:root { color-scheme: light; }
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #f8fafc;
  color: #334155;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
}
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 16px 72px;
}
.back {
  display: inline-block;
  margin-bottom: 24px;
  color: #047857;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
}
.back:hover { text-decoration: underline; }
h1 { color: #0f172a; font-size: 32px; line-height: 1.2; margin: 0 0 4px; letter-spacing: -0.02em; }
h2 { color: #0f172a; font-size: 19px; margin: 36px 0 8px; }
h3 { color: #0f172a; font-size: 16px; margin: 20px 0 4px; }
.meta { color: #64748b; font-size: 14px; margin: 0 0 28px; }
a { color: #047857; }
ul { padding-left: 22px; }
li { margin: 6px 0; }