:root {
  --gold: #f0c24b;
  --gold-deep: #e0a81f;
  --gold-dark: #a9800f;
  --paper: #fdf6dc;
  --border: #e3c567;
  --ink: #2b2b2b;
  --ink-soft: #555;
  --link: #1976d2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 20px 64px;
  background: #efefef;
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 32px 48px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .08);
}

.crumb {
  margin: 0 0 8px;
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: uppercase;
  font-size: 13px;
}

.crumb a { color: var(--gold-dark); text-decoration: none; }

h1 {
  margin: 0 0 4px;
  font-size: 30px;
  line-height: 1.25;
}

h2 {
  margin: 34px 0 8px;
  font-size: 20px;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 6px;
}

h2.warn { border-bottom-color: var(--gold-deep); }

.updated {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 14px;
}

.callout {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px 18px;
  margin: 16px 0;
}

ul { padding-left: 22px; }
li { margin-bottom: 6px; }

a { color: var(--link); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}

th, td {
  border: 1px solid #e2e2e2;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th { background: var(--paper); }

.footer {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid #e2e2e2;
  color: var(--ink-soft);
  font-size: 14px;
}

@media (max-width: 640px) {
  body { padding: 0 12px 40px; }
  main { padding: 28px 20px 32px; }
  h1 { font-size: 25px; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  td { border: none; border-bottom: 1px solid #eee; }
  tr { border: 1px solid #e2e2e2; border-radius: 8px; margin-bottom: 12px; padding: 6px; }
}