:root {
            --primary-color: #0A2463;
            --primary-hover: #15348C;
            --secondary-color: #C0C0C0;
            --secondary-hover: #E0E0E0;
            --accent-color: #00F5FF;
            --bg-main: #050B1A;
            --bg-surface: #0D162D;
            --bg-elevated: #162242;
            --text-primary: #E6EBF5;
            --text-secondary: #AAB4C8;
            --text-muted: #6B7B96;
            --text-link: #00F5FF;
            --text-link-hover: #70F9FF;
            --btn-bg: #00F5FF;
            --btn-text: #050B1A;
            --btn-hover-bg: #70F9FF;
            --border-default: #1C2D54;
            --border-strong: #2D427A;
            --border-brand: rgba(0, 245, 255, 0.4);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 24px;
            --radius-pill: 9999px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --glow-accent: 0 0 15px rgba(0, 245, 255, 0.5);
        }

        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);
        }
        img, video, iframe { max-width: 100%; height: auto; display: block; }
        a { color: var(--text-link); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--text-link-hover); }
        
        .btn-base {
            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: 600;
            cursor: pointer;
            transition: all 0.2s;
            border: none;
            text-align: center;
        }
        .btn-primary { background: var(--btn-bg); color: var(--btn-text); }
        .btn-primary:hover { background: var(--btn-hover-bg); box-shadow: var(--glow-accent); }
        .btn-outline { background: transparent; border: 1px solid var(--accent-color); color: var(--accent-color); }
        .btn-outline:hover { background: rgba(0, 245, 255, 0.1); }
        .btn-full { width: 100%; display: flex; }

        header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-default);
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 11, 26, 0.8);
            backdrop-filter: blur(10px);
        }
        .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 { width: 100%; }
        
        .hero-section { text-align: center; padding: 40px 0; }
        .hero-section h1 {
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        .hero-intro {
            max-width: 800px;
            margin: 0 auto 30px;
            color: var(--text-secondary);
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
        }
        .tag-pill {
            background: var(--bg-elevated);
            border: 1px solid var(--border-brand);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            color: var(--accent-color);
        }

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

        .category-hub {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 30px 0;
        }
        .cat-tile {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
            transition: transform 0.2s, border-color 0.2s;
        }
        .cat-tile:hover { transform: translateY(-5px); border-color: var(--accent-color); }
        .cat-tile i { font-size: 2rem; color: var(--accent-color); margin-bottom: 10px; }
        .cat-tile strong { display: block; margin-bottom: 8px; color: var(--text-primary); }
        .cat-tile span { font-size: 0.85rem; color: var(--text-muted); }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin: 20px 0;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: border-color 0.2s;
        }
        .game-card:hover { border-color: var(--accent-color); }
        .game-card img { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
        .game-card h3 {
            font-size: 0.95rem;
            padding: 12px;
            margin: 0;
            text-align: center;
            color: var(--text-primary);
        }

        .facts-container {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin: 30px 0;
            border: 1px solid var(--border-strong);
        }
        .facts-notice {
            font-size: 0.85rem;
            font-style: italic;
            color: var(--text-muted);
            margin-bottom: 15px;
        }
        .facts-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 15px;
        }
        .facts-table td {
            padding: 12px;
            border-bottom: 1px solid var(--border-default);
        }
        .facts-label { color: var(--text-secondary); width: 40%; }
        .facts-value { color: var(--text-primary); font-weight: 500; }
        .facts-footer-link { font-size: 0.8rem; color: var(--text-muted); display: block; text-align: center; }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 10px;
            padding: 10px 0;
            margin-bottom: 30px;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            background: var(--bg-elevated);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--border-default);
        }

        .promo-section { margin: 40px 0; }
        .promo-card {
            background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);
            border: 1px solid var(--border-brand);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
        }
        .promo-card h3 { margin-top: 0; color: var(--accent-color); }

        .usp-bar {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin: 30px 0;
        }
        .usp-tile {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            display: flex;
            gap: 15px;
            align-items: center;
            border-left: 4px solid var(--accent-color);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--accent-color); }
        .usp-content strong { display: block; color: var(--text-primary); }
        .usp-content span { font-size: 0.9rem; color: var(--text-secondary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 20px 0;
        }
        .payment-card {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
            text-align: center;
        }
        .payment-card i { font-size: 1.8rem; color: var(--accent-color); margin-bottom: 10px; }
        .payment-card strong { display: block; margin-bottom: 8px; }
        .payment-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

        .guide-list { margin: 30px 0; }
        .guide-step {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            margin-bottom: 15px;
            align-items: flex-start;
        }
        .step-number {
            background: var(--accent-color);
            color: var(--bg-main);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }
        .guide-step h3 { margin: 0 0 10px 0; font-size: 1.1rem; }
        .guide-step h3 a { color: inherit; }

        .player-guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            margin-bottom: 15px;
            border: 1px solid var(--border-default);
        }
        .meta-text { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; display: block; }

        .announcement-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            display: flex;
            gap: 15px;
            border: 1px solid var(--border-default);
        }
        .announcement-item i { color: var(--accent-color); margin-top: 4px; }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-top: 8px; }

        .faq-item {
            background: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
        }
        .faq-item summary {
            padding: 15px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary h3 { font-size: 1rem; margin: 0; color: var(--text-primary); }
        .faq-item p { padding: 0 15px 15px; color: var(--text-secondary); margin: 0; font-size: 0.95rem; }

        .trust-card {
            background: var(--bg-elevated);
            padding: 24px;
            border-radius: var(--radius-lg);
            margin-top: 30px;
            border: 1px solid var(--border-brand);
        }

        footer {
            background: var(--bg-surface);
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 1px solid var(--border-strong);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 800px;
            margin: 0 auto 30px;
            text-align: left;
        }
        .footer-contact { margin-bottom: 20px; font-size: 0.9rem; }
        .footer-legal { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: rgba(13, 22, 45, 0.95);
            backdrop-filter: blur(10px);
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-top: 1px solid var(--border-default);
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }
        .nav-item i { font-size: 1.2rem; color: var(--text-secondary); }
        .nav-item:hover { color: var(--accent-color); }
        .nav-item:hover i { color: var(--accent-color); }

        section { content-visibility: auto; contain-intrinsic-size: 500px; padding: 40px 0; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .category-hub { grid-template-columns: repeat(3, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .usp-bar { grid-template-columns: repeat(2, 1fr); }
            .navigator { display: none; }
            header { padding-inline: 24px; }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .category-hub { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(7, 1fr); }
            .usp-bar { grid-template-columns: repeat(4, 1fr); }
        }

        .utility-link { font-size: 0.9rem; text-align: center; display: block; margin-top: 20px; color: var(--accent-color); font-weight: 500; }