:root {
  --bg: #0b0b0b;
  --card: #161616;
  --text: #f2f2f2;
  --muted: #a8a8a8;
  --accent: #fdd305;
  --line: #262626;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --card: #ffffff;
    --text: #151515;
    --muted: #5c5c5c;
    --accent: #a77e00;
    --line: #e4e4e4;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
header.top {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
header.top .wrap { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
header.top img { width: 36px; height: 36px; border-radius: 8px; }
header.top strong { font-size: 18px; }
header.top nav { margin-left: auto; display: flex; gap: 16px; flex-wrap: wrap; }
header.top nav a { text-decoration: none; color: var(--muted); }
header.top nav a:hover { color: var(--accent); }
.hero { padding: 56px 0 32px; text-align: center; }
.hero img { width: 128px; height: 128px; border-radius: 28px; }
.hero h1 { font-size: clamp(30px, 6vw, 46px); margin: 18px 0 8px; line-height: 1.15; }
.hero p { color: var(--muted); max-width: 560px; margin: 0 auto 20px; font-size: 18px; }
.badge {
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 14px;
}
h2 { font-size: 24px; margin: 40px 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.note {
  background: var(--card);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--muted);
}
.lang { color: var(--muted); font-size: 14px; margin-top: 4px; }
section.doc h2 { margin-top: 32px; }
section.doc h3 { margin: 24px 0 6px; font-size: 18px; }
section.doc li { margin: 4px 0; }
footer {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 14px;
}
footer a { color: var(--muted); }