:root {
            --brand-primary: #0B2447;
            --brand-primary-hover: #153C7A;
            --brand-secondary: #C0C0C0;
            --brand-secondary-hover: #E0E0E0;
            --brand-accent: #00F5FF;
            --bg-main: #050C1A;
            --bg-surface: #0D182B;
            --bg-elevated: #16243D;
            --bg-overlay: rgba(5, 12, 26, 0.8);
            --text-primary: #E6F1FF;
            --text-secondary: #A0B0C5;
            --text-muted: #6B7D96;
            --text-brand-contrast: #050C1A;
            --text-link: #00F5FF;
            --text-link-hover: #70F7FF;
            --btn-bg: #00F5FF;
            --btn-text: #050C1A;
            --btn-bg-hover: #70F7FF;
            --btn-text-hover: #050C1A;
            --semantic-success: #2ECC71;
            --semantic-error: #FF4C4C;
            --semantic-warning: #F1C40F;
            --semantic-info: #3498DB;
            --border-default: #1D2D4D;
            --border-strong: #2A3F6B;
            --border-brand: #00F5FF;
            --radius-sm: 2px;
            --radius-md: 4px;
            --radius-lg: 8px;
            --radius-pill: 9999px;
            --shadow-card: 4px 4px 0px #000000;
            --shadow-elevated: 8px 8px 0px #000000;
            --shadow-glow: 0 0 15px rgba(0, 245, 255, 0.5);
            --grad-brand: linear-gradient(135deg, #0B2447 0%, #050C1A 100%);
            --grad-hero: linear-gradient(180deg, #0D182B 0%, #050C1A 100%);
            --grad-btn: linear-gradient(to bottom, #00F5FF 0%, #00D1DB 100%);
        }
        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Be Vietnam Pro', sans-serif;
            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;
            background-color: var(--bg-main);
            color: var(--text-primary);
        }
        h1, h2, h3 { font-family: 'Oswald', sans-serif; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 0; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); text-transform: uppercase; font-style: italic; color: var(--brand-accent); }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); margin-top: 2rem; margin-bottom: 1rem; text-transform: uppercase; font-style: italic; border-left: 4px solid var(--brand-accent); padding-left: 12px; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-bottom: 0.5rem; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--text-link); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--text-link-hover); }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: transform 0.1s ease, box-shadow 0.1s ease;
            text-align: center;
        }
        .btn-primary { background: var(--grad-btn); color: var(--btn-text); box-shadow: var(--shadow-card); }
        .btn-primary:hover { transform: translate(-2px, -2px); box-shadow: var(--shadow-elevated); color: var(--btn-text-hover); }
        .btn-outline { background: transparent; border: 2px solid var(--brand-accent); color: var(--brand-accent); }
        .btn-outline:hover { background: var(--brand-accent); color: var(--text-brand-contrast); }
        .btn-full { width: 100%; display: flex; }
        
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-default);
        }
        .header-logo-link { display: flex; align-items: center; gap: 8px; }
        .header-logo-text { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        .header-actions { display: flex; gap: 10px; }
        
        main { width: 100%; }
        .hero-section { padding: 2rem 0; text-align: center; }
        .hero-intro-text { color: var(--text-secondary); max-width: 700px; margin: 1rem auto 2rem; }
        .hero-tags { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 1.5rem; }
        .hero-tag { background: var(--bg-elevated); color: var(--brand-accent); padding: 4px 12px; border-radius: var(--radius-pill); font-size: 0.85rem; border: 1px solid var(--border-brand); }
        
        .banner-link { display: block; width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: var(--radius-lg); }
        .banner-link img { width: 100%; height: 100%; object-fit: cover; }
        
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 2rem 0; }
        .category-tile { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--border-default); 
            text-align: center; 
            transition: background 0.2s;
        }
        .category-tile:hover { background: var(--bg-elevated); border-color: var(--brand-accent); }
        .category-tile i { font-size: 2rem; color: var(--brand-accent); margin-bottom: 8px; }
        .category-tile strong { display: block; color: var(--text-primary); margin-bottom: 4px; }
        .category-tile span { font-size: 0.8rem; color: var(--text-secondary); }
        
        .games-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 1.5rem 0; }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--border-default); 
            overflow: hidden; 
            box-shadow: var(--shadow-card);
            transition: transform 0.2s;
        }
        .game-card:hover { transform: translateY(-4px); border-color: var(--brand-accent); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; font-size: 1rem; color: var(--text-primary); text-align: center; font-family: 'Be Vietnam Pro', sans-serif; }
        
        .facts-container { background: var(--bg-surface); border-radius: var(--radius-lg); padding: 20px; margin: 2rem 0; border: 1px solid var(--border-strong); }
        .facts-notice { font-style: italic; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1rem; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table td { padding: 12px; border-bottom: 1px solid var(--border-default); }
        .facts-table td:first-child { color: var(--text-secondary); font-weight: 600; width: 40%; }
        .facts-table td:last-child { color: var(--text-primary); text-align: right; }
        .facts-footer-link { display: block; text-align: center; margin-top: 12px; font-size: 0.85rem; color: var(--text-muted); }
        
        .toc-nav { 
            display: flex; 
            overflow-x: auto; 
            gap: 10px; 
            padding: 12px 0; 
            margin-bottom: 2rem; 
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { 
            white-space: nowrap; 
            background: var(--bg-elevated); 
            padding: 8px 16px; 
            border-radius: var(--radius-pill); 
            font-size: 0.9rem; 
            border: 1px solid var(--border-default);
            color: var(--text-secondary);
        }
        .toc-link:hover { color: var(--brand-accent); border-color: var(--brand-accent); }
        
