:root{--bg:#F6F3EE;--s1:#fff;--s2:#EFEBE4;--ink:#1B1C1F;--ink2:#45464A;--mu:#75716B;--am:#A35F1B;--amBg:#EBA556;--line:rgba(27,28,31,.09);color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0D0E10;--s1:#16181C;--s2:#1F2227;--ink:#F2EFEA;--ink2:#C9C5BE;--mu:#8E8B86;--am:#F2B66D;--amBg:#F2B66D;--line:rgba(242,239,234,.08);color-scheme:dark}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
a{color:var(--am)}.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:18px}
.brand img{width:36px;height:36px;border-radius:9px}
nav{display:flex;gap:16px;font-size:14px;flex-wrap:wrap}nav a{color:var(--ink2);text-decoration:none}nav a:hover{color:var(--am)}
.hero{padding:48px 0 24px}.hero img{width:96px;height:96px;border-radius:22px;box-shadow:0 8px 24px rgba(60,40,20,.15)}
h1{font-size:clamp(30px,6vw,46px);line-height:1.25;margin:20px 0 14px;letter-spacing:-.01em}
.lede{font-size:18px;color:var(--ink2);max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:36px 0}
.card{background:var(--s1);border:1px solid var(--line);border-radius:18px;padding:18px 20px}
.card h3{margin:0 0 6px;font-size:16px}.card p{margin:0;color:var(--ink2);font-size:14px}
.note{color:var(--mu);font-size:14px}
.doc h1{font-size:32px;margin-top:28px}.doc .sub{color:var(--mu);font-size:14px;margin-top:-6px}
.doc h2{font-size:19px;margin:32px 0 8px}.doc li{margin:6px 0}
.doc .card{margin:18px 0;background:var(--s2)}
table{border-collapse:collapse;width:100%;font-size:15px}td{border-top:1px solid var(--line);padding:9px 8px;vertical-align:top}td:first-child{white-space:nowrap;font-weight:600;padding-left:0}
.tbl{overflow-x:auto}
details{background:var(--s1);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin:10px 0}
summary{cursor:pointer;font-weight:600}details p{margin:8px 0 2px;color:var(--ink2)}
footer{border-top:1px solid var(--line);margin-top:56px;padding:20px 0 40px;color:var(--mu);font-size:13px}
footer a{color:var(--mu)}