:root {
    --bg: #F3F8FF;
    --white: #FFFFFF;
    --light-blue: #EAF4FF;
    --light-slate: #F0F6FC;
    --brand: #0B55B5;
    --brand-deep: #073B86;
    --sport: #126BCB;
    --bright: #1785E8;
    --sky: #55B9F5;
    --highlight: #91D9FF;
    --navy-text: #10243D;
    --text: #263B52;
    --muted: #667A91;
    --footer: #052B62;
    --border: rgba(11,85,181,.12);
    --shadow: 0 20px 50px rgba(7,59,134,.12);
    --radius: 22px;
    --content: 1320px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
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; z-index: 12000; left: 12px; top: -80px; background: #fff; color: var(--brand-deep); padding: 10px 14px; border-radius: 8px; transition: top .2s ease; }
.skip-link:focus { top: 12px; }
.content-shell { width: min(var(--content), calc(100% - 40px)); margin-inline: auto; }
.narrow-shell { width: min(900px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.section-white { background: var(--white); }
.section-soft { background: var(--light-blue); }
.section-deep { color: #fff; 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%); }
.section-kicker { margin: 0 0 12px; color: var(--bright); font-weight: 800; letter-spacing: .08em; font-size: 14px; }
.section-deep .section-kicker { color: var(--highlight); }
h1,h2,h3 { color: var(--navy-text); line-height: 1.16; margin-top: 0; }
.section-deep h1, .section-deep h2, .section-deep h3 { color: #fff; }
h1 { font-size: clamp(38px, 5.2vw, 64px); letter-spacing: -.04em; }
h2 { font-size: clamp(28px, 3.4vw, 42px); letter-spacing: -.025em; }
h3 { font-size: 22px; }
p { margin: 0 0 1.1em; }
.lead { font-size: clamp(18px, 2vw, 22px); color: #496079; max-width: 780px; }
.section-deep .lead { color: rgba(255,255,255,.86); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 750; text-decoration: none; border-bottom: 1px solid rgba(11,85,181,.28); padding-bottom: 2px; }
.text-link:hover { color: var(--bright); border-color: var(--bright); }
.section-deep .text-link { color: #fff; border-color: rgba(255,255,255,.38); }
.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: 800; text-decoration: none; box-shadow: 0 10px 26px rgba(23,133,232,.28); transition: transform .18s ease, box-shadow .18s ease; }
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(23,133,232,.36); }

.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: #fff; }
.site-logo { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: inline-flex; }
.site-logo img { display: block; width: auto; max-width: 150px; max-height: 48px; }
.header-register { flex: 0 0 auto; }
.channel-nav { background: #fff; border-bottom: 1px solid var(--border); }
.channel-nav-track { max-width: 1320px; margin: 0 auto; padding: 0 20px; display: flex; overflow-x: auto; scrollbar-width: thin; }
.channel-link { flex: 0 0 auto; position: relative; padding: 14px 17px 12px; color: #526B86; text-decoration: none; font-weight: 700; white-space: nowrap; }
.channel-link:hover, .channel-link.is-current { color: var(--brand); }
.channel-link.is-current::after { content: ""; position: absolute; left: 30%; right: 30%; bottom: 0; height: 3px; border-radius: 99px; background: var(--bright); }

.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(4,27,59,.58); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; z-index: 10001; inset: 0 auto 0 0; width: 420px; max-width: 100%; background: #fff; color: var(--navy-text); transform: translateX(-102%); transition: transform .24s ease; box-shadow: 20px 0 60px rgba(3,27,61,.20); overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-top { min-height: 80px; display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; border-bottom: 1px solid var(--border); background: var(--brand-deep); }
.drawer-logo img { display: block; max-width: 145px; max-height: 44px; }
.drawer-close { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.22); border-radius: 10px; background: rgba(255,255,255,.09); color: #fff; font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-body { padding: 20px 24px 36px; }
.drawer-group { padding: 16px 0; border-bottom: 1px solid var(--border); }
.drawer-group:last-child { border-bottom: 0; }
.drawer-group h2 { margin: 0 0 8px; color: var(--brand); font-size: 14px; letter-spacing: .08em; }
.drawer-group a { display: block; padding: 9px 2px; color: var(--navy-text); text-decoration: none; font-weight: 650; }
.drawer-group a:hover { color: var(--bright); transform: translateX(2px); }

