section[data-module="innerpage-banner-animation"] .arrow-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

section[data-module="innerpage-banner-animation"] .arrow {
  width: 30px;
  opacity: 0;
  animation: dropDown 3s infinite; /* ✅ 更慢的节奏 */
}

section[data-module="innerpage-banner-animation"] .arrow:nth-child(1) { animation-delay: 0s; }
section[data-module="innerpage-banner-animation"] .arrow:nth-child(2) { animation-delay: 0.3s; }
section[data-module="innerpage-banner-animation"] .arrow:nth-child(3) { animation-delay: 0.6s; }
section[data-module="innerpage-banner-animation"] .arrow:nth-child(4) { animation-delay: 0.9s; }
section[data-module="innerpage-banner-animation"] .arrow:nth-child(5) { animation-delay: 1.2s; }

@keyframes dropDown {
  0%   { opacity: 0; transform: translateY(-10px); }
  50%  { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}