diff --git a/modules/EcommerceFinance/Repositories/InstallationDetailMirrorRepository.php b/modules/EcommerceFinance/Repositories/InstallationDetailMirrorRepository.php
index 3b4d7b9a..2bba0cb2 100644
--- a/modules/EcommerceFinance/Repositories/InstallationDetailMirrorRepository.php
+++ b/modules/EcommerceFinance/Repositories/InstallationDetailMirrorRepository.php
@@ -128,7 +128,7 @@ class InstallationDetailMirrorRepository
     /**
      * 按客服审核时间汇总安装费；金额取安装明细子表的结算明细金额。
      *
-     * @return array{ready:bool,total:float,rows:list<array{store_name:string,installation_company:string,payment_channel:string,amount:float}>}
+     * @return array{ready:bool,total:float,rows:list<array{platform:string,store_name:string,installation_company:string,payment_channel:string,amount:float}>}
      */
     public function feeDetails(array $filters = []): array
     {
@@ -160,27 +160,43 @@ class InstallationDetailMirrorRepository
             ->where('i.kfshTime', '>=', $from)
             ->where('i.kfshTime', '<', \Illuminate\Support\Carbon::parse($to)->addDay()->toDateString());
 
+        $platformSql = "CASE"
+            . " WHEN COALESCE(TRIM(install_main.shop_name), '') LIKE '%阿里巴巴%'"
+            . " OR COALESCE(TRIM(install_main.shop_name), '') LIKE '%天猫%'"
+            . " OR COALESCE(TRIM(install_main.shop_name), '') LIKE '%新佰广%'"
+            . " OR COALESCE(TRIM(install_main.shop_name), '') LIKE '%淘工厂%'"
+            . " OR COALESCE(TRIM(install_main.shop_name), '') LIKE '%淘宝%' THEN '淘系'"
+            . " WHEN COALESCE(TRIM(install_main.shop_name), '') LIKE '抖音-%' THEN '抖音'"
+            . " WHEN COALESCE(TRIM(install_main.shop_name), '') LIKE '拼多多-%' THEN '拼多多'"
+            . " WHEN COALESCE(TRIM(install_main.shop_name), '') LIKE '唯品会-%' THEN '唯品会'"
+            . " WHEN COALESCE(TRIM(install_main.shop_name), '') LIKE '京东-%' THEN '京东'"
+            . " WHEN COALESCE(TRIM(install_main.shop_name), '') LIKE '京喜-%' THEN '京喜'"
+            . " ELSE '其他' END";
+
         $rows = $query
+            ->selectRaw($platformSql . ' AS platform')
             ->selectRaw("COALESCE(NULLIF(TRIM(install_main.shop_name), ''), '未填写店铺') AS store_name")
             ->selectRaw("COALESCE(NULLIF(TRIM(install_main.installCompanyName), ''), '未填写安装公司') AS installation_company")
             ->selectRaw("CASE WHEN install_main.costWay IS NULL OR TRIM(install_main.costWay) = '' THEN '包安装' ELSE '不包安装' END AS payment_channel")
             ->selectRaw('ROUND(SUM(CAST(i.settleItemAmount AS DECIMAL(18,2))), 2) AS amount')
             ->groupByRaw(
-                "COALESCE(NULLIF(TRIM(install_main.shop_name), ''), '未填写店铺'),"
+                $platformSql . ','
+                . " COALESCE(NULLIF(TRIM(install_main.shop_name), ''), '未填写店铺'),"
                 . " COALESCE(NULLIF(TRIM(install_main.installCompanyName), ''), '未填写安装公司'),"
                 . " CASE WHEN install_main.costWay IS NULL OR TRIM(install_main.costWay) = '' THEN '包安装' ELSE '不包安装' END"
             )
             ->havingRaw('ABS(SUM(CAST(i.settleItemAmount AS DECIMAL(18,2)))) > 0.004')
             ->get()
             ->map(static fn (object $row): array => [
+                'platform' => trim((string) ($row->platform ?? '其他')),
                 'store_name' => trim((string) ($row->store_name ?? '')),
                 'installation_company' => trim((string) ($row->installation_company ?? '')),
                 'payment_channel' => (string) ($row->payment_channel ?? '包安装'),
                 'amount' => round((float) ($row->amount ?? 0), 2),
             ])
             ->sort(static fn (array $left, array $right): int =>
-                [abs($right['amount']), $left['store_name'], $left['installation_company']]
-                <=> [abs($left['amount']), $right['store_name'], $right['installation_company']]
+                [abs($right['amount']), $left['platform'], $left['store_name'], $left['installation_company']]
+                <=> [abs($left['amount']), $right['platform'], $right['store_name'], $right['installation_company']]
             )
             ->values()
             ->all();
diff --git a/resources/views/business/pages/partials/installation-fee-summary.blade.php b/resources/views/business/pages/partials/installation-fee-summary.blade.php
index 9dcaecc6..583b3afe 100644
--- a/resources/views/business/pages/partials/installation-fee-summary.blade.php
+++ b/resources/views/business/pages/partials/installation-fee-summary.blade.php
@@ -164,7 +164,7 @@
 
