:root {
            --color-brand-primary: #1E40AF;
            --color-brand-hover: #2563EB;
            --color-brand-accent: #06B6D4;
            --color-bg-main: #050B18;
            --color-bg-surface: #0D1628;
            --color-bg-elevated: #16223A;
            --color-text-primary: #F1F5F9;
            --color-text-secondary: #94A3B8;
            --color-text-muted: #64748B;
            --color-btn-bg: #06B6D4;
            --color-btn-text: #050B18;
            --color-btn-hover: #22D3EE;
            --color-border: #1E293B;
            --color-border-brand: #06B6D4;
            --radius-md: 12px;
            --radius-lg: 24px;
            --radius-pill: 9999px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --grad-brand: linear-gradient(135deg, #1E40AF 0%, #06B6D4 100%);
            --grad-btn: linear-gradient(to right, #06B6D4, #22D3EE);
            --glass-bg: rgba(22, 34, 58, 0.7);
            --glass-border: rgba(6, 182, 212, 0.3);
        }

        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));
            background-color: var(--color-bg-main);
            color: var(--color-text-primary);
            overflow-x: hidden;
        }
        img, video { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-brand-accent); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--color-btn-hover); }
        .btn, .cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: transform 0.2s, filter 0.2s;
        }
        .btn-primary { background: var(--grad-btn); color: var(--color-btn-text); }
        .btn-primary:hover { transform: scale(1.02); filter: brightness(1.1); }
        .btn-secondary { background: var(--color-bg-elevated); color: var(--color-text-primary); border: 1px solid var(--color-border); }
        
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 11, 24, 0.9);
            backdrop-filter: blur(10px);
        }
        .header-logo { display: flex; align-items: center; gap: 8px; }
        .header-logo strong { font-size: 16px; font-weight: normal; }
        .header-nav { display: flex; gap: 12px; }

        main { width: 100%; }
        .hero-section {
            padding: 40px 0;
            text-align: center;
            background: radial-gradient(circle at center, #16223A 0%, #050B18 100%);
        }
        h1 { font-size: clamp(1.8rem, 6.5vw, 3rem); line-height: 1.2; margin-bottom: 20px; color: var(--color-text-primary); }
        .hero-text { max-width: 800px; margin: 0 auto 30px; color: var(--color-text-secondary); }
        .hero-cta { width: 100%; max-width: 400px; margin: 0 auto; display: flex; }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 24px;
        }
        .tag-pill {
            padding: 6px 16px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }

        .banner-link { display: block; width: 100%; aspect-ratio: 2 / 1; }
        .banner-img { width: 100%; height: 100%; object-fit: cover; }

        .cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin: 40px 0;
        }
        .cat-tile {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
            transition: background 0.3s;
        }
        .cat-tile:hover { background: var(--color-bg-elevated); }
        .cat-tile i { font-size: 2rem; margin-bottom: 12px; color: var(--color-brand-accent); }
        .cat-tile strong { display: block; margin-bottom: 8px; color: var(--color-text-primary); }
        .cat-tile span { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.4; }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin: 24px 0;
        }
        .game-card {
            background: var(--color-bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: transform 0.2s;
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--color-brand-accent); }
        .game-card img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; }
        .game-card h3 {
            padding: 12px;
            margin: 0;
            font-size: 1rem;
            text-align: center;
            color: var(--color-text-primary);
        }

        .facts-wrapper {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin: 40px 0;
        }
        .freshness-notice {
            font-style: italic;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            margin-bottom: 16px;
            display: block;
        }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table td { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
        .facts-label { color: var(--color-text-secondary); font-weight: 500; width: 40%; }
        .facts-value { color: var(--color-text-primary); text-align: right; }
        .terms-link {
            display: block;
            margin-top: 16px;
            font-size: 0.85rem;
            text-align: center;
            color: var(--color-text-muted);
        }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 16px 0;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            padding: 8px 20px;
            background: var(--color-bg-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            color: var(--color-text-primary);
        }

        .promo-list { display: flex; flex-direction: column; gap: 20px; margin: 24px 0; }
        .promo-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            padding: 24px;
            border-radius: var(--radius-md);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .promo-card h3 { margin: 0; color: var(--color-brand-accent); }
        .promo-card p { margin: 0; color: var(--color-text-secondary); }

        .usp-bar {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin: 40px 0;
        }
        .usp-tile {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            border: 1px solid var(--color-border);
        }
        .usp-tile i { color: var(--color-brand-accent); font-size: 1.5rem; margin-top: 4px; }
        .usp-content strong { display: block; color: var(--color-text-primary); margin-bottom: 4px; }
        .usp-content span { font-size: 0.9rem; color: var(--color-text-secondary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 24px 0;
        }
        .pay-card {
            background: var(--color-bg-surface);
            padding: 16px;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid var(--color-border);
        }
        .pay-card i { font-size: 1.5rem; color: var(--color-brand-accent); margin-bottom: 12px; }
        .pay-card strong { display: block; margin-bottom: 8px; font-size: 0.95rem; }
        .pay-card p { font-size: 0.8rem; color: var(--color-text-secondary); margin: 0; }

