.skw {
    height: 820px;
    position: relative;
}
.top_w div, .nav_wrp div {
    box-sizing: content-box;
}

#czkj-question {
    height: 596px;
}

.czkj-top-name {
    color: #BD1A2D;
}

.czkj-question-ul .czkj-question-name {
    color: #404040;
}

@media screen and (max-width: 640px) {
    html, body {
        height: 100%;
        overflow: auto;
    }
    .skw {
        height: 100%;
    }

    .czkj-chat-left {
        border: none;
    }

    .mobile-top-name img {
        display: none;
    }

    .mobile-body-top {
        background-color: #BD1A2D;
    }
}