查询官方福利券模板（可领取）

{
  "code": 0,
  "data": {
    "total": 5,
    "page": 1,
    "list": [
      {
        "id": 1,
        "name": "10元通用券",
        "description": "全场通用",
        "face_value": 10.00,
        "currency": "CNY",
        "per_user_claim_limit": 1,
        "user_claimed_count": 0,
        "can_claim": true,
        "total_claimed": 125,
        "active_from": "2025-01-01 00:00:00",
        "active_to": "2025-12-31 23:59:59",
        "is_active": true,
        "created_at": "2025-01-15 10:30:00"
      }
    ]
  }
}