diff --git a/app/Http/Controllers/Admin/PlatformOrderController.php b/app/Http/Controllers/Admin/PlatformOrderController.php
index 38ee768..0d8c858 100644
--- a/app/Http/Controllers/Admin/PlatformOrderController.php
+++ b/app/Http/Controllers/Admin/PlatformOrderController.php
@@ -273,6 +273,9 @@ class PlatformOrderController extends Controller
             'refund_inconsistent' => (string) $request->query('refund_inconsistent', ''),
             // 线索联动：用于从开通线索跳转查看关联订单
             'lead_id' => trim((string) $request->query('lead_id', '')),
+            // 创建时间范围（用于“趋势→集合”跳转与运营筛选）
+            'created_from' => trim((string) $request->query('created_from', '')),
+            'created_to' => trim((string) $request->query('created_to', '')),
         ];
 
 
@@ -1235,6 +1238,9 @@ class PlatformOrderController extends Controller
             'refund_inconsistent' => (string) $request->query('refund_inconsistent', ''),
             // 线索联动：用于从开通线索跳转查看关联订单
             'lead_id' => trim((string) $request->query('lead_id', '')),
+            // 创建时间范围（用于“趋势→集合”跳转与运营筛选）
+            'created_from' => trim((string) $request->query('created_from', '')),
+            'created_to' => trim((string) $request->query('created_to', '')),
         ];
 
 
@@ -2404,6 +2410,32 @@ class PlatformOrderController extends Controller
                 } else {
                     $builder->whereRaw("CAST(JSON_UNQUOTE(JSON_EXTRACT(meta, '$.platform_lead_id')) AS UNSIGNED) = ?", [$leadId]);
                 }
+            })
+            ->when(($filters['created_from'] ?? '') !== '' || ($filters['created_to'] ?? '') !== '', function (Builder $builder) use ($filters) {
+                // 创建时间范围筛选：用于“趋势→集合”跳转与运营快速定位
+                // 口径：基于 created_at。
+                $from = trim((string) ($filters['created_from'] ?? ''));
+                $to = trim((string) ($filters['created_to'] ?? ''));
+
+                // 容错：仅接受 YYYY-MM-DD 格式；不合法则忽略，避免异常输入污染查询
+                if ($from !== '' && ! preg_match('/^\d{4}-\d{2}-\d{2}$/', $from)) {
+                    $from = '';
+                }
+                if ($to !== '' && ! preg_match('/^\d{4}-\d{2}-\d{2}$/', $to)) {
+                    $to = '';
+                }
+
+                if ($from !== '' && $to !== '') {
+                    // [from 00:00:00, to 23:59:59]
+                    $builder->whereBetween('created_at', [
+                        $from . ' 00:00:00',
+                        $to . ' 23:59:59',
+                    ]);
+                } elseif ($from !== '') {
+                    $builder->where('created_at', '>=', $from . ' 00:00:00');
+                } elseif ($to !== '') {
+                    $builder->where('created_at', '<=', $to . ' 23:59:59');
+                }
             });
     }
 
diff --git a/resources/views/admin/platform_orders/index.blade.php b/resources/views/admin/platform_orders/index.blade.php
index 5e9b970..0dd2ac9 100644
--- a/resources/views/admin/platform_orders/index.blade.php
+++ b/resources/views/admin/platform_orders/index.blade.php
@@ -249,13 +249,13 @@
     </div>
 
