:root{--green:#216f61;--ink:#203b3c;--muted:#637873;--line:#e0e8e2;--bg:#f6f8f5}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.6}
header{background:#fff;border-bottom:1px solid var(--line)}
header div,main,footer{max-width:780px;margin:0 auto;padding:0 20px}
header div{display:flex;align-items:center;justify-content:space-between;height:60px}
header a{color:var(--ink);text-decoration:none;font-weight:600}
header a strong{color:var(--green)}
main{background:#fff;border:1px solid var(--line);border-radius:12px;margin:28px auto;padding:28px 32px}
h1{margin:0 0 4px;font-size:1.7rem}
.updated{color:var(--muted);margin:0 0 24px;font-size:.92rem}
h2{font-size:1.15rem;margin:28px 0 8px;color:var(--green)}
p,li{font-size:.98rem}
a{color:var(--green)}
table{border-collapse:collapse;width:100%;margin:8px 0;font-size:.93rem}
td,th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--bg)}
footer{color:var(--muted);font-size:.9rem;padding-bottom:32px;display:flex;gap:18px;flex-wrap:wrap}
@media (max-width:600px){main{margin:16px;padding:20px 16px}header div{padding:0 16px}td,th{padding:6px}}