.menu_icon,
.logo_320,
.text_320,
.intro_320,
.cs_320 {
    display: none;
}
.content_four_wrap * {
    margin: 0 auto;
    padding: 0;
    box-sizing: border-box;
}

.content_four {
    max-width: 1100px;
}

.content_four:after {
    content:'';
	display:block;
	clear:both;
}

.content_four .banner_link {
    width: 100%;
}

.content_four .banner_link a {
    float: left;
    width: 50%;
}

.content_four .banner_link a img {
    width: 100%;
}


@media (max-width: 575.98px) {
    .header .top_nav,
    .logo_576,
    .nav_box,
    .text_576,
    .intro_576,
    .content_five .consul,
    .content_five .cs_banner .cs_576,
    .gray,
    .bg_line:before,
    .bottom_intro {
        display: none;
    }
    .content_four .banner_link {
        margin-top: 0px;
        padding: 0;
    }

    .content_four .banner_link a {
        float: inherit;
        display: inline;
    }

    .content_four .banner_link a img {
        vertical-align: top;
    }

}


@media (min-width: 576px) and (max-width: 767.98px) {

    .top_nav,
    .nav_box,
    .text_320,
    .intro_320,
    .cs_320,
    .content_five .consul,
    .gray,
    .bg_line:before {
        display: none;
    }


    .content_four .banner_link {
        margin-top: 46px;
        padding: 0 12px;
    }

    .content_four .banner_link a {
        float: inherit;
        display: inline;
    }

    .content_four .banner_link a img {
        vertical-align: top;
    }
}