.deepdoc-hero {
  padding-top: clamp(64px, 8vw, 112px);
  padding-bottom: clamp(72px, 9vw, 128px);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-page);
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 64px 64px;
}

.deepdoc-hero::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-page), transparent 48%, var(--color-page));
  content: "";
  pointer-events: none;
}

.deepdoc-hero > .wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
}

.deepdoc-hero-copy .kicker {
  margin-top: 28px;
}

.deepdoc-hero-copy .lead a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.deepdoc-map {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-page);
  box-shadow: var(--shadow-card), var(--shadow-high);
}

.deepdoc-map-head {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--color-border);
  padding-inline: 22px;
  color: var(--color-ink-muted);
  font-size: 11px;
}

.deepdoc-map ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.deepdoc-map li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 2px 14px;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 22px;
}

.deepdoc-map li:last-child {
  border-bottom: 0;
}

.deepdoc-map li > span {
  grid-row: 1 / span 2;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 650;
}

.deepdoc-map li > strong {
  color: var(--color-ink);
  font-size: 15px;
}

.deepdoc-map li > small {
  color: var(--color-ink-muted);
  font-size: 12px;
}

.deepdoc-body {
  display: grid;
  grid-template-columns: 220px minmax(0, var(--reading-width));
  gap: clamp(48px, 7vw, 96px);
  justify-content: center;
  padding-top: clamp(64px, 8vw, 112px);
  padding-bottom: var(--section-space);
}

.deepdoc-body > .toc {
  top: 24px;
  display: flex;
  max-height: calc(100vh - 48px);
  align-self: start;
  flex-direction: column;
  align-items: stretch;
  overflow-y: auto;
  border-radius: var(--radius-lg);
  padding: 10px;
}

.deepdoc-body > .toc a {
  width: 100%;
  flex: 0 0 auto;
  justify-content: flex-start;
  border-radius: var(--radius-sm);
}

.doc-section {
  grid-column: 2;
  padding-top: 16px;
  padding-bottom: clamp(72px, 9vw, 120px);
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 24px;
}

.doc-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.doc-section > .kicker {
  margin-bottom: 12px;
}

.doc-section > h2 {
  margin-bottom: 30px;
}

.doc-section h3 {
  margin-top: 46px;
}

.doc-section p {
  line-height: 1.85;
}

.doc-section .table-scroll,
.doc-section .mini-ui {
  margin-block: 30px;
}

.doc-section .mini-ui {
  max-width: 430px;
}

.doc-section pre {
  margin-block: 30px;
}

.doc-section .download-guide-card h2 {
  margin-top: 0;
  font-size: clamp(24px, 2.5vw, 34px);
}

@media (max-width: 960px) {
  .deepdoc-hero > .wrap {
    grid-template-columns: 1fr;
  }

  .deepdoc-map {
    width: min(100%, 620px);
  }

  .deepdoc-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .deepdoc-body > .toc {
    top: 8px;
    z-index: 8;
    display: flex;
    max-height: none;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    overflow-y: hidden;
    border-radius: var(--radius-md);
  }

  .deepdoc-body > .toc a {
    width: auto;
    flex: 0 0 auto;
  }

  .doc-section {
    grid-column: 1;
  }
}

@media (max-width: 640px) {
  .deepdoc-hero {
    background-size: 48px 48px;
    padding-top: 48px;
    padding-bottom: 72px;
  }

  .deepdoc-hero > .wrap {
    gap: 40px;
  }

  .deepdoc-map-head {
    padding-inline: 16px;
  }

  .deepdoc-map li {
    grid-template-columns: 34px minmax(0, 1fr);
    padding: 17px 16px;
  }

  .deepdoc-body {
    gap: 28px;
    padding-top: 48px;
  }

  .deepdoc-body > .toc {
    margin-inline: 0;
  }

  .doc-section {
    padding-top: 8px;
    padding-bottom: 72px;
  }

  .doc-section h3 {
    margin-top: 38px;
  }

  .doc-section p {
    line-height: 1.8;
  }
}