[data-component="topic_detail"].pb-topic-detail {
  min-width: 0;
}

/* 轻量面包屑：卡片感但不抢下方 hero；外缘与 .pb-topic-detail__head 同左对齐 */
[data-component="topic_detail"] .pb-topic-detail__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  box-sizing: border-box;
  width: 100%;
  margin: 0 0 12px;
  padding: 10px 20px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg, 8px);
  background: var(--c-surface, #fff);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  font-size: 15px;
  line-height: 1.45;
  color: var(--c-text-muted);
}

[data-component="topic_detail"] .pb-topic-detail__crumb a {
  color: var(--c-text-muted);
  text-decoration: none;
  transition: color var(--dur, 0.2s) var(--ease, ease);
}

[data-component="topic_detail"] .pb-topic-detail__crumb a:hover,
[data-component="topic_detail"] .pb-topic-detail__crumb a:focus-visible {
  color: var(--c-accent);
  outline: none;
}

[data-component="topic_detail"] .pb-topic-detail__crumb > span[aria-hidden="true"] {
  color: var(--c-text-muted);
  opacity: 0.72;
  margin: 0 1px;
}

[data-component="topic_detail"] .pb-topic-detail__crumb-cur {
  color: var(--c-text);
  font-weight: 500;
}

@media (max-width: 860px) {
  [data-component="topic_detail"] .pb-topic-detail__crumb {
    padding: 10px 20px;
    margin-bottom: 10px;
  }
}

[data-component="topic_detail"] .pb-topic-detail__head {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-lg, 8px);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  box-shadow: var(--shadow-card, 0 1px 2px rgba(0, 0, 0, 0.04));
}

[data-component="topic_detail"] .pb-topic-detail__pic {
  flex: 0 0 320px;
  max-width: 42%;
  border-radius: var(--radius-lg, 8px);
  overflow: hidden;
  background: var(--c-surface-2);
}

[data-component="topic_detail"] .pb-topic-detail__pic img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 69 / 40;
  object-fit: cover;
}

[data-component="topic_detail"] .pb-topic-detail__body {
  flex: 1 1 auto;
  min-width: 0;
}

[data-component="topic_detail"] .pb-topic-detail__title {
  margin: 0;
  font-size: 28px;
  font-weight: 650;
  line-height: 1.25;
  color: var(--c-text);
  letter-spacing: -0.02em;
}

[data-component="topic_detail"] .pb-topic-detail__sub {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-text-muted);
}

[data-component="topic_detail"] .pb-topic-detail__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

[data-component="topic_detail"] .pb-topic-detail__stats li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
  color: var(--c-text-muted);
}

[data-component="topic_detail"] .pb-topic-detail__stats em {
  font-style: normal;
  font-size: 18px;
  font-weight: 650;
  color: var(--c-text);
}

[data-component="topic_detail"] .pb-topic-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

[data-component="topic_detail"] .pb-topic-detail__follow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--c-accent);
  background: #fff;
  color: var(--c-accent) !important;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: background var(--dur, 0.2s) var(--ease, ease), color var(--dur, 0.2s) var(--ease, ease), border-color var(--dur, 0.2s) var(--ease, ease);
}

[data-component="topic_detail"] .pb-topic-detail__follow:hover {
  background: var(--c-accent-soft);
  color: var(--c-accent-hover) !important;
  border-color: var(--c-accent-hover);
}

[data-component="topic_detail"] .pb-topic-detail__follow.is_fav,
[data-component="topic_detail"] .pb-topic-detail__follow.is_fav:hover {
  border-color: transparent;
  background: var(--c-accent);
  color: var(--c-accent-ink, #fff) !important;
}

[data-component="topic_detail"] .pb-topic-detail__follow:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

[data-component="topic_detail"] .pb-topic-detail__panel {
  margin-bottom: 16px;
  padding: 18px 20px 20px;
  border-radius: var(--radius-lg, 8px);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  box-shadow: var(--shadow-card, 0 1px 2px rgba(0, 0, 0, 0.04));
}

[data-component="topic_detail"] .pb-topic-detail__panel-title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 650;
  line-height: 1.3;
  color: var(--c-text);
}

[data-component="topic_detail"] .pb-topic-detail__panel-body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text);
}

[data-component="topic_detail"] .pb-topic-detail__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 1100px) {
  [data-component="topic_detail"] .pb-topic-detail__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  [data-component="topic_detail"] .pb-topic-detail__head {
    flex-direction: column;
  }

  [data-component="topic_detail"] .pb-topic-detail__pic {
    flex: 0 0 auto;
    max-width: 100%;
    width: 100%;
  }

  [data-component="topic_detail"] .pb-topic-detail__title {
    font-size: 22px;
  }

  [data-component="topic_detail"] .pb-topic-detail__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (max-width: 560px) {
  [data-component="topic_detail"] .pb-topic-detail__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}