@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=Rajdhani:wght@600;700&display=swap');
        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; padding-inline: 14px; padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)); overflow-x: hidden; background-color: #050A18; color: #E6F0FF; }
        header { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; max-width: 1200px; margin-inline: auto; }
        .header-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: inherit; }
        .header-logo img { width: 25px; height: 25px; decoding: async; }
        .header-logo strong { font-size: 16px; font-weight: 400; }
        .header-auth { display: flex; gap: 10px; }
        .btn-auth { padding: 8px 16px; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 14px; transition: transform 0.2s; }
        .btn-login { color: #00FFFF; border: 1px solid #00FFFF; }
        .btn-register { background: #00FFFF; color: #050A18; }
        .btn-auth:hover { transform: translateY(-2px); }
        main { max-width: 1200px; margin-inline: auto; }
        .hero-section { padding: 40px 0; text-align: center; }
        h1 { font-family: 'Rajdhani', sans-serif; font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; color: #00FFFF; margin-bottom: 20px; letter-spacing: -0.02em; }
        .hero-text { font-size: 1.1rem; color: #B0C4DE; max-width: 800px; margin: 0 auto 30px; }
        .btn-hero { display: block; width: 100%; padding: 16px; background: linear-gradient(180deg, #33FFFF 0%, #00FFFF 100%); color: #050A18; text-decoration: none; font-weight: 700; font-size: 1.2rem; border-radius: 12px; box-shadow: 0 0 15px rgba(0, 255, 255, 0.5); transition: opacity 0.3s; }
        .btn-hero:hover { opacity: 0.9; }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; }
        .tag-pill { padding: 4px 12px; background: #161F3D; border: 1px solid #1F294D; border-radius: 9999px; font-size: 0.85rem; color: #00FFFF; }
        .banner-link { display: block; margin: 20px 0; text-decoration: none; }
        .banner-img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 12px; }
        .cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin: 30px 0; }
        .cat-tile { background: #0D1428; border: 1px solid #1F294D; padding: 20px; border-radius: 12px; text-decoration: none; color: inherit; text-align: center; transition: border-color 0.3s; }
        .cat-tile:hover { border-color: #00FFFF; }
        .cat-tile i { font-size: 2rem; color: #00FFFF; margin-bottom: 10px; display: block; }
        .cat-tile span { display: block; font-weight: 700; font-size: 1.1rem; margin-bottom: 5px; }
        .cat-tile p { font-size: 0.85rem; color: #B0C4DE; margin: 0; }
        .game-section { padding: 40px 0; content-visibility: auto; contain-intrinsic-size: 500px; }
        h2 { font-family: 'Rajdhani', sans-serif; font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; color: #E6F0FF; border-left: 4px solid #00FFFF; padding-left: 15px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: #0D1428; border-radius: 12px; text-decoration: none; color: inherit; overflow: hidden; border: 1px solid #1F294D; transition: transform 0.2s; }
        .game-card:hover { transform: scale(1.03); border-color: #00FFFF; }
        .game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .game-card h3 { font-size: 1rem; margin: 10px; text-align: center; font-weight: 600; }
        .facts-container { background: #0D1428; border-radius: 12px; padding: 20px; border: 1px solid #1F294D; margin: 20px 0; }
        .freshness-notice { font-style: italic; color: #708090; font-size: 0.85rem; margin-bottom: 15px; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table tr { border-bottom: 1px solid #1F294D; }
        .facts-table td { padding: 12px 8px; font-size: 0.95rem; }
        .facts-label { color: #B0C4DE; font-weight: 500; width: 40%; }
        .facts-value { color: #E6F0FF; text-align: right; }
        .terms-link-wrap { margin-top: 15px; text-align: center; }
        .terms-link { color: #B0C4DE; font-size: 0.85rem; text-decoration: underline; }
        .toc-nav { display: flex; overflow-x: auto; gap: 10px; padding: 15px 0; margin-bottom: 30px; scrollbar-width: none; }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-item { white-space: nowrap; padding: 8px 16px; background: #161F3D; border: 1px solid #334173; border-radius: 8px; text-decoration: none; color: #E6F0FF; font-size: 0.9rem; }
        .toc-item:hover { background: #00FFFF; color: #050A18; }
        .promo-grid { display: flex; flex-direction: column; gap: 20px; }
        .promo-card { background: #0D1428; border: 1px solid #1F294D; border-radius: 12px; padding: 25px; position: relative; overflow: hidden; }
        .promo-card::after { content: ''; position: absolute; top: 0; right: 0; width: 5px; height: 100%; background: #00FFFF; }
        .promo-card h3 { margin-top: 0; color: #00FFFF; font-size: 1.4rem; }
        .promo-card p { color: #B0C4DE; margin-bottom: 20px; }
        .btn-promo { display: inline-block; padding: 10px 20px; background: #00FFFF; color: #050A18; text-decoration: none; border-radius: 8px; font-weight: 700; }
        .usp-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin: 30px 0; }
        .usp-tile { display: flex; align-items: center; gap: 15px; background: #0D1428; padding: 15px; border-radius: 12px; border: 1px solid #1F294D; }
