Selector('rect[x="4"]');
        var paths = modeIcon.querySelectorAll('path');
        var smallRect = modeIcon.querySelector('rect[x="30"]');
        var titleElement = modeIcon.querySelector('title');
        
        if (use_router_mode) {
            rect.setAttribute('fill', '#2F88FF');
            rect.setAttribute('stroke', '#333');
            paths[0].setAttribute('stroke', '#FFF');
            paths[1].setAttribute('stroke', '#333');
            paths[2].setAttribute('stroke', '#333');
          