:root {
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --accent: #7c5cff;
  --card: #f5f5f7;
  --border: #e3e3e8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111114;
    --fg: #f2f2f4;
    --muted: #9a9aa2;
    --accent: #a894ff;
    --card: #1c1c22;
    --border: #2a2a32;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 24px 96px; }
header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
header.site .logo { font-size: 32px; }
header.site .name { font-weight: 700; font-size: 20px; }
header.site .name span { color: var(--muted); font-weight: 400; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 20px; margin: 40px 0 12px; letter-spacing: -0.01em; }
.updated { color: var(--muted); font-size: 15px; margin: 0 0 32px; }
p { margin: 0 0 16px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.lang { display: inline-flex; gap: 4px; background: var(--card); border: 1px solid var(--border); border-radius: 999px; padding: 4px; margin-bottom: 36px; }
.lang a { padding: 4px 14px; border-radius: 999px; color: var(--muted); font-size: 15px; }
.lang a.active { background: var(--bg); color: var(--fg); font-weight: 600; }
.cards { display: grid; gap: 14px; margin-top: 28px; }
.card { display: block; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; color: inherit; }
.card:hover { border-color: var(--accent); text-decoration: none; }
.card .t { font-weight: 600; font-size: 18px; margin-bottom: 4px; }
.card .d { color: var(--muted); font-size: 15px; }
footer { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }
.hidden { display: none; }