:root {
    --bg: #F3F8FF;
    --white: #FFFFFF;
    --soft: #EAF4FF;
    --soft-gray: #F0F6FC;
    --brand: #0B55B5;
    --brand-deep: #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", 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; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--highlight); outline-offset: 3px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 12000; padding: 8px 12px; border-radius: 8px; background: #fff; color: var(--brand-deep); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(1320px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(900px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.eyebrow { display: inline-block; margin: 0 0 12px; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--bright); }
h1, h2, h3 { margin-top: 0; color: var(--navy); line-height: 1.18; }
h1 { font-size: clamp(38px, 5vw, 60px); letter-spacing: -.035em; }
h2 { font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -.025em; }
h3 { font-size: 22px; }
p { margin: 0 0 1.15em; }
.lead { font-size: clamp(18px, 2vw, 21px); color: #405a73; }
.text-link { display: inline-flex; gap: 6px; align-items: center; color: var(--brand); font-weight: 750; text-decoration: none; border-bottom: 1px solid rgba(11,85,181,.25); }
.text-link:hover { color: var(--bright); border-color: var(--bright); }
.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(-2px); box-shadow: 0 14px 30px rgba(23,133,232,.34); }
.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; }
.channel-nav { background: #fff; border-bottom: 1px solid var(--border); }
.channel-nav-inner { max-width: 1320px; margin: auto; padding: 0 20px; display: flex; align-items: stretch; overflow-x: auto; scrollbar-width: thin; }
.channel-nav a { position: relative; flex: 0 0 auto; padding: 13px 14px 12px; color: #526B86; text-decoration: none; font-size: 14px; font-weight: 700; white-space: nowrap; }
.channel-nav a:hover, .channel-nav a.is-active { color: var(--brand); }
.channel-nav a.is-active::after { content: ""; position: absolute; height: 3px; left: 14px; right: 14px; bottom: 0; border-radius: 999px; background: var(--bright); }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(4,24,51,.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 .26s ease; box-shadow: 30px 0 80px rgba(5,43,98,.22); overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { min-height: 76px; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.drawer-logo img { display: block; max-width: 132px; max-height: 44px; }
.drawer-close { width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 12px; background: var(--soft-gray); color: var(--navy); font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-nav { padding: 22px 24px 40px; }
.drawer-nav section { padding: 10px 0 18px; border-bottom: 1px solid var(--border); }
.drawer-nav h2 { margin: 0 0 9px; color: var(--brand); font-size: 13px; letter-spacing: .08em; }
.drawer-nav a { display: block; min-height: 40px; padding: 7px 0; color: var(--navy); text-decoration: none; font-weight: 650; }
.drawer-nav a:hover { color: var(--bright); transform: translateX(4px); }
.page-hero { position: relative; overflow: hidden; padding: 92px 0 86px; 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%); }
.page-hero h1, .page-hero h2 { color: #fff; }
.page-hero .lead { max-width: 780px; color: rgba(255,255,255,.86); }
.page-hero .eyebrow { color: var(--highlight); }
.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; animation: fade .35s ease; }
.hero-slide img { display: block; width: 100%; height: auto; object-fit: contain; }
.slider-btn { position: absolute; top: 50%; z-index: 3; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.6); border-radius: 50%; background: rgba(5,43,98,.52); color: #fff; font-size: 26px; cursor: pointer; transform: translateY(-50%); backdrop-filter: blur(8px); }
.slider-btn:hover { background: rgba(5,43,98,.82); }
.slider-btn.prev { left: 18px; }.slider-btn.next { right: 18px; }
