:root {
            --primary: #1A3A5F;
            --primaryHover: #244D7D;
            --secondary: #C0C0C8;
            --secondaryHover: #E0E0E8;
            --accent: #00F5FF;
            --bgMain: #050B16;
            --bgSurface: #0D1729;
            --bgElevated: #16233C;
            --textPrimary: #E6EEFF;
            --textSecondary: #B0C4DE;
            --textMuted: #778899;
            --btnBg: #00F5FF;
            --btnText: #050B16;
            --btnHoverBg: #70F9FF;
            --borderDefault: #1E2F4D;
            --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);
            --gradBrand: linear-gradient(135deg, #1A3A5F 0%, #00F5FF 100%);
            --gradHero: radial-gradient(circle at center, #16233C 0%, #050B16 100%);
            --gradBtn: linear-gradient(to bottom, #00F5FF 0%, #00D1DE 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;
            color: var(--textPrimary);
            background-color: var(--bgMain);
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }

        img { max-width: 100%; height: auto; display: block; }

        a { color: var(--accent); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--btnHoverBg); }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: var(--radiusMd);
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, filter 0.2s;
            border: none;
            text-align: center;
        }
        .btnPrimary {
            background: var(--gradBtn);
            color: var(--btnText);
        }
        .btnPrimary:hover { filter: brightness(1.1); transform: translateY(-2px); }
        .btnSecondary {
            background: var(--bgElevated);
            color: var(--textPrimary);
            border: 1px solid var(--borderBrand);
        }

        header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 12px;
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerLogo strong { font-size: 16px; font-weight: 400; }
        .headerNav { display: flex; gap: 10px; }

        main { width: 100%; }

        .heroSection {
            text-align: center;
            padding: 40px 0;
            background: var(--gradHero);
            border-radius: var(--radiusLg);
            margin-bottom: 24px;
        }
        h1 {
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--textPrimary);
        }
        .heroIntro {
            max-width: 700px;
            margin: 0 auto 30px;
            color: var(--textSecondary);
        }
        .heroCta { display: block; width: 100%; max-width: 400px; margin: 0 auto 24px; }
        .featurePills {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
        }
        .pill {
            padding: 6px 14px;
            background: rgba(0, 245, 255, 0.1);
            border: 1px solid var(--borderBrand);
            border-radius: var(--radiusPill);
            font-size: 0.875rem;
            color: var(--accent);
        }

        .bannerLink { display: block; width: 100%; margin-bottom: 24px; }
        .bannerImg { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: var(--radiusMd); }

        .categoryGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 32px;
        }
        .categoryTile {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            text-align: center;
            border: 1px solid var(--borderDefault);
            transition: border-color 0.3s;
        }
        .categoryTile:hover { border-color: var(--accent); }
        .categoryTile i { font-size: 2rem; color: var(--accent); margin-bottom: 12px; }
        .categoryTile strong { display: block; margin-bottom: 8px; color: var(--textPrimary); }
        .categoryTile span { font-size: 0.875rem; color: var(--textSecondary); display: block; }

        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }
        .gameCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
            border: 1px solid var(--borderDefault);
            transition: transform 0.2s;
        }
        .gameCard:hover { transform: scale(1.03); }
        .gameCard img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .gameCard h3 {
            font-size: 1rem;
            padding: 12px;
            margin: 0;
            text-align: center;
            color: var(--textPrimary);
        }

        .factsWrapper {
            background: var(--bgSurface);
            padding: 24px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderBrand);
            margin-bottom: 32px;
        }
        .freshnessNotice {
            font-style: italic;
            font-size: 0.875rem;
            color: var(--textMuted);
            margin-bottom: 16px;
            display: block;
        }
        .factsTable {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 16px;
        }
        .factsTable td {
            padding: 12px;
            border-bottom: 1px solid var(--borderDefault);
            color: var(--textSecondary);
        }
        .factsTable td:first-child { font-weight: 600; color: var(--textPrimary); width: 40%; }
        .termsLink { font-size: 0.875rem; text-align: center; display: block; color: var(--textMuted); }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding-bottom: 12px;
            margin-bottom: 32px;
            scrollbar-width: none;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink {
            white-space: nowrap;
            padding: 8px 16px;
            background: var(--bgElevated);
            border-radius: var(--radiusPill);
            font-size: 0.875rem;
            border: 1px solid var(--borderDefault);
        }

