/* ===================================
   新闻页面样式
   =================================== */

.news-hero {
  background:  url('https://picsum.photos/1920/600?random=12') center/cover no-repeat;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 新闻导航 */
.news-nav {
  background-color: var(--background-light);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.news-tabs {
  display: flex;
  gap: var(--spacing-md);
}

.news-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-primary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.news-tab:hover,
.news-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

/* 新闻列表区块 */
.news-list-section {
  background-color: #fff;
  padding: var(--spacing-xxl) 0;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.news-list-card {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.news-list-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.news-list-cover {
  height: 200px;
  overflow: hidden;
  background-color: var(--secondary-color);
}

.news-list-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-list-card:hover .news-list-cover img {
  transform: scale(1.1);
}

.news-list-content {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-list-category {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--primary-color);
  color: #fff;
  font-size: 0.75rem;
  border-radius: 4px;
  margin-bottom: var(--spacing-sm);
  align-self: flex-start;
}

.news-list-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list-summary {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-list-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-light);
}

.news-list-date {
  color: var(--text-light);
}

/* 分页器 */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.page-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--border-color);
  background-color: #fff;
  color: var(--text-primary);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.page-btn.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 骨架屏 */
.skeleton-card {
  height: 400px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 8px;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* 空状态 */
.news-empty {
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.empty-icon {
  font-size: 5rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.news-empty p {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

/* 响应式 */
@media (max-width: 768px) {
  .news-list {
    grid-template-columns: 1fr;
  }
  
  .news-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .pagination {
    flex-wrap: wrap;
  }
}