:root {
            --color-primary: #0F172A;
            --color-primary-hover: #1E293B;
            --color-secondary: #94A3B8;
            --color-secondary-hover: #CBD5E1;
            --color-accent: #00F5FF;
            --color-bg-main: #020617;
            --color-bg-surface: #0F172A;
            --color-bg-elevated: #1E293B;
            --color-text-primary: #F1F5F9;
            --color-text-secondary: #94A3B8;
            --color-text-muted: #64748B;
            --color-btn-bg: #00F5FF;
            --color-btn-text: #020617;
            --color-btn-hover-bg: #7DD3C7;
            --color-border: #1E293B;
            --color-border-strong: #334155;
            --color-border-brand: #00F5FF;
            --font-headings: 'Rajdhani', sans-serif;
            --font-body: 'Be Vietnam Pro', sans-serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-pill: 9999px;
            --shadow-card: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 15px rgba(0, 245, 255, 0.6);
            --grad-brand: linear-gradient(135deg, #00F5FF 0%, #00B4DB 100%);
            --grad-hero: radial-gradient(circle at center, #1E293B 0%, #020617 100%);
        }

        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));
            background-color: var(--color-bg-main);
            color: var(--color-text-primary);
            overflow-x: hidden;
        }

        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); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid var(--color-border);
        }
        .header-logo-link { display: flex; align-items: center; gap: 8px; }
        .header-logo-link strong { font-size: 16px; font-weight: normal; color: var(--color-text-primary); }
        .header-actions { display: flex; gap: 12px; }

        .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;
        }
        .btn-primary { background: var(--color-btn-bg); color: var(--color-btn-text); box-shadow: var(--shadow-glow); }
        .btn-primary:hover { background: var(--color-btn-hover-bg); }
        .btn-outline { background: transparent; color: var(--color-text-primary); border: 1px solid var(--color-border-brand); }
        .btn-outline:hover { background: rgba(0, 245, 255, 0.1); }
        .btn-full { width: 100%; }

        main { width: 100%; }

        .hero-section {
            padding: 2rem 0;
            text-align: center;
            background: var(--grad-hero);
            border-radius: var(--radius-lg);
            margin-bottom: 2rem;
        }
        h1 {
            font-family: var(--font-headings);
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--color-text-primary);
        }
        .hero-text { max-width: 800px; margin: 0 auto 2rem; color: var(--color-text-secondary); }
        .hero-tags { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 1.5rem; }
        .tag-pill {
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border-strong);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            color: var(--color-text-secondary);
        }

        .banner-wrap { margin-bottom: 2rem; display: block; }
        .banner-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-bottom: 2rem;
        }
        .category-tile {
            background: var(--color-bg-surface);
            border: 1px solid var(--color-border);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            text-align: center;
            transition: transform 0.2s, border-color 0.2s;
        }
        .category-tile:hover { transform: translateY(-5px); border-color: var(--color-accent); }
        .category-tile i { font-size: 2rem; color: var(--color-accent); margin-bottom: 1rem; }
        .category-tile span { display: block; font-weight: 700; margin-bottom: 0.5rem; color: var(--color-text-primary); }
        .category-tile p { font-size: 0.85rem; color: var(--color-text-secondary); margin: 0; }

        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;
            color: var(--color-text-primary);
            border-left: 4px solid var(--color-accent);
            padding-left: 1rem;
        }
        h3 {
            font-family: var(--font-headings);
            font-size: clamp(1.05rem, 4.2vw, 1.25rem);
            line-height: 1.3;
            color: var(--color-text-primary);
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 2rem;
        }
        .game-card {
            background: var(--color-bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: border-color 0.2s;
        }
        .game-card:hover { border-color: var(--color-accent); }
        .game-card img { aspect-ratio: 1 / 1; object-fit: cover; }
        .game-card h3 { padding: 12px; margin: 0; font-size: 1rem; text-align: center; }

        .facts-container {
            background: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            margin-bottom: 2rem;
            border: 1px solid var(--color-border);
        }
        .freshness-note { font-style: italic; font-size: 0.85rem; color: var(--color-text-secondary); margin-bottom: 1rem; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table tr { border-bottom: 1px solid var(--color-border); }
        .facts-table td { padding: 12px 8px; font-size: 0.95rem; }
        .facts-label { font-weight: 600; color: var(--color-text-secondary); width: 40%; }
        .facts-value { color: var(--color-text-primary); }
        .terms-link { display: block; margin-top: 1rem; font-size: 0.85rem; color: var(--color-text-muted); text-align: center; }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 1rem 0;
            margin-bottom: 2rem;
            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-strong);
        }

