.clearfix:after {       
    content: ".";     /*内容为“.”就是一个英文的句号而已。也可以不写。*/
    display: block;   /*加入的这个元素转换为块级元素。*/
    clear: both;     /*清除左右两边浮动。*/
    visibility: hidden;      /*可见度设为隐藏。注意它和display:none;是有区别的。visibility:hidden;仍然占据空间，只是看不到而已；*/
    line-height: 0;    /*行高为0；*/
    height: 0;     /*高度为0；*/
    font-size:0;    /*字体大小为0；*/
}
.tc{
	text-align:center;
	
	}
.clearfix { *zoom:1;} 
.fl{float:left;}
.fr{float:right;}
.wd{
	width:1170px;
	margin:0 auto;
	}

/*header*/
.header{
	width:100%;	
	}
.header_img{
	height:438px;
	width:100%;	
	}
.header_img img{
	width:100%;
	height:auto;
    overflow:hidden;
	}
.puzzled{
	padding:20px 0 65px 0;
	
	
	}
.con{width:1160px;margin:0 auto;}
.con h1{ text-align:center;width:364px;font-weight:600;line-height:57px;color:#FFFFFF;font-size:57px;text-shadow: 0 0 10px #000;padding-top:104px;padding-left:35px;}
.puzzled_top{
	text-align:center;
	
	
	}
.puzzled_top span{
	font-size:36px;
	color:#030303;
	line-height:36px;
	padding:15px 0;
	border-bottom:1px solid #000000;
	font-weight:bold;
	}
.thinker{
	height:344px;
	width:531px;
	
	
	}
.puzzled_way {
	margin-top:70px;
	margin-left:175px;
	}
.puzzled_way p{
	color:#cc0202;
	font-size:18px;
	text-align:left;
	line-height:30px;
	
	
	}
.solve{
	padding-top:20px;
	
	}
.solve_bg{
	background:#f3f3f3;
	width:100%;
	
	}

.solve_way{
	font-size:18px;
	color:#333;
	line-height:30px;
	margin-top:60px;
	}

.solve_image{
	margin-left:200px;
	}
.station_img{
	margin-top:55px;
	
	}
.station_img img{
	display:block;
	margin:0 auto;
	
	}
.station_img li{
	display:block;
	color:#676767;
	float:left;
	padding:15px 97px;
	font-size:14px;
	
	
	}
.station_li{
	margin-left:124px;
	
	}
.station_one{
	text-align:center;
	font-size:36px;
	color:#020202;
	padding:15px 0;
	
	}
.station_descration{
	color:#424242;
	font-size:18px;
	line-height:36px;
	text-align:center;
	
	
	}
.quality{
	background:url(../images/background.jpg) no-repeat top center ;
	height:680px;
	width:100%;
	margin-top:60px;
	}
.quality ul {
    width:750px;
    margin:0 auto;
	padding-top:300px;
	}
.quality ul p{
	text-align:center;
	color:#c49e69;
	font-size:18px;
	
	
	}
.zhengming{
	margin-top:65px;
	margin-left:-84px;
	
	}
.zhengming p{
	margin-top:38px;
	}
.zero{
	background:url(../images/sd.jpg) no-repeat top center;
	height:503px;
	width:100%;
	}
.zero img{
	float:left;
	padding-left:700px;
	}
.zero ul li{
	color:#005fa4;
	font-size:24px;
	line-height:89px;
	
	}