*{margin:0px;padding: 0px}
a,img{display:inline-block;}
a{ outline:none; text-decoration:none; color:#333;transition:all 0.3s;-webkit-transition:all 0.3s;-moz-transition:all 0.3s;-o-transition:all 0.3s;}
ul li{ list-style-type:none;}
em,i,b,small{font-style:normal; font-weight:normal;}
.fl{ float:left;}
.fr{ float:right;}
.commonWidth{ width:100%; margin:0 auto; overflow:hidden;background: #fff;}
.commonWidth_1000{ width:1100px; margin:0 auto; overflow:hidden;}
.header_down{ background:url(../picture/header.jpg) center center no-repeat; height:120px;}
.header_down a{
	display:block;
	text-indent:-999em;
	width:100%;
	height:100%;
}
.top_nav{ height:55px;  background:#911d1d; width:100%;}
.top_nav ul{ width:1100px; height:55px; margin:0 auto;}
.top_nav li{ float:left; }
.top_nav li a{ width:182px; height:55px; text-align:center; line-height:55px; font-size:18px; color:#fff; border-right: 1px #BACCD4 solid;}
.top_nav li .a_active{ text-shadow:1px 1px 1px #000; background-color: #9a4015; }
.banner{
	width:100%;
	height:420px;
	float:left;
	margin-bottom: 20px;
}
.banner a{
	width:100%;
	height:100%;
	background:url(http://tuku.sxbdf.com/tuku/banner/images/banner3.jpg) no-repeat center center;
}
.footer{ background:#3c3c3c;}
.footer .footer_content{ width:1100px; margin:0 auto;}
.footer ul{ background:#4b4b4b; height:55px;}
.footer li{ float:left;}
.footer li a{ cursor:pointer; height:100%; width:183px; text-align:center; line-height:55px; color:#dcdcdc; font-size:20px;}
.footer .a_active{ background:#0064b4; box-shadow:1px -1px 10px #fff;}
.footer .address{ margin:50px auto 60px; overflow:hidden;}
.footer .address_left{ width:350px;}
.footer .address_left img{ width:312px;}
.footer .address_center{ width:458px; border-left:1px solid #505050; border-right:1px solid #505050; padding:10px 35px;}
.footer .address_center p{ font-size:16px; color:#dcdcdc; line-height:33px;}
.footer .address_center em{ width:80px; line-height:33px;}
.footer .address_right{ width:198px;}
.footer .address_right img{ width:210px;}
.footer .copyright{ background:#4b4b4b; padding:20px 0 0px;}
.footer .copyright p{ text-align:center; line-height:25px; color:#dcdcdc; font-size:16px;}