:root { --fg:#1d1d1f; --muted:#6e6e73; --accent:#0a66c2; --bg:#fff; --card:#f5f5f7; }
* { box-sizing:border-box; }
body { margin:0; font:17px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; color:var(--fg); background:var(--bg); }
header, main, footer { max-width:720px; margin:0 auto; padding:0 20px; }
header { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:8px; padding-top:20px; padding-bottom:12px; border-bottom:1px solid #e5e5ea; }
.brand { margin:0; font-weight:600; }
nav a { margin-left:14px; color:var(--accent); text-decoration:none; font-size:15px; }
nav a:first-child { margin-left:0; }
h1 { font-size:30px; line-height:1.2; margin:28px 0 12px; }
h2 { font-size:21px; margin:30px 0 8px; }
a { color:var(--accent); }
.facts { background:var(--card); border-radius:12px; padding:16px 16px 16px 36px; }
.facts li { margin:6px 0; }
q { quotes:"\201C" "\201D"; font-style:italic; }
ol li { margin:8px 0; }
.updated { color:var(--muted); font-size:15px; margin-top:0; }
footer { color:var(--muted); font-size:14px; padding-top:28px; padding-bottom:40px; }