/* roulang page: index */
:root {
            --color-bg-primary: #030712;
            --color-bg-deep: #081229;
            --color-accent-electric: #2563EB;
            --color-accent-cyan: #38BDF8;
            --color-text-primary: #F8FAFC;
            --color-text-secondary: #94A3B8;
            --color-text-holo: #60A5FA;
            --color-border-subtle: rgba(37, 99, 235, 0.25);
            --color-glass: rgba(8, 18, 41, 0.65);
            --color-glow-blue: rgba(37, 99, 235, 0.4);
            --color-glow-cyan: rgba(56, 189, 248, 0.3);
            --color-danger: #DC2626;
            --color-success: #10B981;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px var(--color-glow-blue);
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container-custom {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Typography */
        h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; }
        h1 { font-size: 2.8rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; margin-bottom: 1rem; }
        h3 { font-size: 1.5rem; }
        p { color: var(--color-text-secondary); margin-bottom: 1rem; }
        a { color: var(--color-text-holo); text-decoration: none; transition: var(--transition-base); }
        a:hover { color: var(--color-accent-cyan); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; padding: 0; margin: 0; }
        /* Buttons */
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 12px 28px; font-weight: 600; font-size: 0.95rem;
            border-radius: var(--radius-sm); transition: var(--transition-base);
            cursor: pointer; text-decoration: none; border: none; gap: 8px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            color: #fff; box-shadow: 0 4px 15px var(--color-glow-blue);
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px var(--color-glow-blue); color: #fff; }
        .btn-outline {
            background: transparent; border: 1px solid var(--color-accent-cyan);
            color: var(--color-accent-cyan);
        }
        .btn-outline:hover { background: rgba(37, 99, 235, 0.1); color: var(--color-accent-cyan); }
        .btn-ghost { background: transparent; color: var(--color-text-secondary); border: 1px solid transparent; }
        .btn-ghost:hover { border-color: var(--color-border-subtle); color: var(--color-text-primary); }
        /* Header & Navigation */
        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(3, 7, 18, 0.8); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
            padding: 0;
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.4rem;
            color: var(--color-text-primary); letter-spacing: -0.01em;
            display: flex; align-items: center; gap: 8px;
        }
        .logo i { color: var(--color-accent-cyan); font-size: 1.8rem; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 8px 16px; border-radius: var(--radius-sm); color: var(--color-text-secondary);
            font-weight: 500; font-size: 0.95rem; transition: var(--transition-base);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-accent-cyan); background: rgba(37, 99, 235, 0.1); }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .mobile-toggle { display: none; background: none; border: none; color: var(--color-text-primary); font-size: 1.5rem; cursor: pointer; }
        @media (max-width: 1024px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .mobile-menu-active .nav-links {
                display: flex; flex-direction: column; position: absolute;
                top: 70px; left: 0; width: 100%; background: var(--color-bg-primary);
                border-bottom: 1px solid var(--color-border-subtle); padding: 20px;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
        }
        /* Footer */
        .site-footer {
            background: var(--color-bg-deep); border-top: 1px solid var(--color-border-subtle);
            padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
        .footer-col h4 { font-size: 1.1rem; margin-bottom: 1.2rem; color: var(--color-text-primary); }
        .footer-col a { display: block; color: var(--color-text-secondary); margin-bottom: 0.6rem; font-size: 0.9rem; }
        .footer-col a:hover { color: var(--color-accent-cyan); }
        .footer-bottom { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--color-text-secondary); font-size: 0.85rem; }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 480px) {
            .footer-grid { grid-template-columns: 1fr; }
            .header-inner { height: 60px; }
            .logo { font-size: 1.1rem; }
        }
        /* FAB */
        .fab {
            position: fixed; left: 16px; bottom: 96px; z-index: 50;
            width: 56px; height: 56px; border-radius: 50%;
            background: rgba(3, 7, 18, 0.85); backdrop-filter: blur(12px);
            border: 2px solid var(--color-accent-cyan); box-shadow: 0 0 20px var(--color-glow-cyan);
            display: flex; align-items: center; justify-content: center;
            color: var(--color-accent-cyan); font-size: 1.4rem; cursor: pointer;
            opacity: 0.8; transition: var(--transition-base); animation: fabFloat 2s infinite alternate;
        }
        .fab:hover { opacity: 1; transform: scale(1.1); box-shadow: 0 0 30px var(--color-glow-cyan); }
        @keyframes fabFloat { from { transform: translateY(0); } to { transform: translateY(-6px); } }
        /* Cards & Glassmorphism */
        .glass-card {
            background: var(--color-glass); backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-lg);
            padding: 28px; transition: var(--transition-base);
        }
        .glass-card:hover { border-color: var(--color-accent-cyan); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
        .game-card {
            background: linear-gradient(145deg, #0A1120, #050C16);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-md);
            overflow: hidden; transition: var(--transition-base); position: relative;
        }
        .game-card:hover { border-color: var(--color-accent-cyan); box-shadow: 0 0 25px var(--color-glow-blue); transform: scale(1.02); }
        .game-card .tag {
            position: absolute; top: 12px; right: 12px;
            background: var(--color-danger); color: #fff; padding: 4px 12px;
            border-radius: 20px; font-size: 0.75rem; font-weight: 700;
        }
        .countdown-box {
            display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
        }
        .count-item {
            background: var(--color-glass); backdrop-filter: blur(12px);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-md);
            padding: 20px 24px; text-align: center; min-width: 80px;
        }
        .count-item span { display: block; font-size: 2.2rem; font-weight: 800; color: var(--color-accent-cyan); }
        /* Layout helpers */
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        @media (max-width: 1024px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } .countdown-box { gap: 10px; } .count-item { min-width: 60px; padding: 14px 12px; } .count-item span { font-size: 1.5rem; } }
        .section-padding { padding: 70px 0; }
        .section-header { margin-bottom: 40px; }
        .section-header p { max-width: 700px; }

