eft"></span><span class="text">toleft</span></nav>
                <nav data-class="icon-toright"><span class="icon icon-toright"></span><span class="text">toright</span></nav>
                <nav data-class="icon-totop"><span class="icon icon-totop"></span><span class="text">totop</span></nav>
                <nav data-class="icon-top1"><span class="icon icon-top1"></span><span class="text">top1</span></nav>
                <nav data-class="icon-unfold1"><span class="icon icon-unfold1"></span><span class=