.banner{ width:100%;  position:relative; z-index:-1; height:420px; overflow:hidden;}

.bannercon{ position:relative;zoom:1;}

.bannercon .main{ width:100%; float:left;}

.bg_colors{ position:absolute; left:0; top:0; width:100%; height:420px;}

.bgs_box{position:absolute;left:0;top:0;width:100%;height: 420px;opacity:0;filter:alpha(opacity=0);background-size: 100% 100% !important;}

.bgs_box a{ display:block; height:480px; line-height:10000px;}

.bg_colors .on{opacity:1;filter:alpha(opacity=100);}

.item_txt_box{position:relative; width:1200px; margin:0px auto;}

.item_txt{width:1200px;position:absolute; top:390px; left:-9999px;}

.item_txt span{padding-left:18px; padding-right:18px; float:left; background:url(../images/hstm.png) repeat; color:#fff; font-size:24px; font-family:"微软雅黑"; line-height:50px; height:50px;}
.item_txt span a{color:#fff;}
.item_txt_box .on{ left:0;}



.s_arr{ position:relative;}

.s_left, .s_right{width:65px; height:65px;cursor:pointer; position:absolute; z-index:66; margin-top:230px;}

.s_left{ background:url(../images/an1.png) no-repeat; left:50px;}

.s_right{background:url(../images/an2.png) no-repeat; right:50px;}

.switch_list{ position:relative; left:50%; top:430px; width:50%; height:50px; margin-left:-90px; overflow:hidden;}

.switch_list div{ position:absolute; bottom:10px;}

.switch_list div span{float:left; vertical-align:top; width:16px; height:16px; overflow:hidden; margin:0 5px; background:url(../images/dd1.png) top left no-repeat; cursor:pointer;}

.switch_list div .on{ background:url(../images/dd.png) top left no-repeat;}



.item_img_css3{

	-webkit-animation:img_item .8s ease-out;

	animation:img_item .8s ease-out;}



@-webkit-keyframes img_item{

	0%{-webkit-transform:translateX(-500px); opacity:0;}

	100%{-webkit-transform:translateX(0);  opacity:1;}

}

@keyframes img_item{

	0%{transform:translateX(-500px);opacity:0;}

	100%{transform:translateX(0); opacity:1;}

}



.item_img_css3 .shadow01{

	-webkit-animation:img_item01 .8s ease-out;

	animation:img_item01 .8s ease-out;}



@-webkit-keyframes img_item01{

	0%{-webkit-transform:translateX(500px); opacity:0;}

	100%{-webkit-transform:translateX(0);  opacity:1;}

}

@keyframes img_item01{

	0%{transform:translateX(500px);opacity:0;}

	100%{transform:translateX(0); opacity:1;}

}



.item_txt_css3{

	-webkit-animation:txt_item .8s ease-out;

	animation:txt_item .8s ease-out;}

@-webkit-keyframes txt_item{

	0%{-webkit-transform:translateX(-500px); opacity:0;}

	100%{-webkit-transform:translateX(0);  opacity:1;}

}

@keyframes txt_item{

	0%{transform:translateX(-500px);opacity:0;}

	100%{transform:translateX(0); opacity:1;}

}