/* 動畫效果 */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* 卡片動畫延遲 */
.brand-card:nth-child(1) { animation-delay: 0.1s; }
.brand-card:nth-child(2) { animation-delay: 0.2s; }
.brand-card:nth-child(3) { animation-delay: 0.3s; }
.brand-card:nth-child(4) { animation-delay: 0.4s; }
.brand-card:nth-child(5) { animation-delay: 0.5s; }
.brand-card:nth-child(6) { animation-delay: 0.6s; }