/* roulang page: article */
:root {
        --color-bg-primary: #030712;
        --color-bg-deep: #081229;
        --color-accent-electric: #2563EB;
        --color-accent-cyan: #38BDF8;
        --color-text-primary: #F8FAFC;
        --color-text-secondary: #94A3B8;
        --color-text-holo: #60A5FA;
        --color-border-subtle: rgba(37, 99, 235, 0.25);
        --color-glass: rgba(8, 18, 41, 0.65);
        --color-glow-blue: rgba(37, 99, 235, 0.4);
        --color-glow-cyan: rgba(56, 189, 248, 0.3);
        --color-danger: #DC2626;
        --color-success: #10B981;
        --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
        --shadow-glow: 0 0 20px var(--color-glow-blue);
        --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
        scroll-behavior: smooth;
    }

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

    .container-custom {
        max-width: 1260px;
        margin: 0 auto;
        padding: 0 20px;
    }

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

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

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

    h1, h2, h3, h4, h5, h6 {
        font-family: var(--font-heading);
        color: var(--color-text-primary);
        line-height: 1.3;
    }

    h1 { font-size: 2.5rem; font-weight: 800; }
    h2 { font-size: 2rem; font-weight: 700; }
    h3 { font-size: 1.5rem; font-weight: 600; }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 28px;
        font-weight: 600;
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
        transition: var(--transition-base);
        cursor: pointer;
        text-decoration: none;
        border: none;
        gap: 8px;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
        color: #fff;
        box-shadow: 0 4px 15px var(--color-glow-blue);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px var(--color-glow-blue);
        color: #fff;
    }

    .btn-outline {
        background: transparent;
        border: 1px solid var(--color-accent-cyan);
        color: var(--color-accent-cyan);
    }

    .btn-outline:hover {
        background: rgba(37, 99, 235, 0.1);
        color: var(--color-accent-cyan);
    }

    .btn-ghost {
        background: transparent;
        color: var(--color-text-secondary);
        border: 1px solid transparent;
    }

    .btn-ghost:hover {
        border-color: var(--color-border-subtle);
        color: var(--color-text-primary);
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(3, 7, 18, 0.8);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(37, 99, 235, 0.15);
        padding: 0;
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 70px;
    }

    .logo {
        font-family: var(--font-heading);
        font-weight: 800;
        font-size: 1.4rem;
        color: var(--color-text-primary);
        letter-spacing: -0.01em;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .logo i {
        color: var(--color-accent-cyan);
        font-size: 1.8rem;
    }

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

    .nav-links a {
        padding: 8px 16px;
        border-radius: var(--radius-sm);
        color: var(--color-text-secondary);
        font-weight: 500;
        font-size: 0.95rem;
        transition: var(--transition-base);
    }

    .nav-links a:hover,
    .nav-links a.active {
        color: var(--color-accent-cyan);
        background: rgba(37, 99, 235, 0.1);
    }

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

    .mobile-toggle {
        display: none;
        background: none;
        border: none;
        color: var(--color-text-primary);
        font-size: 1.5rem;
        cursor: pointer;
    }

    .site-footer {
        background: var(--color-bg-deep);
        border-top: 1px solid var(--color-border-subtle);
        padding: 60px 0 30px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 40px;
    }

    .footer-col h4 {
        font-size: 1.1rem;
        margin-bottom: 1.2rem;
        color: var(--color-text-primary);
    }

    .footer-col a {
        display: block;
        color: var(--color-text-secondary);
        margin-bottom: 0.6rem;
        font-size: 0.9rem;
    }

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

    .footer-bottom {
        text-align: center;
        margin-top: 40px;
        padding-top: 20px;
        border-top: 1px solid rgba(255,255,255,0.05);
        color: var(--color-text-secondary);
        font-size: 0.85rem;
    }

    .glass-card {
        background: var(--color-glass);
        backdrop-filter: blur(10px);
        border: 1px solid var(--color-border-subtle);
        border-radius: var(--radius-lg);
        padding: 28px;
        transition: var(--transition-base);
    }

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

    .article-container {
        max-width: 860px;
        margin: 0 auto;
    }

    .article-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        margin-bottom: 24px;
        color: var(--color-text-secondary);
        font-size: 0.9rem;
        flex-wrap: wrap;
    }

    .article-meta .badge {
        background: rgba(37, 99, 235, 0.2);
        color: var(--color-accent-cyan);
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 600;
    }

    .article-banner {
        width: 100%;
        height: 360px;
        object-fit: cover;
        border-radius: var(--radius-lg);
        margin-bottom: 32px;
        border: 1px solid var(--color-border-subtle);
    }

    .article-content {
        font-size: 1.05rem;
        line-height: 1.8;
        color: var(--color-text-secondary);
    }

    .article-content h2 {
        font-size: 1.8rem;
        margin-top: 40px;
        margin-bottom: 16px;
        color: var(--color-text-primary);
        border-left: 4px solid var(--color-accent-cyan);
        padding-left: 16px;
    }

    .article-content h3 {
        font-size: 1.4rem;
        margin-top: 32px;
        margin-bottom: 12px;
        color: var(--color-text-primary);
    }

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

    .article-content ul, 
    .article-content ol {
        margin-left: 24px;
        margin-bottom: 18px;
    }

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

    .article-content blockquote {
        background: var(--color-glass);
        border-left: 4px solid var(--color-accent-cyan);
        padding: 20px 24px;
        border-radius: var(--radius-md);
        margin: 32px 0;
        color: var(--color-text-primary);
        font-style: italic;
    }

    .article-content strong {
        color: var(--color-text-primary);
        font-weight: 700;
    }

    .cta-banner {
        background: linear-gradient(135deg, #0F1D3D, #081229);
        border: 1px solid var(--color-border-subtle);
        border-radius: var(--radius-lg);
        padding: 40px 32px;
        margin: 48px 0;
        text-align: center;
        box-shadow: 0 0 30px var(--color-glow-blue);
    }

