#header{
    min-width: 1180px;
    height: 350px;
    background: url("../images/nav.jpg") no-repeat top center;
    overflow: hidden;
    background-size: cover;
    padding: 0 10px;
}

.header{
    width: 1180px;
    margin: 0 auto;
    overflow: hidden;
    padding-top: 65px;
}

.batten{
    position: absolute;
    left: 0;
    width: 100%;
    background-color: rgba(0,0,0,.08);
}

.top{
    width: 1160px;
    margin: 0 auto;
    font-size: 16px;
    height: 65px;
    line-height: 65px;
    padding: 0 10px;
}

.logo{
    float: left;
}

.logo>img{
    vertical-align: middle;
}

.nav>ul{
    float: left;
}

.nav>ul:last-child{
    float: right;
}

.nav>ul li:first-child{
    margin-left: 86px;
}

.nav>ul li{
    display: inline-block;
    margin-left: 65px;
    color: #ffffff;
}

.nav>ul .login{
    margin-left: 30px;
}

.nav>ul li a:hover{
    color: #73c2fd;
}

.middle{
    float: left;
    padding-top: 67px;
    color: #ffffff;
    margin-left: 90px;
}

.figure{
    float: right;
    margin-right: 50px;
}

.caption{
    font-size: 40px;
    line-height: 1;
    margin-bottom: 24px;
}

.mess{
    font-size: 16px;
    line-height: 28px;
}

#nav{
    min-width: 1180px;
    height: 60px;
    background-color: #fff;
    border-bottom: 1px solid #eee;
    padding: 0 10px;
}

.navbar{
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 999;
}

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

.row>ul{
    display: inline-block;
    position: relative;
}

.row>ul:before{
    content: "";
    display: table;
}

.row>ul li{
    float: left;
    line-height: 58px;
    text-align: center;
    margin: 0 64px 0 0;
    padding: 0 20px;
    border-bottom: 2px solid #fff;
}

.row>ul li.change{
    border-bottom: 2px solid #0576dc;
}

.row>ul li.change a{
    color: #0576dc;
}

.row>ul li a{
    font-size: 16px;
    color: #333;
    text-decoration: none;
}

.row>ul li a:hover{
    color: #2060c0;
}

#main{
    background-color: #f1f1f1;
}

.main{
    width: 1180px;
    padding: 30px 0 50px;
    font-size: 0;
    margin: 0 auto;
}

.cont{
    background-color: #fff;
    padding: 17px 50px 74px;
    text-align: center;
}

.cont-2,.cont-3,.cont-4{
    display: none;
}

.title{
    font-size: 24px;
    color: #333;
    line-height: 132px;
    text-align: center;
}

.content{
    font-size: 16px;
    color: #888;
    text-align: left;
    line-height: 36px;
    margin-top: 40px;
    padding: 15px 0 15px 15px;
    border: 1px solid #f1f1f1;
    background-color: #fafafa;
}

#footer{
    min-width: 1180px;
    background-color: #353a40;
    clear: both;
    padding: 0 10px;
}

.footer{
    width: 1180px;
    margin: 0 auto;
    color: #dedede;
    font-size: 12px;
    line-height: 70px;
}

.download{
    margin-left: 15px;
}

.right{
    float: right;
}

#pop-up{
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity 0.3s 0s, visibility 0s 0.3s;
    -moz-transition: opacity 0.3s 0s, visibility 0s 0.3s;
    transition: opacity 0.3s 0s, visibility 0s 0.3s;
    z-index:9999;
}

#pop-up.is-visible{
    opacity: 1;
    visibility: visible;
    -webkit-transition: opacity 0.3s 0s, visibility 0s 0s;
    -moz-transition: opacity 0.3s 0s, visibility 0s 0s;
    transition: opacity 0.3s 0s, visibility 0s 0s;
}

.pop-up-close{
    position: absolute;
    right:10px;
    top:10px;
    z-index: 10;
    width:auto;
    height:1.25rem;
    display: block;
    font-size:14px;
}

.pop-up {
    max-width: 1030px;
    text-align: left;
    position: relative;
    top: 50%;
    left: 50%;
    margin: -270px 0 0 -523px;
}

.video-js .vjs-control-bar {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
}

.close{
    display: inline-block;
    width: 14px;
    line-height: 14px;
    background-color: #ddd;
    border-radius: 50%;
    text-align: center;
    position: absolute;
    top: 4px;
    right: 4px;
    z-index: 10000;
}