.pc {
    display: block;
}

.phone {
    display: none;
}

@media screen and (max-width: 700px) {

    .pc {
        display: none !important;
    }

    .phone {
        display: block !important;
    }

    .navbar {
        padding: 0 5px;
    }

    .navbar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .nav-item {
        padding: 10px 0;
        width: 30%;
    }

    .shouji {
        display: none;
    }

    /*  */

    .pro img {
        height: 240px;
    }

    .pro_tit1 {
        padding: 0 10px;
        padding-top: 80px;
    }

    .pro_tit2 {
        padding: 0 10px;
        padding-top: 80px;
    }

    /*  */

    .about {
        padding: 0 0 60px 0;
    }

    .download {
        margin: auto;
    }

    /*  */

    .hxjsys h1 {
        font-size: 38px;
    }

    .hxjsys h2 {
        font-size: 16px;
    }

    .dyyy {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .dyyy .dy {
        width: 100%;
        height: 250px;

    }

    .dyyy #dy1,
    .dyyy #dy2,
    .dyyy #dy3,
    .dyyy #dy4 {
        background-size: 100% 100%;
    }

    .dyyy #dy1:hover,
    .dyyy #dy2:hover,
    .dyyy #dy3:hover,
    .dyyy #dy4:hover {
        width: 100%;
    }

    .dyyy .dy div {
        padding: 60px 0;
    }

    .dyyy .dy div h1 {
        font-size: 20px;
    }

    .dyyy .dy .more {
        display: block;
        border: 1px solid #fff;
        color: #fff;
        border-radius: 50px;
        width: 160px;
        padding: 5px 0;
        margin: auto;
        font-size: 18px;
    }

    /*  */

    .new {
        background-size: auto;
        background-position: center;
    }

    .new .new_con h5 {
        font-size: 22px;
    }

    .new .new_con p {
        font-size: 14px;
    }

    /*  */

    .container-fluid {
        background-color: #2a3645;
        border-top: 1px solid #fff;
    }

    .copyright {
        display: none;
    }
}