*{margin:0;padding:0}
.nav{height:70px; margin:0 auto;}
.navv{width:1260px;margin:0 auto}
.navv img{height: 60px;margin-top: 5px}	 
ul,li{list-style:none}
.nav1,.nav2,.nav ul li{float:left;}
.nav2,.nav ul,.nav ul li{height:70px;line-height:70px;text-align:center}	
.nav2{color:1A8CE5;height:40px;margin-left:20px;margin-top:15px;text-align:center;line-height:40px;color:#1A8CE5;font-weight:700}
.nav ul{float:right;}
.nav ul li{margin-right:30px;text-align:center;height:66px;}
.nav ul li a{color:#000; text-decoration:none}
.nav ul li:hover{border-bottom:4px solid #1A8CE5}
.nav ul li:last-child{margin-right:0px}

.nav .helpword{position:relative;}
.nav .help{ display:none;position:absolute;top:70px;right:-70px;width:200px;height:150px;background:#fff!important; opacity:0.8;z-index:100;border-radius:15px}
.nav .help li{float:left;width:100px;margin:0;height:30px;line-height:30px;border:none;color:#1A8CE5;}
.nav .help li:hover{border:none;color:#1A8CE5;font-weight:blod}
.nav .help li a:hover{border:none;color:#1A8CE5;font-weight:900} 

.nav .view{position:relative}
.nav .video{display:none;position:absolute;top:70px;right:-74px;width:200px;height:60px;background:#fff!important; opacity:0.8;z-index:100;border-radius:15px}
.nav .video li{float:left;width:100px;margin:0;height:30px;line-height:30px;border:none;color:#1A8CE5;}
.nav .video li:hover{border:none;color:#1A8CE5;font-weight:blod}
.nav .video li a:hover{border:none;color:#1A8CE5;font-weight:900} 


.main{width:100%;background:#ededed;background:background:#ededed;border-top:1px solid #1a8ce5;padding-top:80px;padding-bottom:80px}
.biaodan{width:908px;margin:0 auto;background:#fff;}
.dspan{color:red}
#imgbtnRegister{border:none;background:#1a8ce5;color:#fff;font-size:20px;font-weight:bloder}

.foot{width:100%;height:155px;background:#4C5461}
.foot .sm{width:400px;height:60px;line-height:30px;text-align:center;margin:0 auto;color:#999;font-size:14px;padding-top:47px}
.foot .sm a{ text-decoration:none;color:#999}