.group-manager-container{display:flex;height:600px}.group-panel{width:300px;border-right:1px solid #e4e7ed;display:flex;flex-direction:column}.station-panel{flex:1;display:flex;flex-direction:column}.panel-header{background:#1e4088;color:#fff;padding:10px 15px;font-weight:700}.group-input-area{display:flex;gap:10px;padding:10px}.group-input-area .el-input{flex:1}.group-list{flex:1;overflow-y:auto;border:1px solid #eee}.list-header{background:#eee;padding:12px;font-size:12px;color:#606266}.list-header.ungrouped{margin-top:10px}.group-item{display:flex;justify-content:space-between;align-items:center;padding:0 12px;cursor:pointer;border-bottom:1px solid #f0f0f0;margin:5px}.group-item:hover{background:#f5f7fa}.group-item.active{background:#e3f2fd}.station-select{padding:10px 0;padding-left:20px}.point-list{flex:1;overflow-y:auto;padding-left:20px}.point-item{padding:8px 12px;border-bottom:1px solid #f0f0f0}.point-item:hover{background:#f5f7fa}.ungrouped-section{margin-top:10px}