:root{--bg:#F6FBFF;--white:#fff;--soft:#EFF8FF;--brand:#2AA9E0;--bright:#53C2F2;--navy:#244C78;--heading:#1C3552;--body:#31485F;--muted:#6B8299;--border:rgba(42,169,224,.16);--purple:#6B4FAF;--gold:#D9B15B;--footer:#16324F}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--body);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);overflow-x:hidden}a{color:var(--navy);text-decoration:none}a:hover{color:var(--brand)}button{font:inherit;cursor:pointer}img{max-width:100%}.shell{max-width:1208px;padding:0 24px;margin:0 auto}.top-sticky{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 14px rgba(33,90,134,.06)}.site-header{background:#fff}.header-inner{height:70px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;flex:none;min-width:143px}.brand img{display:block;max-width:175px;height:36px;width:auto;object-fit:contain}.brand strong{font-size:25px;font-weight:900;color:var(--heading);letter-spacing:.6px;white-space:nowrap}.brand strong span{color:var(--purple)}.nav-desktop{display:flex;flex:1;align-items:center;justify-content:center;gap:clamp(10px,1.45vw,25px);white-space:nowrap}.nav-desktop a{display:flex;align-items:center;height:70px;border-bottom:2px solid transparent;font-size:14px;font-weight:600;color:var(--navy)}.nav-desktop a:hover,.nav-desktop a.active{border-color:var(--brand);color:var(--brand)}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-width:82px;min-height:40px;padding:5px 18px;border-radius:999px;background:linear-gradient(135deg,#53C2F2 0%,#2AA9E0 55%,#6B4FAF 100%);color:#fff!important;font-weight:700;white-space:nowrap;line-height:1.4}.main-btn:hover{filter:brightness(.96)}.sub-nav{height:44px;background:var(--soft);border-top:1px solid var(--border)}.sub-nav-scroll{height:100%;display:flex;align-items:center;gap:34px;white-space:nowrap;overflow-x:auto;scrollbar-width:none}.sub-nav-scroll::-webkit-scrollbar{display:none}.sub-nav a{font-size:13px;font-weight:600;color:#58718E}.sub-nav a:hover,.sub-nav 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img{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.media-banner{aspect-ratio:16/7;max-height:280px}.media-wide{aspect-ratio:16/9;max-height:390px}.media-square{aspect-ratio:1/1}.media-device{aspect-ratio:9/16;max-height:360px;max-width:245px;margin:auto}.media-placeholder{background:linear-gradient(145deg,#e7f4ff,#f6fbff 60%,#e5f2ff);position:relative}.media-placeholder:after{content:'';position:absolute;width:18%;height:2px;background:rgba(42,169,224,.24);border-radius:2px}.home-hero{background:linear-gradient(135deg,#fff,#eff8ff);border:1px solid var(--border);border-radius:16px;padding:30px;display:grid;gap:26px;grid-template-columns:1.2fr 1fr;align-items:center}.home-hero h1{font-size:37px}.home-hero p:not(.eyebrow){line-height:1.9}.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.ghost-btn{border:1px solid #b8dbea;border-radius:999px;padding:6px 17px;font-weight:700;background:#fff}.home-section{margin-top:43px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:10px;margin-bottom:18px}.section-head h2{margin-bottom:0}.section-head>a{font-size:14px;font-weight:700}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.category-card,.tile,.service-grid>a,.info-stack>a{border:1px solid var(--border);border-radius:14px;background:#fff;padding:22px;display:block;transition:transform .15s ease,box-shadow .15s ease}.category-card:hover,.service-grid>a:hover,.info-stack>a:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(32,99,152,.09)}.category-card h2,.category-card h3{margin:6px 0 9px}.category-card p,.tile p{font-size:15px;color:#58718e;margin:0}.category-number{font-size:13px;font-weight:800;color:var(--purple)}.more{font-size:13px;font-weight:700;color:var(--brand);display:block;margin-top:15px}.split-feature{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center}.vertical-links{display:grid;gap:7px}.vertical-links