #0A2E1C 0%, #0B2C1A 100%);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--space-lg);
        }

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

        .news-item {
            background: rgba(18, 62, 37, 0.55);
            border-radius: var(--radius-sm);
            padding: var(--space-sm) var(--space-md);
            transition: background 0.3s, transform 0.2s;
            border: 1px solid transparent;
        }

        .news-item:hover {
            background: rgba(18, 62, 37, 0.85);
            border-color: rgba(255, 215, 0, 0.3);
            transform: translateX(4px);
        }

        .news-item a {
            display: block;
            font-weight: 700;
            color: var(--text-white);
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .news-item a:hover {
            color: var(--accent-gold);
        }

        .news-item .news-meta {
            display: flex;
            gap: 16px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .news-recommend {
            background: rgba(18, 62, 37, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            height: fit-content;
        }

        .news-recommend h3 {
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-bottom: var(--space-sm);
        }

        .news-recommend ul {
            list-style: none;
        }

        .news-recommend li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .news-recommend li:last-child {
            border-bottom: none;
        }

        .news-recommend a {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.98rem;
        }

        .news-recommend a:hover {
            color: var(--accent-gold);
        }

        .no-updates {
            color: var(--text-muted);
            font-style: italic;
        }

        /* Limited Time Section */
        .limited-offer {
            background: linear-gradient(135deg, #6B0F0F 0%, #8B1A1A 50%, #4A0007 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .limited-offer::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }

        .limited-offer .container {
            position: relative;
            z-index: 1;
        }

        .countdown {
            display: flex;
            justify-content: center;
            gap: var(--space-sm);
            margin: var(--space-md) 0;
            flex-wrap: wrap;
        }

        .countdown-box {
            background: rgba(0, 0, 0, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.6);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            min-width: 80px;
        }

        .countdown-box strong {
            display: block;
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
        }

        .countdown-box span {
            font-size: 0.8rem;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Benefit Tiers */
        .benefit-tiers {
            background: rgba(10, 46, 28, 0.8);
        }

        .tier-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-md);
        }

        .tier-card {
            background: rgba(18, 62, 37, 0.65);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            text-align: center;
            transition: transform 0.3s, border-color 0.3s;
        }

        .tier-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
        }

        .tier-card .tier-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            margin-bottom: var(--space-sm);
        }

        .tier-card h3 {
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-bottom: 6px;
        }

        .tier-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            margin-bottom: var(--space-sm);
        }

        .tier-card .btn-primary {
            padding: 10px 20px;
            font-size: 0.9rem;
        }

        /* Vertical Cards */
        .vertical-feed {
            background: linear-gradient(180deg, #123E25 0%, #0A2E1C 100%);
        }

        .vertical-scroll {
            display: flex;
            gap: var(--space-md);
            overflow-x: auto;
            padding-bottom: var(--space-sm);
            scroll-snap-type: x mandatory;
        }

        .vertical-card {
            min-width: 220px;
            max-width: 220px;
            background: rgba(18, 62, 37, 0.7);
            border-radius: var(--radius-md);
            overflow: hidden;
            scroll-snap-align: start;
            border: 1px solid rgba(255, 215, 0, 0.2);
            transition: transform 0.3s, border-color 0.3s;
            flex-shrink: 0;
        }

        .vertical-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
        }

        .vertical-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .vertical-card .vc-body {
            padding: var(--space-sm);
        }

        .vertical-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .vertical-card p {
            font-size: 0.88rem;
            color: var(--text-mint);
            margin-bottom: var(--space-sm);
        }

        .vc-cta {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* FAQ */
        .faq-section {
            background: rgba(6, 22, 14, 0.6);
        }

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

        .faq-item {
            background: rgba(18, 62, 37, 0.55);
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.15);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.05rem;
            text-align: left;
            padding: var(--space-md);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--space-sm);
        }

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

        .faq-icon {
            font-size: 1.4rem;
            color: var(--accent-gold);
            transition: transform 0.3s;
        }

        .faq-answer {
            padding: 0 var(--space-md) var(--space-md);
            color: var(--text-mint);
            font-size: 0.98rem;
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #1A4A2E 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .cta-section .section-title {
            margin-bottom: var(--space-sm);
        }

        .cta-section .btn-primary {
            margin-top: var(--space-md);
            font-size: 1.1rem;
            padding: 16px 40px;
        }

        /* Footer */
        .site-footer {
            background: #06160E;
            border-top: 2px solid rgba(255, 215, 0, 0.3);
            padding: var(--space-lg) 0 var(--space-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-bottom: var(--space-sm);
            font-weight: 700;
        }

        .footer-col p, .footer-col a {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: block;
            margin-bottom: 6px;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-18 {
            display: inline-block;
            background: rgba(211, 47, 47, 0.8);
            color: #fff;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 6px;
            margin-right: 8px;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #2A2A2A, #0B0B0B);
            border: 3px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            cursor: pointer;
            opacity: 0.7;
            transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.6);
        }

