:root {
            --primary: #0B3D2E;
            --primary-hover: #145A43;
            --secondary: #D4AF37;
            --secondary-hover: #E5C76B;
            --accent: #FFD300;
            --bg-main: #051A14;
            --bg-surface: #0A261D;
            --bg-elevated: #11352B;
            --text-primary: #F1F5F2;
            --text-secondary: #BCCBC3;
            --text-muted: #7A8C85;
            --border-default: #1B453A;
            --border-brand: #D4AF37;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.4);
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-pill: 9999px;
            --grad-brand: linear-gradient(135deg, #0B3D2E 0%, #051A14 100%);
            --grad-hero: radial-gradient(circle at center, #11352B 0%, #051A14 100%);
            --grad-btn: linear-gradient(to bottom, #D4AF37 0%, #B8860B 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(--text-primary);
            background-color: var(--bg-main);
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }
        h1, h2, h3 { font-family: 'Playfair Display', serif; color: var(--secondary); margin-top: 0; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-bottom: 1rem; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; margin-bottom: 1.5rem; border-left: 4px solid var(--secondary); padding-left: 1rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 0.75rem; }

        a { color: var(--secondary); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: var(--accent); }

        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 ease, background 0.3s ease;
            border: none;
            text-align: center;
        }
        .btn-primary { background: var(--grad-btn); color: #051A14; }
        .btn-primary:hover { background: var(--accent); transform: translateY(-2px); }
        .btn-outline { border: 1px solid var(--secondary); color: var(--secondary); background: transparent; }
        .btn-outline:hover { background: rgba(212, 175, 55, 0.1); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-default);
        }
        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        .header-actions { 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 auto; padding: 0 1rem; color: var(--text-secondary); }
        .hero-cta { display: block; width: 100%; max-width: 400px; margin: 0 auto; font-size: 1.2rem; }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 2rem; }
        .hero-tag { background: var(--bg-elevated); color: var(--secondary); padding: 6px 14px; border-radius: var(--radius-pill); font-size: 0.85rem; border: 1px solid var(--border-default); }

        .banner-link { display: block; width: 100%; margin-bottom: 2rem; }
        .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: 16px; margin-bottom: 3rem; }
        .category-tile { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 1px solid var(--border-default); 
            transition: border-color 0.3s ease;
        }
        .category-tile:hover { border-color: var(--secondary); }
        .category-tile i { font-size: 2rem; color: var(--secondary); margin-bottom: 12px; }
        .category-tile span { display: block; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
        .category-tile p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

        .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); 
            text-decoration: none; 
            transition: transform 0.3s ease; 
        }
        .game-card:hover { transform: translateY(-5px); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { font-size: 1rem; text-align: center; padding: 12px; margin: 0; color: var(--text-primary); }

        .facts-wrapper { background: var(--bg-surface); border-radius: var(--radius-lg); padding: 24px; border: 1px solid var(--border-default); }
        .freshness-notice { font-style: italic; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1rem; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; }
        .facts-table td { padding: 12px; border-bottom: 1px solid var(--border-default); }
        .facts-label { color: var(--text-secondary); font-weight: 500; width: 40%; }
        .facts-value { color: var(--text-primary); }
        .facts-footer { font-size: 0.85rem; text-align: center; }

        .toc-nav { 
            display: flex; 
            overflow-x: auto; 
            gap: 12px; 
            padding: 1rem 0; 
            margin-bottom: 2rem; 
            scrollbar-width: none; 
            -ms-overflow-style: 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-card { 
            background: var(--bg-surface); 
            border-radius: var(--radius-lg); 
            padding: 24px; 
            margin-bottom: 16px; 
            border-left: 6px solid var(--secondary); 
            box-shadow: var(--shadow-card); 
        }
        .promo-card h3 { margin-bottom: 1rem; }
        .promo-card p { margin-bottom: 1.5rem; color: var(--text-secondary); }

