body {
    background: #fff;
    overflow-x: auto;
}

.fixed {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}

/*********************************pc *********************************/
.page {
    padding: 60px 0 00px 0;
}

.pictureUl img {
    float: left;
    display: block;
    width: 1920px;
}

@media screen and (max-width:1000px) {
    body {
        padding-bottom: 0.8rem;
        background: #f4f5f9;
    }

    .m1200 {
        width: 90%;
        display: block;
    }

    .m100 {
        width: 100%;
    }

    .page {
        padding: 0.66rem 0 0.7rem 0;
    }

    .pictureUl img {
        float: left;
        display: block;
        width: 7.5rem;
    }

}