:root {
            --color-primary: #0A192F;
            --color-primary-hover: #112240;
            --color-secondary: #B0B8C1;
            --color-secondary-hover: #CFD8DC;
            --color-accent: #00F5FF;
            --color-bg-main: #050C1A;
            --color-bg-surface: #0B162A;
            --color-bg-elevated: #13223D;
            --color-text-primary: #E6F1FF;
            --color-text-secondary: #A0AEC0;
            --color-text-muted: #718096;
            --color-link: #00F5FF;
            --color-link-hover: #70F8FF;
            --color-btn-bg: #00F5FF;
            --color-btn-text: #050C1A;
            --color-btn-hover: #70F8FF;
            --color-border: #1E293B;
            --color-border-strong: #334155;
            --color-border-brand: #00F5FF;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-pill: 9999px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 15px rgba(0, 245, 255, 0.6);
            --grad-brand: linear-gradient(135deg, #00F5FF 0%, #00B4D8 100%);
            --grad-hero: radial-gradient(circle at center, #112240 0%, #050C1A 100%);
            --grad-btn: linear-gradient(to bottom, #70F8FF 0%, #00F5FF 100%);
        }

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

        h1, h2, h3 {
            font-family: 'Rajdhani', sans-serif;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-top: 2rem;
            color: var(--color-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-bottom: 1.5rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-bottom: 1rem; }

        a { color: var(--color-link); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--color-link-hover); }

        img { max-width: 100%; height: auto; display: block; }

        .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: transform 0.2s, background 0.2s;
            border: none;
            text-align: center;
        }

        .btn-primary {
            background: var(--grad-btn);
            color: var(--color-btn-text);
        }

        .btn-primary:hover {
            background: var(--color-btn-hover);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: var(--color-bg-elevated);
            color: var(--color-text-primary);
            border: 1px solid var(--color-border-brand);
        }

        .btn-secondary:hover {
            background-color: var(--color-primary-hover);
        }

        header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
            max-width: 1200px;
            margin: 0 auto;
        }

        .header-brand {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-brand strong {
            font-size: 16px;
            font-weight: 400;
            color: var(--color-text-primary);
        }

        .header-nav {
            display: flex;
            gap: 12px;
        }

        .hero-section {
            text-align: center;
            padding: 3rem 0;
            background: var(--grad-hero);
            border-radius: var(--radius-lg);
            margin-bottom: 2rem;
        }

        .hero-intro {
            max-width: 800px;
            margin: 0 auto 2rem;
            padding: 0 1rem;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 2rem;
        }

        .hero-tag {
            background-color: var(--color-bg-elevated);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.875rem;
        }

        .banner-link {
            display: block;
            margin-bottom: 2rem;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .banner-img {
            width: 100%;
            aspect-ratio: 2 / 1;
            object-fit: cover;
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 3rem;
        }

        .category-tile {
            background-color: var(--color-bg-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            transition: border-color 0.3s;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .category-tile:hover {
            border-color: var(--color-accent);
        }

        .category-tile i {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .category-tile span {
            display: block;
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--color-text-primary);
        }

        .category-tile p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 3rem;
        }

        .game-card {
            background-color: var(--color-bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: transform 0.2s, border-color 0.2s;
            text-decoration: none;
        }

        .game-card:hover {
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
        }

        .game-card h3 {
            font-size: 1rem;
            margin: 0;
            padding: 12px;
            text-align: center;
            color: var(--color-text-primary);
        }

        .facts-container {
            background-color: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 3rem;
            border: 1px solid var(--color-border);
        }

        .freshness-notice {
            font-style: italic;
            color: var(--color-text-muted);
            font-size: 0.875rem;
            margin-bottom: 1.5rem;
            display: block;
        }

        .facts-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 1rem;
        }

        .facts-table tr {
            border-bottom: 1px solid var(--color-border);
        }

        .facts-table td {
            padding: 12px 8px;
            vertical-align: top;
        }

        .facts-label {
            font-weight: 600;
            color: var(--color-text-secondary);
            width: 40%;
        }

