@charset "UTF-8";
.dd {
  position: relative;
  display: block;
  max-width: 600px;
  margin: 0;
  padding: 0;
  font-size: 13px;
  line-height: 20px;
  list-style: none; }

.dd-list {
  position: relative;
  display: block;
  margin: 0;
  padding: 0;
  list-style: none; }

.dd-item,
.dd-empty,
.dd-placeholder {
  position: relative;
  display: block;
  min-height: 30px;
  margin: 0;
  padding: 0 0 0 30px;
  font-size: 13px;
  line-height: 20px; }

.dd-handle {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 30px;
  height: 30px;
  margin: 0;
  background: linear-gradient(180deg, #ddd 0%, #bbb 100%);
  border: 1px solid #ccc;
  border-radius: 3px;
  box-sizing: border-box;
  overflow: hidden;
  font-weight: bold;
  color: #333;
  text-decoration: none;
  text-indent: 30px;
  white-space: nowrap;
  cursor: pointer; }
  .dd-handle:before {
    content: '≡';
    position: absolute;
    top: 4px;
    left: 0;
    display: block;
    width: 100%;
    font-size: 20px;
    font-weight: normal;
    color: #fff;
    text-align: center;
    text-indent: 0; }
  .dd-handle:hover {
    background: #ddd;
    color: #2ea8e5; }

.dd-content {
  display: block;
  margin: 5px 0;
  padding: 5px 10px 5px 40px;
  background: linear-gradient(180deg, #fafafa 0%, #eee 100%);
  border: 1px solid #ccc;
  border-radius: 3px;
  font-weight: bold;
  color: #333;
  text-decoration: none;
  line-height: 18px; }
  .dd-content:hover {
    background: #fff;
    color: #2ea8e5; }

.dd-content-more {
  display: none;
  margin-top: 10px; }

.dd-item > button {
  position: relative;
  float: left;
  width: 25px;
  height: 20px;
  margin: 5px 0;
  padding: 0;
  background: transparent;
  border: 0;
  overflow: hidden;
  font-size: 12px;
  font-weight: bold;
  line-height: 1;
  text-align: center;
  text-indent: 100%;
  white-space: nowrap;
  cursor: pointer; }
  .dd-item > button:before {
    position: absolute;
    display: block;
    width: 100%;
    text-align: center;
    text-indent: 0; }
  .dd-item > button.dd-expand:before {
    content: '+'; }
  .dd-item > button.dd-collapse:before {
    content: '-'; }
  .dd-item > button.dd-expand-content:before {
    content: '+'; }
  .dd-item > button.dd-collapse-content:before {
    content: '-'; }

.dd-expand {
  display: none; }

.dd-collapsed .dd-list,
.dd-collapsed .dd-collapse {
  display: none; }

.dd-collapsed .dd-expand {
  display: block; }

.dd-collapse-content {
  display: none; }

.dd-expanded-content > .dd-collapse-content {
  display: block; }

.dd-expanded-content > .dd-expand-content {
  display: none; }

.dd-empty,
.dd-placeholder {
  min-height: 30px;
  margin: 5px 0;
  padding: 0;
  background: #f2fbff;
  border: 1px dashed #b6bcbf;
  box-sizing: border-box; }

.dd-empty {
  min-height: 100px;
  background-color: #e5e5e5;
  background-size: 60px 60px;
  background-position: 0 0, 30px 30px;
  border: 1px dashed #bbb; }

.dd-dragel {
  position: absolute;
  z-index: 9999;
  pointer-events: none; }
  .dd-dragel > .dd-item .dd-handle {
    margin-top: 0; }
  .dd-dragel .dd-handle {
    box-shadow: 2px 4px 6px 0 rgba(0, 0, 0, 0.1); }

.dd-nochildren .dd-placeholder {
  display: none; }