:root {
            --brandPrimary: #006D77;
            --brandPrimaryHover: #008B96;
            --brandSecondary: #EDF6F9;
            --brandSecondaryHover: #FFFFFF;
            --brandAccent: #FF6B6B;
            --bgMain: #021B1D;
            --bgSurface: #072B2E;
            --bgElevated: #0C3D41;
            --bgOverlay: rgba(2, 27, 29, 0.8);
            --textPrimary: #E0F2F1;
            --textSecondary: #B2DFDB;
            --textMuted: #80CBC4;
            --textBrandContrast: #021B1D;
            --textLink: #FF8E8E;
            --textLinkHover: #FFB4B4;
            --btnBg: #FF6B6B;
            --btnText: #FFFFFF;
            --btnBgHover: #FF8585;
            --btnTextHover: #FFFFFF;
            --semanticSuccess: #4CAF50;
            --semanticError: #EF5350;
            --semanticWarning: #FFB74D;
            --semanticInfo: #4FC3F7;
            --borderDefault: #1A4A4D;
            --borderStrong: #2D6A6E;
            --borderBrand: rgba(255, 107, 107, 0.5);
            --radiusSm: 4px;
            --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 20px rgba(255, 107, 107, 0.4);
            --gradBrand: linear-gradient(135deg, #006D77 0%, #004A50 100%);
            --gradHero: radial-gradient(circle at top right, #0A3D41 0%, #021B1D 100%);
            --gradBtn: linear-gradient(180deg, #FF6B6B 0%, #EE5253 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));
            overflow-x: hidden;
            background-color: var(--bgMain);
            color: var(--textPrimary);
        }
        h1, h2, h3 { font-family: 'Be Vietnam Pro', sans-serif; color: var(--textPrimary); letter-spacing: 0.01em; 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: 2.5rem; margin-bottom: 1.2rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 0.75rem; }

        img, video, iframe { max-width: 100%; height: auto; display: block; }
        a { color: var(--textLink); text-decoration: none; transition: color 0.2s 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: transform 0.2s ease, filter 0.2s ease;
            border: none;
            text-align: center;
            text-decoration: none;
        }
        .btnPrimary { background: var(--gradBtn); color: var(--btnText); box-shadow: var(--shadowGlow); }
        .btnPrimary:hover { filter: brightness(1.1); transform: translateY(-2px); }
        .btnOutline { background: transparent; border: 1px solid var(--borderStrong); color: var(--textPrimary); }
        .btnOutline:hover { background: var(--bgElevated); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bgOverlay);
            backdrop-filter: blur(10px);
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerLogo strong { font-size: 16px; font-weight: 400; color: var(--textPrimary); }
        .headerActions { display: flex; gap: 10px; }

        .heroSection {
            padding: 2rem 0;
            background: var(--gradHero);
            text-align: center;
            border-radius: var(--radiusLg);
            margin-bottom: 2rem;
        }
        .heroIntro { font-size: 1.1rem; color: var(--textSecondary); margin-bottom: 2rem; max-width: 800px; margin-inline: auto; }
        .heroCta { width: 100%; display: block; margin-bottom: 1.5rem; font-size: 1.2rem; }
        .heroTags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
        .heroTag { background: var(--bgElevated); color: var(--textMuted); padding: 4px 12px; border-radius: var(--radiusPill); font-size: 0.85rem; border: 1px solid var(--borderDefault); }

        .bannerWrapper { display: block; margin: 0 -14px; }
        .bannerImg { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; }

        .catGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 2rem 0; }
        .catTile {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusMd);
            padding: 16px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            transition: background 0.3s ease;
            backdrop-filter: blur(4px);
        }
        .catTile:hover { background: var(--bgElevated); border-color: var(--borderBrand); }
        .catTile i { font-size: 1.5rem; color: var(--brandAccent); }
        .catTile strong { display: block; color: var(--textPrimary); font-size: 1rem; }
        .catTile span { font-size: 0.8rem; color: var(--textMuted); line-height: 1.4; }

        .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: transform 0.3s ease, box-shadow 0.3s ease;
            text-decoration: none;
            color: inherit;
        }
        .gameCard:hover { transform: translateY(-5px); box-shadow: var(--shadowCard); border-color: var(--borderStrong); }
        .gameCardImg { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .gameCardContent { padding: 12px; text-align: center; }
        .gameCardContent h3 { font-size: 1rem; margin: 0; color: var(--textPrimary); }

        .factTable { width: 100%; border-collapse: collapse; margin: 1rem 0; background: var(--bgSurface); border-radius: var(--radiusMd); overflow: hidden; }
        .factTable td { padding: 12px 16px; border-bottom: 1px solid var(--borderDefault); }
        .factLabel { font-weight: 600; color: var(--textSecondary); width: 40%; }
        .factValue { color: var(--textPrimary); }
        .freshNotice { font-style: italic; font-size: 0.85rem; color: var(--textMuted); margin-bottom: 1rem; }
        .termsLink { display: block; text-align: center; margin-top: 1rem; font-size: 0.85rem; color: var(--textMuted); }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 12px 0;
            margin-bottom: 2rem;
            scrollbar-width: none;
            -ms-overflow-style: 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(--borderDefault);
            color: var(--textSecondary);
        }
        .tocLink:hover { background: var(--brandPrimary); color: var(--textPrimary); }

