:root {
            --color-primary: #0D2142;
            --color-primary-hover: #153163;
            --color-secondary: #C0C0C8;
            --color-secondary-hover: #E0E0E8;
            --color-accent: #00F0FF;
            --color-bg-main: #050B1A;
            --color-bg-surface: #0B152D;
            --color-bg-elevated: #13203F;
            --color-text-primary: #E6EEF7;
            --color-text-secondary: #B0B8C4;
            --color-text-muted: #7A869A;
            --color-btn-bg: #00F0FF;
            --color-btn-text: #050B1A;
            --color-btn-hover: #70F9FF;
            --color-border-default: #1E2D50;
            --color-border-brand: rgba(0, 240, 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, #0D2142 0%, #00F0FF 100%);
            --grad-hero: radial-gradient(circle at top right, #13203F 0%, #050B1A 100%);
            --grad-btn: linear-gradient(180deg, #00F0FF 0%, #00C8D4 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;
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            background-color: var(--color-bg-main);
            color: var(--color-text-primary);
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-accent); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: var(--color-btn-hover); }
        .btnBase {
            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;
        }
        .btnPrimary {
            background: var(--grad-btn);
            color: var(--color-btn-text);
        }
        .btnPrimary:hover {
            transform: translateY(-2px);
            background: var(--color-btn-hover);
        }
        .btnSecondary {
            background: var(--color-bg-elevated);
            color: var(--color-text-primary);
            border: 1px solid var(--color-border-brand);
        }
        .btnSecondary:hover {
            background: var(--color-primary-hover);
        }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin: 0 0 1rem 0; color: var(--color-text-primary); }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; margin-bottom: 1.5rem; color: var(--color-text-primary); }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 0.75rem; color: var(--color-text-primary); }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-block: 1rem;
            border-bottom: 1px solid var(--color-border-default);
            background: rgba(5, 11, 26, 0.9);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerLogo strong { font-size: 16px; font-weight: normal; color: var(--color-text-primary); }
        .headerActions { display: flex; gap: 12px; }
        .heroSection {
            padding-block: 3rem 1.5rem;
            background: var(--grad-hero);
            text-align: center;
        }
        .heroIntro { max-width: 800px; margin: 0 auto 2rem auto; color: var(--color-text-secondary); }
        .heroPills { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 1.5rem; }
        .pillTag {
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--color-border-brand);
            color: var(--color-accent);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
        }
        .bannerLink { display: block; width: 100%; margin: 1.5rem 0; overflow: hidden; border-radius: var(--radius-md); }
        .bannerImg { width: 100%; aspect-ratio: 2/1; object-fit: cover; }
        .categoryGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-block: 2rem 0;
        }
        .categoryTile {
            background: var(--color-bg-surface);
            border: 1px solid var(--color-border-default);
            padding: 1.5rem 1rem;
            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: 0.5rem; display: block; }
        .categoryTile strong { display: block; margin-bottom: 0.5rem; color: var(--color-text-primary); }
        .categoryTile span { font-size: 0.85rem; color: var(--color-text-muted); }
        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-block: 1.5rem 0;
        }
        .gameCard {
            background: var(--color-bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border-default);
            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; margin: 0; font-size: 1rem; text-align: center; }
        .factTable {
            width: 100%;
            border-collapse: collapse;
            margin-block: 1rem 0;
            background: var(--color-bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .factTable td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border-default);
        }
        .factTable td:first-child { color: var(--color-text-muted); width: 40%; font-weight: 500; }
        .factTable td:last-child { color: var(--color-text-primary); text-align: right; }
        .freshnessNotice { font-style: italic; color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 1rem; }
        .termsLink { display: block; text-align: center; font-size: 0.85rem; margin-top: 1rem; color: var(--color-text-muted); }
        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding-block: 1rem;
            scrollbar-width: none;
            border-top: 1px solid var(--color-border-default);
            border-bottom: 1px solid var(--color-border-default);
            margin-block: 2rem 0;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink {
            white-space: nowrap;
            background: var(--color-bg-elevated);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            border: 1px solid var(--color-border-default);
        }
        .promoGrid { display: grid; gap: 16px; margin-block: 1.5rem 0; }
