/* 淡入动画 */
@keyframes fadeIn {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* 滑入动画 */
@keyframes slideInUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.slide-in-up {
  animation: slideInUp 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* 脉冲动画 */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.pulse {
  animation: pulse 2s infinite;
}

/* 应用动画的延迟 */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* 添加卡片序列动画 */
@keyframes cardAppear {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.card-appear {
  animation: cardAppear 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}