:root {
            --primary: #007AFF;
            --primaryHover: #3395FF;
            --secondary: #C0C0C0;
            --secondaryHover: #E0E0E0;
            --accent: #00F5FF;
            --bgMain: #050A18;
            --bgSurface: #0D152B;
            --bgElevated: #162242;
            --textPrimary: #F0F4FF;
            --textSecondary: #B0B9D1;
            --textMuted: #7886A8;
            --borderDefault: #1C2C55;
            --borderStrong: #2D427A;
            --borderBrand: #00F5FF;
            --radiusSm: 6px;
            --radiusMd: 12px;
            --radiusLg: 20px;
            --radiusPill: 9999px;
            --shadowCard: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --glowCyan: 0 0 15px rgba(0, 245, 255, 0.4);
            --gradBrand: linear-gradient(135deg, #007AFF 0%, #00F5FF 100%);
            --gradButton: linear-gradient(180deg, #008BFF 0%, #007AFF 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(--bgMain);
            color: var(--textPrimary);
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--accent); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #33D9FF; }
        .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;
        }
        .btnPrimary {
            background: var(--gradButton);
            color: #FFFFFF;
            box-shadow: var(--shadowCard);
        }
        .btnPrimary:hover {
            background: var(--accent);
            color: var(--bgMain);
            transform: translateY(-2px);
        }
        .btnSecondary {
            background: var(--bgElevated);
            color: var(--textPrimary);
            border: 1px solid var(--borderStrong);
        }
        .btnSecondary:hover {
            background: var(--borderStrong);
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            margin-bottom: 20px;
        }
        .headerLogo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .headerBrandName {
            font-size: 16px;
            font-weight: normal;
            color: var(--textPrimary);
        }
        .headerActions {
            display: flex;
            gap: 10px;
        }
        main { width: 100%; }
        .heroSection {
            text-align: center;
            padding: 40px 0;
            background: radial-gradient(circle at top right, #162242 0%, #050A18 100%);
        }
        h1 {
            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: 20px;
        }
        .heroCtaWrapper {
            margin-bottom: 30px;
            padding-inline: 20px;
        }
        .heroCta {
            display: block;
            width: 100%;
            max-width: 400px;
            margin: 0 auto;
        }
        .heroTags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            padding-inline: 20px;
        }
        .tagPill {
            background: rgba(0, 245, 255, 0.1);
            border: 1px solid var(--borderBrand);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: var(--radiusPill);
            font-size: 0.85rem;
        }
        .bannerLink {
            display: block;
            width: 100%;
            aspect-ratio: 2 / 1;
            overflow: hidden;
            border-radius: var(--radiusLg);
            margin: 20px 0;
        }
        .categoryGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin: 40px 0;
        }
        .categoryTile {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            padding: 20px;
            border-radius: var(--radiusMd);
            text-align: center;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .categoryTile:hover {
            border-color: var(--accent);
            background: var(--bgElevated);
            box-shadow: var(--glowCyan);
        }
        .categoryTile i {
            font-size: 2rem;
            color: var(--accent);
        }
        .categoryTile strong {
            display: block;
            font-size: 1.1rem;
            color: var(--textPrimary);
        }
        .categoryTile span {
            font-size: 0.85rem;
            color: var(--textMuted);
        }
        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin: 25px 0;
        }
        .gameCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
            border: 1px solid var(--borderDefault);
            transition: transform 0.3s ease;
        }
        .gameCard:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
        }
        .gameCard img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
        }
        .gameCard h3 {
            margin: 0;
            padding: 12px;
            font-size: 1rem;
            text-align: center;
            color: var(--textPrimary);
        }
        h2 {
            font-size: clamp(1.3rem, 5.2vw, 1.8rem);
            line-height: 1.25;
            margin-top: 3rem;
            margin-bottom: 1.5rem;
            color: var(--textPrimary);
            text-align: center;
        }
        .factTable {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
        }
        .factTable tr {
            border-bottom: 1px solid var(--borderDefault);
        }
        .factTable td {
            padding: 15px;
            color: var(--textSecondary);
        }
        .factTable td:first-child {
            font-weight: 600;
            color: var(--textPrimary);
            width: 40%;
        }
        .freshnessNotice {
            display: block;
            text-align: center;
            font-style: italic;
            font-size: 0.9rem;
            color: var(--textMuted);
            margin-bottom: 15px;
        }
        .termsLink {
            display: block;
            text-align: center;
            font-size: 0.85rem;
            color: var(--textMuted);
            margin-top: 10px;
        }
        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 15px;
            padding: 20px 0;
            margin: 0 -14px;
            padding-inline: 14px;
            scrollbar-width: none;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink {
            background: var(--bgElevated);
            padding: 8px 16px;
            border-radius: var(--radiusPill);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--borderStrong);
        }
        .promoGrid {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin: 30px 0;
        }
        .promoCard {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusLg);
            padding: 25px;
            display: flex;
            flex-direction: column;
            gap: 15px;
            box-shadow: var(--shadowCard);
        }
        .promoCard h3 {
            margin: 0;
            font-size: 1.4rem;