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

        .fab-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0B0B0B;
            animation: blinkDot 1.2s infinite;
        }

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .hero-content {
                padding-right: 0;
            }
            .hero-visual {
                order: -1;
            }
            .hero-poster {
                max-width: 320px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: var(--space-md);
                border-bottom: 2px solid rgba(255, 215, 0, 0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .auth-buttons {
                margin-left: auto;
            }
            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .logo {
                font-size: 1.1rem;
            }
            section {
                padding: var(--space-lg) 0;
            }
            .hero {
                min-height: auto;
                padding: var(--space-lg) 0;
            }
            .hero-stats {
                gap: var(--space-sm);
            }
            .hero-stat strong {
                font-size: 1.4rem;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--space-sm);
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .catalog-grid {
                grid-template-columns: 1fr;
            }
            .countdown-box {
                min-width: 60px;
                padding: 10px 12px;
            }
            .countdown-box strong {
                font-size: 1.4rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 10px;
                bottom: 80px;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0B1A30;
            --secondary-bg: #0F0C20;
            --surface: #13243D;
            --surface-light: #1B3456;
            --accent: #CCFF00;
            --accent-2: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.5);
            --text: #FFFFFF;
            --text-muted: #A6ACAF;
            --text-gold: #CCFF00;
            --border: rgba(0, 240, 255, 0.25);
            --border-hover: rgba(0, 240, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-accent: 0 0 20px rgba(204, 255, 0, 0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Be Vietnam Pro', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        a {
            color: var(--accent-2);
            text-decoration: none;
            transition: color var(--transition);
        }

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

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: var(--secondary-bg);
            box-shadow: var(--shadow-accent);
        }

        .logo-text {
            font-weight: 800;
            font-size: 15px;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.2;
            max-width: 180px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 14px;
            padding: 8px 14px;
            border-radius: 999px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--accent);
            background: rgba(204, 255, 0, 0.08);
        }

        .nav-links a.active {
            color: var(--secondary-bg);
            background: var(--accent);
            font-weight: 700;
            box-shadow: var(--shadow-accent);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            color: var(--text);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 13px;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .btn-signup {
            background: var(--accent);
            color: var(--secondary-bg);
            border: none;
            padding: 9px 20px;
            border-radius: 999px;
            font-weight: 800;
            font-size: 13px;
            cursor: pointer;
            box-shadow: var(--shadow-accent);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            background: var(--accent-2);
            transform: translateY(-2px);
            box-shadow: var(--shadow-neon);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition);
        }

        .mobile-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            padding-top: calc(var(--nav-height) + 24px);
            background: linear-gradient(180deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 16px 0 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        .breadcrumb .separator {
            color: var(--border);
            font-size: 10px;
        }

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

        /* Article Hero */
        .article-hero {
            padding: 32px 0 40px;
            background: linear-gradient(180deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
        }

        .article-hero-inner {
            max-width: 800px;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-2);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

        .article-category-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent-2);
            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); }
        }

        .article-hero h1 {
            font-size: 36px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 16px;
            color: var(--text);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-muted);
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-item svg {
            width: 16px;
            height: 16px;
            stroke: var(--accent-2);
        }

        /* Article Body */
        .article-body {
            padding: 48px 0 64px;
            background: var(--primary-bg);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            align-items: start;
        }

        .article-content {
            max-width: 760px;
            font-size: 17px;
            line-height: 1.7;
            color: #E0E6ED;
        }

        .article-content h2 {
            font-size: 28px;
            font-weight: 800;
            margin: 40px 0 16px;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 32px 0 12px;
            color: var(--text);
            line-height: 1.35;
        }

        .article-content p {
            margin-bottom: 16px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }

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

        .article-content a:hover {
            color: var(--accent-2);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(204, 255, 0, 0.05);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            margin-bottom: 24px;
            transition: all var(--transition);
        }

        .sidebar-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-neon);
        }

        .sidebar-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .sidebar-card .related-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            cursor: pointer;
            transition: all var(--transition);
        }

        .sidebar-card .related-item:last-child {
            border-bottom: none;
        }

        .sidebar-card .related-item:hover {
            padding-left: 4px;
        }

        .related-thumb {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--surface-light), var(--surface));
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

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

        .related-info h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-info .related-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: left;
            color: var(--secondary-bg);
        }

        .sidebar-cta h4 {
            font-size: 20px;
            font-weight: 900;
            margin-bottom: 12px;
            color: var(--secondary-bg);
            letter-spacing: -0.5px;
        }

        .sidebar-cta p {
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 16px;
            color: rgba(15, 12, 32, 0.8);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary-bg);
            color: var(--accent);
            padding: 12px 20px;
            border-radius: 999px;
            font-weight: 800;
            font-size: 14px;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            color: var(--accent-2);
        }

