fix: e2e测试原价成本→单买成本

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/database.py

@@ -251,6 +251,71 @@ def init_db():
     if "volume" not in cols:
         c.execute("ALTER TABLE recipes ADD COLUMN volume TEXT DEFAULT ''")
 
+    # Migration: rename oils 西洋蓍草→西洋蓍草石榴籽, 元气→元气焕能
+    _oil_renames = [("元气", "元气焕能")]
+    for old_name, new_name in _oil_renames:
+        old_exists = c.execute("SELECT 1 FROM oils WHERE name = ?", (old_name,)).fetchone()
+        new_exists = c.execute("SELECT 1 FROM oils WHERE name = ?", (new_name,)).fetchone()
+        if old_exists and new_exists:
+            # Both exist: delete old, update recipe references to new
+            c.execute("DELETE FROM oils WHERE name = ?", (old_name,))
+            c.execute("UPDATE recipe_ingredients SET oil_name = ? WHERE oil_name = ?", (new_name, old_name))
+        elif old_exists:
+            c.execute("UPDATE oils SET name = ? WHERE name = ?", (new_name, old_name))
+            c.execute("UPDATE recipe_ingredients SET oil_name = ? WHERE oil_name = ?", (new_name, old_name))
+
+    # Migration: clean up recipe names — remove leading numbers, normalize 细胞律动 format
+    _recipe_renames = {
+        "2、神经系统细胞律动": "细胞律动-神经系统",
+        "3、消化系统细胞律动": "细胞律动-消化系统",
+        "4、骨骼系统细胞律动（炎症控制）": "细胞律动-骨骼系统（炎症控制）",
+        "5、淋巴系统细胞律动": "细胞律动-淋巴系统",
+        "6、生殖系统细胞律动": "细胞律动-生殖系统",
+        "7、免疫系统细胞律动": "细胞律动-免疫系统",
+        "8、循环系统细胞律动": "细胞律动-循环系统",
+        "9、内分泌系统细胞律动": "细胞律动-内分泌系统",
+        "12、芳香调理技术": "芳香调理技术",
+        "普拉提根基配方：2": "普拉提根基配方（二）",
+    }
+    for old_name, new_name in _recipe_renames.items():
+        c.execute("UPDATE recipes SET name = ? WHERE name = ?", (new_name, old_name))
+
+    # Migration: trailing Arabic numerals → Chinese numerals in parentheses
+    import re as _re
+    _num_map = {'1': '一', '2': '二', '3': '三', '4': '四', '5': '五', '6': '六', '7': '七', '8': '八', '9': '九'}
+    _all_recipes = c.execute("SELECT id, name FROM recipes").fetchall()
+    for row in _all_recipes:
+        name = row['name']
+        # Step 1: trailing Arabic digits → Chinese in parentheses: 灰指甲1 → 灰指甲（一）
+        m = _re.search(r'(\d+)$', name)
+        if m:
+            chinese = ''.join(_num_map.get(d, d) for d in m.group(1))
+            name = name[:m.start()] + '（' + chinese + '）'
+            c.execute("UPDATE recipes SET name = ? WHERE id = ?", (name, row['id']))
+        # Step 2: trailing bare Chinese numeral → add parentheses: 灰指甲一 → 灰指甲（一）
+        m2 = _re.search(r'([一二三四五六七八九十]+)$', name)
+        if m2 and not name.endswith('）'):
+            name = name[:m2.start()] + '（' + m2.group(1) + '）'
+            c.execute("UPDATE recipes SET name = ? WHERE id = ?", (name, row['id']))
+
+    # Migration: add number suffix to base recipes that have numbered siblings
+    _all_recipes2 = c.execute("SELECT id, name FROM recipes").fetchall()
+    _cn_nums = list('一二三四五六七八九十')
+    _base_groups = {}
+    for row in _all_recipes2:
+        name = row['name']
+        m = _re.match(r'^(.+?)（([一二三四五六七八九十]+)）$', name)
+        if m:
+            _base_groups.setdefault(m.group(1), set()).add(m.group(2))
+    # Find bare names that match a numbered group, assign next available number
+    for row in _all_recipes2:
+        if row['name'] in _base_groups:
+            used = _base_groups[row['name']]
+            next_num = next((n for n in _cn_nums if n not in used), '十')
+            new_name = row['name'] + '（' + next_num + '）'
+            c.execute("UPDATE recipes SET name = ? WHERE id = ?", (new_name, row['id']))
+            _base_groups[row['name']].add(next_num)
+
     # Seed admin user if no users exist
     count = c.execute("SELECT COUNT(*) FROM users").fetchone()[0]
     if count == 0:

backend/defaults.json

@@ -332,7 +332,7 @@
       "bottlePrice": 450,
       "dropCount": 280
     },
-    "元气": {
+    "元气焕能": {
       "bottlePrice": 230,
       "dropCount": 280
     },
@@ -1615,7 +1615,7 @@
           "drops": 20
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 20
         },
         {
@@ -2072,7 +2072,7 @@
           "drops": 5
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         },
         {
@@ -2216,7 +2216,7 @@
           "drops": 5
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         }
       ]
@@ -2328,7 +2328,7 @@
           "drops": 5
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 8
         },
         {
@@ -2491,7 +2491,7 @@
           "drops": 10
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 10
         }
       ]
@@ -2666,7 +2666,7 @@
           "drops": 5
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         },
         {
@@ -2816,7 +2816,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 15
         },
         {
@@ -2901,7 +2901,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         },
         {
@@ -3111,7 +3111,7 @@
           "drops": 10
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         },
         {
@@ -6583,7 +6583,7 @@
           "drops": 4
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 4
         },
         {
@@ -6662,7 +6662,7 @@
           "drops": 4
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 4
         },
         {
@@ -6729,7 +6729,7 @@
           "drops": 4
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 4
         },
         {
@@ -7819,7 +7819,7 @@
           "drops": 2
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 3
         },
         {

backend/main.py

@@ -682,7 +682,7 @@ def revoke_business(user_id: int, body: dict = None, user=Depends(require_role("
     conn = get_db()
     conn.execute("UPDATE users SET business_verified = 0 WHERE id = ?", (user_id,))
     reason = (body or {}).get("reason", "").strip()
-    target = conn.execute("SELECT role FROM users WHERE id = ?", (user_id,)).fetchone()
+    target = conn.execute("SELECT role, display_name, username FROM users WHERE id = ?", (user_id,)).fetchone()
     if target:
         msg = "你的商业用户资格已被取消。"
         if reason:

frontend/cypress/e2e/kit-export.cy.js

@@ -0,0 +1,137 @@
+describe('Kit Export Feature', () => {
+  let adminToken
+  let authHeaders
+
+  before(() => {
+    cy.getAdminToken().then(token => {
+      adminToken = token
+      authHeaders = { Authorization: `Bearer ${token}` }
+    })
+  })
+
+  describe('API: recipes and oils available', () => {
+    it('loads oils list', () => {
+      cy.request({ url: '/api/oils', headers: authHeaders }).then(res => {
+        expect(res.status).to.eq(200)
+        expect(res.body).to.be.an('array')
+        expect(res.body.length).to.be.greaterThan(50)
+      })
+    })
+
+    it('loads recipes list', () => {
+      cy.request({ url: '/api/recipes', headers: authHeaders }).then(res => {
+        expect(res.status).to.eq(200)
+        expect(res.body).to.be.an('array')
+        expect(res.body.length).to.be.greaterThan(10)
+      })
+    })
+  })
+
+  describe('UI: Projects page access', () => {
+    it('shows login prompt when not logged in', () => {
+      cy.visit('/projects')
+      cy.contains('登录', { timeout: 10000 }).should('be.visible')
+    })
+
+    it('shows kit compare button when logged in as admin', () => {
+      cy.visit('/projects', {
+        onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) }
+      })
+      cy.contains('套装方案对比', { timeout: 10000 }).should('be.visible')
+    })
+  })
+
+  describe('UI: Kit Export page', () => {
+    beforeEach(() => {
+      cy.visit('/kit-export', {
+        onBeforeLoad(win) { win.localStorage.setItem('oil_auth_token', adminToken) }
+      })
+    })
+
+    it('loads with 4 kit cards', () => {
+      cy.get('.kit-card', { timeout: 10000 }).should('have.length', 4)
+    })
+
+    it('shows kit names and prices', () => {
+      cy.contains('芳香调理套装').should('be.visible')
+      cy.contains('家庭医生套装').should('be.visible')
+      cy.contains('居家呵护套装').should('be.visible')
+      cy.contains('全精油套装').should('be.visible')
+      cy.contains('¥1575').should('be.visible')
+      cy.contains('¥2250').should('be.visible')
+      cy.contains('¥3988').should('be.visible')
+      cy.contains('¥17700').should('be.visible')
+    })
+
+    it('shows recipe count for each kit', () => {
+      cy.get('.kit-recipe-count').should('have.length', 4)
+      cy.get('.kit-recipe-count').each($el => {
+        expect($el.text()).to.match(/可做 \d+ 个配方/)
+      })
+    })
+
+    it('clicking a kit card shows its recipes', () => {
+      cy.get('.kit-card').eq(1).click()
+      cy.get('.kit-detail', { timeout: 5000 }).should('be.visible')
+      cy.get('.recipe-table').should('exist')
+    })
+
+    it('recipe table has cost and profit columns', () => {
+      cy.get('.kit-card').first().click()
+      cy.get('.recipe-table', { timeout: 5000 }).within(() => {
+        cy.contains('th', '套装成本').should('exist')
+        cy.contains('th', '单买成本').should('exist')
+        cy.contains('th', '售价').should('exist')
+        cy.contains('th', '利润率').should('exist')
+        cy.contains('th', '可做次数').should('exist')
+      })
+    })
+
+    it('shows cross comparison section', () => {
+      cy.get('.cross-section', { timeout: 10000 }).should('be.visible')
+      cy.get('.cross-table').should('exist')
+    })
+
+    it('cross comparison has single-buy column', () => {
+      cy.get('.cross-table', { timeout: 10000 }).within(() => {
+        cy.contains('th', '单买').should('exist')
+      })
+    })
+
+    it('cross comparison shows staircase pattern (available cells have green bg)', () => {
+      cy.get('.td-kit-available', { timeout: 10000 }).should('have.length.greaterThan', 0)
+      cy.get('.td-kit-na').should('have.length.greaterThan', 0)
+    })
+
+    it('kit cost is always <= original cost in recipe table', () => {
+      cy.get('.kit-card').first().click()
+      cy.get('.recipe-table tbody tr', { timeout: 5000 }).each($row => {
+        const cells = $row.find('td')
+        // td[1] = 可做次数, td[2] = 套装成本, td[3] = 单买成本
+        const kitCostText = cells.eq(2).text().replace(/[¥,\s]/g, '')
+        const origCostText = cells.eq(3).text().replace(/[¥,\s]/g, '')
+        const kitCost = parseFloat(kitCostText)
+        const origCost = parseFloat(origCostText)
+        if (!isNaN(kitCost) && !isNaN(origCost)) {
+          expect(kitCost).to.be.at.most(origCost + 0.01)
+        }
+      })
+    })
+
+    it('export buttons exist', () => {
+      cy.contains('button', '导出完整版').should('be.visible')
+      cy.contains('button', '导出简版').should('be.visible')
+    })
+
+    it('shows volume info next to recipe name', () => {
+      cy.get('.td-volume', { timeout: 10000 }).should('have.length.greaterThan', 0)
+    })
+  })
+
+  describe('UI: Kit Export access control', () => {
+    it('redirects to /projects when not logged in', () => {
+      cy.visit('/kit-export')
+      cy.url({ timeout: 10000 }).should('include', '/projects')
+    })
+  })
+})

