*{margin:0; padding:0; font-family:Arial,"宋体"; font-size:12px; color:#000;}
a{text-decoration:none;}
li{list-style:none;}
img{border:none;}

.top{background:url(../images/topbj_02.png); background-repeat:repeat-x; height:35px;}
.logo{width:1000px; margin:0 auto; overflow:hidden;}
.nav{width:1000px; margin:0 auto; overflow:hidden; text-align:center; margin-bottom:2px;}
.nav a{display:block; float:left; background-image:url(../images/menu.jpg); background-repeat:no-repeat; width:93px; line-height:50px;}
.nav a:hover{background-image:url(../images/menunow.jpg); background-repeat:no-repeat; background-position:center;}
.nav a.a2{background-image:url(../images/menunow.jpg); background-repeat:no-repeat; background-position:center;}
.nav a.a1{width:256px; background-image:url(../images/navbj_05.png); background-repeat:no-repeat; line-height:50px;}
.In{background-image:url(../images/searchr.gif); background-repeat:no-repeat; background-position:center; width:40px; height:22px; border:none; }
.In1{height:20px; line-height:20px;}
.banner{width:1000px; height:330px; overflow:hidden; margin:0 auto; background:#999;}
.main_box{width:1000px; overflow:hidden; margin:0 auto; margin-top:2px;}
.main_L{float:left; overflow:hidden;}
.porducts_box,.contrct_box{width:205px; border:#dcdde1 1px solid; -webkit-border-radius:10px 10px 10px 10px; overflow:hidden; margin-bottom:10px;}
.title{background:url(../images/porbj_09.png) repeat-x; padding:0 20px; border-bottom:#dcdde1 1px solid; padding-bottom:5px;}
.title a{font-family:"微软雅黑"; font-size:14px; font-weight:bold; display:block; padding-top:20px; background:url(../images/porbj1_12.png) no-repeat bottom left; padding-left:15px;}
.title a span{margin-left:10px; font-weight:normal; color:#a3a3a5;}
.por_list{margin-top:30px;}
.por_list a{display:block; margin:0 30px; border-bottom:#dcdde1 1px dotted; line-height:30px; background-image:url(../images/jt_17.png); background-repeat:no-repeat; background-position:center left; padding-left:40px;}
.por_list a:hover{color:#F00;}
.por_list p{margin:0 20px; line-height:23px;}
.main_R{float:right; overflow:hidden; width:783px;}
.top_boxR{overflow:hidden;}
.conpany_box{float:left; width:500px; height:260px; overflow:hidden; border:#dcdde1 1px solid; -webkit-border-radius:10px 10px 10px 10px; margin-bottom:10px;}
.title img{float:right; cursor:pointer;}
.por_list img{margin:0 20px; width:90px; height:120px; float:left;}
.por_list p.p1{text-indent:25px;}
.case_box{float:right; width:269px; height:260px; overflow:hidden; border:#dcdde1 1px solid; -webkit-border-radius:10px 10px 10px 10px; margin-bottom:10px;}
.por_list1{overflow:hidden; margin-top:30px;}
.bottom_box{height:212px; overflow:hidden; border:#dcdde1 1px solid; -webkit-border-radius:10px 10px 10px 10px;}
.footer_box{width:1000px; margin:0 auto; overflow:hidden; background:url(../images/tooterbj_03.png) no-repeat; height:150px; text-align:center;}
.footer_box a{line-height:90px;}
.footer_box a:hover{text-decoration:underline;}