.login-box {
    display: block;
    width: 5.20rem;
    height: auto;
    padding: 64px 0 72px;
    margin: 80px auto;
    background: #FFFFFF;
    box-shadow: 0px 2px 20px 0px rgba(0, 0, 0, 0.08);
    border-radius: 16px;
}

.login-box .hint {
    font-size: 20px;
    font-family: PingFangSC-Medium, "PingFang SC";
    font-weight: 500;
    color: #333333;
    line-height: 28px;
    text-align: center;
}

.login-box .qrcode {
    width: 1.36rem;
    height: 1.36rem;
    background: #FFFFFF;
    border: 1px solid #E2E2E2;
    margin: 24px auto 16px;
}

.login-box .qrcode .code {
    display: block;
    width: 1.16rem;
    height: 1.16rem;
    margin: 0.10rem;
}

.login-box .howto {
    min-height: 40px;
    font-size: 12px;
    color: #333333;
    line-height: 20px;
    text-align: center;
}