.hero-slider { position: relative; max-width: 1320px; margin: 22px auto 0; overflow: hidden; border-radius: 18px; background: #073B86; box-shadow: 0 20px 50px rgba(7,59,134,.20); }
.hero-slide { display: none; }
.hero-slide.is-active { display: block; }
.hero-slide img { display: block; width: 100%; height: auto; object-fit: contain; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; background: rgba(3,31,74,.52); color: #fff; font-size: 25px; 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%); display: flex; gap: 8px; }
.slider-dot { width: 10px; height: 10px; padding: 0; border: 1px solid rgba(255,255,255,.9); border-radius: 50%; background: rgba(255,255,255,.35); cursor: pointer; }
.slider-dot.is-active { background: #fff; transform: scale(1.18); }

.focus-strip { margin-top: 30px; border-radius: 18px; background: var(--brand-deep); color: #fff; overflow: hidden; box-shadow: var(--shadow); }
.focus-strip-header { padding: 20px 24px 6px; }
.focus-strip-header h2 { margin: 0; color: #fff; font-size: 24px; }
.focus-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.focus-item { padding: 22px 24px 26px; border-top: 1px solid rgba(255,255,255,.10); border-right: 1px solid rgba(255,255,255,.10); }
.focus-item:last-child { border-right: 0; }
.focus-item h3 { color: #fff; font-size: 18px; margin-bottom: 8px; }
.focus-item p { color: rgba(255,255,255,.78); font-size: 14px; line-height: 1.65; }
.focus-item a { color: var(--highlight); text-decoration: none; font-weight: 750; }

.editorial-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 26px; align-items: stretch; }
.editorial-feature { position: relative; min-height: 510px; border-radius: 28px; overflow: hidden; background: var(--brand-deep); box-shadow: var(--shadow); }
.editorial-feature img { width: 100%; height: 100%; object-fit: cover; display: block; }
.editorial-feature::after { content: ""; position: absolute; inset: 32% 0 0; background: linear-gradient(transparent, rgba(5,43,98,.94)); }
.editorial-feature-copy { position: absolute; z-index: 2; left: 34px; right: 34px; bottom: 30px; color: #fff; }
.editorial-feature-copy h2 { color: #fff; margin-bottom: 12px; }
.editorial-side { display: grid; gap: 26px; }
.editorial-panel { padding: 36px; border-radius: 28px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 36px rgba(7,59,134,.08); }
.editorial-panel:nth-child(2) { background: linear-gradient(145deg,#EAF4FF,#fff); }

.zone-ribbon { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 24px; overflow: hidden; }
.zone-item { background: #fff; min-width: 0; }
.zone-item img { width: 100%; aspect-ratio: 4/3; object-fit: contain; background: #F7FBFF; display: block; }
.zone-copy { padding: 22px; }
.zone-copy h3 { font-size: 19px; margin-bottom: 8px; }
.zone-copy p { color: var(--muted); font-size: 14px; line-height: 1.7; }

.split-editorial { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.split-editorial > div { padding: 48px; }
.split-editorial .split-blue { background: linear-gradient(145deg,#073B86,#126BCB); color:#fff; }
.split-editorial .split-blue h2, .split-editorial .split-blue h3 { color:#fff; }

.entertainment-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 34px; align-items: stretch; }
.esports-feature { position: relative; min-height: 540px; overflow: hidden; border-radius: 28px; background:#082F6A; }
.esports-feature img { width:100%; height:100%; object-fit:cover; opacity:.8; }
.esports-feature::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(5,43,98,.08),rgba(5,43,98,.94)); }
.esports-copy { position:absolute; z-index:2; left:34px; right:34px; bottom:30px; color:#fff; }
.esports-copy h2 { color:#fff; }
.entertainment-stack { display:grid; gap:16px; }
.entertainment-row { display:grid; grid-template-columns: 180px 1fr; min-height: 160px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14); border-radius:22px; overflow:hidden; }
.entertainment-row img { width:100%; height:100%; object-fit:cover; }
.entertainment-row div { padding:26px; }
.entertainment-row h3 { color:#fff; margin-bottom:8px; }
.entertainment-row p { color:rgba(255,255,255,.76); font-size:14px; }

