/* ============================================
   文章/详情页通用样式
   ============================================ */

/* === Article List === */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.article-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 24px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.article-item:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
  transform: translateY(-2px);
}

.article-item .article-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.article-item .article-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.article-item .article-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
}

.article-item .article-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.article-item .article-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === Article Detail === */
.article-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 0;
}

.article-detail .article-header {
  text-align: center;
  margin-bottom: 40px;
}

.article-detail .article-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.4;
}

.article-detail .article-header .meta {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-detail .cover-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 40px;
}

/* === Sidebar Layout === */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.sidebar-widget {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-widget h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-widget ul li {
  padding: 8px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.sidebar-widget ul li:hover {
  color: var(--primary);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .content-with-sidebar {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .article-item {
    grid-template-columns: 1fr;
  }
  .article-detail .article-header h1 {
    font-size: 1.5rem;
  }
}