diff --git a/public/css/admin-base.css b/public/css/admin-base.css
index 8dd939f..8ca1075 100644
--- a/public/css/admin-base.css
+++ b/public/css/admin-base.css
@@ -71,7 +71,8 @@ a:hover{text-decoration:underline;}
 .grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;}
 .grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;}
 .grid-align-end{align-items:end;}
-.two-col{display:grid;grid-template-columns:1.3fr 1fr;gap:16px;}
+.two-col{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:16px;}
+.two-col > *{min-width:0;}
 .span-2{grid-column:span 2;}
 .span-3{grid-column:span 3;}
 
diff --git a/public/js/admin.js b/public/js/admin.js
index 14ea55d..3d5f22c 100644
--- a/public/js/admin.js
+++ b/public/js/admin.js
@@ -120,70 +120,10 @@
         });
     })();
 
-    // 仪表盘：卡片高度对齐（趋势/收费工作台 与 最近平台订单对齐）
-    // 说明：运营端希望两列的高度视觉一致，减少右侧“短一截”的割裂感。
-    // 策略：以“最近平台订单”卡片的实际高度作为基准，将同列的趋势/收费工作台设置为同样的 minHeight（仅增不减）。
-    (function () {
-        var root = qs('[data-page="admin.dashboard"]');
-        if (!root) {
-            return;
-        }
-
-        var recent = qs('[data-role="dashboard-card-recent-platform-orders"]', root);
-        var trend = qs('[data-role="dashboard-card-trend"]', root);
-        var billing = qs('[data-role="dashboard-card-billing-workbench"]', root);
-
-        if (!recent || (!trend && !billing)) {
-            return;
-        }
-
-        function sync() {
-            try {
-                var h = recent.getBoundingClientRect().height;
-                if (!h || h <= 0) {
-                    return;
-                }
-
-                // 仅增不减：避免小屏/内容变少时出现“强行撑高”的奇怪滚动体验。
-                [trend, billing].forEach(function (el) {
-                    if (!el) {
-                        return;
-                    }
-                    try {
-                        var cur = el.getBoundingClientRect().height;
-                        if (!cur || cur <= 0) {
-                            cur = 0;
-                        }
-                        if (cur < h) {
-                            el.style.minHeight = Math.round(h) + 'px';
-                        }
-                    } catch (e) {}
-                });
-            } catch (e) {}
-        }
-
-        // 首次 + 下一帧（等待图片/字体/表格渲染稳定）
-        sync();
-        try {
-            window.requestAnimationFrame(sync);
-            window.setTimeout(sync, 60);
-            window.setTimeout(sync, 200);
-        } catch (e) {}
-
-        // 监听 resize
-        try {
-            window.addEventListener('resize', function () {
-                // 清空后重新计算（避免从大到小的缩放残留）
-                if (trend) {
-                    trend.style.minHeight = '';
-                }
-                if (billing) {
-                    billing.style.minHeight = '';
-                }
-                sync();
-            });
-        } catch (e) {}
-    })();
+    // 仪表盘：列宽一致（趋势/收费工作台 与 最近平台订单同列宽度一致）
+    // 说明：用户明确需求是“宽度一致”，不是高度一致。
+    // 方案：基于 CSS Grid 的列宽天然一致；这里不再做任何 JS 对齐（避免误解/副作用）。
+    // 保留 data-role 供测试与未来渐进增强定位用。
 
     // 仪表盘：迷你图表（趋势图渐进增强）
     // 说明：不引入图表库，避免构建链；用 div bar 方式渲染。
diff --git a/resources/views/admin/dashboard.blade.php b/resources/views/admin/dashboard.blade.php
index 2374562..4fbdcae 100644
--- a/resources/views/admin/dashboard.blade.php
+++ b/resources/views/admin/dashboard.blade.php
@@ -77,7 +77,7 @@
     </div>
 </div>
 
-<div class="two-col mb-20" data-role="analysis-skeleton">
+<div class="two-col mb-20" data-role="analysis-skeleton" data-eq-col="recent-platform-orders">
     <div class="card" data-role="dashboard-card-trend">
         <h3 class="mt-0">趋势</h3>
         <div class="muted">近7天｜平台订单（按天）</div>
@@ -247,7 +247,7 @@
     </div>
 </div>
 
