{
  "levelId": "Level4",
  "name": "钢铁堡垒（工业场景）",
  "scene": "industrial",
  "description": "工业场景的高难度挑战，引入BOSS战和超高防御敌人",
  "backgroundImage": "images/LevelBackground/BG1",
  "availableWeapons": [
    "毛豆射手",
    "尖胡萝卜",
    "锯齿草",
    "西瓜炸弹",
    "回旋镖盆栽",
    "炙热辣椒",
    "仙人散弹",
    "秋葵导弹"
  ],
  "coinReward": 1000,
  "diamondReward": 80,
  "initialCoins": 45,
  "timeLimit": 300,
  "difficulty": "normal",
  "healthMultiplier": 1.6,
  "waves": [
    {
      "waveId": 1,
      "enemies": [
        {
          "enemyType": "normal_zombie",
          "count": 15,
          "spawnInterval": 2.0,
          "spawnDelay": 0.0,
          "characteristics": "中速移动, 无技能"
        },
        {
          "enemyType": "bucket_zombie",
          "count": 3,
          "spawnInterval": 10.0,
          "spawnDelay": 20.0,
          "characteristics": "超高生命, 极慢速移动"
        }
      ]
    },
    {
      "waveId": 2,
      "enemies": [
        {
          "enemyType": "roadblock_zombie",
          "count": 8,
          "spawnInterval": 4.0,
          "spawnDelay": 0.0,
          "characteristics": "高生命, 慢速移动"
        },
        {
          "enemyType": "mage_zombie",
          "count": 5,
          "spawnInterval": 6.0,
          "spawnDelay": 15.0,
          "characteristics": "远程魔法攻击, 中等生命"
        },
        {
          "enemyType": "bucket_zombie",
          "count": 4,
          "spawnInterval": 8.0,
          "spawnDelay": 25.0,
          "characteristics": "超高生命, 极慢速移动"
        }
      ]
    },
    {
      "waveId": 3,
      "enemies": [
        {
          "enemyType": "normal_zombie",
          "count": 10,
          "spawnInterval": 1.5,
          "spawnDelay": 0.0,
          "characteristics": "中速移动, 无技能"
        },
        {
          "enemyType": "roadblock_zombie",
          "count": 6,
          "spawnInterval": 3.5,
          "spawnDelay": 8.0,
          "characteristics": "高生命, 慢速移动"
        },
        {
          "enemyType": "bucket_zombie",
          "count": 5,
          "spawnInterval": 7.0,
          "spawnDelay": 20.0,
          "characteristics": "超高生命, 极慢速移动"
        }
      ]
    }
  ],
  "levelSettings": {
    "energyMax": 6,
    "energyExpValues": [
      10,
      15,
      20,
      25,
      30,
      35,
      40,
      45,
      50,
      55,
      60,
      65,
      70,
      75,
      80,
      85,
      90,
      95,
      100,
      105
    ],
    "energyMaxUpgrades": [
      7,
      8,
      9,
      10,
      11,
      12,
      13,
      14,
      15,
      16,
      17,
      18,
      19,
      20,
      21,
      22,
      23,
      24,
      25,
      26
    ]
  }
}