feat(listings): 押金筛选高档位细分为 200-400 / 400-600 / 600以上

- 桌面高级筛选「押金」去掉 200以上，改为 200-400 并新增 400-600、600以上
- 移动端押金档位改为复用 depositRangeOptions，两端档位保持一致
- 补充 depositRangeOptions 档位与边界断言

frontend/src/features/listings/composables/__tests__/useFilterOptions.spec.ts

@@ -1,6 +1,7 @@
 import { describe, it, expect } from 'vitest'
 import {
   awmRangeOptions,
+  depositRangeOptions,
   isRangeSelected,
   moneyRangeOptions,
   rangeLabel,
@@ -39,4 +40,29 @@ describe('useFilterOptions', () => {
     expect(moneyRangeOptions.some(option => option.label === '0-50')).toBe(false)
     expect(ratioRangeOptions.some(option => option.label === '≤30')).toBe(false)
   })
+
+  it('押金高档位应该细分为 200-400 / 400-600 / 600以上', () => {
+    expect(depositRangeOptions.map(option => option.label)).toEqual([
+      '全部',
+      '50-100',
+      '100-150',
+      '150-200',
+      '200-400',
+      '400-600',
+      '600以上',
+    ])
+    expect(depositRangeOptions.find(option => option.label === '200以上')).toBeUndefined()
+    expect(depositRangeOptions.find(option => option.label === '200-400')).toMatchObject({
+      min: 200,
+      max: 400,
+    })
+    expect(depositRangeOptions.find(option => option.label === '400-600')).toMatchObject({
+      min: 400,
+      max: 600,
+    })
+    expect(depositRangeOptions.find(option => option.label === '600以上')).toMatchObject({
+      min: 600,
+      max: undefined,
+    })
+  })
 })

frontend/src/features/listings/composables/useFilterOptions.ts

@@ -34,13 +34,15 @@ export const moneyRangeOptions = [
   { label: '200以上', min: 200, max: undefined },
 ]
 
-/** 押金区间：去掉 0-50 */
+/** 押金区间：去掉 0-50；高档位细分为 200-400 / 400-600 / 600以上 */
 export const depositRangeOptions = [
   { label: '全部', min: undefined, max: undefined },
   { label: '50-100', min: 50, max: 100 },
   { label: '100-150', min: 100, max: 150 },
   { label: '150-200', min: 150, max: 200 },
-  { label: '200以上', min: 200, max: undefined },
+  { label: '200-400', min: 200, max: 400 },
+  { label: '400-600', min: 400, max: 600 },
+  { label: '600以上', min: 600, max: undefined },
 ]
 
 export const totalRangeOptions = [

frontend/src/features/listings/views/MobileHomeView.vue

@@ -40,6 +40,7 @@ import {
   storeHomeQuery,
   type HomeQueryValue,
 } from '@/features/listings/composables/useHomeFilterQuery'
+import { depositRangeOptions } from '@/features/listings/composables/useFilterOptions'
 import {
   getListingChips,
   getListingDisplayPrice,
@@ -138,6 +139,15 @@ const zoneOptions = [
   { key: 'highCoin', label: '高币', hint: '100M以上' },
 ]
 
+/** 押金档位直接复用首页高级筛选项，保证移动端与桌面端完全一致 */
+const depositPresets = depositRangeOptions
+  .filter(option => option.label !== '全部')
+  .map(option => ({
+    label: option.label,
+    min: option.min === undefined ? '' : String(option.min),
+    max: option.max === undefined ? '' : String(option.max),
+  }))
+
 const rangePresets: Record<string, Array<{ label: string; min: string; max: string }>> = {
   price: [
     { label: '50-100', min: '50', max: '100' },
@@ -154,12 +164,7 @@ const rangePresets: Record<string, Array<{ label: string; min: string; max: stri
     { label: '30-40', min: '30', max: '40' },
     { label: '40以上', min: '40', max: '' },
   ],
-  deposit: [
-    { label: '0-50', min: '0', max: '50' },
-    { label: '50-100', min: '50', max: '100' },
-    { label: '100-200', min: '100', max: '200' },
-    { label: '200以上', min: '200', max: '' },
-  ],
+  deposit: depositPresets,
   total: [
     { label: '0-500', min: '0', max: '500' },
     { label: '500-1000', min: '500', max: '1000' },