group嵌套定位问题echarts 配置项内容和展示

配置项如下
      option = {
    "graphic": {
        "elements": [{
                "type": "group",
                "top": 60,
                "left": "150",
                "children": [{
                        "type": "circle",
                        "shape": {
                            "cx": 0,
                            "cy": 0,
                            "r": 10
                        },
                        "style": {
                            "fill": "#00bcbc"
                        }
                    },
                    {
                        "type": "text",
                        "style": {
                            "x": 20,
                            "y": -5,
                            "text": "整车在途运输",
                            "textVerticalAlign": "bottom",
                            "font": "14px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                        }
                    },
                    {
                        "type": "text",
                        "style": {
                            "x": 20,
                            "y": 5,
                            "text": 0,
                            "textVerticalAlign": "top",
                            "font": "14px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                        }
                    },
                    {
                        "type": "line",
                        "z": -1,
                        "shape": {
                            "x1": 0,
                            "y1": 0,
                            "x2": 0,
                            "y2": 120
                        },
                        "style": {
                            "lineWidth": 3,
                            "stroke": "#dcdcdc"
                        }
                    }
                ]
            },
            {
                "type": "group",
                "top": 180,
                "left": 150,
                "children": [{
                        "type": "circle",
                        "shape": {
                            "cx": 0,
                            "cy": 0,
                            "r": 10
                        },
                        "style": {
                            "fill": "#00bcbc"
                        }
                    },
                    {
                        "type": "text",
                        "style": {
                            "x": 20,
                            "y": -5,
                            "text": "实际到达CDC",
                            "textVerticalAlign": "bottom",
                            "font": "14px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                        }
                    },
                    {
                        "type": "text",
                        "style": {
                            "x": 20,
                            "y": 5,
                            "text": 0,
                            "textVerticalAlign": "top",
                            "font": "14px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                        }
                    },
                    {
                        "type": "line",
                        "z": -1,
                        "shape": {
                            "x1": 0,
                            "y1": 0,
                            "x2": 0,
                            "y2": 120
                        },
                        "style": {
                            "lineWidth": 3,
                            "stroke": "#dcdcdc"
                        }
                    },
                    {
                        "type": "group",
                        "top": -46,
                        "left": -124,
                        "children": [{
                                "type": "text",
                                "style": {
                                    "x": 0,
                                    "y": -4,
                                    "text": "上海",
                                    "textAlign": "right",
                                    "textVerticalAlign": "bottom",
                                    "font": "12px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                                }
                            },
                            {
                                "type": "text",
                                "style": {
                                    "x": 0,
                                    "y": 4,
                                    "text": 0,
                                    "textAlign": "right",
                                    "textVerticalAlign": "top",
                                    "font": "12px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                                }
                            },
                            {
                                "type": "polyline",
                                "shape": {
                                    "points": [
                                        [
                                            0,
                                            0
                                        ],
                                        [
                                            30,
                                            0
                                        ],
                                        [
                                            30,
                                            30
                                        ],
                                        [
                                            100,
                                            30
                                        ]
                                    ]
                                },
                                "style": {
                                    "lineWidth": 2,
                                    "stroke": "#b7e8ea"
                                }
                            }
                        ]
                    },
                    {
                        "type": "group",
                        "top": -3,
                        "left": -124,
                        "children": [{
                                "type": "text",
                                "style": {
                                    "x": 0,
                                    "y": -4,
                                    "text": "北京",
                                    "textAlign": "right",
                                    "textVerticalAlign": "bottom",
                                    "font": "12px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                                }
                            },
                            {
                                "type": "text",
                                "style": {
                                    "x": 0,
                                    "y": 4,
                                    "text": 0,
                                    "textAlign": "right",
                                    "textVerticalAlign": "top",
                                    "font": "12px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                                }
                            },
                            {
                                "type": "polyline",
                                "shape": {
                                    "points": [
                                        [
                                            0,
                                            0
                                        ],
                                        [
                                            30,
                                            0
                                        ],
                                        [
                                            30, -30
                                        ],
                                        [
                                            100, -30
                                        ]
                                    ]
                                },
                                "style": {
                                    "lineWidth": 2,
                                    "stroke": "#b7e8ea"
                                }
                            }
                        ]
                    }
                ]
            },
            {
                "type": "group",
                "top": 300,
                "left": "150",
                "children": [{
                        "type": "circle",
                        "shape": {
                            "cx": 0,
                            "cy": 0,
                            "r": 10
                        },
                        "style": {
                            "fill": "#00bcbc"
                        }
                    },
                    {
                        "type": "text",
                        "style": {
                            "x": 20,
                            "y": -5,
                            "text": "交付用户",
                            "textVerticalAlign": "bottom",
                            "font": "14px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                        }
                    },
                    {
                        "type": "text",
                        "style": {
                            "x": 20,
                            "y": 5,
                            "text": 10,
                            "textVerticalAlign": "top",
                            "font": "14px \"Blue Sky Standard Regular\", \"Noto Sans SC Regular\""
                        }
                    }
                ]
            }
        ]
    }
};
    
截图如下