.f-ke {
    display: none;
}

@media (max-width:991px) {
    .f-ke {
        width: 100%;
        float: left;
        position: fixed;
        bottom: 0;
        height: 40px;
        line-height: 40px;
        display: block;
        z-index: 99999;
    }

    .f-ke ul li {
        width: 50%;
        float: left;
        text-align: center;
        line-height: 40px;
        background-color: var(--f-ke-bg-color);
    }

    .f-ke ul li.f-ke_a {
        background-color: var(--theme-color);
    }

    .f-ke ul li a {
        color: #fff;
    }
}