.videos{
    max-width: 1420px ;
    width: 94%;
    margin: 115px auto;
}

.zxcpro{
    width: 178px ;
    height: 38px ;
    background-color: #ffffff;
    box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
    border-radius: 30px ;
    text-align: center;
    line-height: 38px ;
    margin: 0 8px ;
}

.zxcpro_flex{
    display: flex;
}

.Vser{
    display: flex;
    width: 100% ;
   justify-content: center;
}

.vieos_ul{
    display: flex;
    margin-top: 55px ;
    flex-wrap: wrap;
}

.vieos_ul li{
    width: 33.333% ;
    padding: 0 20px ;
}

.vieos_ul li:not(:nth-child(-n + 3)){
    margin-top: 55px ;
}