.logo{
    width: 1.4rem;
    margin:0.8rem auto 0.2rem;
}
.logo img{
    width:100%;
    height:auto;
    margin-bottom: 0.2rem;
}
.input,.btn-login,.captcha{
    width:2.4rem;
    margin: 0.1rem auto;
    -webkit-border-radius: 4px;
    border-radius: 4px;
}
.captcha-inp{
    -webkit-border-radius: 4px;
    border-radius: 4px;
    width: 1rem;
}
.captcha img{
    height: auto;
    width: 0.7rem;
}
.btn-login{
    margin:0.2rem auto 1.3rem;
    width: 2.4rem;
    padding:0.06rem 0;
    text-align: center;
    letter-spacing: 0.05rem;
}

.copy-right{
    font-size: 0.1rem;
    margin-bottom: 0.05rem;
    color:#aaa;
}