        /* CTA Section */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
            border-top: 1px solid var(--border);
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.08), rgba(0, 240, 255, 0.08));
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            border: 1px solid var(--border);
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 900;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            color: var(--text);
        }

        .cta-card p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--secondary-bg);
            padding: 14px 28px;
            border-radius: 999px;
            font-weight: 800;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: var(--shadow-accent);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-2);
            transform: translateY(-2px);
            box-shadow: var(--shadow-neon);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text);
            padding: 14px 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Not Found */
        .not-found {
            text-align: center;
            padding: 64px 24px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
        }

        .not-found h2 {
            font-size: 28px;
            font-weight: 900;
            margin-bottom: 16px;
            color: var(--text);
        }

        .not-found p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            padding: 56px 0 32px;
            border-top: 1px solid var(--border);
        }

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

        .footer-col h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .footer-col p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 10px;
            transition: color var(--transition);
        }

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

        .footer-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--accent);
            color: var(--secondary-bg);
            font-weight: 900;
            font-size: 12px;
            border-radius: 6px;
            margin-right: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: var(--shadow-neon);
            position: relative;
            opacity: 0.6;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            z-index: -1;
            opacity: 0.8;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
        }

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

        .fab-icon {
            font-size: 24px;
            color: var(--accent);
            font-weight: 900;
            animation: fab-icon-flicker 2s ease-in-out infinite;
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--secondary-bg);
            animation: fab-notification-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.85; }
        }

        @keyframes fab-icon-flicker {
            0%, 100% { opacity: 1; }
            45% { opacity: 1; }
            50% { opacity: 0.4; }
            55% { opacity: 1; }
        }

        @keyframes fab-notification-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.2; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                position: static;
            }
            .article-hero h1 {
                font-size: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(11, 26, 48, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                z-index: 998;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }
            .mobile-toggle {
                display: flex;
            }
            .logo-text {
                font-size: 13px;
                max-width: 140px;
            }
            .btn-login {
                padding: 8px 12px;
                font-size: 12px;
            }
            .btn-signup {
                padding: 8px 14px;
                font-size: 12px;
            }
            .article-hero {
                padding: 24px 0 32px;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-content {
                font-size: 16px;
            }
            .article-content h2 {
                font-size: 24px;
            }
            .cta-card {
                grid-template-columns: 1fr;
                padding: 32px 24px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .article-hero h1 {
                font-size: 22px;
            }
            .article-meta {
                gap: 12px;
                font-size: 12px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 21px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .header-inner {
                gap: 12px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-pale: #D1F2EB;
            --text-muted: #8FAF9E;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 26px;
            --radius-xl: 36px;
            --shadow-card: 0 10px 34px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 4px 24px rgba(255, 215, 0, 0.22);
            --shadow-hover: 0 18px 44px rgba(0, 0, 0, 0.5);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 100px;
            --font-body: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-heading: 'Poppins', 'Inter', 'Segoe UI', sans-serif;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 74px;
        }
        
        * {
            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-body);
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 0.5em;
        }
        
        h1 {
            font-size: clamp(2.1rem, 5vw, 3.8rem);
            font-weight: 800;
            letter-spacing: -0.03em;
        }
        
        h2 {
            font-size: clamp(1.7rem, 3.6vw, 2.7rem);
            font-weight: 700;
        }
        
        h3 {
            font-size: clamp(1.2rem, 2.4vw, 1.55rem);
            font-weight: 600;
        }
        
        p {
            margin-bottom: 1rem;
            color: var(--text-pale);
        }
        
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition);
        }
        
        a:hover {
            color: #fff0a0;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 3px;
        }
        
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            width: 100%;
        }
        
        .logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-gold);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.2;
        }
        
        .logo i {
            font-size: 1.7rem;
            color: var(--accent-gold);
        }
        
        .logo span {
            display: inline-block;
            max-width: 220px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
        }
        
        .nav-links a {
            color: var(--text-pale);
            font-weight: 500;
            font-size: 0.94rem;
            padding: 10px 16px;
            border-radius: 50px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        
        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.14);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px var(--border-gold);
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        
        .btn-login {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.92rem;
            padding: 10px 18px;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            white-space: nowrap;
        }
        
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #ffc400);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.92rem;
            padding: 10px 24px;
            border-radius: 50px;
            box-shadow: var(--shadow-glow);
            white-space: nowrap;
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.38);
            background: linear-gradient(135deg, #ffe44d, #ffd700);
        }
        
        .btn-signup:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }
        
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.7rem;
            padding: 6px 10px;
            border-radius: 10px;
            border: 1px solid var(--border-gold);
            line-height: 1;
        }
        
        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        
        /* ========== BREADCRUMB ========== */
        .breadcrumb {
            padding: 18px 0 0;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        
        .breadcrumb a {
            color: var(--accent-gold);
            font-weight: 500;
        }
        
