.spc-out {
    height: 820px;
    position: relative;
}

.czkj-content-all-out{
    padding-top: 60px;
}

.bh_nav {
    height: 60px;
}

.bh_nav li {
    list-style: none;
}

.czkj-chat-input .czkj-enter-btn{
    top: auto;
    bottom: 7px;
    position: absolute;
}

@media screen and (max-width: 640px) {
    html, body {
        overflow: auto;
    }

    .bjmz_header {
        display: none;
    }

    .spc-out {
        height: 100%;
    }

    .bjmz_footer {
        display: none;
    }
}