:root {
            --color-primary: #007BFF;
            --color-primary-hover: #3395FF;
            --color-secondary: #C0C0C5;
            --color-accent: #00F5FF;
            --bg-main: #050A18;
            --bg-surface: #0C142B;
            --bg-elevated: #162142;
            --text-primary: #E6EEFF;
            --text-secondary: #B0BADC;
            --text-muted: #7A8BBA;
            --border-default: #1E2C5A;
            --border-brand: #00F5FF;
            --font-headings: 'Be Vietnam Pro', sans-serif;
            --font-body: 'Be Vietnam Pro', sans-serif;
            --radius-md: 16px;
            --radius-pill: 9999px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --grad-brand: linear-gradient(135deg, #007BFF 0%, #00F5FF 100%);
        }
        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;
            background-color: var(--bg-main);
            color: var(--text-primary);
            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(--color-accent); text-decoration: none; transition: color 0.2s; }
        a:hover { color: #33D1FF; }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-block: 12px;
            border-bottom: 1px solid var(--border-default);
        }
        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand strong { font-size: 16px; font-weight: normal; }
        .header-actions { display: flex; gap: 10px; }
        .btn-nav {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 600;
            background: var(--bg-elevated);
            color: var(--text-primary);
            border: 1px solid var(--border-default);
        }
        .btn-nav-primary { background: var(--color-primary); border-color: var(--color-primary); }
        main { width: 100%; }
        .hero-section { padding-block: 40px 20px; text-align: center; }
        h1 { 
            font-family: var(--font-headings);
            font-size: clamp(1.6rem, 6.5vw, 2.4rem); 
            line-height: 1.2; 
            margin-bottom: 16px;
            background: var(--grad-brand);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-text { 
            max-width: 800px; 
            margin: 0 auto 24px; 
            color: var(--text-secondary);
            font-size: 1.1rem;
        }
        .btn-hero {
            display: block;
            width: 100%;
            max-width: 400px;
            margin: 0 auto 24px;
            padding: 16px;
            border-radius: var(--radius-pill);
            background: var(--grad-brand);
            color: var(--bg-main);
            font-weight: 700;
            font-size: 1.2rem;
            text-align: center;
            box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
        }
        .hero-tags { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
        .tag-pill {
            padding: 4px 12px;
            background: rgba(0, 123, 255, 0.1);
            border: 1px solid var(--border-brand);
            color: var(--color-accent);
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
        }
        .banner-link { display: block; margin-bottom: 32px; line-height: 0; }
        .banner-img { width: 1024px; height: 512px; aspect-ratio: 2/1; object-fit: cover; border-radius: var(--radius-md); }
        .category-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 12px; 
            margin-bottom: 40px; 
        }
        .category-tile {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
            backdrop-filter: blur(10px);
            transition: transform 0.2s;
        }
        .category-tile:hover { transform: translateY(-5px); border-color: var(--color-accent); }
        .category-tile i { font-size: 2rem; color: var(--color-accent); margin-bottom: 12px; }
        .category-tile strong { display: block; font-size: 1.1rem; margin-bottom: 8px; color: var(--text-primary); }
        .category-tile span { font-size: 0.85rem; color: var(--text-muted); }
        .section-title { 
            font-family: var(--font-headings);
            font-size: clamp(1.3rem, 5.2vw, 1.8rem); 
            line-height: 1.25; 
            margin: 32px 0 20px; 
            text-align: center;
        }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 16px; 
            margin-bottom: 32px; 
        }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: var(--radius-md); 
            overflow: hidden; 
            border: 1px solid var(--border-default);
            transition: box-shadow 0.3s;
        }
        .game-card:hover { box-shadow: var(--shadow-card); border-color: var(--color-accent); }
        .game-card img { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
        .game-card h3 { 
            font-size: 1rem; 
            padding: 12px; 
            margin: 0; 
            text-align: center; 
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .facts-container { background: var(--bg-surface); border-radius: var(--radius-md); padding: 24px; border: 1px solid var(--border-default); }
        .freshness-notice { font-style: italic; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table td { padding: 12px; border-bottom: 1px solid var(--border-default); }
        .facts-table td:first-child { font-weight: 600; color: var(--text-secondary); width: 40%; }
        .facts-footer { margin-top: 12px; font-size: 0.85rem; text-align: center; }
        .toc-nav { 
            display: flex; 
            overflow-x: auto; 
            gap: 12px; 
            padding-block: 16px; 
            scrollbar-width: none; 
            border-top: 1px solid var(--border-default);
            border-bottom: 1px solid var(--border-default);
            margin-bottom: 32px;
        }
        .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);
        }
        .promo-card { 
            background: var(--bg-surface); 
            border-radius: var(--radius-md); 
            padding: 24px; 
            margin-bottom: 16px; 
            border: 1px solid var(--border-default);
