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                <nav data-class="icon-upblock"><span class="icon icon-upblock"></span><span class="text">upblock</span></nav>
                <nav data-class="icon-weblock"><span class="icon icon-weblock"></span><span class="text">weblock</span></nav>
                <nav data-class="icon-weunblock"><span class="icon icon-weunblock"></span><span class="text">weunblock</span></nav>
                <nav data-class="icon-wechat1"><span class="icon icon-wechat1"></span><span c