    .cta-banner h3 {
        font-size: 1.6rem;
        margin-bottom: 12px;
    }

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

    .not-found-message {
        text-align: center;
        padding: 80px 20px;
        color: var(--color-text-secondary);
    }

    .not-found-message i {
        font-size: 4rem;
        color: var(--color-accent-cyan);
        margin-bottom: 24px;
        display: block;
    }

    .not-found-message h3 {
        font-size: 1.8rem;
        margin-bottom: 16px;
    }

    .related-stories {
        margin-top: 60px;
        padding-top: 40px;
        border-top: 1px solid var(--color-border-subtle);
    }

    .related-stories h3 {
        margin-bottom: 28px;
    }

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

    .related-item {
        display: flex;
        gap: 16px;
        align-items: center;
        padding: 16px;
        background: var(--color-glass);
        border: 1px solid var(--color-border-subtle);
        border-radius: var(--radius-md);
        transition: var(--transition-base);
    }

    .related-item:hover {
        border-color: var(--color-accent-cyan);
        transform: translateX(4px);
    }

    .related-item img {
        width: 80px;
        height: 80px;
        object-fit: cover;
        border-radius: var(--radius-sm);
        flex-shrink: 0;
    }

    .related-item span {
        font-weight: 600;
        font-size: 0.95rem;
    }

    .hot-badge {
        background: var(--color-danger);
        color: #fff;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.75rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    @media (max-width: 1024px) {
        h1 { font-size: 2rem; }
        h2 { font-size: 1.6rem; }
        .article-banner { height: 260px; }
        .footer-grid { grid-template-columns: repeat(2, 1fr); }
        .related-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
        .nav-links { display: none; }
        .mobile-toggle { display: block; }
        
        .mobile-menu-active .nav-links {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--color-bg-primary);
            border-bottom: 1px solid var(--color-border-subtle);
            padding: 20px;
            z-index: 99;
        }

        h1 { font-size: 1.8rem; }
        h2 { font-size: 1.4rem; }
        .article-banner { height: 200px; }
        .article-content { font-size: 1rem; }
        .footer-grid { grid-template-columns: 1fr; }
        .container-custom { padding: 0 16px; }
        .cta-banner { padding: 28px 20px; }
    }

    @media (max-width: 520px) {
        .header-inner { height: 60px; }
        .logo { font-size: 1.1rem; }
        h1 { font-size: 1.6rem; }
        .article-banner { height: 180px; }
        .article-meta { font-size: 0.8rem; }
    }

    .fab-container {
        position: fixed;
        left: 16px;
        bottom: 24px;
        z-index: 50;
    }

    .fab-btn {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: var(--color-glass);
        backdrop-filter: blur(12px);
        border: 2px solid var(--color-accent-cyan);
        color: var(--color-accent-cyan);
        font-size: 1.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: 0 0 20px var(--color-glow-cyan);
        transition: var(--transition-base);
        animation: fabPulse 2s infinite;
    }

    .fab-btn:hover {
        transform: scale(1.1);
        box-shadow: 0 0 35px var(--color-glow-cyan);
        background: rgba(37, 99, 235, 0.15);
    }

    @keyframes fabPulse {
        0%, 100% { box-shadow: 0 0 20px var(--color-glow-cyan); }
        50% { box-shadow: 0 0 40px rgba(56, 189, 248, 0.6); }
    }

    .notification-dot {
        position: absolute;
        top: 4px;
        right: 4px;
        width: 12px;
        height: 12px;
        background: #EF4444;
        border-radius: 50%;
        border: 2px solid var(--color-bg-primary);
    }

