.pc {
    display: block;
}

.phone {
    display: none;
}

@media (max-width: 768px) {
    .pc {
        display: none;
    }

    .phone {
        display: block;
    }

    .logo-sm-height {
        height: 54px;
    }

    .swiper-slide img {
        height: 150px !important;
    }

    .navbar-expand-lg .navbar-nav .nav-link {
        padding: 10px 15px 0 15px;
        min-height: 40px;
    }

    .xiala {
        display: block !important;
        position: inherit;
        top: 0;
        padding-top: 0;
        width: 100%;
        text-align: left;
        padding: 0 25px;
        background-color: #fff;
    }

    .xiala li a {
        color: #69c;
        background-color: #fff;
    }

    .navbar-nav {
        height: 250px;
        overflow-y: auto;
    }
}