*{
    margin: 0;
    padding: 0;
    list-style: none;
}
html{
    height: 100vh;
}
body{
    height: 100%;
    position: relative;
    background-image: url('../../../../images/zax/cert/bg.png');
    background-repeat: no-repeat;
}

.contain{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-image: url('../../../../images/zax/cert/jbbj.png');
    background-size: cover 100%;
    position: absolute;
}
.bg{
    position: absolute;
    bottom: 0;
    left: 0;
}
.jb{
    position: absolute;
    bottom: 0;
    left: 0;
}
nav{
    height: 42px;
    width: 100%;
    display: flex;
    justify-content: left;
    align-items: center;
}
.logo{
    display: flex;
    justify-content: center;
    margin: 20% 0 10%;
}
.logo img{
    width: 80%;
    
}
.form{
    background-color: rgba(255,255,255,0.8);
    
    width: 90%;
    display: flex;
    flex-direction: column;
    border-radius: 10px;
    padding: 0 3% 3%;
    box-sizing: border-box;
}
.form ul{
    width: 100%;
    display: flex;
    margin-bottom: 20px;
}
.form ul li{
    line-height: 35px;
    height: 35px;
    width: 50%;
    text-align: center;
    color: #2B5A92;
    border-bottom: 2px solid  #87a9d6;
}
.active{
    border-bottom:2px solid #37598e !important;
}
.form ul li:nth-of-type(1){
    border-right: 1px solid #476898;
}
.form .item{
    display: flex;
    margin: 7px 0;
    justify-content: space-between;

}
.form h2{
    text-align: center;
    margin: 20px;
    color: #050505;
    font-size: 25px;
}
.form span{
    display: flex;
    width: 42px;
    color: #020202;
    font-size: 14px;
    align-items: center;
    background-color: #7EAADA;
    display: flex;
    justify-content: space-around;
}
.form input{
    
    height: 35px;
    border: none;
    border-radius: 5px;
    text-indent: 1em;
    flex: 1;
}
.item .code{
    font-size: 14px;
    white-space: nowrap;
    margin-left: 10px;
    padding: 0 4px;
}
.btn{
    height: 35px;
    border: none;

    background-color: #3B72B2;
    border-radius: 5px;
    color: rgba(255,255,255);


}