/* Instant local feedback; never scale/translate the hit target or change its coordinates. */
#controller-container [data-id].cloud-fast-pressed {
  outline: 2px solid rgba(137, 247, 255, .95) !important;
  outline-offset: -2px;
  box-shadow: inset 0 0 12px rgba(79, 227, 255, .45), 0 0 8px rgba(63, 214, 255, .25) !important;
  filter: brightness(1.18);
  transition: none !important;
}

/* 上传图片的按钮保留原图，让光晕沿图片实际轮廓走，不画固定方框。 */
#controller-container .virtual-control-button[data-id][style*="background-image"].cloud-fast-pressed,
#controller-container .virtual-control-button[data-id][style*="background-image"].active {
  outline: none !important;
  box-shadow: none !important;
  filter: drop-shadow(0 0 3px rgba(70, 215, 245, .65)) !important;
}