:root { --text: #1f2a2e; --muted: #5d6b70; --link: #00695c; --bg: #f5faf8; --line: #d7e4df; }
@media (prefers-color-scheme: dark) {
  :root { --text: #e3ece9; --muted: #9fb1ab; --link: #6fd3c1; --bg: #142024; --line: #2a3a3f; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.home { font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
main { max-width: 760px; margin: 0 auto; padding: 8px 16px 48px; }
section { padding-top: 16px; border-bottom: 1px solid var(--line); }
section:last-child { border-bottom: 0; }
h1 { font-size: 28px; line-height: 1.25; margin: 16px 0 4px; }
h2 { font-size: 19px; margin: 28px 0 6px; }
.meta { color: var(--muted); margin-top: 0; }
a { color: var(--link); }
ul { padding-left: 22px; }