{
  "line_name": "南京线",
  "cities": [
    "南京市",
    "镇江市"
  ],
  "must_visit_count": 23,
  "duration": "6-7 天",
  "transport": "高铁（北京南→南京南，约 3.5-4 小时）",
  "hotels": {
    "comfortable": "全季酒店（南京新街口店/南京南站店）",
    "premium": "桔子水晶（南京新街口店）",
    "room_type": "亲子房（1.5 米 +1.2 米床）"
  },
  "nanjing_must_visit": [
    {
      "name": "明城墙",
      "type": "国保",
      "duration": "2 小时",
      "highlight": "中华门、台城段"
    },
    {
      "name": "瞻园",
      "type": "国保",
      "duration": "1.5 小时",
      "highlight": "金陵第一园"
    },
    {
      "name": "朝天宫",
      "type": "国保",
      "duration": "1.5 小时",
      "highlight": "江南第一文庙"
    },
    {
      "name": "夫子庙",
      "type": "国保",
      "duration": "2 小时",
      "highlight": "秦淮风光、孔庙"
    },
    {
      "name": "栖霞寺舍利塔",
      "type": "国保",
      "duration": "2 小时",
      "highlight": "南朝佛教艺术"
    },
    {
      "name": "灵谷寺无梁殿",
      "type": "国保",
      "duration": "1.5 小时",
      "highlight": "明代无梁建筑"
    },
    {
      "name": "鸡鸣寺",
      "type": "国保",
      "duration": "1.5 小时",
      "highlight": "南朝四百八十寺之首"
    },
    {
      "name": "南京博物院",
      "type": "博物馆",
      "duration": "4 小时",
      "highlight": "中国三大博物馆之一"
    },
    {
      "name": "中山陵",
      "type": "备选",
      "duration": "2 小时",
      "highlight": "孙中山陵墓"
    },
    {
      "name": "明孝陵",
      "type": "备选",
      "duration": "2 小时",
      "highlight": "明太祖陵墓"
    },
    {
      "name": "总统府",
      "type": "备选",
      "duration": "2 小时",
      "highlight": "民国历史"
    },
    {
      "name": "大报恩寺遗址",
      "type": "备选",
      "duration": "2 小时",
      "highlight": "琉璃塔遗址"
    },
    {
      "name": "南京市博物馆",
      "type": "博物馆",
      "duration": "2 小时",
      "highlight": "六朝文化"
    },
    {
      "name": "南京大屠杀纪念馆",
      "type": "博物馆",
      "duration": "2 小时",
      "highlight": "历史教育"
    },
    {
      "name": "雨花台烈士陵园",
      "type": "备选",
      "duration": "1.5 小时",
      "highlight": "革命纪念地"
    }
  ],
  "zhenjiang_must_visit": [
    {
      "name": "金山寺",
      "type": "国保",
      "duration": "2 小时",
      "highlight": "白娘子水漫金山"
    },
    {
      "name": "北固山甘露寺",
      "type": "国保",
      "duration": "1.5 小时",
      "highlight": "刘备招亲"
    },
    {
      "name": "焦山碑林",
      "type": "国保",
      "duration": "2 小时",
      "highlight": "书法艺术宝库"
    },
    {
      "name": "西津渡古街",
      "type": "国保",
      "duration": "2 小时",
      "highlight": "千年古渡口"
    },
    {
      "name": "昭关石塔",
      "type": "国保",
      "duration": "1 小时",
      "highlight": "元代石塔"
    },
    {
      "name": "梦溪园",
      "type": "国保",
      "duration": "1.5 小时",
      "highlight": "沈括故居"
    },
    {
      "name": "镇江博物馆",
      "type": "博物馆",
      "duration": "2 小时",
      "highlight": "吴文化、青铜器"
    },
    {
      "name": "镇江中国醋文化博物馆",
      "type": "博物馆",
      "duration": "1.5 小时",
      "highlight": "镇江香醋文化"
    }
  ],
  "plan_a": {
    "name": "轻松休闲版",
    "duration": "6 天",
    "features": "只覆盖必去景点，节奏轻松，午休 2 小时+",
    "daily_plan": [
      {
        "day": 1,
        "title": "北京→南京，初探金陵",
        "schedule": [
          {
            "time": "07:00-11:00",
            "activity": "北京南→南京南（高铁 Gxx 次）",
            "duration": "4 小时"
          },
          {
            "time": "11:00-12:00",
            "activity": "南京南→酒店（地铁/打车）",
            "duration": "1 小时"
          },
          {
            "time": "12:00-13:30",
            "activity": "午餐（南京大牌档）",
            "duration": "1.5 小时"
          },
          {
            "time": "13:30-15:30",
