:root {
            --color-primary: #0F2B5B;
            --color-primary-hover: #1A3E85;
            --color-secondary: #C0C0C8;
            --color-secondary-hover: #D9D9E3;
            --color-accent: #00F5FF;
            --color-bg-main: #050D1A;
            --color-bg-surface: #0D1728;
            --color-bg-elevated: #16223A;
            --color-text-primary: #E6EEF5;
            --color-text-secondary: #B0BCCB;
            --color-text-muted: #7A8B9C;
            --color-btn-bg: #00F5FF;
            --color-btn-text: #050D1A;
            --color-btn-hover: #70F8FF;
            --color-border: #1C2D4D;
            --color-border-strong: #2D426B;
            --color-border-brand: rgba(0, 245, 255, 0.4);
            --radius-sm: 4px;
            --radius-md: 12px;
            --radius-lg: 24px;
            --radius-pill: 9999px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --grad-brand: linear-gradient(135deg, #0F2B5B 0%, #00F5FF 100%);
            --grad-btn: linear-gradient(180deg, #00F5FF 0%, #00D1DB 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;
            color: var(--color-text-primary);
            background-color: var(--color-bg-main);
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        .header-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            color: var(--color-text-primary);
        }
        .header-brand strong {
            font-size: 16px;
            font-weight: 400;
        }
        .header-actions {
            display: flex;
            gap: 10px;
        }
        .btn-nav {
            text-decoration: none;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: background 0.2s;
        }
        .btn-login {
            color: var(--color-text-primary);
            border: 1px solid var(--color-border-strong);
        }
        .btn-register {
            background-color: var(--color-btn-bg);
            color: var(--color-btn-text);
        }
        main {
            max-width: 1200px;
            margin: 0 auto;
        }
        .hero-section {
            padding: 40px 0;
            text-align: center;
        }
        h1 {
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--color-text-primary);
        }
        .hero-intro {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 30px;
            max-width: 800px;
            margin-inline: auto;
        }
        .btn-hero-cta {
            display: block;
            width: 100%;
            background: var(--grad-btn);
            color: var(--color-btn-text);
            text-decoration: none;
            padding: 16px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.2rem;
            box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
            transition: transform 0.2s;
        }
        .btn-hero-cta:hover { transform: scale(1.01); }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 25px;
        }
        .tag-pill {
            background: var(--color-bg-elevated);
            border: 1px solid var(--color-border-brand);
            color: var(--color-accent);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
        }
        .banner-wrap {
            display: block;
            margin: 20px 0;
        }
        .banner-wrap img {
            width: 100%;
            aspect-ratio: 2 / 1;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 30px 0;
        }
        .cat-tile {
            background: var(--color-bg-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            text-decoration: none;
            color: var(--color-text-primary);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            transition: background 0.3s;
            backdrop-filter: blur(10px);
        }
        .cat-tile:hover { background: var(--color-bg-elevated); }
        .cat-tile i {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .cat-tile strong { display: block; margin-bottom: 8px; font-size: 1.1rem; }
        .cat-tile span { font-size: 0.85rem; color: var(--color-text-muted); }
        .game-section { margin-top: 40px; }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 20px;
        }
        .game-card {
            background: var(--color-bg-surface);
            border-radius: var(--radius-md);
            text-decoration: none;
            color: var(--color-text-primary);
            overflow: hidden;
            border: 1px solid var(--color-border);
            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 {
            padding: 12px;
            margin: 0;
            font-size: 1rem;
            text-align: center;
        }
        .facts-section {
            margin: 40px 0;
            background: var(--color-bg-surface);
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .facts-notice {
            font-style: italic;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
            display: block;
        }
        .facts-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 20px;
        }
        .facts-table td {
            padding: 12px;
            border-bottom: 1px solid var(--color-border);
        }
        .facts-label { color: var(--color-text-muted); font-weight: 500; width: 40%; }
        .facts-value { color: var(--color-text-primary); text-align: right; }
        .facts-terms {
            display: block;
            text-align: center;
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            text-decoration: none;
        }
        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 15px;
            padding: 20px 0;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            background: var(--color-bg-elevated);
            color: var(--color-text-primary);
            text-decoration: none;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--color-border);
        }
        .promo-grid { display: flex; flex-direction: column; gap: 20px; margin-top: 20px; }
        .promo-card {
            background: var(--color-bg-surface);
