/* CSS Document */
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,blockquote{margin:0;padding:0;}
body{font-family:"Microsoft YaHei",Helvetica,Georgia,Arial,sans-serif; overflow-x:hidden;
background:url("body_bg.jpg")/*tpa=http://www.ty.ssetg.com/body_bg.jpg*//*tpa=http://www.qk511.com/body_bg.jpg*//*tpa=http://43.227.192.83:953/body_bg.jpg*/;
background-position:top center;
background-repeat:no-repeat;
background-color:#000;}
.top1{
	margin:0 auto;
	width:1000px;
	height:600px;
}
.top2{
	margin:0 auto;
	width:1000px;
	height:500px;
}
.st1{
	width:166px;
	height:229px;
	background:url("st1.gif")/*tpa=http://www.ty.ssetg.com/st1.gif*//*tpa=http://www.qk511.com/st1.gif*//*tpa=http://43.227.192.83:953/st1.gif*/;
	margin-left:100px;
}
.st2{
	width:166px;
	height:229px;
	background:url("st2.gif")/*tpa=http://www.ty.ssetg.com/st2.gif*//*tpa=http://www.qk511.com/st2.gif*//*tpa=http://43.227.192.83:953/st2.gif*/;
	margin-left:400px;
	margin-top:-100px;
}
.st3{
	width:166px;
	height:229px;
	background:url("st3.gif")/*tpa=http://www.ty.ssetg.com/st3.gif*//*tpa=http://www.qk511.com/st3.gif*//*tpa=http://43.227.192.83:953/st3.gif*/;
	margin-left:700px;
	margin-top:-350px;
}
.gonggao{
	margin-left:100px;
	margin-top:200px;
}

.neirong{
	margin:0 auto;
	width:1000px;
	height:493px;
	background:url("bg1.png")/*tpa=http://www.ty.ssetg.com/bg1.png*//*tpa=http://www.qk511.com/bg1.png*//*tpa=http://43.227.192.83:953/bg1.png*/;
	padding-top:100px;
}
.an1{
	width:239px;
	height:161px;
	margin-top:-45px;
	margin-left:37px;
}
.an1:hover{
	background:url("an1.jpg")/*tpa=http://www.ty.ssetg.com/an1.jpg*//*tpa=http://www.qk511.com/an1.jpg*//*tpa=http://43.227.192.83:953/an1.jpg*/;
}
.wenzi{
	width:580px;
	height:270px;
	margin-left:300px;
	margin-top:-170px;
}
.an2{
	width:226px;
	height:133px;
	margin-left:18px;
	margin-top:-59px;
}
.an2:hover{
	background:url("an2.jpg")/*tpa=http://www.ty.ssetg.com/an2.jpg*//*tpa=http://www.qk511.com/an2.jpg*//*tpa=http://43.227.192.83:953/an2.jpg*/;
	background-position:1px 0px;	
}
.an3{
	width:226px;
	height:91px;
	margin-left:18px;
}
.an3:hover{
	background:url("an2.jpg")/*tpa=http://www.ty.ssetg.com/an2.jpg*//*tpa=http://www.qk511.com/an2.jpg*//*tpa=http://43.227.192.83:953/an2.jpg*/;
	background-position:1px -133px;
}
.an4{
	width:226px;
	height:91px;
	margin-left:18px;
}
.an4:hover{
	background:url("an2.jpg")/*tpa=http://www.ty.ssetg.com/an2.jpg*//*tpa=http://www.qk511.com/an2.jpg*//*tpa=http://43.227.192.83:953/an2.jpg*/;
	background-position:1px -224px;
}
.tugif{
	width:741px;
	height:310px;
	margin-left:246px;
	margin-top:-315px;
}
.tu4tu{
	width:974px;
	height:160px;
	background:url("4tu.jpg")/*tpa=http://www.ty.ssetg.com/4tu.jpg*//*tpa=http://www.qk511.com/4tu.jpg*//*tpa=http://43.227.192.83:953/4tu.jpg*/;
	margin:0 auto;
}
.tu4tu1{
	width:245px;
	height:160px;
	}
.tu4tu1:hover{
	background:url("4tu.jpg")/*tpa=http://www.ty.ssetg.com/4tu.jpg*//*tpa=http://www.qk511.com/4tu.jpg*//*tpa=http://43.227.192.83:953/4tu.jpg*/;
	background-position:0px 160px;
	}
	
	
.tu4tu2{
	width:245px;
	height:160px;
	}
.tu4tu2:hover{
	background:url("4tu.jpg")/*tpa=http://www.ty.ssetg.com/4tu.jpg*//*tpa=http://www.qk511.com/4tu.jpg*//*tpa=http://43.227.192.83:953/4tu.jpg*/;
	background-position:-245px 160px;
	}
	
.tu4tu3{
	width:245px;
	height:160px;
	}
.tu4tu3:hover{
	background:url("4tu.jpg")/*tpa=http://www.ty.ssetg.com/4tu.jpg*//*tpa=http://www.qk511.com/4tu.jpg*//*tpa=http://43.227.192.83:953/4tu.jpg*/;
	background-position:-490px 160px;
	}

.tu4tu4{
	width:240px;
	height:160px;
	}
.tu4tu4:hover{
	background:url("4tu.jpg")/*tpa=http://www.ty.ssetg.com/4tu.jpg*//*tpa=http://www.qk511.com/4tu.jpg*//*tpa=http://43.227.192.83:953/4tu.jpg*/;
	background-position:-735px 160px;
	}