        .promoGrid { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
        .promoCard {
            background: var(--bgSurface);
            padding: 24px;
            border-radius: var(--radiusMd);
            border-left: 4px solid var(--accent);
        }
        .promoCard h3 { margin-top: 0; color: var(--textPrimary); }
        .promoCard p { color: var(--textSecondary); margin-bottom: 20px; }

        .uspBar {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-bottom: 32px;
        }
        .uspTile {
            display: flex;
            gap: 16px;
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            align-items: center;
        }
        .uspTile i { font-size: 1.5rem; color: var(--accent); }
        .uspTile strong { display: block; color: var(--textPrimary); }
        .uspTile span { font-size: 0.875rem; color: var(--textSecondary); }

        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 32px;
        }
        .paymentCard {
            background: var(--bgSurface);
            padding: 16px;
            border-radius: var(--radiusMd);
            text-align: center;
            border: 1px solid var(--borderDefault);
        }
        .paymentCard i { font-size: 1.5rem; color: var(--accent); margin-bottom: 8px; display: block; }
        .paymentCard strong { display: block; margin-bottom: 8px; }
        .paymentCard p { font-size: 0.75rem; color: var(--textSecondary); margin: 0; }

        .stepList { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
        .stepItem { display: flex; gap: 16px; align-items: flex-start; }
        .stepBadge {
            min-width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--bgMain);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .stepContent h3 { margin: 0 0 8px; color: var(--textPrimary); }
        .stepContent a { color: inherit; }

        .downloadBox {
            background: var(--bgSurface);
            padding: 32px 24px;
            border-radius: var(--radiusLg);
            text-align: center;
            margin-bottom: 32px;
            border: 1px solid var(--borderBrand);
        }

        .guideGrid { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
        .guideItem {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
        }
        .guideMeta { font-size: 0.75rem; color: var(--textMuted); margin-bottom: 12px; display: block; }

        .announcementGrid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-bottom: 32px;
        }
        .announcementCard {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        .announcementHeader { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
        .announcementHeader i { color: var(--accent); }
        .announcementDate { font-size: 0.75rem; color: var(--textMuted); display: block; margin-top: 12px; }

        .faqContainer { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
        details {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        summary {
            padding: 16px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary h3 { margin: 0; font-size: 1rem; color: var(--textPrimary); }
        .faqAnswer { padding: 0 16px 16px; color: var(--textSecondary); font-size: 0.9rem; }

        .aboutBox {
            background: var(--bgSurface);
            padding: 24px;
            border-radius: var(--radiusMd);
            margin-bottom: 32px;
        }
        .teamCard {
            margin-top: 24px;
            padding: 20px;
            background: var(--bgElevated);
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderBrand);
        }

        .securityBox {
            background: var(--bgSurface);
            padding: 24px;
            border-radius: var(--radiusMd);
            margin-bottom: 32px;
        }
        .rgLinks { display: flex; gap: 12px; margin: 20px 0; }

        footer {
            background: var(--bgSurface);
            padding: 32px 0;
            border-top: 1px solid var(--borderDefault);
            text-align: center;
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 24px;
            text-align: left;
        }
        .footerSitemap a { font-size: 0.875rem; color: var(--textSecondary); }
        .footerContact { margin-bottom: 24px; }
        .footerLegal { font-size: 0.75rem; color: var(--textMuted); }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bgSurface);
            border-top: 1px solid var(--borderDefault);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 100;
            backdrop-filter: blur(10px);
        }
        .navItem {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--textSecondary);
            font-size: 0.75rem;
        }
        .navItem i { font-size: 1.2rem; color: var(--accent); }

        .utilityLink { font-size: 0.875rem; text-align: center; display: block; margin-top: 16px; color: var(--accent); }

        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; margin-bottom: 40px; }

        @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); }
            .uspBar { grid-template-columns: repeat(2, 1fr); }
            .navigator { 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); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .uspBar { grid-template-columns: repeat(4, 1fr); }
        }