        .promo-list { display: grid; gap: 16px; margin-bottom: 2rem; }
        .promo-card {
            background: var(--color-bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            border-left: 5px solid var(--color-accent);
        }
        .promo-card h3 { margin-top: 0; margin-bottom: 1rem; }
        .promo-text { color: var(--color-text-secondary); margin-bottom: 1.5rem; }

        .usp-grid { display: grid; gap: 16px; margin-bottom: 2rem; }
        .usp-tile {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--color-bg-surface);
            padding: 1.25rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); margin-top: 4px; }
        .usp-content strong { display: block; margin-bottom: 4px; color: var(--color-text-primary); }
        .usp-content 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-bottom: 2rem;
        }
        .payment-card {
            background: var(--color-bg-surface);
            padding: 1.25rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            text-align: center;
        }
        .payment-card i { font-size: 2rem; color: var(--color-accent); margin-bottom: 1rem; }
        .payment-card strong { display: block; margin-bottom: 8px; }
        .payment-card p { font-size: 0.85rem; color: var(--color-text-secondary); margin: 0; }

        .guide-steps { display: grid; gap: 20px; margin-bottom: 2rem; }
        .guide-step {
            display: flex;
            gap: 16px;
            background: var(--color-bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .step-badge {
            min-width: 36px;
            height: 36px;
            background: var(--color-accent);
            color: var(--color-btn-text);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .step-content h3 { margin: 0 0 8px 0; }
        .step-content a { color: inherit; text-decoration: none; }

        .mobile-app-panel {
            background: var(--color-bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--color-border);
            margin-bottom: 2rem;
        }
        .mobile-app-panel p { margin-bottom: 2rem; color: var(--color-text-secondary); }

        .guide-item {
            background: var(--color-bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            margin-bottom: 16px;
        }
        .guide-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 1rem; display: block; }

        .announcement-list { display: grid; gap: 16px; margin-bottom: 2rem; }
        .announcement-card {
            background: var(--color-bg-surface);
            padding: 1.25rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            display: flex;
            gap: 16px;
        }
        .announcement-card i { font-size: 1.25rem; color: var(--color-accent); }
        .announcement-info h3 { margin: 0 0 8px 0; font-size: 1.1rem; }
        .announcement-info p { margin: 0 0 8px; font-size: 0.9rem; color: var(--color-text-secondary); }
        .announcement-date { font-size: 0.8rem; color: var(--color-text-muted); }

        .faq-list { display: grid; gap: 12px; margin-bottom: 2rem; }
        .faq-item { background: var(--color-bg-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; display: flex; align-items: center; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary h3 { margin: 0; font-size: 1rem; }
        .faq-answer { padding: 0 16px 16px; color: var(--color-text-secondary); font-size: 0.95rem; }

        .about-section {
            background: var(--color-bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            margin-bottom: 2rem;
        }
        .team-card {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid var(--color-border);
        }

        .security-footer {
            background: var(--color-bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            margin-bottom: 2rem;
        }
        .security-links { display: flex; gap: 16px; flex-wrap: wrap; margin: 1.5rem 0; }
        .security-link { background: var(--color-bg-elevated); padding: 8px 12px; border-radius: var(--radius-sm); font-size: 0.9rem; }

        footer {
            padding: 2rem 0;
            border-top: 1px solid var(--color-border);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 2rem;
            text-align: left;
        }
        .footer-contact { margin-bottom: 1.5rem; color: var(--color-text-secondary); }
        .footer-legal { font-size: 0.85rem; color: var(--color-text-muted); }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--color-bg-surface);
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom, 0px);
            z-index: 100;
        }
        .nav-item { text-align: center; color: var(--color-text-secondary); font-size: 0.75rem; }
        .nav-item i { display: block; font-size: 1.25rem; margin-bottom: 4px; }

        .util-link { color: var(--color-accent); font-weight: 600; text-decoration: underline; }

        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(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .footer-sitemap { grid-template-columns: repeat(5, 1fr); }
            .navigator { position: static; display: none; }
        }

        @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(7, 1fr); }
        }