     @php
-        // 快捷筛选：尽量保留当前筛选上下文（站点/套餐/订阅ID/keyword/lead_id/back 等），仅覆盖目标筛选字段，并清空 page。
+        // 快捷筛选：尽量保留当前筛选上下文（站点/套餐/订阅ID/keyword/lead_id/back/时间范围等），仅覆盖目标筛选字段，并清空 page。
         // 注意：不保留 syncable_only/fail_only 等“工具型开关”，避免用户从一个集合切到另一个集合时被残留开关影响（导致误判/空结果）。
         $buildQuickFilterUrl = function (array $overrides) use ($safeBackForLinks) {
-            // 快捷筛选：仅保留上下文字段（站点/套餐/订阅ID/keyword/lead_id/安全 back），避免把其它筛选条件叠加导致空结果。
+            // 快捷筛选：仅保留上下文字段（站点/套餐/订阅ID/keyword/lead_id/时间范围/安全 back），避免把其它筛选条件叠加导致空结果。
             // 该构造器内部会强制清空 page，并且不会继承 syncable_only/fail_only 等“工具型开关”。
             return \App\Support\BackUrl::currentPathQuickFilter(
-                ['merchant_id', 'plan_id', 'site_subscription_id', 'keyword', 'lead_id'],
+                ['merchant_id', 'plan_id', 'site_subscription_id', 'keyword', 'lead_id', 'created_from', 'created_to'],
                 $overrides,
                 $safeBackForLinks
             );
@@ -349,6 +349,8 @@
         </select>
 
         <input type="number" name="site_subscription_id" placeholder="订阅ID（可选）" value="{{ $filters['site_subscription_id'] ?? '' }}" class="w-140">
+        <input type="text" name="created_from" placeholder="创建时间从（YYYY-MM-DD）" value="{{ $filters['created_from'] ?? '' }}" class="w-180">
+        <input type="text" name="created_to" placeholder="创建时间到（YYYY-MM-DD）" value="{{ $filters['created_to'] ?? '' }}" class="w-180">
         <label class="form-inline-row">
             <input type="checkbox" name="fail_only" value="1" @checked(($filters['fail_only'] ?? '') === '1')>
             <span>只看同步失败</span>
diff --git a/tests/Feature/AdminPlatformOrderCreatedAtRangeFilterShouldWorkTest.php b/tests/Feature/AdminPlatformOrderCreatedAtRangeFilterShouldWorkTest.php
new file mode 100644
index 0000000..6443af2
--- /dev/null
+++ b/tests/Feature/AdminPlatformOrderCreatedAtRangeFilterShouldWorkTest.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderCreatedAtRangeFilterShouldWorkTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_platform_orders_page_can_filter_by_created_at_range(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+        $plan = Plan::query()->create([
+            'code' => 'created_at_range_test',
+            'name' => '创建时间范围筛选测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 10,
+            'list_price' => 10,
+            'status' => 'active',
+            'sort' => 10,
+            'published_at' => now(),
+        ]);
+
+        $in = PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_CREATED_RANGE_IN',
+            'order_type' => 'new_purchase',
+            'status' => 'pending',
+            'payment_status' => 'unpaid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 0,
+        ]);
+
+        $out = PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'order_no' => 'PO_CREATED_RANGE_OUT',
+            'order_type' => 'new_purchase',
+            'status' => 'pending',
+            'payment_status' => 'unpaid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'payable_amount' => 10,
+            'paid_amount' => 0,
+        ]);
+
+        // 强制调整 created_at 到不同日期
+        PlatformOrder::query()->where('id', $in->id)->update([
+            'created_at' => now()->subDays(2)->startOfDay(),
+            'updated_at' => now()->subDays(2)->startOfDay(),
+        ]);
+        PlatformOrder::query()->where('id', $out->id)->update([
+            'created_at' => now()->subDays(10)->startOfDay(),
+            'updated_at' => now()->subDays(10)->startOfDay(),
+        ]);
+
+        $from = now()->subDays(3)->format('Y-m-d');
+        $to = now()->subDays(1)->format('Y-m-d');
+
+        $this->get('/admin/platform-orders?created_from=' . $from . '&created_to=' . $to)
+            ->assertOk()
+            ->assertSee('PO_CREATED_RANGE_IN')
+            ->assertDontSee('PO_CREATED_RANGE_OUT');
+    }
+}