frontend/src/__tests__/kitCost.test.js

@@ -0,0 +1,330 @@
+import { describe, it, expect } from 'vitest'
+import prodData from './fixtures/production-data.json'
+import { KITS } from '../config/kits'
+
+const oils = prodData.oils
+
+// ---------------------------------------------------------------------------
+// Replicate kit cost calculation logic from useKitCost.js (pure functions)
+// ---------------------------------------------------------------------------
+
+function resolveOilName(kitOilName) {
+  if (oils[kitOilName]) return kitOilName
+  const match = Object.keys(oils).find(n => n.endsWith(kitOilName) && n !== kitOilName)
+  return match || kitOilName
+}
+
+function calcKitPerDrop(kit) {
+  const resolved = kit.oils.map(resolveOilName)
+  const bc = kit.bottleCount || {}
+  let totalBottlePrice = 0
+  const oilBottlePrices = {}
+  for (const name of resolved) {
+    const meta = oils[name]
+    const count = bc[name] || 1
+    const bp = meta ? meta.bottlePrice * count : 0
+    oilBottlePrices[name] = bp
+    totalBottlePrice += bp
+  }
+  if (totalBottlePrice === 0) return {}
+
+  const totalValue = totalBottlePrice + (kit.accessoryValue || 0)
+  const discountRate = Math.min(kit.price / totalValue, 1)
+  const perDrop = {}
+  for (const name of resolved) {
+    const meta = oils[name]
+    const count = bc[name] || 1
+    const bp = oilBottlePrices[name]
+    const kitCostForOil = bp * discountRate
+    const totalDrops = meta ? meta.dropCount * count : 1
+    perDrop[name] = totalDrops > 0 ? kitCostForOil / totalDrops : 0
+  }
+  return perDrop
+}
+
+function canMakeRecipe(kit, recipe) {
+  const resolvedSet = new Set(kit.oils.map(resolveOilName))
+  return recipe.ingredients.every(ing => resolvedSet.has(ing.oil))
+}
+
+function calcRecipeCostWithKit(kitPerDrop, recipe) {
+  return recipe.ingredients.reduce((sum, ing) => {
+    return sum + (kitPerDrop[ing.oil] || 0) * ing.drops
+  }, 0)
+}
+
+function calcOriginalCost(recipe) {
+  return recipe.ingredients.reduce((sum, ing) => {
+    const meta = oils[ing.oil]
+    if (!meta || !meta.dropCount) return sum
+    return sum + (meta.bottlePrice / meta.dropCount) * ing.drops
+  }, 0)
+}
+
+// ---------------------------------------------------------------------------
+// Kit Configuration
+// ---------------------------------------------------------------------------
+describe('Kit Configuration', () => {
+  it('has 4 kits defined', () => {
+    expect(KITS).toHaveLength(4)
+  })
+
+  it('each kit has required fields', () => {
+    for (const kit of KITS) {
+      expect(kit).toHaveProperty('id')
+      expect(kit).toHaveProperty('name')
+      expect(kit).toHaveProperty('price')
+      expect(kit).toHaveProperty('oils')
+      expect(kit.price).toBeGreaterThan(0)
+      expect(kit.oils.length).toBeGreaterThan(0)
+    }
+  })
+
+  it('all kits include coconut oil', () => {
+    for (const kit of KITS) {
+      expect(kit.oils).toContain('椰子油')
+    }
+  })
+
+  it('kit ids are unique', () => {
+    const ids = KITS.map(k => k.id)
+    expect(new Set(ids).size).toBe(ids.length)
+  })
+
+  it('芳香调理 has 9 oils at ¥1575', () => {
+    const kit = KITS.find(k => k.id === 'aroma')
+    expect(kit.price).toBe(1575)
+    expect(kit.oils).toHaveLength(9)
+  })
+
+  it('家庭医生 has 11 oils at ¥2250', () => {
+    const kit = KITS.find(k => k.id === 'family')
+    expect(kit.price).toBe(2250)
+    expect(kit.oils).toHaveLength(11)
+  })
+
+  it('居家呵护 has 23 oils at ¥3988', () => {
+    const kit = KITS.find(k => k.id === 'home3988')
+    expect(kit.price).toBe(3988)
+    expect(kit.oils).toHaveLength(23)
+  })
+
+  it('全精油 has 80 oils at ¥17700 with bottleCount for coconut oil', () => {
+    const kit = KITS.find(k => k.id === 'full')
+    expect(kit.price).toBe(17700)
+    expect(kit.oils.length).toBe(80)
+    expect(kit.bottleCount).toBeDefined()
+    expect(kit.bottleCount['椰子油']).toBeCloseTo(2.57, 2)
+  })
+})
+
+// ---------------------------------------------------------------------------
+// Oil Name Resolution
+// ---------------------------------------------------------------------------
+describe('Oil Name Resolution', () => {
+  it('resolves exact match', () => {
+    expect(resolveOilName('薰衣草')).toBe('薰衣草')
+    expect(resolveOilName('乳香')).toBe('乳香')
+  })
+
+  it('resolves 牛至 to 西班牙牛至 via endsWith', () => {
+    expect(resolveOilName('牛至')).toBe('西班牙牛至')
+  })
+
+  it('does NOT resolve 牛至 to 牛至呵护', () => {
+    expect(resolveOilName('牛至')).not.toBe('牛至呵护')
+  })
+
+  it('returns original name for unknown oil', () => {
+    expect(resolveOilName('不存在的油')).toBe('不存在的油')
+  })
+})
+
+// ---------------------------------------------------------------------------
+// Kit Cost Calculation
+// ---------------------------------------------------------------------------
+describe('Kit Cost Calculation', () => {
+  it('discount rate is always <= 1 (kit never more expensive than buying individually)', () => {
+    for (const kit of KITS) {
+      const perDrop = calcKitPerDrop(kit)
+      for (const [name, ppd] of Object.entries(perDrop)) {
+        const meta = oils[name]
+        if (!meta || !meta.dropCount) continue
+        const originalPpd = meta.bottlePrice / meta.dropCount
+        expect(ppd).toBeLessThanOrEqual(originalPpd + 0.001) // tiny float tolerance
+      }
+    }
+  })
+
+  it('家庭医生 discount is ~32-33%', () => {
+    const kit = KITS.find(k => k.id === 'family')
+    const bc = kit.bottleCount || {}
+    let totalBp = 0
+    for (const name of kit.oils) {
+      const resolved = resolveOilName(name)
+      const meta = oils[resolved]
+      totalBp += meta ? meta.bottlePrice * (bc[resolved] || 1) : 0
+    }
+    const totalValue = totalBp + (kit.accessoryValue || 0)
+    const discount = 1 - kit.price / totalValue
+    expect(discount).toBeGreaterThan(0.30)
+    expect(discount).toBeLessThan(0.40)
+  })
+
+  it('kit cost for a recipe is less than original cost', () => {
+    const kit = KITS.find(k => k.id === 'family')
+    const perDrop = calcKitPerDrop(kit)
+    // 灰指甲: 西班牙牛至 + 椰子油
+    const recipe = prodData.recipes.find(r => r.name === '灰指甲')
+    if (recipe && canMakeRecipe(kit, recipe)) {
+      const kitCost = calcRecipeCostWithKit(perDrop, recipe)
+      const origCost = calcOriginalCost(recipe)
+      expect(kitCost).toBeLessThan(origCost)
+      expect(kitCost).toBeGreaterThan(0)
+    }
+  })
+
+  it('全精油 bottleCount 2.57 makes coconut oil cheaper per drop than without multiplier', () => {
+    const fullKit = KITS.find(k => k.id === 'full')
+    const perDrop = calcKitPerDrop(fullKit)
+    // With 2.57 bottles, per-drop cost should be roughly 1/2.57 of single-bottle kit cost
+    // at the same discount rate. Just verify it's significantly less than original per-drop.
+    const origPpd = oils['椰子油'].bottlePrice / oils['椰子油'].dropCount
+    expect(perDrop['椰子油']).toBeLessThan(origPpd)
+    expect(perDrop['椰子油']).toBeGreaterThan(0)
+  })
+
+  it('accessoryValue reduces effective oil cost', () => {
+    const kit = KITS.find(k => k.id === 'family')
+    // Without accessory: rate = price / totalBp
+    // With accessory: rate = price / (totalBp + accessoryValue) < previous rate
+    expect(kit.accessoryValue).toBeGreaterThan(0)
+
+    const bc = kit.bottleCount || {}
+    let totalBp = 0
+    for (const name of kit.oils) {
+      const resolved = resolveOilName(name)
+      const meta = oils[resolved]
+      totalBp += meta ? meta.bottlePrice * (bc[resolved] || 1) : 0
+    }
+    const rateWithAcc = kit.price / (totalBp + kit.accessoryValue)
+    const rateWithoutAcc = kit.price / totalBp
+    expect(rateWithAcc).toBeLessThan(rateWithoutAcc)
+  })
+})
+
+// ---------------------------------------------------------------------------
+// Recipe Matching
+// ---------------------------------------------------------------------------
+describe('Recipe Matching', () => {
+  it('larger kits can make at least as many recipes as smaller ones', () => {
+    const counts = KITS.map(kit => {
+      const matched = prodData.recipes.filter(r => canMakeRecipe(kit, r))
+      return { id: kit.id, count: matched.length, oilCount: kit.oils.length }
+    }).sort((a, b) => a.oilCount - b.oilCount)
+
+    for (let i = 1; i < counts.length; i++) {
+      expect(counts[i].count).toBeGreaterThanOrEqual(counts[i - 1].count)
+    }
+  })
+
+  it('全精油 can make the most recipes', () => {
+    const fullKit = KITS.find(k => k.id === 'full')
+    const fullCount = prodData.recipes.filter(r => canMakeRecipe(fullKit, r)).length
+
+    for (const kit of KITS) {
+      if (kit.id === 'full') continue
+      const count = prodData.recipes.filter(r => canMakeRecipe(kit, r)).length
+      expect(fullCount).toBeGreaterThanOrEqual(count)
+    }
+  })
+
+  it('灰指甲 (牛至+椰子油) can be made by 家庭医生', () => {
+    const kit = KITS.find(k => k.id === 'family')
+    const recipe = prodData.recipes.find(r => r.name === '灰指甲')
+    expect(canMakeRecipe(kit, recipe)).toBe(true)
+  })
+
+  it('recipe requiring 永久花 cannot be made by 芳香调理', () => {
+    const kit = KITS.find(k => k.id === 'aroma')
+    const recipe = prodData.recipes.find(r => r.name === '小v脸') // has 永久花
+    expect(canMakeRecipe(kit, recipe)).toBe(false)
+  })
+})
+
+// ---------------------------------------------------------------------------
+// Accessory Values — PR32
+// ---------------------------------------------------------------------------
+describe('Accessory Values', () => {
+  it('芳香调理 has no accessories', () => {
+    const kit = KITS.find(k => k.id === 'aroma')
+    expect(kit.accessoryValue).toBeUndefined()
+  })
+
+  it('家庭医生 accessories = 475 (香薰机375 + 木盒100)', () => {
+    const kit = KITS.find(k => k.id === 'family')
+    expect(kit.accessoryValue).toBe(475)
+  })
+
+  it('居家呵护 accessories = 585 (香薰机375 + 竹木架210)', () => {
+    const kit = KITS.find(k => k.id === 'home3988')
+    expect(kit.accessoryValue).toBe(585)
+  })
+
+  it('全精油 accessories = 795 (香薰机375 + 竹木架210×2)', () => {
+    const kit = KITS.find(k => k.id === 'full')
+    expect(kit.accessoryValue).toBe(795)
+  })
+})
+
+// ---------------------------------------------------------------------------
+// Discount Rate Calculation — PR32
+// ---------------------------------------------------------------------------
+describe('Discount Rate', () => {
+  function calcDiscountRate(kit) {
+    const resolved = kit.oils.map(resolveOilName)
+    const bc = kit.bottleCount || {}
+    let totalBP = 0
+    for (const name of resolved) {
+      const meta = oils[name]
+      totalBP += meta ? meta.bottlePrice * (bc[name] || 1) : 0
+    }
+    const totalValue = totalBP + (kit.accessoryValue || 0)
+    return totalValue > 0 ? Math.min(kit.price / totalValue, 1) : 1
+  }
+
+  it('all kits have discount rate < 1 (套装比单买便宜)', () => {
+    for (const kit of KITS) {
+      const rate = calcDiscountRate(kit)
+      expect(rate).toBeLessThan(1)
+      expect(rate).toBeGreaterThan(0)
+    }
+  })
+
+  it('全精油 discount rate ≈ 0.69', () => {
+    const kit = KITS.find(k => k.id === 'full')
+    const rate = calcDiscountRate(kit)
+    expect(rate).toBeGreaterThan(0.65)
+    expect(rate).toBeLessThan(0.75)
+  })
+
+  it('larger kits have better discounts', () => {
+    const rates = KITS.map(k => ({ id: k.id, rate: calcDiscountRate(k), count: k.oils.length }))
+    rates.sort((a, b) => a.count - b.count)
+    // Generally larger kits should have lower discount rate (better deal)
+    // At minimum, the largest kit should have a lower rate than the smallest
+    expect(rates[rates.length - 1].rate).toBeLessThanOrEqual(rates[0].rate)
+  })
+
+  it('kit cost per recipe should be less than original cost', () => {
+    for (const kit of KITS) {
+      const perDrop = calcKitPerDrop(kit)
+      const recipes = prodData.recipes.filter(r => canMakeRecipe(kit, r))
+      for (const r of recipes.slice(0, 5)) {
+        const kitCost = calcRecipeCostWithKit(perDrop, r)
+        const originalCost = calcOriginalCost(r)
+        expect(kitCost).toBeLessThanOrEqual(originalCost + 0.01)
+      }
+    }
+  })
+})

