html,
body {
    margin: 0px;
    padding: 0px;
    height: 100%;
    width: 100%;
    color: #333333;
}

body {
    padding-top: 56px;
    background-color: #f0f0f0;
}

header {
    position: fixed;
    top: 0px;
    width: 100%;
    height: 55px;
    background-color: white;
    line-height: 55px;
    border-bottom: 1px solid #e5e5e5;
    font-size: 1.4rem;
    user-select: none;
    z-index: 2;
}

header>.container>.logo-container {
    float: left;
}
header>.container>.user-container {
    float: right;
}

header img,
header strong {
    vertical-align: middle;
}

header strong {
    position: relative;
    top: -3px;
    margin-left: -40px;
}

#content-bg {
    padding-top: 1px;
    margin-bottom: 70px;
}

#content-bg>.container>h3 {
    margin-top: 20px;
    text-align: center;
}

#wechat-bg {
    padding-top: 150px;
    height: calc(100% - 56px);
}

#wechat_qrcode {
    margin: 0px auto;
    text-align: center;
}