:root{--bg:#07111A;--deep:#050B12;--surface:#0D1B2A;--surface2:#102538;--card:#132B3E;--text:#D7E2EA;--muted:#9CB0C0;--soft:#748A9D;--white:#F4F8FC;--blue:#2F80ED;--blue2:#56A8F5;--blue3:#174A7E;--cyan:#2A9DAD;--line:rgba(86,168,245,.20);--cardline:rgba(86,168,245,.16);--shadow:0 14px 36px rgba(0,0,0,.26);--radius:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden;padding-top:106px}
body.is-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;object-fit:contain;object-position:center}
.wrap{width:min(1080px,calc(100% - 32px));margin-inline:auto}
.topbar{position:fixed;inset:0 0 auto 0;height:20px;background:var(--deep);z-index:50;border-bottom:1px solid rgba(255,255,255,.04)}
.topbar-inner{height:20px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}
.text-btn{border:0;background:transparent;color:var(--text);min-height:20px;padding:0 6px}
.brandbar{position:fixed;top:20px;left:0;right:0;height:54px;background:var(--surface);z-index:50;border-bottom:1px solid var(--line)}
.brandbar-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;min-width:0}
.brand img{height:24px;width:auto;max-width:220px}
.brand-text{font-weight:800;color:var(--white);font-size:16px}.brand-text small{font-size:11px;color:var(--blue2);margin-left:7px}
.brand-actions{display:flex;align-items:center;gap:8px}
.mini-link,.menu-btn{min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:11px;background:var(--surface2);color:var(--white);display:inline-flex;align-items:center;justify-content:center}
.menu-btn{min-width:64px}
.quicknav{position:fixed;top:74px;left:0;right:0;height:32px;background:rgba(5,11,18,.96);z-index:45;border-bottom:1px solid rgba(86,168,245,.1)}
.quicknav-inner{display:flex;align-items:center;gap:6px;height:32px}
.quicknav a{height:26px;padding:2px 12px;border-radius:9px;font-size:14px;color:var(--muted);display:flex;align-items:center}
.quicknav a:hover{background:var(--surface2);color:var(--white)}
.quicknav a.is-current{background:linear-gradient(135deg,var(--blue2),var(--blue),var(--blue3));color:#fff;box-shadow:0 6px 16px rgba(47,128,237,.24)}
main{min-height:55vh}
.section{padding:56px 0;border-bottom:1px solid rgba(86,168,245,.08)}
.section.compact{padding:38px 0}
.hero{padding:58px 0 52px;background:radial-gradient(circle at 80% 20%,rgba(47,128,237,.16),transparent 34%),linear-gradient(180deg,#0A1825 0%,var(--bg) 100%)}
.eyebrow{display:inline-flex;align-items:center;min-height:30px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;color:var(--blue2);font-size:13px;margin-bottom:14px;background:rgba(47,128,237,.07)}
h1,h2,h3{color:var(--white);line-height:1.3;margin:0 0 14px}
h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}
p{margin:0 0 14px}
.lead{font-size:16px;max-width:780px;color:#cfe0eb}
.muted{color:var(--muted)}
.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{min-height:44px;padding:10px 17px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;border:1px solid transparent;transition:filter .18s,box-shadow .18s,transform .18s}
.btn-primary{background:linear-gradient(135deg,#56A8F5 0%,#2F80ED 52%,#174A7E 100%);color:#fff;box-shadow:0 6px 16px rgba(47,128,237,.24)}
.btn-secondary{background:var(--surface);color:var(--white);border-color:var(--line)}
.btn:hover{filter:brightness(1.08);box-shadow:0 0 0 3px rgba(86,168,245,.30),0 10px 24px rgba(47,128,237,.30)}
.btn:active{filter:brightness(1.12);box-shadow:0 0 0 4px rgba(86,168,245,.35),0 0 22px rgba(47,128,237,.48)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid #56A8F5;outline-offset:2px}
.grid-2{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:24px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{background:linear-gradient(180deg,rgba(19,43,62,.95),rgba(13,27,42,.98));border:1px solid var(--cardline);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card p:last-child{margin-bottom:0}
.media-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.72fr);gap:24px;align-items:center}
.media-slot{min-height:210px;border-radius:var(--radius);background:linear-gradient(145deg,#102538,#0B1723);border:1px solid var(--cardline);display:flex;align-items:center;justify-content:center;padding:14px}
.media-slot img{max-height:260px;width:100%;height:100%}
.app-slot{width:min(240px,100%);height:320px;margin-inline:auto}
.longread{width:min(800px,100%);margin-inline:auto}
.longread h2{margin-top:30px}
.longread h3{margin-top:24px}
.note{border-left:3px solid var(--blue2);padding:14px 16px;background:rgba(47,128,237,.07);border-radius:0 12px 12px 0}
.kicker-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.kicker-list span{padding:6px 10px;border-radius:999px;background:var(--surface2);border:1px solid var(--line);color:var(--muted);font-size:13px}
.link-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.link-list a{padding:14px;border:1px solid var(--cardline);border-radius:12px;background:var(--surface);transition:.18s}.link-list a:hover{border-color:var(--blue2);background:var(--surface2)}
