diff --git a/.swagger/hl-payment-service.json b/.swagger/hl-payment-service.json
index 7955d8f..ccb67bc 100644
--- a/.swagger/hl-payment-service.json
+++ b/.swagger/hl-payment-service.json
@@ -6,14 +6,14 @@
   },
   "basePath": "/",
   "paths": {
-    "/admin/product/item": {
+    "/admin/product/item/basic": {
       "post": {
         "tags": [
           "管理端 - 产品管理"
         ],
-        "summary": "创建产品",
-        "description": "创建产品草稿，自动生成产品编号（C/G/D+日期+序号），返回产品ID。\n\n**涉及字典：**\n- product_type: CORE=核心产品, GROUP=小蒙马跟团游, CUSTOM=私人定制",
-        "operationId": "createProductUsingPOST",
+        "summary": "Step1 基础信息保存",
+        "description": "创建+更新合一接口。\n\n**创建**：productId不传，productType必传，返回新产品ID。\n**更新**：productId传已有ID，返回原产品ID。\n\n**涉及字典：**\n- product_type: CORE=核心产品, GROUP=小蒙马跟团游, CUSTOM=私人定制\n- product_season: spring=春, summer=夏, autumn=秋, winter=冬\n- product_tag: 亲子/研学/自驾/摄影/草原/高原 等\n- payment_type: FULL=全款支付, DEPOSIT=订金+尾款",
+        "operationId": "saveBasicUsingPOST",
         "consumes": [
           "application/json"
         ],
@@ -27,8 +27,8 @@
             "description": "req",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/管理端 - 创建产品请求",
-              "originalRef": "管理端 - 创建产品请求"
+              "$ref": "#/definitions/管理端 - Step1 基础信息保存",
+              "originalRef": "管理端 - Step1 基础信息保存"
             }
           }
         ],
@@ -411,93 +411,6 @@
         "x-order": "2147483647"
       }
     },
-    "/admin/product/item/{id}/basic": {
-      "put": {
-        "tags": [
-          "管理端 - 产品管理"
-        ],
-        "summary": "Step1 基础信息保存",
-        "description": "保存产品基础信息。需传version做乐观锁校验，版本不一致返回错误提示刷新。\n\n**涉及字典：**\n- product_season: spring=春, summer=夏, autumn=秋, winter=冬\n- product_tag: 亲子/研学/自驾/摄影/草原/高原 等\n- payment_type: FULL=全款支付, DEPOSIT=订金+尾款",
-        "operationId": "updateBasicUsingPUT",
-        "consumes": [
-          "application/json"
-        ],
-        "produces": [
-          "*/*"
-        ],
-        "parameters": [
-          {
-            "name": "id",
-            "in": "path",
-            "description": "id",
-            "required": true,
-            "type": "integer",
-            "format": "int64"
-          },
-          {
-            "in": "body",
-            "name": "req",
-            "description": "req",
-            "required": true,
-            "schema": {
-              "$ref": "#/definitions/管理端 - Step1 基础信息保存",
-              "originalRef": "管理端 - Step1 基础信息保存"
-            }
-          }
-        ],
-        "responses": {
-          "200": {
-            "description": "OK",
-            "schema": {
-              "$ref": "#/definitions/统一响应结果«Void»",
-              "originalRef": "统一响应结果«Void»"
-            }
-          },
-          "201": {
-            "description": "Created"
-          },
-          "401": {
-            "description": "Unauthorized"
-          },
-          "403": {
-            "description": "Forbidden"
-          },
-          "404": {
-            "description": "Not Found"
-          }
-        },
-        "responsesObject": {
-          "200": {
-            "description": "OK",
-            "schema": {
-              "$ref": "#/definitions/统一响应结果«Void»",
-              "originalRef": "统一响应结果«Void»"
-            }
-          },
-          "201": {
-            "description": "Created"
-          },
-          "401": {
-            "description": "Unauthorized"
-          },
-          "403": {
-            "description": "Forbidden"
-          },
-          "404": {
-            "description": "Not Found"
-          }
-        },
-        "security": [
-          {
-            "Authorization": [
-              "global"
-            ]
-          }
-        ],
-        "deprecated": false,
-        "x-order": "2147483647"
-      }
-    },
     "/admin/product/item/{id}/copy": {
       "post": {
         "tags": [
@@ -3387,6 +3300,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "deletedAt": {
           "type": "string",
           "format": "date-time"
@@ -3422,6 +3339,10 @@
         "updateTime": {
           "type": "string",
           "format": "date-time"
+        },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
         }
       },
       "title": "GroupBatchStaffDO"
@@ -3455,14 +3376,14 @@
         "childPrice": {
           "type": "number"
         },
-        "createBy": {
-          "type": "integer",
-          "format": "int64"
-        },
         "createTime": {
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "deletedAt": {
           "type": "string",
           "format": "date-time"
@@ -3516,6 +3437,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "version": {
           "type": "integer",
           "format": "int32"
@@ -3539,6 +3464,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "deletedAt": {
           "type": "string",
           "format": "date-time"