/* roulang page: category1 */
:root {
            --color-bg-primary: #030712;
            --color-bg-deep: #081229;
            --color-accent-electric: #2563EB;
            --color-accent-cyan: #38BDF8;
            --color-text-primary: #F8FAFC;
            --color-text-secondary: #94A3B8;
            --color-text-holo: #60A5FA;
            --color-border-subtle: rgba(37, 99, 235, 0.25);
            --color-glass: rgba(8, 18, 41, 0.65);
            --color-glow-blue: rgba(37, 99, 235, 0.4);
            --color-glow-cyan: rgba(56, 189, 248, 0.3);
            --color-danger: #DC2626;
            --color-success: #10B981;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px var(--color-glow-blue);
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container-custom {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a { color: var(--color-text-holo); text-decoration: none; transition: var(--transition-base); }
        a:hover { color: var(--color-accent-cyan); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; }
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 12px 28px; font-weight: 600; font-size: 0.95rem;
            border-radius: var(--radius-sm); transition: var(--transition-base);
            cursor: pointer; text-decoration: none; border: none; gap: 8px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            color: #fff; box-shadow: 0 4px 15px var(--color-glow-blue);
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px var(--color-glow-blue); color: #fff; }
        .btn-outline {
            background: transparent; border: 1px solid var(--color-accent-cyan);
            color: var(--color-accent-cyan);
        }
        .btn-outline:hover { background: rgba(37, 99, 235, 0.1); color: var(--color-accent-cyan); }
        .btn-ghost { background: transparent; color: var(--color-text-secondary); border: 1px solid transparent; }
        .btn-ghost:hover { border-color: var(--color-border-subtle); color: var(--color-text-primary); }
        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(3, 7, 18, 0.85); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
            padding: 0;
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.4rem;
            color: var(--color-text-primary); letter-spacing: -0.01em;
            display: flex; align-items: center; gap: 10px;
        }
        .logo i { color: var(--color-accent-cyan); font-size: 1.8rem; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 8px 16px; border-radius: var(--radius-sm); color: var(--color-text-secondary);
            font-weight: 500; font-size: 0.95rem; transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-accent-cyan); background: rgba(37, 99, 235, 0.1); }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .mobile-toggle { display: none; background: none; border: none; color: var(--color-text-primary); font-size: 1.5rem; cursor: pointer; }
        @media (max-width: 1024px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .mobile-menu-active .nav-links {
                display: flex; flex-direction: column; position: absolute;
                top: 70px; left: 0; width: 100%; background: var(--color-bg-primary);
                border-bottom: 1px solid var(--color-border-subtle); padding: 20px;
                gap: 4px;
            }
        }
        .site-footer {
            background: var(--color-bg-deep); border-top: 1px solid var(--color-border-subtle);
            padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
        .footer-col h4 { font-size: 1.1rem; margin-bottom: 1.2rem; color: var(--color-text-primary); }
        .footer-col a { display: block; color: var(--color-text-secondary); margin-bottom: 0.6rem; font-size: 0.9rem; }
        .footer-col a:hover { color: var(--color-accent-cyan); }
        .footer-bottom { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--color-text-secondary); font-size: 0.85rem; }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .header-inner { height: 60px; }
            .logo { font-size: 1.1rem; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
        }
        .glass-card {
            background: var(--color-glass); backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-lg);
            padding: 28px; transition: var(--transition-base);
        }
        .glass-card:hover { border-color: var(--color-accent-cyan); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
        .page-hero {
            background: linear-gradient(135deg, var(--color-bg-deep) 0%, #0A1628 100%);
            border-bottom: 1px solid var(--color-border-subtle);
            padding: 60px 0 50px;
            position: relative;
        }
        .page-hero h1 { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: var(--color-text-primary); margin-bottom: 16px; }
        .page-hero .lead { color: var(--color-text-secondary); font-size: 1.15rem; max-width: 720px; line-height: 1.7; }
        .section-title { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 700; margin-bottom: 1rem; color: var(--color-text-primary); }
        .section-subtitle { color: var(--color-text-secondary); font-size: 1rem; margin-bottom: 2rem; max-width: 600px; }
        .method-card {
            background: linear-gradient(145deg, #0A1120, #050C16);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: var(--transition-base);
            height: 100%;
        }
        .method-card:hover { border-color: var(--color-accent-cyan); box-shadow: 0 0 25px rgba(56, 189, 248, 0.2); transform: translateY(-3px); }
        .method-icon { font-size: 2.8rem; color: var(--color-accent-cyan); margin-bottom: 1.2rem; }
        .method-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.6rem; }
        .method-card p { color: var(--color-text-secondary); font-size: 0.95rem; line-height: 1.6; }
        .step-list { list-style: none; padding: 0; margin: 0; }
        .step-list li {
            display: flex; gap: 16px; align-items: flex-start;
            padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .step-number {
            width: 42px; height: 42px; flex-shrink: 0; border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: 1.1rem;
        }
        .step-content h4 { font-weight: 700; margin-bottom: 4px; font-size: 1.05rem; }
        .step-content p { color: var(--color-text-secondary); margin: 0; font-size: 0.9rem; }
        .comparison-table { width: 100%; border-collapse: collapse; }
        .comparison-table th {
            text-align: left; padding: 14px 16px; font-weight: 700;
            color: var(--color-accent-cyan); border-bottom: 2px solid var(--color-border-subtle);
            font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.03em;
        }
        .comparison-table td {
            padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,0.05);
            color: var(--color-text-secondary); font-size: 0.92rem;
        }
        .comparison-table tr:nth-child(even) td { background: rgba(37, 99, 235, 0.03); }
        .highlight-badge {
            display: inline-block; padding: 4px 10px; border-radius: 20px;
            font-size: 0.75rem; font-weight: 600; background: rgba(56, 189, 248, 0.15);
            color: var(--color-accent-cyan); margin-left: 8px;
        }
        .faq-list { max-width: 800px; }
        .faq-item { border-bottom: 1px solid rgba(255,255,255,0.06); padding: 24px 0; cursor: pointer; }
        .faq-item h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
        .faq-item h3 i { transition: transform 0.3s; font-size: 0.9rem; color: var(--color-accent-cyan); }
        .faq-item.open h3 i { transform: rotate(45deg); }
        .faq-item .faq-body { color: var(--color-text-secondary); font-size: 0.95rem; line-height: 1.7; display: none; }
        .faq-item.open .faq-body { display: block; }
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-deep), #0F1A33);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-xl);
            padding: 40px;
            text-align: center;
        }
        .cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; }
        .cta-section p { color: var(--color-text-secondary); margin-bottom: 1.5rem; }
        .article-card {
            background: linear-gradient(145deg, #0A1120, #050C16);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition-base);
        }
        .article-card:hover { border-color: var(--color-accent-cyan); box-shadow: 0 8px 30px rgba(0,0,0,0.5); transform: translateY(-2px); }
        .article-card img { width: 100%; height: 200px; object-fit: cover; }
        .article-card-body { padding: 20px; }
        .article-card-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
        .article-card-body h3 a { color: var(--color-text-primary); }
        .article-card-body h3 a:hover { color: var(--color-accent-cyan); }
        .article-card-body .meta { font-size: 0.82rem; color: var(--color-text-secondary); margin-bottom: 8px; }
        .article-card-body p { color: var(--color-text-secondary); font-size: 0.9rem; line-height: 1.6; }

