:root {
            --primary: #0D2B5C;
            --primary-hover: #163E8A;
            --secondary: #C0C0C5;
            --secondary-hover: #E2E2E8;
            --accent: #00F5FF;
            --bg-main: #050B1A;
            --bg-surface: #0B142D;
            --bg-elevated: #131F3F;
            --text-primary: #E6EBF5;
            --text-secondary: #A0AEC7;
            --text-muted: #6B7C99;
            --btn-bg: #00F5FF;
            --btn-text: #050B1A;
            --btn-hover-bg: #70FFFF;
            --border-def: #1C2D54;
            --border-brand: #00F5FF;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.5);
            --radius-md: 4px;
            --radius-lg: 8px;
            --radius-pill: 9999px;
        }
        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-main);
            color: var(--text-primary);
            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;
        }
        h1, h2, h3 {
            font-family: 'Barlow Condensed', sans-serif;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-style: italic;
        }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); }
        a { color: var(--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-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            background: linear-gradient(180deg, #00F5FF 0%, #00C2CC 100%);
            color: var(--btn-text);
            border-radius: var(--radius-md);
            font-weight: 600;
            text-align: center;
            border: none;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .btn-main:hover { transform: translateY(-2px); box-shadow: 0 0 15px rgba(0, 245, 255, 0.4); }
        .btn-outline {
            padding: 8px 16px;
            border: 1px solid var(--accent);
            color: var(--accent);
            border-radius: var(--radius-md);
            font-size: 0.875rem;
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-def);
        }
        .header-logo-link { display: flex; align-items: center; gap: 8px; }
        .header-logo-link strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        .header-nav { display: flex; gap: 12px; }
        main { width: 100%; }
        .hero-wrapper { text-align: center; padding: 2rem 0; }
        .hero-intro-text { max-width: 800px; margin: 1.5rem auto; color: var(--text-secondary); }
        .hero-cta-full { display: block; width: 100%; box-sizing: border-box; margin: 1.5rem 0; }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 1rem; }
        .hero-tag {
            background: var(--bg-elevated);
            color: var(--text-secondary);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            border: 1px solid var(--border-def);
        }
        .banner-link { display: block; width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: var(--radius-lg); }
        .banner-img { width: 100%; height: 100%; object-fit: cover; }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 2rem 0;
        }
        .category-tile {
            background: var(--bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--border-def);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .category-tile i { font-size: 2rem; color: var(--accent); }
        .category-tile span { display: block; font-weight: 600; color: var(--text-primary); }
        .category-tile p { font-size: 0.8125rem; color: var(--text-muted); margin: 0; }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin: 1.5rem 0;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-def);
            transition: border-color 0.3s ease;
        }
        .game-card:hover { border-color: var(--accent); }
        .game-card img { aspect-ratio: 1/1; width: 100%; object-fit: cover; }
        .game-card h3 {
            padding: 12px;
            margin: 0;
            font-size: 1rem;
            text-align: center;
            color: var(--text-primary);
            font-style: normal;
        }
        .facts-wrapper { background: var(--bg-surface); border-radius: var(--radius-lg); padding: 1.5rem; margin: 2rem 0; border: 1px solid var(--border-def); }
        .facts-notice { font-style: italic; color: var(--text-muted); font-size: 0.875rem; margin-bottom: 1rem; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table td { padding: 12px; border-bottom: 1px solid var(--border-def); }
        .facts-table td:first-child { font-weight: 600; color: var(--text-secondary); width: 40%; }
        .facts-footer-link { display: block; text-align: center; margin-top: 1rem; font-size: 0.875rem; color: var(--text-muted); }
        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 1rem 0;
            scrollbar-width: none;
            border-top: 1px solid var(--border-def);
            border-bottom: 1px solid var(--border-def);
            margin-bottom: 2rem;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            background: var(--bg-elevated);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.875rem;
            color: var(--text-primary);
            border: 1px solid var(--border-def);
        }