@@ -3559,6 +3488,10 @@
         "updateTime": {
           "type": "string",
           "format": "date-time"
+        },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
         }
       },
       "title": "ProductCrowdBenefitDO"
@@ -3574,6 +3507,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "daily": {
           "type": "boolean"
         },
@@ -3628,6 +3565,10 @@
         "updateTime": {
           "type": "string",
           "format": "date-time"
+        },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
         }
       },
       "title": "ProductFeeItemDO"
@@ -3645,6 +3586,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "dailyStock": {
           "type": "integer",
           "format": "int32"
@@ -3689,6 +3634,10 @@
         "updateTime": {
           "type": "string",
           "format": "date-time"
+        },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
         }
       },
       "title": "ProductPriceCalendarDO"
@@ -3700,6 +3649,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "deletedAt": {
           "type": "string",
           "format": "date-time"
@@ -3727,6 +3680,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "vehicleModelId": {
           "type": "integer",
           "format": "int64"
@@ -3752,6 +3709,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "deletedAt": {
           "type": "string",
           "format": "date-time"
@@ -3786,6 +3747,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "vehicleModelIds": {
           "type": "string"
         },
@@ -3812,6 +3777,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "deletedAt": {
           "type": "string",
           "format": "date-time"
@@ -3848,6 +3817,10 @@
         "updateTime": {
           "type": "string",
           "format": "date-time"
+        },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
         }
       },
       "title": "ProductSuppliesDO"
@@ -4002,27 +3975,6 @@
       },
       "title": "备品项"
     },
-    "档位项": {
-      "type": "object",
-      "required": [
-        "tierName",
-        "tierSeq"
-      ],
-      "properties": {
-        "tierName": {
-          "type": "string",
-          "example": "标准档",
-          "description": "档位名称"
-        },
-        "tierSeq": {
-          "type": "integer",
-          "format": "int32",
-          "example": 1,
-          "description": "档位序号（1=标准,2=舒适,3=豪华）"
-        }
-      },
-      "title": "档位项"
-    },
     "活动节点": {
       "type": "object",
       "properties": {
@@ -4087,307 +4039,85 @@
     "管理端 - Step1 基础信息保存": {
       "type": "object",
       "required": [
-        "name",
-        "version"
+        "name"
       ],
       "properties": {
-        "balanceDueDays": {
-          "type": "integer",
-          "format": "int32",
-          "example": 7,
-          "description": "尾款支付期限（天，出发前N天需付清尾款）"
-        },
-        "carouselImages": {
-          "type": "array",
-          "example": [
-            "https://img.hulalv.com/1.jpg",
-            "https://img.hulalv.com/2.jpg"
-          ],
-          "description": "轮播图URL列表（≤10张）",
-          "items": {
-            "type": "string"
-          }
-        },
-        "childAgeMax": {
-          "type": "integer",
-          "format": "int32",
-          "example": 14,
-          "description": "儿童年龄上限（默认12岁，超过按成人算）"
-        },
-        "childAgeMin": {
-          "type": "integer",
-          "format": "int32",
-          "example": 6,
-          "description": "儿童年龄下限（默认4岁）"
-        },
-        "contactPhone": {
+        "category": {
           "type": "string",
-          "example": 13800138000,
-          "description": "联系电话（加密存储）"
+          "example": "family",
+          "description": "产品分类（字典product_category: family=亲子游, honeymoon=蜜月旅行, photography=摄影之旅, experience=深度体验, driving=自驾越野）"
         },
         "coverImageUrl": {
           "type": "string",
-          "example": "https://img.hulalv.com/product/cover.jpg",
           "description": "封面图URL"
         },
-        "creatorAvatarUrl": {
-          "type": "string",
-          "example": "https://img.hulalv.com/avatar/guide01.jpg",
-          "description": "创建者头像URL（产品详情页展示的领队/设计师头像）"
-        },
-        "creatorIntro": {
-          "type": "string",
-          "example": "资深川西领队，10年自驾经验",
-          "description": "创建者简介（≤512字）"
-        },
-        "customerName": {
-          "type": "string",
-          "example": "王先生",
-          "description": "客户姓名（私人定制的客户）"
-        },
-        "customizerId": {
-          "type": "integer",
-          "format": "int64",
-          "example": 1002,
-          "description": "定制师ID（私人定制产品关联的定制师）"
-        },
-        "defaultDailyStock": {
-          "type": "integer",
-          "format": "int32",
-          "example": 20,
-          "description": "每日库存默认值（NULL=不限量，用于价格日历预填）"
-        },
-        "defaultRoomCount": {