.slider-dots { position: absolute; z-index: 4; left: 0; right: 0; bottom: 15px; display: flex; justify-content: center; gap: 8px; }
.slider-dot { width: 10px; height: 10px; padding: 0; border: 1px solid rgba(255,255,255,.8); border-radius: 50%; background: rgba(255,255,255,.25); cursor: pointer; }
.slider-dot.is-active { background: #fff; transform: scale(1.18); }
@keyframes fade { from { opacity: .55; } to { opacity: 1; } }
.focus-strip { background: var(--brand-deep); color: #fff; }
.focus-grid { display: grid; grid-template-columns: 1.05fr repeat(4,1fr); gap: 0; }
.focus-heading { padding: 28px 28px 28px 0; display: flex; align-items: center; }
.focus-heading h2 { margin: 0; color: #fff; font-size: 25px; }
.focus-item { padding: 24px 22px; border-left: 1px solid rgba(255,255,255,.14); }
.focus-item h3 { margin-bottom: 7px; color: #fff; font-size: 17px; }
.focus-item p { margin-bottom: 6px; color: rgba(255,255,255,.76); font-size: 14px; line-height: 1.65; }
.focus-item a { color: var(--highlight); text-decoration: none; font-weight: 700; font-size: 14px; }
.section-heading { max-width: 790px; margin-bottom: 36px; }
.editorial-grid { display: grid; grid-template-columns: 1.4fr .9fr; gap: 26px; }
.feature-panel { position: relative; overflow: hidden; min-height: 520px; padding: 34px; border-radius: 20px; background: linear-gradient(180deg, rgba(7,59,134,.03), rgba(7,59,134,.96)), url('sports.webp') center/cover no-repeat; display: flex; align-items: flex-end; box-shadow: var(--shadow); }
.feature-panel > div { max-width: 620px; }
.feature-panel h2, .feature-panel p { color: #fff; }
.side-stack { display: grid; grid-template-rows: 1fr 1fr; gap: 26px; }
.sport-block { min-height: 245px; padding: 30px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 18px 40px rgba(7,59,134,.07); }
.sport-block:nth-child(2) { background: linear-gradient(135deg,#EAF4FF,#fff); }
.zone-ribbon { background: #fff; border-block: 1px solid var(--border); }
.zone-list { display: grid; grid-template-columns: repeat(6,1fr); gap: 16px; }
.zone-item { min-width: 0; }
.zone-item img { width: 100%; aspect-ratio: 4/3; object-fit: contain; border-radius: 14px; background: var(--soft-gray); }
.zone-item h3 { margin: 15px 0 7px; font-size: 18px; }
.zone-item p { color: var(--muted); font-size: 14px; line-height: 1.7; }
.dual-sports { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.dual-sports article { padding: 38px; border-radius: 22px; }
.dual-sports article:first-child { background: var(--soft); }
.dual-sports article:last-child { background: #fff; border: 1px solid var(--border); }
.dark-feature { color: #fff; background: radial-gradient(circle at 20% 25%, rgba(145,217,255,.17), transparent 30%), linear-gradient(135deg,#052B62,#0B55B5); }
.dark-feature h2, .dark-feature h3 { color: #fff; }
.entertainment-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: stretch; }
.esports-feature { display: grid; align-content: end; min-height: 520px; padding: 34px; border-radius: 20px; background: linear-gradient(180deg, rgba(5,43,98,.1), rgba(5,43,98,.93)), url('电竞.webp') center/cover no-repeat; }
.entertainment-list { display: grid; gap: 16px; }
.entertainment-row { display: grid; grid-template-columns: 150px 1fr; gap: 20px; align-items: center; padding: 14px; border-radius: 18px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); }
.entertainment-row img { width: 150px; height: 104px; object-fit: contain; border-radius: 12px; background: rgba(255,255,255,.07); }
.entertainment-row p { margin: 0; color: rgba(255,255,255,.76); font-size: 14px; }
.app-band { 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: .95fr 1.05fr; gap: 50px; align-items: center; }
.app-grid h2 { color: #fff; }
.app-grid p { color: rgba(255,255,255,.82); }
.app-visual { padding: 20px; border-radius: 26px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); }
.app-visual img { display: block; width: 100%; height: auto; object-fit: contain; }
.activity-layout { display: grid; grid-template-columns: 1.3fr .8fr; gap: 36px; }
