.banner{height:auto; position:relative;}
/* main_image */
.main_visual{height:285px;border-top:1px solid #d7d7d7;overflow:hidden;position:relative;}
.main_image{height:285px;overflow:hidden;position:relative;}
.main_image ul{width:100%;height:285px;overflow:hidden;position:absolute;top:0;left:0}
.main_image li{float:left;width:100%;height:285px;}
.main_image li span{display:block;width:100%;height:285px}
.main_image li span h2{ position:relative; top:87%;font-family:microsoft YaHei!important; font-size:15px; color:#fff; padding:0px 10px; background:#000; height:40px; line-height:40px; filter:alpha(opacity=60);  
      -moz-opacity:0.6;  
      -khtml-opacity: 0.6;  
      opacity: 0.6;  }/*灰色背景条*/
.main_image li a{display:block;width:100%;height:285px}
div.flicking_con{position:absolute;bottom:10px; right:3%;z-index:999;height:20px;margin:0 0 0 -50px;}
div.flicking_con a{float:left;width:21px;height:21px;margin:0;padding:0;background:url('btn_main_img.png') 0 0 no-repeat;display:block;text-indent:-1000px}
div.flicking_con a.on{background-position:0 -21px}
#btn_prev,#btn_next{z-index:11111;position:absolute;display:block;width:73px!important;height:74px!important;top:50%;margin-top:-37px;display:none;}
#btn_prev{background:url(hover_left.png) no-repeat left top;left:100px;}
#btn_next{background:url(hover_right.png) no-repeat right top;right:100px;}

@media screen and (min-width: 800px) and (max-width:1199px){
.banner{height:auto; position:relative;}
/* main_image */
.main_visual{height:285px;border-top:1px solid #d7d7d7;overflow:hidden;position:relative;}
.main_image{height:285px;overflow:hidden;position:relative;}
.main_image ul{width:100%;height:285px;overflow:hidden;position:absolute;top:0;left:0}
.main_image li{float:left;width:100%;height:285px;}
.main_image li span{display:block;width:100%;height:285px}
.main_image li span h2{ position:relative; top:87%;font-family:microsoft YaHei!important; font-size:15px; color:#fff; padding:0px 10px; background:#000; height:40px; line-height:40px; filter:alpha(opacity=60);  
      -moz-opacity:0.6;  
      -khtml-opacity: 0.6;  
      opacity: 0.6;  }/*灰色背景条*/
.main_image li a{display:block;width:100%;height:285px}
div.flicking_con{position:absolute;bottom:10px; right:3%;z-index:999;height:20px;margin:0 0 0 -50px;}
div.flicking_con a{float:left;width:21px;height:21px;margin:0;padding:0;background:url('btn_main_img.png') 0 0 no-repeat;display:block;text-indent:-1000px}
div.flicking_con a.on{background-position:0 -21px}
#btn_prev,#btn_next{z-index:11111;position:absolute;display:block;width:73px!important;height:74px!important;top:50%;margin-top:-37px;display:none;}
#btn_prev{background:url(hover_left.png) no-repeat left top;left:100px;}
#btn_next{background:url(hover_right.png) no-repeat right top;right:100px;}
}
@media screen and (min-width: 640px) and (max-width:799px){
		.banner{height:auto; position:relative;}
/* main_image */
.main_visual{height:228px;border-top:1px solid #d7d7d7;overflow:hidden;position:relative;}
.main_image{height:228px;overflow:hidden;position:relative;}
.main_image ul{width:100%;height:228px;overflow:hidden;position:absolute;top:0;left:0}
.main_image li{float:left;width:100%;height:228px;}
.main_image li span{display:block;width:100%;height:228px}
.main_image li span h2{ position:relative; top:87%;font-family:microsoft YaHei!important; font-size:15px; color:#fff; padding:0px 10px; background:#000; height:30px; line-height:30px; filter:alpha(opacity=60);  
      -moz-opacity:0.6;  
      -khtml-opacity: 0.6;  
      opacity: 0.6;  }/*灰色背景条*/
.main_image li a{display:block;width:100%;height:228px}
div.flicking_con{position:absolute;bottom:5px; right:3%;z-index:999;height:20px;margin:0 0 0 -50px;}
div.flicking_con a{float:left;width:21px;height:21px;margin:0;padding:0;background:url('btn_main_img.png') 0 0 no-repeat;display:block;text-indent:-1000px}
div.flicking_con a.on{background-position:0 -21px}
#btn_prev,#btn_next{z-index:11111;position:absolute;display:block;width:73px!important;height:74px!important;top:50%;margin-top:-37px;display:none;}
#btn_prev{background:url(hover_left.png) no-repeat left top;left:100px;}
#btn_next{background:url(hover_right.png) no-repeat right top;right:100px;}
}
@media screen and (max-width: 639px){
			.banner{height:auto; position:relative;}
/* main_image */
.main_visual{height:228px;border-top:1px solid #d7d7d7;overflow:hidden;position:relative;}
.main_image{height:228px;overflow:hidden;position:relative;}
.main_image ul{width:100%;height:228px;overflow:hidden;position:absolute;top:0;left:0}
.main_image li{float:left;width:100%;height:228px;}
.main_image li span{display:block;width:100%;height:228px}
.main_image li span h2{ position:relative; top:87%;font-family:microsoft YaHei!important; font-size:15px; color:#fff; padding:0px 10px; background:#000; height:30px; line-height:30px; filter:alpha(opacity=60);  
      -moz-opacity:0.6;  
      -khtml-opacity: 0.6;  
      opacity: 0.6;  }/*灰色背景条*/
.main_image li a{display:block;width:100%;height:228px}
div.flicking_con{position:absolute;bottom:5px; right:3%;z-index:999;height:20px;margin:0 0 0 -50px;}
div.flicking_con a{float:left;width:21px;height:21px;margin:0;padding:0;background:url('btn_main_img.png') 0 0 no-repeat;display:block;text-indent:-1000px}
div.flicking_con a.on{background-position:0 -21px}
#btn_prev,#btn_next{z-index:11111;position:absolute;display:block;width:73px!important;height:74px!important;top:50%;margin-top:-37px;display:none;}
#btn_prev{background:url(hover_left.png) no-repeat left top;left:100px;}
#btn_next{background:url(hover_right.png) no-repeat right top;right:100px;}
}