*{padding: 0;margin: 0;}
html,body{position:relative;overflow:hidden;font-family:"微软雅黑";font-size: 14px;}
a{text-decoration: none;}
.clearfix:after{content:"";display:block;}
.clearfix{zoom:1;}
.u_con{width:100%;height:72px;background-color: #0070c5;background-image: url(../images/nav_bg.png);background-repeat: no-repeat;background-position:center;}
.u_head{width:1000px;margin:0 auto;height:72px; }
.u_head .version {
    font-size:20px; color:white;
    float:left;
    width:200px;
    /*display:block;*/
    top:25px;
    margin-left:10px;
    height:72px;
    line-height:72px;
    /*position:absolute;*/
    position: relative;
    left: 460px;
    top: 0px;
}
.u_head img {
    float:left;
    width:550px;
    position: absolute;
    display: block;
}
.nav{height:50px;line-height: 50px;width: 1000px;margin:10px auto;background: #f4f8ff;box-shadow: 0 0 13px rgba(0,0,0,0.15);}
.nav ul li{float: left;list-style: none;width: 499px;text-align: center;border-left:1px solid #a5c6f4;height: 50px;position:relative;}
.nav ul li a{color: #053991;font-size: 18px;display: inline-block;height:50px;width: 100%;}
.nav ul li i{position: absolute;background: url(../images/active_li1.png) no-repeat;width: 24px;height:7px;display: none;left:153px;bottom: -7px;_bottom:-20px;}
.nav ul li.active{background:#469cdd;}.nav ul li.active a{color: #fff;}.nav ul li.active i{display: block;}
.u_center{width:950px;margin:0 auto;border:2px solid #b8defa;background:#fff;margin-bottom: 33px;padding:10px 25px;box-shadow: 0 0 13px rgba(0,0,0,0.15);margin-top:10px; height:auto;}
.e_config{margin-bottom:8px;}
.e_config h4{color: #0759b5;height:35px;line-height:35px;}
.answer{border:1px solid #dbdbdb;background: #f8f8f8;width: 868px;margin:0 auto;padding: 12px 6px;line-height: 22px;color: #000000;}
.footer{width:100%;height:50px;border-top:2px solid #b8defa;background-color: #d0e4f3;bottom:0;padding-top: 15px;}
.footer p{text-align:center;color: #03528e;}