/* About / 讲师 · 知识审核与相关内容互链 */
.entity-related {
  --er-ink: #152238;
  --er-muted: #5a6678;
  --er-line: rgba(21, 34, 56, 0.12);
  --er-accent: #1d6fa4;
  --er-paper: #f7f5f0;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.entity-related-section {
  padding: 56px 0 48px;
  background: var(--er-paper);
  border-top: 1px solid var(--er-line);
}
.entity-related-section--plain {
  background: transparent;
}
.entity-related-kicker {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--er-accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.entity-related h2 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  color: var(--er-ink);
  margin: 0 0 10px;
  font-weight: 700;
}
.entity-related-lead {
  color: var(--er-muted);
  line-height: 1.7;
  max-width: 42rem;
  margin: 0 0 28px;
  font-size: 15px;
}
.entity-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.entity-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 1px solid var(--er-line);
  border-radius: 12px;
  padding: 18px 18px 16px;
  transition: border-color 0.2s, transform 0.2s;
}
.entity-related-card:hover {
  border-color: rgba(29, 111, 164, 0.45);
  transform: translateY(-2px);
}
.entity-related-card strong {
  display: block;
  font-size: 16px;
  color: var(--er-ink);
  margin-bottom: 6px;
}
.entity-related-card span {
  display: block;
  font-size: 13px;
  color: var(--er-muted);
  line-height: 1.55;
}
.entity-related-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.entity-related-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  text-decoration: none;
  color: var(--er-ink);
  background: #fff;
  border: 1px solid var(--er-line);
  border-radius: 10px;
  padding: 14px 16px;
  transition: border-color 0.2s;
}
.entity-related-list a:hover {
  border-color: rgba(29, 111, 164, 0.45);
}
.entity-related-list a em {
  font-style: normal;
  font-weight: 600;
  flex: 1 1 220px;
}
.entity-related-list a small {
  color: var(--er-muted);
  font-size: 12px;
}
.entity-related-hubs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 14px;
}
.entity-related-hubs a {
  color: var(--er-accent);
  font-weight: 600;
  text-decoration: none;
}
.entity-related-hubs a:hover {
  text-decoration: underline;
}
.kn-reviewer-link {
  color: var(--kn-accent, #c45c26);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(196, 92, 38, 0.35);
}
.kn-reviewer-link:hover {
  border-bottom-color: currentColor;
}
@media (max-width: 860px) {
  .entity-related-grid {
    grid-template-columns: 1fr;
  }
}