.pc {
    display: block;
}

.phone {
    display: none;
}

@media screen and (max-width: 700px) {
    .pc {
        display: none !important;
    }

    .phone {
        display: block !important;
    }

    #cs_online {
        display: none !important;
    }

    .navbar {
        background: rgba(194, 194, 194, 0.9);
    }

    .nav-link {
        padding: 10px 55px !important;
    }

    .logo-sm-height {
        height: 50px;
        margin-top: 0;
    }

    .index-news,
    .index-pro {
        padding: 0px 0;
    }

    .wkaaa,
    .wkbbb,
    .wkccc {
        display: block !important;
    }

    .wrapper {
        margin: 0px;
    }

    .ab_con {
        padding-right: 15px;
        padding-left: 15px;
    }

    .ab_pic {
        padding: 50px 15px 0px 15px !important;
    }

    .ab_pic iframe {
        height: auto;
        width: 100%;
    }

    .footer {
        display: none;
    }

    .tit {
        min-height: 100px;
    }

    .Article {
        overflow: auto;
        margin: 1px auto 50px auto;
        width: auto;
        padding: 35px;
        box-shadow: 0px 2px 10px rgb(0 0 0 / 30%);
    }

    .down_a {
        overflow: hidden;
        width: 100%;
        margin-top: 0px;
    }

    .down_b {
        overflow: hidden;
        width: 100%;
        padding-bottom: 50px;
        margin-right: 0px;
    }

    .flex-bet {
        display: block;
    }
}