#solid{width:100%;height:501px;clear:both;position:relative; overflow:hidden}
#solid img{max-width:100%; max-height:100%; min-height:100%; min-width:100%; margin:0px auto; object-fit:cover;}
#solid .solid0,#solid .solid1,#solid .solid2{position:absolute;left:0px;top:0px;width:100%;height:498px;display:none;}
#solid .solid0{/*背景色*/background:#fff;}
#solid .solid1{background:#fff;}
#solid .solid2{background:#fff;}
#solid ul{margin:0px;padding:0px;list-style:none;}
#solid ul li{position:absolute;top:0px;width:100%;height:501px;display:none;cursor:pointer;}
#solid #btt{width:100%;height:55px;top:485px;position:relative;}
#solid #btt span{position:absolute;left:45%;display:block;width:30px;height:8px;margin:0 15px;	text-align:center;background:#3d3d3d;z-index:10;cursor:pointer;filter:alpha(opacity=70); /*IE滤镜，透明度50%*/-moz-opacity:0.7; /*Firefox私有，透明度50%*/opacity:0.7;/*其他，透明度50%*/
}
@media screen and (min-width: 320px) and (max-width: 600px){
#solid{width:100%;height:201px;clear:both;position:relative; overflow:hidden}
#solid img{max-width:100%; max-height:100%; min-height:100%; min-width:100%; margin:0px auto; object-fit:cover;}
#solid .solid0,#solid .solid1,#solid .solid2{height:188px;}
#solid ul li{position:absolute;top:0px;width:100%;height:201px;display:none;cursor:pointer;}
#solid #btt{height:25px;top:185px;}
#solid #btt span{left:30%;height:4px; width:4px}
}
@media screen and (min-width: 600px) and (max-width: 1000px){
#solid{width:100%;height:301px;clear:both;position:relative; overflow:hidden}
#solid img{max-width:100%; max-height:100%; min-height:100%; min-width:100%; margin:0px auto; object-fit:cover;}
#solid .solid0,#solid .solid1,#solid .solid2{height:288px;}
#solid ul li{position:absolute;top:0px;width:100%;height:301px;display:none;cursor:pointer;}
#solid #btt{height:25px;top:285px;}
#solid #btt span{left:40%;height:4px;}
}