:root {
            --color-primary: #0A2342;
            --color-primary-hover: #123661;
            --color-secondary: #C0C0C8;
            --color-secondary-hover: #D8D8E0;
            --color-accent: #00F0FF;
            --bg-main: #061426;
            --bg-surface: #0B1E38;
            --bg-elevated: #12294D;
            --text-primary: #E6F1FF;
            --text-secondary: #B0C4DE;
            --text-muted: #708090;
            --btn-bg: #00F0FF;
            --btn-text: #061426;
            --btn-hover-bg: #70F8FF;
            --border-default: #1A355C;
            --border-strong: #2C4F85;
            --border-brand: #00F0FF;
            --radius-sm: 2px;
            --radius-md: 4px;
            --radius-lg: 8px;
            --radius-pill: 9999px;
            --shadow-card: 0 4px 0px #061426;
            --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
            --grad-brand: linear-gradient(135deg, #0A2342 0%, #00F0FF 100%);
            --grad-button: linear-gradient(180deg, #00F0FF 0%, #00C2D1 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: 'Barlow Condensed', sans-serif;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.1;
            color: var(--text-primary);
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); text-transform: uppercase; font-style: italic; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); font-style: italic; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); }
        a { color: var(--color-accent); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--btn-hover-bg); }
        img { max-width: 100%; height: auto; display: block; }
        .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;
            border: none;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            background: var(--grad-button);
            color: var(--btn-text);
        }
        .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
        .btn-full { width: 100%; box-sizing: border-box; }
        .btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-strong); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-default);
            margin-bottom: 20px;
        }
        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand strong { font-size: 16px; font-weight: 400; }
        .header-actions { display: flex; gap: 10px; }

        main { max-width: 100%; }
        section { 
            margin-bottom: 40px; 
            content-visibility: auto; 
            contain-intrinsic-size: 1px 500px; 
        }

        .hero-box { text-align: center; padding: 20px 0; }
        .hero-intro { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 24px; }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 20px; }
        .hero-tag { 
            background: var(--bg-surface); 
            color: var(--text-secondary); 
            padding: 4px 12px; 
            border-radius: var(--radius-pill); 
            font-size: 0.85rem; 
            border: 1px solid var(--border-default);
        }

        .banner-link { display: block; overflow: hidden; border-radius: var(--radius-lg); }
        .banner-img { aspect-ratio: 2/1; width: 100%; object-fit: cover; }

        .cat-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 12px; 
            margin: 20px 0; 
        }
        .cat-tile { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 1px solid var(--border-default);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .cat-tile i { font-size: 1.5rem; color: var(--color-accent); }
        .cat-tile strong { display: block; font-size: 1rem; margin-bottom: 4px; }
        .cat-tile span { font-size: 0.8rem; color: var(--text-muted); }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 16px; 
        }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: var(--radius-lg); 
            overflow: hidden; 
            border: 1px solid var(--border-default);
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease;
        }
        .game-card:hover { border-color: var(--color-accent); }
        .game-card img { aspect-ratio: 1/1; width: 100%; object-fit: cover; }
        .game-card h3 { 
            font-size: 0.95rem; 
            margin: 10px; 
            text-align: center; 
            font-style: normal;
            color: var(--text-primary);
        }

        .fact-table-wrapper { margin-top: 10px; }
        .fact-notice { font-style: italic; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 12px; }
        .fact-table { 
            width: 100%; 
            border-collapse: collapse; 
            background: var(--bg-surface); 
            border-radius: var(--radius-lg); 
            overflow: hidden;
            border: 1px solid var(--border-default);
        }
        .fact-table td { padding: 12px; border-bottom: 1px solid var(--border-default); }
        .fact-table td:first-child { font-weight: 600; color: var(--text-secondary); width: 40%; }
        .fact-table tr:last-child td { border-bottom: none; }
        .fact-footer { margin-top: 12px; font-size: 0.85rem; text-align: center; }

        .toc-nav { 
            display: flex; 
            overflow-x: auto; 
            gap: 10px; 
            padding: 10px 0; 
            scrollbar-width: 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: 0.85rem; 
            border: 1px solid var(--border-strong);
        }

        .promo-list { display: flex; flex-direction: column; gap: 16px; }
        .promo-card { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            border-left: 4px solid var(--color-accent);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .usp-bar { display: flex; flex-direction: column; gap: 16px; }
        .usp-tile { 
            display: flex; 
            gap: 16px; 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            align-items: flex-start;
        }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); margin-top: 4px; }
        .usp-tile strong { display: block; font-size: 1.1rem; margin-bottom: 4px; }
        .usp-tile p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }

        .step-list { display: flex; flex-direction: column; gap: 20px; }
        .step-item { 
            display: flex; 
            gap: 16px; 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            align-items: center;
        }
        .step-num { 
            min-width: 40px; 
            height: 40px; 
            background: var(--color-accent); 
            color: var(--btn-text); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 800; 
            font-size: 1.2rem;
        }
        .step-content h3 { margin: 0 0 8px 0; font-style: normal; }
        .step-content h3 a { color: inherit; }

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

        .download-box { 
            background: var(--bg-surface); 
            padding: 24px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 2px solid var(--border-strong);
        }

        .guide-list { display: flex; flex-direction: column; gap: 16px; }
        .guide-item { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--border-default);
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; display: block; }

        .announcement-list { display: flex; flex-direction: column; gap: 16px; }
        .announcement-card { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            display: flex; 
            gap: 16px; 
            border: 1px solid var(--border-default);
        }
        .announcement-card i { font-size: 1.2rem; color: var(--color-accent); }
        .announcement-date { font-size: 0.75rem; color: var(--text-muted); display: block; margin-top: 8px; }

        .faq-container { display: flex; flex-direction: column; gap: 12px; }
        .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; }
        .faq-item summary h3 { margin: 0; font-size: 1.1rem; font-style: normal; }
        .faq-answer { padding: 0 16px 16px 16px; color: var(--text-secondary); border-top: 1px solid var(--border-default); padding-top: 16px; }

        .about-box { background: var(--bg-surface); padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border-strong); }
        .team-card { 
            margin-top: 20px; 
            padding: 20px; 
            background: var(--bg-elevated); 
            border-radius: var(--radius-lg); 
            border-left: 4px solid var(--color-accent);
        }

        .security-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 20px; 
            background: var(--bg-surface); 
            padding: 24px; 
            border-radius: var(--radius-lg);
        }
        .security-item { display: flex; gap: 12px; align-items: flex-start; }
        .security-item i { color: var(--color-accent); margin-top: 4px; }

        footer { 
            background: var(--bg-surface); 
            padding: 40px 0 20px 0; 
            border-top: 1px solid var(--border-default); 
            margin-top: 40px; 
            text-align: center; 
        }
        .footer-sitemap { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
            text-align: left;
        }
        .footer-contact { margin-bottom: 20px; font-size: 0.9rem; }
        .footer-legal { 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; 
            padding: 10px 0 calc(10px + 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; 
            font-size: 0.7rem; 
            color: var(--text-secondary);
        }
        .nav-item i { font-size: 1.2rem; }

        @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(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .step-item { flex-direction: row; }
            .navigator { position: static; display: none; }
            header { padding: 20px 0; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .cat-grid { grid-template-columns: repeat(4, 1fr); }
        }