.desktop {
    color: #fff;
    width: 100%;
    height: 100%;
    font-size: 0px;
    overflow: hidden;
}

* {
    -webkit-user-drag: none
}

.desktop .fixed-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    object-fit: cover;
}

.desktop .fixed-bg * {
    object-fit: cover;
}

.content {
    padding: 30px;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.top {
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.desktop .contact {
    display: flex;
}

.slg {
    position: absolute;
    top: 0;
    max-width: 100%;
    max-height: 100%;
    left: 25%;
    transform: translateX(-50%);
}

.bottom {
    flex: 1;
    display: flex;
    justify-content: space-around;
    align-items: center;
    overflow: hidden;
}

.main-left {
    height: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content .slogan {
    position: absolute;
    width: 480px;
    left: 10%;
    top: 30%;
}


.downloadArea {
    position: relative;
    left: 8vw;
    bottom: 3vw;
}

.jiantou-wrapper {
    position: relative;
    /* 让二维码相对这个容器居中 */
    display: inline-block;
}

.jiantou {
    width: 400px;
    display: block;
}

.qrcode-box {
    position: absolute;
    top: 50%;
    /* 垂直居中 */
    left: 67%;
    transform: translate(-50%, -70%);
    width: 180px;
    height: 180px;
    background: rgb(44, 35, 64);
    padding: 10px;
    box-sizing: border-box;
    border-radius: 10px;
}

.inside {
    background: #fff;
    height: 100%;
}

.btn-right {
    margin-left: 2vw;
}

#qrcode img {
    visibility: visible !important;
}

.btn-box {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: space-around;
}

.right {
    position: absolute;
    top: 5vw;
    right: 3vw;
    width: 40vw;
    height: 100%;
    object-fit: contain
}