.activity-feature { padding: 44px; border-radius: 22px; color: #fff; background: linear-gradient(135deg,#073B86,#1785E8); }
.activity-feature h2 { color: #fff; }
.activity-list { display: grid; gap: 18px; }
.activity-list article { padding: 0 0 18px; border-bottom: 1px solid var(--border); }
.news-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; }
.news-lead { padding-right: 30px; border-right: 1px solid var(--border); }
.news-stack article { padding: 18px 0; border-bottom: 1px solid var(--border); }
.news-stack h3 { margin-bottom: 5px; font-size: 19px; }
.news-stack p { margin: 0; color: var(--muted); font-size: 14px; }
.service-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.service-pair article { padding: 36px; border-radius: 20px; }
.service-pair article:first-child { color: #fff; background: var(--brand-deep); }
.service-pair article:first-child h2 { color: #fff; }
.service-pair article:last-child { background: #fff; border: 1px solid var(--border); }
.check-list { padding: 0; margin: 20px 0 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; margin: 10px 0; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--sky); font-weight: 900; }
.feedback-wall { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 18px; }
.feedback { padding: 26px; border-radius: 18px; background: #fff; border: 1px solid var(--border); }
.feedback:nth-child(2), .feedback:nth-child(5) { background: var(--soft); }
.feedback:nth-child(4) { grid-column: span 2; }
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question { width: 100%; min-height: 64px; padding: 17px 8px; border: 0; background: transparent; display: flex; justify-content: space-between; gap: 20px; color: var(--navy); text-align: left; font-size: 17px; font-weight: 800; cursor: pointer; }
.faq-question::after { content: "+"; color: var(--brand); font-size: 24px; }
.faq-item.is-open .faq-question::after { content: "−"; }
.faq-answer { display: none; padding: 0 8px 22px; color: #526B86; }
.faq-item.is-open .faq-answer { display: block; }
.notice-band { padding: 34px 0; background: var(--soft); border-block: 1px solid var(--border); }
.notice-band .container { display: flex; gap: 28px; align-items: center; justify-content: space-between; }
.notice-band h2 { margin: 0; font-size: 24px; }
.notice-band p { margin: 0; max-width: 820px; }
.content-shell { background: #fff; }
.prose { width: min(900px, calc(100% - 40px)); margin: 0 auto; padding: 78px 0 92px; font-size: 17px; line-height: 1.88; }
.prose > * + h2 { margin-top: 54px; }
.prose h2 { margin-bottom: 18px; }
.prose h3 { margin-top: 34px; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: 8px 0; }
.prose .content-image { width: 100%; height: auto; object-fit: contain; margin: 28px 0 38px; border-radius: 18px; background: var(--soft-gray); box-shadow: var(--shadow); }
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; margin: 46px 0; }
.info-panel { padding: 28px; border-radius: 18px; background: var(--soft-gray); border: 1px solid var(--border); }
.band-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin: 34px 0; }
.band-grid article { padding: 26px; border-top: 4px solid var(--bright); background: var(--soft-gray); }
.zone-detail { display: grid; grid-template-columns: 220px 1fr; gap: 30px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--border); }
.zone-detail img { width: 220px; height: auto; object-fit: contain; border-radius: 16px; background: var(--soft-gray); }
.zone-detail:last-child { border-bottom: 0; }
.meta-note { padding: 18px 20px; border-left: 4px solid var(--bright); background: var(--soft); color: #405a73; }
.contact-visual { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: center; }
.contact-visual img { width: 100%; border-radius: 20px; object-fit: contain; }
.site-footer { position: relative; background: var(--footer); color: #fff; border-top: 4px solid var(--bright); }
.footer-grid { padding: 58px 0 40px; display: grid; grid-template-columns: 1.4fr repeat(3,1fr); gap: 42px; }
.footer-grid h2 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.footer-grid a { display: block; margin: 8px 0; color: rgba(255,255,255,.76); text-decoration: none; font-size: 14px; }