frontend/src/components/RecipeDetailOverlay.vue

@@ -1010,6 +1010,7 @@ async function saveRecipe() {
       note: editNote.value.trim(),
       tags: editTags.value,
       ingredients: allIngs,
+      volume: selectedVolume.value || '',
     }
     await recipesStore.saveRecipe(payload)
     // Reload recipes so the data is fresh when re-opened

frontend/src/composables/useKitCost.js

@@ -0,0 +1,173 @@
+import { computed } from 'vue'
+import { useOilsStore } from '../stores/oils'
+import { useRecipesStore } from '../stores/recipes'
+import { KITS } from '../config/kits'
+
+/**
+ * 套装成本分摊与配方匹配
+ *
+ * 分摊逻辑：按各精油原瓶价占比分摊套装总价
+ *   某精油套装内成本 = (该油原瓶价 / 套装内所有油原瓶价之和) × 套装总价
+ *   套装内每滴成本 = 套装内成本 / 该油滴数
+ */
+export function useKitCost() {
+  const oils = useOilsStore()
+  const recipeStore = useRecipesStore()
+
+  // Resolve kit oil name to system oil name (handles 牛至→西班牙牛至 etc.)
+  function resolveOilName(kitOilName) {
+    if (oils.oilsMeta[kitOilName]) return kitOilName
+    // Try finding system oil that ends with kit name
+    return oils.oilNames.find(n => n.endsWith(kitOilName) && n !== kitOilName) || kitOilName
+  }
+
+  // Calculate per-drop costs for a kit
+  function calcKitPerDrop(kit) {
+    const resolved = kit.oils.map(name => resolveOilName(name))
+    const bc = kit.bottleCount || {} // e.g. { '椰子油': 2.57 }
+    // Sum of bottle prices for all oils in kit (accounting for multiple bottles)
+    let totalBottlePrice = 0
+    const oilBottlePrices = {}
+    for (const name of resolved) {
+      const meta = oils.oilsMeta[name]
+      const count = bc[name] || 1
+      const bp = meta ? meta.bottlePrice * count : 0
+      oilBottlePrices[name] = bp
+      totalBottlePrice += bp
+    }
+    if (totalBottlePrice === 0) return {}
+
+    // Uniform discount: kit price covers oils + accessories at the same discount rate
+    // discount_rate = kit_price / (oil_total + accessory_value)
+    // each oil's kit cost = bottle_price × discount_rate
+    const totalValue = totalBottlePrice + (kit.accessoryValue || 0)
+    const discountRate = Math.min(kit.price / totalValue, 1) // cap at 1 (no markup)
+    const perDrop = {}
+    for (const name of resolved) {
+      const meta = oils.oilsMeta[name]
+      const count = bc[name] || 1
+      const bp = oilBottlePrices[name]
+      const kitCostForOil = bp * discountRate
+      const totalDrops = meta ? meta.dropCount * count : 1
+      perDrop[name] = totalDrops > 0 ? kitCostForOil / totalDrops : 0
+    }
+    return perDrop
+  }
+
+  // Check if a recipe can be made with a kit
+  function canMakeRecipe(kit, recipe) {
+    const resolvedSet = new Set(kit.oils.map(name => resolveOilName(name)))
+    return recipe.ingredients.every(ing => resolvedSet.has(ing.oil))
+  }
+
+  // Calculate recipe cost using kit pricing
+  function calcRecipeCostWithKit(kitPerDrop, recipe) {
+    return recipe.ingredients.reduce((sum, ing) => {
+      const ppd = kitPerDrop[ing.oil] || 0
+      return sum + ppd * ing.drops
+    }, 0)
+  }
+
+  // Get all matching recipes for a kit
+  function getKitRecipes(kit) {
+    const perDrop = calcKitPerDrop(kit)
+    return recipeStore.recipes
+      .filter(r => canMakeRecipe(kit, r))
+      .map(r => ({
+        ...r,
+        kitCost: calcRecipeCostWithKit(perDrop, r),
+        originalCost: oils.calcCost(r.ingredients),
+      }))
+      .sort((a, b) => a.name.localeCompare(b.name, 'zh'))
+  }
+
+  // Build full analysis for all kits, sorted by recipe count ascending (fewest recipes first)
+  const kitAnalysis = computed(() => {
+    return KITS.map(kit => {
+      const perDrop = calcKitPerDrop(kit)
+      const recipes = getKitRecipes(kit)
+      // Calculate discount rate for display
+      const resolved = kit.oils.map(name => resolveOilName(name))
+      const bc = kit.bottleCount || {}
+      let totalBP = 0
+      for (const name of resolved) {
+        const meta = oils.oilsMeta[name]
+        totalBP += meta ? meta.bottlePrice * (bc[name] || 1) : 0
+      }
+      const totalValue = totalBP + (kit.accessoryValue || 0)
+      const discountRate = totalValue > 0 ? Math.min(kit.price / totalValue, 1) : 1
+
+      return {
+        ...kit,
+        perDrop,
+        recipes,
+        recipeCount: recipes.length,
+        discountRate,
+      }
+    }).sort((a, b) => a.recipeCount - b.recipeCount)
+  })
+
+  // Cross-kit comparison: membership-tier style
+  // Columns: kits ordered by recipe count (fewest→most, from kitAnalysis)
+  // Rows: recipes available to most kits at top, exclusive recipes at bottom (staircase pattern)
+  const crossComparison = computed(() => {
+    const analysis = kitAnalysis.value
+    // Kit order for staircase: index in sorted analysis (0 = smallest kit)
+    const kitOrder = analysis.map(ka => ka.id)
+
+    const allRecipeIds = new Set()
+    for (const ka of analysis) {
+      for (const r of ka.recipes) allRecipeIds.add(r._id)
+    }
+
+    const rows = []
+    for (const id of allRecipeIds) {
+      let recipe = null
+      const costs = {}
+      let availCount = 0
+      // Track which kit columns have this recipe (by index in sorted order)
+      let smallestKitIdx = kitOrder.length
+      for (let i = 0; i < analysis.length; i++) {
+        const ka = analysis[i]
+        const found = ka.recipes.find(r => r._id === id)
+        if (found) {
+          if (!recipe) recipe = found
+          costs[ka.id] = found.kitCost
+          availCount++
+          if (i < smallestKitIdx) smallestKitIdx = i
+        } else {
+          costs[ka.id] = null
+        }
+      }
+      rows.push({
+        id,
+        name: recipe.name,
+        tags: recipe.tags,
+        volume: recipe.volume,
+        ingredients: recipe.ingredients,
+        originalCost: recipe.originalCost,
+        costs,
+        availCount,
+        smallestKitIdx,
+      })
+    }
+    // Staircase sort: most available first, then by smallest kit that has it, then by name
+    rows.sort((a, b) => {
+      if (a.availCount !== b.availCount) return b.availCount - a.availCount
+      if (a.smallestKitIdx !== b.smallestKitIdx) return a.smallestKitIdx - b.smallestKitIdx
+      return a.name.localeCompare(b.name, 'zh')
+    })
+    return rows
+  })
+
+  return {
+    KITS,
+    resolveOilName,
+    calcKitPerDrop,
+    canMakeRecipe,
+    calcRecipeCostWithKit,
+    getKitRecipes,
+    kitAnalysis,
+    crossComparison,
+  }
+}

