:root{--paper:#F3F6FB;--white:#fff;--soft:#E6EEF6;--ink:#0B1F3A;--text:#1C3348;--muted:#4A6276;--quiet:#7A8FA0;--brand:#0B3A6E;--blue:#1E6FBF;--cyan:#1396B3;--amber:#D97706;--coral:#E25B4C;--line:rgba(11,58,110,.16);--shadow:0 14px 34px rgba(7,20,40,.08);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden}body.lock{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(var(--max),calc(100% - 32px));margin:auto}.skip-link{position:fixed;left:16px;top:-60px;background:#fff;color:var(--brand);padding:10px 14px;z-index:999;border-radius:999px}.skip-link:focus{top:10px}.site-top{position:fixed;inset:0 0 auto;z-index:80;box-shadow:0 1px 0 var(--line)}.wirebar{height:30px;background:var(--brand);color:#fff}.wirebar-inner,.beaconbar-inner,.channelbar-inner{display:flex;align-items:center;height:100%}.wirebar-inner{justify-content:space-between;font-size:13px}.mini-brand{font-weight:700;letter-spacing:.06em}.text-button{border:0;background:transparent;color:#fff;min-height:30px;padding:0 10px;cursor:pointer}.beaconbar{height:62px;background:#fff}.beaconbar-inner{position:relative;justify-content:space-between}.round-menu{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:50%;display:grid;place-content:center;gap:5px;cursor:pointer}.round-menu span{display:block;width:18px;height:2px;background:var(--brand)}.brand-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;min-height:44px;min-width:90px;color:var(--brand)}.brand-center img{display:block;max-height:34px;max-width:180px;width:auto}.brand-center strong{font-size:22px;letter-spacing:.12em}.app-link{min-height:44px;display:flex;align-items:center;padding:0 12px;border-radius:999px;color:var(--brand);font-weight:700}.channelbar{height:44px;background:#fff;border-top:1px solid var(--line)}.channelbar-inner{justify-content:center;gap:34px}.channelbar a{height:44px;display:flex;align-items:center;position:relative;color:var(--muted);font-size:14px}.channelbar a.active,.channelbar a:hover{color:var(--brand)}.channelbar a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--brand);border-radius:3px 3px 0 0}.site-main{padding-top:136px}.section{padding:58px 0}.section.compact{padding:36px 0}.surface{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.hero{padding:46px}.eyebrow{margin:0 0 10px;color:var(--cyan);font-weight:800;letter-spacing:.12em;font-size:13px}.hero h1,.page-head h1{margin:0;color:var(--ink);font-size:clamp(28px,4vw,32px);line-height:1.25}.lead{max-width:780px;margin:18px 0 0;font-size:17px;color:var(--muted)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;font-weight:800;border:1px solid transparent}.btn.primary{background:linear-gradient(135deg,#1E6FBF 0%,#0B3A6E 55%,#071428 100%);color:#fff}.btn.secondary{background:#fff;color:var(--brand);border-color:var(--line)}.media-slot{margin-top:30px;border-radius:18px;overflow:hidden;background:#E8EDF3;min-height:170px;display:flex;align-items:center;justify-content:center}.media-slot:empty{min-height:170px}.media-img{display:block;width:100%;height:auto;max-height:340px;object-fit:contain;background:#EEF3F8}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-title h2{margin:0;color:var(--ink);font-size:25px}.section-title p{margin:0;max-width:620px;color:var(--muted)}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}.card h3{margin:0 0 10px;color:var(--ink);font-size:19px}.card p{margin:0;color:var(--muted)}.card .go{display:inline-flex;margin-top:15px;color:var(--brand);font-weight:800}.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}.dot.blue{background:var(--brand)}.dot.cyan{background:var(--cyan)}.dot.amber{background:var(--amber)}.dot.coral{background:var(--coral)}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:20px;border-top:1px solid var(--line)}.number-item:first-child{border-top:0}.number-item b{font-size:30px;line-height:1;color:var(--brand)}.number-item h3{margin:0 0 7px;color:var(--ink)}.number-item p{margin:0;color:var(--muted)}.file-list{display:grid;gap:10px}.file-row{display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.file-row .tag{color:var(--brand);font-weight:800}.file-row strong{color:var(--ink)}.timeline{position:relative;display:grid;gap:18px;padding-left:28px}.timeline:before{content:"";position:absolute;left:9px;top:9px;bottom:9px;width:2px;background:var(--line)}.time-node{position:relative;background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px}.time-node:before{content:"";position:absolute;left:-26px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--paper)}.time-node strong{color:var(--ink)}.status{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:12px;font-weight:800;margin-left:8px}.page-head{padding:46px 