.ul-nav .active{
    border-bottom: 2px solid #00acd6;
}
.content-user .agreement-box{display: none;}
.content-user .active{
    display: block;
}


.link-button .link-icon{
    margin-right: 5px;
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("../imgs/agreement/link.png");
    background-repeat: no-repeat;
    background-position: 0 0;
    -webkit-background-size: cover;
    background-size: cover;
    -webkit-transition: all .5s;
    -moz-transition: all .5s;
    -ms-transition: all .5s;
    -o-transition: all .5s;
    transition: all .5s;
}

@media only screen and (min-width: 1242px){
    header{
        background-color: #1f262d;
    }
    .banner{
        width: 100%;
        height: 14vw;
        margin-top: 60px;
        background-image: url("../imgs/agreement/UserProtocolbanner.jpg");
        background-repeat: no-repeat;
        background-position: 0 0;
        -webkit-background-size: cover;
        background-size: cover;
        -webkit-transition: all .5s;
        -moz-transition: all .5s;
        -ms-transition: all .5s;
        -o-transition: all .5s;
        transition: all .5s;
    }
    section{
        width: 1242px;
        height: auto;
        padding-bottom: 120px;
        margin: 0 auto 70px;
        background: #ffffff;
    }
    .ul-nav{
        width: 1242px;
        height: 120px;
        padding: 82px 0 22px 22px;
    }
    .ul-nav > li{
        display: inline-block;
        margin-right: 43px;
        font-size: 16px;
        letter-spacing: 0px;
        color: #777a79;
        cursor: pointer;
        padding: 10px;
    }
    .content-user{
        width: 1145px;
        margin: 52px auto 0;
    }
    .content-user > img{
        width: 100%;
    }
    .m-user,.m-questions{
        display: none;
    }

    .agreement-box img.pc{
        display: block;
    }
    .agreement-box img.app{
        display: none;
    }

    .link-button{
        display: block;
        float: right;
        margin-bottom: 30px;
        padding: 5px 25px;
        border: 1px solid #ccc;
        border-radius: 8px;
        color: #333;
    }
}
@media only screen and (max-width: 1242px){
    header{
        background-color: #1f262d;
    }
    .banner{
        width: 100%;
        height: 76vw;
        background-image: url("../imgs/agreement/UserProtocolbannerpic.jpg");
        background-repeat: no-repeat;
        background-position: 0 0;
        -webkit-background-size: cover;
        background-size: cover;
        -webkit-transition: all .5s;
        -moz-transition: all .5s;
        -ms-transition: all .5s;
        -o-transition: all .5s;
        transition: all .5s;
    }
    section{
        width: 100vw;
        height: auto;
        padding-bottom: 35vw;
        background: #ffffff;
        position: relative;
    }
    .ul-nav{
        width: 100vw;
    }
    .ul-nav > li{
        text-align: center;
        display: inline-block;
        position: relative;
        width: 33%;
        height: 12vw;
        padding: 4.8vw 5.4vw;
        font-size: 2vw;
        letter-spacing: 0px;
        color: #777a79;
        cursor: pointer;
    }
    #selctNav:after{
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        margin: auto;
        width: 13.6vw;
        height: 0.7vw;
        background-color: #86b4c1;
    }

    .content-user{
        /*display: none;*/
        padding-top: 20px;
        width: 92%;
        margin: 0 auto;
        text-align: center;
    }
    .content-user img{
        width: 100%;
    }
    .m-user,.m-questions{
        width: 92.2vw;
        padding-top: 9.6vw;
        margin: 3.8vw auto 1.6vw;
    }
    .m-user > img,.m-questions > img{
        width: 100%;
    }

    .agreement-box img.app{
        display: block;
    }
    .agreement-box img.pc{
        display: none;
    }


    .link-button{
        position: absolute;
        display: block;
        bottom: 0;
        margin: 20px 25%;
        padding: 5px 25px;
        border: 1px solid #ccc;
        border-radius: 4px;
        color: #fff;
        background: #12161a;
    }

    .link-button .link-icon{
        background-image: url("../imgs/agreement/app/link.png");
    }
}