:root { color-scheme: light dark; font: 16px/1.55 system-ui, sans-serif;
  --bg: #f5f7fa; --fg: #182334; --muted: #536176; --panel: white;
  --accent: #1462b8; --line: #d6dfeb; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); }
main { max-width: 1120px; margin: auto; padding: 40px 24px 64px; }
header { display: flex; align-items: center; gap: 20px; }
header img { max-width: 180px; max-height: 72px; }
h1 { margin: 0; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.04em; }
h2 { margin-top: 40px; } h3 { margin: 0; font-size: 1.4rem; }
p { margin: 10px 0; } a { color: var(--accent); }
.lead, .meta { color: var(--muted); }
.notice { padding: 16px 20px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--panel); margin: 24px 0; }
nav { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0; }
nav a { padding: 6px 14px; border: 1px solid var(--line); border-radius: 24px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 20px; }
article { padding: 24px; border: 1px solid var(--line); border-radius: 16px;
  background: var(--panel); min-width: 0; }
.badge { font-size: .8rem; color: var(--muted); border: 1px solid var(--line);
  border-radius: 20px; padding: 2px 10px; display: inline-block; margin: 6px 0; }
.download { display: inline-block; margin: 12px 10px 12px 0; padding: 9px 18px;
  border-radius: 8px; background: var(--accent); color: white; text-decoration: none; }
code { font: .8rem/1.6 ui-monospace, monospace; overflow-wrap: anywhere; }
dl { margin-bottom: 0; } dt { font-size: .8rem; color: var(--muted); margin-top: 10px; }
dd { margin: 0; overflow-wrap: anywhere; } ul { padding-left: 22px; }
details { margin-top: 20px; } summary { cursor: pointer; }
footer { margin-top: 48px; border-top: 1px solid var(--line); padding-top: 20px; }
@media (prefers-color-scheme: dark) { :root { --bg: #101722; --fg: #e0e8f2;
  --muted: #a3b1c5; --panel: #192333; --accent: #3788df; --line: #344356; } }