:root{--bg:#f7f8f6;--card:#fff;--ink:#16201a;--muted:#5b6660;--line:#e3e7e3;--green:#1f7a4d;--link:#1a6b44}
@media (prefers-color-scheme:dark){:root{--bg:#0f1411;--card:#161d19;--ink:#e8eee9;--muted:#9aa7a0;--line:#26302a;--green:#3fbf7f;--link:#6fd3a0}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
main{max-width:760px;margin:0 auto;padding:40px 16px 64px}
header{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.mark{width:40px;height:40px;border-radius:10px;background:var(--green);display:grid;place-items:center;color:#fff;font-weight:700}
.brand{font-weight:700;font-size:18px}.brand small{display:block;font-weight:400;color:var(--muted);font-size:13px}
h1{font-size:30px;line-height:1.2;margin:0 0 6px}h2{font-size:20px;margin:36px 0 8px}h3{font-size:16px;margin:22px 0 4px}
p,li{color:var(--ink)}.muted{color:var(--muted)}
a{color:var(--link)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0}
table{width:100%;border-collapse:collapse;font-size:15px}th,td{text-align:left;vertical-align:top;padding:9px 8px;border-top:1px solid var(--line)}th{font-weight:600}
.wrap{overflow-x:auto}
nav{margin-top:40px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}