:root{color-scheme:light;--ink:#202124;--muted:#5f6368;--line:#e5e7eb;--brand:#6b4eff;--bg:#f7f7fb}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.72 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
main{max-width:920px;margin:32px auto;padding:40px 48px;background:#fff;border-radius:16px;box-shadow:0 8px 30px rgba(0,0,0,.06)}
h1{font-size:32px;line-height:1.25;margin:0 0 8px}h2{font-size:22px;margin:34px 0 10px}h3{font-size:18px;margin:22px 0 6px}
p,li{color:var(--ink)}.meta,.note{color:var(--muted)}.note{padding:14px 16px;background:#f3f1ff;border-left:4px solid var(--brand);border-radius:8px}
a{color:var(--brand)}table{width:100%;border-collapse:collapse;margin:14px 0}th,td{text-align:left;vertical-align:top;border:1px solid var(--line);padding:10px}th{background:#fafafa}
nav{margin:18px 0 26px;padding-bottom:18px;border-bottom:1px solid var(--line)}nav a{display:inline-block;margin:0 14px 8px 0}
footer{margin-top:38px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted)}
@media(max-width:700px){main{margin:0;padding:26px 20px;border-radius:0;box-shadow:none}h1{font-size:27px}table{display:block;overflow-x:auto}}