:root {
    --bg: #F3F8FF;
    --surface: #FFFFFF;
    --soft-blue: #EAF4FF;
    --soft-gray: #F0F6FC;
    --brand: #0B55B5;
    --brand-deep: #073B86;
    --sport-blue: #126BCB;
    --bright-blue: #1785E8;
    --sky: #55B9F5;
    --highlight: #91D9FF;
    --navy: #10243D;
    --text: #263B52;
    --muted: #667A91;
    --footer: #052B62;
    --border: rgba(11,85,181,.12);
    --shadow: 0 18px 50px rgba(7,59,134,.12);
    --gradient: linear-gradient(135deg,#073B86 0%,#0B55B5 32%,#126BCB 68%,#1785E8 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
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: 1.78; 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; top: 8px; left: 8px; transform: translateY(-150%); background: #fff; color: var(--brand-deep); padding: 8px 12px; z-index: 12000; border-radius: 8px; font-weight: 700; }
.skip-link:focus { transform: none; }
.site-shell { width: min(1320px, calc(100% - 40px)); margin-inline: auto; }
.text-shell { width: min(900px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.section-head { max-width: 780px; margin-bottom: 36px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow { margin: 0 0 8px; color: var(--brand); font-size: 14px; letter-spacing: .12em; font-weight: 800; }
h1,h2,h3 { color: var(--navy); line-height: 1.18; margin-top: 0; }
h1 { font-size: clamp(36px,5vw,62px); letter-spacing: -.025em; }
h2 { font-size: clamp(28px,3.2vw,42px); letter-spacing: -.018em; }
h3 { font-size: 22px; }
p { margin-top: 0; }
.lead { font-size: clamp(18px,2vw,21px); color: #49627C; line-height: 1.8; }
.text-link { color: var(--brand); font-weight: 750; text-decoration: none; border-bottom: 1px solid rgba(11,85,181,.25); }
.text-link:hover { color: var(--bright-blue); border-color: currentColor; }
.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 .2s ease,box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(23,133,232,.35); }
.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: block; }
.site-logo img { display: block; width: auto; max-width: 150px; max-height: 48px; }
.header-register { min-width: 84px; }
.channel-nav { background: #fff; border-bottom: 1px solid var(--border); }
.channel-nav-inner { max-width: 1320px; margin: 0 auto; display: flex; overflow-x: auto; scrollbar-width: none; padding: 0 20px; }
.channel-nav-inner::-webkit-scrollbar { display:none; }
.channel-nav a { position: relative; flex: 0 0 auto; padding: 15px 16px 14px; color: #526B86; font-weight: 720; text-decoration: none; white-space: nowrap; }
.channel-nav a:hover,.channel-nav a.is-active { color: var(--brand); }
.channel-nav a.is-active::after { content:""; position:absolute; left:50%; bottom:0; transform:translateX(-50%); width:28px; height:3px; background:var(--bright-blue); border-radius:3px 3px 0 0; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(1,20,45,.58); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; inset: 0 auto 0 0; z-index: 10001; width: 420px; max-width: 92vw; background: #fff; transform: translateX(-102%); transition: transform .25s ease; box-shadow: 20px 0 60px rgba(0,25,60,.22); display: flex; flex-direction: column; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { min-height: 72px; display:flex; align-items:center; justify-content:space-between; padding: 12px 22px; border-bottom:1px solid var(--border); }
.drawer-logo img,.footer-logo img { display:block; max-width:138px; max-height:44px; width:auto; }
.drawer-close { width:42px; height:42px; border:0; background:var(--soft-blue); color:var(--brand-deep); border-radius:10px; font-size:28px; cursor:pointer; line-height:1; }
.drawer-scroll { padding: 20px 24px 34px; overflow-y:auto; }
.drawer-group { padding: 14px 0 18px; border-bottom:1px solid var(--border); }
.drawer-group h2 { font-size:14px; color:var(--brand); letter-spacing:.08em; margin-bottom:8px; }
.drawer-group a { display:block; min-height:42px; padding:7px 0; color:var(--navy); font-weight:650; text-decoration:none; }
