.proPosi{
  position: absolute;
  bottom: 80px;
  left:50%;
  transform: translateX(-50%);
}
.proTab {
 
  display: grid;
  grid-template-columns:1fr 1fr 1fr 1fr;
  grid-gap: 2rem;
  bottom: 80px;

}
.proTab p{
  text-align: center;
  color: #000;
  background: #FFF;
  cursor: pointer;

}
.proTab .hasProP {
  background: #182E56;
  color: #fff;
}
/*二级Tab 内容*/
.proCon{
  width: 100%;
  background: #FFFFFF;
  box-shadow: 0px 2px 6px 0px rgba(0,0,0,0.2);
}
.proCon .proConItem{
  position: relative;
  display: none;  
}
.proCon .proConItem span{
  display: inline-block;
  position: relative;
  cursor: pointer;
}
.itemTextActive{
  color: #182E56 !important;
}
.itemTextActive::after{
  position: absolute;
  content: '';
  width: 100%;
  height: 3px;
  bottom: -1px;
  left:0;
  background: #182E56 !important;
}
.proMainItem{
  display: none;
}
.proInfoDesc{
  margin-left: 10px;
}
.proInfoDesc li {
  list-style: disc;
}
.sitePicBox {
 
}


.purificationText{
  display: grid;
  position: relative;
  height: initial;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  border-bottom: 1px solid  rgba(203,203,203,1);
}
.purificationText .purificationText_left{
  text-align: center;
  border-top:1px solid  rgba(203,203,203,1);
  border-right:1px solid  rgba(203,203,203,1);
  font-family: HelloFont-WenYiHei;
  font-size: 48px;
  color: rgba(0,0,0,0.85);
  letter-spacing: 0;
  text-align: center;
}
.purificationText .purificationText_left:nth-child(2n){
  border-right: none;
}
.purificationText .purificationText_left .purificationText_num{
  position: relative;
  display: inline-block;
    background:  #ECECEC;;
    width: 25%;
    padding-bottom: 25%;
}
.purificationText .purificationText_left .purificationText_num span{
  position: absolute;
  width: 100%;
  height: 100%;
  top:0;
  left:0;
}
.efficacy{
  background-image: linear-gradient(180deg, #5B9BE9 0%, #FFFFFF 100%);
  padding-bottom: 30%;
}
.efficacy_title{
  background: #000;
  text-align: center;
  color: #fff;
  width: 80%;
  margin: 0 auto;
}
.platform{
  position: relative;
}
.platform p{
  position: absolute;
  bottom: 0px;
  background: #000;
  color: #fff;
}

.advantages{
  position: relative;
}
.advantages .advantages_btn{
  position: absolute;
  background: #000;
  color: #fff;
  text-align: center;
  bottom: 30px;
}
.bg-orange{
  background-image: linear-gradient(180deg, #E9A35B 0%, #F5F5F6 100%) !important;
}
.bg-red1{
  background-image: linear-gradient(180deg, #EC484E 0%, #F5F5F6 100%) !important;
}
.efficacyText{
  width: 100%;
  display: grid;
  position: relative;
  height: initial;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  border-bottom: 1px solid  rgba(203,203,203,1);
  border-left: 1px solid  rgba(203,203,203,1);
}
.efficacyText .efficacyText_left{
  text-align: center;
  border-top:1px solid  rgba(203,203,203,1);
  border-right:1px solid  rgba(203,203,203,1);
  font-family: HelloFont-WenYiHei;
  font-size: 48px;
  color: rgba(0,0,0,0.85);
  letter-spacing: 0;
  text-align: center;
}
.principle{
  display: inline-block;
  background: #000;
  color: #fff;
}
.electricP{
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  color: #fff;
  text-align: center;
}
.videoOp{
  position: absolute;
  width: 100%;
  height: 100%;
  left:0;
  top:0;
  bottom: 0;
  right: 0;
  z-index: 2;
  background: rgba(0,0,0,0.3);

}