:root {
            --brand-primary: #D4AF37;
            --brand-primary-hover: #F9D976;
            --brand-secondary: #C5A028;
            --brand-secondary-hover: #E2C25B;
            --brand-accent: #FFD700;
            --bg-main: #0A0A0B;
            --bg-surface: #161618;
            --bg-elevated: #222226;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B5;
            --text-muted: #6B6B71;
            --text-brand-contrast: #000000;
            --text-link: #D4AF37;
            --text-link-hover: #F9D976;
            --btn-bg: #D4AF37;
            --btn-text: #000000;
            --btn-hover-bg: #F9D976;
            --btn-hover-text: #000000;
            --semantic-success: #2ECC71;
            --semantic-error: #E74C3C;
            --semantic-warning: #F1C40F;
            --semantic-info: #3498DB;
            --border-default: #2C2C30;
            --border-strong: #404045;
            --border-brand: #D4AF37;
            --font-headings: 'Montserrat', sans-serif;
            --font-body: 'Inter', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
        }

        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-body);
            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);
        }
        img, video, iframe { max-width: 100%; height: auto; display: block; }
        a { color: var(--text-link); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--text-link-hover); }
        button, .btn, .cta { 
            min-height: 44px; 
            min-inline-size: 44px; 
            padding: 12px 18px; 
            cursor: pointer; 
            border: none; 
            border-radius: 8px; 
            font-weight: 600; 
            transition: transform 0.1s, background-color 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
        }
        button:active, .btn:active { transform: scale(0.98); }
        
        h1, h2, h3 { font-family: var(--font-headings); letter-spacing: -0.02em; color: var(--text-primary); margin-bottom: 1rem; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-top: 0; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2.5rem; border-left: 4px solid var(--brand-primary); padding-left: 12px; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-default);
        }
        .header-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: inherit; }
        .header-brand strong { font-size: 16px; font-weight: 400; }
        .header-actions { display: flex; gap: 8px; }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-strong); }
        .btn-register { background: var(--btn-bg); color: var(--btn-text); }
        .btn-register:hover { background: var(--btn-hover-bg); }

        main { width: 100%; }

        .hero-banner { display: block; width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: 12px; }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        .hero-content { padding: 20px 0; }
        .hero-intro { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 24px; }
        .cta-full { width: 100%; background: var(--btn-bg); color: var(--btn-text); font-size: 1.2rem; text-transform: uppercase; }

        .section-container { content-visibility: auto; contain-intrinsic-size: 1px 500px; }

        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 16px; }
        .game-card { background: var(--bg-surface); border-radius: 12px; overflow: hidden; transition: transform 0.2s; border: 1px solid var(--border-default); text-decoration: none; color: inherit; }
        .game-card:hover { transform: translateY(-4px); border-color: var(--brand-primary); }
        .game-card img { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
        .game-card h3 { font-size: 14px; padding: 10px; margin: 0; text-align: center; color: var(--text-primary); }

        .fact-table { width: 100%; border-collapse: collapse; margin: 16px 0; background: var(--bg-surface); border-radius: 12px; overflow: hidden; }
        .fact-table td { padding: 12px; border-bottom: 1px solid var(--border-default); font-size: 14px; }
        .fact-table td:first-child { font-weight: 600; color: var(--text-secondary); width: 40%; }
        .freshness-notice { font-style: italic; font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }

        .toc-nav { display: flex; overflow-x: auto; gap: 10px; padding: 10px 0; margin-bottom: 24px; scrollbar-width: none; }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { background: var(--bg-elevated); color: var(--text-primary); padding: 8px 16px; border-radius: 20px; white-space: nowrap; font-size: 14px; border: 1px solid var(--border-default); }
        .toc-link:hover { border-color: var(--brand-primary); }

        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .category-tile { background: var(--bg-surface); border: 1px solid var(--border-default); padding: 16px; border-radius: 12px; text-align: center; text-decoration: none; color: inherit; transition: background 0.2s; }
        .category-tile:hover { background: var(--bg-elevated); }
        .category-tile i { font-size: 24px; color: var(--brand-primary); margin-bottom: 8px; }
        .category-tile h3 { margin: 8px 0; font-size: 16px; }
        .category-tile p { font-size: 12px; color: var(--text-secondary); margin: 0; line-height: 1.4; }

        .announcement-list { display: flex; flex-direction: column; gap: 12px; }
        .announcement-card { background: var(--bg-surface); padding: 16px; border-radius: 12px; border-left: 4px solid var(--brand-primary); }
        .announcement-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
        .announcement-header i { color: var(--brand-primary); }
        .announcement-header h3 { margin: 0; font-size: 16px; }
        .announcement-date { font-size: 12px; color: var(--text-muted); display: block; margin-top: 8px; }
        .announcement-text { font-size: 14px; color: var(--text-secondary); margin: 0; }