/* roulang page: category2 */
:root {
            --color-bg-primary: #030712;
            --color-bg-deep: #081229;
            --color-accent-electric: #2563EB;
            --color-accent-cyan: #38BDF8;
            --color-text-primary: #F8FAFC;
            --color-text-secondary: #94A3B8;
            --color-text-holo: #60A5FA;
            --color-border-subtle: rgba(37, 99, 235, 0.25);
            --color-glass: rgba(8, 18, 41, 0.65);
            --color-glow-blue: rgba(37, 99, 235, 0.4);
            --color-glow-cyan: rgba(56, 189, 248, 0.3);
            --color-danger: #DC2626;
            --color-success: #10B981;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px var(--color-glow-blue);
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container-custom {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a { color: var(--color-text-holo); text-decoration: none; transition: var(--transition-base); }
        a:hover { color: var(--color-accent-cyan); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; }
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 12px 28px; font-weight: 600; font-size: 0.95rem;
            border-radius: var(--radius-sm); transition: var(--transition-base);
            cursor: pointer; text-decoration: none; border: none; gap: 8px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            color: #fff; box-shadow: 0 4px 15px var(--color-glow-blue);
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px var(--color-glow-blue); color: #fff; }
        .btn-outline {
            background: transparent; border: 1px solid var(--color-accent-cyan);
            color: var(--color-accent-cyan);
        }
        .btn-outline:hover { background: rgba(37, 99, 235, 0.1); color: var(--color-accent-cyan); }
        .btn-ghost { background: transparent; color: var(--color-text-secondary); border: 1px solid transparent; }
        .btn-ghost:hover { border-color: var(--color-border-subtle); color: var(--color-text-primary); }
        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(3, 7, 18, 0.8); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
            padding: 0;
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.4rem;
            color: var(--color-text-primary); letter-spacing: -0.01em;
            display: flex; align-items: center; gap: 8px;
        }
        .logo i { color: var(--color-accent-cyan); font-size: 1.8rem; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 8px 16px; border-radius: var(--radius-sm); color: var(--color-text-secondary);
            font-weight: 500; font-size: 0.95rem; transition: var(--transition-base);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-accent-cyan); background: rgba(37, 99, 235, 0.1); }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .mobile-toggle { display: none; background: none; border: none; color: var(--color-text-primary); font-size: 1.5rem; cursor: pointer; }
        .site-footer {
            background: var(--color-bg-deep); border-top: 1px solid var(--color-border-subtle);
            padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
        .footer-col h4 { font-size: 1.1rem; margin-bottom: 1.2rem; color: var(--color-text-primary); }
        .footer-col a { display: block; color: var(--color-text-secondary); margin-bottom: 0.6rem; font-size: 0.9rem; }
        .footer-col a:hover { color: var(--color-accent-cyan); }
        .footer-bottom { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--color-text-secondary); font-size: 0.85rem; }
        .glass-card {
            background: var(--color-glass); backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-lg);
            padding: 28px; transition: var(--transition-base);
        }
        .glass-card:hover { border-color: var(--color-accent-cyan); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
        .game-card {
            background: linear-gradient(145deg, #0A1120, #050C16);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-md);
            overflow: hidden; transition: var(--transition-base); position: relative;
        }
        .game-card:hover {
            border-color: var(--color-accent-cyan); box-shadow: 0 12px 40px rgba(37, 99, 235, 0.3);
            transform: translateY(-5px);
        }
        .game-card .card-img { height: 200px; overflow: hidden; position: relative; }
        .game-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .game-card:hover .card-img img { transform: scale(1.05); }
        .game-card .card-body { padding: 20px; }
        .game-card .badge {
            position: absolute; top: 12px; right: 12px;
            background: var(--color-danger); color: #fff; font-weight: 700;
            font-size: 0.75rem; padding: 4px 10px; border-radius: 20px;
            z-index: 2; letter-spacing: 0.05em;
        }
        .game-card .rating {
            display: flex; align-items: center; gap: 6px;
            color: var(--color-accent-cyan); font-weight: 600; margin-bottom: 8px;
        }
        .game-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--color-text-primary); }
        .game-card p { color: var(--color-text-secondary); font-size: 0.9rem; margin-bottom: 16px; line-height: 1.5; }
        .metric-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
            text-align: center;
        }
        .metric-item { padding: 24px; }
        .metric-item .metric-value {
            font-size: 2.5rem; font-weight: 800;
            background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-electric));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text; line-height: 1.2;
        }
        .metric-item .metric-label { color: var(--color-text-secondary); font-size: 0.9rem; margin-top: 8px; }
        .comparison-table {
            width: 100%; border-collapse: separate; border-spacing: 0;
            border-radius: var(--radius-lg); overflow: hidden;
            border: 1px solid var(--color-border-subtle);
        }
        .comparison-table th {
            background: rgba(37, 99, 235, 0.15); color: var(--color-accent-cyan);
            padding: 16px; text-align: left; font-weight: 700; font-size: 0.9rem;
        }
        .comparison-table td {
            padding: 14px 16px; border-top: 1px solid rgba(255,255,255,0.05);
            color: var(--color-text-secondary); font-size: 0.9rem;
        }
        .comparison-table tr:hover td { background: rgba(37, 99, 235, 0.05); }
        .check-icon { color: var(--color-success); }
        .times-icon { color: var(--color-danger); }
        .process-step {
            display: flex; gap: 20px; align-items: flex-start;
            padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .process-step .step-num {
            flex-shrink: 0; width: 48px; height: 48px;
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            font-weight: 800; font-size: 1.2rem; color: #fff;
        }
        .process-step .step-content h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
        .process-step .step-content p { color: var(--color-text-secondary); font-size: 0.9rem; margin: 0; }
        .faq-item {
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
        }
        .faq-item h4 {
            font-size: 1.05rem; font-weight: 700; cursor: pointer;
            display: flex; justify-content: space-between; align-items: center;
            margin: 0; transition: var(--transition-base);
        }
        .faq-item h4:hover { color: var(--color-accent-cyan); }
        .faq-item p { color: var(--color-text-secondary); font-size: 0.9rem; margin: 12px 0 0; display: none; }
        .faq-item.active p { display: block; }
        .timeline-dot {
            display: flex; align-items: center; gap: 16px;
            padding: 16px 0; border-left: 2px solid var(--color-border-subtle);
            padding-left: 24px; position: relative;
        }
        .timeline-dot::before {
            content: ''; position: absolute; left: -6px; top: 22px;
            width: 10px; height: 10px; border-radius: 50%;
            background: var(--color-accent-cyan); box-shadow: 0 0 12px var(--color-glow-cyan);
        }
        .section-padding { padding: 70px 0; }
        .section-header { margin-bottom: 50px; }
        .section-header h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
        .section-header p { color: var(--color-text-secondary); font-size: 1.05rem; max-width: 700px; }
        .text-gradient {
            background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-electric));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero {
            background: linear-gradient(180deg, rgba(8,18,41,0.8) 0%, var(--color-bg-primary) 100%);
            padding: 80px 0 60px; position: relative; overflow: hidden;
        }
        .page-hero::before {
            content: ''; position: absolute; top: -50%; right: -20%;
            width: 600px; height: 600px; background: radial-gradient(circle, rgba(37,99,235,0.1) 0%, transparent 70%);
            border-radius: 50%;
        }
        .breadcrumb { color: var(--color-text-secondary); font-size: 0.85rem; margin-bottom: 20px; }
        .breadcrumb a { color: var(--color-text-holo); }
        .article-card {
            display: flex; gap: 20px; padding: 20px;
            background: linear-gradient(145deg, #0A1120, #050C16);
            border: 1px solid rgba(255,255,255,0.05); border-radius: var(--radius-md);
            transition: var(--transition-base); align-items: center;
        }
        .article-card:hover { border-color: var(--color-border-subtle); box-shadow: var(--shadow-glow); }
        .article-card .article-thumb { width: 120px; height: 90px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
        .article-card .article-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .article-card .article-info h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
        .article-card .article-info .meta { font-size: 0.8rem; color: var(--color-text-secondary); }

