:root{
  --bg:#fafafa; --ink:#17181c; --muted:#6d7078; --line:#e4e4e7;
  --card:#ffffff; --accent:#a16207; --accent-bg:#fef9ec;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-bottom:1px solid var(--line);background:#fff;
  position:sticky;top:0;z-index:5;flex-wrap:wrap}
.brand{font-weight:800;letter-spacing:.14em;color:var(--ink);font-size:17px}
.brand:hover{text-decoration:none}
nav{display:flex;gap:14px;flex-wrap:wrap}
nav a{color:var(--muted);font-size:13.5px}
nav a:hover{color:var(--ink);text-decoration:none}
main{max-width:880px;margin:0 auto;padding:24px 16px 40px}
.hero{padding:28px 0 8px}
h1{font-size:34px;line-height:1.15;margin:0 0 14px;letter-spacing:-.01em}
h2{font-size:20px;margin:0 0 12px}
.sub{color:var(--muted);font-size:16px;margin:0 0 10px;max-width:640px}
.sub.small{font-size:14px}
section{margin:0 0 28px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.card-head h2{margin:0}
.badge{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--accent);
  background:var(--accent-bg);border:1px solid #f3e3bb;border-radius:999px;padding:3px 9px;white-space:nowrap}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.stat{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fcfcfc}
.stat .k{display:block;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.stat .v{display:block;font-size:17px;font-weight:700;margin-top:2px;word-break:break-word}
.note{color:var(--muted);font-size:14px;margin:12px 0 0}
.steps{margin:0;padding-left:20px}
.steps li{margin:0 0 10px}
.facts{list-style:none;margin:0;padding:0}
.facts li{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid var(--line)}
.facts li:last-child{border-bottom:none}
.facts span{color:var(--muted);flex-shrink:0}
.facts b{text-align:right;font-weight:600}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em;
  background:#f1f1f3;border:1px solid var(--line);border-radius:6px;padding:1px 5px}
footer{border-top:1px solid var(--line);padding:16px;display:flex;gap:8px 22px;flex-wrap:wrap;
  color:var(--muted);font-size:13px;max-width:880px;margin:0 auto}
@media (max-width:480px){
  h1{font-size:27px}
  .facts li{flex-direction:column;gap:2px}
  .facts b{text-align:left}
}