            "activity": "酒店休息/午休",
            "duration": "2 小时"
          },
          {
            "time": "15:30-18:00",
            "activity": "夫子庙 + 秦淮风光带",
            "duration": "2.5 小时"
          },
          {
            "time": "18:00-19:30",
            "activity": "晚餐（奇芳阁）",
            "duration": "1.5 小时"
          }
        ],
        "coverage": "夫子庙",
        "walking": "约 5km"
      },
      {
        "day": 2,
        "title": "南京博物院 + 明城墙",
        "schedule": [
          {
            "time": "08:00-09:00",
            "activity": "早餐",
            "duration": "1 小时"
          },
          {
            "time": "09:00-13:00",
            "activity": "南京博物院（需预约）",
            "duration": "4 小时"
          },
          {
            "time": "13:00-14:30",
            "activity": "午餐 + 午休",
            "duration": "1.5 小时"
          },
          {
            "time": "14:30-16:30",
            "activity": "明城墙（中华门段）",
            "duration": "2 小时"
          },
          {
            "time": "16:30-18:00",
            "activity": "瞻园（金陵第一园）",
            "duration": "1.5 小时"
          },
          {
            "time": "18:00-19:30",
            "activity": "晚餐（老门东）",
            "duration": "1.5 小时"
          }
        ],
        "coverage": "南京博物院、明城墙、瞻园",
        "walking": "约 8km"
      },
      {
        "day": 3,
        "title": "钟山风景区",
        "schedule": [
          {
            "time": "08:00-09:00",
            "activity": "早餐",
            "duration": "1 小时"
          },
          {
            "time": "09:00-11:30",
            "activity": "中山陵（需预约）",
            "duration": "2.5 小时"
          },
          {
            "time": "11:30-13:00",
            "activity": "午餐 + 午休",
            "duration": "1.5 小时"
          },
          {
            "time": "13:00-15:00",
            "activity": "明孝陵",
            "duration": "2 小时"
          },
          {
            "time": "15:00-16:30",
            "activity": "灵谷寺无梁殿",
            "duration": "1.5 小时"
          },
          {
            "time": "16:30-18:00",
            "activity": "休息/自由活动",
            "duration": "1.5 小时"
          },
          {
            "time": "18:00-19:30",
            "activity": "晚餐",
            "duration": "1.5 小时"
          }
        ],
        "coverage": "中山陵、明孝陵、灵谷寺无梁殿",
        "walking": "约 10km"
      },
      {
        "day": 4,
        "title": "朝天宫 + 鸡鸣寺 + 南京大屠杀纪念馆",
        "schedule": [
          {
            "time": "08:00-09:00",
            "activity": "早餐",
            "duration": "1 小时"
          },
          {
            "time": "09:00-10:30",
            "activity": "朝天宫（江南第一文庙）",
            "duration": "1.5 小时"
          },
          {
            "time": "10:30-12:00",
            "activity": "南京市博物馆",
            "duration": "1.5 小时"
          },
          {
            "time": "12:00-13:30",
            "activity": "午餐 + 午休",
            "duration": "1.5 小时"
          },
          {
            "time": "13:30-15:30",
            "activity": "南京大屠杀纪念馆（需预约）",
            "duration": "2 小时"
          },
          {
            "time": "15:30-17:00",
            "activity": "鸡鸣寺",
            "duration": "1.5 小时"
          },
          {
            "time": "17:00-18:30",
            "activity": "晚餐",
            "duration": "1.5 小时"
          }
        ],
        "coverage": "朝天宫、南京市博物馆、南京大屠杀纪念馆、鸡鸣寺",
        "walking": "约 7km"
      },
      {
        "day": 5,
        "title": "南京→镇江，金山寺",
        "schedule": [
          {
