:root{--bg:#f7f8f6;--fg:#1d2320;--muted:#5d6862;--line:#d9ded9;--accent:#2f6b4f;--card:#ffffff}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 24px;border-bottom:1px solid var(--line);background:var(--card)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--fg);text-decoration:none}
nav a{margin-left:18px;color:var(--muted);text-decoration:none}
nav a:hover{color:var(--accent)}
main{max-width:960px;margin:0 auto;padding:28px 24px 40px}
h1{font-size:1.9rem;margin:0 0 12px}
h2{font-size:1.2rem;margin:28px 0 8px}
.hero p{max-width:720px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:24px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px;color:var(--fg);text-decoration:none}
.card:hover{border-color:var(--accent)}
.card h2{margin:10px 0 6px;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}
table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);margin:12px 0}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#eef1ee;font-weight:600}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
pre{background:#eef1ee;border:1px solid var(--line);padding:12px;overflow-x:auto}
.note{color:var(--muted);font-style:italic}
footer{border-top:1px solid var(--line);padding:18px 24px;color:var(--muted);font-size:.9rem;text-align:center}
@media (max-width:600px){nav a{margin:0 12px 0 0}.top{padding:12px 16px}main{padding:20px 16px}}