.protocol-reference .reference-intro {
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:56px;
  align-items:start;
  margin-bottom:64px;
}
.protocol-reference .reference-intro > * {
  min-width:0;
}
.protocol-reference .reference-intro .section-head {
  margin-bottom:0;
}
.protocol-reference .reference-intro h1 {
  margin-top:16px;
}
.protocol-reference .reference-lead {
  margin-top:28px;
  font-size:20px;
  line-height:1.75;
}
.protocol-reference .reference-intro .section-head > p:last-child {
  margin-top:24px;
  color:var(--text-muted);
  line-height:1.85;
}
.protocol-reference .reference-intro a {
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:4px;
}
.protocol-reference .reference-boundary h2 {
  font-size:24px;
}
.protocol-reference .reference-boundary p {
  font-size:14px;
  line-height:1.85;
}
.protocol-reference .reference-boundary a {
  color:var(--hero-text-strong);
  text-decoration-color:var(--accent-tint);
}
.protocol-reference .reference-body {
  max-width:var(--reading-max);
  margin-inline:auto;
}
.protocol-reference .reference-chapter {
  padding-top:var(--section-gap);
  scroll-margin-top:28px;
}
.protocol-reference .reference-chapter:first-child {
  padding-top:32px;
}
.protocol-reference .reference-chapter > h2 {
  margin-top:14px;
}
.protocol-reference .reference-chapter > .eyebrow {
  margin-top:0;
  margin-bottom:0;
  font-family:var(--font-mono);
}
.protocol-reference .table-scroll {
  margin-top:28px;
  margin-bottom:28px;
}
.protocol-reference .callout {
  margin-top:28px;
  margin-bottom:28px;
}
.protocol-reference .callout p {
  margin-block:0;
}
@media (max-width:960px) {
  .protocol-reference .reference-intro {
    grid-template-columns:minmax(0,1fr);
    gap:40px;
  }
}
@media (max-width:640px) {
  .protocol-reference .reference-intro {
    margin-bottom:40px;
  }
  .protocol-reference .reference-lead {
    font-size:18px;
  }
}