        .breadcrumb a:hover {
            color: #fff0a0;
        }
        
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--text-muted);
        }
        
        .breadcrumb .current {
            color: var(--text-pale);
        }
        
        /* ========== HERO (Creator Profile Style) ========== */
        .category-hero {
            padding: 52px 0 42px;
            position: relative;
            overflow: hidden;
        }
        
        .category-hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -25%;
            left: -12%;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(210, 47, 47, 0.08), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-profile {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: flex-start;
            gap: 38px;
            flex-wrap: wrap;
        }
        
        .hero-avatar-wrap {
            position: relative;
            flex-shrink: 0;
        }
        
        .hero-avatar {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 4px solid var(--accent-gold);
            box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.2), var(--shadow-glow);
            overflow: hidden;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3.2rem;
            color: var(--accent-gold);
        }
        
        .hero-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .hero-badge-online {
            position: absolute;
            bottom: 5px;
            right: 5px;
            width: 20px;
            height: 20px;
            background: #2ecc71;
            border-radius: 50%;
            border: 3px solid var(--primary-bg);
        }
        
        .hero-info {
            flex: 1;
            min-width: 280px;
        }
        
        .hero-category-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.14);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 50px;
            border: 1px solid var(--border-gold);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        
        .hero-info h1 {
            margin-bottom: 12px;
        }
        
        .hero-desc {
            font-size: 1.12rem;
            color: var(--text-pale);
            max-width: 680px;
            line-height: 1.65;
            margin-bottom: 24px;
        }
        
        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 26px;
        }
        
        .hero-stat {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        
        .hero-stat .stat-number {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.6rem;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        
        .hero-stat .stat-label {
            font-size: 0.84rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        
        .btn-primary-hero {
            background: linear-gradient(135deg, var(--accent-gold), #ffc400);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            box-shadow: var(--shadow-glow);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-primary-hero:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(255, 215, 0, 0.42);
            background: linear-gradient(135deg, #ffe44d, #ffd700);
        }
        
        .btn-primary-hero:active {
            transform: translateY(0);
        }
        
        .btn-secondary-hero {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 26px;
            border-radius: 50px;
            border: 1.5px solid var(--border-light);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-secondary-hero:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        
        /* ========== FEATURED BANNER / TRUST ========== */
        .trust-bar {
            background: rgba(18, 62, 37, 0.6);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 20px 0;
            margin-bottom: var(--spacing-lg);
        }
        
        .trust-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
        }
        
        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-pale);
            font-size: 0.94rem;
            font-weight: 500;
        }
        
        .trust-item i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        
        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--spacing-lg) 0;
        }
        
        .section-header {
            margin-bottom: var(--spacing-md);
            text-align: left;
        }
        
        .section-header h2 {
            margin-bottom: 8px;
        }
        
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
        }
        
        /* ========== GAME COLLECTION GRID ========== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 26px;
            margin-top: var(--spacing-md);
        }
        
        .game-card {
            background: var(--secondary-bg);
            border: 1.5px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            position: relative;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-gold);
        }
        
        .game-card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.76rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            z-index: 5;
            box-shadow: 0 4px 14px rgba(210, 47, 47, 0.4);
        }
        
        .game-card-badge.hot {
            background: var(--accent-red);
        }
        
        .game-card-badge.new {
            background: #2ecc71;
        }
        
        .game-card-image {
            width: 100%;
            height: 190px;
            object-fit: cover;
            background: #0d2a1b;
            position: relative;
        }
        
        .game-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .game-card:hover .game-card-image img {
            transform: scale(1.04);
        }
        
        .game-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        
        .game-card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        
        .game-card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        
        .game-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            font-size: 0.84rem;
            color: var(--text-muted);
        }
        
        .game-card-meta .reward {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.94rem;
        }
        
        .btn-card {
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.92rem;
            padding: 11px 20px;
            border-radius: 50px;
            border: 1.5px solid var(--border-gold);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
        }
        
        .btn-card:hover {
            background: var(--accent-gold);
            color: #1a1a1a;
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-glow);
        }
        
        /* ========== PROCESS / STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: var(--spacing-md);
        }
        
        .step-item {
            background: rgba(18, 62, 37, 0.55);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: all var(--transition);
            position: relative;
        }
        
        .step-item:hover {
            border-color: var(--border-gold);
            background: rgba(18, 62, 37, 0.8);
            box-shadow: var(--shadow-card);
        }
        
        .step-number {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.4rem;
            color: var(--accent-gold);
            line-height: 1;
            margin-bottom: 14px;
            opacity: 0.9;
        }
        
        .step-item h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        
        .step-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        
        /* ========== REWARD SHOWCASE ========== */
        .reward-showcase {
            background: rgba(18, 62, 37, 0.5);
            border-radius: var(--radius-lg);
            padding: 38px 34px;
            border: 1px solid var(--border-gold);
            margin-top: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
        }
        
        .reward-image {
            flex: 0 0 260px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-glow);
        }
        
        .reward-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .reward-content {
            flex: 1;
            min-width: 280px;
        }
        
