:root {
            --brandPrimary: #007AFF;
            --brandPrimaryHover: #3395FF;
            --brandSecondary: #C0C0C5;
            --brandSecondaryHover: #E0E0E5;
            --brandAccent: #00F5FF;
            --bgMain: #050A18;
            --bgSurface: #0C142B;
            --bgElevated: #15203D;
            --bgOverlay: rgba(5, 10, 24, 0.8);
            --textPrimary: #E6EBF5;
            --textSecondary: #AAB4D1;
            --textMuted: #7A86A8;
            --textContrast: #050A18;
            --textLink: #00F5FF;
            --textLinkHover: #FFFFFF;
            --btnBg: #007AFF;
            --btnText: #FFFFFF;
            --btnHoverBg: #00F5FF;
            --btnHoverText: #050A18;
            --colorSuccess: #00E676;
            --colorError: #FF5252;
            --colorWarning: #FFD740;
            --colorInfo: #40C4FF;
            --borderDefault: #1E2B4D;
            --borderStrong: #2D3F6B;
            --borderBrand: rgba(0, 245, 255, 0.5);
            --radiusSm: 6px;
            --radiusMd: 12px;
            --radiusLg: 24px;
            --radiusPill: 9999px;
            --shadowCard: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --shadowElevated: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
            --shadowGlow: 0 0 15px rgba(0, 245, 255, 0.4);
            --gradBrand: linear-gradient(135deg, #007AFF 0%, #00F5FF 100%);
            --gradHero: radial-gradient(circle at center, #15203D 0%, #050A18 100%);
            --gradBtn: linear-gradient(to bottom, #008CFF 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));
            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;
            border: none;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btnPrimary {
            background: var(--gradBtn);
            color: var(--btnText);
            box-shadow: var(--shadowGlow);
        }
        .btnPrimary:hover {
            background: var(--btnHoverBg);
            color: var(--btnHoverText);
            transform: translateY(-2px);
        }
        .btnSecondary {
            background: var(--bgElevated);
            color: var(--textPrimary);
            border: 1px solid var(--borderBrand);
        }
        .btnSecondary:hover {
            background: var(--borderStrong);
            color: var(--textLink);
        }

        header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            margin-bottom: 24px;
        }
        .headerLogo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--textPrimary);
        }
        .headerBrandName {
            font-size: 16px;
            font-weight: 400;
        }
        .headerActions {
            display: flex;
            gap: 12px;
        }

        main {
            width: 100%;
        }

        .heroSection {
            text-align: center;
            padding: 40px 0;
            background: var(--gradHero);
            border-radius: var(--radiusLg);
            margin-bottom: 32px;
        }
        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 {
            max-width: 800px;
            margin: 0 auto 32px;
            color: var(--textSecondary);
            padding-inline: 20px;
        }
        .heroCta {
            display: block;
            width: 100%;
            max-width: 400px;
            margin: 0 auto 24px;
        }
        .heroTags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 24px;
        }
        .tagPill {
            background: var(--bgElevated);
            border: 1px solid var(--borderBrand);
            color: var(--textSecondary);
            padding: 6px 16px;
            border-radius: var(--radiusPill);
            font-size: 0.85rem;
        }

        .bannerLink {
            display: block;
            margin-bottom: 32px;
            border-radius: var(--radiusMd);
            overflow: hidden;
        }
        .bannerImg {
            aspect-ratio: 2 / 1;
            object-fit: cover;
            width: 100%;
        }

        .categoryGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 40px;
        }
        .categoryTile {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            padding: 20px;
            border-radius: var(--radiusMd);
            text-align: center;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .categoryTile:hover {
            border-color: var(--brandAccent);
            background: var(--bgElevated);
            transform: translateY(-4px);
        }
        .categoryIcon {
            font-size: 2rem;
            color: var(--brandAccent);
            margin-bottom: 12px;
            display: block;
        }
        .categoryLabel {
            display: block;
            color: var(--textPrimary);
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .categoryDesc {
            font-size: 0.85rem;
            color: var(--textMuted);
            display: block;
        }

        h2 {
            font-family: 'Be Vietnam Pro', sans-serif;
            font-size: clamp(1.3rem, 5.2vw, 1.8rem);
            line-height: 1.25;
            margin-top: 40px;
            margin-bottom: 24px;
            color: var(--textPrimary);
            text-align: center;
        }
        .sectionContainer {
            content-visibility: auto;
            contain-intrinsic-size: 1px 500px;
            margin-bottom: 60px;
        }

        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .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);
        }
        .gameImg {
            aspect-ratio: 1 / 1;
            object-fit: cover;
            width: 100%;
        }
        .gameTitle {
            padding: 12px;
            margin: 0;
            font-size: 1rem;
            color: var(--textPrimary);
            text-align: center;
        }

        .factTableWrapper {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
            padding: 24px;
            margin-bottom: 16px;
        }
        .freshnessNotice {
            display: block;
            text-align: center;
            font-style: italic;
            color: var(--textMuted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .factTable {
            width: 100%;
            border-collapse: collapse;
        }
        .factRow {
            border-bottom: 1px solid var(--borderDefault);
        }
        .factLabel {
            padding: 12px;
            color: var(--textSecondary);
            width: 40%;
            font-weight: 500;
        }
        .factValue {
            padding: 12px;
            color: var(--textPrimary);
            text-align: right;
        }
        .termsLink {
            display: block;
            text-align: center;
            font-size: 0.85rem;
            color: var(--textMuted);
            margin-top: 12px;
        }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 10px 0;
            margin-bottom: 40px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocItem {
            background: var(--bgElevated);
            color: var(--textSecondary);
            padding: 8px 16px;
            border-radius: var(--radiusPill);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--borderDefault);
        }
        .tocItem:hover {
            background: var(--borderStrong);
            color: var(--textLink);
        }

