.diagnostic-intro {
  background: var(--bg);
}

.diagnostic-intro__inner {
  max-width: 900px;
}

.diagnostic-intro h1 {
  margin: 0 0 22px;
}

.diagnostic-intro__lead {
  max-width: 42em;
  margin: 0 0 20px;
  color: var(--accent);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.55;
}

.diagnostic-intro__inner > p:last-child {
  max-width: 66ch;
  margin-bottom: 0;
  color: var(--text-muted);
}

.diagnostic-intro a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.diagnostic-map-title {
  margin: 0 0 22px;
  font-size: 25px;
}

.diagnostic-toc {
  gap: 10px;
}

.diagnostic-principle {
  margin-bottom: 0;
}

.diagnostic-body .prose h2 {
  margin-top: 0;
}

.diagnostic-body .prose h3 {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.diagnostic-body .prose > :last-child {
  margin-bottom: 0;
}

.diagnostic-body .section-muted .callout {
  background: var(--bg-panel);
}

.diagnostic-body .table-scroll {
  margin-block: 24px;
}

@media (max-width: 640px) {
  .diagnostic-map-title {
    font-size: 22px;
  }

  .diagnostic-toc a {
    font-size: 14px;
  }
}