:root{--ink:#1f2a24;--muted:#5b675f;--paper:#fbfaf6;--line:#e3e0d6;--accent:#2f5d46;--accent2:#e9efe9}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 Georgia,"Times New Roman",serif}
a{color:var(--accent)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
.top{border-bottom:1px solid var(--line);background:#fff}
.top .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:bold;font-size:18px}
nav a{margin-left:18px;text-decoration:none;font-family:Arial,Helvetica,sans-serif;font-size:15px}
nav a:first-child{margin-left:0}
main{padding:32px 20px 48px}
h1{font-size:32px;line-height:1.25;margin:0 0 16px}
h2{font-size:22px;margin:32px 0 10px}
.lead{font-size:18px;color:var(--muted)}
.hero{padding:16px 0 8px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:9px 16px;border-radius:4px;text-decoration:none;font-family:Arial,Helvetica,sans-serif;font-size:15px;margin:6px 8px 0 0}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:28px}
.grid3 article{background:#fff;border:1px solid var(--line);border-radius:6px;padding:18px}
.grid3 h2{margin-top:0;font-size:19px}
.list{padding-left:20px}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}
th{background:var(--accent2);font-family:Arial,Helvetica,sans-serif;font-size:14px}
.defs dt{font-weight:bold;margin-top:14px}
.defs dd{margin:4px 0 0 0;color:var(--muted)}
code,pre{font-family:Consolas,Menlo,monospace;font-size:14px}
pre{background:#fff;border:1px solid var(--line);padding:12px;overflow-x:auto}
.note{margin-top:28px;color:var(--muted)}
.notfound{padding:24px 0}
.foot{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:18px 0}
@media (max-width:600px){nav a{margin-left:12px}h1{font-size:26px}}