/* roulang page: index */
:root {
            --bg-primary: #0a0a12;
            --bg-secondary: #12121e;
            --bg-glass: rgba(18, 18, 30, 0.7);
            --accent-1: #00f0ff;
            --accent-2: #b200ff;
            --accent-3: #ff007f;
            --text-primary: #f0f2ff;
            --text-secondary: #a0a4c0;
            --text-muted: #686b8a;
            --border: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 240, 255, 0.08);
            --shadow-hover: 0 8px 32px rgba(0, 240, 255, 0.2);
            --glass-blur: blur(18px);
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.55;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 10, 18, 0.8);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        nav a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: color 0.25s, text-shadow 0.25s;
            position: relative;
        }
        nav a:hover, nav a.active {
            color: var(--accent-1);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-1);
            color: var(--accent-1);
            padding: 8px 22px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }
        .btn-solid {
            background: linear-gradient(135deg, var(--accent-1), #00b8ff);
            color: #0a0a12;
            border: none;
            padding: 8px 22px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }
        .btn-solid:hover {
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: 0.3s;
        }
        main {
            margin-top: 66px;
        }
        .hero-section {
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(178, 0, 255, 0.2), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
        }
        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 20%, var(--accent-1));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 460px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-card-group {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.35s;
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .glass-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--accent-1);
        }
        .glass-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }
        .section {
            padding: 60px 0;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-1);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.65;
        }
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 36px;
        }
        .benefit-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            transition: 0.3s;
            position: relative;
        }
        .benefit-card:hover {
            border-color: var(--accent-2);
            box-shadow: 0 0 28px rgba(178, 0, 255, 0.18);
        }
        .benefit-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 16px;
        }
        .benefit-card h4 {
            font-weight: 700;
            margin-bottom: 6px;
            font-size: 1.08rem;
        }
        .benefit-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 24px;
        }
        .matrix-item {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 14px;
            text-align: center;
            transition: 0.3s;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.92rem;
        }
        .matrix-item:hover {
            border-color: var(--accent-1);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.2);
            transform: translateY(-2px);
        }
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .post-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: 0.3s;
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            border-color: var(--accent-1);
            box-shadow: var(--shadow-hover);
        }
        .post-card img {
            height: 180px;
            object-fit: cover;
        }
        .post-card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-card-body h3 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .post-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            flex: 1;
        }
        .post-card-body .meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 10px;
        }
        .stats-row {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 28px;
        }
        .stat-block {
            text-align: center;
            flex: 1;
            min-width: 140px;
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 16px;
        }
        .stat-block .number {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-1), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-block .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .contact-entry {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            display: flex;
            align-items: center;
            gap: 30px;
            margin-top: 18px;
        }
        .contact-entry .cta-text {
            flex: 1;
        }
        .contact-entry h3 {
            font-size: 1.6rem;
            font-weight: 700;
        }
        .contact-entry p {
            color: var(--text-secondary);
            margin: 8px 0 0;
        }
        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 40px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border);
        }
        .footer-col h4 {
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--accent-1);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 18px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 90px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(10,10,18,0.75);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, var(--accent-1), var(--accent-3)) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-1);
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.4);
            cursor: pointer;
            transition: all 0.3s;
            animation: floatFab 3s ease-in-out infinite;
        }
        .fab-left:hover {
            transform: scale(1.12);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.7);
        }
        @keyframes floatFab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 36px; }
            .hero-text h1 { font-size: 2.3rem; }
            .matrix-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .benefit-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; position: absolute; top: 66px; left: 0; width: 100%; background: rgba(10,10,18,0.95); backdrop-filter: blur(20px); padding: 18px 28px; gap: 16px; border-top: 1px solid var(--border); }
            nav.open { display: flex; }
            .hamburger { display: flex; }
            .header-actions { margin-left: auto; margin-right: 14px; }
            .section-title { font-size: 1.6rem; }
            .benefit-grid, .testimonial-grid { grid-template-columns: 1fr; }
            .posts-grid { grid-template-columns: 1fr; }
            .stats-row { gap: 12px; }
            .contact-entry { flex-direction: column; text-align: center; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .hero-text h1 { font-size: 1.8rem; }
            .matrix-grid { grid-template-columns: 1fr; }
            .btn-outline, .btn-solid { padding: 7px 16px; font-size: 0.8rem; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0a0a12;
            --bg-secondary: #12121e;
            --bg-glass: rgba(18, 18, 30, 0.7);
            --accent-1: #00f0ff;
            --accent-2: #b200ff;
            --accent-3: #ff007f;
            --text-primary: #f0f2ff;
            --text-secondary: #a0a4c0;
            --text-muted: #686b8a;
            --border: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 240, 255, 0.08);
            --shadow-hover: 0 8px 32px rgba(0, 240, 255, 0.2);
            --glass-blur: blur(18px);
        }