.drawer-group a:hover { color:var(--brand); transform:translateX(2px); }
.drawer-register { margin-top:24px; width:100%; }
.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-track { position:relative; }
.hero-slide { display:none; }
.hero-slide.is-active { display:block; animation:fadeIn .45s ease; }
.hero-slide img { display:block; width:100%; height:auto; object-fit:contain; }
.slider-control { position:absolute; top:50%; transform:translateY(-50%); width:46px; height:46px; border-radius:50%; border:1px solid rgba(255,255,255,.5); background:rgba(4,35,77,.48); color:#fff; font-size:24px; cursor:pointer; z-index:2; backdrop-filter:blur(4px); }
.slider-prev { left:18px; }.slider-next { right:18px; }
.slider-dots { position:absolute; left:50%; bottom:16px; transform:translateX(-50%); display:flex; gap:8px; z-index:2; }
.slider-dot { width:10px; height:10px; padding:0; border:1px solid #fff; border-radius:50%; background:rgba(255,255,255,.32); cursor:pointer; }
.slider-dot.is-active { background:#fff; transform:scale(1.18); }
@keyframes fadeIn { from { opacity:.45; } to { opacity:1; } }
.home-intro { padding: 64px 0 52px; text-align:center; }
.home-intro h1 { max-width:940px; margin:0 auto 18px; }
.home-intro .lead { max-width:820px; margin:0 auto; }
.focus-strip { background:linear-gradient(135deg,#062F6B,#0B55B5 55%,#126BCB); color:#fff; }
.focus-strip .site-shell { padding:38px 0; }
.focus-strip h2 { color:#fff; margin-bottom:24px; font-size:28px; }
.focus-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:28px; }
.focus-item { min-width:0; }
.focus-item h3 { color:#fff; font-size:18px; margin-bottom:8px; }
.focus-item p { color:#DCEEFF; margin-bottom:8px; font-size:15px; }
.focus-item a { color:var(--highlight); font-weight:750; text-decoration:none; }
.asym-grid { display:grid; grid-template-columns:1.6fr 1fr; gap:24px; align-items:stretch; }
.feature-sports { position:relative; min-height:560px; overflow:hidden; border-radius:22px; background:var(--brand-deep); box-shadow:var(--shadow); }
.feature-sports img { width:100%; height:100%; object-fit:cover; display:block; }
.feature-overlay { position:absolute; inset:auto 0 0; padding:44px; background:linear-gradient(180deg,transparent,rgba(3,31,71,.92)); color:#fff; }
.feature-overlay h2,.feature-overlay h3 { color:#fff; }
.feature-overlay p { color:#E8F4FF; max-width:640px; }
.side-stack { display:grid; grid-template-rows:1fr 1fr; gap:24px; }
.sport-panel { position:relative; overflow:hidden; border-radius:22px; padding:34px; min-height:260px; background:radial-gradient(circle at 80% 20%,rgba(145,217,255,.35),transparent 33%),var(--gradient); color:#fff; }
.sport-panel:nth-child(2) { background:radial-gradient(circle at 20% 80%,rgba(85,185,245,.42),transparent 35%),linear-gradient(135deg,#052B62,#0B55B5); }
.sport-panel h3 { color:#fff; font-size:30px; }
.sport-panel p { color:#DFEEFF; }
.sport-panel .text-link { color:#fff; border-color:rgba(255,255,255,.45); }
.guide-grid { display:grid; grid-template-columns: .9fr 1.1fr; gap:56px; align-items:start; }
.number-list { margin:0; padding:0; list-style:none; counter-reset:item; }
.number-list li { counter-increment:item; position:relative; padding:0 0 26px 58px; border-left:1px solid var(--border); margin-left:20px; }
.number-list li:last-child { padding-bottom:0; }
.number-list li::before { content:counter(item,decimal-leading-zero); position:absolute; left:-21px; top:0; width:42px; height:42px; border-radius:50%; background:#fff; border:1px solid var(--border); color:var(--brand); display:grid; place-items:center; font-weight:850; box-shadow:0 8px 20px rgba(7,59,134,.08); }
.zone-scroll { display:grid; grid-template-columns:repeat(6,minmax(190px,1fr)); gap:18px; overflow-x:auto; padding-bottom:8px; scroll-snap-type:x proximity; }
.zone-item { min-width:190px; background:#fff; border:1px solid var(--border); border-radius:18px; overflow:hidden; box-shadow:0 12px 30px rgba(7,59,134,.08); scroll-snap-align:start; }
