.hide {
  display: none;
}

.custom-video {
  background: url(../../assets/support/video-bg.png) no-repeat;
  background-size: 100% auto;
  position: relative;
  width: 100%;
  height: 100%;
}
.custom-video video {
  width: 100%;
  height: 100%;
}
.custom-video .mask {
  position: absolute;
  z-index: 99;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: 80px 80px;
  background-position: center center;
}
.custom-video .mask .title-box {
  width: 80%;
}
.custom-video .mask .title-box .title {
  width: 100%;
  text-align: center;
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 30px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
.custom-video .mask .title-box .sub-title {
  font-size: 10px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 14px;
}
.custom-video .mask.pause-bg {
  background-image: url(../../assets/common/pause.png);
  cursor: pointer;
  background-position: left bottom;
  background-size: 50px 50px;
}
.custom-video .mask.play-bg {
  background-image: url(../../assets/common/video-play.png);
  cursor: pointer;
  background-position: center center;
  background-size: 50px 50px;
}
.custom-video .mask:hover {
  background-color: rgba(0, 0, 0, 0.2);
  background-image: url(../../assets/common/video-play.png);
  background-position: center center;
  background-size: 50px 50px;
  cursor: pointer;
}
.custom-video .mask:hover .title-box {
  display: none;
}
@media screen and (max-width: 750px) {
  .custom-video .mask.pause-bg {
    background-size: vw(60) vw(60) !important;
  }
  .custom-video .mask.play-bg {
    background-size: vw(60) vw(60) !important;
  }
  .custom-video .mask:hover {
    background-size: vw(60) vw(60) !important;
  }
}