        .reward-content h3 {
            font-size: 1.5rem;
            margin-bottom: 12px;
            color: var(--accent-gold);
        }
        
        .reward-content p {
            color: var(--text-pale);
            margin-bottom: 16px;
            font-size: 1rem;
        }
        
        .reward-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        
        .reward-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-pale);
            font-size: 0.96rem;
            font-weight: 500;
        }
        
        .reward-list li i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }
        
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: var(--spacing-md);
            max-width: 860px;
        }
        
        .faq-item {
            background: rgba(18, 62, 37, 0.55);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        
        .faq-item summary {
            padding: 20px 26px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-white);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            user-select: none;
        }
        
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        
        .faq-item summary i {
            color: var(--accent-gold);
            font-size: 1.2rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        
        .faq-item[open] summary i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            padding: 0 26px 22px;
            color: var(--text-pale);
            font-size: 0.96rem;
            line-height: 1.65;
        }
        
        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            text-align: center;
        }
        
        .cta-box {
            background: linear-gradient(145deg, rgba(18, 62, 37, 0.9), rgba(10, 46, 28, 0.95));
            border: 1.5px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 54px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        
        .cta-box::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1), transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .cta-box h2 {
            font-size: clamp(1.7rem, 3.6vw, 2.6rem);
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        
        .cta-box p {
            font-size: 1.12rem;
            color: var(--text-pale);
            max-width: 640px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }
        
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        
        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(5, 20, 12, 0.9);
            border-top: 1px solid var(--border-gold);
            padding: var(--spacing-lg) 0 24px;
            margin-top: var(--spacing-lg);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 34px;
            margin-bottom: 36px;
        }
        
        .footer-col h4 {
            font-size: 1.05rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
            font-weight: 700;
        }
        
        .footer-col p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        
        .footer-col a {
            display: block;
            color: var(--text-pale);
            font-size: 0.92rem;
            padding: 5px 0;
            transition: color var(--transition);
        }
        
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        
        .footer-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: 6px;
            margin-right: 8px;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 22px;
            text-align: center;
        }
        
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        
        /* ========== FAB ========== */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 90px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-bg);
            border: 3px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            cursor: pointer;
            opacity: 0.7;
            animation: fabBreathe 3s ease-in-out infinite;
            transition: all var(--transition);
        }
        
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.45);
        }
        
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        
        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: blinkDot 1.6s ease-in-out infinite;
        }
        
        @keyframes fabBreathe {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 0.95; }
        }
        
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-profile {
                gap: 26px;
            }
            
            .hero-avatar {
                width: 96px;
                height: 96px;
                font-size: 2.6rem;
            }
            
            .reward-showcase {
                padding: 28px 24px;
            }
            
            .reward-image {
                flex: 0 0 200px;
            }
        }
        
        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            
            .nav-toggle {
                display: block;
            }
            
            .nav-links {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
                display: none;
                max-height: 70vh;
                overflow-y: auto;
            }
            
            .nav-links.open {
                display: flex;
            }
            
            .nav-links a {
                padding: 13px 18px;
                font-size: 1rem;
                border-radius: 12px;
                text-align: left;
            }
            
            .logo span {
                max-width: 160px;
                font-size: 1.05rem;
            }
            
            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            
            .category-hero {
                padding: 32px 0 28px;
            }
            
            .hero-profile {
                flex-direction: column;
                gap: 20px;
            }
            
            .hero-avatar {
                width: 80px;
                height: 80px;
                font-size: 2.2rem;
            }
            
            .hero-stats {
                gap: 20px;
            }
            
            .game-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            
            .reward-showcase {
                flex-direction: column;
                padding: 22px 18px;
            }
            
            .reward-image {
                flex: 0 0 auto;
                width: 100%;
                max-width: 300px;
                margin: 0 auto;
            }
            
            .cta-box {
                padding: 36px 22px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            
            .logo span {
                max-width: 120px;
                font-size: 0.9rem;
            }
            
            .logo i {
                font-size: 1.4rem;
            }
            
            .btn-login {
                padding: 7px 10px;
                font-size: 0.75rem;
            }
            
            .btn-signup {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
            
            .hero-stat .stat-number {
                font-size: 1.3rem;
            }
            
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            
            .btn-primary-hero, .btn-secondary-hero {
                justify-content: center;
                width: 100%;
            }
            
            .trust-bar-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            
            .fab-left {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: #151230;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #7A7F85;
            --border-color: rgba(204, 255, 0, 0.15);
            --border-neon: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.3);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            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 {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        
        button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: var(--font-primary);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: var(--spacing-xs) 0;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        
        .site-header.scrolled {
            background: rgba(11, 26, 48, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent-lime);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            transition: text-shadow var(--transition-fast);
        }
        
        .nav-logo:hover {
            text-shadow: var(--shadow-lime);
        }
        
        .nav-logo .logo-icon {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        
        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: -0.01em;
        }
        
