.banner{ width:100%;margin:0px auto;}

.main_image {width:100%;  overflow:hidden; margin:0 auto; position:relative}
.main_image ul {width:9999px; overflow:hidden; position:absolute; top:0; left:0}
.main_image li {float:left; width:100%;}
.main_image li span {display:block; width:100%;}
.main_image li span img{width: 100%;}
.main_image li a {display:block; width:100%; }
div.flicking_con {width:990px; margin:0 auto; position:relative}
div.flicking_con .flicking_inner {position:absolute; top:695px; left:50%; z-index:999; width:300px; height:21px} /* 121126 */
div.flicking_con a {float:left; width:21px; height:21px; margin:0; padding:0; background:url(../images/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(../images/hover_left.png) no-repeat left top;left:100px;}
#btn_next{background:url(../images/hover_right.png) no-repeat right top;right:100px;}



@media only screen and (max-width:1920px){
	.main_image{height: 785px;}
}
@media only screen and (max-width:1600px){
	.main_image{height:643px;}
}
@media only screen and (max-width:1366px){
	.main_image{height:548px;}
}