body {
    width: 100%;
    height: 100%;
    background-image: url('../pic/main.png');
    background-repeat: no-repeat;
    background-size:cover;
}
.pageFooter {
    bottom: 0px;
    position: fixed;
    width: 100%;
    font-size: 15px;
    background-color: aliceblue;
    text-align: center;
    left: 0px;
}
    .pageFooter a {
        text-decoration: none;
        color: #898585;
        font-size:13px;
    }

.imgBox {
    /* display:flex;*/
    width: 100%;
    height: 350px;
    margin: 0,auto;
}

    .imgBox img {
        width: 100%;
        height: 350px;
        margin: 0,auto;
        padding-top: 30px;
    }

.img1 {
    display: block;
}

.img2 {
    display: none;

}

.img3 {
    display: none;
}

.pinp {
    margin-top:40px;
   width:100%;
   height:200px;
}