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

* {
    -webkit-user-drag: none;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.desktop .fixed-bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    object-fit: cover;
}

.logo {
    width: 7vw;
}

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

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

.top {
    padding: 40px 100px 0 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.desktop .contact {
    display: flex;
}

.cooperationBtn,
.customerBtn {
    width: 10vw;
}

.slg {
    position: absolute;
    top: -10px;
    width: 100%;
    height: 100%;
    left: 50%;
    transform: translateX(-55%);
    object-fit: contain;
}

.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: 4vw;
    bottom: 2vw;
}

.content .qrcode-box {
    font-size: 0;
    display: inline-block;
    width: 180px;
    height: 180px;
    padding: 10px;
    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%;
}

.right {
    position: relative;
    top: -10vw;
    right: 3vw;
    width: 15vw;
    height: 100%;
    object-fit: contain
}

/* ===== 横屏（桌面） ===== */
@media screen and (orientation: landscape) {
    .right {
        position: relative;
        object-fit: contain;
        animation: blink 3s infinite;

        /* ✅ 用高度自适应，而不是固定宽度 */
        height: 55vh;
        /* 图片高度占屏幕高度的 55% */
        width: auto;
        /* 按比例自适应宽度 */
        max-width: 20vw;
        /* 防止太宽 */
        top: -4vw;
        right: 3vw;
    }
}

/* ===== 竖屏（手机或竖屏显示器） ===== */
@media screen and (orientation: portrait) {
    .right {
        position: relative;
        object-fit: contain;
        animation: blink 3s infinite;

        height: 35vh;
        /* ✅ 高度随屏幕高度变化 */
        width: auto;
        /* 自动保持比例 */
        max-width: 70vw;
        /* 防止横向撑满 */

        margin-top: 5vw;
        margin-bottom: 5vh;
    }
}