     .installation-fee-filters {
         display: grid;
-        grid-template-columns: repeat(3, minmax(10rem, 1fr));
+        grid-template-columns: repeat(4, minmax(8.5rem, 1fr));
         gap: 0.75rem;
         padding: 0.8rem 1.1rem;
         border-bottom: 1px solid #eee8dd;
@@ -228,6 +228,42 @@
         text-align: center;
     }
 
+    .installation-fee-platform-summary {
+        margin: 0.75rem 0 1rem;
+        padding-top: 0.75rem;
+        border-top: 1px solid #d8d2c7;
+    }
+
+    .installation-fee-platform-summary h3 {
+        margin: 0 0 0.5rem;
+        color: #171717;
+        font-size: 0.75rem;
+    }
+
+    .installation-fee-platform-summary table {
+        width: 100%;
+        border-collapse: collapse;
+        font-size: 0.75rem;
+        font-variant-numeric: tabular-nums;
+    }
+
+    .installation-fee-platform-summary th,
+    .installation-fee-platform-summary td {
+        padding: 0.5rem;
+        border-bottom: 1px solid #eee8dd;
+        text-align: left;
+    }
+
+    .installation-fee-platform-summary th {
+        background: #f7f0de;
+        color: #595959;
+        font-weight: 600;
+    }
+
+    .installation-fee-platform-summary .is-number {
+        text-align: right;
+    }
+
     .installation-fee-dialog__foot {
         padding: 0.65rem 1.1rem;
         border-top: 1px solid #eee8dd;
@@ -235,6 +271,10 @@
         font-size: 0.6875rem;
     }
 
+    @media (max-width: 900px) {
+        .installation-fee-filters { grid-template-columns: repeat(2, minmax(10rem, 1fr)); }
+    }
+
     @media (max-width: 720px) {
         .installation-fee-filters { grid-template-columns: 1fr; }
         .installation-fee-dialog__head { flex-direction: column; }
@@ -278,6 +318,12 @@
         </div>
     </div>
     <div class="installation-fee-filters" aria-label="安装费明细筛选">
+        <label class="installation-fee-filter">
+            <span>平台</span>
+            <select data-installation-fee-platform aria-label="筛选平台">
+                <option value="">全部平台</option>
+            </select>
+        </label>
         <label class="installation-fee-filter">
             <span>店铺名称</span>
             <select data-installation-fee-store aria-label="筛选店铺名称">
@@ -310,6 +356,18 @@
             <tbody data-installation-fee-rows></tbody>
         </table>
         <div class="installation-fee-empty" data-installation-fee-empty>请选择客服审核日期后查看明细</div>
+        <section class="installation-fee-platform-summary" aria-label="安装费平台汇总">
+            <h3>平台汇总</h3>
+            <table>
+                <thead>
+                    <tr>
+                        <th scope="col">平台</th>
+                        <th scope="col" class="is-number">结算明细金额</th>
+                    </tr>
+                </thead>
+                <tbody data-installation-fee-platform-rows></tbody>
+            </table>
+        </section>
     </div>
     <div class="installation-fee-dialog__foot">
         <span data-installation-fee-count>共 0 条明细汇总</span>
@@ -329,10 +387,12 @@
         var status = document.querySelector('[data-installation-fee-status]');
         var subtitle = dialog.querySelector('[data-installation-fee-subtitle]');
         var currentTotal = dialog.querySelector('[data-installation-fee-current-total]');
+        var platformFilter = dialog.querySelector('[data-installation-fee-platform]');
         var storeFilter = dialog.querySelector('[data-installation-fee-store]');
         var companyFilter = dialog.querySelector('[data-installation-fee-company]');
         var channelFilter = dialog.querySelector('[data-installation-fee-channel]');
         var rowsEl = dialog.querySelector('[data-installation-fee-rows]');
+        var platformRowsEl = dialog.querySelector('[data-installation-fee-platform-rows]');
         var emptyEl = dialog.querySelector('[data-installation-fee-empty]');
         var countEl = dialog.querySelector('[data-installation-fee-count]');
         var allRows = [];
@@ -389,11 +449,13 @@
         }
 
         function renderRows() {
+            var platform = platformFilter.value;
             var store = storeFilter.value;
             var company = companyFilter.value;
             var channel = channelFilter.value;
             var rows = allRows.filter(function (row) {
-                return (!store || row.store_name === store)
+                return (!platform || row.platform === platform)
+                    && (!store || row.store_name === store)
                     && (!company || row.installation_company === company)
                     && (!channel || row.payment_channel === channel);
             });
@@ -416,6 +478,28 @@
                 rowsEl.appendChild(tr);
             });
 
