.kt-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.kt-header {
  padding: 8px 12px;
  border-bottom: 1px solid #f0f0f0;
  background: #fafafa;
}

.kt-tree-wrapper {
  flex: 1;
  overflow-y: auto;
  padding: 8px 4px;
}

.kt-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  color: #999;
  font-size: 13px;
}

/* 节点文字 */
.kt-node-title {
  font-size: 13px;
  color: #3b4a3b;
}

/* 全部根节点高亮 */
.kt-node-root {
  font-weight: 600;
  color: #3b4a3b;
}

/* Tree 选中态 */
.kt-container .ant-tree-node-selected .kt-node-title {
  color: #6b8e6b;
  font-weight: 600;
}