/* ========== News页面特定样式 ========== */
.news-page .main {
  padding-top: calc(var(--header-height) + var(--content-spacing));
}

/* 新闻过滤器 */
.news-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.filter-btn {
  background: none;
  border: 1px solid var(--border-color);
  padding: 8px 20px;
  border-radius: 30px;
  font-family: var(--font-en);
  font-size: 0.95rem;
  color: var(--light-text);
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--text-color);
  color: white;
  border-color: var(--text-color);
}

/* 新闻网格 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 4rem;
}

.news-item {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

/* 保持统一的宽高比例 */
.news-image {
  position: relative;
  width: 100%;
  padding-top: 66.67%; /* 3:2 比例 */
  overflow: hidden;
}

.news-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-item:hover .news-image img {
  transform: scale(1.05);
}

.news-category {
  position: absolute;
  top: 15px;
  right: 15px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-family: var(--font-en);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.news-content {
  padding: 25px;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 0.9rem;
}

.news-date {
  color: var(--light-text);
  font-family: var(--font-en);
}

.news-source {
  color: var(--text-color);
  font-weight: 500;
  font-family: var(--font-en);
}

.news-title {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 15px;
  min-height: 68px;
}

.news-excerpt {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-color);
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s ease;
}

.news-link:hover {
  color: var(--hover-color);
}

.news-link::after {
  content: "→";
  margin-left: 5px;
  transition: transform 0.3s ease;
}

.news-link:hover::after {
  transform: translateX(3px);
}

/* 加载更多按钮 */
.load-more-container {
  text-align: center;
  margin-top: 2rem;
}

.load-more-btn {
  background: none;
  border: 1px solid var(--border-color);
  padding: 12px 30px;
  border-radius: 30px;
  font-family: var(--font-en);
  font-size: 1rem;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
}

.load-more-btn:hover {
  background: var(--text-color);
  color: white;
  border-color: var(--text-color);
}

/* 语言响应式字体设置 */
[lang="en"] .news-date,
[lang="en"] .news-source,
[lang="en"] .news-category,
[lang="en"] .filter-btn,
[lang="en"] .load-more-btn {
  font-family: var(--font-en) !important;
}

[lang="zh-CN"] .news-date,
[lang="zh-CN"] .news-source,
[lang="zh-CN"] .news-category,
[lang="zh-CN"] .filter-btn,
[lang="zh-CN"] .load-more-btn {
  font-family: var(--font-cn) !important;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .news-filter {
    gap: 10px;
    margin-bottom: 2rem;
  }
  
  .filter-btn {
    padding: 6px 15px;
    font-size: 0.85rem;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .news-image {
    height: 200px;
  }
  
  .news-content {
    padding: 20px;
  }
  
  .news-title {
    font-size: 1.2rem;
    min-height: auto;
  }
  
  .news-meta {
    flex-direction: column;
    gap: 5px;
  }
}

@media (max-width: 480px) {
  .news-filter {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 1.5rem;
  }
  
  .filter-btn {
    white-space: nowrap;
  }
  
  .news-image {
    height: 180px;
  }
  
  .news-title {
    font-size: 1.1rem;
  }
}