:root {
            --brandPrimary: #0E2A47;
            --brandPrimaryHover: #163B63;
            --brandSecondary: #C0C0C8;
            --brandSecondaryHover: #D8D8E0;
            --brandAccent: #00F5FF;
            --bgMain: #060D17;
            --bgSurface: #0C1625;
            --bgElevated: #132136;
            --bgOverlay: rgba(6, 13, 23, 0.8);
            --textPrimary: #E6EDF5;
            --textSecondary: #A0B0C5;
            --textMuted: #6D8299;
            --textContrast: #060D17;
            --textLink: #00F5FF;
            --textLinkHover: #80FFFF;
            --btnBg: #00F5FF;
            --btnText: #060D17;
            --btnBgHover: #80FFFF;
            --borderDefault: #1D2D44;
            --borderStrong: #2C4161;
            --borderBrand: rgba(0, 245, 255, 0.4);
            --radiusSm: 4px;
            --radiusMd: 12px;
            --radiusLg: 24px;
            --radiusPill: 9999px;
            --shadowCard: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --glowCyan: 0 0 15px rgba(0, 245, 255, 0.6);
            --gradBrand: linear-gradient(135deg, #0E2A47 0%, #00F5FF 100%);
            --gradHero: radial-gradient(circle at top right, #132136 0%, #060D17 100%);
            --gradBtn: linear-gradient(180deg, #00F5FF 0%, #00D1DB 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));
            overflow-x: hidden;
            background-color: var(--bgMain);
            color: var(--textPrimary);
        }

        img, video, iframe { max-width: 100%; height: auto; display: block; }
        a { color: var(--textLink); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: var(--textLinkHover); }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 24px;
            border-radius: var(--radiusMd);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            text-align: center;
            text-decoration: none;
        }
        .btnPrimary { background: var(--gradBtn); color: var(--btnText); box-shadow: var(--glowCyan); }
        .btnPrimary:hover { background: var(--btnBgHover); transform: translateY(-2px); }
        .btnSecondary { background: var(--bgElevated); color: var(--textPrimary); border: 1px solid var(--borderBrand); }
        .btnSecondary:hover { background: var(--borderStrong); }

        header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            border-bottom: 1px solid var(--borderDefault);
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerBrand { font-size: 16px; font-weight: normal; color: var(--textPrimary); }
        .headerActions { display: flex; gap: 12px; }

        main { width: 100%; }

        .heroSection {
            padding: 40px 0;
            text-align: center;
            background: var(--gradHero);
        }
        h1 {
            font-family: 'Be Vietnam Pro', sans-serif;
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--textPrimary);
        }
        .heroIntro {
            font-size: 1.1rem;
            color: var(--textSecondary);
            max-width: 800px;
            margin: 0 auto 30px;
            padding-inline: 10px;
        }
        .heroCta { width: 100%; display: block; margin-bottom: 24px; }
        .heroPills { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
        .pill {
            padding: 6px 16px;
            background: rgba(0, 245, 255, 0.1);
            border: 1px solid var(--borderBrand);
            border-radius: var(--radiusPill);
            font-size: 0.85rem;
            color: var(--brandAccent);
        }

        .bannerWrap { width: 100%; margin-bottom: 40px; }
        .bannerWrap img { aspect-ratio: 2 / 1; object-fit: cover; border-radius: var(--radiusMd); }

        .catHub {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 40px;
        }
        .catTile {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusMd);
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .catTile:hover { border-color: var(--brandAccent); background: var(--bgElevated); transform: translateY(-5px); }
        .catTile i { font-size: 2rem; color: var(--brandAccent); }
        .catTile strong { display: block; font-size: 1.1rem; color: var(--textPrimary); }
        .catTile span { font-size: 0.85rem; color: var(--textSecondary); }

        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin: 24px 0;
        }
        .gameCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
            border: 1px solid var(--borderDefault);
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .gameCard:hover { border-color: var(--brandAccent); box-shadow: var(--shadowCard); }
        .gameCard img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; }
        .gameCard h3 {
            font-size: 1rem;
            padding: 12px;
            margin: 0;
            text-align: center;
            color: var(--textPrimary);
        }

        .factsSection { margin-bottom: 40px; }
        .factsNotice {
            font-style: italic;
            font-size: 0.9rem;
            color: var(--textMuted);
            margin-bottom: 16px;
        }
        .factsTable {
            width: 100%;
            border-collapse: collapse;
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
            border: 1px solid var(--borderDefault);
        }
        .factsTable td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--borderDefault);
            font-size: 0.95rem;
        }
        .factsLabel { font-weight: 600; color: var(--textSecondary); width: 40%; }
        .factsValue { color: var(--textPrimary); }
        .factsFooter {
            margin-top: 12px;
            font-size: 0.85rem;
            text-align: center;
        }
        .utilLink { color: var(--textSecondary); text-decoration: underline; }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 16px 0;
            margin-bottom: 30px;
            scrollbar-width: none;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink {
            white-space: nowrap;
            padding: 8px 16px;
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusPill);
            font-size: 0.9rem;
            color: var(--textSecondary);
        }
        .tocLink:hover { background: var(--bgElevated); color: var(--brandAccent); }