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

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

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, .btn {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }

        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 10, 18, 0.8);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo span {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        nav a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: color 0.25s, text-shadow 0.25s;
            position: relative;
        }

        nav a:hover, nav a.active {
            color: var(--accent-1);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-1);
            color: var(--accent-1);
            padding: 8px 22px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }

        .btn-solid {
            background: linear-gradient(135deg, var(--accent-1), #00b8ff);
            color: #0a0a12;
            border: none;
            padding: 8px 22px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-solid:hover {
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

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

        .hamburger span {
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: 0.3s;
        }

        main {
            margin-top: 66px;
        }

        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.35s;
        }

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

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
            font-weight: 700;
        }

        .btn-gradient {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 18px rgba(0, 240, 255, 0.3);
        }

        .btn-gradient:hover {
            box-shadow: 0 8px 28px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .badge-accent {
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-1);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .badge-gradient {
            background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
            color: #fff;
        }

        .article-hero {
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(178, 0, 255, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .article-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
        }

        .article-hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 30%, var(--accent-1));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            margin-bottom: 18px;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .meta-row i {
            color: var(--accent-1);
            margin-right: 6px;
        }

        .article-hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 8px 40px rgba(0, 240, 255, 0.15);
            border: 1px solid var(--border);
        }

        .article-content-section {
            padding: 50px 0;
        }

        .article-body {
            max-width: 820px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 36px;
            margin-bottom: 16px;
        }

        .article-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 28px;
            margin-bottom: 12px;
        }

        .article-body p {
            margin-bottom: 18px;
        }

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

        .article-body a {
            color: var(--accent-1);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .related-section {
            padding: 60px 0 70px;
            background: var(--bg-secondary);
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 36px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title i {
            color: var(--accent-1);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .related-card {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s;
        }

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

        .related-card img {
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            height: 160px;
            object-fit: cover;
            width: 100%;
        }

        .related-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .related-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .cta-banner {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(178, 0, 255, 0.08));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
            margin: 40px auto;
            max-width: 820px;
        }

        .cta-banner h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .cta-banner p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .not-found-section {
            padding: 100px 0;
            text-align: center;
        }

        .not-found-section .glass-card {
            max-width: 500px;
            margin: 0 auto;
            padding: 50px 30px;
        }

        .not-found-icon {
            font-size: 3.5rem;
            color: var(--accent-1);
            margin-bottom: 20px;
        }

        .not-found-section h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }

        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 50px 0 30px;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
            font-size: 0.88rem;
        }

        .footer-col ul li a:hover {
            color: var(--accent-1);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            font-size: 0.82rem;
        }

        @media (max-width: 1024px) {
            .article-hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .article-hero-text h1 {
                font-size: 2rem;
            }
            nav {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            nav {
                position: fixed;
                top: 66px;
                left: 0;
                width: 100%;
                background: rgba(10, 10, 18, 0.95);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 28px;
                gap: 18px;
                transform: translateX(-100%);
                transition: transform 0.35s ease;
                border-bottom: 1px solid var(--border);
            }
            nav.nav-open {
                transform: translateX(0);
            }
            .header-actions {
                gap: 8px;
            }
            .btn-outline, .btn-solid {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .article-hero-text h1 {
                font-size: 1.7rem;
            }
            .cta-banner {
                padding: 24px;
            }
            .container {
                padding: 0 18px;
            }
        }

