@media(max-width:768px){
    .center{
        width: 100%;
    }
    .content {
        width: 90% !important;
        margin: 8% auto 2%;
        padding-top: 0;
    }
    .point{
        width: 100%;
        font-size: 10px;
        margin: 0 auto 20px;
    }
    .part{
        width: 100%;
        height: 24px;
        font-size: 10px;
        line-height: 24px;
        margin: 0 auto 20px;
    }
    .contact{
        width: 93%;
        font-size: 14px;
    }
    .contact p{
        height: 22px;
        line-height: 20px;
    }
}