:root {
  color-scheme: light dark;
  --bg: #faf8f5;
  --text: #1f1b16;
  --muted: #6b645c;
  --primary: #c45c26;
  --border: #e8e2da;
  --surface: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12100e;
    --text: #f5f0ea;
    --muted: #b8b0a6;
    --primary: #ff8c55;
    --border: #2e2a25;
    --surface: #1b1815;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 28px 0 24px;
}
.eyebrow { color: var(--muted); font-size: 13px; font-weight: 700; margin: 0 0 8px; }
h1 { margin: 0 0 8px; font-size: clamp(28px, 5vw, 36px); line-height: 1.15; }
.lead, .meta { color: var(--muted); margin: 8px 0 0; }
.lang-nav { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; }
.lang-nav a { color: var(--primary); font-weight: 700; text-decoration: none; }
.lang-nav a:hover { text-decoration: underline; }
.content { padding: 28px 20px 48px; }
section { margin-bottom: 28px; }
h2 { font-size: 20px; margin: 0 0 10px; }
p { margin: 0 0 12px; }
a { color: var(--primary); }
.link-list, .mono-list { padding-left: 20px; }
code { word-break: break-all; font-size: 13px; }
.footer-note { padding-top: 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }