.index_coveBox{
  width:100%;
  position:relative;
  z-index:1;
}
.index_coveBox::before{
  content:"";
  width:50%;
  height:100%;
  background-color:rgba(0,0,0,0.5);
  position:absolute;
  left:0;
  top:0;
  z-index:-1;
}
.cove_list ul li{
  width:100%;
  position:relative;
  z-index:1;
}
.cove_list ul li::before{
  content:"";
  width:0;
  height:100%;
  position:absolute;
  top:0;
  left:0;
  z-index:-1;
  background-color:#29166f;
  transition:all 0.5s ease-in-out 0s;
}
.cove_list ul li:hover::before{
  width:50%;
}
.cove_list .box{
  display:flex;
  max-width:1400px;
  position:relative;
  margin:0 auto;
      padding-top: 15px;
    padding-bottom: 15px;
}
.cove_list .tmain{
  width:50%;
  display:flex;
  align-items:center;
  position:relative;
}
.cove_list .hicon{
  width:100px;
  height:100px;
  position:relative;
  z-index:1;
  flex-shrink:0;
}
.cove_list .hicon:before{
  content:"";
  width:100%;
  height:100%;
  position:absolute;
  top:0;
  left:0;
  z-index:-1;
  opacity:0;
  background-color:#1b0a5c;
  transition:all 0.5s linear 0s;
}
.cove_list li:hover .hicon::before{
  opacity:1;
  transform:rotate(180deg);
}
.cove_list .pic{
  max-width:70px;
  max-height:70px;
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%, -50%);
}
.cove_list .newTitle{
  position:relative;
  padding:0 30px;
  overflow:hidden;
}
.cove_list .h2{
  font-size:22px;
  color:#fff;
}
.cove_list span{color:#fff; font-size:14px;}
.cove_list .more{
  width:100px;
  height:100px;
  position:absolute;
  top:0;
  right:10%;
  background-color:#d90503e6;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transition:all 0.5s ease-in-out 0s;
}
.cove_list li:hover .more{
  right:-100px;
  opacity:1;
  visibility:visible;
}
.cove_list ul li.on .more{
  right:-100px;
  opacity:1;
  visibility:visible;
}
.cove_list i{
  height:auto;
}
.cove_list i:before{
  content:'+';
  font-size: 60px;
    color: #fff;
    font-weight: bold;
}
.cove_Bg{
  width:100%;
  height:100%;
  position:absolute;
  top:0;
  z-index:-2;
}
.cove_Bg ul{
  width:100%;
  height:100%;
}
.cove_Bg ul li{
  width:100%;
  height:100%;
  display:none;
  opacity:0;
  transition:all 0.5s ease-in-out 0s;
}
.cove_Bg ul li.on2{
  display:block;
  opacity:1;
}
.cove_Bg .box{
  width:100%;
  height:100%;
  display:block;
  background-size:cover;
 /* background-attachment:fixed;*/
  background-position:center;
  background-repeat:no-repeat;
}
.cove_Bg .box img{
  display:none;
}
@media only screen and (max-width: 768px){
  
.cove_Bg .box{
background-attachment: initial;
  background-size:  auto 100%;
}
.cove_list .tmain{
  width:85%;
}
.index_coveBox::before{
  width: 85%;
  }
.cove_list .newTitle{
  padding:0 15px;
}
}
@media only screen and (max-width: 640px){
  
.cove_Bg .box{
background-attachment: initial;
  background-size:  auto 100%;
}
.cove_list .hicon{
  width:50px;
  height:50px;
}
.cove_list .pic{
  max-width:28px;
  max-height:28px;
}
.cove_list .h2{
  font-size:14px;
}
.cove_list .more{
  width:50px;
  height:50px;
}
.cove_list li:hover .more{
  right:-50px;
}
.cove_list ul li.on .more{
  right:-50px;
}
.cove_list i:before{
  font-size:30px;
}
}