        @media (max-width: 480px) {
            .article-hero-text h1 {
                font-size: 1.4rem;
            }
            .btn-lg {
                width: 100%;
                justify-content: center;
            }
            .meta-row {
                gap: 10px;
                font-size: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0a0a12;
            --bg-secondary: #12121e;
            --bg-glass: rgba(18, 18, 30, 0.7);
            --accent-1: #00f0ff;
            --accent-2: #b200ff;
            --accent-3: #ff007f;
            --text-primary: #f0f2ff;
            --text-secondary: #a0a4c0;
            --text-muted: #686b8a;
            --border: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 240, 255, 0.08);
            --shadow-hover: 0 8px 32px rgba(0, 240, 255, 0.2);
            --glass-blur: blur(18px);
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.55;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 10, 18, 0.8);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        nav a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: color 0.25s, text-shadow 0.25s;
            position: relative;
        }
        nav a:hover, nav a.active {
            color: var(--accent-1);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-1);
            color: var(--accent-1);
            padding: 8px 22px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }
        .btn-solid {
            background: linear-gradient(135deg, var(--accent-1), #00b8ff);
            color: #0a0a12;
            border: none;
            padding: 8px 22px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }
        .btn-solid:hover {
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: 0.3s;
        }
        main {
            margin-top: 66px;
        }
        .page-banner {
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -15%;
            width: 650px;
            height: 650px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.18), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .banner-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
        }
        .banner-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.8px;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #fff 20%, var(--accent-1));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .banner-text p {
            font-size: 1.08rem;
            color: var(--text-secondary);
            margin-bottom: 26px;
            line-height: 1.7;
            max-width: 480px;
        }
        .banner-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .banner-visual {
            position: relative;
        }
        .banner-visual img {
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .section {
            padding: 55px 0;
        }
        .section-header {
            margin-bottom: 38px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 700px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: all 0.3s;
            position: relative;
        }
        .feature-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .feature-card .icon-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.5rem;
            color: var(--accent-1);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
        }
        .game-card {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.35s;
            position: relative;
        }
        .game-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }
        .game-card img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
        }
        .game-card .game-info {
            padding: 14px 16px;
        }
        .game-card .game-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .game-card .game-info .tag {
            font-size: 0.78rem;
            color: var(--accent-1);
            font-weight: 500;
        }
        .badge-live {
            position: absolute;
            top: 12px;
            right: 12px;
            background: #dc2626;
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .steps-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 24px;
        }
        .step-item {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all 0.3s;
        }
        .step-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            color: #0a0a12;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-content h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            justify-content: center;
            align-items: center;
            padding: 40px 20px;
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-top: 16px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .trust-item i {
            font-size: 1.6rem;
            color: var(--accent-1);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all 0.3s;
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--border-glow);
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.12);
        }
        .faq-item h4 {
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 1rem;
        }
        .faq-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(178, 0, 255, 0.08));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            margin-top: 20px;
        }
        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-box p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.65;
        }
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 22px;
        }
        .article-card {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
        }
        .article-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .article-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .article-card .article-body {
            padding: 18px;
        }
        .article-card .article-body h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .article-card .article-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }
        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 50px 0 20px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .footer-col ul li {
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            transition: color 0.25s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-1);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.82rem;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #122, #0a0a18);
            border: 2px solid var(--accent-1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-1);
            font-size: 1.4rem;
            box-shadow: 0 6px 24px rgba(0, 240, 255, 0.3);
            transition: all 0.3s;
            cursor: pointer;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(0, 240, 255, 0.5);
        }
        .fab-left .badge-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #dc2626;
            border-radius: 50%;
            border: 2px solid #fff;
        }
        @media (max-width: 1024px) {
            .banner-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .banner-text h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            nav {
                display: none;
                position: absolute;
                top: 66px;
                left: 0;
                width: 100%;
                background: rgba(10, 10, 18, 0.95);
                flex-direction: column;
                padding: 20px 28px;
                gap: 18px;
                border-bottom: 1px solid var(--border);
            }
            nav.open {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .banner-text h1 {
                font-size: 1.9rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .feature-grid, .game-grid, .steps-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .header-actions .btn-outline,
            .header-actions .btn-solid {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
            .logo {
                font-size: 1.1rem;
            }
            .banner-text h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0a0a12;
            --bg-secondary: #12121e;
            --bg-glass: rgba(18, 18, 30, 0.7);
            --accent-1: #00f0ff;
            --accent-2: #b200ff;
            --accent-3: #ff007f;
            --text-primary: #f0f2ff;
            --text-secondary: #a0a4c0;
            --text-muted: #686b8a;
            --border: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 240, 255, 0.08);
            --shadow-hover: 0 8px 32px rgba(0, 240, 255, 0.2);
            --glass-blur: blur(18px);
        }

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

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

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.55;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        button,
        .btn {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }

        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 10, 18, 0.8);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo span {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        nav a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: color 0.25s, text-shadow 0.25s;
            position: relative;
        }

        nav a:hover,
        nav a.active {
            color: var(--accent-1);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-1);
            color: var(--accent-1);
            padding: 8px 22px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }

        .btn-solid {
            background: linear-gradient(135deg, var(--accent-1), #00b8ff);
            color: #0a0a12;
            border: none;
            padding: 8px 22px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .btn-solid:hover {
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

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

        .hamburger span {
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 3px;
            transition: 0.3s;
        }

        main {
            margin-top: 66px;
        }

        .category-hero {
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(178, 0, 255, 0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
        }

        .category-hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #fff 30%, var(--accent-1));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero-text p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 26px;
            line-height: 1.7;
        }

        .appointment-panel {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-hover);
        }

        .appointment-panel h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .time-slots {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 22px;
        }

        .time-slot {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px;
            text-align: center;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s;
            cursor: pointer;
        }

        .time-slot:hover {
            border-color: var(--accent-1);
            color: var(--accent-1);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }

        .time-slot.selected {
            border-color: var(--accent-1);
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-1);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.25);
        }

        .section {
            padding: 55px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-1);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .section-desc {
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .game-showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .game-card {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.35s;
            box-shadow: var(--shadow-card);
        }

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

        .game-card-img {
            position: relative;
            overflow: hidden;
            height: 180px;
            background: var(--bg-secondary);
        }

        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .game-card-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: linear-gradient(135deg, var(--accent-3), #ff4da6);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

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

        .game-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .game-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .feature-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent-1);
            font-size: 1.2rem;
        }

        .feature-text h4 {
            font-weight: 700;
            margin-bottom: 4px;
        }

        .feature-text p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--bg-glass);
            backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all 0.3s;
        }

        .article-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-hover);
        }

        .article-card h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 8px;
        }

        .article-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .article-card .meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
        }

        .cta-section {
            padding: 50px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 28px;
        }

        .cta-inner h3 {
            font-size: 1.6rem;
            font-weight: 800;
        }

        .cta-inner p {
            color: var(--text-secondary);
        }

        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 1rem;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            transition: color 0.25s;
        }

        .footer-col ul li a:hover {
            color: var(--accent-1);
        }

        .footer-bottom {
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(10, 10, 18, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid var(--accent-1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-1);
            font-size: 1.4rem;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            transition: all 0.3s;
            cursor: pointer;
        }

        .fab-left:hover {
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.55);
            transform: scale(1.08);
        }