        .guide-steps { display: flex; flex-direction: column; gap: 24px; margin: 24px 0; }
        .guide-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .step-num {
            min-width: 32px;
            height: 32px;
            background: var(--color-brand-accent);
            color: var(--color-bg-main);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .guide-content h3 { margin: 0 0 8px; font-size: 1.1rem; }
        .guide-content p { margin: 0; color: var(--color-text-secondary); font-size: 0.95rem; }
        .guide-content a { color: inherit; }

        .download-box {
            background: var(--grad-brand);
            padding: 32px;
            border-radius: var(--radius-lg);
            text-align: center;
            color: var(--color-bg-main);
            margin: 40px 0;
        }
        .download-box h2 { color: var(--color-bg-main); margin-top: 0; }
        .download-box p { margin-bottom: 24px; font-weight: 500; }
        .download-box .btn-white { background: #fff; color: var(--color-bg-main); }

        .player-guides { display: flex; flex-direction: column; gap: 20px; margin: 24px 0; }
        .guide-item {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--color-brand-accent);
        }
        .guide-item h3 { margin: 0 0 4px; font-size: 1.1rem; }
        .guide-item .meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 12px; display: block; }
        .guide-item p { margin: 0; color: var(--color-text-secondary); font-size: 0.95rem; }

        .announcement-list { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
        .announcement-card {
            background: var(--color-bg-surface);
            padding: 16px;
            border-radius: var(--radius-md);
            display: flex;
            gap: 16px;
            border: 1px solid var(--color-border);
        }
        .announcement-card i { color: var(--color-brand-accent); font-size: 1.2rem; margin-top: 4px; }
        .announcement-content h3 { margin: 0 0 8px; font-size: 1rem; }
        .announcement-content p { margin: 0 0 8px; font-size: 0.9rem; color: var(--color-text-secondary); }
        .announcement-date { font-size: 0.8rem; color: var(--color-text-muted); }

        .faq-section { margin: 40px 0; }
        details { background: var(--color-bg-surface); margin-bottom: 12px; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
        summary { padding: 16px; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; }
        summary h3 { margin: 0; font-size: 1rem; pointer-events: none; }
        .faq-answer { padding: 0 16px 16px; color: var(--color-text-secondary); font-size: 0.95rem; }

        .about-box { background: var(--glass-bg); padding: 32px; border-radius: var(--radius-lg); border: 1px solid var(--glass-border); }
        .team-card {
            margin-top: 32px;
            padding: 24px;
            background: var(--color-bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
        }
        .team-card h3 { margin: 0 0 12px; color: var(--color-brand-accent); }
        .team-card p { margin: 0 0 8px; font-size: 0.9rem; color: var(--color-text-secondary); }

        .security-box {
            padding: 32px 0;
            border-top: 1px solid var(--color-border);
            margin-top: 40px;
            text-align: center;
        }
        .security-links { display: flex; justify-content: center; gap: 20px; margin: 20px 0; }
        .security-link { font-size: 0.9rem; background: var(--color-bg-surface); padding: 8px 16px; border-radius: var(--radius-pill); }

        footer {
            padding: 40px 0;
            border-top: 1px solid var(--color-border);
            margin-top: 60px;
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 32px;
            text-align: left;
        }
        .footer-sitemap a { font-size: 0.85rem; color: var(--color-text-secondary); }
        .footer-contact { margin-bottom: 24px; font-size: 0.9rem; }
        .footer-legal { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.5; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: rgba(13, 22, 40, 0.95);
            backdrop-filter: blur(15px);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            border-top: 1px solid var(--glass-border);
            z-index: 2000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--color-text-secondary);
            font-size: 0.7rem;
            text-decoration: none;
        }
        .nav-item i { font-size: 1.2rem; }

        h2 { font-size: clamp(1.5rem, 5.2vw, 2.25rem); line-height: 1.25; margin-top: 3rem; margin-bottom: 1.5rem; color: var(--color-text-primary); }
        
        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .cat-grid { grid-template-columns: repeat(3, 1fr); }
            .game-grid { grid-template-columns: repeat(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .usp-bar { grid-template-columns: repeat(2, 1fr); }
            .navigator { position: static; display: none; }
            .hero-section { padding: 80px 0; }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .cat-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .usp-bar { grid-template-columns: repeat(4, 1fr); }
            .footer-sitemap { grid-template-columns: repeat(5, 1fr); }
        }

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