:root {
            --color-primary: #0A192F;
            --color-primary-hover: #112240;
            --color-secondary: #C0C0C0;
            --color-secondary-hover: #E0E0E0;
            --color-accent: #00F5FF;
            --color-bg-main: #050B18;
            --color-bg-surface: #0B162B;
            --color-bg-elevated: #12213D;
            --color-text-primary: #E6F1FF;
            --color-text-secondary: #A8B2D1;
            --color-text-muted: #64748B;
            --color-btn-bg: #00F5FF;
            --color-btn-text: #050B18;
            --color-btn-hover-bg: #70F9FF;
            --color-border-default: #1E293B;
            --color-border-brand: #00F5FF;
            --font-headings: 'Barlow Condensed', sans-serif;
            --font-body: 'Be Vietnam Pro', sans-serif;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
            --radius-lg: 8px;
            --radius-pill: 9999px;
        }

        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;
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
            background-color: var(--color-bg-main);
            color: var(--color-text-primary);
        }

        img { 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-bg); }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: var(--radius-lg);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            text-align: center;
        }

        .btn-primary {
            background: linear-gradient(to bottom, #00F5FF 0%, #00D1DD 100%);
            color: var(--color-btn-text);
        }
        .btn-primary:hover { background: var(--color-btn-hover-bg); transform: translateY(-2px); }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover { background: rgba(0, 245, 255, 0.1); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid var(--color-border-default);
        }
        .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 {
            padding: 2rem 0;
            text-align: center;
        }
        .hero-section h1 {
            font-family: var(--font-headings);
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 1rem;
            font-style: italic;
        }
        .hero-intro {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 2rem;
            max-width: 800px;
            margin-inline: auto;
        }
        .hero-cta {
            display: block;
            width: 100%;
            margin-bottom: 1.5rem;
            font-size: 1.25rem;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
        }
        .tag-pill {
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border-default);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }

        .banner-link {
            display: block;
            width: 100%;
            aspect-ratio: 2 / 1;
            overflow: hidden;
            border-radius: var(--radius-lg);
            margin: 1rem 0;
        }

        .category-hub {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 2rem 0;
        }
        .category-tile {
            background: var(--color-bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-default);
            text-align: center;
            transition: border-color 0.3s;
        }
        .category-tile:hover { border-color: var(--color-accent); }
        .category-tile i {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .category-tile strong {
            display: block;
            font-size: 1.1rem;
            margin-bottom: 5px;
        }
        .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-bottom: 2rem;
        }
        .game-card {
            background: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-default);
            transition: transform 0.2s;
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--color-accent); }
        .game-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
        }
        .game-card h3 {
            font-size: 1rem;
            padding: 12px;
            margin: 0;
            text-align: center;
            color: var(--color-text-primary);
        }

        .facts-section {
            background: var(--color-bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            margin: 2rem 0;
            border: 1px solid var(--color-border-default);
        }
        .facts-section h2 {
            font-family: var(--font-headings);
            margin-top: 0;
        }
        .freshness-notice {
            font-style: italic;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .facts-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 1rem;
        }
        .facts-table td {
            padding: 12px;
            border-bottom: 1px solid var(--color-border-default);
        }
        .facts-table td:first-child {
            font-weight: 600;
            color: var(--color-text-secondary);
            width: 40%;
        }
        .terms-footer-link {
            display: block;
            text-align: center;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

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

        .promo-card {
            background: var(--color-bg-surface);
            border-left: 4px solid var(--color-accent);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            margin-bottom: 1rem;
            display: flex;
            flex-direction: column;
        }
        .promo-card h3 { margin-top: 0; }
        .promo-card p { color: var(--color-text-secondary); margin-bottom: 1.5rem; }

        .usp-grid {
            display: grid;
            gap: 1rem;
            margin: 2rem 0;
        }
        .usp-tile {
            display: flex;
            gap: 15px;
            background: var(--color-bg-surface);
            padding: 1.2rem;
            border-radius: var(--radius-lg);
            align-items: flex-start;
        }
        .usp-tile i {
            font-size: 1.5rem;
            color: var(--color-accent);
            padding-top: 4px;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 2rem 0;
        }
        .payment-card {
            background: var(--color-bg-surface);
            padding: 1.2rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-default);
            text-align: center;
        }
        .payment-card i {
            font-size: 1.8rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .payment-card strong { display: block; margin-bottom: 8px; }
        .payment-card p { font-size: 0.8rem; color: var(--color-text-secondary); margin: 0; }

        .guide-steps {
            display: grid;
            gap: 20px;
            margin: 2rem 0;
        }
        .step-item {
            display: flex;
            gap: 15px;
            background: var(--color-bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
        }
        .step-badge {
            background: var(--color-accent);
            color: var(--color-btn-text);
            min-width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .step-content h3 { margin: 0 0 10px 0; }
        .step-content a { color: inherit; }

        .app-section {
            background: var(--color-bg-elevated);
            padding: 2rem;
            border-radius: var(--radius-lg);
            text-align: center;
            margin: 2rem 0;
        }

        .player-guide-item {
            background: var(--color-bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            margin-bottom: 1rem;
            border: 1px solid var(--color-border-default);
        }
        .guide-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            display: block;
        }

        .announcement-card {
            background: var(--color-bg-surface);
            padding: 1.2rem;
            border-radius: var(--radius-lg);
            margin-bottom: 1rem;
            border-left: 3px solid var(--color-border-default);
        }
        .announcement-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .announcement-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 10px;
            display: block;
        }

        .faq-item {
            background: var(--color-bg-surface);
            margin-bottom: 1rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-default);
        }
        .faq-item summary {
            padding: 1.2rem;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary h3 {
            margin: 0;
            font-size: 1.1rem;
            color: var(--color-text-primary);
        }
        .faq-item p {
            padding: 0 1.2rem 1.2rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        .about-section {
            padding: 2rem 0;
            line-height: 1.8;
        }
        .team-card {
            background: var(--color-bg-elevated);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            margin-top: 2rem;
            border: 1px solid var(--color-border-brand);
        }

        .security-section {
            background: var(--color-bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            margin-bottom: 2rem;
        }

        footer {
            border-top: 1px solid var(--color-border-default);
            padding: 2rem 0;
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 2rem;
            text-align: center;
        }
        .footer-sitemap a {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
        }
        .footer-contact {
            margin-bottom: 1.5rem;
            color: var(--color-text-secondary);
        }
        .footer-legal {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background: var(--color-bg-surface);
            border-top: 1px solid var(--color-border-default);
            display: flex;
            justify-content: space-around;
            padding: 10px 0 calc(10px + env(safe-area-inset-bottom, 0px));
            z-index: 1000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 0.75rem;
            color: var(--color-text-secondary);
            gap: 4px;
        }
        .nav-item i { font-size: 1.2rem; }

        h2 {
            font-family: var(--font-headings);
            font-size: clamp(1.3rem, 5.2vw, 1.8rem);
            line-height: 1.25;
            margin-top: 2rem;
            margin-bottom: 1.5rem;
            font-style: italic;
        }

        section {
            content-visibility: auto;
            contain-intrinsic-size: 1px 500px;
        }

        @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); }
            .navigator { position: static; display: none; }
            .hero-section h1 { font-size: 3rem; }
        }

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