:root {
            --color-brand-primary: #0066FF;
            --color-brand-hover: #3385FF;
            --color-brand-secondary: #C0C0C0;
            --color-brand-accent: #00F5FF;
            --color-bg-main: #050B1A;
            --color-bg-surface: #0D162D;
            --color-bg-elevated: #162242;
            --color-text-primary: #E6F0FF;
            --color-text-secondary: #B0C4DE;
            --color-text-muted: #708090;
            --color-text-link: #00F5FF;
            --color-btn-bg: #0066FF;
            --color-btn-text: #FFFFFF;
            --color-btn-hover-bg: #00F5FF;
            --color-btn-hover-text: #050B1A;
            --border-default: #1E2D52;
            --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);
            --grad-brand: linear-gradient(135deg, #0066FF 0%, #00F5FF 100%);
            --grad-hero: radial-gradient(circle at top right, #162242 0%, #050B1A 100%);
        }

        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Manrope', 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;
        }
        h1, h2, h3 { font-family: 'Be Vietnam Pro', sans-serif; color: var(--color-text-primary); 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: 1.2rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 0.8rem; }

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

        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: normal; }
        .headerActions { display: flex; gap: 10px; }

        .btnBase {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            text-align: center;
        }
        .btnPrimary { background: var(--grad-brand); color: var(--color-btn-text); }
        .btnPrimary:hover { background: var(--color-btn-hover-bg); color: var(--color-btn-hover-text); }
        .btnOutline { background: transparent; border: 1px solid var(--color-brand-primary); color: var(--color-text-primary); }
        .btnOutline:hover { background: var(--color-brand-primary); color: #FFF; }

        .heroSection {
            background: var(--grad-hero);
            padding: 3rem 1rem;
            text-align: center;
            border-radius: var(--radius-lg);
            margin-bottom: 2rem;
        }
        .heroIntro { font-size: 1.1rem; color: var(--color-text-secondary); margin-bottom: 2rem; max-width: 800px; margin-inline: auto; }
        .heroCta { display: block; width: 100%; max-width: 400px; margin: 0 auto 2rem; }
        .heroTags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
        .heroTag { background: rgba(0, 245, 255, 0.1); border: 1px solid var(--color-brand-accent); color: var(--color-brand-accent); padding: 4px 12px; border-radius: var(--radius-pill); font-size: 0.85rem; }

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

        .catGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 2rem; }
        .catTile {
            background: var(--color-bg-surface);
            border: 1px solid var(--border-default);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            text-align: center;
            backdrop-filter: blur(10px);
            transition: transform 0.2s, border-color 0.2s;
        }
        .catTile:hover { transform: translateY(-5px); border-color: var(--color-brand-accent); }
        .catIcon { font-size: 2rem; color: var(--color-brand-accent); margin-bottom: 0.5rem; }
        .catLabel { display: block; font-weight: 700; font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--color-text-primary); }
        .catDesc { font-size: 0.85rem; color: var(--color-text-secondary); }

        .gameGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 2rem; }
        .gameCard {
            background: var(--color-bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: border-color 0.3s;
        }
        .gameCard:hover { border-color: var(--color-brand-primary); }
        .gameImg { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .gameInfo { padding: 12px; text-align: center; }
        .gameInfo h3 { font-size: 1rem; margin: 0; color: var(--color-text-primary); }

        .factTable { width: 100%; border-collapse: collapse; background: var(--color-bg-surface); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 1rem; }
        .factRow { border-bottom: 1px solid var(--border-default); }
        .factLabel { padding: 12px; font-weight: 600; color: var(--color-text-secondary); width: 40%; }
        .factValue { padding: 12px; color: var(--color-text-primary); }
        .freshNotice { font-style: italic; font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 1rem; }
        .termsLink { display: block; text-align: center; font-size: 0.85rem; color: var(--color-text-muted); margin-top: 1rem; }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 10px;
            padding: 1rem 0;
            margin-bottom: 2rem;
            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: 0.9rem;
            border: 1px solid var(--border-default);
        }

        .promoGrid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 2rem; }
        .promoCard {
            background: var(--color-bg-surface);
            border: 1px solid var(--border-default);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            position: relative;
            overflow: hidden;
        }
        .promoCard::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 4px; height: 100%;
            background: var(--grad-brand);
        }

        .uspBar { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 2rem; }
        .uspTile {
            background: var(--color-bg-surface);
            padding: 1.2rem;
            border-radius: var(--radius-md);
            display: flex;
            gap: 15px;
            align-items: flex-start;
            border: 1px solid var(--border-default);
        }
        .uspIcon { font-size: 1.5rem; color: var(--color-brand-accent); }
        .uspContent strong { display: block; margin-bottom: 4px; color: var(--color-text-primary); }
        .uspContent p { margin: 0; font-size: 0.85rem; color: var(--color-text-secondary); }