frontend/src/config/kits.js

@@ -0,0 +1,64 @@
+// doTERRA 套装配置
+// 价格和内容更新频率低，手动维护即可
+// bottleCount: 某种油在套装中的瓶数（用于成本分摊和可做次数计算，默认1）
+// accessoryValue: 配件价值（香薰机、木盒等），从套装价中扣除后再分摊到精油
+export const KITS = [
+  {
+    id: 'aroma',
+    name: '芳香调理套装',
+    price: 1575,
+    oils: [
+      '茶树', '野橘', '椒样薄荷', '薰衣草',
+      '芳香调理', '安定情绪', '保卫', '舒缓',
+      '椰子油',
+    ],
+  },
+  {
+    id: 'family',
+    name: '家庭医生套装',
+    price: 2250,
+    accessoryValue: 475, // 香薰机375 + 木盒100
+    oils: [
+      '乳香', '茶树', '薰衣草', '柠檬', '椒样薄荷', '西班牙牛至',
+      '乐活', '舒缓', '保卫', '顺畅呼吸',
+      '椰子油',
+    ],
+  },
+  {
+    id: 'home3988',
+    name: '居家呵护套装',
+    price: 3988,
+    accessoryValue: 585, // 香薰机375 + 旋转竹木精油架210
+    oils: [
+      '乳香', '野橘', '柠檬', '薰衣草', '椒样薄荷', '冬青', '茶树', '生姜', '柠檬草', '西班牙牛至',
+      '西洋蓍草', '乐活', '保卫', '新瑞活力', '舒缓', '安定情绪', '安宁神气', '顺畅呼吸', '柑橘清新', '芳香调理', '元气焕能',
+      '仕女呵护',
+      '椰子油',
+    ],
+  },
+  {
+    id: 'full',
+    name: '全精油套装',
+    price: 17700,
+    oils: [
+      '侧柏', '乳香', '雪松', '芫荽', '芫荽叶', '丝柏', '圆柚', '红橘', '冬青', '没药', '扁柏', '檀香', '姜黄', '玫瑰',
+      '绿薄荷', '薰衣草', '永久花', '香蜂草', '迷迭香', '麦卢卡', '天竺葵', '蓝艾菊', '小茴香',
+      '古巴香脂', '依兰依兰', '丁香花蕾', '柠檬尤加利', '广藿香',
+      '罗勒', '莱姆', '生姜', '柠檬', '茶树', '野橘', '香茅', '枫香',
+      '芹菜籽', '岩兰草', '苦橙叶', '柠檬草', '山鸡椒', '黑云杉',
+      '马郁兰', '佛手柑', '黑胡椒', '小豆蔻', '尤加利', '百里香',
+      '椒样薄荷', '杜松浆果', '加州胡椒', '罗马洋甘菊', '道格拉斯冷杉', '西班牙鼠尾草',
+      '快乐鼠尾草', '西伯利亚冷杉',
+      '西班牙牛至', '斯里兰卡肉桂皮',
+      // 复配精油
+      '完美修护', '西洋蓍草', '花样年华焕肤油', '元气焕能', '舒缓',
+      '保卫', '乐释', '乐活', '愈创木', '椰风香草', '清醇薄荷',
+      '柑橘绚烂', '新瑞活力', '安宁神气', '芳香调理', '安定情绪',
+      '柑橘清新', '顺畅呼吸', '净化清新', '赋活呼吸', '天然防护',
+      '椰子油',
+    ],
+    accessoryValue: 795, // 香薰机375 + 旋转竹木精油架210×2
+    // 115mL×1 + 30mL×6 = 295mL, 标准瓶115mL, 约2.57瓶
+    bottleCount: { '椰子油': 2.57 },
+  },
+]

frontend/src/router/index.js

@@ -29,6 +29,12 @@ const routes = [
     component: () => import('../views/Projects.vue'),
     meta: { requiresAuth: true },
   },
+  {
+    path: '/kit-export',
+    name: 'KitExport',
+    component: () => import('../views/KitExport.vue'),
+    meta: { requiresAuth: true },
+  },
   {
     path: '/mydiary',
     name: 'MyDiary',

frontend/src/views/Inventory.vue

@@ -101,6 +101,7 @@ import { useOilsStore } from '../stores/oils'
 import { useRecipesStore } from '../stores/recipes'
 import { useUiStore } from '../stores/ui'
 import { api } from '../composables/useApi'
+import { KITS as KIT_LIST } from '../config/kits'
 
 const auth = useAuthStore()
 const oils = useOilsStore()
@@ -120,30 +121,17 @@ const searchResults = computed(() => {
   return oils.oilNames.filter(n => n.toLowerCase().includes(q)).slice(0, 15)
 })
 
-// Kit definitions
+// Kit definitions from shared config
-const KITS = {
+const KITS = Object.fromEntries(KIT_LIST.map(k => [k.id, k.oils]))
-  family: ['乳香', '茶树', '薰衣草', '柠檬', '椒样薄荷', '保卫', '牛至', '乐活', '顺畅呼吸', '舒缓'],
-  home3988: ['乳香', '野橘', '柠檬', '薰衣草', '椒样薄荷', '冬青', '茶树', '生姜', '柠檬草', '西班牙牛至',
-    '西洋蓍草石榴籽', '乐活', '保卫', '新瑞活力', '舒缓', '安定情绪', '安宁神气', '顺畅呼吸', '柑橘清新', '芳香调理', '元气焕能'],
-  aroma: ['薰衣草', '舒缓', '安定情绪', '芳香调理', '野橘', '椒样薄荷', '保卫', '茶树'],
-  full: ['侧柏', '乳香', '雪松', '芫荽', '丝柏', '圆柚', '红橘', '冬青', '没药', '扁柏', '檀香', '姜黄', '玫瑰',
-    '绿薄荷', '薰衣草', '永久花', '香蜂草', '迷迭香', '麦卢卡', '天竺葵', '蓝艾菊', '小茴香',
-    '古巴香脂', '依兰依兰', '丁香花蕾', '柠檬尤加利', '藿香', '西班牙牛至尾草',
-    '罗勒', '莱姆', '生姜', '柠檬', '茶树', '野橘', '香茅', '枫香',
-    '芹菜籽', '岩兰草', '苦橙叶', '柠檬草', '山鸡椒', '黑云杉',
-    '马郁兰', '佛手柑', '黑胡椒', '小豆蔻', '尤加利', '百里香',
-    '椒样薄荷', '杜松浆果', '加州白鼠尾草',
-    '快乐鼠尾草', '西伯利亚冷杉',
-    '西班牙牛至', '斯里兰卡肉桂']
-}
 
