rid-demo-bg1">偏移5列</div>
    </div>
    <div class="layui-col-md1">
      <div class="grid-demo">不偏移</div>
    </div>
  </div>

  <br>

  <div class="layui-row">
    <div class="layui-col-md3 layui-col-md-offset3">
      <div class="grid-demo grid-demo-bg1">偏移3列</div>
    </div>
    <div class="layui-col-md3 layui-col-md-offset1">
      <div class="grid-demo">偏移1列</div>
    </div>
  </div>

  <fieldset class="layui-elem-field layui-field-title">
    <legend>嵌套</legend>
  </fields