.n-card.r-draggable-card {
  transform-origin: 0 0;
  position: absolute;
  width: var(--r-draggable-card-width);
  z-index: var(--r-draggable-card-z-index);
}

#r-draggable-card-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
}

// draggable-card 的 Transition 样式
.draggable-card-enter-active,
.draggable-card-leave-active {
  transition: opacity 0.3s var(--r-bezier);
}

.draggable-card-enter-from,
.draggable-card-leave-to {
  opacity: 0;
}