 function addKit(kitName) {
   const kit = KITS[kitName]
   if (!kit) return
   let added = 0
   for (const name of kit) {
-    // Match existing oil names (fuzzy)
+    // Match existing oil names: exact first, then oil name ending with kit name (西班牙牛至 matches 牛至, but 牛至呵护 does not)
-    const match = oils.oilNames.find(n => n === name) || oils.oilNames.find(n => n.includes(name) || name.includes(n))
+    const match = oils.oilNames.find(n => n === name)
+      || oils.oilNames.find(n => n.endsWith(name) && n !== name)
     if (match && !ownedOils.value.includes(match)) {
       ownedOils.value.push(match)
       added++

frontend/src/views/KitExport.vue

@@ -0,0 +1,504 @@
+<template>
+  <div class="kit-export-page">
+    <div class="toolbar-sticky">
+      <div class="toolbar-inner">
+        <button class="btn-back" @click="$router.push('/projects')">&larr; 返回</button>
+        <h3 class="page-title">套装方案对比</h3>
+        <div class="toolbar-actions">
+          <button class="btn-outline btn-sm" @click="exportExcel('full')">导出完整版</button>
+          <button class="btn-outline btn-sm" @click="exportExcel('simple')">导出简版</button>
+        </div>
+      </div>
+    </div>
+
+    <!-- Kit Summary Cards -->
+    <div class="kit-cards">
+      <div
+        v-for="ka in kitAnalysis"
+        :key="ka.id"
+        class="kit-card"
+        :class="{ active: activeKit === ka.id }"
+        @click="activeKit = ka.id"
+      >
+        <div class="kit-name">{{ ka.name }}</div>
+        <div class="kit-price">¥{{ ka.price }}</div>
+        <div class="kit-discount">会员价后再{{ (ka.discountRate * 10).toFixed(1) }}折</div>
+        <div class="kit-stats">
+          <span>{{ ka.oils.length }} 种精油</span>
+          <span class="kit-recipe-count">可做 {{ ka.recipeCount }} 个配方</span>
+        </div>
+      </div>
+    </div>
+
+    <!-- Active Kit Detail -->
+    <div v-if="activeKitData" class="kit-detail">
+      <div class="detail-header">
+        <h4>{{ activeKitData.name }} — 可做配方 ({{ activeKitData.recipeCount }})</h4>
+      </div>
+      <div v-if="activeKitData.recipes.length === 0" class="empty-hint">该套装暂无完全匹配的配方</div>
+      <table v-else class="recipe-table">
+        <thead>
+          <tr>
+            <th class="th-name">配方名</th>
+            <th class="th-times">可做次数</th>
+            <th class="th-cost">套装成本</th>
+            <th class="th-cost">单买成本</th>
+            <th class="th-price">售价</th>
+            <th class="th-profit">利润率</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr v-for="r in activeKitData.recipes" :key="r._id">
+            <td class="td-name">{{ r.name }} <span v-if="volumeLabel(r)" class="td-volume">{{ volumeLabel(r) }}</span></td>
+            <td class="td-times">{{ calcMaxTimes(r) }}</td>
+            <td class="td-cost">{{ fmtPrice(r.kitCost) }}</td>
+            <td class="td-cost original">{{ fmtPrice(r.originalCost) }}</td>
+            <td class="td-price">
+              <div class="price-input-wrap">
+                <span>¥</span>
+                <input
+                  type="number"
+                  :value="getSellingPrice(r._id)"
+                  @change="setSellingPrice(r._id, $event.target.value)"
+                  class="selling-input"
+                />
+              </div>
+            </td>
+            <td class="td-profit" :class="{ negative: calcMargin(r.kitCost, getSellingPrice(r._id)) < 0 }">
+              {{ calcMargin(r.kitCost, getSellingPrice(r._id)).toFixed(1) }}%
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+
+    <!-- Cross Comparison -->
+    <div class="cross-section">
+      <h4>横向对比 ({{ crossComparison.length }} 个配方)</h4>
+      <div class="cross-scroll">
+        <table class="cross-table">
+          <thead>
+            <tr>
+              <th class="th-name">配方名</th>
+              <th v-for="ka in kitAnalysis" :key="ka.id" class="th-kit">{{ ka.name }}</th>
+              <th class="th-kit">单买</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="row in crossComparison" :key="row.id">
+              <td class="td-name">{{ row.name }} <span v-if="volumeLabel(row)" class="td-volume">{{ volumeLabel(row) }}</span></td>
+              <td v-for="ka in kitAnalysis" :key="ka.id" :class="row.costs[ka.id] != null ? 'td-kit-available' : 'td-kit-na'">
+                <template v-if="row.costs[ka.id] != null">{{ fmtPrice(row.costs[ka.id]) }}</template>
+                <template v-else><span class="na">—</span></template>
+              </td>
+              <td class="td-cost original">{{ fmtPrice(row.originalCost) }}</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, onMounted, watch } from 'vue'
+import { useRouter } from 'vue-router'
+import { useAuthStore } from '../stores/auth'
+import { useOilsStore } from '../stores/oils'
+import { useRecipesStore } from '../stores/recipes'
+import { useUiStore } from '../stores/ui'
+import { useKitCost } from '../composables/useKitCost'
+
+const router = useRouter()
+const auth = useAuthStore()
+const oils = useOilsStore()
+const recipeStore = useRecipesStore()
+const ui = useUiStore()
+const { KITS, kitAnalysis, crossComparison } = useKitCost()
+
+const activeKit = ref(KITS[0].id)
+const sellingPrices = ref({})
+
+const activeKitData = computed(() => kitAnalysis.value.find(k => k.id === activeKit.value))
+
+function volumeLabel(recipe) {
+  const vol = recipe.volume
+  if (vol) {
+    if (vol === 'single') return '单次'
+    if (vol === 'custom') return ''
+    if (/^\d+$/.test(vol)) return `${vol}ml`
+    return vol
+  }
+  const ings = recipe.ingredients || []
+  const coco = ings.find(i => i.oil === '椰子油')
+  if (coco && coco.drops) {
+    const totalDrops = ings.reduce((s, i) => s + (i.drops || 0), 0)
+    const ml = totalDrops / 18.6
+    if (ml <= 2) return '单次'
+    return `${Math.round(ml)}ml`
+  }
+  let totalMl = 0
+  let hasProduct = false
+  for (const ing of ings) {
+    if (!oils.isPortionUnit(ing.oil)) continue
+    hasProduct = true
+    totalMl += ing.drops || 0
+  }
+  if (hasProduct && totalMl > 0) return `${Math.round(totalMl)}ml`
+  return ''
+}
+
+onMounted(async () => {
+  if (!auth.isBusiness && !auth.isAdmin) {
+    router.replace('/projects')
+    return
+  }
+  if (!oils.oilNames.length) await oils.loadOils()
+  if (!recipeStore.recipes.length) await recipeStore.loadRecipes()
+  loadSellingPrices()
+})
+
+// Persist selling prices to localStorage
+const STORAGE_KEY = 'kit-export-selling-prices'
+
+function loadSellingPrices() {
+  try {
+    const stored = localStorage.getItem(STORAGE_KEY)
+    if (stored) sellingPrices.value = JSON.parse(stored)
+  } catch { /* ignore */ }
+}
+
+function saveSellingPrices() {
+  localStorage.setItem(STORAGE_KEY, JSON.stringify(sellingPrices.value))
+}
+
+// Calculate how many times a recipe can be made with the kit (limited by the oil that runs out first)
+function calcMaxTimes(recipe) {
+  const ings = (recipe.ingredients || []).filter(i => i.oil && i.oil !== '椰子油' && i.drops > 0)
+  if (!ings.length) return '—'
+  let minTimes = Infinity
+  for (const ing of ings) {
+    const meta = oils.oilsMeta[ing.oil]
+    if (!meta || !meta.dropCount) return '—'
+    const times = Math.floor(meta.dropCount / ing.drops)
+    if (times < minTimes) minTimes = times
+  }
+  return minTimes === Infinity ? '—' : minTimes + '次'
+}
+
+function getSellingPrice(recipeId) {
+  return sellingPrices.value[recipeId] ?? 0
+}
+
+function setSellingPrice(recipeId, val) {
+  sellingPrices.value[recipeId] = Number(val) || 0
+  saveSellingPrices()
+}
+
+function fmtPrice(n) {
+  return '¥' + (n || 0).toFixed(2)
+}
+
+function calcMargin(cost, price) {
+  if (!price || price <= 0) return 0
+  return ((price - cost) / price) * 100
+}
+
+// Excel export
+async function exportExcel(mode) {
+  const ExcelJS = (await import('exceljs')).default || await import('exceljs')
+  const wb = new ExcelJS.Workbook()
+
+  const headerFill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FF4A9D7E' } }
+  const headerFont = { bold: true, color: { argb: 'FFFFFFFF' }, size: 11 }
+  const priceFont = { color: { argb: 'FF4A9D7E' } }
+  const naFont = { color: { argb: 'FFBBBBBB' } }
+
+  function applyHeaderStyle(row) {
+    row.eachCell(cell => {
+      cell.fill = headerFill
+      cell.font = headerFont
+      cell.alignment = { horizontal: 'center', vertical: 'middle' }
+    })
+    row.height = 24
+  }
+
+  function autoCols(ws, ingredientCol = -1) {
+    ws.columns.forEach((col, i) => {
+      if (i === 0) {
+        // First column (配方名): fit longest content
+        let max = 8
+        col.eachCell({ includeEmpty: true }, cell => {
