.deepdoc-hero {
  position: relative;
  overflow: clip;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-panel);
}

.deepdoc-hero::after {
  position: absolute;
  top: -220px;
  right: -180px;
  width: 560px;
  height: 560px;
  border-radius: var(--radius-round);
  background: var(--gradient-glow);
  content: "";
  pointer-events: none;
}

.deepdoc-hero .reading-wrap {
  position: relative;
  z-index: 1;
}

.deepdoc-hero h1 {
  max-width: 15em;
}

.deepdoc-hero .lead {
  margin-top: 20px;
}

.deepdoc-summary {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  padding: 22px 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-page);
  box-shadow: var(--shadow-soft);
}

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

.deepdoc-summary a {
  color: var(--color-brand-deep);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-brand);
  text-underline-offset: 3px;
}

.diagnostic-rule {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.diagnostic-rule span {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-round);
  background: var(--color-panel-strong);
  color: var(--color-muted);
  font-size: 13px;
}

.diagnostic-rule span::before {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: var(--radius-round);
  background: var(--color-brand);
  content: "";
}

.deepdoc-body {
  padding-top: 52px;
  padding-bottom: var(--section-space);
}

.deepdoc-body .toc-tabs {
  top: 10px;
}

.troubleshoot-chapter {
  padding-top: 42px;
  padding-bottom: 72px;
  scroll-margin-top: calc(var(--header-height) + 18px);
  border-bottom: 1px solid var(--color-line);
}

.troubleshoot-chapter h2 {
  margin-top: 0;
}

.troubleshoot-chapter h3 {
  position: relative;
  padding-left: 18px;
}

.troubleshoot-chapter h3::before {
  position: absolute;
  top: 0.45em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-round);
  background: var(--color-brand);
  content: "";
}

.troubleshoot-chapter p {
  color: var(--color-ink);
}

.troubleshoot-chapter .table-wrap {
  margin-top: 22px;
  margin-bottom: 24px;
}

.troubleshoot-chapter pre {
  margin-top: 22px;
  margin-bottom: 24px;
}

.deepdoc-closing {
  margin-top: 72px;
  padding: 30px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
}

.deepdoc-closing h2 {
  margin-top: 0;
}

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

@media (max-width: 768px) {
  .deepdoc-hero::after {
    top: -160px;
    right: -250px;
    width: 460px;
    height: 460px;
  }

  .deepdoc-summary {
    padding: 20px;
  }

  .deepdoc-body {
    padding-top: 36px;
  }

  .troubleshoot-chapter {
    padding-top: 30px;
    padding-bottom: 56px;
  }

  .deepdoc-closing {
    margin-top: 54px;
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .diagnostic-rule {
    align-items: stretch;
  }

  .diagnostic-rule span {
    flex: 1 1 145px;
  }

  .deepdoc-closing {
    border-radius: var(--radius-lg);
  }
}