.layui-field-title {
    margin-top: 20px;
}

    .layui-field-title > legend {
        margin: 0 auto;
        font-size: 30px;
        font-weight: 400;
        color: #333333;
    }

.login-method-select {
    text-align: center;
    font-size: 20px;
    font-weight: bold;
}

.nav_icon {
    display: inline-block;
    vertical-align: middle;
    background-repeat: no-repeat;
    background-image: url(/images/nav_icon_all.png);
}

.nav_icon_wechat_login {
    width: 31px;
    height: 26px;
    background-position: -28px -5px;
}

.nav_icon_app_login {
    width: 25px;
    height: 25px;
    background-position: -1px -5px;
}

.nav_icon_wechat_logo {
    width: 40px;
    height: 40px;
    background-position: -99px -5px;
}

.nav_icon_app_logo {
    width: 40px;
    height: 40px;
    background-position: -60px -5px;
}

.qrcode-logo {
    position: absolute;
    top: 150px;
    left: 171px;
}