.tx-short-item {
  transition: all 0.3s ease;
  position: relative;
}

.tx-short-item:hover {
  transform: translateY(-5px) scale(1.02);
}

/* 短视频封面效果 */
.tx-short-cover {
  position: relative;
  overflow: hidden;
}

.tx-short-cover img {
  transition: all 0.4s ease;
}

.tx-short-item:hover .tx-short-cover img {
  transform: scale(1.1);
}

/* 播放覆盖层 */
.tx-short-overlay {
  transition: all 0.3s ease;
}

.tx-short-overlay .fas.fa-play {
  animation: tx-short-play-bounce 1.5s ease-in-out infinite;
}

@keyframes tx-short-play-bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3); }
}

/* 观看量徽章动画 */
.tx-short-views {
  animation: tx-views-pulse 2s ease-in-out infinite;
}

@keyframes tx-views-pulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
  }
  50% { 
    transform: scale(1.05);
    box-shadow: 0 0 0 8px rgba(249, 115, 22, 0);
  }
}

/* 短视频网格动画 */
.tx-short-feed .tx-short-item {
  animation: tx-short-pop-in 0.5s ease forwards;
  opacity: 0;
  transform: scale(0.8);
}

.tx-short-item:nth-child(1) { animation-delay: 0.1s; }
.tx-short-item:nth-child(2) { animation-delay: 0.2s; }
.tx-short-item:nth-child(3) { animation-delay: 0.3s; }
.tx-short-item:nth-child(4) { animation-delay: 0.4s; }
.tx-short-item:nth-child(5) { animation-delay: 0.5s; }
.tx-short-item:nth-child(6) { animation-delay: 0.6s; }
.tx-short-item:nth-child(7) { animation-delay: 0.7s; }
.tx-short-item:nth-child(8) { animation-delay: 0.8s; }

@keyframes tx-short-pop-in {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 视频信息区域 */
.tx-short-info {
  transition: all 0.3s ease;
}

.tx-short-item:hover .tx-short-info {
  background: rgba(147, 51, 234, 0.05);
}

.tx-short-title {
  transition: all 0.3s ease;
}

.tx-short-item:hover .tx-short-title {
  color: #8b5cf6;
  transform: translateX(5px);
}

/* 创作按钮特效 */
.tx-upload-btn {
  position: relative;
  overflow: hidden;
}

.tx-upload-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.tx-upload-btn:hover::before {
  left: 100%;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .tx-short-feed {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .tx-short-feed {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .tx-short-feed {
    grid-template-columns: 1fr;
  }
  
  .tx-hero-title {
    font-size: 2.5rem;
  }
}