.deepdoc-hero {
  padding-top: clamp(64px, 9vw, 112px);
  padding-bottom: clamp(72px, 10vw, 124px);
  overflow: hidden;
  background: var(--color-canvas);
}

.deepdoc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.85fr);
  gap: clamp(44px, 7vw, 92px);
  align-items: center;
}

.deepdoc-hero__copy h1 {
  max-width: 760px;
  margin-bottom: 22px;
}

.deepdoc-hero__lead {
  max-width: 720px;
  margin-bottom: 24px;
  color: var(--color-ink-muted);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.75;
}

.deepdoc-hero__relation {
  max-width: 700px;
  margin-top: 24px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.deepdoc-map {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-card-large);
  background: var(--color-canvas);
  box-shadow: var(--shadow-front);
}

.deepdoc-map__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

.deepdoc-map__flow {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.deepdoc-map__flow li {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding-top: 22px;
  padding-bottom: 22px;
}

.deepdoc-map__flow li + li {
  border-top: 1px solid var(--color-line);
}

.deepdoc-map__flow li > span {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-brand-soft);
  color: var(--color-brand);
  font-family: var(--font-mono);
  font-size: 12px;
}

.deepdoc-map__flow strong {
  display: block;
  color: var(--color-ink);
  font-weight: 500;
}

.deepdoc-map__flow small {
  display: block;
  margin-top: 3px;
  color: var(--color-ink-muted);
  line-height: 1.55;
}

.deepdoc-map__note {
  padding: 13px 16px;
  overflow-x: auto;
  border-radius: var(--radius-inner);
  background: var(--color-panel);
  text-align: center;
}

.deepdoc-map__note code {
  padding: 0;
  background: transparent;
  color: var(--color-brand-deep);
  white-space: nowrap;
}

.deepdoc-article {
  color: var(--color-ink);
}

.deepdoc-article > h2:first-child {
  margin-top: 0;
}

.deepdoc-article h2 {
  padding-top: 10px;
  border-top: 1px solid var(--color-line);
}

.deepdoc-article h3 {
  font-size: clamp(20px, 2vw, 24px);
}

.deepdoc-article p {
  color: var(--color-ink-muted);
}

.deepdoc-article .chapter-lead {
  padding: 18px 20px;
  border-left: 4px solid var(--color-coral);
  border-radius: 0 var(--radius-inner) var(--radius-inner) 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-size: 17px;
}

.deepdoc-article .table-scroll {
  margin-top: 1.5em;
  margin-bottom: 1.5em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-inner);
  background: var(--color-canvas);
}

.deepdoc-article table {
  min-width: 680px;
}

.deepdoc-article th:first-child,
.deepdoc-article td:first-child {
  width: 28%;
}

.deepdoc-article pre {
  margin-top: 1.5em;
  margin-bottom: 1.5em;
  box-shadow: var(--shadow-back);
}

.deepdoc-article .callout {
  margin-top: 1.7em;
  margin-bottom: 1.7em;
}

.deepdoc-article .download-guide-card h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

@media (max-width: 900px) {
  .deepdoc-hero__grid {
    grid-template-columns: 1fr;
  }

  .deepdoc-map {
    max-width: 620px;
  }
}

@media (max-width: 640px) {
  .deepdoc-hero {
    padding-top: 52px;
    padding-bottom: 64px;
  }

  .deepdoc-map {
    padding: 20px;
  }

  .deepdoc-map__flow li {
    grid-template-columns: 38px 1fr;
    gap: 11px;
  }

  .deepdoc-map__flow li > span {
    width: 34px;
    height: 34px;
  }

  .deepdoc-map__note {
    text-align: left;
  }

  .deepdoc-article .chapter-lead {
    padding: 16px;
    font-size: 16px;
  }
}