* {
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
}

body {
    height: 100%;
}

.content {
    margin: 0 auto;
    height: 100%;
    width: 100%;
    position: relative;
}

/**
 顶部 logo 标题
 */
.content .brand-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    margin-top: 60px;
    margin-left: 80px;
}

.content .brand-panel .app-logo {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    margin-right: 10px;
}

.content .brand-panel .app-name {
    font-size: 36px;
    color: white;
    letter-spacing: 5px;
}

/**
 中间部分
 */
.content .center-panel {
    text-align: center;
    position: absolute;
    width: 80%;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.content .center-panel .app-name {
    font-size: 144px;
    color: white;
    letter-spacing: 5px;
}

.content .center-panel .app-slogan {
    font-size: 24px;
    margin-bottom: 60px;
    color: white;
    letter-spacing: 0.5em;
}

/**
下载
 */
.content .center-panel .app-clients {
    display: flex;
    align-items: center;
    justify-content: center;
}

.content .center-panel .wecode {
    position: relative;
}

#qrcode {
    position: absolute;
    left: 0;
    top: 0;
    display: none;
    width: 196px;
    height: 196px;
}

.content .center-panel .wecode:hover #qrcode {
    display: block;
    position: absolute;
    right: 0;
    top: 0;
}

/**
底部
 */
.footer {
    position: absolute;
    bottom: 50px;
    color: white;
    text-align: center;
    letter-spacing: 1.5px;
    font-size: 14px;
    font-family: PingFangSC;
    font-weight: 300;
    left: 0;
    right: 0;
    text-decoration: none;
}

.footer .menus {
    display: flex;
    list-style: none;
    justify-content: center;
}

.footer .menus li {
    padding: 0 10px;
    line-height: 1;
}

.footer .menus li a {
    color: white;
    text-decoration: none;
}

.footer .menus li:not(:last-child) {
    border-right: 1px solid #fff;
}