0 24px}.page-head .surface{padding:34px}.prose{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}.prose h2{color:var(--ink);margin:30px 0 10px;font-size:22px}.prose h2:first-child{margin-top:0}.prose p{margin:0 0 16px}.prose ul{padding-left:1.2em}.prose li{margin:8px 0}.notice{border-left:4px solid var(--amber);background:#fff;padding:18px 20px;border-radius:0 14px 14px 0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.faq-item h2,.faq-item h3{margin:0 0 8px;color:var(--ink);font-size:18px}.faq-item p{margin:0;color:var(--muted)}.site-footer{background:#071428;color:#D5E4F4;padding:48px 0 calc(24px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:28px}.footer-brand img{max-height:34px;max-width:160px;display:block;margin-bottom:14px}.footer-brand strong{font-size:22px;margin-right:8px}.footer-brand span{opacity:.72}.footer-brand p{color:#9FB4C8;max-width:390px;font-size:14px}.footer-grid h2{font-size:14px;color:#fff;margin:0 0 12px}.footer-grid a{display:block;color:#BFD0E0;margin:7px 0;font-size:14px}.footer-bottom{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);font-size:13px;color:#9FB4C8}.overlay-shell{position:fixed;inset:0;z-index:120;visibility:hidden;pointer-events:none}.overlay-shell.open{visibility:visible;pointer-events:auto}.backdrop{position:absolute;inset:0;background:rgba(7,20,40,.58);opacity:0;transition:.2s}.open .backdrop{opacity:1}.band-menu{position:relative;width:min(700px,94%);max-height:calc(100vh - 40px);overflow:auto;margin:20px auto 0;background:#fff;border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.28);transform:translateY(-24px);opacity:0;transition:.2s}.open .band-menu{transform:none;opacity:1}.band-head,.search-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}.band-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}.band-brand img{max-height:28px;max-width:130px}.close-btn{min-height:44px;padding:0 16px;border:1px solid var(--line);background:#fff;color:var(--brand);border-radius:999px;cursor:pointer}.band-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;padding:22px}.band-groups h2{font-size:13px;color:var(--quiet);letter-spacing:.14em}.band-groups a{display:block;padding:12px 0;border-top:1px solid var(--line)}.band-groups a:first-of-type{border-top:0}.band-groups b{display:block;color:var(--ink)}.band-groups span{display:block;margin-top:4px;color:var(--muted);font-size:13px}.search-overlay .backdrop{background:rgba(7,20,40,.36)}.search-card{position:relative;width:min(720px,calc(100% - 32px));margin:100px auto 0;background:#fff;border-radius:20px;box-shadow:var(--shadow);opacity:0;transform:translateY(-12px);transition:.2s}.open .search-card{opacity:1;transform:none}.fake-search{margin:20px;padding:18px 20px;border:1px solid var(--line);border-radius:999px;color:var(--quiet);background:var(--paper)}.preset-links{display:flex;flex-wrap:wrap;gap:10px;padding:0 20px 22px}.preset-links a{padding:9px 13px;border-radius:999px;background:var(--soft);color:var(--brand);font-weight:700;font-size:14px}.mobile-nav{display:none}a:focus-visible,button:focus-visible{outline:3px solid rgba(30,111,191,.35);outline-offset:3px}.section-band{background:var(--soft)}.kicker{color:var(--amber);font-weight:800}.split{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}.image-card{overflow:hidden;padding:0}.image-card img{width:100%;height:auto;display:block;object-fit:contain}.image-card .card-body{padding:22px}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{grid-column:1/-1}.split{grid-template-columns:1fr}}
@media(max-width:720px){.channelbar{display:none}.site-main{padding-top:92px;padding-bottom:66px}.site-top{height:92px}.wirebar{height:30px}.beaconbar{height:62px}.shell{width:min(100% - 32px,var(--max))}.app-link{font-size:14px;padding:0 6px}.brand-center img{max-width:130px}.section{padding:38px 0}.hero{padding:26px 20px}.page-head{padding:28px 0 18px}.page-head .surface{padding:24px 20px}.grid-2,.grid-4{grid-template-columns:1fr}.number-item{grid-template-columns:50px 1fr;padding:18px 0}.file-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.band-groups{grid-template-columns:1fr}.band-menu{max-height:calc(100vh - 16px);margin-top:8px}.search-card{width:100%;height:100%;margin:0;border-radius:0;overflow:auto}.search-overlay .backdrop{display:none}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:90;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-width:0;color:var(--muted);font-size:13px}.mobile-nav a.active{color:var(--brand);font-weight:800}.media-slot{min-height:120px}.prose{padding:22px 20px}.site-footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}}