:root {
  --bg: #ffffff;
  --surface: #f6f6f7;
  --text: #1e1f22;
  --muted: #5c5e66;
  --border: #e3e5e8;
  --accent: #e85a0c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1f22;
    --surface: #2b2d31;
    --text: #f2f3f5;
    --muted: #b5bac1;
    --border: #3f4147;
    --accent: #ff6a1a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 Inter, "Segoe UI", Helvetica, Arial, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { border-bottom: 1px solid var(--border); }
header .wrap { display: flex; align-items: center; gap: 12px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }
.brand img { width: 32px; height: 32px; }
nav { margin-left: auto; display: flex; gap: 16px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }
main { padding: 32px 0 48px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
.meta { color: var(--muted); margin: 0 0 24px; font-size: 14px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.note { background: var(--surface); border-left: 3px solid var(--accent); padding: 12px 16px; border-radius: 6px; }
.cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 24px; }
.card { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; color: var(--text); text-decoration: none; }
.card strong { display: block; margin-bottom: 4px; }
.card span { color: var(--muted); font-size: 14px; }
.card:hover { border-color: var(--accent); }
.hero { text-align: center; padding-top: 16px; }
.hero img { width: 96px; height: 96px; }
.hero p { color: var(--muted); }
footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; padding: 16px 0 32px; }
.button { display: inline-block; background: var(--accent); color: #fff; font-weight: 600; text-decoration: none; padding: 10px 22px; border-radius: 8px; }
.button:hover { filter: brightness(1.08); }
div.card span { display: block; }
ol { padding-left: 22px; }
div.card:hover { border-color: var(--border); }