.photo{
		width: 100%;
		height: 260px;
	}
	.photo img{
		width: 100%;
		height: 260px;
	}
	.big{
		width: 100%;
		/* height: 670px; */
		margin-top: 32px;
	}
	.big2{
		width:1200px;
		height: 800px;
/* 		background-color: gold; */
		margin: 0 auto;
	}
	.big3{
		width: 100%;
		height: 40px;
/* 		background-color: red; */
		margin: 0 auto;
	}
	.big4{
		width: 100%;
		/* height: 600px; */
		margin: 0 auto;
		margin-top: 27px;
	}

	




	.big3 h1{
		position: relative;
		display: inline-block;

	}
	.big3 p{
		position: absolute;
		display: inline-block;
		margin : 14px 0 0 15px;
	}

	

	.index_bus_ul li{width:25%;float:left;}
.index_bus_ul li:first-child .li_con_a {
    
	border: 1px solid #ADD8E6;
	background:rgba(135,206,255,0.2);
}

.index_bus_ul li:nth-of-type(2)  .li_con_a{
    border: 1px solid #FFDAB9;
	background:rgb(255,103,7,0.3);
}
.index_bus_ul li:nth-of-type(3)  .li_con_a{
    border: 1px solid #AFEEEE;
	background:rgba(64,224,208,0.2);
}
.index_bus_ul li:last-child .li_con_a {
    margin-right: 0;
	background:rgba(221,160,221,0.2);
    border: 1px solid #DDA0DD;
}


	.index_bus_ul li .li_con_b{margin:15px;border: 1px solid #FFDAB9;}
	.index_bus_ul li .li_con_a{margin:15px;border: 1px solid #ADD8E6;}
	.index_bus_ul li .li_con_c{margin:15px;border: 1px solid #AFEEEE;}
	.index_bus_ul li .li_con_d{margin:15px;border: 1px solid #DDA0DD;}
	.index_bus_ul li .img{overflow:hidden;position:relative;height:200px;}
	.index_bus_ul li .img img{display:block;width:100%;height:160px;}
	.index_bus_ul li .li_a{height:40px;line-height:40px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;position:absolute;bottom:0;left:0px;
	    width:100%;background:rgba(135,206,255,0.2);text-align:center;color:#000;font-size:16px;transition:all .2s;}
	.index_bus_ul li .li_b{height:40px;line-height:40px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;position:absolute;bottom:0;left:0px;
		    width:100%;background:rgba(244,164,96,0.2);text-align:center;color:#000;font-size:16px;transition:all .2s;}
			.index_bus_ul li .li_c{height:40px;line-height:40px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;position:absolute;bottom:0;left:0px;
			    width:100%;background:rgba(64,224,208,0.2);text-align:center;color:#000;font-size:16px;transition:all .2s;}
			.index_bus_ul li .li_d{height:40px;line-height:40px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;position:absolute;bottom:0;left:0px;
				    width:100%;background:rgba(221,160,221,0.2);text-align:center;color:#000;font-size:16px;transition:all .2s;}