        @media (max-width: 1024px) {
            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .game-showcase-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            nav {
                display: none;
                position: absolute;
                top: 66px;
                left: 0;
                width: 100%;
                background: rgba(10, 10, 18, 0.95);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 28px;
                gap: 18px;
                border-bottom: 1px solid var(--border);
            }
            nav.open {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .game-showcase-grid {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .category-hero-text h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .header-actions .btn-outline {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .header-actions .btn-solid {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .time-slots {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
    --bg-primary: #0a0a12;
    --bg-secondary: #11111e;
    --bg-glass: rgba(18, 18, 30, 0.7);
    --accent-1: #00f0ff;
    --accent-2: #b200ff;
    --accent-3: #ff007f;
    --text-primary: #f0f2ff;
    --text-secondary: #a0a4c0;
    --text-muted: #686b8a;
    --border: rgba(0, 240, 255, 0.15);
    --border-glow: rgba(0, 240, 255, 0.5);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --shadow-card: 0 4px 20px rgba(0, 240, 255, 0.08);
    --shadow-hover: 0 8px 32px rgba(0, 240, 255, 0.2);
    --glass-blur: blur(18px);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.55;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button, .btn { cursor: pointer; border: none; font-family: inherit; font-size: inherit; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }
header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(10, 10, 18, 0.82);
    backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo {
    font-size: 1.35rem; font-weight: 700; color: #fff; letter-spacing: -0.5px;
    display: flex; align-items: center; gap: 8px;
}
.logo span {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
nav { display: flex; align-items: center; gap: 32px; }
nav a {
    font-weight: 500; font-size: 0.95rem; color: var(--text-secondary);
    transition: color 0.25s, text-shadow 0.25s; position: relative;
}
nav a:hover, nav a.active { color: var(--accent-1); text-shadow: 0 0 12px rgba(0, 240, 255, 0.4); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.btn-outline {
    background: transparent; border: 1px solid var(--accent-1); color: var(--accent-1);
    padding: 8px 22px; border-radius: 28px; font-weight: 600; font-size: 0.9rem;
    transition: all 0.3s; white-space: nowrap;
}
.btn-outline:hover { background: rgba(0, 240, 255, 0.1); box-shadow: 0 0 18px rgba(0, 240, 255, 0.3); }
.btn-solid {
    background: linear-gradient(135deg, var(--accent-1), #00b8ff);
    color: #0a0a12; border: none; padding: 8px 22px; border-radius: 28px;
    font-weight: 700; font-size: 0.9rem; transition: all 0.3s; white-space: nowrap;
}
.btn-solid:hover { box-shadow: 0 0 24px rgba(0, 240, 255, 0.5); transform: translateY(-2px); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.hamburger span { width: 26px; height: 2px; background: var(--text-primary); border-radius: 3px; transition: 0.3s; }
main { margin-top: 66px; }
.section-header { text-align: left; margin-bottom: 40px; }
.section-header h2 {
    font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 10px;
    letter-spacing: -0.5px; position: relative; padding-left: 24px;
}
.section-header h2::before {
    content: ''; position: absolute; left: 0; top: 5px; bottom: 5px; width: 4px;
    border-radius: 4px; background: linear-gradient(180deg, var(--accent-1), var(--accent-2));
}
.section-header p { font-size: 1rem; color: var(--text-secondary); max-width: 600px; }
.glass-card {
    background: var(--bg-glass); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px;
    box-shadow: var(--shadow-card); transition: all 0.35s;
}
.glass-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.btn-lg {
    padding: 14px 32px; border-radius: 32px; font-size: 1rem; font-weight: 700;
    background: linear-gradient(135deg, var(--accent-1), #00b8ff);
    color: #0a0a12; display: inline-flex; align-items: center; gap: 10px;
    transition: all 0.35s; box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
}
.btn-lg:hover { box-shadow: 0 0 36px rgba(0, 240, 255, 0.55); transform: translateY(-3px); }
.btn-lg-outline {
    padding: 14px 32px; border-radius: 32px; font-size: 1rem; font-weight: 700;
    background: transparent; border: 2px solid var(--accent-1); color: var(--accent-1);
    display: inline-flex; align-items: center; gap: 10px;
    transition: all 0.35s;
}
.btn-lg-outline:hover { background: rgba(0, 240, 255, 0.08); box-shadow: 0 0 24px rgba(0, 240, 255, 0.4); }
.hero-inner {
    padding: 70px 0 60px; position: relative; overflow: hidden;
}
.hero-inner::before {
    content: ''; position: absolute; top: -20%; right: -10%; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(178, 0, 255, 0.2), transparent 65%);
    border-radius: 50%; pointer-events: none;
}
.hero-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative;
}
.hero-text h1 {
    font-size: 2.5rem; font-weight: 800; line-height: 1.2; letter-spacing: -1px; margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 30%, var(--accent-1));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-text p { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 28px; line-height: 1.7; max-width: 460px; }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.badge-tag {
    display: inline-block; background: rgba(0, 240, 255, 0.1); color: var(--accent-1);
