.research-bg{
    width: 100%;
    height: 260px;
    background: #6ea8f7;
    text-align: center;
}
.research-title{
    padding-top: 120px;
}
.research-title>.big-title{
    font-size: 36px;
    color: #fff;
    letter-spacing: 12px;
}
.join-content{
    overflow: hidden;
    margin-bottom: 140px;
    margin-top: 140px;
}
.join-width{
    overflow: hidden;
    width: 730px;
    margin: 0 auto;
}
.join-left>div{
    width: 170px;
    cursor: pointer;
    margin-bottom: 24px;
    height: 34px;
    line-height: 34px;
    background: #83b8ff;
    color: #fff;
    text-align: center;
}
.join-left{
    float: left;
}
.join-right{
    width: 540px;
    float: left;
    border-left: 1px solid #9DC7FF;
    margin-left: 20px;
}
.join-posi{
    position: relative;
    margin-bottom: 60px;
}
.join-title{
    font-size: 24px;
    border-left: 2px solid #0F73FD;
    margin-left: -1px;
    padding-left: 60px;
    letter-spacing: 1px;
}
.join-sub{
    display: none;
    margin-left: 60px;
    /*margin-top: 6px;*/
    /*margin-top: -60px!important;*/
    position: relative;
}
.join-sub p{
    margin-bottom: 10px;
    font-size: 16px;
}
.join-sub>div{
    margin-bottom: 2px;
}
.join-posi:last-child{
    margin-bottom: 0px;
}
.join-sub>p>span{
    position: relative;
}
.join-sub>p{
    position: relative;
}
.join-sub strong{
    margin-top: 60px;
    display: inline-block;
    left: -60px;
    margin-bottom: 6px;
    position: relative;
    font-size: 24px;
    /*border-left: 2px solid #0F73FD;*/
    margin-left: -1px;
    padding-left: 60px;
    letter-spacing: 1px;
}
.tab_div{
    position: relative;
}
.join-active{
    background: #0F73FD!important;
    border-right: 2px solid #0F73FD;
}

.join-active:after{
    content: '';
    position: absolute;
    left: 190px;
    height: 33px;
    width: 2px;
    background: #0F73FD;
}

.footer-none{
    display: none;
}

.mar-zhaopin{
    margin-left: 60px;
    margin-top: 70px;
    font-size: 16px;
    margin-bottom: 40px;
}
.mar-zhaopin>div{
    margin-top: 8px;
}