-          "type": "integer",
-          "format": "int32",
-          "example": 15,
-          "description": "默认房间数（小蒙马跟团游用，每个班期的初始房间数）"
-        },
-        "departureDate": {
-          "type": "string",
-          "format": "date",
-          "example": "2026-07-15",
-          "description": "出发日期（私人定制的固定出发日期，格式yyyy-MM-dd）"
-        },
-        "depositAmount": {
-          "type": "number",
-          "example": 2000.0,
-          "description": "订金固定额（元，支付方式=DEPOSIT时使用，与比例二选一）"
-        },
-        "depositRatio": {
-          "type": "integer",
-          "format": "int32",
-          "example": 30,
-          "description": "订金比例（%，支付方式=DEPOSIT时使用，与固定额二选一）"
-        },
-        "diningHighlights": {
-          "type": "array",
-          "example": [
-            {
-              "name": "藏式火锅"
-            },
-            {
-              "name": "牦牛肉干"
-            }
-          ],
-          "description": "餐饮亮点（JSON数组 [{name,description}]）",
-          "items": {
-            "type": "object"
-          }
-        },
-        "infantAgeMax": {
-          "type": "integer",
-          "format": "int32",
-          "example": 2,
-          "description": "幼童年龄上限（默认1岁，幼童≤此值免费或特价）"
-        },
-        "infantDefaultPrice": {
-          "type": "number",
-          "example": 0.0,
-          "description": "幼童默认价（元，0=免费）"
-        },
         "introduction": {
           "type": "string",
-          "example": "<p>从成都出发...</p>",
           "description": "产品简介（富文本HTML）"
         },
-        "isBooking": {
-          "type": "boolean",
-          "example": false,
-          "description": "是否预约产品（true=订金可不填出行人，false=正常下单）"
-        },
         "lineId": {
           "type": "integer",
           "format": "int64",
-          "example": 1,
-          "description": "产品线ID（从产品线下拉接口获取，私人定制可空）"
-        },
-        "maxAdultPerOrder": {
-          "type": "integer",
-          "format": "int32",
-          "example": 6,
-          "description": "每单最多成人数"
-        },
-        "maxChildPerOrder": {
-          "type": "integer",
-          "format": "int32",
-          "example": 4,
-          "description": "每单最多儿童数"
-        },
-        "mchId": {
-          "type": "string",
-          "example": 1234567890,
-          "description": "商户ID（微信支付商户号，多商户时指定）"
-        },
-        "minAdultPerOrder": {
-          "type": "integer",
-          "format": "int32",
-          "example": 1,
-          "description": "每单最少成人数"
-        },
-        "minGroupSize": {
-          "type": "integer",
-          "format": "int32",
-          "example": 10,
-          "description": "最低成团人数（0=不限，小蒙马用）"
+          "example": 100,
+          "description": "产品线ID（主题ID，CORE/GROUP必传，CUSTOM可空）"
         },
         "name": {
           "type": "string",
-          "example": "川西7日深度自驾-稻城亚丁",
+          "example": "额吉的故乡·亲子版",
           "description": "产品名称（≤30字）"
         },
-        "paymentType": {
+        "productId": {
+          "type": "integer",
+          "format": "int64",
+          "example": 2043246204711550977,
+          "description": "产品ID（不传=创建，传了=更新）"
+        },
+        "productType": {
           "type": "string",
-          "example": "FULL",
-          "description": "支付方式（字典payment_type: FULL=全款支付, DEPOSIT=订金+尾款）"
-        },
-        "photographyItems": {
-          "type": "array",
-          "example": [
-            {
-              "name": "无人机航拍"
-            },
-            {
-              "name": "专业单反跟拍"
-            }
-          ],
-          "description": "摄影跟拍项（JSON数组 [{name,description}]）",
-          "items": {
-            "type": "object"
-          }
-        },
-        "safetyItems": {
-          "type": "array",
-          "example": [
-            {
-              "icon": "shield",
-              "title": "高原急救包",
-              "description": "配备专业急救设备"
-            }
-          ],
-          "description": "安全保障项（JSON数组 [{icon,title,description}]）",
-          "items": {
-            "type": "object"
-          }
-        },
-        "seasons": {
-          "type": "array",
-          "example": [
-            "summer",
-            "autumn"
-          ],
-          "description": "适用季节（字典product_season: spring=春, summer=夏, autumn=秋, winter=冬）",
-          "items": {
-            "type": "string"
-          }
-        },
-        "showChatGroup": {
-          "type": "boolean",
-          "example": false,
-          "description": "展示群聊入口（true=显示加入群聊按钮）"
-        },
-        "showReview": {
-          "type": "boolean",
-          "example": true,
-          "description": "展示用户评价（true=产品详情页显示评价模块）"
-        },
-        "showTripDistance": {
-          "type": "boolean",
-          "example": true,
-          "description": "展示行程距离（true=行程天显示里程数）"
-        },
-        "showTripTime": {
-          "type": "boolean",
-          "example": true,
-          "description": "展示行程时间（true=行程天显示起止时间）"
