/* Yukisaku — 静态伪装站样式（自包含，无外部字体/CDN/分析脚本）
   见 docs/02-decisions.md D20：禁止引入外部请求，整站 < 100KB。 */
:root {
  color-scheme: light dark;
  --fg: #1b1b1f;
  --muted: #6b6b76;
  --line: #e6e6ea;
  --bg: #fdfdfc;
  --link: #2f6f4f;
  --code-bg: #f3f3f0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8e8ea;
    --muted: #9a9aa4;
    --line: #2a2a30;
    --bg: #141417;
    --link: #7ec8a2;
    --code-bg: #1e1e23;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 3.5rem 1.25rem 4rem; }
header h1 { font-size: 1.6rem; margin: 0 0 .35rem; letter-spacing: -.01em; }
header p { margin: 0; color: var(--muted); }
nav { margin: 1.75rem 0 2.5rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line); }
nav a { color: var(--link); text-decoration: none; margin-right: 1.1rem; }
nav a:hover { text-decoration: underline; }
h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .09em;
     color: var(--muted); margin: 2.25rem 0 1rem; font-weight: 600; }
h2:first-of-type { margin-top: 0; }
ul { list-style: none; margin: 0; padding: 0; }
li { padding: .65rem 0; border-bottom: 1px solid var(--line); }
li time { display: inline-block; width: 6.5rem; color: var(--muted);
          font-variant-numeric: tabular-nums; font-size: .85rem; }
li a { color: inherit; text-decoration: none; }
li a:hover { color: var(--link); }
article p { margin: 0 0 1.1rem; }
article code { background: var(--code-bg); border-radius: .25rem;
               padding: .1rem .3rem; font-size: .9em; }
footer { margin-top: 3rem; color: var(--muted); font-size: .85rem; }
footer a { color: inherit; }