.pc {
    display: block;
}

.phone {
    display: none;
}

@media only screen and (max-width: 576px) {
    .pc {
        display: none !important;
    }

    .phone {
        display: block !important;
    }

    .logo-sm-height {
        height: 55px;
    }

    .form-inline {
        position: absolute;
        top: 20px;
        right: 0;
    }

    .nav-link {
        padding: 5px !important;
        font-size: 14px;
    }

    .pro_ll p {
        font-size: 14px;
        font-weight: 100;
        line-height: 45px;
    }

    .video {
        padding: 20px;
    }

    .video_center iframe {
        height: 200px !important;
        margin-bottom: 20px;
    }

    p.pro_titles,
    p.news_titles {
        font-size: 22px !important;
    }

    .about {
        padding: 50px 0;
    }

    .wrapper {
        width: 100%;
        padding: 0;
    }

    .about .col-md-6 {
        margin-top: 20px;
    }

    .ab_jj {
        padding-right: 0px;
        font-size: 14px;
        line-height: 30px;
    }

    .business {
        padding: 20px 0;
    }

    .applyfl {
        padding-top: 50px;
    }

    .news_l {
        display: none;
    }

    .n_day {
        margin: 0px;
    }

    .n_tt {
        font-size: 14px;
        margin-bottom: 5px;
    }

    .n_nr {
        font-size: 12px;
        line-height: 20px;
    }
}