        .usp-grid { display: grid; gap: 16px; margin-bottom: 3rem; }
        .usp-item { 
            display: flex; 
            align-items: center; 
            gap: 16px; 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--border-default); 
        }
        .usp-item i { font-size: 1.5rem; color: var(--secondary); }
        .usp-content strong { display: block; color: var(--text-primary); margin-bottom: 4px; }
        .usp-content p { margin: 0; font-size: 0.9rem; color: var(--text-muted); }

        .guide-step { 
            display: flex; 
            gap: 20px; 
            padding: 20px; 
            background: var(--bg-surface); 
            border-radius: var(--radius-lg); 
            margin-bottom: 16px; 
            border: 1px solid var(--border-default); 
        }
        .step-badge { 
            min-width: 40px; 
            height: 40px; 
            background: var(--secondary); 
            color: var(--bg-main); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 700; 
            font-size: 1.2rem; 
        }
        .step-content h3 { margin-top: 0; color: var(--secondary); }
        .step-content a { color: inherit; }

        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 3rem; }
        .payment-card { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--border-default); 
            text-align: center; 
        }
        .payment-card i { font-size: 1.5rem; color: var(--secondary); margin-bottom: 8px; }
        .payment-card strong { display: block; margin-bottom: 8px; }
        .payment-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

        .download-panel { 
            background: var(--bg-elevated); 
            padding: 32px 20px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 1px solid var(--border-brand); 
        }
        .download-panel p { margin-bottom: 24px; color: var(--text-secondary); }

        .guide-item { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            margin-bottom: 16px; 
            border: 1px solid var(--border-default); 
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; display: block; }

        .announcement-item { 
            display: flex; 
            gap: 16px; 
            padding: 16px; 
            background: var(--bg-surface); 
            border-radius: var(--radius-md); 
            margin-bottom: 12px; 
            border-bottom: 2px solid var(--border-default); 
        }
        .announcement-item i { color: var(--secondary); margin-top: 4px; }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-top: 8px; }

        .faq-item { background: var(--bg-surface); border-radius: var(--radius-lg); margin-bottom: 12px; border: 1px solid var(--border-default); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; outline: none; }
        .faq-item summary h3 { margin: 0; font-size: 1.1rem; color: var(--text-primary); }
        .faq-answer { padding: 0 16px 16px 16px; color: var(--text-secondary); }

        .about-section { background: var(--bg-surface); padding: 24px; border-radius: var(--radius-lg); margin-bottom: 2rem; }
        .team-card { 
            background: var(--bg-main); 
            padding: 20px; 
            border-radius: var(--radius-md); 
            border: 1px dashed var(--secondary); 
            margin-top: 24px; 
        }

        .security-panel { background: var(--bg-elevated); padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .security-links { display: flex; gap: 16px; margin: 16px 0; flex-wrap: wrap; }
        .security-links a { background: var(--bg-main); padding: 8px 12px; border-radius: var(--radius-md); font-size: 0.9rem; border: 1px solid var(--border-default); }

        footer { 
            padding: 3rem 0 2rem 0; 
            border-top: 1px solid var(--border-default); 
            margin-top: 3rem; 
            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; font-size: 0.9rem; }
        .footer-legal { font-size: 0.8rem; color: var(--text-muted); }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); 
            border-top: 1px solid var(--border-brand); 
            z-index: 1000; 
        }
        .nav-item { text-align: center; color: var(--text-secondary); text-decoration: none; font-size: 0.75rem; }
        .nav-item i { display: block; font-size: 1.2rem; margin-bottom: 4px; }
        .nav-item:hover { color: var(--secondary); }

        .utility-link { display: inline-block; margin-top: 1rem; color: var(--secondary); font-weight: 600; text-decoration: underline; }

        @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); }
            .navigator { display: none; }
            .hero-intro { font-size: 1.1rem; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .category-grid { grid-template-columns: repeat(4, 1fr); }
        }

        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }