:root {
  --bg: #F5F6F2; --card: #FFFFFF; --text: #1A1C24; --muted: #4E5A55;
  --accent: #4C6B3C; --line: #DDE3DA;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #1C262A; --card: #273338; --text: #EEF2EC; --muted: #B3C0B8;
          --accent: #A9C08B; --line: #3F5056; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 760px; margin: 0 auto; padding: 40px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
header img { width: 48px; height: 48px; border-radius: 12px; }
header a { color: inherit; text-decoration: none; font-weight: 700; font-size: 20px; }
h1 { font-size: 34px; line-height: 1.2; margin: 24px 0 4px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
.meta { color: var(--muted); margin: 0 0 24px; }
a { color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px;
        padding: 20px 22px; margin: 16px 0; }
.card p:first-child, .card ul:first-child { margin-top: 0; }
.card :last-child { margin-bottom: 0; }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }
table { width: 100%; border-collapse: collapse; font-size: 16px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-top: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
footer { color: var(--muted); font-size: 15px; margin-top: 48px; }