        @media (max-width: 1024px) {
            .metric-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .mobile-menu-active .nav-links {
                display: flex; flex-direction: column; position: absolute;
                top: 70px; left: 0; width: 100%; background: var(--color-bg-primary);
                border-bottom: 1px solid var(--color-border-subtle); padding: 20px; z-index: 99;
            }
            .metric-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .section-header h2 { font-size: 1.5rem; }
            .header-inner { height: 60px; }
            .logo { font-size: 1.1rem; }
            .comparison-table { font-size: 0.8rem; }
            .comparison-table th, .comparison-table td { padding: 10px 8px; }
            .article-card { flex-direction: column; }
            .article-card .article-thumb { width: 100%; height: 160px; }
            .process-step { flex-direction: column; gap: 12px; }
        }
        @media (max-width: 520px) {
            .metric-grid { grid-template-columns: 1fr; }
            .page-hero { padding: 50px 0 40px; }
            .btn { padding: 10px 20px; font-size: 0.85rem; }
        }

/* roulang page: category3 */
:root {
            --color-bg-primary: #030712;
            --color-bg-deep: #081229;
            --color-accent-electric: #2563EB;
            --color-accent-cyan: #38BDF8;
            --color-text-primary: #F8FAFC;
            --color-text-secondary: #94A3B8;
            --color-text-holo: #60A5FA;
            --color-border-subtle: rgba(37, 99, 235, 0.25);
            --color-glass: rgba(8, 18, 41, 0.65);
            --color-glow-blue: rgba(37, 99, 235, 0.4);
            --color-glow-cyan: rgba(56, 189, 248, 0.3);
            --color-danger: #DC2626;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px var(--color-glow-blue);
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        *, *::before, *::after { box-sizing: border-box; }
        .container-custom {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a { color: var(--color-text-holo); text-decoration: none; transition: var(--transition-base); }
        a:hover { color: var(--color-accent-cyan); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4, h5 { font-family: var(--font-heading); }
        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 12px 28px; font-weight: 600; font-size: 0.95rem;
            border-radius: var(--radius-sm); transition: var(--transition-base);
            cursor: pointer; text-decoration: none; border: none; gap: 8px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            color: #fff; box-shadow: 0 4px 15px var(--color-glow-blue);
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px var(--color-glow-blue); color: #fff; }
        .btn-outline {
            background: transparent; border: 1px solid var(--color-accent-cyan);
            color: var(--color-accent-cyan);
        }
        .btn-outline:hover { background: rgba(37, 99, 235, 0.1); color: var(--color-accent-cyan); }
        .btn-ghost { background: transparent; color: var(--color-text-secondary); border: 1px solid transparent; }
        .btn-ghost:hover { border-color: var(--color-border-subtle); color: var(--color-text-primary); }
        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(3, 7, 18, 0.8); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
            padding: 0;
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.4rem;
            color: var(--color-text-primary); letter-spacing: -0.01em;
            display: flex; align-items: center; gap: 8px;
        }
        .logo i { color: var(--color-accent-cyan); font-size: 1.8rem; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 8px 16px; border-radius: var(--radius-sm); color: var(--color-text-secondary);
            font-weight: 500; font-size: 0.95rem; transition: var(--transition-base);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-accent-cyan); background: rgba(37, 99, 235, 0.1); }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .mobile-toggle { display: none; background: none; border: none; color: var(--color-text-primary); font-size: 1.5rem; cursor: pointer; }
        .site-footer {
            background: var(--color-bg-deep); border-top: 1px solid var(--color-border-subtle);
            padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
        .footer-col h4 { font-size: 1.1rem; margin-bottom: 1.2rem; color: var(--color-text-primary); }
        .footer-col a { display: block; color: var(--color-text-secondary); margin-bottom: 0.6rem; font-size: 0.9rem; }
        .footer-col a:hover { color: var(--color-accent-cyan); }
        .footer-bottom { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--color-text-secondary); font-size: 0.85rem; }
        .glass-card {
            background: var(--color-glass); backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-lg);
            padding: 28px; transition: var(--transition-base);
        }
        .glass-card:hover { border-color: var(--color-accent-cyan); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
        .section-padding { padding: 70px 0; }
        .section-header { margin-bottom: 40px; }
        .section-header h2 { font-size: 2.2rem; font-weight: 700; margin-bottom: 12px; }
        .section-header p { color: var(--color-text-secondary); font-size: 1.1rem; max-width: 700px; }
        .promo-hero {
            background: linear-gradient(135deg, var(--color-bg-deep), #0F172A);
            padding: 60px 0; position: relative; overflow: hidden;
        }
        .promo-hero::before {
            content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.15), transparent 60%);
        }
        .countdown-bar {
            background: linear-gradient(90deg, var(--color-accent-electric), #1D4ED8);
            border-radius: var(--radius-md); padding: 20px 28px;
            display: flex; align-items: center; justify-content: space-between;
            margin-bottom: 30px; flex-wrap: wrap; gap: 15px;
        }
        .countdown-timer { display: flex; gap: 10px; align-items: center; }
