:root {
            --primary: #1A2C4E;
            --primary-hover: #253D6B;
            --secondary: #C0C0C8;
            --secondary-hover: #D8D8E0;
            --accent: #00F5FF;
            --bg-main: #060B16;
            --bg-surface: #0D1526;
            --bg-elevated: #16213A;
            --text-primary: #E6EEFF;
            --text-secondary: #AAB8D1;
            --text-muted: #7686A5;
            --border-default: #1E2B45;
            --border-brand: rgba(0, 245, 255, 0.4);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --grad-brand: linear-gradient(135deg, #1A2C4E 0%, #060B16 100%);
            --grad-btn: linear-gradient(180deg, #00F5FF 0%, #00D1DB 100%);
        }

        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-size: clamp(15px, 3.9vw, 16px);
            line-height: 1.65;
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }
        h1, h2, h3 { font-family: 'Outfit', 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: 2rem; margin-bottom: 1.2rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; }

        a { text-decoration: none; color: var(--accent); transition: color 0.2s; }
        a:hover { color: #70F9FF; }

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

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-default);
        }
        .header-logo { display: flex; align-items: center; gap: 8px; }
        .header-logo strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        .header-nav { display: flex; gap: 10px; }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, opacity 0.2s;
            border: none;
        }
        .btn-primary { background: var(--grad-btn); color: var(--bg-main); }
        .btn-outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
        .btn:hover { opacity: 0.9; transform: translateY(-1px); }

        main { padding-top: 20px; }

        .hero-section { text-align: center; padding: 2rem 0; }
        .hero-intro { max-width: 800px; margin: 0 auto 2rem; color: var(--text-secondary); }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 1.5rem; }
        .hero-tag { background: var(--bg-elevated); padding: 4px 12px; border-radius: var(--radius-pill); font-size: 0.8rem; border: 1px solid var(--border-brand); color: var(--text-secondary); }

        .banner-link { display: block; margin: 2rem 0; border-radius: var(--radius-md); overflow: hidden; }
        .banner-img { width: 100%; aspect-ratio: 2/1; object-fit: cover; }

        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 2rem; }
        .category-tile { 
            background: var(--bg-surface); 
            padding: 1.5rem; 
            border-radius: var(--radius-md); 
            text-align: center; 
            border: 1px solid var(--border-default);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .category-tile i { font-size: 2rem; color: var(--accent); }
        .category-tile strong { display: block; margin-bottom: 4px; }
        .category-tile span { font-size: 0.85rem; color: var(--text-muted); }

        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 2rem; }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: var(--radius-md); 
            overflow: hidden; 
            border: 1px solid var(--border-default); 
            transition: border-color 0.3s;
        }
        .game-card:hover { border-color: var(--accent); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 10px; margin: 0; font-size: 1rem; text-align: center; color: var(--text-primary); }

        .fact-section { background: var(--bg-surface); padding: 1.5rem; border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .fact-notice { font-style: italic; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; }
        .fact-table { width: 100%; border-collapse: collapse; }
        .fact-table tr { border-bottom: 1px solid var(--border-default); }
        .fact-table td { padding: 12px 8px; font-size: 0.9rem; }
        .fact-label { color: var(--text-secondary); font-weight: 500; width: 40%; }
        .fact-value { color: var(--text-primary); }
        .fact-terms { display: block; margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); text-align: center; }

        .toc-nav { 
            display: flex; 
            overflow-x: auto; 
            gap: 10px; 
            padding: 10px 0; 
            margin-bottom: 2rem; 
            scrollbar-width: none; 
            -ms-overflow-style: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { 
            background: var(--bg-elevated); 
            padding: 8px 16px; 
            border-radius: var(--radius-pill); 
            white-space: nowrap; 
            font-size: 0.9rem; 
            border: 1px solid var(--border-default);
        }

        .promo-card { 
            background: var(--bg-surface); 
            padding: 1.5rem; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--border-default); 
            margin-bottom: 1rem; 
            display: flex; 
            flex-direction: column; 
            gap: 1rem;
        }
        .promo-card h3 { margin-bottom: 0.5rem; }