            "time": "08:00-09:00",
            "activity": "早餐 + 退房",
            "duration": "1 小时"
          },
          {
            "time": "09:00-10:00",
            "activity": "南京→镇江（高铁/打车）",
            "duration": "1 小时"
          },
          {
            "time": "10:00-11:00",
            "activity": "酒店放行李",
            "duration": "1 小时"
          },
          {
            "time": "11:00-12:30",
            "activity": "午餐",
            "duration": "1.5 小时"
          },
          {
            "time": "12:30-14:30",
            "activity": "午休",
            "duration": "2 小时"
          },
          {
            "time": "14:30-16:30",
            "activity": "金山寺（白娘子水漫金山）",
            "duration": "2 小时"
          },
          {
            "time": "16:30-18:00",
            "activity": "西津渡古街",
            "duration": "1.5 小时"
          },
          {
            "time": "18:00-19:30",
            "activity": "晚餐（镇江锅盖面）",
            "duration": "1.5 小时"
          }
        ],
        "coverage": "金山寺、西津渡古街",
        "walking": "约 6km"
      },
      {
        "day": 6,
        "title": "北固山 + 焦山 + 返程",
        "schedule": [
          {
            "time": "08:00-09:00",
            "activity": "早餐 + 退房",
            "duration": "1 小时"
          },
          {
            "time": "09:00-10:30",
            "activity": "北固山甘露寺（刘备招亲）",
            "duration": "1.5 小时"
          },
          {
            "time": "10:30-12:00",
            "activity": "焦山碑林",
            "duration": "1.5 小时"
          },
          {
            "time": "12:00-13:30",
            "activity": "午餐",
            "duration": "1.5 小时"
          },
          {
            "time": "13:30-15:00",
            "activity": "镇江博物馆/醋文化博物馆",
            "duration": "1.5 小时"
          },
          {
            "time": "15:00-16:00",
            "activity": "镇江→南京南/返程",
            "duration": "1 小时"
          }
        ],
        "coverage": "北固山甘露寺、焦山碑林、镇江博物馆",
        "walking": "约 7km"
      }
    ]
  },
  "plan_b": {
    "name": "标准充实版",
    "duration": "6 天",
    "features": "必去 + 部分备选（总统府、大报恩寺）",
    "daily_plan": [
      {
        "day": 1,
        "title": "北京→南京，夫子庙",
        "coverage": "夫子庙 + 总统府"
      },
      {
        "day": 2,
        "title": "南京博物院 + 明城墙",
        "coverage": "南京博物院、明城墙、瞻园"
      },
      {
        "day": 3,
        "title": "钟山风景区",
        "coverage": "中山陵、明孝陵、灵谷寺、大报恩寺"
      },
      {
        "day": 4,
        "title": "朝天宫 + 鸡鸣寺 + 纪念馆",
        "coverage": "朝天宫、鸡鸣寺、南京大屠杀纪念馆"
      },
      {
        "day": 5,
        "title": "南京→镇江，金山寺",
        "coverage": "金山寺、西津渡"
      },
      {
        "day": 6,
        "title": "北固山 + 焦山 + 返程",
        "coverage": "北固山、焦山碑林、镇江博物馆"
      }
    ]
  },
  "plan_c": {
    "name": "紧凑丰富版",
    "duration": "6 天",
    "features": "必去 + 更多备选（雨花台、栖霞寺等）",
    "daily_plan": [
      {
        "day": 1,
        "title": "北京→南京，夫子庙 + 总统府",
        "coverage": "夫子庙、总统府、雨花台"
      },
      {
        "day": 2,
        "title": "南京博物院 + 明城墙",
        "coverage": "南京博物院、明城墙、瞻园"
      },
      {
        "day": 3,
        "title": "钟山风景区 + 栖霞寺",
        "coverage": "中山陵、明孝陵、灵谷寺、栖霞寺"
      },
      {
        "day": 4,
        "title": "朝天宫 + 鸡鸣寺 + 纪念馆",
        "coverage": "朝天宫、鸡鸣寺、南京大屠杀纪念馆"
      },
      {
        "day": 5,
        "title": "南京→镇江，金山寺",
        "coverage": "金山寺、西津渡、梦溪园"
      },
      {
        "day": 6,
        "title": "北固山 + 焦山 + 返程",
        "coverage": "北固山、焦山碑林、昭关石塔、镇江博物馆"
      }
    ]
  }
}