:root{color-scheme:light dark;--bg:#f7f8fa;--surface:#fff;--ink:#202c38;--muted:#526271;--line:#dce3e8;--accent:#08695e;--tint:#eaf4f0;--code:#edf1f4;--shadow:0 14px 38px #183a3210;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px}
*{box-sizing:border-box}html{scroll-padding-top:95px}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.85}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.skip-link{position:fixed;top:-100px;left:16px;z-index:10;background:var(--surface);padding:8px 16px}.skip-link:focus{top:8px}.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;height:76px;padding:0 4vw;background:var(--surface);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:750;font-size:20px;text-decoration:none}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:white;font-size:22px}.badge{font-size:12px;padding:2px 9px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-weight:500}.topbar nav{display:flex;gap:24px;font-size:14px}.topbar nav a{text-decoration:none}.layout{display:grid;grid-template-columns:250px minmax(0,900px);gap:62px;max-width:1370px;margin:auto;padding:0 38px}aside{position:sticky;top:76px;height:calc(100dvh - 76px);overflow:auto;padding:32px 10px 24px 0;font-size:14px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:750;color:var(--accent);margin:0 0 16px}.search-label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}input{font:inherit;width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 12px}#search-status{font-size:12px;margin:7px 0;color:var(--muted)}#search-results{padding-left:18px;max-height:250px;overflow:auto}#search-results a{display:block;padding:5px 0}#toc{display:grid;gap:3px;margin-top:22px}#toc a{padding:5px 12px;text-decoration:none;border-left:2px solid transparent;color:var(--muted);line-height:1.6}#toc a:hover,#toc a[aria-current="location"]{color:var(--accent);background:var(--tint);border-left-color:var(--accent);border-radius:0 5px 5px 0}.aside-note{font-size:12px;color:var(--muted);padding:22px 12px}main{min-width:0}section{padding:54px 0;border-bottom:1px solid var(--line)}.hero{padding-top:64px}h1{font-size:clamp(30px,3.5vw,48px);line-height:1.4;letter-spacing:-1px;margin:18px 0 22px;font-weight:750}h2{font-size:27px;line-height:1.5;margin:0 0 23px;letter-spacing:-.5px}h3{font-size:20px;margin:32px 0 14px;line-height:1.6}p{margin:14px 0}.lead{font-size:18px;color:var(--muted);max-width:720px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 35px}.button{display:inline-block;padding:10px 20px;border-radius:7px;background:var(--accent);color:white;text-decoration:none;font-weight:650}.button.secondary{background:var(--surface);color:var(--accent);border:1px solid var(--line)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:30px 0}.cards a{display:block;padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:var(--shadow);text-decoration:none}.cards span{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.cards strong{font-size:14px}.callout{background:var(--tint);border-left:3px solid var(--accent);padding:16px 20px;border-radius:0 8px 8px 0;margin:25px 0;font-size:14px}.checkpoint{font-size:14px;font-weight:650;color:var(--accent);padding:14px 0}.table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:8px;background:var(--surface)}table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}th,td{padding:13px 17px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--tint);font-weight:650}td:first-child{min-width:140px;font-weight:600}tr:last-child td{border-bottom:0}li{padding:4px 0}ol,ul{padding-left:25px}.steps li{padding-bottom:14px}code{font-family:Consolas,monospace;background:var(--code);border-radius:4px;padding:2px 5px;font-size:.88em;overflow-wrap:anywhere}.flow{display:flex;flex-wrap:wrap;gap:10px;padding:20px;background:var(--surface);border:1px dashed var(--line);border-radius:8px;font-size:14px}.flow span{color:var(--accent)}details{background:var(--surface);border:1px solid var(--line);border-radius:8px;margin:12px 0;scroll-margin-top:95px}summary{padding:17px 20px;cursor:pointer;font-weight:650}summary small{font-weight:400;color:var(--muted);margin-left:10px}.detail-body{padding:0 20px 14px;font-size:15px}footer{padding:35px 0 60px;font-size:13px;color:var(--muted)}footer>a{font-weight:650}section:target>h2,details:target>summary,h3:target{color:var(--accent)}
@media(prefers-color-scheme:dark){:root{--bg:#121c23;--surface:#182630;--ink:#e0e8ee;--muted:#a6bac7;--line:#30434f;--accent:#78d7bd;--tint:#1b352f;--code:#293944;--shadow:none}.brand-mark,.button{color:#10241e}}
@media(min-width:1500px){.layout{gap:90px}}
@media(max-width:960px){.layout{grid-template-columns:205px minmax(0,1fr);gap:28px;padding:0 24px}.cards{grid-template-columns:1fr}.cards a{padding:13px 17px}.cards span{margin-bottom:3px}}
@media(max-width:650px){.topbar{height:64px;padding:0 18px}.brand{font-size:17px}.badge{display:none}.topbar nav{gap:16px}.layout{display:block;padding:0 20px}aside{position:static;height:auto;overflow:visible;padding:26px 0 0}aside .eyebrow,.aside-note{display:none}#toc{display:flex;overflow-x:auto;gap:8px;padding:4px 0 12px;margin-top:12px}#toc a{white-space:nowrap;border:1px solid var(--line);border-radius:6px;padding:7px 11px}#toc a:hover,#toc a[aria-current="location"]{border-radius:6px}section{padding:38px 0}.hero{padding-top:30px}h1{font-size:32px}h2{font-size:24px}.lead{font-size:16px}.cards{grid-template-columns:1fr}summary{padding:14px}summary small{display:block;margin-left:16px}.detail-body{padding:0 14px 12px}th,td{padding:11px 12px}.callout{padding:13px 15px}.flow{display:block}.flow span{padding:0 6px}html{scroll-padding-top:82px}}
@media print{.topbar,aside,.actions,.cards,.skip-link,footer>a{display:none}.layout{display:block;max-width:none;padding:0}body{background:white;color:black;font-size:11pt}section{padding:18px 0}h1{font-size:28pt}h2{font-size:20pt}details{break-inside:avoid}.detail-body{display:block!important}details::details-content{content-visibility:visible}a{color:inherit}.table-wrap{overflow:visible}}