+          "example": "CORE",
+          "description": "产品类型（创建时必传，更新时忽略。CORE=核心产品, GROUP=小蒙马, CUSTOM=私人定制）"
         },
         "subtitle": {
           "type": "string",
-          "example": "穿越贡嘎雪山,走进最后的香格里拉",
-          "description": "副标题（一句话卖点，≤128字）"
+          "example": "6天5晚草原环线",
+          "description": "副标题（≤128字）"
         },
         "tags": {
           "type": "array",
           "example": [
-            "自驾",
             "亲子",
-            "摄影"
+            "研学"
           ],
-          "description": "产品标签（字典product_tag，多选）",
+          "description": "产品标签（亲子/研学/露营/城记/摄影）",
           "items": {
             "type": "string"
           }
         },
         "tiers": {
           "type": "array",
-          "example": [
-            {
-              "tierSeq": 1,
-              "tierName": "标准档"
-            },
-            {
-              "tierSeq": 2,
-              "tierName": "舒适档"
-            }
-          ],
-          "description": "档位列表（JSON数组，如标准/舒适/豪华3档）",
+          "description": "规格列表（单一档不传或传1个，多档传多个）",
           "items": {
-            "$ref": "#/definitions/档位项",
-            "originalRef": "档位项"
+            "$ref": "#/definitions/规格项",
+            "originalRef": "规格项"
           }
         },
-        "toddlerAgeMax": {
-          "type": "integer",
-          "format": "int32",
-          "example": 5,
-          "description": "小童年龄上限（默认3岁，幼童<小童<儿童）"
-        },
         "tripDays": {
           "type": "integer",
           "format": "int32",
-          "example": 7,
-          "description": "行程天数（≥1，晚数自动=天数-1）"
+          "example": 6,
+          "description": "行程天数（≥1）"
         },
         "tripNights": {
           "type": "integer",
           "format": "int32",
-          "example": 6,
-          "description": "行程晚数（通常=天数-1，不传自动计算）"
-        },
-        "version": {
-          "type": "integer",
-          "format": "int32",
-          "example": 0,
-          "description": "乐观锁版本号（从详情接口获取，提交时传回做并发校验）"
+          "example": 5,
+          "description": "行程晚数（不传自动=天数-1）"
         }
       },
       "title": "管理端 - Step1 基础信息保存"
     },
     "管理端 - Step2 行程保存": {
       "type": "object",
-      "required": [
-        "version"
-      ],
       "properties": {
         "days": {
           "type": "array",
@@ -4396,20 +4126,12 @@
             "$ref": "#/definitions/行程天",
             "originalRef": "行程天"
           }
-        },
-        "version": {
-          "type": "integer",
-          "format": "int32",
-          "description": "乐观锁版本号"
         }
       },
       "title": "管理端 - Step2 行程保存"
     },
     "管理端 - Step3 路线与备品保存": {
       "type": "object",
-      "required": [
-        "version"
-      ],
       "properties": {
         "extraCosts": {
           "type": "array",
@@ -4427,18 +4149,6 @@
           "type": "string",
           "description": "路线图URL(手动上传)"
         },
-        "routeName": {
-          "type": "string",
-          "description": "路线名称"
-        },
-        "staffCostIds": {
-          "type": "array",
-          "description": "服务人员成本ID列表",
-          "items": {
-            "type": "integer",
-            "format": "int64"
-          }
-        },
         "supplies": {
           "type": "array",
           "description": "备品列表",
@@ -4450,25 +4160,12 @@
         "totalMileage": {
           "type": "number",
           "description": "总里程(km)"
-        },
-        "vehicleModelId": {
-          "type": "integer",
-          "format": "int64",
-          "description": "实际用车车型ID"
-        },
-        "version": {
-          "type": "integer",
-          "format": "int32",
-          "description": "乐观锁版本号"
         }
       },
       "title": "管理端 - Step3 路线与备品保存"
     },
     "管理端 - Step5 补充信息保存": {
       "type": "object",
-      "required": [
-        "version"
-      ],
       "properties": {
         "bookingTermsId": {
           "type": "integer",
@@ -4579,11 +4276,6 @@
           "type": "string",
           "description": "用车规则说明"
         },
-        "version": {
-          "type": "integer",
-          "format": "int32",
-          "description": "乐观锁版本号"
-        },
         "warmTipsId": {
           "type": "integer",
           "format": "int64",
@@ -4595,20 +4287,37 @@
     "管理端 - 产品列表项": {
       "type": "object",
       "properties": {
+        "category": {
+          "type": "string",
+          "description": "产品分类(字典product_category)"
+        },
         "coverImageUrl": {
           "type": "string",
-          "description": "封面图"
-        },
-        "createBy": {
-          "type": "integer",
-          "format": "int64",
-          "description": "创建人ID"
+          "description": "封面图URL"
         },
         "createTime": {
           "type": "string",
           "format": "date-time",
           "description": "创建时间"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64",