        .promoSection { display: flex; flex-direction: column; gap: 16px; }
        .promoCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            padding: 20px;
            border: 1px solid var(--borderDefault);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .promoCard h3 { color: var(--brandAccent); }
        .promoCard p { font-size: 0.95rem; color: var(--textSecondary); margin: 0; }

        .uspBar { display: flex; flex-direction: column; gap: 16px; }
        .uspTile {
            display: flex;
            align-items: flex-start;
            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); margin-top: 4px; }
        .uspContent strong { display: block; font-size: 1rem; margin-bottom: 4px; }
        .uspContent p { margin: 0; font-size: 0.9rem; color: var(--textSecondary); }

        .stepGrid { display: flex; flex-direction: column; gap: 20px; }
        .stepItem { display: flex; gap: 16px; align-items: flex-start; }
        .stepBadge {
            min-width: 32px;
            height: 32px;
            background: var(--brandAccent);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }
        .stepItem h3 { margin-bottom: 4px; }
        .stepItem h3 a { color: inherit; }
        .stepItem p { margin: 0; font-size: 0.95rem; color: var(--textSecondary); }

        .paymentGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .payCard {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusMd);
            padding: 16px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .payCard i { font-size: 1.5rem; color: var(--textSecondary); }
        .payCard strong { display: block; font-size: 0.9rem; }
        .payCard p { margin: 0; font-size: 0.8rem; color: var(--textMuted); line-height: 1.4; }

        .downloadBox {
            background: var(--bgElevated);
            padding: 2rem;
            border-radius: var(--radiusLg);
            text-align: center;
            border: 1px solid var(--borderStrong);
        }
        .downloadBox p { margin-bottom: 1.5rem; color: var(--textSecondary); }

        .guideItem {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
            margin-bottom: 16px;
        }
        .guideMeta { font-size: 0.8rem; color: var(--textMuted); margin-bottom: 8px; display: block; }

        .announcementList { display: flex; flex-direction: column; gap: 16px; }
        .announcementItem {
            display: flex;
            gap: 12px;
            background: var(--bgSurface);
            padding: 16px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        .announcementItem i { color: var(--brandAccent); margin-top: 4px; }
        .announcementText h3 { font-size: 1.1rem; margin-bottom: 4px; }
        .announcementText p { margin: 0 0 8px 0; font-size: 0.9rem; color: var(--textSecondary); }
        .announcementDate { font-size: 0.8rem; color: var(--textMuted); }

        .faqSection { display: flex; flex-direction: column; gap: 12px; }
        .faqItem { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); }
        .faqItem summary { padding: 16px; cursor: pointer; list-style: none; }
        .faqItem summary::-webkit-details-marker { display: none; }
        .faqItem summary h3 { margin: 0; font-size: 1.05rem; display: flex; justify-content: space-between; align-items: center; }
        .faqItem summary h3::after { content: '\f054'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.8rem; transition: transform 0.3s ease; }
        .faqItem[open] summary h3::after { transform: rotate(180deg); }
        .faqAnswer { padding: 0 16px 16px 16px; color: var(--textSecondary); font-size: 0.95rem; }

        .trustStatement { background: var(--bgSurface); padding: 2rem; border-radius: var(--radiusLg); border: 1px solid var(--borderDefault); }
        .teamCard {
            margin-top: 2rem;
            padding: 1.5rem;
            background: var(--bgElevated);
            border-radius: var(--radiusMd);
            border-left: 4px solid var(--brandAccent);
        }
        .teamCard h3 { margin-bottom: 12px; }
        .teamCard p { margin: 0 0 8px 0; font-size: 0.9rem; color: var(--textSecondary); }

        .securitySection { padding: 2rem 0; display: flex; flex-direction: column; gap: 20px; }
        .securityItem { background: var(--bgSurface); padding: 16px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); }
        .securityLinks { display: flex; flex-wrap: wrap; gap: 12px; margin: 1rem 0; }
        .securityLink { background: var(--bgElevated); padding: 8px 12px; border-radius: var(--radiusSm); font-size: 0.85rem; border: 1px solid var(--borderStrong); }

        footer {
            background: var(--bgSurface);
            padding: 2rem 0;
            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 2rem;
            text-align: left;
        }
        .footerSitemap a { font-size: 0.85rem; color: var(--textSecondary); }
        .footerContact { margin-bottom: 1.5rem; font-size: 0.9rem; color: var(--textSecondary); }
        .footerLegal { font-size: 0.8rem; color: var(--textMuted); line-height: 1.6; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bgOverlay);
            backdrop-filter: blur(15px);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            border-top: 1px solid var(--borderDefault);
            z-index: 1000;
        }
        .navItem {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: var(--textSecondary);
            text-decoration: none;
            font-size: 0.75rem;
            gap: 4px;
        }
        .navItem i { font-size: 1.2rem; }
        .navItem:hover { color: var(--brandAccent); }

        .utilLink { color: var(--textLink); font-weight: 500; text-decoration: underline; }

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

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

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