body, html {
    margin: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    font-family: 微软雅黑;
}

header {
    display: inline-block;
    text-align: center;
    color: #393939;
    font-size: 1.8rem;
    padding: .6rem 0 0.6rem 0;
    background: white;
    font-weight: 400;
}

.wrap {
    text-align: center;
}

header > img {
    width: 3.5rem;
    float: left;
    padding: 0 1rem;
    position: absolute;
}

header > span {
    display: inline-block;
    width: 100%;
}
.user-info{
    display: inline-block;
    padding: 4rem;
    width: 100%;
}
.user-info input{
    width: 100%;
    display: inline-block;
    text-decoration: none;
    outline: none;
    padding: .3rem;
    border: none;
    border-bottom:  1px solid #DADCE7;
}
input::-webkit-input-placeholder{
    color: #DADCE7;
    font-size: 1.6rem;
}
.code{
    display: inline-block;
    width: 100%;
    position: relative;
}
#authCode{
    margin-top: 3rem;
    padding-right: 7rem;

}
.authCode{
    display: inline-block;
    position: absolute;
    right: 0;
   bottom: .5rem;
    font-size: 1.6rem;
    font-family: 黑体;
    color: #3399FE;
}
.user-info .btn{
    display: inline-block;
    background-color: #3399FE;
    border-radius: .5rem;
    color: #fff;
    margin-top: 2.5rem;
    width: 100%;
    text-align: center;
    font-family: 黑体;
    font-size: 1.8rem;
}