:root { --bg:#f2f2f7; --card:#fff; --ink:#111; --muted:#8e8e93; --line:rgba(0,0,0,.08); }
* { box-sizing:border-box; }
body { margin:0; padding:40px 20px 80px; background:var(--bg); color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif; }
main { max-width:680px; margin:0 auto; background:var(--card);
  border-radius:22px; padding:40px 32px; }
h1 { font-size:30px; line-height:1.2; margin:0 0 6px; letter-spacing:-.02em; }
.sub { color:var(--muted); font-size:14px; margin:0 0 32px; }
h2 { font-size:19px; margin:34px 0 10px; letter-spacing:-.01em; }
p, li { color:#2b2b2e; }
ul { padding-left:20px; }
li { margin:6px 0; }
strong { color:var(--ink); }
table { width:100%; border-collapse:collapse; margin:14px 0; font-size:15px; }
th, td { text-align:left; padding:9px 0; border-bottom:1px solid var(--line); vertical-align:top; }
th { color:var(--muted); font-weight:600; font-size:13px; }
td:first-child { width:38%; padding-right:16px; }
footer { max-width:680px; margin:22px auto 0; color:var(--muted); font-size:13px; }
footer a { color:var(--muted); }
.note { background:#fff8e1; border:1px solid rgba(0,0,0,.06); border-radius:12px;
  padding:12px 14px; font-size:14px; color:#5b5b5f; margin:0 0 28px; }
.note a { color:#5b5b5f; }
.langs { margin-top:8px; }
h1 + .sub { font-size:17px; color:#5b5b5f; margin-bottom:30px; }