:root{
  --brand:#FFC107; --bg:#ffffff; --fg:#1a1a1a; --muted:#666; --line:#ececec;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#121212; --fg:#ededed; --muted:#9a9a9a; --line:#2a2a2a; }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--fg); line-height:1.75;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,
    "Noto Sans CJK TC","Microsoft JhengHei","Hiragino Sans",sans-serif;
}
.wrap{max-width:760px;margin:0 auto;padding:24px 20px 96px}
header.top{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:8px;border-bottom:3px solid var(--brand);
  padding-bottom:12px;margin-bottom:4px;
}
.brand{font-weight:800;letter-spacing:1px;color:var(--brand);
  font-size:18px;text-decoration:none}
.langs a{margin-left:12px;color:var(--muted);text-decoration:none;font-size:14px}
.langs a.active{color:var(--brand);font-weight:700}
h1{font-size:26px;margin:22px 0 4px;line-height:1.3}
.meta{color:var(--muted);font-size:13px;margin-bottom:26px}
h2{font-size:19px;margin:30px 0 8px;border-left:4px solid var(--brand);padding-left:10px}
h3{font-size:16px;margin:18px 0 6px}
ul{padding-left:22px;margin:8px 0}
li{margin:5px 0}
p{margin:10px 0}
a{color:#0a8a6b}
.loading{color:var(--muted)}
footer{margin-top:52px;border-top:1px solid var(--line);padding-top:16px;
  color:var(--muted);font-size:13px}
nav.docnav{margin-bottom:8px}
nav.docnav a{display:inline-block;margin-right:18px;color:var(--brand);
  font-weight:600;text-decoration:none}
.cards{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px}
.card{flex:1 1 260px;border:1px solid var(--line);border-radius:12px;
  padding:20px;text-decoration:none;color:inherit;transition:border-color .15s}
.card:hover{border-color:var(--brand)}
.card h2{border:0;padding:0;margin:0 0 6px}
.card p{margin:0;color:var(--muted);font-size:14px}