:root {
    --bg: #F3F8FF;
    --white: #FFFFFF;
    --soft: #EAF4FF;
    --soft-gray: #F0F6FC;
    --brand: #0B55B5;
    --brand-dark: #073B86;
    --sport: #126BCB;
    --bright: #1785E8;
    --sky: #55B9F5;
    --highlight: #91D9FF;
    --navy: #10243D;
    --text: #263B52;
    --muted: #667A91;
    --footer: #052B62;
    --border: rgba(11,85,181,.12);
    --shadow: 0 20px 50px rgba(7,59,134,.12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif; line-height: 1.8; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--bright); }
img { max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--highlight); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 20000; padding: 10px 14px; background: #fff; border-radius: 8px; color: var(--navy); transition: top .2s ease; }
.skip-link:focus { top: 12px; }
.shell { width: min(1320px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(900px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(7,59,134,.97); border-bottom: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(14px); }
.header-inner { position: relative; max-width: 1320px; min-height: 72px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.20); border-radius: 10px; background: rgba(255,255,255,.08); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; cursor: pointer; }
.menu-toggle span { width: 25px; height: 2px; display: block; background: #FFFFFF; }
.site-logo { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: block; }
.site-logo img { display: block; width: auto; max-width: 150px; max-height: 48px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 22px; border-radius: 999px; background: linear-gradient(135deg,#55B9F5 0%,#1785E8 45%,#126BCB 100%); color: #fff; font-weight: 700; text-decoration: none; box-shadow: 0 10px 26px rgba(23,133,232,.28); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(23,133,232,.34); }
.channel-nav { background: #fff; border-bottom: 1px solid var(--border); }
.channel-nav-inner { max-width: 1320px; margin: 0 auto; padding: 0 12px; display: flex; align-items: center; overflow-x: auto; scrollbar-width: thin; }
.channel-nav a { flex: 0 0 auto; position: relative; padding: 13px 14px 12px; color: #526B86; font-weight: 650; white-space: nowrap; }
.channel-nav a.active, .channel-nav a:hover { color: var(--brand); }
.channel-nav a.active::after { content: ""; position: absolute; left: 30%; right: 30%; bottom: 0; height: 3px; background: var(--bright); border-radius: 4px 4px 0 0; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(4,24,47,.58); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; inset: 0 auto 0 0; width: 420px; max-width: 92vw; z-index: 10001; background: #fff; transform: translateX(-105%); transition: transform .28s ease; box-shadow: 24px 0 60px rgba(5,43,98,.22); display: flex; flex-direction: column; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { min-height: 76px; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.drawer-logo img { display: block; max-width: 140px; max-height: 42px; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 10px; background: var(--soft); color: var(--navy); font-size: 30px; line-height: 1; cursor: pointer; }
.drawer-scroll { overflow-y: auto; padding: 12px 22px 30px; }
.drawer-group { padding: 16px 0; border-bottom: 1px solid var(--border); }
.drawer-group h2 { margin: 0 0 8px; font-size: 15px; color: var(--brand); letter-spacing: .04em; }
.drawer-group a { display: block; padding: 9px 2px; color: var(--navy); font-weight: 600; }
.hero-slider { position: relative; max-width: 1320px; margin: 22px auto 0; overflow: hidden; border-radius: 18px; background: var(--brand-dark); box-shadow: 0 20px 50px rgba(7,59,134,.20); }
.hero-slide { display: none; }
.hero-slide.active { display: block; }
