:root {
            --brand-primary: #0A2540;
            --brand-primary-hover: #143A63;
            --brand-secondary: #C0C0C8;
            --brand-secondary-hover: #E2E2E8;
            --brand-accent: #00F5FF;
            --bg-main: #050B14;
            --bg-surface: #0D1726;
            --bg-elevated: #16233A;
            --text-primary: #E6F1FF;
            --text-secondary: #A0B4CC;
            --text-muted: #6B829E;
            --btn-bg: #00F5FF;
            --btn-text: #050B14;
            --btn-hover-bg: #70F9FF;
            --border-default: #1C2C44;
            --border-brand: #00F5FF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-pill: 9999px;
            --shadow-card: 0 10px 20px rgba(0, 0, 0, 0.4);
            --glow-cyan: 0 0 15px rgba(0, 245, 255, 0.5);
            --grad-brand: linear-gradient(135deg, #00F5FF 0%, #00B4D8 100%);
            --grad-hero: radial-gradient(circle at top right, #143A63 0%, #050B14 70%);
        }
        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: "Rajdhani", sans-serif; letter-spacing: -0.02em; line-height: 1.2; color: var(--text-primary); }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); margin-bottom: 1rem; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); margin-top: 2rem; margin-bottom: 1.25rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-bottom: 0.75rem; }
        a { text-decoration: none; color: var(--brand-accent); transition: color 0.3s ease; }
        a:hover { color: var(--btn-hover-bg); }
        img { max-width: 100%; height: auto; display: block; font-style: italic; }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            text-align: center;
        }
        .btn-primary { background: var(--btn-bg); color: var(--btn-text); box-shadow: var(--glow-cyan); }
        .btn-primary:hover { background: var(--btn-hover-bg); transform: translateY(-2px); }
        .btn-outline { background: transparent; border: 1px solid var(--brand-accent); color: var(--brand-accent); }
        .btn-outline:hover { background: rgba(0, 245, 255, 0.1); }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        .header-logo-link { display: flex; align-items: center; gap: 8px; }
        .header-logo-link strong { font-size: 16px; font-weight: normal; }
        .header-actions { display: flex; gap: 12px; }
        main { width: 100%; }
        .hero-section {
            background: var(--grad-hero);
            padding: 3rem 1rem;
            text-align: center;
            border-radius: var(--radius-lg);
            margin-bottom: 2rem;
        }
        .hero-intro { max-width: 700px; margin: 0 auto 2rem; color: var(--text-secondary); }
        .hero-cta { display: block; width: 100%; max-width: 400px; margin: 0 auto 1.5rem; }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
        .tag-pill {
            background: var(--bg-elevated);
            color: var(--brand-accent);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            border: 1px solid var(--border-default);
        }
        .banner-container { margin: 2rem 0; }
        .banner-img { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: var(--radius-md); }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 3rem;
        }
        .category-tile {
            background: var(--bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid var(--border-default);
            transition: border-color 0.3s ease;
        }
        .category-tile:hover { border-color: var(--brand-accent); }
        .category-tile i { font-size: 2rem; color: var(--brand-accent); margin-bottom: 10px; }
        .category-tile strong { display: block; margin-bottom: 5px; color: var(--text-primary); }
        .category-tile span { font-size: 0.85rem; color: var(--text-muted); }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 3rem;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: transform 0.3s ease;
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--brand-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(--text-primary); }
        .facts-container {
            background: var(--bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            margin-bottom: 3rem;
            border: 1px solid var(--border-default);
        }
        .freshness-notice { font-style: italic; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table tr { border-bottom: 1px solid var(--border-default); }
        .facts-table td { padding: 12px 0; color: var(--text-secondary); }
        .facts-table td:first-child { font-weight: 600; color: var(--text-primary); width: 40%; }
        .terms-link { display: block; margin-top: 1rem; font-size: 0.85rem; color: var(--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(--bg-elevated);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            border: 1px solid var(--border-default);
        }
        .promo-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 3rem; }
        .promo-card {
            background: var(--bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--brand-accent);
        }
        .usp-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 3rem; }
        .usp-tile {
            background: var(--bg-elevated);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }
        .usp-tile i { font-size: 1.5rem; color: var(--brand-accent); margin-top: 4px; }
        .usp-tile strong { display: block; color: var(--text-primary); margin-bottom: 5px; }
        .usp-tile p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 3rem;
        }
        .payment-card {
            background: var(--bg-surface);
            padding: 1.25rem;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid var(--border-default);
        }
        .payment-card i { font-size: 1.5rem; color: var(--brand-accent); margin-bottom: 10px; }
        .payment-card strong { display: block; margin-bottom: 8px; }
        .payment-card p { margin: 0; font-size: 0.8rem; color: var(--text-muted); }
        .guide-steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 3rem; }
        .step-item {
            display: flex;
            gap: 20px;
            background: var(--bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-md);
        }
        .step-num {
            background: var(--brand-accent);
            color: var(--btn-text);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }
        .step-content h3 a { color: inherit; }
        .mobile-section {
            background: var(--bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            text-align: center;
            margin-bottom: 3rem;
        }
        .player-guides { display: flex; flex-direction: column; gap: 20px; margin-bottom: 3rem; }
        .guide-card { background: var(--bg-elevated); padding: 1.5rem; border-radius: var(--radius-md); }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; display: block; }
        .announcement-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 3rem; }
        .announcement-item {
            background: var(--bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
            display: flex;
            gap: 15px;
        }
        .announcement-item i { color: var(--brand-accent); font-size: 1.2rem; margin-top: 4px; }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 8px; }
        .faq-container { display: flex; flex-direction: column; gap: 12px; margin-bottom: 3rem; }
        .faq-item details { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-md); }
        .faq-item summary { padding: 15px; cursor: pointer; list-style: none; color: var(--text-primary); }
        .faq-item summary h3 { margin: 0; font-size: 1.1rem; }
        .faq-item p { padding: 0 15px 15px; margin: 0; color: var(--text-secondary); }
        .about-section { background: var(--bg-surface); padding: 2rem; border-radius: var(--radius-lg); margin-bottom: 3rem; }
        .team-card {
            margin-top: 2rem;
            padding: 1.5rem;
            background: var(--bg-elevated);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-brand);
        }
        .security-section {
            background: var(--bg-elevated);
            padding: 2rem;
            border-radius: var(--radius-lg);
            margin-bottom: 3rem;
            border: 1px solid var(--border-default);
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 2rem;
            text-align: center;
        }
        .footer-sitemap a { color: var(--text-secondary); font-size: 0.9rem; }
        footer {
            border-top: 1px solid var(--border-default);
            padding: 2rem 0;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-contact { margin-bottom: 1.5rem; }
        .footer-contact a { color: var(--brand-accent); }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            padding: 10px 0 calc(10px + env(safe-area-inset-bottom));
            border-top: 1px solid var(--border-default);
            z-index: 1000;
        }
        .nav-item { text-align: center; color: var(--text-secondary); font-size: 0.7rem; flex: 1; }
        .nav-item i { display: block; font-size: 1.2rem; margin-bottom: 4px; color: var(--text-primary); }
        .nav-item strong { display: block; }
        .util-link { color: var(--brand-accent); text-decoration: underline; font-size: 0.9rem; }
        
        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); }
            .usp-grid { 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-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
        }