a{display:block;padding:8px 0;border-bottom:1px solid var(--border);font-size:15px}.esports-band{padding:32px;border-radius:16px;background:#eaf6ff;display:grid;grid-template-columns:1fr 1fr;gap:32px}.info-stack{display:grid;gap:12px}.info-stack>a{padding:14px 20px}.info-stack strong,.info-stack span{display:block}.info-stack span{font-size:13px;color:var(--muted)}.text-link{font-weight:700;color:var(--brand)}.triple-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.tile a{display:inline-block;font-size:14px;color:var(--brand);margin:14px 12px 0 0;font-weight:700}.duo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.gallery-preview{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.gallery-preview .media{max-height:140px}.gallery-preview span{display:block;padding-top:8px;font-size:14px;font-weight:700}.news-index{counter-reset:newst;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0}.news-index li{counter-increment:newst;background:#fff;border-radius:12px;border:1px solid var(--border);padding:15px}.news-index a{display:block;position:relative;padding-left:41px}.news-index a:before{content:counter(newst,decimal-leading-zero);position:absolute;left:0;top:0;color:var(--brand);font-weight:800}.news-index strong,.news-index span{display:block}.news-index span{font-size:13px;color:var(--muted)}.mobile-feature{display:grid;grid-template-columns:260px 1fr;align-items:center;gap:40px;background:#fff;padding:24px;border-radius:15px;border:1px solid var(--border)}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.service-grid strong,.service-grid span{display:block}.service-grid span{font-size:13px;color:var(--muted)}.responsible-panel{margin-top:40px;border-left:4px solid var(--brand);padding:24px;background:#fff;border-radius:8px}.responsible-panel h2{font-size:20px}.breadcrumbs{font-size:13px;margin-bottom:20px;color:var(--muted)}.page-hero{padding:26px 30px;background:linear-gradient(115deg,#e8f6ff,#fff);border-radius:14px;border:1px solid var(--border);margin-bottom:26px}.page-hero h1{font-size:32px}.page-hero .lead{margin-bottom:0}.page-hero+.media{margin:0 0 28px;max-height:330px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:36px;margin-top:29px}.article-body{max-width:820px}.article-section{padding-bottom:22px;margin-bottom:24px;border-bottom:1px solid var(--border)}.article-section h2{font-size:23px;margin-bottom:16px}.article-section p{line-height:1.85}.reading-note{background:#fff;border:1px solid var(--border);padding:24px;border-radius:13px}.aside-panel{position:sticky;top:135px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:23px}.aside-panel h2{font-size:19px}.aside-panel p{font-size:14px;color:var(--muted)}.aside-panel a{display:block;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}.aside-tip{font-size:12px;color:var(--muted);background:var(--soft);border-radius:8px;margin-top:20px;padding:12px}.related{margin-top:25px}.related h2{font-size:20px}.link-chips{display:flex;flex-wrap:wrap;gap:10px}.link-chips a{background:#eaf6ff;border:1px solid #d0eaf6;border-radius:30px;padding:5px 14px;font-size:14px}.faq-list{display:grid;gap:15px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:13px;padding:23px}.faq-item h2{font-size:18px}.faq-item h2 span{color:var(--brand);margin-right:12px}.faq-item p{margin:0}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0}.gallery-item{background:#fff;border-radius:14px;padding:16px;border:1px solid var(--border)}.gallery-item .media{max-height:215px}.gallery-item h2{font-size:18px;margin:12px 0 7px}.gallery-item p{font-size:14px;color:var(--muted);margin-bottom:0}.site-footer{background:var(--footer);color:#E8F5FF;padding:44px 0 20px}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:35px}.footer-grid h2{color:#fff;font-size:18px}.footer-grid p{font-size:14px;color:#d1e4f3}.footer-grid a{display:block;color:#e8f5ff;font-size:14px;margin-bottom:9px}.footer-grid a:hover{color:#75cff6}.footer-logo{height:35px;width:auto;object-fit:contain}.footer-bottom{border-top:1px solid rgba(255,255,255,.17);padding-top:16px;margin-top:26px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;font-size:12px}.back-top{position:fixed;right:20px;bottom:21px;border:0;border-radius:50%;width:42px;height:42px;background:#2aa9e0;color:white;display:none;z-index:75}.back-top.is-visible{display:block}