+          "description": "创建人ID"
+        },
+        "createdByName": {
+          "type": "string",
+          "description": "创建人名称"
+        },
+        "lineId": {
+          "type": "integer",
+          "format": "int64",
+          "description": "产品线ID（前端叫「主题」）"
+        },
+        "lineName": {
+          "type": "string",
+          "description": "产品线名称（前端叫「主题名」，从产品线表关联查出）"
+        },
         "name": {
           "type": "string",
           "description": "产品名称"
@@ -4620,35 +4329,67 @@
         },
         "productNo": {
           "type": "string",
-          "description": "产品编号"
+          "description": "产品编号(如C260409001)"
         },
         "productType": {
           "type": "string",
-          "description": "产品类型"
+          "description": "产品类型(字典product_type: CORE=核心产品, GROUP=小蒙马, CUSTOM=私人定制)"
         },
         "publishedAt": {
           "type": "string",
           "format": "date-time",
           "description": "上架时间"
         },
+        "seasons": {
+          "type": "array",
+          "description": "产品季节(JSON数组，如[\"summer\",\"autumn\"])",
+          "items": {
+            "type": "string"
+          }
+        },
+        "sortOrder": {
+          "type": "integer",
+          "format": "int32",
+          "description": "排序号"
+        },
+        "startPrice": {
+          "type": "number",
+          "description": "起步价(已上架产品的最低成人售价，草稿为null)"
+        },
         "status": {
           "type": "string",
-          "description": "产品状态"
+          "description": "产品状态(字典product_status)"
+        },
+        "subtitle": {
+          "type": "string",
+          "description": "副标题"
+        },
+        "tags": {
+          "type": "array",
+          "description": "产品标签(JSON数组，如[\"亲子\",\"研学\"])",
+          "items": {
+            "type": "string"
+          }
+        },
+        "tierCount": {
+          "type": "integer",
+          "format": "int32",
+          "description": "档位数量（前端叫「规格数」，单一=1，多档=N，未配置=0）"
         },
         "tripDays": {
           "type": "integer",
           "format": "int32",
           "description": "行程天数"
         },
+        "tripNights": {
+          "type": "integer",
+          "format": "int32",
+          "description": "行程晚数"
+        },
         "updateTime": {
           "type": "string",
           "format": "date-time",
           "description": "更新时间"
-        },
-        "version": {
-          "type": "integer",
-          "format": "int32",
-          "description": "版本号"
         }
       },
       "title": "管理端 - 产品列表项"
@@ -4714,6 +4455,10 @@
           "type": "object",
           "description": "轮播图"
         },
+        "category": {
+          "type": "string",
+          "description": "产品分类(字典product_category)"
+        },
         "childAgeMax": {
           "type": "integer",
           "format": "int32",
@@ -4728,29 +4473,26 @@
           "type": "string",
           "description": "封面图"
         },
-        "createBy": {
-          "type": "integer",
-          "format": "int64",
-          "description": "创建人ID"
-        },
         "createTime": {
           "type": "string",
           "format": "date-time",
           "description": "创建时间"
         },
-        "creatorAvatarUrl": {
-          "type": "string",
-          "description": "创建者头像"
-        },
-        "creatorIntro": {
-          "type": "string",
-          "description": "创建者简介"
+        "createdBy": {
+          "type": "integer",
+          "format": "int64",
+          "description": "创建人ID"
         },
         "crowdBenefit": {
           "description": "人群优惠",
           "$ref": "#/definitions/ProductCrowdBenefitDO",
           "originalRef": "ProductCrowdBenefitDO"
         },
+        "currentStep": {
+          "type": "integer",
+          "format": "int32",
+          "description": "当前步骤进度（1=基础信息, 2=行程编排, 3=路线与备品, 4=定价管理, 5=补充信息）"
+        },
         "customFees": {
           "type": "array",
           "description": "自定义费用",
@@ -4759,20 +4501,6 @@
             "originalRef": "ProductFeeItemDO"
           }
         },
-        "customerName": {
-          "type": "string",
-          "description": "客户姓名"
-        },
-        "customizerId": {
-          "type": "integer",
-          "format": "int64",
-          "description": "定制师ID"
-        },
-        "departureDate": {
-          "type": "string",
-          "format": "date",
-          "description": "出发日期(定制)"
-        },
         "depositAmount": {
           "type": "number",
           "description": "订金固定额"
@@ -4831,10 +4559,6 @@
           "format": "int64",
           "description": "产品线ID"
         },
-        "mchId": {
-          "type": "string",
-          "description": "商户ID"
-        },
         "name": {
           "type": "string",
           "description": "产品名称"
@@ -4843,11 +4567,6 @@
           "type": "string",
           "description": "支付方式"
         },
-        "priceVersion": {
-          "type": "integer",
-          "format": "int32",
-          "description": "调价版本号"
-        },
         "productId": {
           "type": "integer",
           "format": "int64",
@@ -4930,11 +4649,6 @@
           "type": "integer",
           "format": "int32",
           "description": "行程晚数"
-        },
-        "version": {
-          "type": "integer",
-          "format": "int32",
-          "description": "乐观锁版本号"
         }
       },
       "title": "管理端 - 产品详情"
@@ -4958,8 +4672,7 @@
       "required": [
         "adultSellPrice",
         "endDate",
-        "startDate",
-        "version"
+        "startDate"
       ],
       "properties": {
         "adultSellPrice": {
@@ -5001,47 +4714,10 @@
         "toddlerDiscount": {
           "type": "number",
           "description": "小童优惠额(负数)"
-        },
-        "version": {
-          "type": "integer",
-          "format": "int32",
-          "description": "版本号(草稿用version/已上架用priceVersion)"
         }
       },
       "title": "管理端 - 价格日历批量设置"
     },
-    "管理端 - 创建产品请求": {
-      "type": "object",
-      "required": [
-        "name",
-        "productType"
-      ],
-      "properties": {
-        "lineId": {
-          "type": "integer",
-          "format": "int64",
-          "example": 1,
-          "description": "产品线ID（从 /admin/product/line/simple-list 下拉获取，私人定制可空）"
-        },
-        "name": {
-          "type": "string",
-          "example": "川西7日深度自驾",
-          "description": "产品名称（≤30字）"
-        },
-        "productType": {
-          "type": "string",
-          "example": "CORE",
-          "description": "产品类型（字典product_type: CORE=核心产品, GROUP=小蒙马跟团游, CUSTOM=私人定制）"
-        },
-        "tripDays": {
-          "type": "integer",
-          "format": "int32",
-          "example": 7,
-          "description": "行程天数（可选，创建后可在Step1修改）"
-        }
-      },
-      "title": "管理端 - 创建产品请求"
-    },
     "管理端 - 报价结果": {
       "type": "object",
       "properties": {
@@ -5663,6 +5339,27 @@
       },
       "title": "行程天"
     },
+    "规格项": {
+      "type": "object",
+      "required": [
+        "tierName",
+        "tierSeq"
+      ],
+      "properties": {
+        "tierName": {
+          "type": "string",
+          "example": "舒适",
+          "description": "规格名称"
+        },
+        "tierSeq": {
+          "type": "integer",
+          "format": "int32",
+          "example": 1,
+          "description": "规格序号（1开始递增）"
+        }
+      },
+      "title": "规格项"
+    },
     "费用项": {
       "type": "object",
       "properties": {
@@ -5889,16 +5586,16 @@
           "type": "string",
           "description": "封面图"
         },
-        "createBy": {
-          "type": "integer",
-          "format": "int64",
-          "description": "创建人ID"
-        },
         "createTime": {
           "type": "string",
           "format": "date-time",
           "description": "创建时间"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64",
+          "description": "创建人ID"
+        },
         "description": {
           "type": "string",
           "description": "描述"
@@ -5912,13 +5609,22 @@
           "type": "string",
           "description": "产品线名称"
         },
+        "productCount": {
+          "type": "integer",
+          "format": "int64",
+          "example": 12,
+          "description": "产品数量"
+        },
         "productType": {
           "type": "string",
           "description": "绑定产品类型"
         },
         "seasons": {
-          "type": "object",
-          "description": "适用季节"
+          "type": "array",
+          "description": "适用季节",
+          "items": {
+            "type": "string"
+          }
         },
         "sortOrder": {
           "type": "integer",
@@ -5930,8 +5636,11 @@
           "description": "状态"
         },
         "tags": {
-          "type": "object",
-          "description": "产品线标签"
+          "type": "array",
+          "description": "产品线标签",
+          "items": {
+            "type": "string"
+          }
         }
       },
       "title": "管理端 - 产品线详情/列表项"
@@ -6272,6 +5981,10 @@
           "type": "string",
           "format": "date-time"
         },
+        "createdBy": {
+          "type": "integer",
+          "format": "int64"
+        },
         "dayId": {
           "type": "integer",
           "format": "int64"
@@ -6321,6 +6034,10 @@
         "updateTime": {
           "type": "string",
           "format": "date-time"
+        },
+        "updatedBy": {
+          "type": "integer",
+          "format": "int64"
         }
       },
       "title": "ProductDayHotelDO"
@@ -6339,14 +6056,6 @@
           "type": "string",
           "description": "封面图"
         },
-        "creatorAvatarUrl": {
-          "type": "string",
-          "description": "创建者头像"
-        },
-        "creatorIntro": {
-          "type": "string",
