:root{--bg:#f7f7f5;--fg:#1d1f21;--muted:#62666d;--line:#e2e2de;--acc:#2f6f4f;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#141517;--fg:#e6e6e3;--muted:#9a9ea5;--line:#2a2c30;--acc:#6fbf94;--card:#1b1c1f}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
header{border-bottom:1px solid var(--line);background:var(--card)}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.top{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{font-weight:700;letter-spacing:.2px;color:var(--fg)}.logo span{color:var(--acc)}
nav a{margin-left:18px;color:var(--muted)}
main{padding:28px 0 48px}h1{font-size:28px;margin:0 0 8px}h2{font-size:20px;margin:28px 0 8px}
.lead{color:var(--muted);margin:0 0 24px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:14px}
.meta{font-size:13px;color:var(--muted)}table{border-collapse:collapse;width:100%;font-size:14px}
td,th{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px;padding:18px 0}
code{background:var(--line);padding:1px 5px;border-radius:4px;font-size:14px}