:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --text: #1c2128;
  --muted: #5b6573;
  --line: #e3e7ec;
  --accent: #2f5d8a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101215;
    --card: #171a1e;
    --text: #e6eaee;
    --muted: #98a2ad;
    --line: #2a2f36;
    --accent: #a9bed4;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header img { width: 52px; height: 52px; border-radius: 12px; }
header .name { font-size: 22px; font-weight: 650; }
header .by { color: var(--muted); font-size: 15px; }
nav { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: -12px 0 28px; font-size: 15px; }
a { color: var(--accent); }
main { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 8px 24px 24px; }
h1 { font-size: 28px; line-height: 1.25; margin: 20px 0 4px; }
h2 { font-size: 20px; margin: 30px 0 6px; }
.updated { color: var(--muted); font-size: 15px; margin: 0 0 16px; }
.summary { border-left: 3px solid var(--accent); padding: 2px 0 2px 14px; margin: 18px 0; }
li { margin: 4px 0; }
footer { color: var(--muted); font-size: 14px; margin-top: 24px; text-align: center; }
@media (max-width: 520px) { main { padding: 4px 16px 18px; } h1 { font-size: 24px; } }