/*#Section1 ul li{width:100%;list-style: none;text-align: center; float:left;}
#Section1 ul li:not(:first-child){display: none;}*/

#ul_img {
    /*width: 3166px;*/
    /*width:4749px;*/
    width: 6144px;
    height: 500px;
    position: absolute;
    /*z-index: -1;*/
}

    #ul_img li {
        width: auto;
        height: 500px;
        float: left;
        position: relative;
    }

#Section1 {
    /*width: 1583px;*/
    width: 2048px;
    height: 500px;
    overflow: hidden;
    position: relative;
    left: calc((100% - 2048px) / 2);
    /*left: calc((100% - 1583px) / 2);*/
}

.xiaoyuandian {
    list-style: none;
    position: absolute;
    top: 574px;
    /*top: 578px;*/
    right: 48%;
    /*width: 3rem;*/
    height: 1rem;
}

    .xiaoyuandian li {
        width: 15px;
        height: 15px;
        background: #ffffff;
        float: left;
        margin: 0 8px;
        border-radius: 10px;
        font-size: 10px;
        text-align: center;
        vertical-align: middle;
        line-height: 15px;
        color: #000;
    }

        .xiaoyuandian li.cur {
            background: #2343fc;
            color: #fff;
        }
            .xiaoyuandian li:hover {
                cursor: pointer;
            }