:root {
            --brand-primary: #005F6B;
            --brand-primary-hover: #007A8B;
            --brand-secondary: #F5F5F0;
            --brand-accent: #FF6B6B;
            --bg-main: #001C20;
            --bg-surface: #002930;
            --bg-elevated: #00373E;
            --text-primary: #E8F1F2;
            --text-secondary: #B0C4C6;
            --text-muted: #7A9295;
            --text-link: #FF8E8E;
            --btn-bg: #FF6B6B;
            --btn-text: #FFFFFF;
            --btn-hover: #FF8585;
            --border-default: #003D45;
            --radius-md: 4px;
            --radius-lg: 8px;
            --shadow-card: 4px 4px 0px rgba(0, 0, 0, 0.4);
        }
        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(--bg-main);
            color: var(--text-primary);
            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: 15px 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        .header-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-primary);
        }
        .header-logo-link strong {
            font-size: 16px;
            font-weight: normal;
        }
        .header-actions {
            display: flex;
            gap: 10px;
        }
        .btn-nav {
            text-decoration: none;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            transition: background 0.2s;
        }
        .btn-login { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-default); }
        .btn-register { background: var(--btn-bg); color: var(--btn-text); }
        .btn-register:hover { background: var(--btn-hover); }

        main { max-width: 1200px; margin: 0 auto; }
        
        .hero-section { padding: 40px 0; text-align: center; }
        .hero-section h1 {
            font-family: 'Oswald', sans-serif;
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        .hero-intro {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .hero-cta {
            display: block;
            width: 100%;
            background: linear-gradient(to bottom, #FF8585 0%, #FF6B6B 100%);
            color: #FFFFFF;
            text-decoration: none;
            padding: 18px;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 1.2rem;
            text-transform: uppercase;
            box-shadow: 0 0 15px rgba(255, 107, 107, 0.5);
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 25px;
        }
        .hero-tag {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            padding: 5px 12px;
            border-radius: 9999px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .banner-link { display: block; width: 100%; margin: 20px 0; }
        .banner-link 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: 15px;
            margin: 40px 0;
        }
        .category-tile {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            padding: 20px;
            border-radius: var(--radius-lg);
            text-decoration: none;
            color: var(--text-primary);
            text-align: center;
            transition: transform 0.2s;
            box-shadow: var(--shadow-card);
        }
        .category-tile:hover { transform: translateY(-5px); }
        .category-tile i { font-size: 2rem; margin-bottom: 10px; color: var(--brand-accent); }
        .category-tile strong { display: block; font-size: 1.1rem; margin-bottom: 8px; }
        .category-tile span { font-size: 0.85rem; color: var(--text-muted); line-height: 1.4; }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 40px;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            text-decoration: none;
            color: var(--text-primary);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: opacity 0.2s;
        }
        .game-card:hover { opacity: 0.9; }
        .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; }

        .facts-container {
            background: var(--bg-surface);
            padding: 25px;
            border-radius: var(--radius-lg);
            margin: 40px 0;
            border: 1px solid var(--border-default);
        }
        .facts-notice {
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .facts-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 15px;
        }
        .facts-table td {
            padding: 12px;
            border-bottom: 1px solid var(--border-default);
        }
        .facts-label { font-weight: 600; color: var(--text-secondary); width: 40%; }
        .facts-value { color: var(--text-primary); }
        .facts-footer { font-size: 0.85rem; text-align: center; }
        .facts-footer a { color: var(--text-link); text-decoration: none; }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 10px;
            padding: 15px 0;
            margin: 20px 0;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            background: var(--bg-elevated);
            color: var(--text-primary);
            text-decoration: none;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--border-default);
        }

        .promo-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
        .promo-card {
            background: var(--bg-surface);
            padding: 25px;
            border-radius: var(--radius-lg);
            border-left: 5px solid var(--brand-accent);
            box-shadow: var(--shadow-card);
        }
        .promo-card h3 { margin-top: 0; color: var(--text-primary); }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; }
        .promo-cta {
            display: inline-block;
            background: var(--btn-bg);
            color: #fff;
            text-decoration: none;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
        }