        .promoCard {
            background: var(--color-bg-surface);
            border: 1px solid var(--color-border-default);
            padding: 24px;
            border-radius: var(--radius-lg);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .uspBar { display: grid; gap: 16px; margin-block: 2rem 0; }
        .uspTile {
            display: flex;
            gap: 16px;
            background: var(--color-bg-surface);
            padding: 16px;
            border-radius: var(--radius-md);
            align-items: flex-start;
        }
        .uspTile i { color: var(--color-accent); font-size: 1.5rem; margin-top: 4px; }
        .uspTile strong { display: block; color: var(--color-text-primary); margin-bottom: 4px; }
        .uspTile p { margin: 0; font-size: 0.9rem; color: var(--color-text-secondary); }
        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-block: 1.5rem 0;
        }
        .paymentCard {
            background: var(--color-bg-surface);
            padding: 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-default);
            text-align: center;
        }
        .paymentCard i { font-size: 2rem; color: var(--color-accent); margin-bottom: 8px; display: block; }
        .paymentCard strong { display: block; margin-bottom: 8px; color: var(--color-text-primary); }
        .paymentCard p { margin: 0; font-size: 0.8rem; color: var(--color-text-muted); }
        .guideSteps { display: grid; gap: 20px; margin-block: 1.5rem 0; }
        .stepItem {
            display: flex;
            gap: 16px;
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
        }
        .stepNum {
            background: var(--color-accent);
            color: var(--color-bg-main);
            min-width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .stepContent h3 { margin-top: 0; }
        .stepContent a { color: inherit; }
        .downloadSection {
            background: var(--color-bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            text-align: center;
            margin-block: 2rem 0;
            border: 1px solid var(--color-border-brand);
        }
        .playerGuide { margin-block: 1.5rem 0; }
        .guideItem {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            border-left: 4px solid var(--color-accent);
        }
        .guideMeta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 12px; display: block; }
        .announcementGrid { display: grid; gap: 16px; margin-block: 1.5rem 0; }
        .announcementItem {
            background: var(--color-bg-surface);
            padding: 16px;
            border-radius: var(--radius-md);
            display: flex;
            gap: 12px;
        }
        .announcementItem i { color: var(--color-accent); margin-top: 4px; }
        .announcementDate { font-size: 0.8rem; color: var(--color-text-muted); display: block; margin-top: 8px; }
        .faqSection { margin-block: 2rem 0; }
        .faqItem { background: var(--color-bg-surface); margin-bottom: 12px; border-radius: var(--radius-md); border: 1px solid var(--color-border-default); }
        .faqItem summary { padding: 16px; cursor: pointer; list-style: none; outline: none; }
        .faqItem summary::-webkit-details-marker { display: none; }
        .faqItem p { padding: 0 16px 16px 16px; color: var(--color-text-secondary); font-size: 0.95rem; }
        .aboutSection { background: var(--color-bg-surface); padding: 2rem; border-radius: var(--radius-lg); margin-block: 2rem 0; }
        .teamCard {
            margin-top: 2rem;
            padding: 20px;
            background: var(--color-bg-elevated);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-default);
        }
        .securitySection { padding-block: 2rem 0; border-top: 1px solid var(--color-border-default); margin-top: 3rem; }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 2rem;
        }
        .footerSitemap a { font-size: 0.9rem; color: var(--color-text-muted); text-align: center; }
        .footerContact { text-align: center; margin-bottom: 1.5rem; color: var(--color-text-secondary); }
        .footerLegal { text-align: center; font-size: 0.8rem; color: var(--color-text-muted); }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background: rgba(11, 21, 45, 0.95);
            backdrop-filter: blur(15px);
            display: flex;
            justify-content: space-around;
            padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px));
            border-top: 1px solid var(--color-border-brand);
            z-index: 2000;
        }
        .navItem { text-align: center; color: var(--color-text-secondary); flex: 1; }
        .navItem i { display: block; font-size: 1.2rem; margin-bottom: 4px; }
        .navItem span { font-size: 0.7rem; display: block; }
        .utilLink { color: var(--color-accent); text-decoration: underline; font-size: 0.9rem; }
        
        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .categoryGrid { grid-template-columns: repeat(3, 1fr); }
            .gameGrid { grid-template-columns: repeat(2, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .navigator { display: none; }
            .heroSection { text-align: left; padding-block: 5rem 3rem; }
            .heroIntro { margin-left: 0; }
            .heroPills { justify-content: flex-start; }
        }
        @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); }
            .footerSitemap { grid-template-columns: repeat(5, 1fr); }
        }