        .nav-links a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }
        
        .nav-links a.active {
            color: var(--accent-lime);
            background: rgba(204, 255, 0, 0.12);
            border: 1px solid rgba(204, 255, 0, 0.3);
            font-weight: 600;
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }
        
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        
        .btn-login:hover {
            border-color: rgba(255, 255, 255, 0.3);
            color: var(--accent-cyan);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #99FF00);
            color: #0F0C20;
            font-size: 0.9rem;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: 50px;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 12px rgba(204, 255, 0, 0.3);
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(204, 255, 0, 0.5);
            background: linear-gradient(135deg, #CCFF00, #CCFF00);
        }
        
        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            background: transparent;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            padding: 8px;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }
        
        .menu-toggle:hover {
            background: rgba(0, 240, 255, 0.1);
        }
        
        /* Hero Section */
        .hero-section {
            padding: var(--spacing-xxl) 0 var(--spacing-xl);
            background: linear-gradient(180deg, rgba(15, 12, 32, 0) 0%, rgba(15, 12, 32, 1) 100%),
                        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
            overflow: hidden;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.7) 0%, rgba(11, 26, 48, 0.9) 100%);
            z-index: 1;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        
        .hero-text h1 {
            font-size: 3.2rem;
            font-weight: 900;
            letter-spacing: -0.04em;
            line-height: 1.15;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-text p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 560px;
        }
        
        .hero-badges {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
        }
        
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 50px;
            border: 1px solid;
            transition: all var(--transition-fast);
        }
        
        .badge-hot {
            color: var(--accent-pink);
            border-color: rgba(255, 0, 127, 0.4);
            background: rgba(255, 0, 127, 0.08);
        }
        
        .badge-new {
            color: var(--accent-lime);
            border-color: rgba(204, 255, 0, 0.4);
            background: rgba(204, 255, 0, 0.08);
        }
        
        .badge-trust {
            color: var(--accent-cyan);
            border-color: rgba(0, 240, 255, 0.4);
            background: rgba(0, 240, 255, 0.08);
        }
        
        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #99FF00 100%);
            color: #0F0C20;
            font-size: 1rem;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(204, 255, 0, 0.4);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(204, 255, 0, 0.6);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--accent-cyan);
            font-size: 1rem;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1.5px solid rgba(0, 240, 255, 0.5);
            transition: all var(--transition-fast);
        }
        
        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }
        
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .hero-image-wrapper {
            position: relative;
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            border: 2px solid var(--border-neon);
        }
        
        .hero-image-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        
        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(180deg, transparent 0%, rgba(15, 12, 32, 0.95) 100%);
            padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
        }
        
        .hero-image-overlay h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 4px;
        }
        
        .hero-image-overlay p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        
        /* Main Content */
        .main-content {
            padding: var(--spacing-xl) 0;
        }
        
        .section {
            margin-bottom: var(--spacing-xl);
        }
        
        .section-header {
            margin-bottom: var(--spacing-lg);
            text-align: left;
        }
        
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }
        
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }
        
        /* Tips Grid */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        
        .tip-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-lime), var(--accent-cyan));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        
        .tip-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
        }
        
        .tip-card:hover::before {
            opacity: 1;
        }
        
        .tip-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-sm);
        }
        
        .tip-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
        }
        
        .tip-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        
        /* Steps Section */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        
        .step-item {
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            padding: var(--spacing-md);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition-fast);
        }
        
        .step-item:hover {
            border-color: rgba(204, 255, 0, 0.4);
            background: rgba(21, 18, 48, 0.9);
        }
        
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #0F0C20;
            font-weight: 800;
            font-size: 1.3rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .step-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        
        .step-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        
        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        
        .feature-card {
            background: linear-gradient(135deg, rgba(21, 18, 48, 0.9), rgba(11, 26, 48, 0.9));
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-color);
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }
        
        .feature-card:hover {
            border-color: var(--border-neon);
            transform: translateY(-4px);
            box-shadow: var(--shadow-neon);
        }
        
        .feature-icon {
            flex-shrink: 0;
            font-size: 2rem;
            color: var(--accent-lime);
        }
        
        .feature-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        
        .feature-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        
        /* FAQ Section */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        
        .faq-item:hover {
            border-color: rgba(204, 255, 0, 0.3);
        }
        
        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            padding: var(--spacing-md) var(--spacing-lg);
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            transition: color var(--transition-fast);
        }
        
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        
        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            padding: 0 var(--spacing-lg);
        }
        
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: var(--spacing-lg);
        }
        
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.08), rgba(0, 240, 255, 0.08));
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
            border: 1px solid rgba(204, 255, 0, 0.2);
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.06) 0%, transparent 60%);
            animation: pulse-glow 4s ease-in-out infinite;
        }
        
        @keyframes pulse-glow {
            0%, 100% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.05); opacity: 0.8; }
        }
        
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }
        
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            position: relative;
            z-index: 1;
        }
        
