.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 {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.desktop .contact {
    display: flex;
}


.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: absolute;
    bottom: 38%;
    left: 7%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 10px solid #000;
    border-radius: 13px;
}

.content .qrcode-box {
    display: inline-block;
    width: 200px;
    height: 200px;
    box-sizing: border-box;
    border-radius: 10px;
}

.inside {
    border-radius: 10px;
    background: #fff;
    height: 100%;
}


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

.qrcode_tip {
    font-size: 1vw;
    font-weight: 100;
    position: fixed;
    bottom: 1vw;
    margin-left: .5vw;
}

#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)
}


.qrcode_left {
    display: flex;
    position: relative;
    margin-top: 10px;
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 8vh;
}

.qrcode_model {
    position: relative;
    bottom: 15vw;
    margin-left: 8vw
}

.qrcode_right {
    margin-left: 4vw
}

.free {
    position: absolute;
    top: 45%;
    right: 0;
    z-index: 99;
    width: 8vw;
    cursor: pointer;
}