.app-showcase { display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:center; }
.app-visual { text-align:center; }
.app-visual img { max-height:560px; width:auto; object-fit:contain; }
.inline-actions { display:flex; flex-wrap:wrap; gap:18px; align-items:center; margin-top:24px; }

.activity-layout { display:grid; grid-template-columns:1.25fr .75fr; gap:30px; }
.activity-main { padding:44px; border-radius:28px; background:linear-gradient(135deg,#0B55B5,#1785E8); color:#fff; min-height:360px; }
.activity-main h2 { color:#fff; }
.activity-main p { color:rgba(255,255,255,.86); }
.activity-list { border-top:1px solid var(--border); }
.activity-line { padding:22px 2px; border-bottom:1px solid var(--border); }
.activity-line h3 { font-size:19px; margin-bottom:6px; }

.news-layout { display:grid; grid-template-columns:1.08fr .92fr; gap:42px; }
.news-lead { padding-right:20px; }
.news-lead .news-label { color:var(--bright); font-weight:800; }
.news-list { border-top:1px solid var(--border); }
.news-row { display:grid; grid-template-columns:120px 1fr; gap:22px; padding:20px 0; border-bottom:1px solid var(--border); }
.news-row strong { color:var(--brand); }

.service-duo { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.service-pane { padding:40px; border-radius:26px; background:#fff; border:1px solid var(--border); }
.service-pane.deep { background:var(--brand-deep); color:#fff; }
.service-pane.deep h2, .service-pane.deep h3 { color:#fff; }
.clean-list { list-style:none; padding:0; margin:18px 0 0; }
.clean-list li { position:relative; padding:8px 0 8px 24px; }
.clean-list li::before { content:""; position:absolute; left:0; top:18px; width:8px; height:8px; border-radius:50%; background:var(--sky); box-shadow:0 0 0 5px rgba(85,185,245,.16); }

.feedback-rail { display:grid; grid-template-columns:1.3fr .9fr .9fr; gap:20px; }
.feedback-note { padding:30px; border-top:4px solid var(--bright); background:#fff; box-shadow:0 12px 28px rgba(7,59,134,.07); }
.feedback-note:nth-child(2) { margin-top:28px; }
.feedback-note:nth-child(3) { margin-top:56px; }

.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 8px; display:flex; align-items:center; justify-content:space-between; gap:16px; border:0; background:transparent; color:var(--navy-text); text-align:left; font:inherit; font-weight:800; cursor:pointer; }
.faq-question::after { content:"+"; color:var(--brand); font-size:26px; line-height:1; }
.faq-question[aria-expanded="true"]::after { content:"−"; }
.faq-answer { padding:0 8px 22px; color:var(--muted); }

.inner-hero { position:relative; overflow:hidden; padding:88px 0 82px; color:#fff; background:radial-gradient(circle at 78% 22%,rgba(145,217,255,.27),transparent 32%), linear-gradient(135deg,#073B86,#126BCB); }
.inner-hero::after { content:""; position:absolute; width:520px; height:520px; border-radius:50%; right:-180px; bottom:-330px; border:80px solid rgba(255,255,255,.05); }
.inner-hero .content-shell { position:relative; z-index:1; }
.inner-hero h1 { color:#fff; max-width:900px; margin-bottom:18px; }
.inner-hero p { max-width:820px; color:rgba(255,255,255,.84); font-size:19px; }
.breadcrumbs { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:28px; color:rgba(255,255,255,.72); font-size:14px; }
.breadcrumbs a { color:#fff; text-decoration:none; }

