:root {
  --rosu: #8b1a1a;
  --crem: #f5f0e8;
  --gri: #444;
}
* { box-sizing: border-box; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  max-width: 820px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  color: #1a1a1a;
  line-height: 1.6;
  background: var(--crem);
}
.ra-doc-header {
  border-bottom: 2px solid var(--rosu);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
}
.ra-doc-header .brand {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--rosu);
}
.ra-doc-header h1 {
  font-size: 1.35rem;
  margin: 0.35rem 0 0;
  line-height: 1.35;
}
.meta {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  padding: 1rem 1.15rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}
.meta dt {
  font-weight: 600;
  float: left;
  clear: left;
  width: 7rem;
  color: var(--gri);
}
.meta dd { margin: 0 0 0.5rem 7rem; }
.official {
  background: #fff;
  padding: 1.15rem 1.25rem;
  border-left: 4px solid #333;
  margin-bottom: 1rem;
  white-space: pre-wrap;
  font-size: 0.95rem;
}
.ra-box {
  background: #fff8e8;
  border-left: 4px solid #b8860b;
  padding: 1rem 1.15rem;
  margin: 1rem 0;
  font-size: 0.92rem;
}
.ra-box h2 {
  font-size: 0.95rem;
  margin: 0 0 0.5rem;
  color: var(--rosu);
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.88rem;
}
.nav-links a { color: var(--rosu); }
.note {
  font-size: 0.82rem;
  color: var(--gri);
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}
code { font-size: 0.85em; background: #eee; padding: 0.1em 0.35em; }