@media only screen and (min-width: 768px) {

    /* 在这里设置pc端的样式 */
    #section1,
    #section2,
    #section3,
    #section4,
    #section5,
    #section6,
    #section7,
    #section8,
    #section9 {
        padding-top: 60px;
        width: 100%;
    }

    .pro-img{
        display: flex;
        justify-content:space-between;
        align-items: center;
        flex-wrap: wrap; 
    }
    .content{
        width: 40%;
    }
}