.zone-item img { display:block; width:100%; aspect-ratio:4/3; object-fit:contain; background:var(--soft-gray); }
.zone-copy { padding:20px; }
.zone-copy h3 { margin-bottom:9px; }
.zone-copy p { font-size:14px; color:var(--muted); }
.duo-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.editorial-panel { background:#fff; border-top:5px solid var(--bright-blue); padding:38px; box-shadow:var(--shadow); }
.editorial-panel h2 { font-size:34px; }
.deep-section { background:radial-gradient(circle at 72% 35%,rgba(85,185,245,.40),transparent 38%),linear-gradient(135deg,#073B86 0%,#0B55B5 46%,#126BCB 100%); color:#fff; }
.deep-section h2,.deep-section h3 { color:#fff; }
.deep-section p { color:#E2F0FF; }
.ent-grid { display:grid; grid-template-columns:1.25fr .9fr; gap:28px; align-items:stretch; }
.esports-spotlight { border:1px solid rgba(255,255,255,.16); border-radius:22px; overflow:hidden; background:rgba(255,255,255,.06); }
.esports-spotlight img { display:block; width:100%; height:auto; }
.esports-spotlight .copy { padding:32px; }
.ent-list { display:flex; flex-direction:column; gap:16px; }
.ent-row { display:grid; grid-template-columns:140px 1fr; gap:20px; align-items:center; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14); border-radius:18px; overflow:hidden; }
.ent-row img { width:140px; height:112px; object-fit:cover; }
.ent-row .copy { padding:14px 18px 14px 0; }
.ent-row h3 { margin-bottom:6px; }
.app-banner { background:radial-gradient(circle at 25% 30%,rgba(145,217,255,.25),transparent 35%),linear-gradient(135deg,#073B86,#126BCB); color:#fff; }
.app-grid { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:48px; }
.app-copy h2 { color:#fff; font-size:clamp(36px,4vw,54px); }
.app-copy p { color:#E4F2FF; }
.app-actions { display:flex; flex-wrap:wrap; gap:18px; align-items:center; margin-top:26px; }
.app-actions .text-link { color:#fff; border-color:rgba(255,255,255,.45); }
.app-visual img { display:block; max-height:560px; margin:auto; object-fit:contain; }
.activities-layout { display:grid; grid-template-columns:1.25fr .75fr; gap:28px; }
.activity-feature { min-height:420px; padding:46px; background:linear-gradient(145deg,#fff,var(--soft-blue)); border:1px solid var(--border); position:relative; overflow:hidden; }
.activity-feature::after { content:""; position:absolute; width:260px; height:260px; border-radius:50%; right:-70px; bottom:-90px; background:rgba(85,185,245,.23); }
.activity-feature h2 { max-width:620px; }
.activity-list { display:grid; gap:14px; }
.activity-note { padding:22px 24px; background:#fff; border-left:4px solid var(--bright-blue); box-shadow:0 10px 28px rgba(7,59,134,.07); }
.activity-note h3 { font-size:19px; margin-bottom:5px; }
.news-layout { display:grid; grid-template-columns:1.12fr .88fr; gap:50px; }
.news-feature { border-top:6px solid var(--brand); padding-top:28px; }
.news-feature h2 { font-size:38px; }
.news-list { border-top:1px solid var(--border); }
.news-item { padding:20px 0; border-bottom:1px solid var(--border); }
.news-item span { color:var(--brand); font-size:13px; font-weight:800; }
.news-item h3 { font-size:19px; margin:4px 0 6px; }
.news-item p { color:var(--muted); font-size:15px; margin:0; }
.service-duo { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.service-pane { padding:38px; border-radius:20px; background:#fff; border:1px solid var(--border); }
.service-pane.dark { background:linear-gradient(145deg,#052B62,#0B55B5); color:#fff; }
.service-pane.dark h2,.service-pane.dark h3 { color:#fff; }
.service-pane.dark p,.service-pane.dark li { color:#DCEEFF; }
.clean-list { padding-left:20px; margin-bottom:0; }
.clean-list li { margin-bottom:8px; }
.feedback-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.feedback-item { background:#fff; padding:28px; border:1px solid var(--border); border-radius:18px; }
.feedback-item p { margin:0; font-size:15px; }
.feedback-item strong { display:block; color:var(--brand); margin-bottom:10px; }
.faq-list { border-top:1px solid var(--border); }
