:root {
            --color-primary: #0A2463;
            --color-primary-hover: #11328A;
            --color-secondary: #A8B2C1;
            --color-secondary-hover: #C0C9D6;
            --color-accent: #00F5FF;
            --color-bg-main: #040B1C;
            --color-bg-surface: #0D1730;
            --color-bg-elevated: #162244;
            --color-text-primary: #E6EDF9;
            --color-text-secondary: #B0B9D1;
            --color-text-muted: #7A86A3;
            --color-btn-bg: #00F5FF;
            --color-btn-text: #040B1C;
            --color-btn-hover: #70F9FF;
            --color-border: #1C2B52;
            --color-border-strong: #2D3F75;
            --color-border-brand: #00F5FF;
            --radius-sm: 4px;
            --radius-md: 12px;
            --radius-lg: 24px;
            --radius-pill: 9999px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --shadow-glow: 0 0 15px rgba(0, 245, 255, 0.4);
            --grad-brand: linear-gradient(135deg, #0A2463 0%, #00F5FF 100%);
            --grad-hero: radial-gradient(circle at top right, #162244 0%, #040B1C 100%);
            --grad-btn: linear-gradient(to right, #00F5FF, #00D1DB);
        }

        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: var(--color-bg-main);
            color: var(--color-text-primary);
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-accent); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--color-btn-hover); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerLogo strong { font-size: 16px; font-weight: 400; color: var(--color-text-primary); }
        .headerActions { display: flex; gap: 12px; }

        .btnBase {
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.2s ease, filter 0.2s ease;
            border: none;
        }
        .btnPrimary { background: var(--grad-btn); color: var(--color-btn-text); }
        .btnSecondary { background: var(--color-bg-elevated); color: var(--color-text-primary); border: 1px solid var(--color-border-strong); }
        .btnBase:hover { transform: translateY(-2px); filter: brightness(1.1); }

        main { max-width: 1200px; margin: 0 auto; }
        section { padding: 2rem 0; content-visibility: auto; contain-intrinsic-size: 1px 500px; }

        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; color: var(--color-text-primary); margin-bottom: 1rem; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; color: var(--color-text-primary); }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; color: var(--color-text-primary); margin: 0; }

        .heroSection { background: var(--grad-hero); padding: 3rem 1.5rem; border-radius: var(--radius-lg); text-align: center; }
        .heroIntro { font-size: 1.1rem; color: var(--color-text-secondary); margin-bottom: 2rem; max-width: 800px; margin-inline: auto; }
        .heroPills { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 2rem; }
        .heroPill { background: rgba(0, 245, 255, 0.1); border: 1px solid var(--color-accent); color: var(--color-accent); padding: 6px 16px; border-radius: var(--radius-pill); font-size: 0.875rem; }

        .bannerWrapper { display: block; width: 100%; margin: 1rem 0; }
        .bannerImg { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: var(--radius-md); }

        .categoryGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin: 2rem 0; }
        .categoryTile { 
            background: var(--color-bg-surface); 
            border: 1px solid var(--color-border); 
            padding: 20px; 
            border-radius: var(--radius-md); 
            text-align: center; 
            transition: border-color 0.3s ease; 
        }
        .categoryTile:hover { border-color: var(--color-accent); }
        .categoryTile i { font-size: 2rem; color: var(--color-accent); margin-bottom: 10px; display: block; }
        .categoryTile strong { display: block; margin-bottom: 8px; color: var(--color-text-primary); }
        .categoryTile span { font-size: 0.875rem; color: var(--color-text-secondary); display: block; }

        .gameGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .gameCard { 
            background: var(--color-bg-surface); 
            border-radius: var(--radius-md); 
            overflow: hidden; 
            border: 1px solid var(--color-border); 
            transition: transform 0.3s ease; 
        }
        .gameCard:hover { transform: scale(1.03); border-color: var(--color-accent); }
        .gameCard img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .gameCard h3 { padding: 12px; font-size: 1rem; text-align: center; }

        .factsWrapper { background: var(--color-bg-surface); border-radius: var(--radius-md); padding: 20px; border: 1px solid var(--color-border); }
        .factsNotice { font-style: italic; color: var(--color-text-muted); font-size: 0.875rem; margin-bottom: 1.5rem; display: block; }
        .factsTable { width: 100%; border-collapse: collapse; }
        .factsTable tr { border-bottom: 1px solid var(--color-border); }
        .factsTable td { padding: 12px 8px; vertical-align: top; }
        .factsLabel { color: var(--color-text-secondary); width: 40%; font-weight: 500; }
        .factsValue { color: var(--color-text-primary); }
        .factsLink { display: block; text-align: center; margin-top: 1rem; font-size: 0.875rem; color: var(--color-text-muted); }

        .tocNav { 
            display: flex; 
            overflow-x: auto; 
            gap: 10px; 
            padding-bottom: 10px; 
            margin: 2rem 0; 
            scrollbar-width: none; 
            -ms-overflow-style: none; 
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink { 
            background: var(--color-bg-elevated); 
            padding: 8px 16px; 
            border-radius: var(--radius-pill); 
            white-space: nowrap; 
            font-size: 0.875rem; 
            border: 1px solid var(--color-border-strong); 
        }