+            var byPlatform = {};
+            rows.forEach(function (row) {
+                var key = row.platform || '其他';
+                byPlatform[key] ??= 0;
+                byPlatform[key] += Number(row.amount || 0);
+            });
+            platformRowsEl.replaceChildren();
+            Object.keys(byPlatform).sort(function (left, right) {
+                return Math.abs(byPlatform[right]) - Math.abs(byPlatform[left])
+                    || left.localeCompare(right, 'zh-CN');
+            }).forEach(function (name) {
+                var tr = document.createElement('tr');
+                var platformCell = document.createElement('td');
+                platformCell.textContent = name;
+                tr.appendChild(platformCell);
+                var amount = document.createElement('td');
+                amount.className = 'is-number';
+                amount.textContent = yuan(byPlatform[name]);
+                tr.appendChild(amount);
+                platformRowsEl.appendChild(tr);
+            });
+
             currentTotal.textContent = yuan(total);
             countEl.textContent = '共 ' + rows.length.toLocaleString('zh-CN') + ' 条明细汇总';
             emptyEl.hidden = rows.length > 0;
@@ -428,11 +512,13 @@
             allRows = [];
             loadedSignature = '';
             rowsEl.replaceChildren();
+            platformRowsEl.replaceChildren();
             currentTotal.textContent = '¥0.00';
             countEl.textContent = '共 0 条明细汇总';
             emptyEl.hidden = false;
             emptyEl.textContent = message;
             fillFilter(storeFilter, '全部店铺', []);
+            fillFilter(platformFilter, '全部平台', []);
             fillFilter(companyFilter, '全部安装公司', []);
             fillFilter(channelFilter, '全部渠道', []);
         }
@@ -498,6 +584,7 @@
                 cardTotal.textContent = wan(data.total);
                 status.textContent = value.from + ' 至 ' + value.to + ' · ' + allRows.length + ' 条汇总';
                 subtitle.textContent = value.from + ' 至 ' + value.to + ' · 按客服审核时间汇总';
+                fillFilter(platformFilter, '全部平台', distinct('platform'));
                 fillFilter(storeFilter, '全部店铺', distinct('store_name'));
                 fillFilter(companyFilter, '全部安装公司', distinct('installation_company'));
                 fillFilter(channelFilter, '全部渠道', distinct('payment_channel'));
@@ -526,7 +613,7 @@
         [fromInput, toInput].forEach(function (input) {
             if (input) { input.addEventListener('change', scheduleRefresh); }
         });
-        [storeFilter, companyFilter, channelFilter].forEach(function (select) {
+        [platformFilter, storeFilter, companyFilter, channelFilter].forEach(function (select) {
             select.addEventListener('change', renderRows);
         });
         dialog.querySelector('[data-installation-fee-close]').addEventListener('click', closeDialog);
diff --git a/tests/Feature/Business/ManagementCrudTest.php b/tests/Feature/Business/ManagementCrudTest.php
index 15b60f69..aca1a631 100644
--- a/tests/Feature/Business/ManagementCrudTest.php
+++ b/tests/Feature/Business/ManagementCrudTest.php
@@ -268,10 +268,13 @@ class ManagementCrudTest extends FeatureTestCase
             ->assertSee('id="installation-fee-dialog"', false)
             ->assertSeeText('安装费金额')
             ->assertSeeText('按客服审核时间汇总安装明细的结算明细金额')
+            ->assertSeeText('平台')
             ->assertSeeText('店铺名称')
             ->assertSeeText('安装公司')
             ->assertSeeText('收款渠道')
             ->assertSeeText('结算明细金额')
+            ->assertSee('data-installation-fee-platform', false)
+            ->assertSee('data-installation-fee-platform-rows', false)
             ->assertSee('refresh(true)', false)
             ->assertSee("dispatchEvent(new Event('change'", false)
             ->assertSee('installation-details-table-wrap', false)
@@ -336,8 +339,8 @@ class ManagementCrudTest extends FeatureTestCase
             'ready' => true,
             'total' => 2000.50,
             'rows' => [
-                ['store_name' => '店铺A', 'installation_company' => '万师傅', 'payment_channel' => '包安装', 'amount' => 1250.50],
-                ['store_name' => '店铺B', 'installation_company' => '鲁班到家', 'payment_channel' => '不包安装', 'amount' => 750.00],
+                ['platform' => '淘系', 'store_name' => '店铺A', 'installation_company' => '万师傅', 'payment_channel' => '包安装', 'amount' => 1250.50],
+                ['platform' => '京东', 'store_name' => '店铺B', 'installation_company' => '鲁班到家', 'payment_channel' => '不包安装', 'amount' => 750.00],
             ],
         ]);
         $this->app->instance(InstallationDetailMirrorRepository::class, $mirror);
@@ -349,6 +352,7 @@ class ManagementCrudTest extends FeatureTestCase
             ]))
             ->assertOk()
             ->assertJsonPath('total', 2000.5)
+            ->assertJsonPath('rows.0.platform', '淘系')
             ->assertJsonPath('rows.0.store_name', '店铺A')
             ->assertJsonPath('rows.0.payment_channel', '包安装')
             ->assertJsonPath('rows.1.payment_channel', '不包安装');
diff --git a/tests/Unit/EcommerceFinance/InstallationDetailMirrorRepositoryTest.php b/tests/Unit/EcommerceFinance/InstallationDetailMirrorRepositoryTest.php
index 7290b6f3..0a673c16 100644
--- a/tests/Unit/EcommerceFinance/InstallationDetailMirrorRepositoryTest.php
+++ b/tests/Unit/EcommerceFinance/InstallationDetailMirrorRepositoryTest.php
@@ -154,12 +154,65 @@ class InstallationDetailMirrorRepositoryTest extends TestCase
 
