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

* {
    -webkit-user-drag: none;
    box-sizing: border-box;
}

.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: 40px 5vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.desktop .contact {
    display: flex;
}

.contact img {
    width: 3vw;
    cursor: pointer;
    margin-right: 2vw;
}

.slg {
    position: absolute;
    top: 0;
    width: 90%;
    height: 100%;
    left: 30%;
    transform: translateX(-35%);
    object-fit: contain;
}

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

.downloadArea {
    display: flex;
    justify-content: space-between;
    width: 95%;
    align-items: center;
    position: absolute;
    bottom: 0;

}

/* 让二维码始终定位在 qr 图片上 */
.downloadArea .qr-holder {
    position: relative;
    display: inline-block;
    width: 650px;
}

.downloadArea .qr-holder .qr {
    width: 100%;
    display: block;
    position: static;
    /* 避免相对定位与 right 偏移影响 */
    right: auto;
}

.downloadArea .qr-holder .qrcode-box {
    position: absolute;
    top: var(--qr-box-top, 50%);
    left: 17%;
    width: 133px;
    height: 133px;
    transform: translate(-50%, -50%);
    /* 居中覆盖到 qr 图片 */
    font-size: 0;
    display: inline-block;
    box-sizing: border-box;
    z-index: 2;
}

.qr {
    width: 650px;
}

.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%;
}


.box-right .main {
    width: 25vw;
    height: 100%;
    object-fit: contain;
    margin-left: 5vw;

}


/* 仅标题跑马灯 */
.title-marquee {
    position: absolute;
    top: 10vw;
    width: 90%;
    height: 60%;
    overflow: hidden;
}

.title-marquee .track {
    width: 200%;
    display: flex;
    animation: titleScroll 20s linear infinite;
}

.title-marquee img.title {
    width: 50%;
    height: 100%;
    object-fit: contain;
}

@keyframes titleScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* 左侧分页点，垂直居中 */
.swiper-pagination {
    right: 20px !important;
    /* 距离左边 10px */
    left: auto !important;
    /* 禁止默认右边对齐 */
    top: 50% !important;
    /* 垂直居中 */
    transform: translateY(-16%) !important;
    display: flex;
    flex-direction: column;
    align-items: end;
    z-index: 10;
}

/* 普通分页点 */
.swiper-pagination-bullet {
    background: transparent;
    border: 8px solid #fff !important;
    margin-top: 8px !important;

}

/* 激活分页点 */
.swiper-pagination-bullet-active {
    background: #ffffff !important;
}