html,
body,
#content {
    margin: 0;
    padding: 0;
    height: 100%;
}
.wrap {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    box-sizing: border-box;
}
.main {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.logo img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
}
.title {
    font-size: 18px;
    color: #2a2a2a;
    font-weight: 700;
}
.desc {
    margin-top: 21px;
    font-size: 18px;
    font-weight: 400;
    color: #555555;
}
.info {
    font-size: 14px;
    color: #888;
}
.info-item {
    padding: 0 5px;
}
.tip {
    display: inline-block;
    font-size: 12px;
    color: #999999;
    margin-bottom: 5px;
    width: 100%;
    text-align: center;
}
.buttons {
    margin-top: 30px;
}
.button {
    cursor: pointer;
    margin-bottom: 10px;
    width: 260px;
    height: 65px;
    border-radius: 5px;
    position: relative;
    color: #fff !important;
    border: 1px solid #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    font-size: 15px;
}
.button img {
    width: 24px;
    height: 24px;
    margin-right: 8px;
    position: absolute;
    top: 50%;
    left: 55px;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
}
.button .button-text-wrap {
    position: absolute;
    top: 50%;
    left: 105px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
}
.button .sub-text {
    font-size: 12px;
}
.button .main-text {
    font-size: 17px;
}
.button.button-android {
    background: #27e582;
}
.button.button-ios {
    background: #666666;
}
.button.button-h5 {
    background: #ef703a;
}
.button.button-wxapp {
    background: #7e78cf;
}
.button-ios img {
    margin-top: -2px;
}
.button-h5 img {
    margin-top: 1px;
}

.popup {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 14;
    display: none;
    justify-content: center;
    -webkit-justify-content: center;
    align-items: center;
    -webkit-align-items: center;
}
.popup.show {
    display: flex;
    display: -webkit-flex;
}
.popup-mask {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
}
.popup-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    padding: 10px;
    background-color: #fff;
}
.popup-text {
    text-align: center;
    font-size: 12px;
    margin-top: 0;
    margin-bottom: 5px;
}
.popup-qrcode {
    width: 100%;
    height: auto;
}