body{
	margin:0px;
	padding:0px;	
}

#solid{
	width:100%;
	height:750px;
	clear:both;
	position:relative;
}
#solid .solid0,#solid .solid1,#solid .solid2{
	position:absolute;
	left:0px;
	top:0px;
	width:100%;
	height:750px;
	display:none;
}
#solid .solid0{
	background:#78c4db;
}
#solid .solid1{
	background:#c5c9db;
}
#solid .solid2{
	background:#e7dfd1;
}
#solid ul{
	margin:0px;
	padding:0px;
	list-style:none;	
}
#solid ul li{
	position:absolute;
	left:50%;
	top:0px;
	width:1832px;
	height:750px;
	margin-left:-916px;
	display:none;
	cursor:pointer;
}
#solid #btt{
	width:200px;
	height:55px;
	top:505px;
	left:140px;
	position:relative;
}
#solid #btt span{
	position:absolute;
	top:15px;
	left:0;
	display:block;
	width:30px;
	height:4px;
	margin:0 15px;	
	text-align:center;
	background:#3d3d3d;
	z-index:1000;
	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 (max-width: 1680px) {
    #solid{
        height:616px;
    }
    #solid .solid0,#solid .solid1,#solid .solid2{
        height:616px;
    }
    #solid ul li{
        width:1500px;
        height:616px;
        margin-left:-750px;
    }
    #solid ul li img {
        width:1500px;
        height:616px;
    }
    #solid #btt{
        top:385px;
        left:115px;
    }
}

@media screen and (max-width: 1400px) {
    #solid{
        height:534px;
    }
    #solid .solid0,#solid .solid1,#solid .solid2{
        height:534px;
    }
    #solid ul li{
        width:1300px;
        height:534px;
        margin-left:-650px;
    }
    #solid ul li img {
        width:1300px;
        height:534px;
    }
    #solid #btt{
        top:335px;
        left:100px;
    }
}