:root { --primary: #0e7490; --text: #1f2937; --muted: #6b7280; }
* { box-sizing: border-box; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: .9375rem;
  color: var(--text); line-height: 1.7; margin: 0;
  padding: 2rem 1rem; max-width: 720px; margin-inline: auto;
}
h1 { color: var(--primary); }
h2 { margin-top: 2rem; }
a { color: var(--primary); }
table { border-collapse: collapse; width: 100%; }
td, th { border: 1px solid #e5e7eb; padding: .5rem; text-align: left; }
blockquote { color: var(--muted); border-left: 3px solid #e5e7eb;
  margin: 0; padding-left: 1rem; }
footer { margin-top: 3rem; color: var(--muted); font-size: .875rem; }