.hero-slider img { display: block; width: 100%; height: auto; object-fit: contain; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 2; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; background: rgba(7,59,134,.58); color: #fff; font-size: 30px; cursor: pointer; backdrop-filter: blur(8px); }
.slider-prev { left: 18px; } .slider-next { right: 18px; }
.slider-dots { position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 2; display: flex; gap: 8px; }
.slider-dot { width: 10px; height: 10px; border: 0; border-radius: 50%; background: rgba(255,255,255,.55); padding: 0; cursor: pointer; }
.slider-dot.active { background: #fff; transform: scale(1.25); }
.section { padding: 92px 0; }
.section.compact { padding: 58px 0; }
.section-white { background: #fff; }
.section-soft { background: var(--soft); }
.section-gray { background: var(--soft-gray); }
.section-dark { background: linear-gradient(135deg,#073B86 0%,#0B55B5 32%,#126BCB 68%,#1785E8 100%); color: #fff; }
.section-dark a { color: var(--highlight); }
.section-head { max-width: 800px; margin-bottom: 34px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow { margin: 0 0 10px; color: var(--bright); font-size: 14px; font-weight: 800; letter-spacing: .12em; }
.section-dark .eyebrow { color: var(--highlight); }
h1, h2, h3 { color: var(--navy); line-height: 1.22; margin-top: 0; }
.section-dark h1, .section-dark h2, .section-dark h3 { color: #fff; }
h1 { font-size: clamp(36px, 5vw, 60px); margin-bottom: 22px; }
h2 { font-size: clamp(28px, 3.5vw, 40px); margin-bottom: 18px; }
h3 { font-size: 22px; margin-bottom: 12px; }
p { margin-top: 0; }
.lead { font-size: 19px; color: #49647E; max-width: 820px; }
.section-dark .lead { color: rgba(255,255,255,.86); }
.text-link { display: inline-block; margin-top: 8px; font-weight: 750; }
.page-hero { position: relative; overflow: hidden; padding: 90px 0 74px; background: radial-gradient(circle at 72% 35%, rgba(85,185,245,.40), transparent 38%), linear-gradient(135deg,#073B86 0%,#0B55B5 32%,#126BCB 68%,#1785E8 100%); color: #fff; }
.page-hero h1 { color: #fff; }
.page-hero p { max-width: 820px; color: rgba(255,255,255,.88); font-size: 18px; }
.content-image { width: 100%; height: auto; object-fit: contain; display: block; border-radius: 18px; box-shadow: var(--shadow); }
.focus-strip { margin-top: 28px; padding: 28px 0 22px; background: var(--brand-dark); color: #fff; }
.focus-strip h1 { color: #fff; font-size: clamp(34px, 4.5vw, 48px); margin: 0 22px 20px; }
.focus-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; }
.focus-item { padding: 8px 22px; border-right: 1px solid rgba(255,255,255,.16); }
.focus-item:last-child { border-right: 0; }
.focus-item h3 { margin-bottom: 6px; color: #fff; font-size: 18px; }
.focus-item p { margin: 0; font-size: 14px; color: rgba(255,255,255,.78); line-height: 1.65; }
.focus-item a { color: var(--highlight); font-size: 14px; font-weight: 700; }
.editorial-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; }
.feature-panel, .side-panel { position: relative; overflow: hidden; border-radius: 20px; }
.feature-panel { min-height: 520px; background: var(--brand-dark); }
.feature-panel img { width: 100%; height: 100%; object-fit: cover; opacity: .74; }
.feature-copy { position: absolute; inset: auto 0 0 0; padding: 34px; color: #fff; background: linear-gradient(180deg,transparent,rgba(3,31,72,.92)); }
.feature-copy h2, .feature-copy h3 { color: #fff; }
.feature-copy a { color: var(--highlight); font-weight: 800; }
.side-stack { display: grid; grid-template-rows: 1fr 1fr; gap: 24px; }
.side-panel { padding: 30px; background: linear-gradient(145deg,var(--soft),#fff); border: 1px solid var(--border); min-height: 240px; display: flex; flex-direction: column; justify-content: flex-end; }
.side-panel:nth-child(2) { background: linear-gradient(145deg,#DDF0FF,#fff); }
.zone-row { display: grid; grid-template-columns: repeat(6,1fr); gap: 14px; }
.zone-item { background: #fff; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; box-shadow: 0 10px 30px rgba(7,59,134,.07); }