        .facts-value {
            color: var(--color-text-primary);
        }

        .terms-link {
            display: block;
            text-align: center;
            font-size: 0.875rem;
            color: var(--color-text-muted);
        }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding-bottom: 12px;
            margin-bottom: 3rem;
            scrollbar-width: thin;
        }

        .toc-link {
            background-color: var(--color-bg-elevated);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--color-border);
        }

        .promo-grid {
            display: grid;
            gap: 20px;
            margin-bottom: 3rem;
        }

        .promo-card {
            background: var(--color-bg-surface);
            border-left: 4px solid var(--color-accent);
            padding: 24px;
            border-radius: var(--radius-lg);
            display: flex;
            flex-direction: column;
            gap: 12px;
            box-shadow: var(--shadow-card);
        }

        .usp-grid {
            display: grid;
            gap: 20px;
            margin-bottom: 3rem;
        }

        .usp-tile {
            display: flex;
            gap: 16px;
            padding: 20px;
            background-color: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            align-items: flex-start;
            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;
            font-size: 1.1rem;
            margin-bottom: 4px;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 3rem;
        }

        .payment-card {
            background-color: var(--color-bg-surface);
            padding: 16px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .payment-card i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .payment-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
        }

        .guide-steps {
            display: grid;
            gap: 20px;
            margin-bottom: 3rem;
        }

        .step-card {
            display: flex;
            gap: 16px;
            background-color: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            align-items: center;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--grad-brand);
            color: var(--color-btn-text);
            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;
        }

        .step-content a {
            color: inherit;
        }

        .mobile-section {
            background-color: var(--color-bg-surface);
            padding: 32px;
            border-radius: var(--radius-lg);
            text-align: center;
            margin-bottom: 3rem;
            border: 1px solid var(--color-border);
        }

        .player-guides {
            display: grid;
            gap: 20px;
            margin-bottom: 3rem;
        }

        .guide-item {
            background-color: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }

        .guide-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            display: block;
        }

        .announcement-grid {
            display: grid;
            gap: 16px;
            margin-bottom: 3rem;
        }

        .announcement-item {
            background-color: var(--color-bg-surface);
            padding: 16px;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 12px;
            border: 1px solid var(--color-border);
        }

        .announcement-item i {
            color: var(--color-accent);
            font-size: 1.2rem;
        }

        .announcement-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: block;
            margin-top: 8px;
        }

        .faq-section {
            margin-bottom: 3rem;
        }

        .faq-item {
            margin-bottom: 12px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background-color: var(--color-bg-surface);
        }

        .faq-item summary {
            padding: 16px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item summary h3 {
            margin: 0;
            font-size: 1.1rem;
        }

        .faq-answer {
            padding: 0 16px 16px;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
        }

        .about-section {
            background-color: var(--color-bg-surface);
            padding: 32px;
            border-radius: var(--radius-lg);
            margin-bottom: 3rem;
            border: 1px solid var(--color-border);
        }

        .team-card {
            margin-top: 24px;
            padding: 20px;
            background-color: var(--color-bg-elevated);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-strong);
        }

        .security-section {
            background-color: var(--color-bg-surface);
            padding: 32px;
            border-radius: var(--radius-lg);
            margin-bottom: 3rem;
            border: 1px solid var(--color-border);
        }

        .security-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }

        footer {
            margin-top: 4rem;
            padding: 40px 0;
            border-top: 1px solid var(--color-border);
            text-align: center;
        }

        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            max-width: 800px;
            margin: 0 auto 32px;
            text-align: left;
        }

        .footer-contact {
            margin-bottom: 24px;
            color: var(--color-text-secondary);
        }

        .footer-legal {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            max-width: 700px;
            margin: 0 auto;
        }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background-color: var(--color-bg-surface);
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-around;
            padding: 12px 0 calc(12px + 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(--color-text-secondary);
        }

        .nav-item i {
            font-size: 1.2rem;
        }

        .nav-item:hover {
            color: var(--color-accent);
        }

        .utility-link {
            text-align: center;
            display: block;
            margin-top: 1rem;
            font-weight: 600;
            color: var(--color-accent);
        }

        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(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; display: none; }
            header { padding: 2rem 0; }
        }

        @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); }
            .footer-sitemap { grid-template-columns: repeat(5, 1fr); }
        }