.content-tit{
    padding: 0.44rem 0.3rem 0.35rem;
}
.content-tit h2{
    font-size: 0.34rem;
    color: #0c51b3;
    font-weight: bold;
}
.content-tit h2 span{
    font-size: 0.28rem;
    font-weight: normal;
}
.content-nav{
    padding: 0 0.3rem;
}
.content-nav li{
    float: left;
    margin-bottom: 0.15rem;
}
.content-nav li a{
    display: block;
    width: 2.18rem;
    border: 0.01rem solid #0961bb;
    color: #0961bb;
    text-align: center;
    padding-top: 0.15rem;
    padding-bottom: 0.15rem;
    font-size: 0.26rem;
    font-weight: bold;
}
.content-nav li:nth-child(3n+2){
    margin: 0 0.15rem;
}
.content-nav li .active{
    background: #0961bb;
    color: #fff;
}
.title-div{
    text-align: center;
    font-size: 0.3rem;
    color: #0961bb;
    margin: 0.2rem auto;
}

.certificate{
    width: 6.9rem;
    margin: 0 auto  0.75rem;
}
.certificate li{
    background: #fafafa;
    margin-bottom: 0.2rem;
    padding-bottom: 0.48rem;
    padding-top: 0.29rem;
}
.certificate li img{
    display: block;
    margin: 0 auto;
    width: 6.3rem;
}
.certificate li .active{
    width: 100%;
    position: fixed;
    top: 50%;
    transform: translate(-0%,-50%);
    z-index: 99;
    left: 0;
}
.certificate li p{
    margin: 0.38rem auto 0;
    width: 6.3rem;
    font-size: 0.3rem;
    padding-bottom: 0.24rem;
    text-align: center;
    border-bottom: 0.03rem solid #e4e4e4;
}
.mask{
    z-index: 98;
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    background: rgba(0,0,0,.6);
    display: none;
}