.doc-opening {
  padding-top: 72px;
  padding-bottom: 104px;
  background: var(--bg-panel-2);
  color: var(--on-dark);
}
.doc-opening h1 {
  margin-top: 0;
  margin-bottom: 24px;
}
.doc-intro {
  max-width: 32em;
  margin-bottom: 28px;
  color: var(--on-dark-muted);
  font-size: 19px;
}
.doc-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark-2);
  color: var(--on-dark-faint);
  font-size: 13px;
}
.doc-surface {
  position: relative;
  margin-top: -40px;
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  background: var(--bg);
  color: var(--text);
}
.doc-context {
  margin-bottom: 36px;
}
.doc-page .toc {
  gap: 4px;
}
.doc-page .toc a {
  padding-inline: 12px;
}
.doc-page section + section {
  margin-top: 64px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.doc-page section {
  scroll-margin-top: 156px;
}
.doc-page section > h2 {
  margin-top: 0;
}
.doc-page pre {
  margin-block: 24px;
}
.doc-page .table-wrap {
  margin-block: 28px;
}
@media (max-width: 640px) {
  .doc-opening {
    padding-top: 48px;
    padding-bottom: 80px;
  }
  .doc-intro {
    font-size: 17px;
  }
  .doc-page section {
    scroll-margin-top: 24px;
  }
  .doc-page section + section {
    margin-top: 48px;
  }
}