            border: 1px solid var(--color-border-brand);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .promo-card h3 { margin: 0; color: var(--color-accent); }
        .btn-promo {
            align-self: flex-start;
            text-decoration: none;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: var(--color-text-primary);
            font-weight: 600;
            transition: background 0.2s;
        }
        .btn-promo:hover { background: var(--color-primary-hover); }
        .usp-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin: 30px 0;
        }
        .usp-tile {
            display: flex;
            gap: 15px;
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            align-items: center;
        }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); }
        .usp-content strong { display: block; font-size: 1.1rem; }
        .usp-content p { margin: 0; font-size: 0.9rem; color: var(--color-text-muted); }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 20px;
        }
        .pay-card {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .pay-card i { font-size: 2rem; color: var(--color-accent); }
        .pay-card strong { display: block; margin-bottom: 5px; }
        .pay-card p { margin: 0; font-size: 0.8rem; color: var(--color-text-muted); }
        .guide-steps { display: flex; flex-direction: column; gap: 20px; margin-top: 20px; }
        .step-item {
            display: flex;
            gap: 20px;
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
        }
        .step-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            color: var(--color-bg-main);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }
        .step-content h3 { margin: 0 0 10px 0; }
        .step-content h3 a { color: inherit; text-decoration: none; }
        .download-box {
            background: var(--color-bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--color-border);
            margin-top: 20px;
        }
        .btn-download {
            display: inline-block;
            background: var(--grad-btn);
            color: var(--color-btn-text);
            text-decoration: none;
            padding: 14px 30px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            margin-top: 20px;
        }
        .player-guides { margin-top: 20px; }
        .guide-item {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            margin-bottom: 15px;
        }
        .guide-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 10px; display: block; }
        .announcements { margin-top: 20px; }
        .ann-item {
            display: flex;
            gap: 15px;
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            margin-bottom: 15px;
        }
        .ann-item i { color: var(--color-accent); font-size: 1.2rem; margin-top: 4px; }
        .ann-body h3 { margin: 0 0 8px 0; font-size: 1.1rem; }
        .ann-body p { margin: 0 0 8px 0; font-size: 0.9rem; color: var(--color-text-secondary); }
        .ann-date { font-size: 0.8rem; color: var(--color-text-muted); }
        .faq-section { margin-top: 40px; }
        .faq-item {
            background: var(--color-bg-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-item summary {
            padding: 16px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--color-bg-surface);
        }
        .faq-item summary h3 { margin: 0; font-size: 1.05rem; }
        .faq-answer { padding: 16px; border-top: 1px solid var(--color-border); color: var(--color-text-secondary); font-size: 0.95rem; }
        .about-box {
            background: var(--color-bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            margin-top: 20px;
        }
        .team-card {
            background: var(--color-bg-elevated);
            padding: 20px;
            border-radius: var(--radius-md);
            margin-top: 25px;
            border-left: 4px solid var(--color-accent);
        }
        .security-section {
            margin-top: 40px;
            padding: 30px;
            background: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .rg-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }
        .rg-link {
            color: var(--color-accent);
            text-decoration: none;
            font-size: 0.9rem;
            border: 1px solid var(--color-accent);
            padding: 5px 15px;
            border-radius: var(--radius-pill);
        }
        footer {
            background: var(--color-bg-surface);
            padding: 40px 0 20px 0;
            margin-top: 60px;
            border-top: 1px solid var(--color-border);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 800px;
            margin: 0 auto 30px auto;
            text-align: left;
        }
        .footer-link {
            color: var(--color-text-secondary);
            text-decoration: none;
            font-size: 0.85rem;
        }
        .footer-contact {
            margin-bottom: 20px;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
        }
        .footer-contact a { color: var(--color-accent); text-decoration: none; }
        .footer-legal {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.5;
        }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: rgba(13, 23, 40, 0.9);
            backdrop-filter: blur(15px);
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: var(--color-text-secondary);
            font-size: 0.7rem;
            gap: 4px;
        }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--color-accent); }
        .util-link { color: var(--color-accent); text-decoration: none; font-weight: 500; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .cat-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; }
            body { padding-bottom: 0; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .cat-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(7, 1fr); }
        }
        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }