*{
    margin: 0;
    padding:0;
}
html{
    height: 100%;
    overflow: auto;
}
body{
    height: 100%;
    overflow: auto;
    /*background: #4452e6;*/
}
img{
    width: 100%;
    height: 100%;
    display: block;
}
.nav_div{
    position:relative;

}
form{
    padding: 20px 0px;
    width: 100%;
    text-align: center;
    height: 400px;
    background-image: url(https://www.jingshuoprint.com/Static/webview/img/new/2@2x.png);
    background-size: 100%;
    background-repeat: no-repeat;
    /*padding: 10px 0 0 0;*/
}
.joinnum{
    width: 65%;
    height: 52px;
    line-height: 52px;
    background: #FFFFFF;
    box-shadow: 0px 0px 21px 0px rgba(24, 32, 41, 0.35);
    border-radius: 47px;
    color: #182029;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #000000;
    margin: 10px auto;
}
.joinnum>span{
    color:#D00A1C;
}
.jh{
    width: 100;
    height: 35px;
    font-size: 17px;
    font-family: Source Han Sans CN;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 17px;
    text-align: center;
}

input{
    height: 20px;
    width: 75%;
    line-height: 20px;
    padding: 5px 10px;
    border-radius: 2px;
    border: none;
    height: 31px;
    background: #FFFFFF;
    box-shadow: 0px 0px 6px 0px #040000;
}

.box{
    height: 20px;
}
.lable_box{
    margin: 0 0 10px 0;
}
.bottom{
    margin-bottom: 50px;
}
.btn,.call{

    width: 75%;
    height: 50px;
    font-weight: 500;
    margin: 5px auto;
    line-height: 50px;
    background: rgba(222, 57, 17, 0.87);
    border-radius: 19px;
    font-size: 18px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #FFFFFF;

}