:root{--bg:#07111A;--deep:#050B12;--panel:#0D1B2A;--panel2:#102538;--card:#132B3E;--text:#D7E2EA;--title:#F4F8FC;--muted:#9CB0C0;--soft:#748A9D;--blue:#2F80ED;--light:#56A8F5;--dark:#174A7E;--cyan:#2A9DAD;--line:rgba(86,168,245,.20);--line2:rgba(86,168,245,.16);--shadow:0 14px 36px rgba(0,0,0,.26)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}.locked{overflow:hidden}.wrap{width:min(1080px,calc(100% - 32px));margin:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.topbar{position:fixed;z-index:70;top:0;left:0;right:0;height:18px;background:var(--deep);color:#C9D8E3;font-size:12px}.topbar-in{height:18px;display:flex;justify-content:space-between;align-items:center}.text-btn,.menu-btn,.close-btn{border:0;background:transparent;color:#D7E2EA;cursor:pointer}.brandbar{position:fixed;z-index:70;top:18px;left:0;right:0;height:54px;background:var(--panel);border-bottom:1px solid var(--line)}.brandbar-in{height:54px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;min-height:44px}.brand img,.menu-brand img,.footer-brand img{height:24px;max-width:180px;object-fit:contain;object-position:center}.brand span{font-size:16px;font-weight:700;color:var(--title)}.brand-actions{display:flex;gap:8px;align-items:center}.app-link,.menu-btn{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:10px}.app-link{background:linear-gradient(135deg,#56A8F5 0%,#2F80ED 52%,#174A7E 100%);color:white;box-shadow:0 6px 16px rgba(47,128,237,.24)}.quicknav{position:fixed;z-index:60;top:72px;left:0;right:0;background:#081521;border-bottom:1px solid var(--line2)}.quicknav-in{height:44px;display:flex;gap:8px;align-items:center}.quicknav a{padding:7px 12px;border-radius:9px;font-size:14px}.quicknav a:hover,.quicknav a.active{background:var(--blue);color:white;box-shadow:0 6px 16px rgba(47,128,237,.24)}main{padding-top:136px;min-height:60vh}.section{padding:34px 0}.section.alt{background:var(--deep)}h1,h2,h3{color:var(--title);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}.eyebrow{color:var(--light);font-size:13px;letter-spacing:.08em;text-transform:uppercase}.hero{padding:38px 0 30px}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.hero-copy p{max-width:740px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:11px;border:1px solid var(--line);font-size:14px;transition:180ms}.btn-primary{background:linear-gradient(135deg,#56A8F5 0%,#2F80ED 52%,#174A7E 100%);color:white;box-shadow:0 6px 16px rgba(47,128,237,.24)}.btn-secondary{background:var(--panel);color:var(--text)}.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)}:focus-visible{outline:2px solid #56A8F5;outline-offset:2px}.visual{background:var(--panel2);border:1px solid var(--line2);border-radius:14px;padding:18px;min-height:180px;display:flex;align-items:center;justify-content:center}.visual img{max-width:100%;max-height:320px;object-fit:contain;object-position:center}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.card p:last-child{margin-bottom:0}.card .mini{color:var(--muted);font-size:13px}.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:24px}.article{max-width:820px}.article.wide{max-width:none}.article section{margin:0 0 26px}.aside{display:flex;flex-direction:column;gap:14px}.list-links{display:grid;gap:10px}.list-links a{display:block;padding:14px 16px;background:var(--panel);border:1px solid var(--line2);border-radius:12px}.faq-list details{background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:14px 16px;margin:0 0 12px}.faq-list summary{cursor:pointer;color:var(--title);font-weight:700}.banner{height:200px;background:var(--panel2);border:1px solid var(--line2);border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:26px}.banner img{width:100%;height:100%;object-fit:contain;object-position:center}.overlay,.search-layer{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.58);visibility:hidden;pointer-events:none}.overlay.show,.search-layer.show{visibility:visible;pointer-events:auto}.menu-panel{position:fixed;z-index:90;right:16px;top:82px;width:min(440px,calc(100% - 32px));max-height:68vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:18px;visibility:hidden;pointer-events:none;transform:translateY(-8px);opacity:0;transition:180ms}.menu-panel.show{visibility:visible;pointer-events:auto;transform:none;opacity:1}.menu-head,.search-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.menu-brand{display:flex;align-items:center;gap:10px}.menu-brand div{display:flex;flex-direction:column}.menu-brand span{font-size:12px;color:var(--muted)}.menu-groups section{margin-top:16px}.menu-groups h2{font-size:14px;color:var(--light);margin-bottom:8px}.menu-groups a{display:block;padding:10px 12px;border-radius:10px}.menu-groups a:hover{background:var(--panel2)}.menu-groups b{display:block;color:var(--title)}.menu-groups span{display:block;font-size:13px;color:var(--muted)}.search-layer{display:flex;justify-content:center;align-items:flex-start;padding-top:90px}.search-card{width:min(620px,calc(100% - 32px));background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.search-card label{display:block;margin:16px 0 8px;color:var(--muted)}.search-card input{width:100%;min-height:44px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:var(--deep);color:var(--title)}.search-results{display:grid;gap:8px;margin-top:12px}.search-results a{padding:10px 12px;background:var(--panel2);border-radius:9px}.footer{background:#040A10;border-top:1px solid var(--line);margin-top:36px;padding:30px 0 78px;color:#C9D8E3;font-size:13px}.footer-grid{display:grid;grid-template-columns:1.1fr repeat(3,1fr);gap:24px}.footer h2{font-size:14px}.footer a{display:block;margin:5px 0;color:#C9D8E3}.footer-brand{display:flex;flex-direction:column;gap:5px}.footer-note,.copyright{margin-top:22px;color:#9CB0C0}.mobilebar{display:none}.muted{color:var(--muted)}.callout{border-left:3px solid var(--blue);background:var(--panel);padding:16px 18px;border-radius:0 12px 12px 0}.steps{counter-reset:s}.steps .card:before{counter-increment:s;content:counter(s);display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:50%;background:var(--blue);color:white;font-weight:700;margin-bottom:10px}
@media(max-width:760px){
.quicknav{display:none}main{padding-top:92px}.hero-grid,.grid2,.grid3,.split,.footer-grid{grid-template-columns:1fr}.hero{padding-top:24px}.menu-panel{top:78px;right:16px;max-height:76vh}.search-layer{padding-top:18px;align-items:stretch}.search-card{margin:auto}.mobilebar{position:fixed;z-index:65;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;min-height:50px;padding-bottom:env(safe-area-inset-bottom);background:#07111A;border-top:1px solid var(--line)}.mobilebar a{min-height:50px;display:flex;align-items:center;justify-content:center}.mobilebar a.active{background:linear-gradient(135deg,#174A7E,#2F80ED);color:white;box-shadow:0 6px 16px rgba(47,128,237,.24)}.footer{padding-bottom:90px}.visual{min-height:150px}.actions{align-items:stretch}.actions .btn{flex:1 1 160px}}