.w {
    width: 1180px;
    margin: 0 auto;
}

.fl {
    float: left;
}
.fr {
    float: right;
}
body{
}
.head,header{
    width: 100%;
    display: inline-block;
   /* height: 780px;
    background: url(../images/牧场.png) no-repeat center;
    background-size: 100% 780px;*/
    position: relative;
}
.nav{
    height: 80px;
    over-flow: hidden;
}
.logo{
    width: 89px;
    height: 71px;
    background-image: url(../images/logo.png);
    background-position: -370px 0px;
    margin-top: 5px;
}
.nav ul{}
.nav ul li{
    float: left;
   box-sizing: border-box;
   height: 80px;
   line-height: 80px;
   position: relative;
}
.nav ul li a{
    display: inline-block;
    font-size: 18px;
    font-family: Source Han Sans CN-Regular, Source Han Sans CN;
    color: #FFFFFF;
    padding:0px 25px;
}
.nav ul li:last-child>a{padding-right: 0px;}
.nav ul li.active::after{
    content: "";
    position: absolute;
    top: 74px;
    left: 25px;
    width: 70px;
    height: 6px;
    opacity: 1;
    border-radius: 200px;
    background: rgba(34, 82, 148, 1);
}
.nav ul li:nth-child(n+2):hover:after{
    content: "";
    position: absolute;
    top: 74px;
    left:25px;
    width: 70px;
    height: 6px;
    opacity: 1;
    border-radius: 200px;
    background: rgba(34, 82, 148, 1);
}
.nav ul li:nth-child(1):hover:after{
    content: "";
    position: absolute;
    top: 74px;
    left:8px;
    width: 70px;
    height: 6px;
    opacity: 1;
    border-radius: 200px;
    background: rgba(34, 82, 148, 1);
}
.head .ad{
   position:absolute; 
   top: 717px;
   left: 742px;
}
.head .ad ul li{
    float:left;
    width: 126px;
    height: 6px;
    background-color: #fff;
    margin-right:30px;
    border-radius: 100px 100px 100px 100px;
}
.head .ad ul li.active{
    background-color: #1E5294;
}
.footer{
    width:100%;
    height: 566px;
    background: #21252C;
    border-radius: 0px 0px 0px 0px;
    opacity: 1;
    position: relative;
}
.footer .fl{
    margin-top: 55px;
}
.footer .fl dl{margin-bottom: 46px;}
.footer .fl dt{font-family: Source Han Sans CN-Regular, Source Han Sans CN;height: 38px;font-size: 26px;letter-spacing: 0px;color: rgba(255, 255, 255, 1);text-align: left;vertical-align: top;margin-bottom: 14px;}
.footer .fl dl dd:nth-child(2){box-sizing: content-box;font-family: Source Han Sans CN-Regular, Source Han Sans CN;position: relative;height: 29px;font-size: 20px;letter-spacing: 0px;color: rgba(255, 255, 255, 1);text-align: left;vertical-align: top;padding-bottom: 26px;}
.footer .fl dl dd:nth-child(2)::after{content: "";width: 470px;height: 0px;opacity: 1;border: 1px solid rgba(255, 255, 255, 1);position: absolute;left: 0px;bottom: 0px;}
.footer .fl dd:last-child{margin-top: 15px;left:height: 42px;opacity: 1;/** 文本1 */font-size: 36px;letter-spacing: 0px;line-height:42px;color: rgba(153, 153, 153, 1);text-align: left;vertical-align: top;}
.lianxi{width: 230px;height: 60px;opacity: 1;border-radius: 300px;border: 2px solid rgba(153, 153, 153, 1);text-align: center;line-height: 60px;box-sizing: content-box;}
.footer .fr{margin-top: 20px;width: 206px;text-align: center;}

.footer .fr img:first-child{margin: 0px auto 9px;}
.erweima{width: 206px;height: 206px; background: url(../images/erwema.png) no-repeat center;background-size: 206px 206px;margin-bottom: 14px;}
.footer .fr span{display: block;height:35px;line-height: 35px;font-size: 24px;font-family: Source Han Sans CN-Regular, Source Han Sans CN;font-weight: 400;color: #FFFFFF;margin-top: 14px;text-align: center;}
.copy{width: 100%;height: 70px;line-height: 70px;position: absolute;bottom: 0px;text-align: center;border-top: 1px solid #ccc;}
@media screen and (max-width: 1440px){
    .w{width: 884px;margin: 0 auto;}
    header{height: 585px;}
    .nav{position: absolute;top: 0px;left: 50%;margin-left: -442px;height:60px;overflow:hidden;z-index: 10;}
    .logo{
    width: 67px;
    height: 53px;
    background-image: url(../images/logo3.png);
    background-position:0px 0px;
    background-size: 100%;
    margin-top: 4px;
}
.nav ul li{  
   height: 60px;
   line-height: 60px;
}
.nav ul li a{
    display: inline-block;
    font-size: 14px;
    font-family: Source Han Sans CN-Regular, Source Han Sans CN;
    color: #FFFFFF;
    padding:0px 19px;
}
.nav ul li.active:after{
    content: "";
    position: absolute;
    top: 56px;
    left: 20px;
    width: 53px;
    height: 4px;
    opacity: 1;
    border-radius: 150px;
    background: rgba(34, 82, 148, 1);
}
.nav ul li:nth-child(n+2):hover:after{
    content: "";
    position: absolute;
    top: 56px;
    left:20px;
    width: 53px;
    height: 4px;
    opacity: 1;
    border-radius: 150px;
    background: rgba(34, 82, 148, 1);
}
    .footer .fl dt{font-size: 20px;height: 29px;margin-bottom: 11px;}
    .footer .fl dl dd:nth-child(2){font-size: 15px;height: 22px;padding-bottom: 20px}
    .footer .fl dd:last-child{margin-top: 10px;height: 32px;font-size: 27px;}
    .lianxi{height: 45px;line-height: 45px;width: 173px;}
    .footer .fr img:first-child{width: 149px;height: 119px;}
    .erweima{width:155px;height: 155px;background-size: 100%}
    .footer .fr{margin-top:15px;width: 155px;text-align: center;}
    .footer .fr span{font-size: 18px;height: 26px;line-height: 26px;}
    .footer .fl{margin-top: 36px;}
    .footer{height: 424.5px;}
    .copy{height: 54px;line-height: 54px;}
}