.zone-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.zone-item div { padding: 18px; }
.zone-item h3 { font-size: 19px; }
.zone-item p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split.reverse .split-copy { order: 1; }
.esports-layout { display: grid; grid-template-columns: 1.25fr .9fr; gap: 28px; align-items: stretch; }
.esports-main { position: relative; min-height: 500px; border-radius: 20px; overflow: hidden; background: #062D67; }
.esports-main img { width: 100%; height: 100%; object-fit: cover; opacity: .7; }
.esports-main .feature-copy { padding: 36px; }
.ent-list { display: grid; gap: 16px; }
.ent-row { display: grid; grid-template-columns: 160px 1fr; align-items: center; gap: 20px; padding: 14px; border-radius: 16px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); }
.ent-row img { width: 160px; aspect-ratio: 4/3; object-fit: cover; border-radius: 11px; }
.ent-row h3 { margin-bottom: 6px; }
.ent-row p { font-size: 14px; color: rgba(255,255,255,.76); margin: 0; }
.app-showcase { background: radial-gradient(circle at 25% 30%, rgba(145,217,255,.25), transparent 35%), linear-gradient(135deg,#073B86,#126BCB); color: #fff; }
.app-showcase h2 { color: #fff; }
.app-showcase p { color: rgba(255,255,255,.84); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 24px; }
.actions .text-link { color: var(--highlight); margin: 0; }
.activity-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; }
.activity-feature { padding: 34px; border-radius: 18px; background: linear-gradient(135deg,#EAF4FF,#fff); border: 1px solid var(--border); }
.activity-notes { display: grid; gap: 14px; }
.activity-note { padding: 19px 0; border-bottom: 1px solid var(--border); }
.activity-note:last-child { border-bottom: 0; }
.news-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 44px; }
.news-lead { padding-right: 34px; border-right: 1px solid var(--border); }
.news-list article { padding: 16px 0; border-bottom: 1px solid var(--border); }
.news-list article:last-child { border-bottom: 0; }
.news-kicker { font-size: 13px; font-weight: 800; color: var(--bright); }
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.service-panel { padding: 34px; background: #fff; border: 1px solid var(--border); border-radius: 18px; }
.check-list, .plain-list { margin: 18px 0 0; padding: 0; list-style: none; }
.check-list li, .plain-list li { position: relative; padding: 8px 0 8px 28px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 8px; color: var(--bright); font-weight: 900; }
.feedback-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.feedback-item { padding: 22px; border-left: 3px solid var(--bright); background: #fff; box-shadow: 0 10px 30px rgba(7,59,134,.06); }
.feedback-item p { margin: 0; font-size: 15px; color: #4C6277; }
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question { width: 100%; min-height: 62px; padding: 18px 0; border: 0; background: transparent; display: flex; align-items: center; justify-content: space-between; gap: 20px; text-align: left; color: var(--navy); font: inherit; font-weight: 760; cursor: pointer; }
.faq-question::after { content: "+"; color: var(--bright); font-size: 26px; font-weight: 500; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 40px 22px 0; color: #53697F; }
.article-prose { font-size: 17px; }
.article-prose h2 { margin-top: 52px; }
.article-prose h3 { margin-top: 34px; }
.article-prose p { margin-bottom: 19px; }
.article-prose ul { padding-left: 1.3em; }
.article-lead-image { margin: 42px auto 52px; }
.two-column-prose { columns: 2; column-gap: 48px; }
.two-column-prose h2, .two-column-prose h3 { break-after: avoid; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.info-block { padding: 28px; border-radius: 16px; background: #fff; border: 1px solid var(--border); }
.info-block.soft { background: var(--soft); }