         $this->assertTrue($result['ready']);
         $this->assertSame([
-            ['store_name'=>'测试店','installation_company'=>'万师傅','payment_channel'=>'包安装','amount'=>100.0],
-            ['store_name'=>'其他店','installation_company'=>'鲁班到家','payment_channel'=>'不包安装','amount'=>80.0],
+            ['platform'=>'其他','store_name'=>'测试店','installation_company'=>'万师傅','payment_channel'=>'包安装','amount'=>100.0],
+            ['platform'=>'其他','store_name'=>'其他店','installation_company'=>'鲁班到家','payment_channel'=>'不包安装','amount'=>80.0],
         ],$result['rows']);
         $this->assertSame(180.0,$result['total']);
     }
 
+    public function test_fee_details_classifies_platform_by_store_name_rules(): void
+    {
+        $stores = [
+            '阿里巴巴-测试店' => '淘系',
+            '天猫-测试店' => '淘系',
+            '新佰广1688' => '淘系',
+            '淘工厂-测试店' => '淘系',
+            '淘宝-测试店' => '淘系',
+            '抖音-测试店' => '抖音',
+            '拼多多-测试店' => '拼多多',
+            '唯品会-测试店' => '唯品会',
+            '京东-测试店' => '京东',
+            '京喜-测试店' => '京喜',
+            '其他平台店铺' => '其他',
+        ];
+        $mainRows = [];
+        $itemRows = [];
+        $id = 100;
+        foreach (array_keys($stores) as $store) {
+            $guid = 'platform-' . $id;
+            $mainRows[] = [
+                'Id' => $id,
+                'SourceGuid' => $guid,
+                'OrderNum' => 'ORDER-' . $id,
+                'shop_name' => $store,
+                'SubmitTime' => '2026-09-01',
+                'ShipTIme' => '2026-09-02',
+                'installCompanyName' => '万师傅',
+                'costWay' => null,
+            ];
+            $itemRows[] = [
+                'Id' => $id,
+                'guid' => $guid,
+                'shopproid' => 'PRODUCT-' . $id,
+                'kfshTime' => '2026-09-15 10:00:00',
+                'settleItemAmount' => 1,
+            ];
+            $id++;
+        }
+        DB::connection('business_mirror')->table('fixture_install')->insert($mainRows);
+        DB::connection('business_mirror')->table('fixture_items')->insert($itemRows);
+
+        $result = $this->repository->feeDetails([
+            'customer_review_from' => '2026-09-01',
+            'customer_review_to' => '2026-09-30',
+        ]);
+        $actual = collect($result['rows'])->pluck('platform', 'store_name')->all();
+
+        foreach ($stores as $store => $platform) {
+            $this->assertSame($platform, $actual[$store] ?? null, $store);
+        }
+    }
+
     public function test_end_date_alone_is_valid_and_invalid_status_is_rejected(): void
     {
         request()->merge(['created_to'=>'2026-08-20']);