body{margin:0px;padding:0px;font-family:"微软雅黑"}
* html{margin:0px;padding:0px;}
ul , li {margin:0px;padding:0px; list-style:none;}
h3,em{font-style:normal;}
img{vertical-align:top;/*display:block;*/ border:0;}
a{outline:none;}
.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden;}
.clearfix:after {visibility: hidden;display:block;font-size:0;content:"";clear:both;height: 0;}
.main_top{ background:#ffffff url(../images/bg1_02.jpg) no-repeat top center; width:100%; margin:0 auto; overflow:hidden; padding-bottom:50px;}
.main-mid1{width:990px; height:auto; margin:0 auto;}
.footerbg{ margin-top:0px!important;}
body area:focus{outline:none;}
/*弹出层*/
.screenbg {
	z-index:100;width: 100%;height: 100%;position: fixed;top:0;left:0;background-color: #000000;opacity:0.7;filter: "alpha(opacity=30)";   /* IE 8 */ filter: alpha(opacity=70); display: none; /* IE 4-7 */
}
.tang1,.tang2{position: fixed;top:50px;left:50%;margin-left:-390px;width:746px;z-index: 200; height:auto;display: none; _position:absolute;_top:2200px;}
.tang1 .xiala{ height:500px; overflow-y:scroll; width:746px;overflow-x:hidden;}