.notice { margin: 34px 0; padding: 22px 24px; border-left: 4px solid var(--bright); background: var(--soft); color: #38536F; }
.site-footer { background: var(--footer); color: #fff; }
.footer-topline { height: 4px; background: var(--bright); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 44px; padding: 60px 0 44px; }
.site-footer h2 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.site-footer a { display: block; padding: 5px 0; color: rgba(255,255,255,.74); font-size: 14px; }
.site-footer a:hover { color: var(--highlight); }
.footer-brand img { max-width: 150px; max-height: 46px; margin-bottom: 18px; }
.footer-brand p { max-width: 360px; color: rgba(255,255,255,.72); font-size: 14px; }
.footer-legal { padding: 24px 0 34px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.68); font-size: 13px; }
.footer-legal p { margin: 0 0 8px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1100px) {
    .zone-row { grid-template-columns: repeat(3,1fr); }
    .feedback-grid { grid-template-columns: repeat(3,1fr); }
    .editorial-grid, .esports-layout, .activity-layout, .news-layout { grid-template-columns: 1fr; }
    .news-lead { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--border); padding-bottom: 26px; }
}
@media (max-width: 900px) {
    .section { padding: 72px 0; }
    .split { grid-template-columns: 1fr; gap: 34px; }
    .split.reverse .split-media, .split.reverse .split-copy { order: initial; }
    .focus-grid { grid-template-columns: repeat(2,1fr); }
    .focus-item { border-bottom: 1px solid rgba(255,255,255,.16); }
    .service-grid, .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .two-column-prose { columns: 1; }
}
@media (max-width: 767px) {
    body { padding-bottom: 66px; }
    .shell, .narrow { width: min(100% - 28px, 1320px); }
    .header-inner { min-height: 64px; padding: 0 12px; }
    .menu-toggle { width: 40px; height: 40px; }
    .site-logo img { max-width: 112px; max-height: 38px; }
    .main-btn { min-height: 39px; padding: 0 16px; font-size: 14px; }
    .channel-nav { display: none; }
    .site-drawer { width: min(86vw,360px); }
    .hero-slider { margin-top: 14px; border-radius: 12px; }
    .slider-arrow { width: 40px; height: 40px; font-size: 26px; }
    .slider-prev { left: 10px; } .slider-next { right: 10px; }
    .slider-dots { bottom: 10px; }
    .section { padding: 58px 0; }
    .section.compact { padding: 42px 0; }
    .page-hero { padding: 60px 0 52px; }
    h1 { font-size: clamp(34px, 10vw, 42px); }
    h2 { font-size: clamp(26px, 8vw, 32px); }
    .lead { font-size: 17px; }
    .focus-grid { grid-template-columns: 1fr; }
    .focus-item { border-right: 0; }
    .editorial-grid { gap: 16px; }
    .feature-panel { min-height: 410px; }
    .side-stack { gap: 16px; }
    .zone-row { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
    .zone-item div { padding: 14px; }
    .zone-item p { font-size: 13px; }
    .ent-row { grid-template-columns: 110px 1fr; gap: 14px; }
    .ent-row img { width: 110px; }
    .feedback-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 18px; padding-top: 46px; }
    .footer-brand { grid-column: 1 / -1; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; display: grid; grid-template-columns: repeat(4,1fr); background: #fff; box-shadow: 0 -8px 24px rgba(5,43,98,.12); border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom); }
    .mobile-bottom-nav a { min-height: 60px; display: flex; align-items: center; justify-content: center; color: var(--navy); font-weight: 700; font-size: 13px; }
    .mobile-bottom-nav a.active { color: var(--bright); }
}
@media (max-width: 430px) {
    .header-inner { padding: 0 10px; }
    .site-logo img { max-width: 100px; }
    .main-btn { padding: 0 13px; min-height: 38px; }
    .menu-toggle { width: 38px; height: 38px; }
    .zone-row { grid-template-columns: 1fr; }
    .ent-row { grid-template-columns: 92px 1fr; }
    .ent-row img { width: 92px; }
}