#jingdong .datu{
                position: relative;
                width: 350px;
                height: 350px;
                margin-bottom: 10px;
            }
            #jingdong .datu img{
                width: 350px;
                height: 350px;
            }
            #jingdong .xiaotu div{
                float: left;
            }
            #jingdong .xiaotu .leftbut{
                width: 17px;
                height: 54px;
                background: url(../images/jingling.png) no-repeat -68px 0;
                margin-right: 10px;
            }
            #jingdong .xiaotu .rightbut{
                width: 17px;
                height: 54px;
                background: url(../images/jingling.png) no-repeat -17px 0;
               
                margin-left: 10px;
            }
            #jingdong .xiaotu .tu{
                width: 300px;
                height: 56px;
                overflow: hidden;
                position: relative;
            }
            #jingdong .xiaotu .tu ul{
                list-style: none;
                width: 2000px;
                position: absolute;
                left: 0;
                top: 0;
            }
            #jingdong .xiaotu  .tu ul li{
                float: left;
                margin-right: 10px;
                height: 50px;
                width: 50px;
                border: 2px solid white;
            }
            #jingdong .xiaotu  .tu ul li img{
                width: 50px;
                height: 50px;
            }
            #jingdong #fangdajing{
                width: 180px;
                height: 180px;
                background: yellow;
                opacity: 0.6;
                position: absolute;
                top: 0;
                left: 0;
                display: none;
            }