/* ============================================
   skin-3.css - 聚合页皮肤（系列专题类）
   时间线风格，强调阅读顺序
   ============================================ */

.skin-3 .article-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: var(--space-6);
}

.skin-3 .article-list::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: linear-gradient(to bottom, var(--brand-primary), var(--brand-accent));
  border-radius: 2px;
}

.skin-3 .article-card {
  position: relative;
  border: none;
  background: transparent;
  padding: var(--space-3) 0;
  box-shadow: none;
  border-radius: 0;
}

.skin-3 .article-card::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-6) - 2px);
  top: 16px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--brand-primary);
  border: 3px solid var(--bg-white);
  box-shadow: 0 0 0 2px var(--brand-primary);
  transition: all 0.3s;
}

.skin-3 .article-card:hover::before {
  background: var(--brand-accent);
  box-shadow: 0 0 0 2px var(--brand-accent);
  transform: scale(1.2);
}

.skin-3 .article-card h3 {
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

.skin-3 .card-summary {
  display: none;
}

.skin-3 .card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .skin-3 .article-list {
    padding-left: var(--space-5);
  }
}