:root {
  --bg: #f6f7f9; --surface: #ffffff; --fg: #1a1d23; --muted: #5d6573;
  --line: #e1e4e9; --accent: #1f4fa8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317; --surface: #1a1d23; --fg: #e9ebef; --muted: #9aa1ad;
    --line: #2a2e36; --accent: #7fa6ef;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 0 16px; }
header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 56px; }
header.site a.brand { font-weight: 600; color: var(--fg); text-decoration: none; letter-spacing: .01em; }
main { padding: 40px 0 56px; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 2.25rem 0 .5rem; }
p, li { color: var(--fg); }
.lede { color: var(--muted); font-size: 1.05rem; margin: 0 0 2rem; }
.muted { color: var(--muted); }
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }

.app {
  display: flex; gap: 16px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; color: var(--fg); text-decoration: none;
}
.app:hover { border-color: var(--accent); }
.app img { width: 64px; height: 64px; border-radius: 14px; flex: none; }
.app strong { display: block; font-size: 1.05rem; }
.app span { color: var(--muted); font-size: .95rem; }

.hero { display: flex; gap: 20px; align-items: center; margin-bottom: 1.5rem; }
.hero img { width: 96px; height: 96px; border-radius: 22px; flex: none; }
.hero h1 { margin: 0; }
.badge {
  display: inline-block; font-size: .85rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; margin-top: 6px;
}
ul.plain { padding-left: 1.2rem; }
ul.plain li { margin: .3rem 0; }

footer.site { border-top: 1px solid var(--line); padding: 20px 0 32px; font-size: .9rem; color: var(--muted); }
footer.site a { color: var(--muted); }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; }