.main {
    width: 1248px;
    margin: 0 auto;
    color:#333;
}
.header{
    margin: 16px 0;
    display: block;
}
.title{
    color: #262626;
    font-size: 30px;
    text-align: center;
    font-weight: 500;
    line-height: 37px;
    padding-bottom: 11px;
}
.title-sub{
    font-size: 18px;
    padding: 10px 0;
}
.my-20{
    margin: 20px 0 ;
}
ol li{
    margin: 20px 0 ;
}
.footer{
    display: flex;
    padding-bottom:20px;
    align-items: center;
    justify-content: space-between;
}

.footer-logo{
    width: 194px;
}
.footer-items{
    display: flex;
    list-style: none;
    justify-content: space-between;
    line-height: 15px;
}
.footer-items a{
 text-decoration: none;
 padding:0 15px;
    border-left:1px solid #17AEFF;
}
.footer-items a:first-child {
    border-left: none;
}
.nav-item{
    list-style: none;
    color:#17AEFF;
    
   
}