        .promo-list { display: flex; flex-direction: column; gap: 16px; }
        .promo-card {
            background: var(--bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-def);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .usp-bar { display: flex; flex-direction: column; gap: 16px; margin: 2rem 0; }
        .usp-tile {
            background: var(--bg-surface);
            padding: 1.25rem;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 16px;
            align-items: center;
            border: 1px solid var(--border-def);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--accent); min-width: 30px; }
        .usp-content strong { display: block; color: var(--text-primary); margin-bottom: 4px; }
        .usp-content p { margin: 0; font-size: 0.875rem; color: var(--text-secondary); }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 1.5rem 0;
        }
        .payment-card {
            background: var(--bg-surface);
            padding: 1.25rem;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--border-def);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .payment-card i { font-size: 1.75rem; color: var(--accent); }
        .payment-card span { font-weight: 600; color: var(--text-primary); display: block; }
        .payment-card p { font-size: 0.75rem; color: var(--text-muted); margin: 0; }
        .guide-steps { display: flex; flex-direction: column; gap: 20px; }
        .step-item { display: flex; gap: 16px; align-items: flex-start; }
        .step-badge {
            background: var(--accent);
            color: var(--btn-text);
            min-width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .step-content h3 { margin: 0 0 8px 0; font-style: normal; }
        .step-content h3 a { color: inherit; }
        .mobile-section {
            background: var(--bg-surface);
            padding: 2rem 1.5rem;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--border-def);
            margin: 2rem 0;
        }
        .player-guide-item {
            background: var(--bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-def);
            margin-bottom: 16px;
        }
        .guide-meta { font-size: 0.75rem; color: var(--text-muted); display: block; margin-bottom: 8px; }
        .announcement-list { display: flex; flex-direction: column; gap: 16px; }
        .announcement-card {
            background: var(--bg-surface);
            padding: 1.25rem;
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--accent);
            display: flex;
            gap: 16px;
        }
        .announcement-card i { color: var(--accent); font-size: 1.25rem; margin-top: 4px; }
        .announcement-date { font-size: 0.75rem; color: var(--text-muted); display: block; margin-top: 8px; }
        .faq-item { border-bottom: 1px solid var(--border-def); margin-bottom: 1rem; }
        .faq-item summary { cursor: pointer; list-style: none; }
        .faq-item summary h3 { margin: 0; display: flex; justify-content: space-between; align-items: center; font-style: normal; color: var(--text-primary); }
        .faq-item p { padding: 1rem 0; color: var(--text-secondary); margin: 0; }
        .about-box { background: var(--bg-surface); padding: 2rem 1.5rem; border-radius: var(--radius-lg); border: 1px solid var(--border-def); margin: 2rem 0; }
        .team-card {
            background: var(--bg-elevated);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            margin-top: 1.5rem;
            border: 1px solid var(--border-brand);
        }
        .security-box { padding: 1.5rem 0; border-top: 1px solid var(--border-def); }
        .security-links { display: flex; flex-wrap: wrap; gap: 16px; margin: 1rem 0; }
        .security-links a { font-size: 0.875rem; background: var(--bg-elevated); padding: 4px 12px; border-radius: var(--radius-pill); border: 1px solid var(--border-def); }
        footer {
            margin-top: 3rem;
            padding: 2rem 0;
            border-top: 1px solid var(--border-def);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 2rem;
        }
        .footer-sitemap a { font-size: 0.875rem; color: var(--text-secondary); }
        .footer-contact { margin-bottom: 1.5rem; color: var(--text-secondary); }
        .footer-legal { font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-def);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--text-secondary);
            font-size: 0.75rem;
            flex: 1;
        }
        .nav-item i { font-size: 1.25rem; color: var(--text-secondary); }
        .nav-item:hover { color: var(--accent); }
        .nav-item:hover i { color: var(--accent); }
        .centered-wrapper { text-align: center; }
        .utility-link { font-size: 0.875rem; text-decoration: underline; color: var(--accent); }

        @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; }
            .promo-list { display: grid; grid-template-columns: repeat(3, 1fr); }
            .promo-card { text-align: center; }
        }
        @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: 1px 500px; }