.step-list{counter-reset:step;display:grid;gap:12px}.step{position:relative;padding:18px 18px 18px 58px;border-radius:14px;background:var(--card);border:1px solid var(--cardline)}.step:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--blue3);color:#fff;font-weight:700}
.faq-list{display:grid;gap:12px}.faq-item{background:var(--card);border:1px solid var(--cardline);border-radius:14px;padding:18px}.faq-item h2{font-size:16px;margin-bottom:9px}.faq-item p{margin:0;color:var(--text)}
.overlay{position:fixed;inset:0;background:rgba(1,7,12,.68);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.18s}
.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.menu-card{position:fixed;right:max(16px,calc((100vw - 1080px)/2));top:84px;width:min(440px,calc(100vw - 32px));max-height:68vh;overflow:auto;z-index:80;background:#0B1723;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.42);padding:18px;opacity:0;transform:translateY(-8px);visibility:hidden;pointer-events:none;transition:.18s}
.menu-card.is-open{opacity:1;transform:none;visibility:visible;pointer-events:auto}
.menu-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.menu-brand{display:flex;align-items:center;gap:10px}.menu-brand img{height:24px;width:auto}.menu-brand strong{display:block;color:var(--white)}.menu-brand span{display:block;color:var(--muted);font-size:12px}
.close-btn{min-height:44px;padding:0 13px;border:1px solid var(--line);border-radius:11px;background:var(--surface2);color:var(--white)}
.menu-groups{display:grid;gap:18px}.menu-groups h2{font-size:13px;color:var(--blue2);margin-bottom:7px;text-transform:none}.menu-groups a{display:block;padding:9px 10px;border-radius:10px}.menu-groups a:hover{background:var(--surface2)}.menu-groups b{display:block;color:var(--white);font-size:14px}.menu-groups span{display:block;color:var(--muted);font-size:12px}
.search-panel{position:fixed;left:50%;top:84px;transform:translateX(-50%) translateY(-8px);width:min(720px,calc(100vw - 32px));z-index:85;background:#0B1723;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 24px 70px rgba(0,0,0,.42);opacity:0;visibility:hidden;pointer-events:none;transition:.18s}
.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%)}
.search-panel label{display:block;color:var(--muted);margin-bottom:8px}
.search-panel input{width:100%;min-height:46px;border-radius:11px;border:1px solid var(--line);background:var(--surface);color:var(--white);padding:10px 13px}
.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.search-results a{padding:11px 12px;border-radius:10px;background:var(--surface);border:1px solid var(--cardline)}
.site-footer{background:#040A10;border-top:1px solid var(--line);padding:40px 0 80px;color:#C9D8E3}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-grid h2{font-size:13px;color:var(--blue2)}.footer-grid a{display:block;font-size:13px;color:#C9D8E3;padding:3px 0}.footer-brand img{height:24px;width:auto;margin-bottom:12px}.footer-brand strong{display:block;color:var(--white)}.footer-brand span{font-size:12px;color:var(--muted)}.footer-brand p{font-size:13px;color:var(--muted);margin-top:12px}.copyright{margin-top:28px;padding-top:18px;border-top:1px solid rgba(86,168,245,.12);font-size:13px;color:var(--muted)}
.mobile-nav{display:none}
.banner-slot{height:200px;width:100%;background:linear-gradient(135deg,var(--surface2),var(--deep));border:1px solid var(--cardline);border-radius:14px;align-items:center;justify-content:center;padding:14px}.banner-slot img{width:100%;height:100%;object-fit:contain}
.split-feature{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:24px;align-items:center}
.quote-panel{padding:24px;border-radius:14px;background:linear-gradient(135deg,rgba(47,128,237,.13),rgba(42,157,173,.06));border:1px solid var(--line)}
@media(max-width:820px){
 body{padding-top:74px;padding-bottom:52px}
 .quicknav{display:none}
 .grid-2,.grid-3,.media-card,.split-feature,.footer-grid{grid-template-columns:1fr}
 .media-card{gap:16px}
 .section{padding:42px 0}.hero{padding:44px 0}
 .menu-card{top:78px;right:16px;max-height:calc(100vh - 100px)}
 .search-panel{top:0;left:0;right:0;bottom:0;width:100%;height:100%;transform:none;border-radius:0;border:0;padding:78px 16px 24px;overflow:auto}
 .search-panel.is-open{transform:none}
 .search-results{grid-template-columns:1fr}
 .mobile-nav{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:60;grid-template-columns:repeat(4,1fr);min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:#07111A;border-top:1px solid var(--line)}
 .mobile-nav a{min-height:50px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}
 .mobile-nav a.is-current{color:#fff;background:linear-gradient(180deg,rgba(47,128,237,.38),rgba(23,74,126,.24));box-shadow:0 -5px 18px rgba(47,128,237,.16)}
 .site-footer{padding-bottom:84px}
 .link-list{grid-template-columns:1fr}
}
@media(max-width:480px){
 .brand-actions{gap:5px}.mini-link,.menu-btn{padding:0 10px}
 .hero-actions,.button-row{display:grid;grid-template-columns:1fr}
 .btn{width:100%}
 .card{padding:17px}
 h1{font-size:24px}
}