-          "description": "创建者简介"
-        },
         "crowdBenefit": {
           "description": "人群优惠",
           "$ref": "#/definitions/C端人群优惠",
@@ -6573,12 +6282,20 @@
       "properties": {
         "coverImageUrl": {
           "type": "string",
-          "description": "封面图"
+          "description": "封面图URL"
+        },
+        "lineName": {
+          "type": "string",
+          "description": "产品线名称（前端叫「主题名」）"
         },
         "name": {
           "type": "string",
           "description": "产品名称"
         },
+        "paymentType": {
+          "type": "string",
+          "description": "支付方式(FULL=全款, DEPOSIT=订金)"
+        },
         "productId": {
           "type": "integer",
           "format": "int64",
@@ -6586,16 +6303,53 @@
         },
         "productType": {
           "type": "string",
-          "description": "产品类型"
+          "description": "产品类型(CORE/GROUP/CUSTOM)"
+        },
+        "seasons": {
+          "type": "array",
+          "description": "产品季节(如[\"summer\",\"autumn\"])",
+          "items": {
+            "type": "string"
+          }
+        },
+        "sortOrder": {
+          "type": "integer",
+          "format": "int32",
+          "description": "排序号"
+        },
+        "startPrice": {
+          "type": "number",
+          "description": "起步价(¥X起，最低成人售价)"
+        },
+        "startPriceLabel": {
+          "type": "string",
+          "description": "起步价展示文案(如\"¥3980起/人\")"
         },
         "subtitle": {
           "type": "string",
-          "description": "副标题"
+          "description": "副标题（一句话卖点）"
+        },
+        "tags": {
+          "type": "array",
+          "description": "产品标签(如[\"亲子\",\"研学\"])",
+          "items": {
+            "type": "string"
+          }
+        },
+        "tierCount": {
+          "type": "integer",
+          "format": "int32",
+          "description": "规格数量（前端叫「规格数」，单一=1，多档=N）"
         },
         "tripDays": {
           "type": "integer",
           "format": "int32",
           "description": "行程天数"
+        },
+        "tripNights": {
+          "type": "integer",
+          "format": "int32",
+          "description": "行程晚数"
         }
       },
       "title": "小程序端 - 产品列表项"
diff --git a/changelogs/2026-04/13_1811_sync.md b/changelogs/2026-04/13_1811_sync.md
new file mode 100644
index 0000000..ae03ebd
--- /dev/null
+++ b/changelogs/2026-04/13_1811_sync.md
@@ -0,0 +1,165 @@
+# API 变更通知
+
+**更新时间**: 2026-04-13 18:12
+
+## ⚠️ Breaking Changes (70)
+
+> **前端必须处理的变更，不处理会导致功能异常**
+
+### 支付服务
+
+**接口删除**
+
+- ❌ ~~`POST /admin/product/item`~~
+- ❌ ~~`PUT /admin/product/item/{id}/basic`~~
+
+**字段删除**
+
+| 数据对象 | 删除字段 | 原类型 |
+| --- | --- | --- |
+| `GroupTourBatchDO` | ~~`createBy`~~ | `integer(int64)` |
+| `管理端 - Step1 基础信息保存` | ~~`balanceDueDays`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`carouselImages`~~ | `string[]` |
+| `管理端 - Step1 基础信息保存` | ~~`childAgeMax`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`childAgeMin`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`contactPhone`~~ | `string` |
+| `管理端 - Step1 基础信息保存` | ~~`creatorAvatarUrl`~~ | `string` |
+| `管理端 - Step1 基础信息保存` | ~~`creatorIntro`~~ | `string` |
+| `管理端 - Step1 基础信息保存` | ~~`customerName`~~ | `string` |
+| `管理端 - Step1 基础信息保存` | ~~`customizerId`~~ | `integer(int64)` |
+| `管理端 - Step1 基础信息保存` | ~~`defaultDailyStock`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`defaultRoomCount`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`departureDate`~~ | `string(date)` |
+| `管理端 - Step1 基础信息保存` | ~~`depositAmount`~~ | `number` |
+| `管理端 - Step1 基础信息保存` | ~~`depositRatio`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`diningHighlights`~~ | `object[]` |
+| `管理端 - Step1 基础信息保存` | ~~`infantAgeMax`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`infantDefaultPrice`~~ | `number` |
+| `管理端 - Step1 基础信息保存` | ~~`isBooking`~~ | `boolean` |
+| `管理端 - Step1 基础信息保存` | ~~`maxAdultPerOrder`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`maxChildPerOrder`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`mchId`~~ | `string` |
+| `管理端 - Step1 基础信息保存` | ~~`minAdultPerOrder`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`minGroupSize`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`paymentType`~~ | `string` |
+| `管理端 - Step1 基础信息保存` | ~~`photographyItems`~~ | `object[]` |
+| `管理端 - Step1 基础信息保存` | ~~`safetyItems`~~ | `object[]` |
+| `管理端 - Step1 基础信息保存` | ~~`seasons`~~ | `string[]` |
+| `管理端 - Step1 基础信息保存` | ~~`showChatGroup`~~ | `boolean` |
+| `管理端 - Step1 基础信息保存` | ~~`showReview`~~ | `boolean` |
+| `管理端 - Step1 基础信息保存` | ~~`showTripDistance`~~ | `boolean` |
+| `管理端 - Step1 基础信息保存` | ~~`showTripTime`~~ | `boolean` |
+| `管理端 - Step1 基础信息保存` | ~~`toddlerAgeMax`~~ | `integer(int32)` |
+| `管理端 - Step1 基础信息保存` | ~~`version`~~ | `integer(int32)` |
+| `管理端 - Step2 行程保存` | ~~`version`~~ | `integer(int32)` |