        .usp-bar { display: flex; flex-direction: column; gap: 12px; margin-bottom: 2rem; }
        .usp-tile { 
            background: var(--bg-surface); 
            padding: 1.2rem; 
            border-radius: var(--radius-md); 
            display: flex; 
            gap: 12px; 
            border: 1px solid var(--border-default); 
        }
        .usp-tile i { color: var(--accent); font-size: 1.5rem; margin-top: 4px; }
        .usp-content strong { display: block; margin-bottom: 4px; }
        .usp-content p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }

        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .payment-card { 
            background: var(--bg-surface); 
            padding: 1rem; 
            border-radius: var(--radius-md); 
            text-align: center; 
            border: 1px solid var(--border-default); 
        }
        .payment-card i { font-size: 1.8rem; color: var(--accent); margin-bottom: 8px; }
        .payment-card strong { display: block; margin-bottom: 8px; font-size: 0.95rem; }
        .payment-card p { margin: 0; font-size: 0.8rem; color: var(--text-muted); }

        .step-list { display: flex; flex-direction: column; gap: 20px; }
        .step-item { display: flex; gap: 15px; }
        .step-badge { 
            background: var(--accent); 
            color: var(--bg-main); 
            width: 32px; 
            height: 32px; 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: bold; 
            flex-shrink: 0; 
        }
        .step-content h3 { margin-bottom: 8px; }
        .step-link { color: inherit; text-decoration: none; }

        .download-section { 
            background: var(--bg-surface); 
            padding: 2rem; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 1px solid var(--border-brand); 
        }

        .guide-item { 
            background: var(--bg-surface); 
            padding: 1.5rem; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--border-default); 
            margin-bottom: 1rem; 
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; display: block; }

        .announcement-item { 
            background: var(--bg-surface); 
            padding: 1rem; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--border-default); 
            margin-bottom: 12px; 
            display: flex; 
            gap: 12px; 
        }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-top: 8px; }

        .faq-item { background: var(--bg-surface); border-radius: var(--radius-md); border: 1px solid var(--border-default); margin-bottom: 12px; }
        .faq-item summary { padding: 15px; cursor: pointer; list-style: none; }
        .faq-item p { padding: 0 15px 15px; color: var(--text-secondary); font-size: 0.95rem; }

        .about-section { padding: 1.5rem; background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .team-card { 
            margin-top: 2rem; 
            padding: 1.5rem; 
            background: var(--bg-elevated); 
            border-radius: var(--radius-md); 
            border-left: 4px solid var(--accent); 
        }

        .security-section { padding: 1.5rem; background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .external-links { display: flex; gap: 15px; margin: 1.5rem 0; }
        .external-link { font-size: 0.9rem; border-bottom: 1px solid var(--accent); }

        footer { 
            margin-top: 3rem; 
            padding: 2rem 0; 
            border-top: 1px solid var(--border-default); 
            text-align: center; 
        }
        .footer-sitemap { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 2rem; 
            font-size: 0.9rem; 
        }
        .footer-contact { margin-bottom: 1.5rem; font-size: 0.9rem; }
        .footer-legal { font-size: 0.8rem; color: var(--text-muted); }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding: 10px 0 calc(10px + env(safe-area-inset-bottom)); 
            border-top: 1px solid var(--border-default); 
            z-index: 100; 
        }
        .nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 0.75rem; color: var(--text-secondary); }
        .nav-item i { font-size: 1.2rem; }

        .utility-link { display: block; text-align: center; margin-top: 1rem; font-size: 0.9rem; color: var(--accent); }

        section { content-visibility: auto; contain-intrinsic-size: 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(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .step-list { flex-direction: row; }
            .step-item { width: 25%; flex-direction: column; text-align: center; align-items: center; }
            .step-badge { margin: 0 auto 12px; }
            .navigator { display: none; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .category-grid { grid-template-columns: repeat(4, 1fr); }
        }