@media(max-width:1100px){.nav-desktop{gap:10px}.nav-desktop a{font-size:13px}.brand{min-width:auto}.header-inner{gap:14px}}
@media(max-width:980px){.shell{padding-left:20px;padding-right:20px}.nav-desktop{display:none}.header-inner{height:58px;justify-content:space-between;gap:8px}.brand{margin:auto;min-width:0}.brand img{max-width:145px;height:28px}.brand strong{font-size:22px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;width:40px;height:40px;gap:5px;background:none;border:0;flex:none}.menu-toggle span{width:22px;height:2px;background:var(--navy)}.register-btn{min-width:66px;min-height:36px;height:36px;padding:4px 12px;font-size:13px}.sub-nav{height:44px}.sub-nav-scroll{gap:25px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);height:100vh;height:100dvh;overflow-y:auto;background:#fff;z-index:12000;transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .2s ease,visibility .2s;box-shadow:5px 0 25px rgba(10,34,55,.14)}.mobile-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(28,73,114,.36);z-index:11000;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s}.drawer-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:17px 18px;border-bottom:1px solid var(--border)}.drawer-brand{font-weight:800;color:var(--heading)}.drawer-close{font-size:28px;border:0;background:none;line-height:1;color:var(--navy)}.drawer-group{padding:15px 18px;border-bottom:1px solid var(--border)}.drawer-group h2{font-size:13px;color:var(--brand);margin:0 0 8px}.drawer-group a{display:block;font-size:15px;padding:6px 0}.drawer-group a.active{color:var(--brand);font-weight:700}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);align-items:center;left:0;right:0;bottom:0;height:60px;background:#fff;z-index:90;box-shadow:0 -2px 16px rgba(30,80,120,.1);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;font-size:13px;font-weight:700;color:var(--navy)}.mobile-bottom a.active{color:var(--brand)}.main-shell{padding-bottom:100px}.back-top{bottom:78px}.article-layout{grid-template-columns:minmax(0,1fr)}.article-body{max-width:100%}.aside-panel{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.shell{padding-left:16px;padding-right:16px}.main-shell{padding-top:22px}.home-hero{grid-template-columns:1fr;padding:22px;gap:18px}.home-hero h1{font-size:28px}.home-hero .media-banner{max-height:220px}.home-section{margin-top:30px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.category-card{padding:17px}.category-card h2,.category-card h3{font-size:17px}.split-feature,.esports-band,.duo-grid,.mobile-feature{grid-template-columns:1fr}.split-feature{gap:20px}.esports-band{padding:22px;gap:18px}.triple-grid{grid-template-columns:1fr}.gallery-preview{grid-template-columns:repeat(2,minmax(0,1fr))}.news-index{grid-template-columns:1fr}.mobile-feature{gap:18px}.service-grid{grid-template-columns:repeat(2,1fr)}.page-hero{padding:22px}.page-hero h1{font-size:26px}.article-section h2{font-size:21px}.gallery-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.footer-bottom{flex-direction:column;gap:4px}.section-head h2,h2{font-size:21px}.lead{font-size:15px}body{font-size:15px}}
@media(max-width:375px){.brand strong{font-size:20px}.brand img{max-width:120px}.category-grid{grid-template-columns:1fr}.header-inner{gap:3px}.register-btn{min-width:58px;padding:4px 9px}.gallery-preview{gap:9px}.footer-grid{grid-template-columns:1fr 1fr}.main-shell{padding-bottom:98px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:0.01ms!important}}