.prose-layout { display:grid; grid-template-columns:minmax(0,1fr) 300px; gap:64px; align-items:start; }
.prose h2 { margin-top:46px; margin-bottom:14px; }
.prose h2:first-child { margin-top:0; }
.prose p { font-size:17px; line-height:1.9; }
.prose .content-image { width:100%; height:auto; object-fit:contain; margin:28px 0 34px; border-radius:22px; box-shadow:var(--shadow); }
.side-index { position:sticky; top:150px; padding:26px; border:1px solid var(--border); background:#fff; border-radius:20px; }
.side-index h2 { font-size:18px; }
.side-index a { display:block; padding:8px 0; color:var(--muted); text-decoration:none; border-bottom:1px solid var(--border); }
.side-index a:last-child { border-bottom:0; }
.side-index a:hover { color:var(--brand); }

.topic-band { padding:30px 0; background:#fff; border-bottom:1px solid var(--border); }
.topic-band .content-shell { display:flex; gap:14px; flex-wrap:wrap; align-items:center; }
.topic-chip { color:var(--brand); font-weight:750; text-decoration:none; padding:6px 0; margin-right:16px; border-bottom:2px solid rgba(11,85,181,.18); }

.feature-lines { display:grid; grid-template-columns:repeat(3,1fr); border:1px solid var(--border); border-radius:24px; overflow:hidden; background:#fff; }
.feature-line { padding:32px; border-right:1px solid var(--border); }
.feature-line:last-child { border-right:0; }
.feature-line strong { display:block; color:var(--brand); font-size:15px; margin-bottom:8px; }
.feature-line h3 { margin-bottom:10px; }

.image-copy { display:grid; grid-template-columns:1fr 1fr; gap:46px; align-items:center; }
.image-copy.reverse .image-box { order:2; }
.image-box { overflow:hidden; border-radius:26px; background:#fff; border:1px solid var(--border); box-shadow:var(--shadow); }
.image-box img { display:block; width:100%; height:auto; object-fit:contain; }
.copy-box { padding:16px 0; }

.legal-note { padding:26px 28px; border-left:4px solid var(--bright); background:#fff; box-shadow:0 8px 24px rgba(7,59,134,.07); }

.site-footer { background:var(--footer); color:#fff; }
.footer-accent { height:4px; background:linear-gradient(90deg,#55B9F5,#1785E8,#126BCB); }
.footer-grid { display:grid; grid-template-columns:1.5fr repeat(3,1fr); gap:48px; padding-top:60px; padding-bottom:46px; }
.footer-grid h2 { color:#fff; font-size:17px; margin-bottom:14px; }
.footer-grid a { display:block; color:rgba(255,255,255,.76); text-decoration:none; padding:5px 0; }
.footer-grid a:hover { color:#fff; }
.footer-brand p { max-width:360px; color:rgba(255,255,255,.72); font-size:14px; }
.footer-logo { display:inline-flex !important; margin-bottom:18px; }
.footer-logo img { max-width:150px; max-height:46px; width:auto; }
.footer-bottom { padding:24px 0 32px; border-top:1px solid rgba(255,255,255,.12); color:rgba(255,255,255,.66); font-size:13px; }
.footer-bottom p { margin-bottom:8px; }
.mobile-bottom-nav { display:none; }