    font-size: 0.78rem; font-weight: 600; padding: 5px 14px; border-radius: 16px;
    border: 1px solid rgba(0, 240, 255, 0.3); margin-bottom: 12px;
}
.stats-row { display: flex; gap: 40px; margin-top: 24px; }
.stat-item { text-align: left; }
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--accent-1); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }
.hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); }
.section { padding: 60px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.text-accent { color: var(--accent-1); }
.text-muted { color: var(--text-secondary); }
.mb-12 { margin-bottom: 12px; }
.mb-20 { margin-bottom: 20px; }
.mb-32 { margin-bottom: 32px; }
.mt-20 { margin-top: 20px; }
.feature-card {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 28px 22px; transition: all 0.3s;
}
.feature-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-hover); }
.feature-card .icon {
    font-size: 2rem; color: var(--accent-1); margin-bottom: 14px;
}
.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.flow-steps { display: flex; gap: 20px; flex-wrap: wrap; justify-content: space-between; }
.flow-step {
    flex: 1; min-width: 160px; text-align: left; padding: 24px 20px;
    background: var(--bg-secondary); border-radius: var(--radius-md);
    border: 1px solid var(--border); position: relative;
}
.flow-step .step-num {
    font-size: 2.5rem; font-weight: 900; background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 10px;
}
.flow-step h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.flow-step p { font-size: 0.85rem; color: var(--text-secondary); }
.game-card {
    background: var(--bg-glass); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden;
    transition: all 0.35s; box-shadow: var(--shadow-card);
}
.game-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.game-card img { width: 100%; height: 180px; object-fit: cover; }
.game-card-body { padding: 18px; }
.game-card-body h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.game-card-body span { font-size: 0.82rem; color: var(--text-muted); }
.game-card .hot-tag {
    position: absolute; top: 12px; right: 12px;
    background: #ff007f; color: #fff; font-size: 0.7rem; font-weight: 700;
    padding: 4px 10px; border-radius: 12px; text-transform: uppercase;
}
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: var(--bg-glass); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border); border-radius: var(--radius-md); padding: 22px 24px;
    margin-bottom: 14px; transition: all 0.3s;
}
.faq-item:hover { border-color: var(--border-glow); box-shadow: var(--shadow-card); }
.faq-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: #fff; }
.faq-item p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.65; }
.cta-section {
    padding: 70px 0; text-align: center;
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.04) 0%, transparent 50%);
}
.cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 14px; }
.cta-section p { font-size: 1.05rem; color: var(--text-secondary); max-width: 540px; margin: 0 auto 28px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.news-list { display: flex; flex-direction: column; gap: 16px; max-width: 900px; margin: 0 auto; }
.news-item {
    display: flex; gap: 24px; background: var(--bg-glass); backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur); border: 1px solid var(--border);
    border-radius: var(--radius-md); padding: 20px; transition: all 0.3s; align-items: center;
}
.news-item:hover { border-color: var(--border-glow); box-shadow: var(--shadow-hover); }
.news-item img { width: 120px; height: 80px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
.news-info h5 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.news-info p { font-size: 0.85rem; color: var(--text-muted); }
footer {
    background: var(--bg-secondary); border-top: 1px solid var(--border);
    padding: 48px 0 24px; margin-top: 20px;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.footer-col h4 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: #fff; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li { font-size: 0.9rem; color: var(--text-secondary); }
.footer-col ul li a { color: var(--text-secondary); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--accent-1); }
.footer-bottom {
    margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--border);
    text-align: center; font-size: 0.82rem; color: var(--text-muted);
}
.fab-left {
    position: fixed; left: 20px; bottom: 90px; z-index: 90;
    width: 54px; height: 54px; border-radius: 50%;
    background: rgba(10, 10, 18, 0.85); backdrop-filter: blur(12px);
    border: 2px solid var(--border-glow);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent-1); font-size: 1.4rem;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
    transition: all 0.3s; cursor: pointer;
}
.fab-left:hover { box-shadow: 0 0 36px rgba(0, 240, 255, 0.55); transform: scale(1.1); }
.fab-left .badge-dot {
    position: absolute; top: -4px; right: -4px; width: 12px; height: 12px;
    background: #ff007f; border-radius: 50%; border: 2px solid #fff;
}
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 36px; }
    .hero-text h1 { font-size: 2rem; }
    .grid-2 { grid-template-columns: 1fr; gap: 28px; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-4 { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .container { padding: 0 18px; }
    nav { display: none; }
    .hamburger { display: flex; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .stats-row { gap: 20px; }
    .flow-steps { flex-direction: column; }
    .news-item { flex-direction: column; align-items: flex-start; }
    .hero-text h1 { font-size: 1.6rem; }
    .section-header h2 { font-size: 1.5rem; }
}

