/*  中心放大 */
.scale-up-center {
	-webkit-animation: scale-up-center 0.4s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
	        animation: scale-up-center 0.4s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
}
@-webkit-keyframes scale-up-center {
    0% {
      -webkit-transform: scale(0.5);
              transform: scale(0.5);
    }
    100% {
      -webkit-transform: scale(1);
              transform: scale(1);
    }
  }
  @keyframes scale-up-center {
    0% {
      -webkit-transform: scale(0.5);
              transform: scale(0.5);
    }
    100% {
      -webkit-transform: scale(1);
              transform: scale(1);
    }
  }