.index-advantage{
    box-shadow: initial;
    height: 415px;
    background: #F1F5FA;
}
.index-advantage .common-title {
    padding-top: 50px;
}
.common-nav-box {
    display: flex;
    align-items: center;
}

.nav-box-index {
    display: inline-block;
    /*padding: 10px 8px;*/
    text-align: center;
    font-size: 16px;
    background: #F5F7FC;
    border-radius: 5px;
    color: #565872;
    margin-right: 10px;
    border: 1px solid #F5F7FC;
    transition: .3s;
}

.nav-box-index:hover{
    background: #0085F9;
    border: 1px solid #FFFFFF;

    border-radius: 5px;
    color: #FFFFFF;
}
.common-nav-box .active{
    background: #0085F9;
    border: 1px solid #FFFFFF;

    border-radius: 5px;
    color: #FFFFFF;
}

/*---- 锚点定位 ----*/
#project-list {
    position: relative;
    top: -50px;
}
.our-advantage {
    padding: 47px 0 20px;
    background: #F1F5FA;
}