.guide-article pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 20px;
  border: 1px solid var(--nx-border-2);
  border-radius: 12px;
  background: var(--nx-bg-2);
  font-size: 13px;
  line-height: 1.65;
  tab-size: 2;
}
.guide-article > h2 { margin-top: 48px; }
.guide-article > h3 { margin-top: 28px; }