            display: flex;
            flex-direction: column;
        }
        .promo-card h3 { margin-top: 0; color: var(--color-accent); }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-promo { 
            align-self: flex-start; 
            padding: 10px 20px; 
            border-radius: var(--radius-md); 
            background: var(--color-primary); 
            color: white; 
            font-weight: 600;
        }
        .usp-bar { display: grid; gap: 16px; margin-bottom: 32px; }
        .usp-tile { 
            display: flex; 
            align-items: center; 
            gap: 16px; 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-md); 
            border-left: 4px solid var(--color-accent);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); }
        .usp-tile strong { display: block; color: var(--text-primary); font-size: 1.1rem; }
        .usp-tile p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }
        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 32px; }
        .payment-card { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-md); 
            text-align: center; 
            border: 1px solid var(--border-default);
        }
        .payment-card i { font-size: 1.8rem; color: var(--color-accent); margin-bottom: 8px; }
        .payment-card strong { display: block; margin-bottom: 8px; }
        .payment-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }
        .guide-steps { display: grid; gap: 20px; margin-bottom: 32px; }
        .step-item { 
            display: flex; 
            gap: 16px; 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--border-default);
        }
        .step-number { 
            min-width: 36px; 
            height: 36px; 
            background: var(--grad-brand); 
            color: var(--bg-main); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 700; 
        }
        .step-content h3 { margin: 0 0 8px; font-size: 1.1rem; }
        .step-content h3 a { color: inherit; }
        .download-section { 
            background: var(--bg-surface); 
            padding: 32px 24px; 
            border-radius: var(--radius-md); 
            text-align: center; 
            border: 1px solid var(--border-default); 
            margin-bottom: 32px;
        }
        .btn-download { 
            display: inline-block; 
            padding: 14px 32px; 
            background: var(--grad-brand); 
            color: var(--bg-main); 
            border-radius: var(--radius-pill); 
            font-weight: 700; 
            margin-top: 20px; 
        }
        .guide-item { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-md); 
            margin-bottom: 16px; 
            border: 1px solid var(--border-default);
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; display: block; }
        .announcement-list { display: grid; gap: 16px; margin-bottom: 32px; }
        .announcement-card { 
            display: flex; 
            gap: 16px; 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--border-default);
        }
        .announcement-card i { color: var(--color-accent); margin-top: 4px; }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 4px; }
        .faq-item { background: var(--bg-surface); border-radius: var(--radius-md); margin-bottom: 12px; border: 1px solid var(--border-default); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary h3 { margin: 0; font-size: 1.05rem; color: var(--text-primary); }
        .faq-answer { padding: 0 16px 16px; color: var(--text-secondary); font-size: 0.95rem; }
        .about-section { background: var(--bg-surface); padding: 32px 24px; border-radius: var(--radius-md); border: 1px solid var(--border-default); margin-bottom: 32px; }
        .team-card { 
            margin-top: 24px; 
            padding: 20px; 
            background: var(--bg-elevated); 
            border-radius: var(--radius-md); 
            border: 1px solid var(--border-brand);
        }
        .security-box { 
            background: var(--bg-surface); 
            padding: 24px; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--border-default); 
            margin-bottom: 32px;
        }
        .external-links { display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0; }
        .ext-link { 
            font-size: 0.85rem; 
            padding: 6px 12px; 
            background: var(--bg-elevated); 
            border-radius: var(--radius-pill); 
            border: 1px solid var(--border-default);
        }
        footer { 
            background: var(--bg-surface); 
            padding: 40px 24px; 
            border-top: 1px solid var(--border-default); 
            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: 0.9rem; color: var(--text-secondary); }
        .footer-contact { margin-bottom: 24px; font-size: 0.95rem; }
        .footer-legal { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }
        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            background: rgba(12, 20, 43, 0.9); 
            backdrop-filter: blur(15px); 
            display: flex; 
            justify-content: space-around; 
            padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); 
            border-top: 1px solid var(--border-default); 
            z-index: 1000;
        }
        .nav-item { text-align: center; color: var(--text-secondary); font-size: 0.7rem; text-decoration: none; flex: 1; }
        .nav-item i { display: block; font-size: 1.2rem; margin-bottom: 4px; }
        .util-link { font-size: 0.9rem; color: var(--color-accent); font-weight: 600; }
        
        @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(2, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; 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); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
        }
        section { content-visibility: auto; contain-intrinsic-size: 500px; }