@media (max-width: 1180px) {
    .zone-ribbon { grid-template-columns:repeat(3,1fr); }
    .focus-grid { grid-template-columns:repeat(2,1fr); }
    .focus-item:nth-child(2) { border-right:0; }
    .editorial-grid, .entertainment-layout, .activity-layout, .news-layout { grid-template-columns:1fr; }
    .editorial-feature { min-height:440px; }
    .entertainment-stack { grid-template-columns:repeat(3,1fr); }
    .entertainment-row { grid-template-columns:1fr; }
    .entertainment-row img { aspect-ratio:16/9; }
    .feedback-rail { grid-template-columns:1fr 1fr; }
    .feedback-note:nth-child(2), .feedback-note:nth-child(3) { margin-top:0; }
}
@media (max-width: 900px) {
    .section { padding:72px 0; }
    .split-editorial, .app-showcase, .service-duo, .image-copy, .image-copy.reverse { grid-template-columns:1fr; }
    .image-copy.reverse .image-box { order:0; }
    .prose-layout { grid-template-columns:1fr; gap:28px; }
    .side-index { position:static; }
    .feature-lines { grid-template-columns:1fr; }
    .feature-line { border-right:0; border-bottom:1px solid var(--border); }
    .feature-line:last-child { border-bottom:0; }
    .footer-grid { grid-template-columns:1.4fr 1fr 1fr; }
    .footer-brand { grid-column:1/-1; }
}
@media (max-width: 767px) {
    body { padding-bottom:72px; }
    .content-shell, .narrow-shell { width:min(100% - 28px, var(--content)); }
    .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); }
    .drawer-top { min-height:68px; padding:14px 18px; }
    .drawer-body { padding-inline:20px; }
    .hero-slider { margin:12px 14px 0; border-radius:14px; }
    .slider-arrow { width:40px; height:40px; }
    .slider-prev { left:10px; }
    .slider-next { right:10px; }
    .slider-dots { bottom:10px; }
    .focus-strip { margin-top:18px; border-radius:16px; }
    .focus-grid { grid-template-columns:1fr; }
    .focus-item { border-right:0; }
    .editorial-grid { gap:16px; }
    .editorial-feature { min-height:380px; border-radius:20px; }
    .editorial-feature-copy { left:22px; right:22px; bottom:20px; }
    .editorial-panel { padding:28px 24px; border-radius:20px; }
    .zone-ribbon { grid-template-columns:repeat(2,1fr); border-radius:18px; }
    .zone-copy { padding:18px; }
    .zone-copy p { font-size:13px; }
    .split-editorial > div { padding:32px 24px; }
    .entertainment-layout { gap:18px; }
    .esports-feature { min-height:420px; border-radius:20px; }
    .esports-copy { left:22px; right:22px; bottom:20px; }
    .entertainment-stack { grid-template-columns:1fr; }
    .entertainment-row { grid-template-columns:130px 1fr; min-height:140px; }
    .entertainment-row img { aspect-ratio:auto; }
    .entertainment-row div { padding:20px; }
    .app-showcase { gap:26px; }
    .app-visual img { max-height:440px; }
    .activity-main { padding:30px 24px; min-height:auto; border-radius:20px; }
    .news-row { grid-template-columns:1fr; gap:4px; }
    .service-pane { padding:28px 24px; }
    .feedback-rail { grid-template-columns:1fr; }
    .inner-hero { padding:62px 0 58px; }
    .inner-hero p { font-size:17px; }
    .prose p { font-size:16px; line-height:1.85; }
    .feature-lines { border-radius:18px; }
    .footer-grid { grid-template-columns:1fr 1fr; gap:30px; padding-top:44px; }
    .footer-brand { grid-column:1/-1; }
    .mobile-bottom-nav { position:fixed; z-index:9000; left:0; right:0; bottom:0; min-height:64px; display:grid; grid-template-columns:repeat(4,1fr); background:#fff; border-top:1px solid var(--border); box-shadow:0 -8px 24px rgba(5,43,98,.10); padding-bottom:env(safe-area-inset-bottom); }
    .mobile-bottom-nav a { min-height:64px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px; color:#36506d; text-decoration:none; font-size:12px; font-weight:750; }
    .mobile-bottom-nav a span { font-size:18px; line-height:1; }
    .mobile-bottom-nav a.is-current { color:var(--bright); }
}
@media (max-width: 430px) {
    .content-shell, .narrow-shell { width:min(100% - 24px, var(--content)); }
    .header-inner { padding:0 10px; }
    .menu-toggle { width:40px; height:40px; }
    .site-logo img { max-width:104px; max-height:36px; }
    .header-register { padding:0 14px; min-height:38px; }
    .zone-copy h3 { font-size:17px; }
    .zone-copy p { font-size:12.5px; }
    .entertainment-row { grid-template-columns:110px 1fr; }
    .footer-grid { grid-template-columns:1fr; }
}
@media (max-width: 375px) {
    .site-logo img { max-width:96px; }
    .header-register { padding:0 12px; font-size:13px; }
    .menu-toggle { width:38px; height:38px; }
    .menu-toggle span { width:22px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior:auto !important; transition:none !important; animation:none !important; }
}