.active_bgbox618_bottom4 {
  transition: all 0.3s;
}
.active_bgbox618_bottom4 .active_box618_bottom4 {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1001;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  display: -webkit-flex;
  align-items: center;
  animation-name: opty;
  animation-duration: 2s;
  animation-iteration-count: 1;
}
.active_bgbox618_bottom4 .active_box618_bottom4 .active_imgbox_bottom4 {
  width: 50%;
  height: 65%;
  margin-top: 90px;
  position: relative;
  background: url(/static/image/active_LargeImage.png) no-repeat;
  background-size: contain;
  animation-duration: 2s;
  animation-iteration-count: 1;
}
.active_bgbox618_bottom4 .active_box618_bottom4 .active_imgbox_bottom4 img {
  width: 100%;
  height: 100%;
}
.active_bgbox618_bottom4 .active_box618_bottom4 .active_closeico_bottom4 {
  display: block;
  width: 30px;
  height: 30px;
  position: absolute ;
  top: -60px;
  right: 0;
  background: url(/static/image/close.png) no-repeat;
  background-size: 100% 100%;
  cursor: pointer;
}
.active_thumbnailbox_bottom4 {
  display: none;
  position: fixed;
  z-index: 1000;
  bottom: 11%;
  right: 20px;
  width: 146px;
  height: 175px;
}
.active_thumbnailbox_bottom4 .active_thumbnail_bottom4 {
  cursor: pointer;
  width: 100%;
  height: 100%;
  background: url(/static/image/active_thumbnail.png) no-repeat;
  background-size: 100% 100%;
}
.active_thumbnailbox_bottom4 .active_thumbnac_bottom4 {
  width: 25px;
  height: 25px;
  background: url(/static/image/grcolse.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  bottom: -35px;
  left: 67px;
  cursor: pointer;
}
/* 动画代码 */
@keyframes example {
  0% {
    transform: scale(1);
    opacity: 1;
    left: 0px;
    top: 0;
  }
  100% {
    transform: scale(0.5);
    opacity: 0.2;
    left: 600px;
    top: 200px;
  }
}
@keyframes opty {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}