/** mixins **/

.pop_video_bg,
.bili-mask {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
}

.pop_video {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 12rem;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  z-index: 999;
}

.pop_video #pop_vv > div {
  max-width: 100%;
  height: auto !important;
}

.pop_video video {
  width: 100%;
  height: auto;
}

.bili-frame {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 12rem;
  height: 6.8rem;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  z-index: 999;
  background: #000;
}

.bili-frame iframe {
  position: absolute;
  width: 100%;
  height: 100%;
}

.close_pv,
.close_bili {
  position: absolute;
  top: -0.5rem;
  right: 0;
  text-indent: -9999em;
  font-size: 0;
  width: 0.5rem;
  height: 0.5rem;
  -webkit-transition: -webkit-transform 0.5s;
  transition: -webkit-transform 0.5s;
  transition: transform 0.5s;
  transition: transform 0.5s, -webkit-transform 0.5s;
  cursor: pointer;
}

.close_pv:before,
.close_bili:before,
.close_pv:after,
.close_bili:after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 0;
  height: 0.5rem;
  border-right: 0.01rem solid #fff;
}

.close_pv:before,
.close_bili:before {
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.close_pv:after,
.close_bili:after {
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}

.close_pv:hover,
.close_bili:hover {
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
}

@media screen and (max-width: 1200px) {
  .pop_video {
    width: 100%;
  }

  .bili-frame {
    width: 100%;
    height: 0;
    padding-bottom: 56.66666667%;
  }
}