:root {
            --brand-primary: #007BFF;
            --brand-primary-hover: #3395FF;
            --brand-secondary: #C0C0C0;
            --brand-accent: #00F2FF;
            --bg-main: #050A15;
            --bg-surface: #0D1526;
            --bg-elevated: #16213A;
            --text-primary: #E6F0FF;
            --text-secondary: #B0C4DE;
            --text-muted: #6B7C93;
            --border-default: #1E2B45;
            --border-brand: rgba(0, 242, 255, 0.4);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 24px;
            --radius-pill: 9999px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --gradient-brand: linear-gradient(135deg, #007BFF 0%, #00F2FF 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;
            color: var(--text-primary);
            background-color: var(--bg-main);
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--brand-accent); text-decoration: none; transition: color 0.2s; }
        a:hover { color: #FFFFFF; }
        .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: transform 0.2s, opacity 0.2s;
            border: none;
            text-align: center;
        }
        .btn-primary { background: var(--gradient-brand); color: var(--bg-main); }
        .btn-primary:hover { opacity: 0.9; transform: translateY(-2px); }
        .btn-outline { border: 1px solid var(--brand-primary); color: var(--text-primary); background: transparent; }
        .btn-outline:hover { background: var(--brand-primary); color: #FFF; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin: 0 0 1rem 0; font-family: 'Be Vietnam Pro', sans-serif; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; margin-bottom: 1.2rem; font-family: 'Be Vietnam Pro', sans-serif; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin: 0 0 0.5rem 0; font-family: 'Be Vietnam Pro', sans-serif; }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        .header-logo-link { display: flex; align-items: center; gap: 8px; }
        .header-logo-link strong { font-size: 16px; font-weight: 400; }
        .header-actions { display: flex; gap: 12px; }
        .hero-section { text-align: center; padding: 40px 0; }
        .hero-intro { max-width: 800px; margin: 0 auto 2rem auto; }
        .hero-cta-full { display: block; width: 100%; box-sizing: border-box; font-size: 1.2rem; margin-bottom: 1.5rem; }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
        .hero-tag { 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); }
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 2rem 0; }
        .category-tile { background: var(--bg-surface); border: 1px solid var(--border-default); padding: 20px; border-radius: var(--radius-md); text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
        .category-tile i { font-size: 2rem; color: var(--brand-accent); }
        .category-tile span { display: block; font-weight: 600; }
        .category-tile p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .game-card { background: var(--bg-surface); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-default); transition: border-color 0.2s; }
        .game-card:hover { border-color: var(--brand-accent); }
        .game-img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-info { padding: 12px; text-align: center; }
        .game-info h3 { font-size: 1rem; margin: 0; }
        .facts-container { background: var(--bg-surface); border-radius: var(--radius-md); padding: 24px; border: 1px solid var(--border-default); margin: 2rem 0; }
        .facts-notice { font-style: italic; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1.5rem; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table tr { border-bottom: 1px solid var(--border-default); }
        .facts-table td { padding: 12px 0; }
        .facts-label { color: var(--text-secondary); font-weight: 500; width: 40%; }
        .facts-value { color: var(--text-primary); text-align: right; }
        .facts-footer { margin-top: 1rem; font-size: 0.85rem; text-align: center; }
        .toc-nav { display: flex; overflow-x: auto; gap: 12px; padding: 12px 0; margin: 2rem 0; scrollbar-width: 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-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin: 2rem 0; }
        .promo-card { background: var(--bg-surface); border: 1px solid var(--border-brand); padding: 24px; border-radius: var(--radius-lg); position: relative; }
        .usp-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 2rem 0; }
        .usp-tile { background: var(--bg-elevated); padding: 20px; border-radius: var(--radius-md); display: flex; gap: 16px; align-items: flex-start; }
        .usp-tile i { font-size: 1.5rem; color: var(--brand-accent); margin-top: 4px; }
        .usp-tile strong { display: block; margin-bottom: 4px; }
        .pay-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 2rem 0; }
        .pay-card { background: var(--bg-surface); padding: 16px; border-radius: var(--radius-md); text-align: center; border: 1px solid var(--border-default); }
        .pay-card i { font-size: 1.8rem; color: var(--brand-primary); margin-bottom: 8px; display: block; }
        .pay-card p { font-size: 0.8rem; color: var(--text-secondary); margin: 8px 0 0 0; }
        .guide-steps { display: grid; grid-template-columns: 1fr; gap: 24px; margin: 2rem 0; }
        .step-item { display: flex; gap: 16px; align-items: flex-start; }
        .step-num { background: var(--gradient-brand); 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: 0 0 8px 0; }
        .step-content a { color: inherit; }
        .download-section { background: var(--bg-elevated); padding: 32px 24px; border-radius: var(--radius-lg); text-align: center; margin: 2rem 0; }
        .player-guides { display: grid; grid-template-columns: 1fr; gap: 20px; margin: 2rem 0; }
        .guide-card { background: var(--bg-surface); padding: 20px; border-radius: var(--radius-md); border-left: 4px solid var(--brand-primary); }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; display: block; }
        .announcement-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 2rem 0; }
        .announcement-item { background: var(--bg-surface); padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border-default); }
        .announcement-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
        .announcement-header i { color: var(--brand-accent); }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-top: 12px; }
        .faq-section { margin: 2rem 0; }
        .faq-item { background: var(--bg-surface); margin-bottom: 12px; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-default); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; }
        .faq-item summary h3 { margin: 0; font-size: 1rem; }
        .faq-item p { padding: 0 16px 16px 16px; color: var(--text-secondary); margin: 0; }
        .about-section { background: var(--bg-surface); padding: 32px 24px; border-radius: var(--radius-lg); margin: 2rem 0; }
        .team-card { background: var(--bg-elevated); padding: 24px; border-radius: var(--radius-md); margin-top: 24px; border: 1px solid var(--border-brand); }
        .security-section { padding: 32px 0; margin: 2rem 0; border-top: 1px solid var(--border-default); }
        .security-links { display: flex; flex-wrap: wrap; gap: 16px; margin: 20px 0; }
        .security-link { background: var(--bg-elevated); padding: 10px 20px; border-radius: var(--radius-sm); font-size: 0.9rem; border: 1px solid var(--border-default); }
        footer { padding: 40px 0 100px 0; border-top: 1px solid var(--border-default); margin-top: 40px; }
        .footer-sitemap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 32px; }
        .footer-sitemap a { color: var(--text-secondary); font-size: 0.9rem; }
        .footer-contact { text-align: center; margin-bottom: 24px; color: var(--text-secondary); }
        .footer-legal { text-align: center; font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }
        .navigator { position: fixed; inset-inline: 0; bottom: 0; background: rgba(13, 21, 38, 0.95); backdrop-filter: blur(10px); display: flex; justify-content: space-around; padding: 12px 0 calc(12px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border-brand); z-index: 1000; }
        .nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--text-secondary); font-size: 0.75rem; }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--brand-accent); }
        .utility-link { color: var(--text-secondary); font-size: 0.9rem; text-decoration: underline; }
        
        @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); }
            .pay-grid { grid-template-columns: repeat(4, 1fr); }
            .guide-steps { grid-template-columns: repeat(2, 1fr); }
            .announcement-grid { grid-template-columns: repeat(2, 1fr); }
            .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); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .pay-grid { grid-template-columns: repeat(5, 1fr); }
            .guide-steps { grid-template-columns: repeat(2, 1fr); }
            .announcement-grid { grid-template-columns: repeat(2, 1fr); }
        }
        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }