.@{tooltip-prefix-cls} {
  .effect() {
    animation-duration: 0.3s;
    animation-fill-mode: both;
  }

  &&-zoom-enter,
  &&-zoom-leave {
    display: block;
  }

  &-zoom-enter,
  &-zoom-appear {
    opacity: 0;
    .effect();
    animation-timing-function: cubic-bezier(0.18, 0.89, 0.32, 1.28);
    animation-play-state: paused;
  }

  &-zoom-leave {
    .effect();
    animation-timing-function: cubic-bezier(0.6, -0.3, 0.74, 0.05);
    animation-play-state: paused;
  }

  &-zoom-enter&-zoom-enter-active,
  &-zoom-appear&-zoom-appear-active {
    animation-name: rcToolTipZoomIn;
    animation-play-state: running;
  }

  &-zoom-leave&-zoom-leave-active {
    animation-name: rcToolTipZoomOut;
    animation-play-state: running;
  }

  @keyframes rcToolTipZoomIn {
    0% {
      opacity: 0;
      transform-origin: 50% 50%;
      transform: scale(0, 0);
    }
    100% {
      opacity: 1;
      transform-origin: 50% 50%;
      transform: scale(1, 1);
    }
  }
  @keyframes rcToolTipZoomOut {
    0% {
      opacity: 1;
      transform-origin: 50% 50%;
      transform: scale(1, 1);
    }
    100% {
      opacity: 0;
      transform-origin: 50% 50%;
      transform: scale(0, 0);
    }
  }
}
