.pc {
    display: block;
}

.phone {
    display: none;
}

@media (max-width: 767px) {
    .pc {
        display: none !important;
    }
    .phone {
        display: block !important;
    }
    .z1,
    .z2,
    .z3,
    .z4 {
        background-size: 100%;
        height: 80px;
        line-height: 80px;
        text-align: center;
        font-size: 30px;
    }
    .fw_right {
        padding: 50px 10px 0 10px;
        margin-left: 15px;
        margin-right: 10px;
        margin-top: 10px;
    }
    .fw_list div a h2 {
        font-size: 18px;
    }
    .news {
        background: #f7f7f7;
        padding: 20px 0;
    }
    .news_text h1 {
        font-size: 16px;
        line-height: 28px;
    }
    .news_text p {
        font-size: 12px;
        line-height: 20px;
    }
    .contact .container {
        padding-right: 0;
        padding-left: 0;
    }
    .contact_right {
        padding: 20px 15px;
    }
    .contact_tt h4 {
        font-size: 16px;
        line-height: 20px;
    }
    .contact_tt p {
        line-height: 20px;
        font-size: 12px;
    }
    .lx_con {
        margin-top: 20px;
    }
    .head_phone {
        font-size: 16px;
        padding: 15px 0 15px 40px;
        background-size: 25%;
        position: fixed;
        right: 20%;
        top: 0px;
    }
    .logo-sm-height {
        height: 45px;
    }
    .navbar-expand-lg .navbar-nav .nav-link {
        padding: 5px 38px;
    }
    .case_date p {
        font-size: 36px !important;
    }
    .case_cc h2 {
        font-size: 18px !important;
        line-height: 35px !important;
    }
    .case_cc p {
        line-height: 25px !important;
        text-align: justify !important;
    }
    .lx_left h1 {
        font-size: 24px;
        padding-left: 15px;
    }
    .link {
        margin-top: 20px;
    }
    .link span {
        font-size: 12px;
    }
}