.sim-tree {
  list-style: none;
  font-size: 14px;
  color: #333; }
  .sim-tree ul,
  .sim-tree li {
    margin: 0;
    padding: 0; }
  .sim-tree li {
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    font-size: 0; }
    .sim-tree li ul {
      display: none;
      margin-left: 15px; }
  .sim-tree ul.show, .sim-tree li.show {
    display: block; }
  .sim-tree ul.none, .sim-tree li.none {
    display: none; }
  .sim-tree li.disabled > a {
    color: #aaa;
    cursor: not-allowed; }
    .sim-tree li.disabled > a .sim-tree-checkbox {
      border-color: #eee; }
  .sim-tree a {
    font-size: 14px;
    color: #333;
    text-decoration: none;
    vertical-align: top;
    line-height: 26px; }
  .sim-tree .sim-tree-spread {
    width: 20px;
    padding-left: 5px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box; }
    .sim-tree .sim-tree-spread.hidden {
      visibility: hidden; }
  .sim-tree .sim-tree-spread,
  .sim-tree a {
    display: inline-block;
    height: 26px;
    cursor: pointer; }
  .sim-tree .layui-icon-d:before,
  .sim-tree .layui-icon-r:before {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border: 6px solid transparent;
    vertical-align: top;
    position: relative; }
  .sim-tree .layui-icon-r:before {
    border-left-width: 8px;
    border-left-color: #333;
    top: 7px; }
  .sim-tree .layui-icon-d:before {
    margin-left: -4px;
    border-top-color: #333;
    top: 10px; }
  .sim-tree .sim-tree-checkbox {
    display: inline-block;
    border: 1px solid #ccc;
    height: 16px;
    width: 16px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    text-align: center;
    line-height: 16px;
    background: #fff;
    color: #fff;
    vertical-align: middle;
    margin-right: 6px;
    margin-top: -2px; }
    .sim-tree .sim-tree-checkbox.sim-tree-semi, .sim-tree .sim-tree-checkbox.checked {
      border-color: #2b85e4;
      background-color: #2b85e4; }
    .sim-tree .sim-tree-checkbox.sim-tree-semi {
      position: relative; }
      .sim-tree .sim-tree-checkbox.sim-tree-semi:after {
        content: '';
        display: block;
        position: absolute;
        width: 8px;
        height: 2px;
        background: #fff;
        top: 6px;
        left: 3px; }
    .sim-tree .sim-tree-checkbox.checked {
      background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAMAAABhq6zVAAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAPFBMVEUAAAD///////////////////////////////////////////////////////////////////////8AAADY904BAAAAE3RSTlMAOiE8877cHQkXr9cZQvUc20NAbrhSVAAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACxIAAAsSAdLdfvwAAAA7SURBVAjXY2DADhiZEGxmFlYkNhs7KpuDE0mci5sHoYaXj5sHyOaHqOblE4CzGRgE+RBsBgYhfmxuAABcBQF5T7U3IwAAAABJRU5ErkJggg==);
      background-repeat: no-repeat;
      background-position: center center; }