        .promoGrid { display: grid; gap: 20px; }
        .promoCard { 
            background: var(--color-bg-surface); 
            border-left: 4px solid var(--color-accent); 
            padding: 24px; 
            border-radius: var(--radius-md); 
            box-shadow: var(--shadow-card); 
        }
        .promoCard h3 { margin-bottom: 12px; }
        .promoCard p { color: var(--color-text-secondary); margin-bottom: 20px; }

        .uspGrid { display: grid; gap: 15px; }
        .uspTile { 
            display: flex; 
            align-items: center; 
            gap: 15px; 
            background: var(--color-bg-surface); 
            padding: 15px; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--color-border); 
        }
        .uspTile i { font-size: 1.5rem; color: var(--color-accent); width: 30px; text-align: center; }
        .uspContent strong { display: block; font-size: 1rem; }
        .uspContent span { font-size: 0.875rem; color: var(--color-text-secondary); }

        .paymentGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .paymentCard { 
            background: var(--color-bg-surface); 
            border: 1px solid var(--color-border); 
            padding: 15px; 
            border-radius: var(--radius-md); 
            text-align: center; 
        }
        .paymentCard i { font-size: 1.5rem; color: var(--color-accent); margin-bottom: 10px; display: block; }
        .paymentCard strong { display: block; margin-bottom: 5px; font-size: 0.9rem; }
        .paymentCard p { font-size: 0.75rem; color: var(--color-text-secondary); margin: 0; }

        .guideList { display: grid; gap: 20px; }
        .guideStep { 
            display: flex; 
            gap: 15px; 
            background: var(--color-bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-md); 
            align-items: flex-start; 
        }
        .stepNum { 
            background: var(--grad-brand); 
            color: var(--color-btn-text); 
            width: 32px; 
            height: 32px; 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: bold; 
            flex-shrink: 0; 
        }
        .guideStep h3 a { color: inherit; text-decoration: none; }

        .downloadBox { 
            background: var(--color-bg-surface); 
            padding: 30px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 1px solid var(--color-border-brand); 
            box-shadow: var(--shadow-glow); 
        }
        .downloadBox p { margin-bottom: 25px; color: var(--color-text-secondary); }

        .playerGuideGrid { display: grid; gap: 20px; }
        .playerGuideCard { 
            background: var(--color-bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--color-border); 
        }
        .guideMeta { font-size: 0.75rem; color: var(--color-text-muted); margin-bottom: 10px; display: block; }

        .announcementGrid { display: grid; gap: 15px; }
        .announcementCard { 
            display: flex; 
            gap: 15px; 
            background: var(--color-bg-surface); 
            padding: 15px; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--color-border); 
        }
        .announcementCard i { color: var(--color-accent); margin-top: 5px; }
        .announcementDate { font-size: 0.75rem; color: var(--color-text-muted); display: block; margin-top: 8px; }

        .faqWrapper { display: grid; gap: 10px; }
        .faqItem { background: var(--color-bg-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
        .faqItem summary { padding: 15px; cursor: pointer; list-style: none; outline: none; }
        .faqItem summary h3 { font-size: 1rem; display: flex; justify-content: space-between; align-items: center; }
        .faqItem p { padding: 0 15px 15px 15px; color: var(--color-text-secondary); font-size: 0.95rem; }

        .aboutBox { background: var(--color-bg-surface); padding: 25px; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
        .teamCard { 
            margin-top: 20px; 
            padding: 20px; 
            background: var(--color-bg-elevated); 
            border-radius: var(--radius-md); 
            border: 1px solid var(--color-border-strong); 
        }

        .securityBox { 
            background: var(--color-bg-surface); 
            padding: 25px; 
            border-radius: var(--radius-md); 
            border: 1px solid var(--color-border); 
            text-align: center; 
        }
        .securityLinks { display: flex; justify-content: center; gap: 20px; margin: 20px 0; flex-wrap: wrap; }

        footer { 
            background: var(--color-bg-surface); 
            padding: 3rem 0 2rem 0; 
            margin-top: 3rem; 
            border-top: 1px solid var(--color-border); 
        }
        .footerSitemap { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 2rem; 
            text-align: center; 
        }
        .footerSitemap a { font-size: 0.875rem; color: var(--color-text-secondary); }
        .footerContact { text-align: center; margin-bottom: 2rem; color: var(--color-text-secondary); }
        .footerLegal { text-align: center; font-size: 0.75rem; color: var(--color-text-muted); }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            background: var(--color-bg-surface); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding: 10px 0 calc(10px + env(safe-area-inset-bottom)); 
            border-top: 1px solid var(--color-border-brand); 
            z-index: 1000; 
        }
        .navItem { text-align: center; color: var(--color-text-secondary); text-decoration: none; font-size: 0.7rem; }
        .navItem i { display: block; font-size: 1.2rem; margin-bottom: 4px; color: var(--color-accent); }

        .utilLink { color: var(--color-text-muted); font-size: 0.875rem; text-decoration: underline; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .categoryGrid { grid-template-columns: repeat(3, 1fr); }
            .gameGrid { grid-template-columns: repeat(3, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; display: none; }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .categoryGrid { grid-template-columns: repeat(4, 1fr); }
            .gameGrid { grid-template-columns: repeat(4, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
        }