/* roulang page: category4 */
:root {
            --bg-primary: #0a0a12;
            --bg-secondary: #12121e;
            --bg-glass: rgba(18, 18, 30, 0.7);
            --accent-1: #00f0ff;
            --accent-2: #b200ff;
            --accent-3: #ff007f;
            --text-primary: #f0f2ff;
            --text-secondary: #a0a4c0;
            --text-muted: #686b8a;
            --border: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-card: 0 4px 20px rgba(0, 240, 255, 0.08);
            --shadow-hover: 0 8px 32px rgba(0, 240, 255, 0.2);
            --glass-blur: blur(18px);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.55;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }
        button, .btn { cursor: pointer; border: none; font-family: inherit; font-size: inherit; }
        .container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

        /* header / nav */
        header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            background: rgba(10, 10, 18, 0.8);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between; height: 66px;
        }
        .logo {
            font-size: 1.35rem; font-weight: 700; color: #fff; letter-spacing: -0.5px;
            display: flex; align-items: center; gap: 8px;
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        nav { display: flex; align-items: center; gap: 36px; }
        nav a {
            font-weight: 500; font-size: 0.95rem; color: var(--text-secondary);
            transition: color 0.25s, text-shadow 0.25s; position: relative;
        }
        nav a:hover, nav a.active {
            color: var(--accent-1); text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
        }
        .header-actions { display: flex; align-items: center; gap: 14px; }
        .btn-outline {
            background: transparent; border: 1px solid var(--accent-1); color: var(--accent-1);
            padding: 8px 22px; border-radius: 28px; font-weight: 600; font-size: 0.9rem;
            transition: all 0.3s; white-space: nowrap;
        }
        .btn-outline:hover { background: rgba(0, 240, 255, 0.1); box-shadow: 0 0 18px rgba(0, 240, 255, 0.3); }
        .btn-solid {
            background: linear-gradient(135deg, var(--accent-1), #00b8ff);
            color: #0a0a12; border: none; padding: 8px 22px; border-radius: 28px;
            font-weight: 700; font-size: 0.9rem; transition: all 0.3s; white-space: nowrap;
        }
        .btn-solid:hover { box-shadow: 0 0 24px rgba(0, 240, 255, 0.5); transform: translateY(-2px); }
        .hamburger {
            display: none; flex-direction: column; gap: 5px; cursor: pointer;
            padding: 4px; background: none; border: none;
        }
        .hamburger span { width: 26px; height: 2px; background: var(--text-primary); border-radius: 3px; transition: 0.3s; }

        /* main */
        main { margin-top: 66px; }

        /* glass card common */
        .glass-card {
            background: var(--bg-glass); backdrop-filter: var(--glass-blur);
            -webkit-backdrop-filter: var(--glass-blur); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 24px;
            box-shadow: var(--shadow-card); transition: all 0.35s;
        }
        .glass-card:hover { box-shadow: var(--shadow-hover); border-color: var(--border-glow); }

        /* hero */
        .hero-section {
            padding: 80px 0 60px; position: relative; overflow: hidden;
            background: radial-gradient(ellipse at 20% 50%, rgba(178,0,255,0.12), transparent 60%),
                        radial-gradient(ellipse at 80% 20%, rgba(0,240,255,0.1), transparent 50%);
        }
        .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; }
        .hero-text h1 {
            font-size: 2.8rem; font-weight: 800; line-height: 1.15; letter-spacing: -1px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 20%, var(--accent-1));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        .hero-text p { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 28px; line-height: 1.7; max-width: 460px; }
        .hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-visual img { border-radius: var(--radius-lg); border: 1px solid var(--border); }

        /* section common */
        .section { padding: 55px 0; }
        .section-header { margin-bottom: 40px; }
        .section-header h2 { font-size: 2rem; font-weight: 700; margin-bottom: 10px; }
        .section-header p { color: var(--text-secondary); font-size: 1.02rem; }

        /* feature grid */
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-card {
            background: var(--bg-secondary); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 30px 24px; transition: all 0.3s;
        }
        .feature-card:hover { border-color: var(--border-glow); box-shadow: var(--shadow-hover); }
        .feature-icon { font-size: 2.4rem; margin-bottom: 16px; }
        .feature-card h3 { font-size: 1.2rem; font-weight: 650; margin-bottom: 10px; }
        .feature-card p { color: var(--text-secondary); font-size: 0.94rem; line-height: 1.55; }

        /* game list */
        .game-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
        .game-card {
            background: var(--bg-secondary); border: 1px solid var(--border);
            border-radius: var(--radius-md); overflow: hidden; transition: all 0.3s;
        }
        .game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--border-glow); }
        .game-card img { width: 100%; height: 180px; object-fit: cover; }
        .game-card-info { padding: 16px; }
        .game-card-info h4 { font-size: 1rem; font-weight: 650; margin-bottom: 4px; }
        .game-card-info span { font-size: 0.85rem; color: var(--text-muted); }

        /* process steps */
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .step-card {
            text-align: left; padding: 28px 24px; background: var(--bg-secondary);
            border: 1px solid var(--border); border-radius: var(--radius-md); transition: 0.3s;
        }
        .step-card:hover { border-color: var(--accent-1); }
        .step-number { font-size: 3rem; font-weight: 800; color: var(--accent-1); opacity: 0.3; line-height: 1; }
        .step-card h4 { font-size: 1.2rem; font-weight: 650; margin: 10px 0 8px; }
        .step-card p { color: var(--text-secondary); font-size: 0.94rem; }