.footer-grid a:hover { color: var(--highlight); }
.footer-brand img { max-width: 150px; max-height: 48px; object-fit: contain; }
.footer-brand p { margin-top: 18px; max-width: 380px; color: rgba(255,255,255,.72); font-size: 14px; }
.footer-bottom { padding: 20px 0 28px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.62); font-size: 13px; }
.footer-bottom p:last-child { margin-bottom: 0; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1100px) {
    .zone-list { grid-template-columns: repeat(3,1fr); }
    .focus-grid { grid-template-columns: 1fr 1fr; }
    .focus-heading { grid-column: 1 / -1; padding-left: 0; }
    .focus-item:nth-child(even) { border-left: 0; }
    .editorial-grid, .entertainment-grid, .app-grid, .activity-layout, .news-layout { gap: 28px; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
    .section { padding: 72px 0; }
    .editorial-grid, .entertainment-grid, .activity-layout, .news-layout, .service-pair, .split-section, .contact-visual { grid-template-columns: 1fr; }
    .feature-panel, .esports-feature { min-height: 430px; }
    .dual-sports, .app-grid { grid-template-columns: 1fr; }
    .news-lead { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--border); padding-bottom: 24px; }
    .feedback-wall { grid-template-columns: 1fr 1fr; }
    .feedback:nth-child(4) { grid-column: auto; }
    .zone-detail { grid-template-columns: 170px 1fr; }
    .band-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
    body { padding-bottom: 66px; }
    .container, .narrow, .prose { 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: 0; }
    .slider-btn { width: 40px; height: 40px; }
    .slider-btn.prev { left: 10px; }.slider-btn.next { right: 10px; }
    .focus-grid { grid-template-columns: 1fr; }
    .focus-heading { padding: 24px 0 10px; }
    .focus-item, .focus-item:nth-child(even) { border-left: 0; border-top: 1px solid rgba(255,255,255,.12); padding-inline: 0; }
    .section { padding: 58px 0; }.section-sm { padding: 48px 0; }
    .section-heading { margin-bottom: 28px; }
    .side-stack { grid-template-rows: auto; }
    .feature-panel { min-height: 390px; padding: 26px; }
    .zone-list { grid-template-columns: repeat(2,1fr); }
    .sport-block, .dual-sports article, .activity-feature, .service-pair article { padding: 28px 24px; }
    .entertainment-row { grid-template-columns: 112px 1fr; gap: 14px; }
    .entertainment-row img { width: 112px; height: 86px; }
    .feedback-wall { grid-template-columns: 1fr; }
    .notice-band .container { align-items: flex-start; flex-direction: column; }
    .prose { padding: 56px 0 72px; font-size: 16px; }
    .zone-detail { grid-template-columns: 1fr; gap: 18px; }
    .zone-detail img { width: 100%; max-height: 250px; }
    .band-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; padding-top: 46px; }
    .footer-brand { grid-column: 1 / -1; }
    .mobile-bottom-nav { position: fixed; z-index: 9900; left: 0; right: 0; bottom: 0; min-height: 62px; display: grid; grid-template-columns: repeat(4,1fr); background: #fff; box-shadow: 0 -10px 28px rgba(5,43,98,.12); border-top: 1px solid var(--border); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 62px; color: var(--navy); text-decoration: none; font-size: 12px; font-weight: 750; }
    .mobile-bottom-nav a span { font-size: 18px; line-height: 1; margin-bottom: 4px; }
    .mobile-bottom-nav a.is-active { color: var(--bright); }
}
@media (max-width: 420px) {
    .header-inner { padding-inline: 10px; }
    .site-logo img { max-width: 98px; }
    .main-btn { padding-inline: 13px; }
    .menu-toggle { width: 38px; height: 38px; }
    .menu-toggle span { width: 22px; }
    .zone-list { gap: 12px; }
    .zone-item p { font-size: 13px; }
    .entertainment-row { grid-template-columns: 92px 1fr; }
    .entertainment-row img { width: 92px; height: 72px; }
    .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; transition-duration: .001ms !important; }
}