        .promo-list { display: flex; flex-direction: column; gap: 16px; margin: 1.5rem 0; }
        .promo-card { 
            background: var(--bg-surface); 
            padding: 24px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--border-strong);
            box-shadow: var(--shadow-card);
        }
        .promo-card h3 { color: var(--brand-accent); margin-bottom: 12px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.95rem; }
        
        .usp-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 2rem 0; }
        .usp-tile { 
            display: flex; 
            gap: 16px; 
            padding: 16px; 
            background: var(--bg-elevated); 
            border-radius: var(--radius-lg); 
            align-items: center; 
            border-left: 4px solid var(--brand-accent);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--brand-accent); width: 30px; text-align: center; }
        .usp-content strong { display: block; color: var(--text-primary); margin-bottom: 4px; }
        .usp-content span { font-size: 0.9rem; color: var(--text-secondary); }
        
        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 1.5rem 0; }
        .payment-card { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--border-default); 
            text-align: center;
        }
        .payment-card i { font-size: 1.8rem; color: var(--brand-accent); margin-bottom: 10px; }
        .payment-card strong { display: block; color: var(--text-primary); margin-bottom: 6px; }
        .payment-card p { font-size: 0.8rem; color: var(--text-secondary); margin: 0; }
        
        .guide-steps { display: flex; flex-direction: column; gap: 20px; margin: 1.5rem 0; }
        .guide-step { display: flex; gap: 16px; align-items: flex-start; }
        .step-num { 
            min-width: 32px; 
            height: 32px; 
            background: var(--brand-accent); 
            color: var(--text-brand-contrast); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 700; 
            flex-shrink: 0;
        }
        .guide-step h3 { margin: 0 0 8px 0; color: var(--text-primary); }
        .guide-step h3 a { color: inherit; }
        .guide-step p { margin: 0; color: var(--text-secondary); font-size: 0.9rem; }
        
        .mobile-section { background: var(--bg-surface); padding: 24px; border-radius: var(--radius-lg); text-align: center; border: 1px solid var(--border-strong); }
        .mobile-text { color: var(--text-secondary); margin-bottom: 20px; }
        
        .player-guide-list { display: flex; flex-direction: column; gap: 16px; margin: 1.5rem 0; }
        .guide-item { background: var(--bg-elevated); padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .guide-item h3 { color: var(--brand-accent); }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; display: block; }
        .guide-item p { color: var(--text-secondary); margin: 0; }
        
        .announcement-list { display: flex; flex-direction: column; gap: 16px; margin: 1.5rem 0; }
        .announcement-card { background: var(--bg-surface); padding: 16px; border-radius: var(--radius-lg); border: 1px solid var(--border-default); display: flex; gap: 12px; }
        .announcement-card i { color: var(--brand-accent); margin-top: 4px; }
        .announcement-content h3 { font-size: 1.1rem; margin-bottom: 4px; }
        .announcement-content p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 8px; }
        .announcement-date { font-size: 0.75rem; color: var(--text-muted); }
        
        .faq-list { display: flex; flex-direction: column; gap: 12px; margin: 1.5rem 0; }
        .faq-item { background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; color: var(--text-primary); font-weight: 600; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary h3 { display: inline; font-size: 1rem; font-family: 'Be Vietnam Pro', sans-serif; font-weight: 600; }
        .faq-item p { padding: 0 16px 16px; color: var(--text-secondary); font-size: 0.9rem; margin: 0; }
        .faq-more { text-align: center; margin-top: 20px; }
        .faq-more a { font-weight: 600; text-decoration: underline; }

        .about-section { background: var(--bg-surface); padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border-strong); margin-bottom: 2rem; }
        .team-card { background: var(--bg-elevated); padding: 20px; border-radius: var(--radius-lg); margin-top: 20px; border-top: 3px solid var(--brand-accent); }
        .team-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
        .team-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 8px; }

        .security-section { background: var(--bg-surface); padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .security-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 20px; }
        .security-item { display: flex; gap: 12px; align-items: center; color: var(--text-secondary); font-size: 0.9rem; }
        .security-item i { color: var(--brand-accent); }
        .rg-links { display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0; }
        .rg-link { font-size: 0.85rem; background: var(--bg-elevated); padding: 6px 12px; border-radius: var(--radius-pill); border: 1px solid var(--border-default); }

        footer { background: var(--bg-surface); padding: 32px 0; margin-top: 3rem; border-top: 4px solid var(--brand-accent); }
        .footer-sitemap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 24px; }
        .footer-sitemap a { font-size: 0.85rem; color: var(--text-secondary); }
        .footer-contact { text-align: center; padding: 16px 0; border-top: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); margin-bottom: 16px; }
        .footer-legal { text-align: center; 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, 0px)); 
            border-top: 2px solid var(--border-strong);
            z-index: 100;
        }
        .nav-item { text-align: center; color: var(--text-secondary); text-decoration: none; font-size: 0.75rem; display: flex; flex-direction: column; align-items: center; gap: 4px; }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--brand-accent); }

        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); }
            .games-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .usp-grid { grid-template-columns: repeat(2, 1fr); }
            .navigator { display: none; }
            .header-actions { gap: 16px; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .category-grid { grid-template-columns: repeat(4, 1fr); }
            .games-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
        }