.main{background:url(../images/topbg.jpg) no-repeat top center;min-width: 1003px;width:auto;padding-top:474px;position:relative;}
.top{min-width: 1003px;}
.bottom{width:100%;min-width: 1003px;}
.bomhome,.bominde{margin:0 auto;}
.about-us{text-align:center;width:100%;background:#3c4c99;color:#b9cdfc;}
.about-us .white1:link, .about-us .white1:hover, .about-us .white1:visited{color:#b9cdfc;}
.floor1{background:url(../images/floorBg.jpg);width:100%;height:935px;}
.floor1 .floor1con{background:url(../images/floor1.png) no-repeat center top;width:1003px;height:870px;margin:0 auto;} 
.floor2{background:#fff;width:100%;height:858px;}
.floor2 .floor2con{background:url(../images/floor2.jpg) no-repeat center 90px;width:1003px;height:710px;padding-top:90px;margin:0 auto;} 
.floor3{background:url(../images/floorBg.jpg);width:100%;height:685px;}
.floor3 .floor3con{background:url(../images/floor3.png) no-repeat center 99px;width:1003px;height:506px;padding-top:99px;margin:0 auto;} 
.floor4{background:#f2f3f8;width:100%;height:528px;}
.floor4 .floor4con{background:url(../images/floor4.jpg) no-repeat center 95px;width:1003px;height:373px;padding-top:95px;margin:0 auto;} 
.floor5{background:#fff;width:100%;height:760px;}
.floor5 .floor5con{background:url(../images/floor5.jpg) no-repeat center 90px;width:1003px;height:605px;padding-top:90px;margin:0 auto;} 
.floor6{background:url(../images/floorBg.jpg);width:100%;height:170px;padding-top:60px;}
.main h1{text-indent:-999em;}
.floor6 .enterbtn{background:url(../images/enterbtn.png) no-repeat;width:277px;height:124px;display:block;margin:0 auto;}
.nav{position:fixed;_position:absolute;top:20%;_top:expression(eval(127+document.documentElement.scrollTop));width:168px;right:0px;_right:expression(eval(document.documentElement.scrollLeft));z-index:999;}
.nav .navtit{height:38px;line-height:38px;font-weight:bold;background:#374790;color:#fff;font-size:16px;text-align:center;}
.nav ul li{background:#3f4f9c;width:168px;border-bottom:1px solid #dee4ff;}
.nav ul li a,.nav ul li a:visited{color:#dee4ff;font-size:14px;font-weight:bold;line-height:18px;padding:10px 0 12px 9px;display:block;_zoom:1;*+zoom:1;}
.nav ul li a:hover{text-decoration:none;}
.nav .gotop,.nav .gotop:visited{height:20px;display:block;font:13px Arial;color:#fff;font-weight:bold;text-align:center;background:url(../images/gotop.jpg) no-repeat center 6px #374790;padding-top:13px;}
.nav .gotop:hover{text-decoration:none;}