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

.top {
    background-color: #000;
    padding: 20px 8vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.desktop .contact {
    display: flex;
}

.slg {
    position: absolute;
    top: 2vw;
    max-width: 90%;
    max-height: 100%;
    left: 60%;
    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;
}


.downloadArea {
    display: flex;
    position: absolute;
    right: 25vw;
    bottom: 5vw;
}

.qrcode-box {
    display: inline-block;
    width: 160px;
    height: 160px;
    padding: 10px;
    box-sizing: border-box;
    background: #fff;
    border-radius: 16px;
    box-shadow:
        0 0 10px rgba(248, 25, 66, 0.5),
        0 0 20px rgba(248, 25, 66, 0.5),
        0 0 30px rgba(248, 25, 66, 0.5);
    /* 多层红色阴影发光效果 */
    border: 4px solid #F81942;
    /* 边框颜色 */
}


.inside {
    border-radius: 10px;
    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;
}

.btn-box .btn {
    display: inline-block;
    border: none;
    outline: none;
    cursor: pointer;
    transition: all .3s ease;
    background: transparent;
    font-size: 24px;
}

.btn-box img {
    width: 100%;
}


.btn-box .btn:hover {
    transform: translateY(-4px) scale(1.05)
}

.text {
    position: absolute;
    right: 25vw;
    bottom: 1vw;
    width: 25vw;
    object-fit: contain
}