@media screen and (max-width:767px) {
    body {
    }

    .qt-docs-nav {
        height: auto;
    }

        .qt-docs-nav .navbar-header {
            height: 50px;
            padding-left: 10px;
        }

            .qt-docs-nav .navbar-header img {
                height: 50px;
            }

    .navbar-nav {
        margin: 0px;
        padding: 0px;
    }

        .navbar-nav li {
            width: 100%;
            float: left;
            height: 42px;
            line-height: 42px;
            margin: 0px;
        }

            .navbar-nav li a {
                width: 100%;
                float: left;
                height: 42px;
                line-height: 42px;
                color: #5C5353;
                font-size: 14px;
            padding:0px;
            }

                .navbar-nav li a.cur, .navbar-nav li a:hover, .navbar-nav li a:active {
                    background-color: #E60012;
                    color: #fff;
                }




    .cert_box .swiper-slide {
        width: 50%;
        padding-left: 25px;
        padding-right: 25px;
    }

    .index_products ul li {
        width: 50%;
        float: left;
        list-style: none;
        padding: 10px;
    }

    .index_links .swiper-links .swiper-slide {
        width: 33.33%;
        float: left;
        padding: 10px;
    }
    .footer_links {
        display:none;
    }
}