.faq-item { border-bottom:1px solid var(--border); }
.faq-question { width:100%; min-height:68px; display:flex; align-items:center; justify-content:space-between; gap:20px; text-align:left; padding:18px 4px; background:transparent; border:0; color:var(--navy); font:inherit; font-size:18px; font-weight:780; cursor:pointer; }
.faq-question::after { content:"+"; flex:0 0 auto; width:30px; height:30px; display:grid; place-items:center; border-radius:50%; background:var(--soft-blue); color:var(--brand); }
.faq-item.is-open .faq-question::after { content:"−"; }
.faq-answer { padding:0 46px 22px 4px; color:#526B86; }
.responsible-banner { background:#fff; border:1px solid var(--border); border-left:6px solid var(--brand); padding:34px 38px; }
.responsible-banner h2 { font-size:30px; }
.page-hero { background:radial-gradient(circle at 72% 35%,rgba(85,185,245,.34),transparent 38%),var(--gradient); color:#fff; padding:86px 0 78px; }
.page-hero h1 { color:#fff; max-width:920px; margin-bottom:20px; }
.page-hero .lead { color:#E5F2FF; max-width:820px; margin-bottom:0; }
.breadcrumbs { font-size:14px; color:#CDE6FF; margin-bottom:28px; }
.breadcrumbs a { color:#fff; text-decoration:none; }
.content-article { background:#fff; }
.content-article .text-shell { padding:78px 0; }
.content-article h2 { margin-top:48px; }
.content-article h2:first-child { margin-top:0; }
.content-article h3 { margin-top:30px; }
.content-article p { font-size:17px; }
.content-image { width:100%; height:auto; object-fit:contain; display:block; margin:32px 0 40px; border-radius:20px; box-shadow:var(--shadow); }
.info-band { background:var(--soft-blue); border-block:1px solid var(--border); }
.info-band .site-shell { padding:58px 0; display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.info-band h3 { margin-bottom:8px; }
.info-band p { margin-bottom:0; color:var(--muted); }
.topic-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.topic-card { padding:30px; background:#fff; border:1px solid var(--border); border-radius:18px; box-shadow:0 12px 32px rgba(7,59,134,.06); }
.topic-card h3 { color:var(--brand-deep); }
.topic-card p:last-child { margin-bottom:0; }
.steps { counter-reset:step; padding:0; margin:0; list-style:none; }
.steps li { counter-increment:step; position:relative; padding:4px 0 30px 66px; min-height:62px; }
.steps li::before { content:counter(step); position:absolute; left:0; top:0; width:44px; height:44px; border-radius:14px; display:grid; place-items:center; background:var(--gradient); color:#fff; font-weight:850; }
.notice { padding:24px 28px; background:#F5FAFF; border:1px solid var(--border); border-left:4px solid var(--sky); margin:30px 0; }
.notice strong { color:var(--brand-deep); }
.zone-detail { display:grid; grid-template-columns:280px 1fr; gap:38px; align-items:center; padding:34px 0; border-bottom:1px solid var(--border); }
.zone-detail:last-child { border-bottom:0; }
.zone-detail img { width:100%; max-height:220px; object-fit:contain; border-radius:16px; background:var(--soft-gray); }
.zone-detail h2 { margin:0 0 12px; font-size:30px; }
.site-footer { background:#052B62; color:#fff; padding-bottom:76px; }
.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:58px; padding-bottom:42px; }
.site-footer h2 { color:#fff; font-size:17px; margin-bottom:18px; }
.site-footer p { color:#C9DDF5; }
.site-footer section > a:not(.footer-logo) { display:block; color:#DDEBFA; text-decoration:none; padding:5px 0; font-size:15px; }
.site-footer section > a:hover { color:#fff; }
.footer-brand p { max-width:360px; margin-top:20px; font-size:15px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding-top:24px; display:flex; justify-content:space-between; gap:28px; align-items:flex-start; }
.footer-bottom p { font-size:13px; margin:0; max-width:780px; }
.mobile-bottom-nav { display:none; }
@media (max-width: 1024px) {
    .section { padding:76px 0; }
    .focus-grid { grid-template-columns:repeat(2,1fr); }
    .asym-grid,.ent-grid,.activities-layout,.news-layout { grid-template-columns:1fr; }
