:root {
            --color-primary: #0B2447;
            --color-primary-hover: #153C7A;
            --color-secondary: #C0C0C0;
            --color-secondary-hover: #E0E0E0;
            --color-accent: #00F5FF;
            --color-bg-main: #050C1A;
            --color-bg-surface: #0B162B;
            --color-bg-elevated: #13223D;
            --color-text-primary: #E6F1FF;
            --color-text-secondary: #A0B0C5;
            --color-text-muted: #6C7B90;
            --color-btn-bg: #00F5FF;
            --color-btn-text: #050C1A;
            --color-btn-hover: #70F9FF;
            --color-border: #1B2C4A;
            --color-border-strong: #2D4263;
            --radius-sm: 2px;
            --radius-md: 4px;
            --radius-lg: 8px;
            --radius-pill: 9999px;
            --shadow-card: 0 4px 0 #000000;
            --shadow-elevated: 0 8px 20px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 15px rgba(0, 245, 255, 0.6);
            --grad-brand: linear-gradient(135deg, #0B2447 0%, #00F5FF 100%);
            --grad-hero: linear-gradient(180deg, #0B2447 0%, #050C1A 100%);
            --grad-btn: linear-gradient(to bottom, #00F5FF 0%, #00D1DD 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));
            background-color: var(--color-bg-main);
            color: var(--color-text-primary);
            overflow-x: hidden;
        }
        img, video, iframe { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-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 18px;
            border-radius: var(--radius-md);
            font-weight: 700;
            cursor: pointer;
            text-align: center;
            border: none;
            transition: transform 0.1s, filter 0.2s;
        }
        .btn-primary { background: var(--grad-btn); color: var(--color-btn-text); }
        .btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
        .btn-secondary { background: var(--color-bg-elevated); color: var(--color-text-primary); border: 1px solid var(--color-border-strong); }
        .btn-secondary:hover { background: var(--color-border-strong); }
        .btn-full { width: 100%; }
        h1, h2, h3 { font-family: 'Archivo Black', sans-serif; line-height: 1.1; letter-spacing: -0.02em; margin: 0; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); margin-bottom: 1rem; font-style: italic; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); margin-top: 2.5rem; margin-bottom: 1.25rem; font-style: italic; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-bottom: 0.75rem; }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-block: 1rem;
            border-bottom: 1px solid var(--color-border);
        }
        .header-logo { display: flex; align-items: center; gap: 8px; }
        .header-logo strong { font-size: 16px; font-weight: 400; }
        .header-actions { display: flex; gap: 10px; }
        main { width: 100%; }
        .hero-section { padding-block: 2rem 0; text-align: center; }
        .hero-intro { max-width: 800px; margin: 0 auto 1.5rem; color: var(--color-text-secondary); }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 1.5rem; }
        .tag-pill { background: var(--color-bg-surface); color: var(--color-accent); padding: 4px 12px; border-radius: var(--radius-pill); font-size: 0.8rem; border: 1px solid var(--color-border); }
        .banner-link { display: block; width: 100%; margin-block: 1.5rem; }
        .banner-link img { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: var(--radius-lg); }
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-block: 2rem; }
        .category-tile { background: var(--color-bg-surface); padding: 1.5rem 1rem; border-radius: var(--radius-lg); text-align: center; border: 1px solid var(--color-border); display: flex; flex-direction: column; align-items: center; gap: 10px; }
        .category-tile i { font-size: 2rem; color: var(--color-accent); }
        .category-tile strong { display: block; font-size: 1.1rem; color: var(--color-text-primary); }
        .category-tile span { font-size: 0.85rem; color: var(--color-text-secondary); }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-block: 1.5rem; }
        .game-card { background: var(--color-bg-surface); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); box-shadow: var(--shadow-card); transition: transform 0.2s; }
        .game-card:hover { transform: translateY(-5px); }
        .game-card img { aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; font-size: 1rem; text-align: center; color: var(--color-text-primary); margin: 0; }
        .fact-table-wrapper { margin-block: 1.5rem; }
        .fact-table { width: 100%; border-collapse: collapse; background: var(--color-bg-surface); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); }
        .fact-table td { padding: 12px; border-bottom: 1px solid var(--color-border); }
        .fact-table td:first-child { width: 40%; font-weight: 600; color: var(--color-text-secondary); background: var(--color-bg-elevated); }
        .fact-table td:last-child { color: var(--color-text-primary); }
        .freshness-notice { font-style: italic; font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 1rem; display: block; }
        .terms-link { display: block; text-align: center; margin-top: 1rem; font-size: 0.85rem; color: var(--color-text-muted); }
        .toc-nav { display: flex; overflow-x: auto; gap: 10px; padding-block: 1rem; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); margin-block: 2rem; scrollbar-width: none; }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { background: var(--color-bg-elevated); white-space: nowrap; padding: 8px 16px; border-radius: var(--radius-pill); font-size: 0.9rem; border: 1px solid var(--color-border); }
