#main{
    background: url(../image/background_3.png) center center no-repeat / 100% 100%;
    padding-bottom: 50px;
    overflow: hidden;
}
#main .main-ul{
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    
    
}
#main .main-ul li{
    width: 230px;
    height: 70px;
    background: #16bfe7;
    font-size: 26px;
    color: #eff9fd;
    text-align: center;
    border-radius: 5px;
    line-height: 70px;
}
#main .main-ul li a{
    width: 230px;
    height: 70px;
    background: #16bfe7;
    font-size: 26px;
    color: #eff9fd;
    text-align: center;
    line-height: 70px;
}

 .datalist{
    display: flex;
    justify-content: space-between;
}
.datalist .datalist-li h2{
    width: 230px;
    height: 62px;
    
    font-size: 22px;
    color: #258ffc;
    text-align: center;
    line-height: 62px;
    margin-top: 11px;
    border-bottom: 2px solid #448cff;
}
 .datalist .datalist-li ul li{
    
    line-height: 48px;
    text-align: center;
    
}
 .datalist .datalist-li ul li a{
    color: #374863;
    font-size: 16px;
    text-decoration: none;
    overflow: hidden;
}
.datalist-li{
	width:25%;
}