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

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

.desktop img {
    max-width: 100%;
    height: auto;
}

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

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

.content {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    height: 100%;
    overflow: visible;
    position: relative;
    z-index: 2;
}

.top {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.desktop .contact {
    display: flex;
    z-index: 99;
}

.image-container {
    min-height: clamp(320px, 48vh, 720px);
}

.slg {
    position: absolute;
    top: 60%;
    width: clamp(280px, 40vw, 900px);
    left: 5%;
    transform: translate(0, -100%);
    object-fit: contain;
    max-height: clamp(280px, 75vh, 850px);
}

.deputy1 {
    position: absolute;
    top: 105%;
    right: 10%;
    transform: translate(0, -100%);
    width: clamp(240px, 45vw, 800px);
    object-fit: contain;
}

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

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


.downloadArea {
    position: absolute;
    bottom: clamp(8vh, 8vh, 20vh);
    left: clamp(2vw, 5vw, 6vw);
    z-index: 100;
}

.center-content {
    padding: 18px 22px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.warning-box {
    background: #bf6b69;
    color: #fff;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

.warning-box .eighteen {
    background: #fff;
    color: #ff0000;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
}

.download-row {
    display: flex;
    gap: 24px;
    align-items: center;
}

.content .qrcode-box {
    width: clamp(120px, 17vh, 170px);
    height: clamp(120px, 17vh, 170px);
    background: transparent;
    border-radius: 12px;
    padding: 0;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 3px solid #e33849;
}

.content .qrcode-box .inside {
    width: clamp(110px, 16vh, 160px);
    height: clamp(110px, 16vh, 160px);
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.buttons-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-image {
    width: clamp(200px, 24vw, 260px);
    height: clamp(46px, 6vh, 60px);
    object-fit: contain;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border-radius: 28px;
}

.btn-image:hover {
    transform: translateY(-2px) scale(1.03);
}

.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)
}


/* 中等偏矮屏幕：固定二维码到视窗底部，避免任何遮挡 */
@media (max-height: 900px) {
    .downloadArea {
        position: fixed;
        bottom: 16px;
        right: 4vw;
        z-index: 1000;
    }

    .content .qrcode-box {
        width: clamp(110px, 16vh, 160px);
        height: clamp(110px, 16vh, 160px);
    }

    .content .qrcode-box .inside {
        width: clamp(100px, 15vh, 150px);
        height: clamp(100px, 15vh, 150px);
    }

    .slg {
        top: 60%;
        max-height: clamp(260px, 65vh, 780px);
    }
}

@media (max-height: 700px) {
    .top {
        padding: 12px 24px;
    }

    .downloadArea {
        bottom: clamp(6vh, 10vh, 12vh);
    }

    .slg {
        top: 58%;
    }
}

@media (max-height: 640px) {
    .downloadArea {
        position: fixed;
        bottom: 12px;
        right: 4vw;
    }

    .content .qrcode-box {
        width: clamp(100px, 15vh, 150px);
        height: clamp(100px, 15vh, 150px);
    }

    .content .qrcode-box .inside {
        width: clamp(92px, 14vh, 140px);
        height: clamp(92px, 14vh, 140px);
    }

    .slg {
        top: 55%;
    }
}