.desktop {
    color: #fff;
    width: 100%;
    height: 100%;

    font-size: 0px;
    overflow: hidden;
}

* {
    -webkit-user-drag: none
}


#qrcode img {
    visibility: inherit;
}

.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 {
    padding:20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.5); /* 黑色背景 + 50%透明度 */
}

.desktop .contact {
    display: flex;
}


.desktop .contact img {
    margin-left: 40px;
    cursor: pointer;
}

.slg {
    position: absolute;
    max-width: 80%;
    max-height: 100%;
    left: 45%;
    transform: translateX(-50%);
}

.bottom {
    flex: 1;
    padding: 30px;
    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: 18vw;
    margin-top: 0.4rem;
    margin-left: 4vw;
    display: flex;
    width: 530px;
    background-color:#fff;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;

}

.content .qrcode-box {
    font-size: 0;
    display: inline-block;
    background: #fff;
    padding: 5px;
    border-radius: 13px;

}

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

#qrcode img {
    visibility: visible !important;
}

.right_box {
    position: relative;
    right: 3vw;
    width: 36vw;
    height: 100%;
    object-fit: contain;
    z-index: 9;
}

.bgc {
    position: absolute;
    bottom: 2.5vw;
    z-index: -1;
}
.bgc img {
    height:70%;
    width: 100%;
}
.marquee {
    position: absolute;
    bottom: 5vw;
    display: flex;
    animation: scroll-left 20s linear infinite; /* 平滑动画 */
    cursor: pointer;
}

.marquee img {
    width: 100%; /* 确保图片宽度与容器一致 */
    flex-shrink: 0; /* 防止图片被压缩 */
    height: 2rem;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0); /* 从原始位置开始 */
    }
    100% {
        transform: translateX(-100%); /* 向左滚动整个宽度 */
    }
}