        .guideList { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 2rem; }
        .guideStep {
            background: var(--color-bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-md);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            border: 1px solid var(--border-default);
        }
        .stepNum {
            min-width: 36px; height: 36px; background: var(--grad-brand);
            color: #FFF; border-radius: 50%; display: flex;
            align-items: center; justify-content: center; font-weight: 700;
        }
        .stepContent h3 { margin: 0 0 8px 0; }
        .stepContent a { color: inherit; text-decoration: none; }

        .payGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 2rem; }
        .payCard {
            background: var(--color-bg-surface);
            padding: 1.2rem;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid var(--border-default);
        }
        .payIcon { font-size: 1.8rem; color: var(--color-text-primary); margin-bottom: 10px; }
        .payLabel { display: block; font-weight: 600; margin-bottom: 8px; }
        .payDesc { font-size: 0.8rem; color: var(--color-text-secondary); }

        .downloadBox {
            background: var(--color-bg-surface);
            padding: 2rem 1.5rem;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--border-default);
            margin-bottom: 2rem;
        }
        .downloadText { margin-bottom: 1.5rem; color: var(--color-text-secondary); }

        .playerGuide { margin-bottom: 2rem; }
        .guideItem {
            background: var(--color-bg-surface);
            padding: 1.2rem;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border-left: 3px solid var(--color-brand-primary);
        }
        .metaInfo { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 8px; display: block; }

        .announcementGrid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 2rem; }
        .announcementCard {
            background: var(--color-bg-surface);
            padding: 1.2rem;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
            display: flex;
            gap: 15px;
        }
        .annoIcon { font-size: 1.2rem; color: var(--color-brand-accent); margin-top: 4px; }
        .annoBody h3 { font-size: 1.1rem; margin-bottom: 5px; }
        .annoDate { font-size: 0.8rem; color: var(--color-text-muted); display: block; margin-top: 8px; }

        .faqSection { margin-bottom: 2rem; }
        .faqItem { background: var(--color-bg-surface); border-radius: var(--radius-md); margin-bottom: 12px; border: 1px solid var(--border-default); }
        .faqItem summary { padding: 1rem; cursor: pointer; list-style: none; outline: none; }
        .faqItem summary::-webkit-details-marker { display: none; }
        .faqAnswer { padding: 0 1rem 1rem 1rem; color: var(--color-text-secondary); font-size: 0.95rem; }

        .trustBox {
            background: var(--color-bg-surface);
            padding: 2rem 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            margin-bottom: 2rem;
        }
        .teamCard {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-default);
            background: rgba(255,255,255,0.03);
            padding: 1.5rem;
            border-radius: var(--radius-md);
        }

        .secureBox {
            background: var(--color-bg-elevated);
            padding: 2rem 1.5rem;
            border-radius: var(--radius-lg);
            text-align: center;
            margin-bottom: 2rem;
        }
        .secureLinks { display: flex; justify-content: center; gap: 20px; margin: 1.5rem 0; }
        .secureLink { font-size: 0.9rem; color: var(--color-brand-accent); border: 1px solid var(--color-brand-accent); padding: 5px 15px; border-radius: var(--radius-pill); }

        footer {
            background: var(--color-bg-surface);
            padding: 3rem 0 5rem 0;
            margin-top: 3rem;
            border-top: 1px solid var(--border-default);
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            text-align: center;
            margin-bottom: 2rem;
        }
        .footerSitemap a { color: var(--color-text-secondary); font-size: 0.9rem; }
        .footerContact { text-align: center; margin-bottom: 2rem; color: var(--color-text-secondary); }
        .footerLegal { text-align: center; font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.8; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--color-bg-surface);
            backdrop-filter: blur(20px);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            border-top: 1px solid var(--border-default);
            z-index: 1000;
        }
        .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; }

        .utilityLink { display: inline-block; margin-top: 10px; color: var(--color-brand-accent); font-weight: 600; text-decoration: underline; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .catGrid { grid-template-columns: repeat(3, 1fr); }
            .gameGrid { grid-template-columns: repeat(3, 1fr); }
            .promoGrid { grid-template-columns: repeat(3, 1fr); }
            .uspBar { grid-template-columns: repeat(2, 1fr); }
            .guideList { grid-template-columns: repeat(2, 1fr); }
            .payGrid { grid-template-columns: repeat(4, 1fr); }
            .announcementGrid { grid-template-columns: repeat(2, 1fr); }
            .navigator { position: static; height: auto; padding: 0; display: none; }
            footer { padding-bottom: 2rem; }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .catGrid { grid-template-columns: repeat(6, 1fr); }
            .gameGrid { grid-template-columns: repeat(4, 1fr); }
            .payGrid { grid-template-columns: repeat(4, 1fr); }
        }

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