        .time-segment {
            background: rgba(0,0,0,0.3); border-radius: var(--radius-sm);
            padding: 10px 16px; text-align: center; min-width: 55px;
        }
        .time-segment span { font-size: 1.6rem; font-weight: 800; display: block; line-height: 1; }
        .time-segment label { font-size: 0.7rem; text-transform: uppercase; color: rgba(255,255,255,0.7); }
        .promo-badge {
            display: inline-flex; align-items: center; gap: 6px;
            background: rgba(220, 38, 38, 0.2); border: 1px solid rgba(220, 38, 38, 0.4);
            color: #FCA5A5; padding: 6px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600;
        }
        .promo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .promo-card {
            background: var(--color-glass); backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-lg);
            padding: 28px; transition: var(--transition-base); position: relative; overflow: hidden;
        }
        .promo-card::before {
            content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
            background: linear-gradient(90deg, var(--color-accent-electric), var(--color-accent-cyan));
        }
        .promo-card:hover { border-color: var(--color-accent-cyan); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(37, 99, 235, 0.25); }
        .promo-card .icon-wrap {
            width: 56px; height: 56px; border-radius: var(--radius-md);
            background: rgba(37, 99, 235, 0.15); display: flex; align-items: center; justify-content: center;
            margin-bottom: 18px;
        }
        .promo-card .icon-wrap i { font-size: 1.6rem; color: var(--color-accent-cyan); }
        .promo-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
        .promo-card p { color: var(--color-text-secondary); font-size: 0.95rem; margin-bottom: 16px; }
        .promo-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
        .expiry-tag { font-size: 0.8rem; color: var(--color-warning); font-weight: 500; }
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .step-card {
            background: var(--color-glass); border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg); padding: 28px; text-align: center; transition: var(--transition-base);
        }
        .step-card:hover { border-color: var(--color-accent-cyan); box-shadow: var(--shadow-glow); }
        .step-number {
            width: 50px; height: 50px; border-radius: 50%; background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
            font-size: 1.4rem; font-weight: 800; color: #fff;
        }
        .step-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
        .step-card p { color: var(--color-text-secondary); font-size: 0.9rem; }
        .info-list { list-style: none; padding: 0; }
        .info-list li {
            padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
            display: flex; align-items: flex-start; gap: 12px; color: var(--color-text-secondary);
        }
        .info-list li i { color: var(--color-success); margin-top: 3px; flex-shrink: 0; }
        .faq-item {
            background: var(--color-glass); border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-md); padding: 20px 24px; margin-bottom: 12px;
            transition: var(--transition-base);
        }
        .faq-item:hover { border-color: var(--color-accent-cyan); }
        .faq-item h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
        .faq-item p { color: var(--color-text-secondary); margin: 0; margin-top: 10px; font-size: 0.95rem; }
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            display: flex; gap: 20px; align-items: center; padding: 20px;
            background: var(--color-glass); border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-md); transition: var(--transition-base);
        }
        .news-item:hover { border-color: var(--color-accent-cyan); box-shadow: var(--shadow-glow); }
        .news-thumb {
            width: 100px; height: 80px; border-radius: var(--radius-sm);
            object-fit: cover; flex-shrink: 0;
        }
        .news-content h5 { font-size: 1rem; margin-bottom: 4px; }
        .news-content .meta { font-size: 0.8rem; color: var(--color-text-secondary); }
        .fab-left {
            position: fixed; left: 20px; bottom: 100px; z-index: 50;
            width: 56px; height: 56px; border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            display: flex; align-items: center; justify-content: center;
            box-shadow: 0 0 20px var(--color-glow-blue); cursor: pointer;
            transition: var(--transition-base); border: 2px solid rgba(56, 189, 248, 0.5);
        }
        .fab-left:hover { transform: scale(1.1); box-shadow: 0 0 30px rgba(56, 189, 248, 0.6); }
        .fab-left i { font-size: 1.5rem; color: #fff; }
        .fab-badge {
            position: absolute; top: -4px; right: -4px; width: 16px; height: 16px;
            background: var(--color-danger); border-radius: 50%; border: 2px solid #fff;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.3); } }
        @media (max-width: 1024px) {
            .promo-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .mobile-menu-active .nav-links {
                display: flex; flex-direction: column; position: absolute;
                top: 70px; left: 0; width: 100%; background: var(--color-bg-primary);
                border-bottom: 1px solid var(--color-border-subtle); padding: 20px;
            }
            .header-inner { height: 60px; }
            .logo { font-size: 1.1rem; }
            .promo-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .countdown-bar { flex-direction: column; align-items: flex-start; }
            .news-item { flex-direction: column; }
            .news-thumb { width: 100%; height: 160px; }
            .section-padding { padding: 40px 0; }
        }
        @media (max-width: 520px) {
            .container-custom { padding: 0 12px; }
            .section-header h2 { font-size: 1.5rem; }
        }

