:root {
            --brand-primary: #005B96;
            --brand-primary-hover: #007BCC;
            --brand-secondary: #C0C0C0;
            --brand-accent: #00F5FF;
            --bg-main: #050A14;
            --bg-surface: #0D1526;
            --bg-elevated: #16213B;
            --text-primary: #E6F1FF;
            --text-secondary: #B0C4DE;
            --text-muted: #708090;
            --btn-bg: #00F5FF;
            --btn-text: #050A14;
            --btn-hover-bg: #80FFFF;
            --border-default: #1C2B4D;
            --border-brand: #00F5FF;
            --glass-bg: rgba(13, 21, 38, 0.7);
            --radius-sm: 4px;
            --radius-md: 12px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
        }
        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Manrope', sans-serif;
            font-size: clamp(15px, 3.9vw, 16px);
            line-height: 1.65;
            background-color: var(--bg-main);
            color: var(--text-primary);
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }
        h1, h2, h3 { font-family: 'Be Vietnam Pro', sans-serif; color: var(--text-primary); margin-top: 0; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-bottom: 1.5rem; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2.5rem; margin-bottom: 1.25rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 0.75rem; }
        a { text-decoration: none; color: var(--brand-accent); transition: color 0.3s ease; }
        a:hover { color: var(--btn-hover-bg); }
        img { max-width: 100%; height: auto; display: block; }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            text-align: center;
        }
        .btn-primary { background: var(--btn-bg); color: var(--btn-text); }
        .btn-primary:hover { background: var(--btn-hover-bg); transform: translateY(-2px); }
        .btn-outline { background: transparent; border: 1px solid var(--border-brand); color: var(--brand-accent); }
        .btn-outline:hover { background: rgba(0, 245, 255, 0.1); }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            margin-bottom: 20px;
        }
        .header-logo { display: flex; align-items: center; gap: 10px; }
        .header-logo strong { font-size: 16px; font-weight: 400; }
        .header-actions { display: flex; gap: 10px; }
        main { width: 100%; }
        .hero-section { text-align: center; padding: 40px 0; }
        .hero-intro { max-width: 800px; margin: 0 auto 30px; }
        .hero-cta-wrapper { margin-bottom: 25px; }
        .hero-cta { display: block; width: 100%; max-width: 400px; margin: 0 auto; font-size: 1.2rem; }
        .feature-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
        .tag-pill { background: var(--bg-elevated); color: var(--text-secondary); padding: 6px 14px; border-radius: var(--radius-pill); font-size: 0.85rem; border: 1px solid var(--border-default); }
        .banner-link { display: block; width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: var(--radius-md); }
        .banner-img { width: 100%; height: 100%; object-fit: cover; }
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin: 30px 0; }
        .category-tile { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            text-align: center; 
            padding: 20px; 
            background: var(--bg-surface); 
            border: 1px solid var(--border-default); 
            border-radius: var(--radius-md); 
            color: var(--text-primary);
        }
        .category-tile i { font-size: 2rem; margin-bottom: 10px; color: var(--brand-accent); }
        .category-tile strong { display: block; margin-bottom: 8px; font-size: 1.1rem; }
        .category-tile span { font-size: 0.85rem; color: var(--text-secondary); }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 30px; }
        .game-card { 
            display: block; 
            background: var(--bg-surface); 
            border-radius: var(--radius-md); 
            overflow: hidden; 
            border: 1px solid var(--border-default); 
            transition: transform 0.3s ease;
        }
        .game-card:hover { transform: scale(1.03); border-color: var(--brand-accent); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; margin: 0; font-size: 1rem; text-align: center; color: var(--text-primary); }
        .facts-container { margin: 30px 0; }
        .freshness-notice { font-style: italic; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 15px; }
        .facts-table { width: 100%; border-collapse: collapse; background: var(--bg-surface); border-radius: var(--radius-md); overflow: hidden; }
        .facts-table td { padding: 12px 15px; border-bottom: 1px solid var(--border-default); }
        .facts-table td:first-child { font-weight: 600; color: var(--text-secondary); width: 40%; }
        .facts-link { display: block; margin-top: 15px; text-align: center; font-size: 0.9rem; color: var(--text-muted); }
        .toc-nav { 
            display: flex; 
            overflow-x: auto; 
            gap: 10px; 
            padding: 15px 0; 
            margin-bottom: 30px; 
            scrollbar-width: none; 
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { 
