.doc-hero {
  border-top: 0;
  padding: var(--s6) 0 var(--s5);
}

.doc-intro {
  display: grid;
  gap: 1rem;
  padding: clamp(1.35rem, 3vw, 2rem);
  background: var(--su);
  border: 1px solid var(--bd);
  border-radius: var(--rxl);
}

.doc-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: var(--fsm);
  color: var(--tx3);
}

.doc-breadcrumbs a {
  color: var(--tx2);
}

.doc-breadcrumbs a:hover,
.doc-breadcrumbs a:focus-visible {
  color: var(--tx);
}

.doc-title {
  font-size: clamp(2rem, 1.4rem + 3vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.doc-date {
  font-size: var(--fsm);
  color: var(--tx3);
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.doc-layout {
  display: grid;
  gap: var(--s3);
}

.doc-layout > div {
  display: grid;
  gap: var(--s3);
  align-content: start;
}

.doc-card {
  padding: clamp(1.2rem, 3vw, 1.7rem);
  background: var(--su);
  border: 1px solid var(--bd);
  border-radius: var(--rxl);
}

.doc-card h2 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  letter-spacing: -0.02em;
}

.doc-card p + p,
.doc-card p + ul,
.doc-card p + ol,
.doc-card ul + p,
.doc-card ol + p,
.doc-card table + p,
.doc-card h3 + p,
.doc-card h2 + p,
.doc-card h2 + ul {
  margin-top: 0.9rem;
}

.doc-card ul,
.doc-card ol {
  padding-left: 1.2rem;
}

.doc-card li + li {
  margin-top: 0.45rem;
}

.doc-card a {
  color: var(--ac);
  text-decoration: underline;
  text-underline-offset: 0.18rem;
}

.doc-toc-title {
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.35rem);
}

.doc-toc-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
  list-style: none;
}

.doc-toc-list a {
  color: var(--tx);
  font-weight: 500;
}

.doc-toc-list a:hover,
.doc-toc-list a:focus-visible {
  color: var(--ac);
}

.doc-highlight {
  padding: 1rem 1.1rem;
  background: var(--ac2);
  border-left: 4px solid var(--ac);
  color: var(--tx);
}

.doc-table {
  width: 100%;
  margin-top: 1rem;
  border-collapse: collapse;
}

.doc-table th,
.doc-table td {
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--bd);
  text-align: left;
  vertical-align: top;
}

.doc-table thead th {
  border-top: 0;
  font-size: var(--fsm);
  font-weight: 700;
  color: var(--tx);
}

.doc-note {
  font-size: var(--fsm);
  color: var(--tx2);
}

@media (min-width: 900px) {
  .doc-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .doc-toc {
    position: sticky;
    top: 1rem;
  }
}

@media (max-width: 720px) {
  .doc-actions .btn {
    width: 100%;
  }

  .doc-table {
    display: block;
    overflow-x: auto;
  }
}