/* roulang page: category4 */
:root {
            --color-bg-primary: #030712;
            --color-bg-deep: #081229;
            --color-accent-electric: #2563EB;
            --color-accent-cyan: #38BDF8;
            --color-text-primary: #F8FAFC;
            --color-text-secondary: #94A3B8;
            --color-text-holo: #60A5FA;
            --color-border-subtle: rgba(37, 99, 235, 0.25);
            --color-glass: rgba(8, 18, 41, 0.65);
            --color-glow-blue: rgba(37, 99, 235, 0.4);
            --color-glow-cyan: rgba(56, 189, 248, 0.3);
            --color-danger: #DC2626;
            --color-success: #10B981;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px var(--color-glow-blue);
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        .container-custom {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 20px;
        }

        a { color: var(--color-text-holo); text-decoration: none; transition: var(--transition-base); }
        a:hover { color: var(--color-accent-cyan); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; }

        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 12px 28px; font-weight: 600; font-size: 0.95rem;
            border-radius: var(--radius-sm); transition: var(--transition-base);
            cursor: pointer; text-decoration: none; border: none; gap: 8px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            color: #fff; box-shadow: 0 4px 15px var(--color-glow-blue);
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px var(--color-glow-blue); color: #fff; }
        .btn-outline {
            background: transparent; border: 1px solid var(--color-accent-cyan);
            color: var(--color-accent-cyan);
        }
        .btn-outline:hover { background: rgba(37, 99, 235, 0.1); color: var(--color-accent-cyan); }
        .btn-ghost { background: transparent; color: var(--color-text-secondary); border: 1px solid transparent; }
        .btn-ghost:hover { border-color: var(--color-border-subtle); color: var(--color-text-primary); }

        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: rgba(3, 7, 18, 0.8); backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(37, 99, 235, 0.15);
            padding: 0;
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 70px;
        }
        .logo {
            font-family: var(--font-heading); font-weight: 800; font-size: 1.4rem;
            color: var(--color-text-primary); letter-spacing: -0.01em;
            display: flex; align-items: center; gap: 8px;
        }
        .logo i { color: var(--color-accent-cyan); font-size: 1.8rem; }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            padding: 8px 16px; border-radius: var(--radius-sm); color: var(--color-text-secondary);
            font-weight: 500; font-size: 0.95rem; transition: var(--transition-base);
        }
        .nav-links a:hover, .nav-links a.active { color: var(--color-accent-cyan); background: rgba(37, 99, 235, 0.1); }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .mobile-toggle { display: none; background: none; border: none; color: var(--color-text-primary); font-size: 1.5rem; cursor: pointer; }

        .glass-card {
            background: var(--color-glass); backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle); border-radius: var(--radius-lg);
            padding: 28px; transition: var(--transition-base);
        }
        .glass-card:hover { border-color: var(--color-accent-cyan); box-shadow: var(--shadow-glow); transform: translateY(-3px); }

        .site-footer {
            background: var(--color-bg-deep); border-top: 1px solid var(--color-border-subtle);
            padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
        .footer-col h4 { font-size: 1.1rem; margin-bottom: 1.2rem; color: var(--color-text-primary); }
        .footer-col a { display: block; color: var(--color-text-secondary); margin-bottom: 0.6rem; font-size: 0.9rem; }
        .footer-col a:hover { color: var(--color-accent-cyan); }
        .footer-bottom { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--color-text-secondary); font-size: 0.85rem; }

        .section-padding { padding: 80px 0; }
        .section-header { margin-bottom: 50px; }
        .section-header h2 { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 700; color: var(--color-text-primary); margin-bottom: 12px; }
        .section-header p { font-size: 1.1rem; color: var(--color-text-secondary); max-width: 700px; }

        .review-card {
            background: linear-gradient(145deg, #0A1120, #050C16);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg); padding: 24px;
            transition: var(--transition-base); margin-bottom: 24px;
        }
        .review-card:hover { border-color: var(--color-accent-cyan); box-shadow: var(--shadow-glow); }
        .review-stars { color: #FBBF24; font-size: 1.05rem; margin-bottom: 10px; }
        .review-meta { display: flex; align-items: center; gap: 12px; color: var(--color-text-secondary); font-size: 0.85rem; margin-bottom: 10px; }

        .trust-badge-row {
            display: flex; flex-wrap: wrap; gap: 20px; align-items: center;
            padding: 20px; background: rgba(37, 99, 235, 0.05);
            border-radius: var(--radius-md); border: 1px solid var(--color-border-subtle);
            margin-top: 20px;
        }
        .trust-badge-row i { color: var(--color-success); font-size: 1.3rem; }

        .stats-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
            margin: 40px 0;
        }
        .stat-item {
            text-align: left; padding: 30px; background: var(--color-glass);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg); backdrop-filter: blur(10px);
        }
        .stat-number {
            font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800;
            background: linear-gradient(135deg, var(--color-accent-electric), var(--color-accent-cyan));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
        }

        .article-list-item {
            display: flex; gap: 20px; padding: 20px 0;
            border-bottom: 1px solid var(--color-border-subtle);
            align-items: flex-start;
        }
        .article-list-item img { width: 120px; height: 80px; object-fit: cover; border-radius: var(--radius-sm); flex-shrink: 0; }
        .article-list-content h5 { font-size: 1.05rem; margin-bottom: 6px; font-weight: 600; }
        .article-list-content p { font-size: 0.9rem; color: var(--color-text-secondary); margin: 0; }

        @media (max-width: 1024px) {
            .nav-links { display: none; }
            .mobile-toggle { display: block; }
            .mobile-menu-active .nav-links {
                display: flex; flex-direction: column; position: absolute;
                top: 70px; left: 0; width: 100%; background: var(--color-bg-primary);
                border-bottom: 1px solid var(--color-border-subtle); padding: 20px; z-index: 99;
            }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .header-inner { height: 60px; }
            .logo { font-size: 1.1rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .section-header h2 { font-size: 1.8rem; }
            .article-list-item { flex-direction: column; }
            .article-list-item img { width: 100%; height: auto; }
        }

        .hero-category {
            padding: 100px 0 60px;
            background: radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.12) 0%, transparent 60%);
        }