+| `管理端 - Step3 路线与备品保存` | ~~`routeName`~~ | `string` |
+| `管理端 - Step3 路线与备品保存` | ~~`staffCostIds`~~ | `integer[]` |
+| `管理端 - Step3 路线与备品保存` | ~~`vehicleModelId`~~ | `integer(int64)` |
+| `管理端 - Step3 路线与备品保存` | ~~`version`~~ | `integer(int32)` |
+| `管理端 - Step5 补充信息保存` | ~~`version`~~ | `integer(int32)` |
+| `管理端 - 产品列表项` | ~~`createBy`~~ | `integer(int64)` |
+| `管理端 - 产品列表项` | ~~`version`~~ | `integer(int32)` |
+| `管理端 - 产品详情` | ~~`createBy`~~ | `integer(int64)` |
+| `管理端 - 产品详情` | ~~`creatorAvatarUrl`~~ | `string` |
+| `管理端 - 产品详情` | ~~`creatorIntro`~~ | `string` |
+| `管理端 - 产品详情` | ~~`customerName`~~ | `string` |
+| `管理端 - 产品详情` | ~~`customizerId`~~ | `integer(int64)` |
+| `管理端 - 产品详情` | ~~`departureDate`~~ | `string(date)` |
+| `管理端 - 产品详情` | ~~`mchId`~~ | `string` |
+| `管理端 - 产品详情` | ~~`priceVersion`~~ | `integer(int32)` |
+| `管理端 - 产品详情` | ~~`version`~~ | `integer(int32)` |
+| `管理端 - 价格日历批量设置` | ~~`version`~~ | `integer(int32)` |
+| `管理端 - 产品线详情/列表项` | ~~`createBy`~~ | `integer(int64)` |
+| `小程序端 - 产品详情` | ~~`creatorAvatarUrl`~~ | `string` |
+| `小程序端 - 产品详情` | ~~`creatorIntro`~~ | `string` |
+
+**字段重命名**
+
+| 数据对象 | 原字段 | 新字段 | 类型 |
+| --- | --- | --- | --- |
+| `GroupTourBatchDO` | ~~`createBy`~~ | `createdBy` | `integer(int64)` |
+| `管理端 - Step1 基础信息保存` | ~~`contactPhone`~~ | `category` | `string` |
+| `管理端 - Step1 基础信息保存` | ~~`creatorAvatarUrl`~~ | `productType` | `string` |
+| `管理端 - Step1 基础信息保存` | ~~`customizerId`~~ | `productId` | `integer(int64)` |
+| `管理端 - 产品列表项` | ~~`createBy`~~ | `createdBy` | `integer(int64)` |
+| `管理端 - 产品列表项` | ~~`version`~~ | `sortOrder` | `integer(int32)` |
+| `管理端 - 产品详情` | ~~`createBy`~~ | `createdBy` | `integer(int64)` |
+| `管理端 - 产品详情` | ~~`creatorAvatarUrl`~~ | `category` | `string` |
+| `管理端 - 产品详情` | ~~`priceVersion`~~ | `currentStep` | `integer(int32)` |
+| `管理端 - 产品线详情/列表项` | ~~`createBy`~~ | `createdBy` | `integer(int64)` |
+
+**字段类型变化**
+
+| 数据对象 | 字段 | 原类型 | 新类型 |
+| --- | --- | --- | --- |
+| `管理端 - Step1 基础信息保存` | `tiers` | `档位项[]` | `规格项[]` |
+| `管理端 - 产品线详情/列表项` | `seasons` | `object` | `string[]` |
+| `管理端 - 产品线详情/列表项` | `tags` | `object` | `string[]` |
+
+## ℹ️ 新增 (49)
+
+### 支付服务
+
+**新增接口**
+
+- 🆕 `POST /admin/product/item/basic`
+
+**新增字段**
+
+| 数据对象 | 新增字段 | 类型 |
+| --- | --- | --- |
+| `GroupBatchStaffDO` | `createdBy` | `integer(int64)` |
+| `GroupBatchStaffDO` | `updatedBy` | `integer(int64)` |
+| `GroupTourBatchDO` | `createdBy` | `integer(int64)` |
+| `GroupTourBatchDO` | `updatedBy` | `integer(int64)` |
+| `ProductCrowdBenefitDO` | `createdBy` | `integer(int64)` |
+| `ProductCrowdBenefitDO` | `updatedBy` | `integer(int64)` |
+| `ProductFeeItemDO` | `createdBy` | `integer(int64)` |
+| `ProductFeeItemDO` | `updatedBy` | `integer(int64)` |
+| `ProductPriceCalendarDO` | `createdBy` | `integer(int64)` |
+| `ProductPriceCalendarDO` | `updatedBy` | `integer(int64)` |
+| `ProductRouteInfoDO` | `createdBy` | `integer(int64)` |
+| `ProductRouteInfoDO` | `updatedBy` | `integer(int64)` |
+| `ProductSupplementDO` | `createdBy` | `integer(int64)` |
+| `ProductSupplementDO` | `updatedBy` | `integer(int64)` |
+| `ProductSuppliesDO` | `createdBy` | `integer(int64)` |
+| `ProductSuppliesDO` | `updatedBy` | `integer(int64)` |
+| `管理端 - Step1 基础信息保存` | `category` | `string` |
+| `管理端 - Step1 基础信息保存` | `productId` | `integer(int64)` |
+| `管理端 - Step1 基础信息保存` | `productType` | `string` |
+| `管理端 - 产品列表项` | `category` | `string` |
+| `管理端 - 产品列表项` | `createdBy` | `integer(int64)` |
+| `管理端 - 产品列表项` | `createdByName` | `string` |
+| `管理端 - 产品列表项` | `lineId` | `integer(int64)` |
+| `管理端 - 产品列表项` | `lineName` | `string` |
+| `管理端 - 产品列表项` | `seasons` | `string[]` |
+| `管理端 - 产品列表项` | `sortOrder` | `integer(int32)` |
+| `管理端 - 产品列表项` | `startPrice` | `number` |
+| `管理端 - 产品列表项` | `subtitle` | `string` |
+| `管理端 - 产品列表项` | `tags` | `string[]` |
+| `管理端 - 产品列表项` | `tierCount` | `integer(int32)` |
+| `管理端 - 产品列表项` | `tripNights` | `integer(int32)` |
+| `管理端 - 产品详情` | `category` | `string` |
+| `管理端 - 产品详情` | `createdBy` | `integer(int64)` |
+| `管理端 - 产品详情` | `currentStep` | `integer(int32)` |
+| `管理端 - 产品线详情/列表项` | `createdBy` | `integer(int64)` |
+| `管理端 - 产品线详情/列表项` | `productCount` | `integer(int64)` |
+| `ProductDayHotelDO` | `createdBy` | `integer(int64)` |
+| `ProductDayHotelDO` | `updatedBy` | `integer(int64)` |
+| `小程序端 - 产品列表项` | `lineName` | `string` |
+| `小程序端 - 产品列表项` | `paymentType` | `string` |
+| `小程序端 - 产品列表项` | `seasons` | `string[]` |
+| `小程序端 - 产品列表项` | `sortOrder` | `integer(int32)` |
+| `小程序端 - 产品列表项` | `startPrice` | `number` |
+| `小程序端 - 产品列表项` | `startPriceLabel` | `string` |
+| `小程序端 - 产品列表项` | `tags` | `string[]` |
+| `小程序端 - 产品列表项` | `tierCount` | `integer(int32)` |
+| `小程序端 - 产品列表项` | `tripNights` | `integer(int32)` |
+
+### 字典变更
+
+**新增字典项**
+
+| 字典 | 新增值 | 标签 |
+| --- | --- | --- |
+| `vehicle_type`（车型） | `GROUP` | 小蒙马专用 |