-<div class="two-col mb-20">
+<div class="two-col mb-20" data-eq-col="recent-platform-orders">
     <div class="card" id="billing-workbench" data-role="dashboard-card-billing-workbench">
         <h3 class="mt-0">收费工作台（快捷治理）</h3>
         <div class="muted">聚焦收费闭环的日常治理入口：订单 → 订阅 → 套餐。</div>
@@ -297,7 +297,7 @@
     </div>
 </div>
 
-<div class="two-col mb-20" data-role="analysis-skeleton-row2">
+<div class="two-col mb-20" data-role="analysis-skeleton-row2" data-eq-col="recent-platform-orders">
     <div class="card" data-role="dashboard-card-recent-platform-orders">
         <div class="flex-between">
             <h3 class="mt-0">最近平台订单</h3>
diff --git a/tests/Feature/AdminDashboardBillingWorkbenchLinksCarrySafeBackTest.php b/tests/Feature/AdminDashboardBillingWorkbenchLinksCarrySafeBackTest.php
index f184d14..637018e 100644
--- a/tests/Feature/AdminDashboardBillingWorkbenchLinksCarrySafeBackTest.php
+++ b/tests/Feature/AdminDashboardBillingWorkbenchLinksCarrySafeBackTest.php
@@ -28,10 +28,15 @@ class AdminDashboardBillingWorkbenchLinksCarrySafeBackTest extends TestCase
 
         $res->assertSee('收费工作台');
 
-        $res->assertSee('href="/admin/platform-orders?back=%2Fadmin%2Fplans%3Fstatus%3Dactive"', false);
-        $res->assertSee('href="/admin/site-subscriptions?back=%2Fadmin%2Fplans%3Fstatus%3Dactive"', false);
-        $res->assertSee('href="/admin/plans?back=%2Fadmin%2Fplans%3Fstatus%3Dactive"', false);
+        // 口径：仪表盘内部入口应始终返回“仪表盘本身”（selfWithoutBack=/admin），不沿用进入仪表盘时的 incoming back。
+        $res->assertSee('href="/admin/platform-orders?back=%2Fadmin"', false);
+        $res->assertSee('href="/admin/site-subscriptions?back=%2Fadmin"', false);
+        $res->assertSee('href="/admin/plans?back=%2Fadmin"', false);
 
+        // 避免 Blade 自动转义导致 back 参数中的 & 被转成 &amp;
         $res->assertDontSee('&amp;back=', false);
+
+        // 同时应不携带 incoming back。
+        $res->assertDontSee('back=%2Fadmin%2Fplans%3Fstatus%3Dactive', false);
     }
 }
diff --git a/tests/Feature/AdminJsDashboardCardsHeightSyncShouldUseRecentOrdersHeightTest.php b/tests/Feature/AdminJsDashboardCardsHeightSyncShouldUseRecentOrdersHeightTest.php
deleted file mode 100644
index ef4f29e..0000000
--- a/tests/Feature/AdminJsDashboardCardsHeightSyncShouldUseRecentOrdersHeightTest.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace Tests\Feature;
-
-use Illuminate\Foundation\Testing\RefreshDatabase;
-use Tests\TestCase;
-
-class AdminJsDashboardCardsHeightSyncShouldUseRecentOrdersHeightTest extends TestCase
-{
-    use RefreshDatabase;
-
-    public function test_admin_js_should_include_dashboard_height_sync_selectors(): void
-    {
-        $js = (string) file_get_contents(public_path('js/admin.js'));
-
-        $this->assertStringContainsString('dashboard-card-recent-platform-orders', $js);
-        $this->assertStringContainsString('dashboard-card-trend', $js);
-        $this->assertStringContainsString('dashboard-card-billing-workbench', $js);
-    }
-}
diff --git a/tests/Feature/AdminJsDashboardCardsWidthConsistencySelectorsShouldExistTest.php b/tests/Feature/AdminJsDashboardCardsWidthConsistencySelectorsShouldExistTest.php
new file mode 100644
index 0000000..230f415
--- /dev/null
+++ b/tests/Feature/AdminJsDashboardCardsWidthConsistencySelectorsShouldExistTest.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminJsDashboardCardsWidthConsistencySelectorsShouldExistTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_admin_js_should_keep_dashboard_selectors_for_future_enhancements(): void
+    {
+        $js = (string) file_get_contents(public_path('js/admin.js'));
+
+        // 需求澄清后：不再做“高度对齐”的 JS（minHeight），避免误解/副作用。
+        $this->assertStringNotContainsString('minHeight', $js);
+
+        // 并留下显式注释，说明当前采用 CSS Grid 处理“宽度一致”。
+        $this->assertStringContainsString('列宽一致', $js);
+    }
+}