*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F5FAFE;color:#2A4156;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-top:122px}.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.skip-link{position:fixed;left:12px;top:-80px;z-index:1000;background:#fff;color:#16324A;padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.topline{position:fixed;top:0;left:0;right:0;height:22px;background:#1B4A6E;color:#fff;z-index:100}.topline-inner,.masthead-inner{max-width:1120px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 16px}.topline-brand{font-size:12px;letter-spacing:.04em}.topline-search{border:0;background:transparent;color:#fff;font-size:12px;min-height:22px;padding:0 6px;cursor:pointer}.masthead{position:fixed;top:22px;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid rgba(74,163,224,.16);z-index:99}.brand-home,.drawer-button,.app-link{min-height:44px;display:flex;align-items:center;justify-content:center}.brand-home{min-width:92px;justify-content:flex-start}.brand-logo{height:28px;width:auto;object-fit:contain;object-position:center}.brand-text{font-weight:800;font-size:18px;color:#16324A}.drawer-button{border:1px solid rgba(74,163,224,.42);background:#fff;color:#1B4A6E;border-radius:10px;padding:0 18px;font-size:14px;cursor:pointer}.app-link{font-size:14px;color:#1B4A6E;font-weight:700;min-width:92px;justify-content:flex-end}.tabbar{position:fixed;top:82px;left:0;right:0;height:40px;background:#EAF5FC;border-bottom:1px solid rgba(74,163,224,.16);z-index:98;display:flex;align-items:center;justify-content:center;gap:8px}.tabbar a{height:30px;min-width:80px;padding:0 16px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:13px;color:#1B4A6E}.tabbar a.is-active{background:#4AA3E0;color:#fff}.site-main{min-height:60vh}.page-wrap{max-width:1120px;margin:0 auto;padding:34px 16px 60px}.page-head{margin-bottom:26px}.eyebrow{font-size:12px;letter-spacing:.08em;color:#4E6A80;font-weight:700;text-transform:uppercase}.page-head h1,.hero-copy h1{font-size:24px;line-height:1.3;color:#16324A;margin:6px 0 12px}.page-head p,.hero-copy p{max-width:780px;margin:0;color:#4E6A80}.section{margin-top:28px}.section h2{font-size:20px;color:#16324A;margin:0 0 12px}.section h3{font-size:16px;color:#16324A;margin:0 0 8px}.section p{margin:0 0 12px}.muted{color:#6E8899}.grid-2,.grid-3,.grid-4{display:grid;gap:16px}.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 rgba(74,163,224,.16);border-radius:12px;padding:18px;box-shadow:0 12px 28px rgba(27,74,110,.08)}.soft-card{background:#EAF5FC;border:1px solid rgba(74,163,224,.16);border-radius:12px;padding:18px}.number-card{position:relative;padding-top:52px}.number-card .num{position:absolute;left:18px;top:14px;font-size:24px;line-height:1;color:#4AA3E0;font-weight:800;letter-spacing:.03em}.media-slot{width:100%;height:200px;background:#EAF5FC;border:1px solid rgba(74,163,224,.16);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-slot{height:260px}.small-slot{height:180px}.app-slot{height:360px}.icon-slot{width:64px;height:64px;border-radius:14px;background:#EAF5FC;border:1px solid rgba(74,163,224,.16);display:flex;align-items:center;justify-content:center}.icon-slot img{width:48px;height:48px;object-fit:contain}.hero{display:grid;grid-template-columns:1fr;gap:18px}.hero-copy{padding:2px 0 6px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:10px;font-size:14px;font-weight:700;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#6BB8EC 0%,#4AA3E0 55%,#1B4A6E 100%);color:#fff}.btn-secondary{background:#fff;color:#1B4A6E;border:1px solid rgba(74,163,224,.42)}a:hover,.drawer-button:hover,.topline-search:hover{opacity:.88}a:focus-visible,button:focus-visible{outline:3px solid rgba(74,163,224,.42);outline-offset:3px}.shelf{display:grid;gap:10px}.shelf a{display:grid;grid-template-columns:72px 1fr auto;gap:14px;align-items:center;background:#fff;border:1px solid rgba(74,163,224,.16);border-radius:10px;padding:14px}.shelf .index{font-weight:800;color:#4AA3E0}.tag{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:999px;background:#D7EAF6;color:#1B4A6E;font-size:13px}.timeline{position:relative;margin-left:10px;padding-left:24px;border-left:2px solid #D7EAF6;display:grid;gap:16px}.timeline-item{position:relative;background:#fff;border:1px solid rgba(74,163,224,.16);border-radius:12px;padding:16px}.timeline-item:before{content:"";position:absolute;left:-32px;top:22px;width:14px;height:14px;border-radius:50%;background:#4AA3E0;border:3px solid #F5FAFE}.timeline-status{font-size:13px;color:#1B4A6E;font-weight:700}.note-strip{border-left:4px solid #4AA3E0;background:#fff;border-radius:0 12px 12px 0;padding:16px 18px;margin:14px 