        .promoGrid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .promoCard {
            background: var(--bgSurface);
            border: 1px solid var(--borderBrand);
            padding: 24px;
            border-radius: var(--radiusMd);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .promoTitle {
            margin: 0;
            color: var(--brandAccent);
        }
        .promoBody {
            color: var(--textSecondary);
            font-size: 0.95rem;
        }

        .uspGrid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .uspTile {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            display: flex;
            align-items: center;
            gap: 20px;
            border-left: 4px solid var(--brandAccent);
        }
        .uspIcon {
            font-size: 1.5rem;
            color: var(--brandAccent);
        }
        .uspContent strong {
            display: block;
            color: var(--textPrimary);
            margin-bottom: 4px;
        }
        .uspContent p {
            margin: 0;
            color: var(--textMuted);
            font-size: 0.9rem;
        }

        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .paymentCard {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            text-align: center;
            border: 1px solid var(--borderDefault);
        }
        .payIcon {
            font-size: 1.8rem;
            color: var(--textLink);
            margin-bottom: 12px;
            display: block;
        }
        .payName {
            display: block;
            font-weight: 600;
            color: var(--textPrimary);
            margin-bottom: 8px;
        }
        .payDesc {
            font-size: 0.8rem;
            color: var(--textMuted);
            line-height: 1.4;
        }

        .guideList {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .guideStep {
            display: flex;
            gap: 20px;
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            align-items: flex-start;
        }
        .stepBadge {
            background: var(--gradBrand);
            color: var(--textContrast);
            min-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;
        }

        .appSection {
            background: var(--bgSurface);
            padding: 32px 24px;
            border-radius: var(--radiusMd);
            text-align: center;
            border: 1px solid var(--borderDefault);
        }
        .appBody {
            color: var(--textSecondary);
            margin-bottom: 24px;
        }

        .playerGuideGrid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .playerGuideItem {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border-bottom: 2px solid var(--borderDefault);
        }
        .guideMeta {
            font-size: 0.8rem;
            color: var(--textMuted);
            display: block;
            margin-bottom: 12px;
        }

        .announcementGrid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .announcementCard {
            background: var(--bgElevated);
            padding: 20px;
            border-radius: var(--radiusMd);
            display: flex;
            gap: 16px;
            border: 1px solid var(--borderStrong);
        }
        .annoIcon {
            color: var(--brandAccent);
            font-size: 1.2rem;
        }
        .annoContent {
            flex: 1;
        }
        .annoTitle {
            margin: 0 0 8px 0;
            font-size: 1.1rem;
            color: var(--textPrimary);
        }
        .annoDate {
            font-size: 0.8rem;
            color: var(--textMuted);
            display: block;
            margin-top: 8px;
        }

        .faqGrid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        details {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusMd);
        }
        summary {
            padding: 16px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary::-webkit-details-marker { display: none; }
        .faqAnswer {
            padding: 0 16px 16px;
            color: var(--textSecondary);
            font-size: 0.95rem;
        }

        .aboutBox {
            background: var(--bgSurface);
            padding: 32px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
            margin-bottom: 24px;
        }
        .teamCard {
            background: var(--bgElevated);
            padding: 24px;
            border-radius: var(--radiusMd);
            border-left: 4px solid var(--brandPrimary);
        }
        .teamCard h3 {
            margin-top: 0;
            color: var(--textPrimary);
        }
        .teamScope {
            font-size: 0.9rem;
            color: var(--textSecondary);
            margin-bottom: 16px;
        }

        .securityBox {
            background: var(--bgSurface);
            padding: 32px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        .securityList {
            list-style: none;
            padding: 0;
            margin: 0 0 24px 0;
        }
        .securityList li {
            padding: 12px 0;
            border-bottom: 1px solid var(--borderDefault);
            display: flex;
            gap: 12px;
            align-items: center;
            color: var(--textSecondary);
        }
        .securityList i { color: var(--colorSuccess); }

        footer {
            margin-top: 60px;
            padding: 40px 0;
            border-top: 1px solid var(--borderDefault);
            text-align: center;
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            max-width: 800px;
            margin: 0 auto 32px;
            text-align: center;
        }
        .footerSitemap a {
            font-size: 0.9rem;
            color: var(--textMuted);
        }
        .footerContact {
            margin-bottom: 24px;
            color: var(--textSecondary);
        }
        .footerLegal {
            font-size: 0.8rem;
            color: var(--textMuted);
            max-width: 700px;
            margin: 0 auto;
        }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background: var(--bgSurface);
            border-top: 1px solid var(--borderBrand);
            display: flex;
            justify-content: space-around;
            padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .navItem {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--textSecondary);
            font-size: 0.75rem;
            text-decoration: none;
        }
        .navItem i {
            font-size: 1.2rem;
        }
        .navItem:hover {
            color: var(--brandAccent);
        }

        .utilLink {
            display: block;
            text-align: center;
            margin-top: 20px;
            font-weight: 600;
            color: var(--brandAccent);
        }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .categoryGrid { grid-template-columns: repeat(3, 1fr); }
            .gameGrid { grid-template-columns: repeat(4, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .guideList { grid-template-columns: repeat(2, 1fr); }
            .announcementGrid { grid-template-columns: repeat(2, 1fr); }
            .playerGuideGrid { grid-template-columns: repeat(3, 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); }
        }