.wapper{
    width:6.7rem;
}
.courseBanner2{
    background:url(../image/cer_banner.png) no-repeat;
    background-size:cover;
    width:100%;
    height:2.6rem;
}
.courseBanner{
    background:url(../image/joun_swim.jpg) no-repeat;
    background-size:cover;
    width:100%;
    height:2.6rem;
}
.cerBox{
    position: absolute;
    left:0.4rem;
    bottom: 0.26rem;
    z-index:9;
    width:100%;
}
.cerBox h1{
    font-size:0.32rem;
    color:rgba(255,255,255,1);
    line-height:0.44rem;
}
.cerBox p{
    font-size:0.2rem;
    color:rgba(255,255,255,1);
    line-height:0.28rem;
    margin-top:0.05rem;
}
.positions{
    position: relative;
    height:2.6rem;
}
.cerList{
    width:2rem;
    background:rgba(255,255,255,1);
    box-shadow:0px 3px 11px 1px rgba(0,0,0,0.1);
    border-radius:3px;
    float:left;
    margin-right:0.34rem;
    margin-bottom:0.4rem;
}
.cerList a{
    display:block;
}
.cerContent{
    margin-right:-0.34rem;
}
.cerTop{
    height:2.25rem;
}
.cerTop img{
    width:100%;
    height:100%;
    object-fit: cover;
}
.cerBottom{
    text-align: center
}
.cerBottom h2{
    font-size:16px;
    font-weight:500;
    color:rgba(20,20,20,1);
    line-height:22px;
    margin-top:20px;
}
.cerBottom p{
    font-size:8px;
    color:rgba(20,20,20,1);
    line-height:11px;
    margin-bottom:22px;
    font-family:"helvetica";
}
.grayContent{
    padding:0.3rem 0 0 0;
    background:rgba(250,250,250,1);
}
.detailsGray{
    padding:0.3rem 0 0 0;
}
.lists{
    /* height:2.6rem; */
    background:rgba(255,255,255,1);
    box-shadow:0px 4px 15px 1px rgba(0,0,0,0.08);
    padding:0.32rem 0.26rem 0.3rem 0.26rem;
    margin-bottom: 0.44rem;
}
.detailsBox h2{
    font-size:0.3rem;
    color:rgba(37,37,37,1);
    line-height:0.4rem;
    text-align: center;
    font-weight:normal;
    margin:0.4rem 0 0.34rem 0;
}
.lists-r h3{
    font-size:0.18rem;
    font-weight:400;
    color:rgba(51,51,51,1);
    line-height:0.2rem;
    margin-bottom:0.05rem;
}
.courst-infor{
    font-size: 0.14rem;
    font-weight:400;
    color:rgba(102,102,102,1);
    line-height:0.2rem;
}
.purpose{
    font-size: 0.14rem;
    font-weight:400;
    color:#C32230;
    line-height:0.18rem;
}
.lists-r{
    width:3.6rem;
    float:right;
}
.lists-l{
    width: 2.4rem;
    height: 1.9rem;
    float: left;
}
.lists-l img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.show-list{
    margin-right: -26px;
    margin-top:20px;
    margin-bottom:0.6rem;
}
.show-list>div{
    width:2.12rem;
    height:1.46rem;
    margin-right:0.18rem;
    float: left;
}
.show-list>div img{
    width: 100%;
    height: 100%;
}
.cerList img{
    width:100%;
}
.courseDetail{
    background:url(../image/zhengshu_banner.jpg) no-repeat;
    background-size:cover;
}

.header .ul li .cerCourse{
    color: #b16c2a;
  }