        .usp-bar { display: flex; flex-direction: column; gap: 12px; }
        .usp-card { background: var(--bg-surface); padding: 16px; border-radius: 12px; display: flex; gap: 16px; align-items: start; }
        .usp-card i { font-size: 24px; color: var(--brand-primary); margin-top: 4px; }
        .usp-card h3 { margin: 0 0 4px 0; font-size: 16px; }
        .usp-card p { margin: 0; font-size: 14px; color: var(--text-secondary); }

        .promo-card { background: var(--bg-surface); border-radius: 12px; padding: 20px; margin-bottom: 16px; border: 1px solid var(--border-default); }
        .promo-card h3 { color: var(--brand-primary); margin-top: 0; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 16px; }

        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .payment-card { background: var(--bg-surface); padding: 16px; border-radius: 12px; text-align: center; border: 1px solid var(--border-default); }
        .payment-card i { font-size: 24px; color: var(--brand-primary); margin-bottom: 10px; }
        .payment-card h3 { font-size: 15px; margin: 0 0 8px 0; }
        .payment-card p { font-size: 12px; color: var(--text-secondary); margin: 0; line-height: 1.4; }

        .guide-step { display: flex; gap: 16px; margin-bottom: 20px; background: var(--bg-surface); padding: 16px; border-radius: 12px; }
        .step-num { width: 32px; height: 32px; background: var(--brand-primary); color: var(--btn-text); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0; }
        .step-content h3 { margin: 0 0 8px 0; font-size: 16px; }
        .step-content p { margin: 0; font-size: 14px; color: var(--text-secondary); }
        .step-content a { color: var(--brand-primary); font-weight: 600; }

        .provider-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .provider-card { background: var(--bg-surface); padding: 16px; border-radius: 12px; text-align: center; border: 1px solid var(--border-default); }
        .provider-card h3 { font-size: 16px; margin: 0 0 8px 0; }
        .provider-card p { font-size: 12px; color: var(--text-secondary); margin: 0; }

        .player-guide { background: var(--bg-surface); padding: 16px; border-radius: 12px; margin-bottom: 12px; border: 1px solid var(--border-default); }
        .player-guide h3 { margin: 0 0 4px 0; font-size: 16px; }
        .player-guide .meta { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; display: block; }
        .player-guide p { margin: 0; font-size: 14px; color: var(--text-secondary); }

        .article-card { display: flex; background: var(--bg-surface); border-radius: 12px; overflow: hidden; margin-bottom: 12px; border: 1px solid var(--border-default); text-decoration: none; color: inherit; }
        .article-card img { width: 100px; aspect-ratio: 4/3; object-fit: cover; }
        .article-info { padding: 12px; }
        .article-info h3 { margin: 0 0 8px 0; font-size: 15px; color: var(--text-primary); }
        .article-info p { margin: 0; font-size: 13px; color: var(--text-secondary); line-height: 1.4; }

        .vip-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .vip-card { background: var(--bg-surface); padding: 16px; border-radius: 12px; text-align: center; border: 1px solid var(--border-default); }
        .vip-card h3 { font-size: 16px; color: var(--brand-primary); margin: 0 0 8px 0; }
        .vip-card p { font-size: 13px; color: var(--text-secondary); margin: 0; }

        .faq-container { display: flex; flex-direction: column; gap: 12px; }
        details { background: var(--bg-surface); padding: 12px; border-radius: 12px; border: 1px solid var(--border-default); }
        summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 15px; }
        summary::-webkit-details-marker { display: none; }
        summary::after { content: '＋'; color: var(--brand-primary); font-size: 14px; }
        details[open] summary::after { content: '－'; }
        details p { margin: 12px 0 0 0; font-size: 14px; color: var(--text-secondary); }

        .about-section { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-default); }
        .team-card { margin-top: 20px; padding: 16px; background: var(--bg-elevated); border-radius: 12px; border: 1px solid var(--border-strong); }
        .team-card h3 { margin: 0 0 8px 0; font-size: 16px; color: var(--brand-primary); }
        .team-card p { margin: 0; font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

        footer { padding: 32px 0; border-top: 1px solid var(--border-default); margin-top: 40px; }
        .footer-sitemap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 24px; }
        .footer-sitemap a { font-size: 14px; color: var(--text-secondary); }
        .footer-legal { font-size: 12px; color: var(--text-muted); text-align: center; line-height: 1.6; }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding: 12px 0 calc(12px + env(safe-area-inset-bottom)); 
            border-top: 1px solid var(--border-strong); 
            z-index: 1000; 
        }
        .nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; text-decoration: none; color: var(--text-secondary); font-size: 11px; }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--brand-primary); }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .category-grid { grid-template-columns: repeat(3, 1fr); }
            .usp-bar { flex-direction: row; }
            .usp-card { flex: 1; }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
            .vip-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; display: none; }
            footer { padding-bottom: 24px; }
            .footer-sitemap { grid-template-columns: repeat(6, 1fr); }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
        }