    .feature-sports { min-height:500px; }
    .side-stack { grid-template-columns:1fr 1fr; grid-template-rows:none; }
    .guide-grid { gap:38px; }
    .feedback-grid { grid-template-columns:repeat(2,1fr); }
    .topic-grid { grid-template-columns:repeat(2,1fr); }
    .footer-grid { grid-template-columns:1.4fr 1fr 1fr; }
    .footer-grid section:last-child { grid-column:2 / -1; }
}
@media (max-width: 767px) {
    body { padding-bottom:68px; }
    .site-shell,.text-shell { 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; }
    .header-register { min-width:72px; }
    .channel-nav { display:none; }
    .site-drawer { width:min(86vw,360px); }
    .drawer-head { min-height:64px; padding:10px 16px; }
    .drawer-scroll { padding:16px 20px 28px; }
    .hero-slider { margin:14px 14px 0; border-radius:14px; }
    .slider-control { width:38px; height:38px; font-size:20px; }
    .slider-prev { left:10px; }.slider-next { right:10px; }
    .slider-dots { bottom:10px; }
    .home-intro { padding:46px 0 40px; }
    .section { padding:58px 0; }
    .section-sm { padding:46px 0; }
    .section-head { margin-bottom:26px; }
    h1 { font-size:clamp(34px,11vw,42px); }
    h2 { font-size:clamp(27px,8vw,32px); }
    .focus-strip .site-shell { padding:30px 0; }
    .focus-grid,.duo-grid,.service-duo,.feedback-grid,.info-band .site-shell,.topic-grid { grid-template-columns:1fr; }
    .focus-grid { gap:22px; }
    .asym-grid { gap:18px; }
    .feature-sports { min-height:auto; }
    .feature-sports img { height:auto; object-fit:contain; }
    .feature-overlay { position:relative; padding:28px; background:#073B86; }
    .side-stack { grid-template-columns:1fr; gap:18px; }
    .sport-panel { min-height:auto; padding:28px; }
    .guide-grid { grid-template-columns:1fr; gap:28px; }
    .zone-scroll { margin-right:-14px; grid-template-columns:repeat(6,230px); padding-right:14px; }
    .editorial-panel { padding:28px; }
    .ent-row { grid-template-columns:112px 1fr; }
    .ent-row img { width:112px; height:100%; min-height:110px; }
    .app-grid { grid-template-columns:1fr; gap:28px; }
    .app-copy { text-align:left; }
    .app-visual { order:-1; }
    .app-visual img { max-height:380px; }
    .activity-feature { min-height:0; padding:32px; }
    .news-layout { gap:34px; }
    .page-hero { padding:58px 0 52px; }
    .content-article .text-shell { padding:56px 0; }
    .content-article p { font-size:16px; }
    .zone-detail { grid-template-columns:1fr; gap:18px; }
    .zone-detail img { max-height:none; }
    .footer-grid { grid-template-columns:1fr 1fr; gap:34px 24px; padding-top:42px; }
    .footer-grid .footer-brand { grid-column:1 / -1; }
    .footer-grid section:last-child { grid-column:auto; }
    .footer-bottom { flex-direction:column; }
    .site-footer { padding-bottom:28px; }
    .mobile-bottom-nav { position:fixed; left:0; right:0; bottom:0; z-index:9998; height:64px; display:grid; grid-template-columns:repeat(4,1fr); background:#fff; box-shadow:0 -8px 24px rgba(7,59,134,.12); border-top:1px solid var(--border); }
    .mobile-bottom-nav a { min-width:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px; color:#35506E; font-size:12px; font-weight:720; text-decoration:none; }
    .mobile-bottom-nav a span { font-size:17px; line-height:1; }
    .mobile-bottom-nav a.is-active { color:var(--bright-blue); }
    .responsible-banner { padding:28px; }
}
@media (max-width: 390px) {
    .header-inner { padding:0 10px; }
    .menu-toggle { width:38px; height:38px; }
    .menu-toggle span { width:22px; }
    .site-logo img { max-width:104px; max-height:34px; }
    .header-register { min-width:64px; padding:0 13px; font-size:13px; }
    .ent-row { grid-template-columns:96px 1fr; gap:14px; }
    .ent-row img { width:96px; }
    .ent-row .copy { padding-right:12px; }
}
@media (prefers-reduced-motion: reduce) {
    *,*::before,*::after { scroll-behavior:auto !important; transition:none !important; animation:none !important; }
}