        .usp-tile i { font-size: 1.5rem; color: #00FFFF; width: 30px; text-align: center; }
        .usp-title { font-weight: 700; display: block; color: #E6F0FF; }
        .usp-desc { font-size: 0.85rem; color: #B0C4DE; }
        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .pay-card { background: #0D1428; padding: 15px; border-radius: 12px; border: 1px solid #1F294D; text-align: center; }
        .pay-card i { font-size: 2rem; color: #00FFFF; margin-bottom: 10px; display: block; }
        .pay-card strong { display: block; margin-bottom: 5px; color: #E6F0FF; }
        .pay-card p { font-size: 0.8rem; color: #B0C4DE; margin: 0; }
        .guide-steps { display: grid; grid-template-columns: 1fr; gap: 20px; }
        .step-item { display: flex; gap: 15px; align-items: flex-start; background: #0D1428; padding: 20px; border-radius: 12px; border: 1px solid #1F294D; }
        .step-num { min-width: 35px; height: 35px; background: #00FFFF; color: #050A18; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; }
        .step-content h3 { margin: 0 0 10px 0; font-size: 1.1rem; }
        .step-content h3 a { color: inherit; text-decoration: none; }
        .step-content p { margin: 0; color: #B0C4DE; font-size: 0.9rem; }
        .download-panel { background: linear-gradient(135deg, #0D1428 0%, #161F3D 100%); padding: 30px; border-radius: 12px; border: 1px solid #00FFFF; text-align: center; }
        .btn-download { display: block; width: 100%; max-width: 300px; margin: 20px auto; padding: 15px; background: #00FFFF; color: #050A18; text-decoration: none; font-weight: 700; border-radius: 12px; }
        .guide-items { display: grid; grid-template-columns: 1fr; gap: 20px; }
        .guide-card { background: #0D1428; padding: 20px; border-radius: 12px; border: 1px solid #1F294D; }
        .guide-card h3 { margin: 0 0 5px 0; color: #00FFFF; }
        .guide-meta { font-size: 0.8rem; color: #708090; margin-bottom: 10px; display: block; }
        .announcement-list { display: grid; grid-template-columns: 1fr; gap: 15px; }
        .announcement-item { background: #0D1428; padding: 15px; border-radius: 12px; border-left: 4px solid #00FFFF; display: flex; gap: 15px; }
        .announcement-item i { color: #00FFFF; margin-top: 5px; }
        .announcement-info h3 { margin: 0 0 5px 0; font-size: 1.1rem; }
        .announcement-info p { margin: 0 0 10px 0; font-size: 0.9rem; color: #B0C4DE; }
        .announcement-date { font-size: 0.8rem; color: #708090; }
        .faq-list { display: grid; grid-template-columns: 1fr; gap: 10px; }
        .faq-item details { background: #0D1428; border: 1px solid #1F294D; border-radius: 12px; }
        .faq-item summary { padding: 15px; cursor: pointer; list-style: none; }
        .faq-item summary h3 { margin: 0; font-size: 1.1rem; color: #E6F0FF; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary h3::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: #00FFFF; }
        .faq-answer { padding: 0 15px 15px; color: #B0C4DE; font-size: 0.95rem; }
        .about-panel { padding: 20px; background: #0D1428; border-radius: 12px; border: 1px solid #1F294D; }
        .team-card { margin-top: 25px; padding: 20px; background: #161F3D; border-radius: 12px; border: 1px solid #334173; }
        .team-card h3 { margin: 0 0 10px 0; color: #00FFFF; }
        .team-card p { margin: 0 0 10px 0; font-size: 0.9rem; color: #B0C4DE; }
        .security-panel { background: #0D1428; padding: 25px; border-radius: 12px; border: 1px solid #1F294D; margin-top: 30px; }
        .security-links { display: flex; flex-wrap: wrap; gap: 15px; margin: 20px 0; }
        .security-link { color: #00FFFF; text-decoration: none; font-size: 0.9rem; border-bottom: 1px solid #00FFFF; }
        footer { background: #050A18; padding: 40px 0 100px; border-top: 1px solid #1F294D; margin-top: 50px; }
        .footer-sitemap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; }
        .footer-link { color: #B0C4DE; text-decoration: none; font-size: 0.85rem; }
        .footer-contact { display: flex; justify-content: center; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 0.9rem; }
        .footer-contact a { color: #00FFFF; text-decoration: none; }
        .footer-legal { text-align: center; font-size: 0.8rem; color: #708090; line-height: 1.5; }
        .navigator { position: fixed; inset-inline: 0; bottom: 0; height: 72px; background: #0D1428; display: flex; justify-content: space-around; align-items: center; padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid #00FFFF; z-index: 1000; }
        .nav-item { text-decoration: none; color: #B0C4DE; display: flex; flex-direction: column; align-items: center; font-size: 0.7rem; gap: 4px; }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: #00FFFF; }
        .utility-link { display: block; text-align: center; color: #00FFFF; text-decoration: none; margin-top: 15px; font-size: 0.9rem; font-weight: 600; }
        @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(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .guide-steps { grid-template-columns: repeat(2, 1fr); }
            .guide-items { grid-template-columns: repeat(2, 1fr); }
            .announcement-list { grid-template-columns: repeat(2, 1fr); }
            .navigator { display: none; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .cat-grid { grid-template-columns: repeat(4, 1fr); }
        }