.banner {
    background: url(../images/industryCase.png) no-repeat center center/cover;
    color: #fff;
}

.banner-inner {
    padding-top: 230px;
}
.banner-title{
    font-size: 72px;
    margin-bottom: 60px;
    color: #fff;
}
.box-list{
    padding: 100px 0;
}
.title--2{
  font-size: 30px;
}
.box-dec{
    text-align: center;
    font-size: 18px;
    color: #333333;
    margin: 40px 0;
}
.box-list--2{
    background-color: #f5f5f6;
}
.box-list--2 .box-title{
    padding-bottom: 80px;
}
.item{
    width: 20%;
    float: left;
    display: block;
    position: relative;
}
.item.active .mask--4{
   display: block;
}
.item-img img{
   display: block;
}
.item-content{
    position: absolute;
    top: 50%;
    left: 50%;
    color: #fff;
    transform: translate(-50%,-50%);
    display: none;
}
.item.active .item-content{
    display: block;
}
.item-content .title{
    font-size: 20px;
    color: #fff;
}
.item-content .text{
    font-size: 14px;
    border: 1px solid #fff;
    width: 100px;
    height: 30px;
    margin: 16px auto 0;
    line-height: 30px;
    text-align: center;
}
.box-cooperation{
}
.box-cooperation .title{
  padding: 100px 0 80px;
}
.cooperation{
    height: 580px;
    padding: 60px 0;
    background: url(../images/bg.png) no-repeat center center/cover;
}