        /* table list */
        .table-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .table-item {
            display: flex; gap: 18px; align-items: flex-start; padding: 20px;
            background: var(--bg-secondary); border: 1px solid var(--border);
            border-radius: var(--radius-md); transition: 0.3s;
        }
        .table-item:hover { border-color: var(--border-glow); }
        .table-badge { font-size: 1.6rem; color: var(--accent-1); }
        .table-item h4 { font-size: 1.1rem; font-weight: 650; margin-bottom: 6px; }
        .table-item p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.5; }

        /* news list */
        .news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
        .news-item {
            background: var(--bg-secondary); border: 1px solid var(--border);
            border-radius: var(--radius-md); overflow: hidden; transition: 0.3s; display: flex;
        }
        .news-item:hover { box-shadow: var(--shadow-hover); border-color: var(--border-glow); }
        .news-item img { width: 160px; height: 120px; object-fit: cover; flex-shrink: 0; }
        .news-content { padding: 18px; display: flex; flex-direction: column; justify-content: center; }
        .news-content .news-tag { font-size: 0.78rem; color: var(--accent-1); font-weight: 600; margin-bottom: 6px; }
        .news-content h4 { font-size: 1rem; font-weight: 650; margin-bottom: 6px; line-height: 1.4; }
        .news-content p { font-size: 0.84rem; color: var(--text-muted); }
        .news-empty { color: var(--text-muted); font-style: italic; padding: 20px; }

        /* faq */
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .faq-item {
            background: var(--bg-secondary); border: 1px solid var(--border);
            border-radius: var(--radius-md); padding: 22px 24px; transition: 0.3s;
        }
        .faq-item:hover { border-color: var(--accent-1); }
        .faq-item h4 { font-size: 1.05rem; font-weight: 650; margin-bottom: 8px; }
        .faq-item p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.55; }

        /* cta bar */
        .cta-bar {
            background: linear-gradient(135deg, rgba(0,240,255,0.08), rgba(178,0,255,0.1));
            border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 50px 40px;
            text-align: left; display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: space-between;
        }
        .cta-bar h2 { font-size: 1.7rem; font-weight: 700; }
        .cta-bar p { color: var(--text-secondary); font-size: 1rem; margin-top: 8px; max-width: 500px; }

        /* footer */
        footer {
            background: var(--bg-secondary); border-top: 1px solid var(--border);
            padding: 50px 0 30px; margin-top: 40px;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
        .footer-col h4 { font-size: 1.1rem; font-weight: 650; margin-bottom: 18px; color: #fff; }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col ul li { margin-bottom: 10px; font-size: 0.92rem; color: var(--text-secondary); }
        .footer-col ul li a { color: var(--text-secondary); transition: color 0.25s; }
        .footer-col ul li a:hover { color: var(--accent-1); }
        .footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); text-align: center; color: var(--text-muted); font-size: 0.85rem; }

        /* fab */
        .fab {
            position: fixed; left: 24px; bottom: 24px; z-index: 50;
            width: 56px; height: 56px; border-radius: 50%;
            background: rgba(18,18,30,0.85); backdrop-filter: blur(14px);
            border: 2px solid var(--accent-1);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.6rem; color: var(--accent-1);
            box-shadow: 0 0 20px rgba(0,240,255,0.35);
            transition: all 0.3s; cursor: pointer;
        }
        .fab:hover { transform: scale(1.1); box-shadow: 0 0 30px rgba(0,240,255,0.55); }

        /* responsive */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 40px; }
            .hero-text h1 { font-size: 2.2rem; }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .news-item { flex-direction: column; }
            .news-item img { width: 100%; height: 160px; }
        }
        @media (max-width: 768px) {
            nav { display: none; position: absolute; top: 66px; left: 0; width: 100%; background: var(--bg-glass); flex-direction: column; gap: 18px; padding: 24px; border-bottom: 1px solid var(--border); backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px); }
            nav.active { display: flex; }
            .hamburger { display: flex; }
            .header-actions { gap: 8px; }
            .btn-outline, .btn-solid { padding: 7px 16px; font-size: 0.82rem; }
            .hero-text h1 { font-size: 1.9rem; }
            .feature-grid, .game-grid, .steps-grid, .table-grid, .news-list, .faq-grid { grid-template-columns: 1fr; }
            .cta-bar { flex-direction: column; text-align: left; align-items: flex-start; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-section { padding: 50px 0 30px; }
            .hero-text h1 { font-size: 1.6rem; }
            .section { padding: 36px 0; }
            .section-header h2 { font-size: 1.5rem; }
            .fab { left: 14px; bottom: 14px; width: 48px; height: 48px; font-size: 1.3rem; }
        }