            white-space: nowrap; 
            padding: 8px 16px; 
            background: var(--bg-elevated); 
            border-radius: var(--radius-pill); 
            font-size: 0.9rem; 
            border: 1px solid var(--border-default); 
        }
        .promo-stack { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
        .promo-card { display: flex; flex-direction: column; gap: 15px; }
        .usp-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 40px; }
        .usp-tile { display: flex; align-items: flex-start; gap: 15px; padding: 20px; background: var(--bg-surface); border-radius: var(--radius-md); }
        .usp-tile i { font-size: 1.5rem; color: var(--brand-accent); margin-top: 4px; }
        .usp-tile strong { display: block; font-size: 1.1rem; margin-bottom: 5px; }
        .usp-tile p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }
        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 30px; }
        .pay-card { text-align: center; padding: 20px; background: var(--bg-surface); border-radius: var(--radius-md); border: 1px solid var(--border-default); }
        .pay-card i { font-size: 2rem; color: var(--brand-accent); margin-bottom: 10px; }
        .pay-card strong { display: block; margin-bottom: 8px; }
        .pay-card p { margin: 0; font-size: 0.85rem; color: var(--text-secondary); }
        .guide-steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 30px; }
        .step-item { display: flex; gap: 20px; align-items: flex-start; }
        .step-num { 
            min-width: 40px; 
            height: 40px; 
            background: var(--brand-accent); 
            color: var(--bg-main); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 700; 
            flex-shrink: 0; 
        }
        .step-content h3 { margin: 0 0 8px 0; }
        .step-content a { color: inherit; text-decoration: none; }
        .download-section { text-align: center; padding: 30px 20px; background: var(--bg-surface); border-radius: var(--radius-lg); margin-bottom: 40px; }
        .player-guides { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
        .guide-card { padding: 20px; background: var(--bg-surface); border-radius: var(--radius-md); border-left: 4px solid var(--brand-accent); }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; display: block; }
        .announcements { display: flex; flex-direction: column; gap: 15px; margin-bottom: 40px; }
        .ann-item { display: flex; gap: 15px; padding: 15px; background: var(--bg-surface); border-radius: var(--radius-md); }
        .ann-item i { font-size: 1.2rem; color: var(--brand-accent); margin-top: 4px; }
        .ann-content h3 { font-size: 1.1rem; margin: 0 0 5px 0; }
        .ann-content p { margin: 0 0 8px 0; font-size: 0.9rem; color: var(--text-secondary); }
        .ann-date { font-size: 0.8rem; color: var(--text-muted); }
        .faq-section { margin-bottom: 40px; }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid var(--border-default); }
        .faq-item summary { cursor: pointer; list-style: none; padding: 15px 0; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary h3 { margin: 0; font-size: 1.1rem; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary h3::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.9rem; }
        .faq-answer { padding: 0 0 20px 0; color: var(--text-secondary); font-size: 0.95rem; }
        .about-section { padding: 30px 0; margin-bottom: 40px; }
        .team-card { margin-top: 25px; padding: 20px; background: var(--bg-elevated); border-radius: var(--radius-md); border: 1px solid var(--border-default); }
        .security-section { padding: 30px 20px; background: var(--bg-surface); border-radius: var(--radius-lg); margin-bottom: 40px; text-align: center; }
        .security-links { display: flex; justify-content: center; gap: 20px; margin: 20px 0; flex-wrap: wrap; }
        footer { padding: 40px 0 80px; border-top: 1px solid var(--border-default); }
        .footer-sitemap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; }
        .footer-sitemap a { color: var(--text-secondary); font-size: 0.9rem; }
        .footer-contact { text-align: center; margin-bottom: 20px; }
        .footer-legal { text-align: center; font-size: 0.85rem; color: var(--text-muted); }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-default);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .nav-item { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            gap: 4px; 
            color: var(--text-secondary); 
            font-size: 0.75rem; 
            text-decoration: none;
        }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--brand-accent); }
        .util-link { display: inline-block; margin-top: 10px; font-weight: 600; }
        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .category-grid { grid-template-columns: repeat(3, 1fr); }
            .game-grid { grid-template-columns: repeat(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; height: auto; padding: 20px 0; border: none; display: none; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .category-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(7, 1fr); }
        }