        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.1rem;
        }
        
        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            border-top: 1px solid var(--border-color);
            margin-top: var(--spacing-xl);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }
        
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }
        
        .footer-col p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-xs);
            transition: color var(--transition-fast);
        }
        
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        
        .footer-18 {
            display: inline-block;
            background: var(--accent-pink);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: 50px;
            margin-right: 8px;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        
        /* FAB - Floating Action Button */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid;
            border-image: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
            opacity: 0.6;
            transition: all var(--transition-smooth);
            animation: fab-breathe 3s ease-in-out infinite;
        }
        
        @keyframes fab-breathe {
            0%, 100% { transform: scale(1); opacity: 0.6; }
            50% { transform: scale(1.05); opacity: 0.8; }
        }
        
        .fab:hover {
            transform: scale(1.15);
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            color: var(--accent-lime);
        }
        
        .fab:active {
            transform: scale(0.95);
            border-color: var(--accent-pink);
            color: var(--accent-pink);
        }
        
        .fab .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: var(--accent-pink);
            border-radius: 50%;
            animation: fab-blink 1.5s ease-in-out infinite;
        }
        
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            
            .hero-text h1 {
                font-size: 2.6rem;
            }
            
            .hero-visual {
                order: -1;
            }
            
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .nav-wrapper {
                flex-wrap: nowrap;
            }
            
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(15, 12, 32, 0.98);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: var(--spacing-xs);
                border-bottom: 1px solid var(--border-color);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
            }
            
            .nav-links.mobile-open {
                display: flex;
            }
            
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
            }
            
            .menu-toggle {
                display: block;
            }
            
            .nav-actions {
                gap: 4px;
            }
            
            .btn-login, .btn-signup {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            
            .hero-section {
                padding: var(--spacing-xl) 0 var(--spacing-lg);
                min-height: auto;
            }
            
            .hero-text h1 {
                font-size: 2rem;
            }
            
            .hero-text p {
                font-size: 1rem;
            }
            
            .tips-grid {
                grid-template-columns: 1fr;
            }
            
            .feature-grid {
                grid-template-columns: 1fr;
            }
            
            .section-header h2 {
                font-size: 1.6rem;
            }
            
            .cta-section h2 {
                font-size: 1.7rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            
            .fab {
                left: 0.75rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            
            .nav-logo {
                font-size: 1rem;
            }
            
            .nav-logo .logo-icon {
                font-size: 1.2rem;
            }
            
            .btn-login, .btn-signup {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            
            .hero-text h1 {
                font-size: 1.7rem;
            }
            
            .hero-actions {
                flex-direction: column;
            }
            
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
            
            .cta-section {
                padding: var(--spacing-lg) var(--spacing-md);
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0B0B0B;
            --secondary-bg: #161616;
            --card-bg: #1C1C1E;
            --accent-orange: #FF4500;
            --accent-red: #FF0000;
            --text-white: #FFFFFF;
            --text-gray: #CCCCCC;
            --border-dark: #2A2A2A;
            --border-hover: #FF4500;
            --shadow-glow: 0 0 15px rgba(255, 69, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
            --font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

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

        a:hover {
            color: var(--accent-orange);
        }

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

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

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

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

        .logo {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--accent-orange);
            letter-spacing: -0.5px;
            line-height: 1.2;
            max-width: 340px;
        }

        .logo span {
            color: var(--text-white);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-gray);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-orange);
            transition: var(--transition);
        }

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

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

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

        .btn-login {
            color: var(--text-gray);
            font-weight: 600;
            font-size: 0.9rem;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px 12px;
            transition: var(--transition);
        }

        .btn-login:hover {
            color: var(--text-white);
        }

        .btn-signup {
            background: var(--accent-orange);
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(255, 69, 0, 0.3);
        }

        .btn-signup:hover {
            background: #FF5A1F;
            box-shadow: 0 6px 18px rgba(255, 69, 0, 0.5);
            transform: translateY(-2px);
        }

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

        /* Hero Section */
        .hero-section {
            padding: 160px 0 80px;
            background: linear-gradient(135deg, #0B0B0B 0%, #1A0A05 50%, #0B0B0B 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 0, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 69, 0, 0.15);
            color: var(--accent-orange);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 69, 0, 0.3);
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

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

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-gray);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 580px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--accent-orange);
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(255, 69, 0, 0.4);
        }

        .btn-primary:hover {
            background: #FF5A1F;
            box-shadow: 0 8px 28px rgba(255, 69, 0, 0.6);
            transform: translateY(-2px);
            color: var(--text-white);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: 2px solid var(--border-dark);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            background: rgba(255, 69, 0, 0.05);
        }

        .hero-image-wrapper {
            position: relative;
            z-index: 2;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-dark);
        }

        .hero-image-wrapper img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 24px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
        }

        .hero-image-overlay h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .hero-image-overlay p {
            color: var(--text-gray);
            font-size: 0.9rem;
        }