+          const len = cell.value ? String(cell.value).length * 1.8 : 0
+          if (len > max) max = len
+        })
+        col.width = Math.min(max + 2, 30)
+      } else if (i === ingredientCol) {
+        // Ingredient column: wider
+        col.width = 35
+      } else {
+        // All other columns: uniform narrow width
+        col.width = 10
+      }
+    })
+  }
+
+  // Per-kit sheets
+  for (const ka of kitAnalysis.value) {
+    const ws = wb.addWorksheet(ka.name)
+
+    // Kit info header
+    ws.mergeCells(mode === 'full' ? 'A1:H1' : 'A1:F1')
+    const titleCell = ws.getCell('A1')
+    titleCell.value = `${ka.name} — ¥${ka.price} — ${ka.oils.length}种精油 — 可做${ka.recipeCount}个配方`
+    titleCell.font = { bold: true, size: 13 }
+    titleCell.alignment = { horizontal: 'center' }
+
+    if (mode === 'full') {
+      // Full version: recipe name, tags, ingredients, times, kit cost, original cost, selling price, margin
+      const headers = ['配方名', '标签', '精油成分', '可做次数', '套装成本', '单买成本', '售价', '利润率']
+      const headerRow = ws.addRow(headers)
+      applyHeaderStyle(headerRow)
+
+      for (const r of ka.recipes) {
+        const price = getSellingPrice(r._id)
+        const margin = calcMargin(r.kitCost, price)
+        const ingredientStr = r.ingredients.map(i => {
+          const unit = oils.unitLabel(i.oil)
+          return `${i.oil} ${i.drops}${unit}`
+        }).join('、')
+        ws.addRow([
+          r.name,
+          (r.tags || []).join('/'),
+          ingredientStr,
+          calcMaxTimes(r),
+          Number(r.kitCost.toFixed(2)),
+          Number(r.originalCost.toFixed(2)),
+          price || '',
+          price ? `${margin.toFixed(1)}%` : '',
+        ])
+      }
+    } else {
+      // Simple version: recipe name, times, kit cost, original cost, selling price, margin
+      const headers = ['配方名', '可做次数', '套装成本', '单买成本', '售价', '利润率']
+      const headerRow = ws.addRow(headers)
+      applyHeaderStyle(headerRow)
+
+      for (const r of ka.recipes) {
+        const price = getSellingPrice(r._id)
+        const margin = calcMargin(r.kitCost, price)
+        ws.addRow([
+          r.name,
+          calcMaxTimes(r),
+          Number(r.kitCost.toFixed(2)),
+          Number(r.originalCost.toFixed(2)),
+          price || '',
+          price ? `${margin.toFixed(1)}%` : '',
+        ])
+      }
+    }
+
+    autoCols(ws, mode === 'full' ? 2 : -1)
+
+    // Style cost columns
+    ws.eachRow((row, rowNum) => {
+      if (rowNum <= 2) return
+      row.eachCell((cell, colNum) => {
+        cell.alignment = { horizontal: 'center', vertical: 'middle' }
+        // ingredient column left-aligned
+        if (mode === 'full' && colNum === 3) {
+          cell.alignment = { horizontal: 'left', vertical: 'middle', wrapText: true }
+        }
+      })
+    })
+  }
+
+  // Cross comparison sheet
+  const csWs = wb.addWorksheet('横向对比')
+  const csHeaders = ['配方名']
+  if (mode === 'full') csHeaders.push('标签')
+  for (const ka of kitAnalysis.value) csHeaders.push(ka.name)
+  csHeaders.push('售价')
+  if (mode === 'full') csHeaders.push('精油成分')
+
+  const csHeaderRow = csWs.addRow(csHeaders)
+  applyHeaderStyle(csHeaderRow)
+
+  for (const row of crossComparison.value) {
+    const price = getSellingPrice(row.id)
+    const vals = [row.name]
+    if (mode === 'full') vals.push((row.tags || []).join('/'))
+    for (const ka of kitAnalysis.value) {
+      const cost = row.costs[ka.id]
+      vals.push(cost != null ? Number(cost.toFixed(2)) : '—')
+    }
+    vals.push(price || '')
+    if (mode === 'full') {
+      vals.push(row.ingredients.map(i => `${i.oil} ${i.drops}${oils.unitLabel(i.oil)}`).join('、'))
+    }
+    const dataRow = csWs.addRow(vals)
+
+    // Grey out "—" cells
+    dataRow.eachCell((cell) => {
+      if (cell.value === '—') cell.font = naFont
+      cell.alignment = { horizontal: 'center', vertical: 'middle' }
+    })
+  }
+
+  // Cross sheet: ingredient is last column in full mode
+  const csIngCol = mode === 'full' ? csHeaders.length - 1 : -1
+  autoCols(csWs, csIngCol)
+
+  // Download
+  const buf = await wb.xlsx.writeBuffer()
+  const blob = new Blob([buf], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' })
+  const url = URL.createObjectURL(blob)
+  const a = document.createElement('a')
+  const today = new Date().toISOString().slice(0, 10)
+  a.href = url
+  a.download = `套装方案对比_${mode === 'full' ? '完整版' : '简版'}_${today}.xlsx`
+  a.click()
+  URL.revokeObjectURL(url)
+  ui.showToast('导出成功')
+}
+</script>
+
+<style scoped>
+.kit-export-page {
+  padding: 0 12px 24px;
+}
+
+.toolbar-sticky {
+  position: sticky;
+  top: 0;
+  z-index: 20;
+  background: linear-gradient(135deg, #f0faf5 0%, #e8f0e8 100%);
+  margin: 0 -12px;
+  padding: 0 12px;
+  border-bottom: 1.5px solid #d4e8d4;
+}
+.toolbar-inner {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 12px 0;
+}
+.toolbar-actions {
+  margin-left: auto;
+  display: flex;
+  gap: 6px;
+}
+.page-title {
+  margin: 0;
+  font-size: 16px;
+  color: #3e3a44;
+}
+
+/* Kit Cards */
+.kit-cards {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
+  gap: 10px;
+  margin: 16px 0;
+}
+.kit-card {
+  padding: 14px;
+  background: #fff;
+  border: 1.5px solid #e5e4e7;
+  border-radius: 12px;
+  cursor: pointer;
+  transition: all 0.15s;
+  text-align: center;
+}
+.kit-card:hover { border-color: #7ec6a4; }
+.kit-card.active {
+  border-color: #4a9d7e;
+  background: #f0faf5;
+  box-shadow: 0 2px 8px rgba(74, 157, 126, 0.15);
+}
+.kit-name { font-weight: 600; font-size: 14px; color: #3e3a44; margin-bottom: 4px; }
+.kit-price { font-size: 18px; font-weight: 700; color: #4a9d7e; margin-bottom: 2px; }
+.kit-discount { font-size: 11px; color: #e65100; margin-bottom: 6px; }
+.kit-stats { font-size: 12px; color: #6b6375; display: flex; flex-direction: column; gap: 2px; }
+.kit-recipe-count { color: #4a9d7e; font-weight: 500; }
+
+/* Detail Table */
+.kit-detail {
+  margin-bottom: 20px;
+  padding: 14px;
+  background: #f8f7f5;
+  border-radius: 12px;
+  border: 1.5px solid #e5e4e7;
+}
+.detail-header {
+  margin-bottom: 12px;
+}
+.detail-header h4 { margin: 0; font-size: 14px; color: #3e3a44; }
+
+.recipe-table, .cross-table {
+  width: 100%; border-collapse: collapse; font-size: 13px;
+}
+.recipe-table th, .cross-table th {
+  text-align: center; padding: 8px 6px; font-size: 12px; font-weight: 600;
+  color: #999; border-bottom: 2px solid #e5e4e7; white-space: nowrap;
+}
+.recipe-table td, .cross-table td {
+  padding: 8px 6px; border-bottom: 1px solid #f0f0f0; text-align: center;
+}
+
+.th-name { text-align: left !important; }
+.td-name { text-align: left !important; font-weight: 500; color: #3e3a44; }
+.td-tags { font-size: 11px; color: #b0aab5; }
+.td-cost { color: #4a9d7e; font-weight: 500; }
+.td-cost.original { color: #999; font-weight: 400; }
+.td-profit { font-weight: 600; color: #4a9d7e; }
+.td-profit.negative { color: #ef5350; }
+.td-volume { font-size: 10px; color: #b0aab5; margin-left: 4px; }
+.td-times { color: #6b6375; font-size: 12px; }
+.td-kit-available { font-weight: 500; color: #4a9d7e; background: #f0faf5; }
+.td-kit-na { background: #fafafa; }
+.na { color: #ddd; }
+
+.price-input-wrap {
+  display: inline-flex; align-items: center; gap: 2px; font-size: 13px; color: #3e3a44;
+}
+.selling-input {
+  width: 55px; text-align: right; padding: 3px 4px; border: 1px solid #d4cfc7;
+  border-radius: 6px; font-size: 12px; font-family: inherit; outline: none;
+}
+.selling-input:focus { border-color: #7ec6a4; }
+
+/* Cross Comparison */
+.cross-section {
+  margin-bottom: 20px;
+  padding: 14px;
+  background: #f8f7f5;
+  border-radius: 12px;
+  border: 1.5px solid #e5e4e7;
+}
+.cross-section h4 { margin: 0 0 12px; font-size: 14px; color: #3e3a44; }
+.cross-scroll { overflow-x: auto; }
+
+/* Buttons */
+.btn-back {
+  border: none; background: #f0eeeb; padding: 8px 14px; border-radius: 8px;
+  cursor: pointer; font-family: inherit; font-size: 13px; color: #6b6375;
+}
+.btn-back:hover { background: #e5e4e7; }
+.btn-outline {
+  background: #fff; color: #6b6375; border: 1.5px solid #d4cfc7; border-radius: 10px;
+  padding: 9px 20px; font-size: 13px; cursor: pointer; font-family: inherit;
+}
+.btn-outline:hover { background: #f8f7f5; }
+.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 8px; }
+
+.empty-hint {
+  text-align: center; color: #b0aab5; font-size: 13px; padding: 24px 0;
+}
+
+@media (max-width: 600px) {
+  .kit-cards { grid-template-columns: repeat(2, 1fr); }
+  .toolbar-inner { flex-wrap: wrap; }
+  .toolbar-actions { width: 100%; justify-content: flex-end; }
+}
+</style>