            color: var(--accent);
        }
        .uspBar {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin: 40px 0;
        }
        .uspTile {
            background: var(--bgElevated);
            border: 1px solid var(--borderStrong);
            padding: 20px;
            border-radius: var(--radiusMd);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .uspTile i {
            font-size: 1.5rem;
            color: var(--accent);
            margin-top: 4px;
        }
        .uspContent strong {
            display: block;
            font-size: 1.1rem;
            margin-bottom: 5px;
            color: var(--textPrimary);
        }
        .uspContent p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--textSecondary);
        }
        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin: 30px 0;
        }
        .paymentCard {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            padding: 20px;
            border-radius: var(--radiusMd);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .paymentCard i {
            font-size: 2rem;
            color: var(--accent);
        }
        .paymentCard strong {
            display: block;
            color: var(--textPrimary);
        }
        .paymentCard p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--textMuted);
        }
        .guideSteps {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin: 30px 0;
        }
        .stepItem {
            display: flex;
            gap: 20px;
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border-left: 4px solid var(--accent);
        }
        .stepNumber {
            background: var(--gradBrand);
            color: var(--bgMain);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }
        .stepText h3 {
            margin: 0 0 10px 0;
            font-size: 1.1rem;
        }
        .stepText h3 a {
            color: inherit;
        }
        .stepText p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--textSecondary);
        }
        .downloadSection {
            background: var(--bgElevated);
            padding: 40px 20px;
            border-radius: var(--radiusLg);
            text-align: center;
            margin: 40px 0;
            border: 1px solid var(--borderStrong);
        }
        .downloadSection p {
            max-width: 600px;
            margin: 0 auto 30px;
            color: var(--textSecondary);
        }
        .announcementList {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin: 30px 0;
        }
        .announcementItem {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            padding: 20px;
            border-radius: var(--radiusMd);
            display: flex;
            gap: 15px;
        }
        .announcementItem i {
            color: var(--accent);
            font-size: 1.2rem;
            margin-top: 4px;
        }
        .announcementContent h3 {
            margin: 0 0 8px 0;
            font-size: 1.1rem;
        }
        .announcementContent p {
            margin: 0 0 10px 0;
            font-size: 0.9rem;
            color: var(--textSecondary);
        }
        .announcementDate {
            font-size: 0.8rem;
            color: var(--textMuted);
        }
        .faqContainer {
            margin: 30px 0;
        }
        .faqItem {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            margin-bottom: 10px;
            border-radius: var(--radiusMd);
            overflow: hidden;
        }
        .faqItem summary {
            padding: 15px 20px;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .faqItem summary h3 {
            margin: 0;
            font-size: 1.05rem;
            color: var(--textPrimary);
        }
        .faqAnswer {
            padding: 0 20px 20px;
            color: var(--textSecondary);
            font-size: 0.95rem;
        }
        .aboutBox {
            background: var(--bgSurface);
            padding: 30px;
            border-radius: var(--radiusLg);
            border: 1px solid var(--borderStrong);
            margin: 40px 0;
        }
        .teamCard {
            background: var(--bgElevated);
            padding: 20px;
            border-radius: var(--radiusMd);
            margin-top: 30px;
            border: 1px dashed var(--accent);
        }
        .teamCard h3 {
            margin: 0 0 15px 0;
            font-size: 1.2rem;
            color: var(--accent);
        }
        .teamCard p {
            margin: 0 0 10px 0;
            font-size: 0.9rem;
            color: var(--textSecondary);
        }
        .securitySection {
            background: var(--bgElevated);
            padding: 30px;
            border-radius: var(--radiusLg);
            margin: 40px 0;
            text-align: center;
        }
        .securityGrid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .securityItem {
            padding: 15px;
            background: var(--bgMain);
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        .securityItem i {
            display: block;
            margin: 0 auto 10px;
            font-size: 1.5rem;
            color: var(--accent);
        }
        footer {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid var(--borderDefault);
            text-align: center;
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .footerSitemap a {
            font-size: 0.85rem;
            color: var(--textSecondary);
        }
        .footerContact {
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        .footerLegal {
            font-size: 0.8rem;
            color: var(--textMuted);
            line-height: 1.4;
        }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background: rgba(13, 21, 43, 0.95);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--borderStrong);
            display: flex;
            justify-content: space-around;
            padding: 10px 0 calc(10px + env(safe-area-inset-bottom));
            z-index: 1000;
        }
        .navItem {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--textSecondary);
            font-size: 0.7rem;
            text-decoration: none;
        }
        .navItem i {
            font-size: 1.2rem;
        }
        .navItem:hover {
            color: var(--accent);
        }
        .utilityLink {
            color: var(--accent);
            text-decoration: underline;
            font-weight: 500;
        }
        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; }
            .heroIntro { font-size: 1.2rem; }
        }
        @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); }
        }