        .promoSection { margin-bottom: 40px; }
        .promoCard {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusLg);
            padding: 24px;
            margin-bottom: 20px;
            position: relative;
            overflow: hidden;
        }
        .promoCard h3 { margin-top: 0; color: var(--brandAccent); }
        .promoCard p { color: var(--textSecondary); margin-bottom: 20px; }

        .uspBar {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-bottom: 40px;
        }
        .uspTile {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bgSurface);
            padding: 16px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        .uspTile i { font-size: 1.5rem; color: var(--brandAccent); width: 30px; text-align: center; }
        .uspTitle { font-weight: 600; color: var(--textPrimary); margin-right: 8px; }
        .uspDesc { font-size: 0.9rem; color: var(--textSecondary); }

        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin: 24px 0;
        }
        .paymentCard {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .paymentCard i { font-size: 1.8rem; color: var(--brandAccent); }
        .paymentCard strong { display: block; color: var(--textPrimary); }
        .paymentCard p { font-size: 0.85rem; color: var(--textSecondary); margin: 0; }

        .stepList { margin: 24px 0; }
        .stepItem {
            display: flex;
            gap: 16px;
            margin-bottom: 24px;
            align-items: flex-start;
        }
        .stepBadge {
            min-width: 36px;
            height: 36px;
            background: var(--brandAccent);
            color: var(--btnText);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .stepContent h3 { margin: 0 0 8px; }
        .stepContent a { color: inherit; }

        .downloadSection {
            background: var(--bgSurface);
            padding: 30px;
            border-radius: var(--radiusLg);
            text-align: center;
            border: 1px solid var(--borderDefault);
            margin-bottom: 40px;
        }

        .guideItem {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            margin-bottom: 16px;
            border-left: 4px solid var(--brandAccent);
        }
        .guideMeta { font-size: 0.8rem; color: var(--textMuted); margin-bottom: 10px; display: block; }

        .announcementList { margin: 24px 0; }
        .announcementItem {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            margin-bottom: 12px;
            border: 1px solid var(--borderDefault);
        }
        .announcementItem i { color: var(--brandAccent); margin-top: 4px; }
        .announcementDate { font-size: 0.8rem; color: var(--textMuted); display: block; margin-top: 8px; }

        .faqSection { margin-bottom: 40px; }
        .faqItem {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusMd);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faqItem summary {
            padding: 16px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--textPrimary);
        }
        .faqItem summary::-webkit-details-marker { display: none; }
        .faqItem h3 { margin: 0; font-size: 1.05rem; }
        .faqAnswer { padding: 0 16px 16px; color: var(--textSecondary); font-size: 0.95rem; }

        .aboutSection {
            background: var(--bgSurface);
            padding: 30px;
            border-radius: var(--radiusLg);
            margin-bottom: 40px;
            border: 1px solid var(--borderDefault);
        }
        .teamCard {
            margin-top: 30px;
            padding: 20px;
            background: var(--bgElevated);
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderBrand);
        }

        .securitySection {
            padding: 30px;
            background: var(--bgElevated);
            border-radius: var(--radiusLg);
            margin-bottom: 40px;
            text-align: center;
        }
        .rgLinks { display: flex; justify-content: center; gap: 20px; margin: 20px 0; flex-wrap: wrap; }

        footer {
            padding: 40px 0 100px;
            border-top: 1px solid var(--borderDefault);
            text-align: center;
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            max-width: 600px;
            margin: 0 auto 30px;
            text-align: left;
        }
        .footerSitemap a { font-size: 0.9rem; color: var(--textSecondary); }
        .footerContact { margin-bottom: 20px; font-size: 0.95rem; }
        .footerLegal { font-size: 0.85rem; color: var(--textMuted); line-height: 1.5; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bgSurface);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--borderBrand);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .navItem {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--textSecondary);
            font-size: 0.75rem;
            transition: color 0.3s ease;
        }
        .navItem i { font-size: 1.2rem; }
        .navItem:hover { color: var(--brandAccent); }

        section { content-visibility: auto; contain-intrinsic-size: 500px; margin-bottom: 60px; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .catHub { grid-template-columns: repeat(3, 1fr); }
            .gameGrid { grid-template-columns: repeat(2, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .uspBar { grid-template-columns: repeat(3, 1fr); }
            .navigator { display: none; }
        }

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