frontend/src/views/Projects.vue

@@ -1,9 +1,17 @@
 <template>
   <div class="projects-page">
+    <!-- Login prompt -->
+    <div v-if="!auth.isLoggedIn" class="login-prompt">
+      <div class="commercial-icon">💼</div>
+      <p>登录后可使用商业核算功能</p>
+      <button class="btn-primary" @click="ui.openLogin()">登录 / 注册</button>
+    </div>
+    <template v-else>
     <!-- Header -->
     <div class="commercial-header">
       <div class="commercial-icon">💼</div>
       <div class="commercial-desc">商业用户专属功能，包含项目核算、成本分析等工具</div>
+      <button class="btn-kit-compare" @click="handleKitExport">📦 套装方案对比</button>
     </div>
 
     <!-- Project List -->
@@ -227,6 +235,7 @@
         </div>
       </div>
     </div>
+    </template>
   </div>
 </template>
 
@@ -296,6 +305,14 @@ function selectDemoProject() {
   }
 }
 
+function handleKitExport() {
+  if (!auth.isBusiness && !auth.isAdmin) {
+    showCertPrompt()
+    return
+  }
+  router.push('/kit-export')
+}
+
 function handleCreateProject() {
   if (!auth.isBusiness && !auth.isAdmin) {
     showCertPrompt()
@@ -866,6 +883,25 @@ function formatDate(d) {
   font-weight: 500;
 }
 
+.btn-kit-compare {
+  display: inline-block;
+  margin-top: 12px;
+  background: linear-gradient(135deg, #f0e6d3 0%, #e8d5b8 100%);
+  color: #7a6540;
+  border: 1.5px solid #d4c4a0;
+  border-radius: 10px;
+  padding: 8px 20px;
+  font-size: 13px;
+  cursor: pointer;
+  font-family: inherit;
+  font-weight: 500;
+  transition: all 0.15s;
+}
+.btn-kit-compare:hover {
+  background: linear-gradient(135deg, #e8d5b8 0%, #d4c4a0 100%);
+  box-shadow: 0 2px 6px rgba(122, 101, 64, 0.15);
+}
+
 /* Buttons */
 .btn-primary {
   background: linear-gradient(135deg, #7ec6a4 0%, #4a9d7e 100%);
@@ -923,6 +959,14 @@ function formatDate(d) {
   color: #6b6375;
 }
 
+.login-prompt {
+  text-align: center;
+  padding: 60px 20px;
+  color: #6b6375;
+}
+.login-prompt .commercial-icon { font-size: 48px; margin-bottom: 12px; }
+.login-prompt p { margin-bottom: 16px; font-size: 15px; }
+
 .empty-hint {
   text-align: center;
   color: #b0aab5;