/* 新闻动态 */
.news {
  padding: var(--section-padding);
  position: relative;
  background: var(--bg-secondary);
}

.news-header {
  text-align: center;
  margin-bottom: 48px;
}

.news-header .section-desc {
  margin: 0 auto;
}

/* 新闻分类标签 */
.news-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.news-tab {
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 100px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.news-tab:hover {
  border-color: rgba(0, 240, 255, 0.3);
  color: var(--neon-cyan);
}

.news-tab.active {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

/* 新闻列表 */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 860px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 24px;
  padding: 28px;
  cursor: pointer;
}

.news-date {
  flex-shrink: 0;
  text-align: center;
  min-width: 64px;
}

.news-date .day {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.news-date .month {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.news-body {
  flex: 1;
}

.news-source {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  background: rgba(0, 240, 255, 0.08);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.15);
}

.news-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  transition: color 0.3s ease;
  line-height: 1.4;
}

.news-item:hover h3 {
  color: var(--neon-cyan);
}

.news-body p {
  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;
}

/* 视频新闻区域 */
.news-videos {
  margin-top: 48px;
}

.news-videos-title {
  text-align: center;
  margin-bottom: 32px;
}

.news-videos-title h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
}

.news-videos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.video-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16/9;
  background: var(--bg-tertiary);
}

.video-card video,
.video-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 14, 26, 0.8) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: all 0.3s ease;
}

.video-card:hover .video-card-overlay {
  background: linear-gradient(to top, rgba(10, 14, 26, 0.9) 0%, rgba(10, 14, 26, 0.2) 60%);
}

.video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.15);
  border: 2px solid var(--neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.video-card:hover .video-play-icon {
  background: rgba(0, 240, 255, 0.25);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--neon-cyan);
  margin-left: 4px;
}

.video-card-overlay h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-top: auto;
}

.video-card-overlay .video-source {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 响应式 */
@media (max-width: 768px) {
  .news-item {
    flex-direction: column;
    gap: 12px;
  }
  
  .news-date {
    display: flex;
    align-items: center;
    gap: 8px;
    text-align: left;
  }
  
  .news-date .day {
    font-size: 1.5rem;
  }
  
  .news-videos-grid {
    grid-template-columns: 1fr;
  }
}