0}.qa-list{display:grid;gap:14px}.qa-item{background:#fff;border:1px solid rgba(74,163,224,.16);border-radius:12px;padding:18px}.qa-item h2,.qa-item h3{margin:0 0 8px;color:#16324A}.mini-list{margin:0;padding-left:20px}.mini-list li{margin:6px 0}.site-footer{background:#1B4A6E;color:#E7F2FA;border-top:1px solid rgba(234,245,252,.35)}.footer-inner{max-width:1120px;margin:0 auto;padding:34px 16px 28px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-logo{height:28px;width:auto;object-fit:contain}.footer-brand strong{display:block;font-size:16px;color:#fff}.footer-brand span{display:block;font-size:12px;color:#D7EAF6}.footer-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.footer-columns h2{font-size:13px;color:#fff;margin:0 0 8px}.footer-columns a{display:block;font-size:13px;color:#E7F2FA;padding:4px 0}.footer-note,.copyright{font-size:13px;color:#D7EAF6}.footer-note{border-top:1px solid rgba(234,245,252,.22);padding-top:18px;margin-top:20px}.copyright{margin-bottom:0}.drawer-overlay{position:fixed;inset:0;background:rgba(13,40,59,.45);z-index:140;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.drawer-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;top:0;right:0;width:400px;max-width:86vw;height:100vh;background:#fff;z-index:150;transform:translateX(104%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow-y:auto;padding:18px}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid rgba(74,163,224,.16)}.drawer-brand{display:flex;align-items:center;gap:10px;color:#16324A}.drawer-brand img{height:28px;width:auto;object-fit:contain}.close-button{min-height:40px;border:1px solid rgba(74,163,224,.42);background:#fff;color:#1B4A6E;border-radius:10px;padding:0 12px;cursor:pointer}.drawer-group{padding:14px 0 4px}.drawer-group h2{font-size:13px;color:#6E8899;margin:0 0 8px}.drawer-group a{display:block;padding:11px 10px;border-radius:10px}.drawer-group a:hover{background:#EAF5FC}.drawer-group strong{display:block;color:#16324A;font-size:14px}.drawer-group span{display:block;color:#6E8899;font-size:12px;margin-top:2px}.search-layer{position:fixed;left:0;right:0;top:82px;z-index:130;opacity:0;visibility:hidden;pointer-events:none;padding:12px 16px;transition:.2s}.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-card{max-width:800px;margin:0 auto;background:#fff;border:1px solid rgba(74,163,224,.16);border-radius:14px;box-shadow:0 12px 28px rgba(27,74,110,.08);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.search-head h2{margin:0;color:#16324A;font-size:18px}.search-card p{color:#4E6A80;margin:10px 0}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{min-height:40px;display:inline-flex;align-items:center;padding:0 14px;background:#EAF5FC;color:#1B4A6E;border-radius:9px}.mobile-bottom{display:none}.split-feature{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px;align-items:start}.callout{background:#1B4A6E;color:#fff;border-radius:14px;padding:20px}.callout h2,.callout h3{color:#fff}.callout p{color:#E7F2FA}.app-feature{display:grid;grid-template-columns:minmax(0,.65fr) minmax(0,1.35fr);gap:20px;align-items:start}.faq-home{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.toc-grid a{display:block;background:#fff;border:1px solid rgba(74,163,224,.16);padding:16px;border-radius:10px}.plain-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}.plain-table th,.plain-table td{padding:12px;border-bottom:1px solid rgba(74,163,224,.16);text-align:left;vertical-align:top}.plain-table th{color:#16324A;background:#EAF5FC}.plain-table tr:last-child td{border-bottom:0}
@media(max-width:760px){body{padding-top:82px;padding-bottom:calc(48px + env(safe-area-inset-bottom))}.tabbar{display:none}.masthead-inner{padding:0 16px}.brand-home,.app-link{min-width:72px}.drawer-button{padding:0 14px}.page-wrap{padding:24px 16px 46px}.grid-2,.grid-3,.grid-4,.split-feature,.app-feature,.faq-home{grid-template-columns:1fr}.footer-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.search-layer{inset:0;top:0;background:#1B4A6E;padding:18px;z-index:160}.search-card{max-width:none;height:100%;background:#1B4A6E;border:0;box-shadow:none;color:#fff;padding:10px}.search-head h2,.search-card p{color:#fff}.search-layer .close-button{background:#fff}.search-presets a{background:#fff;color:#1B4A6E}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid rgba(74,163,224,.16);z-index:120}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#1B4A6E}.mobile-bottom a.is-active{background:#4AA3E0;color:#fff}.shelf a{grid-template-columns:52px 1fr}.shelf a span:last-child{display:none}.hero-slot{height:220px}.app-slot{height:320px}.site-footer{padding-bottom:48px}.plain-table{font-size:13px;display:block;overflow-x:auto;max-width:100%}}