        .promo-section { margin-block: 2.5rem; }
        .promo-card { background: var(--color-bg-surface); border-radius: var(--radius-lg); padding: 20px; margin-block: 15px; border: 1px solid var(--color-border-strong); display: flex; flex-direction: column; gap: 15px; }
        .usp-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-block: 2rem; }
        .usp-tile { background: var(--color-bg-surface); padding: 1.5rem; border-radius: var(--radius-lg); border: 1px solid var(--color-border); display: flex; gap: 15px; align-items: flex-start; }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); margin-top: 4px; }
        .usp-tile strong { display: block; color: var(--color-text-primary); margin-bottom: 5px; }
        .usp-tile p { margin: 0; font-size: 0.9rem; color: var(--color-text-secondary); }
        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-block: 1.5rem; }
        .payment-card { background: var(--color-bg-surface); padding: 1.25rem; border-radius: var(--radius-lg); border: 1px solid var(--color-border); text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; }
        .payment-card i { font-size: 1.8rem; color: var(--color-accent); }
        .payment-card strong { display: block; color: var(--color-text-primary); }
        .payment-card p { margin: 0; font-size: 0.8rem; color: var(--color-text-secondary); }
        .step-list { display: flex; flex-direction: column; gap: 20px; margin-block: 1.5rem; }
        .step-item { display: flex; gap: 15px; align-items: flex-start; }
        .step-num { background: var(--color-accent); color: var(--color-btn-text); width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; flex-shrink: 0; }
        .step-content h3 { margin-bottom: 5px; }
        .step-content a { color: inherit; text-decoration: none; }
        .download-section { background: var(--color-bg-surface); padding: 2rem 1.5rem; border-radius: var(--radius-lg); border: 1px solid var(--color-border); text-align: center; margin-block: 2rem; }
        .guide-list { display: flex; flex-direction: column; gap: 20px; margin-block: 1.5rem; }
        .guide-item { background: var(--color-bg-surface); padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
        .guide-meta { font-size: 0.8rem; color: var(--color-text-muted); display: block; margin-bottom: 10px; }
        .announcement-list { display: flex; flex-direction: column; gap: 15px; margin-block: 1.5rem; }
        .announcement-card { background: var(--color-bg-surface); padding: 15px; border-radius: var(--radius-lg); border: 1px solid var(--color-border); display: flex; gap: 15px; }
        .announcement-card i { font-size: 1.2rem; color: var(--color-accent); margin-top: 4px; }
        .announcement-info h3 { font-size: 1.1rem; margin-bottom: 5px; }
        .announcement-date { font-size: 0.8rem; color: var(--color-text-muted); display: block; margin-top: 8px; }
        .faq-container { margin-block: 1.5rem; }
        .faq-item { background: var(--color-bg-surface); border-radius: var(--radius-lg); margin-bottom: 12px; border: 1px solid var(--color-border); overflow: hidden; }
        .faq-item summary { padding: 15px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; background: var(--color-bg-elevated); }
        .faq-item summary h3 { margin: 0; font-size: 1rem; color: var(--color-text-primary); }
        .faq-answer { padding: 15px; color: var(--color-text-secondary); font-size: 0.95rem; border-top: 1px solid var(--color-border); }
        .about-section { background: var(--color-bg-surface); padding: 2rem 1.5rem; border-radius: var(--radius-lg); border: 1px solid var(--color-border); margin-block: 2rem; }
        .team-card { background: var(--color-bg-elevated); padding: 20px; border-radius: var(--radius-lg); border-left: 4px solid var(--color-accent); margin-top: 1.5rem; }
        .security-section { margin-block: 2rem; padding: 1.5rem; background: var(--color-bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
        .rg-links { display: flex; flex-wrap: wrap; gap: 10px; margin-block: 1rem; }
        .rg-link { background: var(--color-bg-elevated); padding: 8px 15px; border-radius: var(--radius-pill); font-size: 0.85rem; border: 1px solid var(--color-border); }
        footer { padding-block: 2rem 0; border-top: 1px solid var(--color-border); margin-top: 3rem; }
        .footer-sitemap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 2rem; }
        .footer-sitemap a { font-size: 0.85rem; color: var(--color-text-secondary); }
        .footer-contact { text-align: center; margin-bottom: 1.5rem; font-size: 0.9rem; }
        .footer-legal { text-align: center; font-size: 0.8rem; color: var(--color-text-muted); }
        .navigator { position: fixed; inset-inline: 0; bottom: 0; background: var(--color-bg-surface); display: flex; justify-content: space-around; align-items: center; padding-block: 10px; padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--color-border); z-index: 1000; }
        .nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--color-text-secondary); font-size: 0.7rem; }
        .nav-item i { font-size: 1.2rem; color: var(--color-accent); }
        .util-link { display: inline-block; margin-top: 10px; font-weight: 600; color: var(--color-accent); }
        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }
        @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); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; display: none; }
            .hero-section { text-align: left; }
            .hero-tags { justify-content: flex-start; }
        }
        @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); }
            .footer-sitemap { grid-template-columns: repeat(5, 1fr); }
        }