:root { --fg:#1c2128; --muted:#6b7684; --line:#e4e8ee; --accent:#2d6cdf; --bg:#fbfcfd; }
* { box-sizing:border-box; }
body { margin:0; font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
       color:var(--fg); background:var(--bg); }
.wrap { max-width:760px; margin:0 auto; padding:48px 24px 72px; }
header { border-bottom:1px solid var(--line); padding-bottom:20px; margin-bottom:12px; }
.brand { font-size:20px; font-weight:600; letter-spacing:-.2px; text-decoration:none; color:var(--fg); }
nav { margin-top:14px; display:flex; gap:20px; flex-wrap:wrap; }
nav a { color:var(--muted); text-decoration:none; font-size:15px; }
nav a:hover, nav a.on { color:var(--accent); }
h1 { font-size:26px; margin:30px 0 10px; letter-spacing:-.3px; }
h2 { font-size:17px; margin:30px 0 8px; }
p { margin:0 0 14px; }
.lead { color:var(--muted); font-size:17px; }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:16px; margin:24px 0; }
.card { border:1px solid var(--line); border-radius:10px; padding:18px; background:#fff; }
.card b { display:block; font-size:14px; margin-bottom:6px; }
.card span { color:var(--muted); font-size:14px; }
table { border-collapse:collapse; width:100%; margin:18px 0; font-size:15px; }
th, td { text-align:left; padding:9px 10px; border-bottom:1px solid var(--line); }
th { color:var(--muted); font-weight:500; }
footer { margin-top:52px; padding-top:20px; border-top:1px solid var(--line);
         color:var(--muted); font-size:14px; display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; }
a { color:var(--accent); }