:root {
  --bg: #fbfaf6; --panel: #fff; --ink: #1c2b27; --muted: #61706b;
  --line: #e7e2d8; --pine: #1f6f5c; --pine-deep: #17564a;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 40px 22px 64px; }
a { color: var(--pine-deep); }
.back { display: inline-block; font-size: 14px; font-weight: 600; text-decoration: none; margin-bottom: 28px; }
.back:hover { text-decoration: underline; }
h1 { font-size: 26px; letter-spacing: -0.01em; margin: 0 0 6px; }
.lede { color: var(--muted); margin: 0 0 32px; }
h2 { font-size: 18px; margin: 34px 0 10px; }
section { border-top: 1px solid var(--line); padding-top: 8px; }
.badge {
  display: inline-block; font-size: 13px; font-weight: 700; color: #fff;
  background: var(--pine); padding: 3px 12px; border-radius: 999px; margin: 4px 0 10px;
}
code, .cite {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; display: block; white-space: pre-wrap; color: var(--ink);
}
ul { padding-left: 20px; }
li { margin: 6px 0; }
.note {
  font-size: 14px; color: var(--muted); background: var(--panel);
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
}
footer { margin-top: 40px; font-size: 12px; color: var(--muted); }