html {  
    scroll-behavior: smooth;  
}

.ulBar{
    border-bottom: 1px solid #66666650;
    background-color: #FFF;
    position: sticky;
    width: 100%;
    left: 0px;
    top: 0px;
    z-index: 99;
}

.ulCore{
    display: flex;
    align-items: center;
}

.subnav li{
    width: 100px;
}

.subnav li a{
    color: #666;
    font-size: 15px;
    font-weight: 500;
    line-height: 80px;
}


.subnav li a{
    color: #666;
    font-size: 15px;
    font-weight: 500;
    line-height: 80px;
}

.subnav li:hover a{
    color: #d82019 !important;
}


.solveContent{
    background-color: #f8f8f8;
}

.typeArea{
    width: 1350px;
    margin: 0 auto;
}

.item{
    padding: 100px 0 80px 0;
    border-bottom: 1px solid #66666650;
}

.title{
    text-align: center;
    margin: auto;
    width: 757px;
    color: #333333;
    font-size: 34px;
    font-weight: 500;
    text-align: center;
}

.des{
    text-align: center;
    margin: auto;
    width: 757px;
    color: #999;
    font-size: 12px;
    font-weight: 500;
    margin: 20px auto 45px auto;
    text-align: center;
}

.itemContent{
    width: 100%;
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.elem{
    width: 417px;
    height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 5px;
    background-color: #FFF;
    margin: 0 15px 25px;
    border: 1px solid transparent;
    transition: .3s;
}

.elem:hover{
    border: 1px solid #d82019;
}

.elemTitle{
    width: 250px;
    margin-bottom: 15px;
    font-size: 17px;
    color: #333;
    text-align: center;
}

.elemText{
    width: 250px;
    font-size: 12px;
    color: #999;
    text-align: center;
}