        .usp-bar { display: flex; flex-direction: column; gap: 15px; margin-bottom: 40px; }
        .usp-tile {
            background: var(--bg-elevated);
            padding: 20px;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 15px;
            align-items: center;
        }
        .usp-tile i { font-size: 1.5rem; color: var(--brand-accent); min-width: 30px; }
        .usp-content strong { display: block; font-size: 1.1rem; margin-bottom: 4px; }
        .usp-content span { color: var(--text-secondary); font-size: 0.9rem; }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 40px;
        }
        .pay-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--border-default);
        }
        .pay-card i { font-size: 1.8rem; margin-bottom: 10px; color: var(--text-primary); }
        .pay-card strong { display: block; margin-bottom: 8px; }
        .pay-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

        .guide-steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
        .step-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .step-num {
            background: var(--brand-accent);
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .step-card h3 { margin: 0 0 10px 0; font-size: 1.1rem; }
        .step-card h3 a { color: inherit; text-decoration: none; }
        .step-card p { margin: 0; color: var(--text-secondary); font-size: 0.95rem; }

        .download-panel {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            text-align: center;
            margin-bottom: 40px;
            border: 2px dashed var(--border-default);
        }
        .download-btn {
            display: inline-block;
            background: var(--btn-bg);
            color: #fff;
            text-decoration: none;
            padding: 15px 30px;
            border-radius: var(--radius-md);
            font-weight: 700;
            margin-top: 20px;
        }

        .player-guide-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            border-bottom: 3px solid var(--brand-primary);
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }

        .announcement-list { display: flex; flex-direction: column; gap: 15px; margin-bottom: 40px; }
        .announcement-card {
            background: var(--bg-elevated);
            padding: 20px;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 15px;
        }
        .announcement-card i { color: var(--brand-accent); }
        .announcement-content h3 { margin: 0 0 8px 0; font-size: 1.1rem; }
        .announcement-content p { margin: 0 0 8px 0; font-size: 0.9rem; color: var(--text-secondary); }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); }

        .faq-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 40px; }
        .faq-item { background: var(--bg-surface); border-radius: var(--radius-lg); overflow: hidden; }
        .faq-item summary { padding: 15px; cursor: pointer; list-style: none; font-weight: 600; }
        .faq-item summary h3 { display: inline; font-size: 1.1rem; margin: 0; }
        .faq-answer { padding: 15px; color: var(--text-secondary); border-top: 1px solid var(--border-default); }

        .about-section {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            margin-bottom: 40px;
        }
        .team-card {
            margin-top: 25px;
            padding: 20px;
            background: var(--bg-elevated);
            border-radius: var(--radius-lg);
            border: 1px solid var(--brand-primary);
        }
        .team-card h3 { margin-top: 0; color: var(--brand-accent); }

        .security-panel {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            margin-bottom: 40px;
            border: 1px solid var(--border-default);
        }
        .security-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 20px; }
        .security-item { display: flex; gap: 10px; align-items: center; font-size: 0.9rem; }
        .security-item i { color: var(--brand-accent); }
        .security-links { display: flex; gap: 20px; margin: 20px 0; }
        .security-links a { color: var(--text-link); font-size: 0.9rem; text-decoration: none; }

        footer {
            background: var(--bg-surface);
            padding: 40px 0 20px;
            margin-top: 60px;
            border-top: 4px solid var(--brand-primary);
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 30px;
            text-align: center;
        }
        .footer-sitemap a { color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; }
        .footer-contact { text-align: center; margin-bottom: 20px; color: var(--text-secondary); }
        .footer-contact a { color: var(--text-primary); text-decoration: none; }
        .footer-legal { text-align: center; font-size: 0.8rem; color: var(--text-muted); padding: 0 20px; }

        .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: 100;
        }
        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 0.7rem;
            gap: 4px;
        }
        .nav-item i { font-size: 1.2rem; }

        .utility-link { text-align: center; margin-top: 15px; }
        .utility-link a { color: var(--text-link); text-decoration: none; font-size: 0.9rem; }

        h2 { font-family: 'Oswald', sans-serif; font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; color: var(--text-primary); }
        
        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); }
            .security-grid { grid-template-columns: repeat(2, 1fr); }
            .navigator { display: none; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .category-grid { grid-template-columns: repeat(4, 1fr); }
        }