@media (min-width: 801px) {
    .page_m {
        display: none;
    }
    .page {
            display: flex;
            justify-content: center;  /* 水平居中 */
        }
    .page li {
        height: auto;
        position: static !important;
        width: 50px;
        padding: 5px;
        border-bottom: 0px;
    }
    .page a, .page span {
        display: inline-block;
        vertical-align: top;
        _display: inline;
        font-size: 20px;
        margin: 0 10px;
    }
    .page ul li{
        float: left;
    }
}

@media (min-width: 168px) and (max-width: 800px) {
    .page {
        display: none;
    }
    .page_m li {
        width: 49%;
        float: left;
        text-align: center;
        border: 1px solid #ccc;
        margin-right: 1%;
        line-height:50px;
        position: static !important;
    }
    .page_m {
        display: block;
    }
}