@media (min-width: 751px) {
    .moblie {
        display: none;
    }

    .pc {
        display: flex !important;
        justify-content: center;
        align-items: center;
        padding-bottom: 1.17vw;
        min-height: 100vh;
        background-image: url(./img/pc_background.png);
        background-size: 100% 100%;
    }
    .pc_middle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .pc_header {

    }

    .pc_link_list {
        margin-top: 0.78vw;
        display: flex;
    }

    .pc_link {
        cursor: pointer;
        position: relative;
        padding-bottom: 1.17vw;
        display: flex;
        justify-content: center;
        width: 10.47vw;
        height: 12.03vw;
        background-image: url(./img/Signal_bg.png);
        background-size: 100% 100%;
    }

    .pc_Signal {
        position: relative;
        margin-top: 1.95vw;
        padding-right: 0.2vw;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 3.9vw;
        height: 3.9vw;
        color: #29db4f;
        font-size: 0.94vw;
        background: url(./img/Signal_bg1.png);
        background-size: 100% 100%;
    }

    .pc_line {
        padding-left: 0.2vw;
        position: absolute;
        width: 5.86vw;
        color: #fff;
        font-size: 1.09vw;
        bottom: -2.34vw;
        text-align: center;
    }

    .Signal1 {
        width: 1.76vw;
        height: 1.76vw;
        background-image: url(./img/Signal1.png);
        background-size: 100% 100%;
    }
    .Signal3 {
        width: 1.76vw;
        height: 1.76vw;
        background-image: url(./img/Signal3.png);
        background-size: 100% 100%;
    }

    .Signal4 {
        width: 1.76vw;
        height: 1.76vw;
        background-image: url(./img/Signal4.png);
        background-size: 100% 100%;
    }

    .pc_link:last-child {
        margin-right: 0;
    }

    .join_text {
        position: absolute;
        font-size: 1.17vw;
        bottom: 0.66vw;
        color: #513915;
    }

    .tool_btn {
        margin-top: 4vw;
        display: flex;
        justify-content: center;
    }

    .download {
        position: relative;
        margin-right: 3.12vw;
        width: 12vw;
        height: 4.5vw;
        cursor: pointer;
    }
    .qrcode {
        position: absolute;
        top: -2vw;
        left: -10vw;
        visibility: hidden;
    }

    .download:hover .qrcode {
        visibility: visible;
    }

    .customer {
        width: 12vw;
        height: 4.5vw;
        cursor: pointer;
    }

    img {
        width: 100%;
        height: 100%;
    }

    a {
        margin-right: 1.17vw;
        text-decoration: none;
    }

    .qrcode {
        width: 8vw;
        height: 8vw;
    }
}