#banner{ width:100%; margin:0 auto;}
#banner .banner_link{ width:1000px; margin:0 auto;}
.bigmain{ width:1000px; margin:3px auto 0;}
.fuwu{ width:1000px; height:702px; float:left; background:url(../images/service/guanggao18.jpg) no-repeat;}
#contact_box{ width:100%; margin:0 auto; background:#f3f3f3 url(../images/service/li4.jpg) repeat-x; padding-bottom:13px;}
.contact_main{ width:1000px; margin:0 auto;}
.contact_main .contact_title{ width:1000px; height:51px; background:url(../images/service/Service.jpg) no-repeat 0 -130px;}
.contact_cent{ width:730px; margin:0 auto;}
.contact_cent .renxian{ float: left; width:360px;}
.contact_cent .renxian span{ height:20px; line-height:20px; width:360px; display:block; float:left; font-family: "Microsoft Yahei"; color:#4e4e4e; font-size:13px;}
.contact_cent .renxian b{ display:block; float:left; width:360px; padding:10px 0; font: bold 18px/20px "Microsoft Yahei","\5b8b\4f53"; }
.contact_cent .renxian p{ display:block; float:left; width:360px; line-height:22px; height:22px;}
.contact_cent .renxian p a{ color:#000000;}
.contact_cent .renxian p a{
    position: relative;
     cursor: pointer;
    }
    .contact_cent .renxian p a .QQhover {
     position: absolute;
     left: 0px;
     bottom: 21px;
     border: 1px solid #666;
     border-radius: 4px;
    line-height: 20px;
     color: #333;
     background: rgba(255,255,255,.9);
     display: none;
    cursor: auto;
    font-weight: 700;
    height: 20px;
     width: 100px;
     text-align: center;
     font-size: 12px;
     overflow: hidden;
     resize: none;
    }
    .contact_cent .renxian p a .QQhover::after{
     position: absolute;
     left: 0;
     top: 0;
   line-height: 20px;
     content: "QQ:";
    }
    .contact_cent .renxian p a:hover .QQhover{
    display: inline-block;
    }
.contact_cent .renxian p img{ vertical-align:middle; margin-left:5px;}
.contact_cent ul{ display:block; float: left; width:300px;}
.contact_cent ul li{ display:block; float:left; width:300px; height:29px; line-height:29px; font-size:14px; color:#4d4d4d;}