.clearfix:before,.clearfix:after{ content:""; display:block;}
.clearfix:after{clear:both;}
.clearfix{clear:both;zoom:1;}/*清除浮动，针对ie6/7*/
.header{background-image: url(indexbg.jpg);background-repeat:repeat-x;width: 100%;}
.header_logo{width: 1024px;margin: 0 auto;}
.header_logo img{width: 99%;}
.nav{background-image: url(indexbg1.jpg);background-repeat:repeat-x;width: 100%;height: 78px;}
.nav_list li{float: left;height: 62px;}
/*.nav_list li img{width: 100%;height: 76px;}*/
.nav_list{width: 1024px;margin: 0 auto;}
.section{width: 100%;}
.titleone{width: 1024px;margin: 0 auto;}
.titleimg{width: 32%;margin:40px auto;}
.titleimg img,.titlelist li img{width: 100%;}
.titlelist li{width: 23%;float: left;margin-left: 2%;}
.titlelist li p{text-align: center;background: #10489b;border-bottom-left-radius: 10px;border-bottom-right-radius: 10px;height:40px;width:100%;line-height:40px;color: #fff;font-size: 16px;behavior: url(PIE.htc);}
.titlelist li div{overflow: hidden;height: 214px;}
.titlecont{background-image:url(basicback.jpg);width: 100%;height: 495px;overflow: hidden;margin-top: 40px;background-repeat: no-repeat;}
.titlecontent{position: relative;}
.contentone{background-repeat: no-repeat;height: 172px;margin-top: 140px;overflow: hidden;}
.contentimg li{float: left;width: 31%;margin-left: 2.3%;}
.contentimg{position:absolute;top: -80px;width: 100%;}
.contentimg1 li{float: left;width: 31%;margin-left: 2.3%;}
.contentimg1{position:absolute;top: 100px;width: 100%;}
img{width: 100%;}
.contentimg li img:hover {box-shadow: 2px 2px 5px #333333;margin-top: -10px;}
.contentimg1 li img:hover {box-shadow: 2px 2px 5px #333333;margin-top: -10px;}
.business li{width: 32%;float: left;margin-left: 1%;}
.businesstwo{margin:40px 0;overflow: hidden;padding: 5px 0;}
.businesstwo li{width:25%;margin: 0;}
.businessone li:hover{cursor: pointer;transform: scale(1.02)}
.fourcontent{background:#f5f5f5;padding: 5px 0;overflow: hidden;padding-bottom: 28px;}
.materials li{float: left;width: 50%;}
.footer{background:rgb(115,115,115);height: 71px;padding-top: 20px;}
.footer p{text-align: center;color: #ffffff;height: 20px;line-height: 20px; font-size:12px;}