:root {
  --brand: #1a6b3c;
  --bg: #ffffff;
  --text: #18201b;
  --muted: #6b7280;
  --border: #e5e7eb;
  --soft: #f5f8f6;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 22px; }
header.site { border-bottom: 1px solid var(--border); padding: 26px 0; background: var(--soft); }
header.site .wrap { display: flex; align-items: center; gap: 13px; }
.logo {
  width: 38px; height: 38px; border-radius: 50%; background: var(--brand);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 18px;
}
.brand { font-size: 20px; font-weight: 700; letter-spacing: -0.2px; }
.tag { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1.4px; }
main { padding: 42px 0 56px; }
h1 { font-size: 30px; margin: 0 0 6px; letter-spacing: -0.4px; }
h2 { font-size: 20px; margin: 34px 0 10px; letter-spacing: -0.2px; }
h3 { font-size: 16px; margin: 22px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.card { border: 1px solid var(--border); border-radius: 14px; padding: 18px 22px; margin: 20px 0; background: #fff; }
.btn {
  display: inline-block; background: var(--brand); color: #fff;
  padding: 11px 18px; border-radius: 10px; font-weight: 600; margin-top: 6px;
}
.btn:hover { text-decoration: none; opacity: 0.92; }
.updated { color: var(--muted); font-size: 14px; margin-top: 0; }
footer.site { border-top: 1px solid var(--border); padding: 26px 0; color: var(--muted); font-size: 14px; }
footer.site a { margin-right: 18px; }
.copyright { margin-top: 10px; }