        /* Category Series Nav */
        .series-nav {
            background: var(--secondary-bg);
            border-bottom: 1px solid var(--border-dark);
            padding: 16px 0;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: thin;
            scrollbar-color: var(--accent-orange) var(--border-dark);
        }

        .series-nav::-webkit-scrollbar {
            height: 4px;
        }

        .series-nav::-webkit-scrollbar-track {
            background: var(--border-dark);
        }

        .series-nav::-webkit-scrollbar-thumb {
            background: var(--accent-orange);
            border-radius: 2px;
        }

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

        .series-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--card-bg);
            border: 1px solid var(--border-dark);
            border-radius: 50px;
            color: var(--text-gray);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .series-link:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            background: rgba(255, 69, 0, 0.05);
        }

        .series-link.active {
            background: var(--accent-orange);
            color: var(--text-white);
            border-color: var(--accent-orange);
        }

        /* Main Content */
        .main-content {
            padding: var(--spacing-lg) 0;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-gray);
            margin-bottom: 32px;
            max-width: 700px;
            line-height: 1.7;
        }

        /* Alert Cards */
        .alert-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }

        .alert-card {
            background: var(--card-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

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

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

        .alert-card.warning::before {
            background: var(--accent-orange);
            opacity: 1;
        }

        .alert-card.danger::before {
            background: var(--accent-red);
            opacity: 1;
        }

        .alert-card.success::before {
            background: #28A745;
            opacity: 1;
        }

        .alert-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
        }

        .alert-icon.warning {
            background: rgba(255, 69, 0, 0.15);
            color: var(--accent-orange);
        }

        .alert-icon.danger {
            background: rgba(255, 0, 0, 0.15);
            color: var(--accent-red);
        }

        .alert-icon.success {
            background: rgba(40, 167, 69, 0.15);
            color: #28A745;
        }

        .alert-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        /* Feature List */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-dark);
            color: var(--text-gray);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list i {
            color: var(--accent-orange);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }

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

        .step-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-glow);
        }

        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-orange);
            opacity: 0.3;
            position: absolute;
            top: 16px;
            right: 20px;
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
            padding-right: 50px;
        }

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

        /* Info Banner */
        .info-banner {
            background: linear-gradient(135deg, #1A0A05 0%, #2A150A 50%, #1A0A05 100%);
            border: 1px solid rgba(255, 69, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            align-items: center;
            gap: 32px;
            margin-top: 32px;
        }

        .info-banner-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: rgba(255, 69, 0, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--accent-orange);
            flex-shrink: 0;
        }

        .info-banner-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .info-banner-content p {
            color: var(--text-gray);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin-top: 32px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-question i {
            transition: var(--transition);
            font-size: 0.9rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-gray);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A0A05 0%, #2A150A 50%, #1A0A05 100%);
            border: 1px solid rgba(255, 69, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            margin-top: var(--spacing-lg);
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            color: var(--text-gray);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-dark);
            padding: 56px 0 32px;
            margin-top: var(--spacing-lg);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-white);
        }

        .footer-col p {
            color: var(--text-gray);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col a {
            display: block;
            color: var(--text-gray);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: var(--transition);
        }

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

        .footer-18 {
            display: inline-block;
            background: var(--accent-red);
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 8px;
            border-radius: 4px;
            margin-right: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 24px;
            text-align: center;
        }

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

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 11, 11, 0.6);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-orange);
            box-shadow: 0 0 15px rgba(255, 69, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.6;
            animation: fabPulse 2s infinite;
        }

        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 25px rgba(255, 69, 0, 0.8);
            transform: scale(1.1);
        }

        .fab:active {
            transform: scale(0.95);
            border-color: #FF0000;
            box-shadow: 0 0 30px rgba(255, 0, 0, 0.8);
        }

        .fab i {
            font-size: 1.5rem;
            color: var(--accent-orange);
            animation: fabFlicker 3s infinite;
        }

        @keyframes fabPulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        @keyframes fabFlicker {
            0%, 100% { opacity: 1; }
            92% { opacity: 1; }
            93% { opacity: 0.3; }
            94% { opacity: 1; }
            97% { opacity: 0.5; }
            98% { opacity: 1; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .nav-links {
                gap: 16px;
            }
            .logo {
                font-size: 1rem;
                max-width: 260px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 64px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 12px;
                border-bottom: 1px solid var(--border-dark);
            }
            .nav-links.show {
                display: flex;
            }
            .nav-auth {
                gap: 8px;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .btn-login {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-section {
                padding: 120px 0 60px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-image-wrapper img {
                height: 280px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .info-banner {
                flex-direction: column;
                text-align: center;
                padding: 28px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            .fab i {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                text-align: center;
            }
            .alert-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .nav-auth {
                gap: 4px;
            }
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .btn-login {
                padding: 4px 8px;
                font-size: 0.8rem;
            }
            .logo {
                font-size: 0.85rem;
                max-width: 200px;
            }
        }