.pandora-modal {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 13;
  > .zzc {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 12;
    -webkit-animation-name: modalfadeIn;
    -webkit-animation-duration: 0.3s;
  }
  > .content {
    z-index: 13;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
}

.fade-in {
  animation: modalfadeIn ease .3s forwards;
}

.fade-out {
  animation: modalfadeOut ease .3s forwards;
}

@-webkit-keyframes modalfadeIn {
  from {
    opacity: 0; /*初始状态 透明度为0*/
  }
  to {
    opacity: 1; /*结尾状态 透明度为1*/
  }
}

@-webkit-keyframes modalfadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}