diff --git a/web/src/app/home/bots/components/bot-form/EventBindingsEditor.tsx b/web/src/app/home/bots/components/bot-form/EventBindingsEditor.tsx
index f3f2a6dea..1e850adde 100644
--- a/web/src/app/home/bots/components/bot-form/EventBindingsEditor.tsx
+++ b/web/src/app/home/bots/components/bot-form/EventBindingsEditor.tsx
@@ -1264,6 +1264,7 @@ function BindingCardContent({
   onUpdate,
   onRemove,
   dragHandleProps,
+  isOverlay = false,
 }: BindingCardProps) {
   const { t } = useTranslation();
   const isEnabled = binding.enabled ?? true;
@@ -1275,13 +1276,21 @@ function BindingCardContent({
   const statusDetail = routeStatusDetail(routeStatus, t);
 
   return (
-    <div className="rounded-lg border bg-card">
+    <div
+      className={`rounded-lg border bg-card ${
+        isOverlay ? 'pointer-events-none shadow-lg ring-1 ring-primary/20' : ''
+      }`}
+      data-drag-overlay={isOverlay ? 'true' : undefined}
+    >
       {/* main row */}
       <div className="flex flex-wrap items-center gap-2 p-2.5">
         {isEnabled && (
           <button
             type="button"
             className="cursor-grab active:cursor-grabbing shrink-0 text-muted-foreground hover:text-foreground touch-none"
+            aria-label={t('bots.dragEventRoute', {
+              index: globalIndex + 1,
+            })}
             {...dragHandleProps}
           >
             <GripVertical className="h-4 w-4" />
@@ -1435,15 +1444,32 @@ function BindingCardContent({
 
 // ── sortable wrapper ──────────────────────────────────────────────────────────
 
-function SortableBindingCard(props: BindingCardProps) {
-  const { attributes, listeners, setNodeRef, transform, isDragging } =
-    useSortable({ id: props.binding.id ?? props.globalIndex });
+interface SortableBindingCardProps extends BindingCardProps {
+  sortableId: string;
+}
+
+function SortableBindingCard({
+  sortableId,
+  ...props
+}: SortableBindingCardProps) {
+  const {
+    attributes,
+    listeners,
+    setNodeRef,
+    transform,
+    transition,
+    isDragging,
+  } = useSortable({ id: sortableId });
   return (
     <div
       ref={setNodeRef}
+      data-testid={`event-route-${sortableId}`}
       style={{
         transform: CSS.Transform.toString(transform),
+        transition,
         opacity: isDragging ? 0.3 : undefined,
+        position: 'relative',
+        zIndex: isDragging ? 1 : undefined,
       }}
     >
       <BindingCardContent
@@ -1686,6 +1712,7 @@ export default function EventBindingsEditor({
         collisionDetection={closestCenter}
         onDragStart={handleDragStart}
         onDragEnd={handleDragEnd}
+        onDragCancel={() => setActiveId(null)}
       >
         <SortableContext
           items={idsRef.current}
@@ -1702,6 +1729,7 @@ export default function EventBindingsEditor({
               return (
                 <SortableBindingCard
                   key={idsRef.current[sortIdx]}
+                  sortableId={idsRef.current[sortIdx]}
                   binding={binding}
                   globalIndex={globalIdx}
                   routeStatus={
@@ -1720,7 +1748,7 @@ export default function EventBindingsEditor({
             })}
           </div>
         </SortableContext>
-        <DragOverlay dropAnimation={null}>
+        <DragOverlay adjustScale={false} dropAnimation={null}>
           {activeBinding && activeGlobalIdx >= 0 ? (
             <BindingCardContent
               binding={activeBinding}
diff --git a/web/src/i18n/locales/en-US.ts b/web/src/i18n/locales/en-US.ts
index 731bd05d2..d1c112a15 100644
--- a/web/src/i18n/locales/en-US.ts
+++ b/web/src/i18n/locales/en-US.ts
@@ -392,6 +392,7 @@ const enUS = {
     eventBindings: 'Event Routes',
     addEventBinding: 'Add Route',
     addBehavior: 'Add behavior',
+    dragEventRoute: 'Drag route {{index}}',
     behaviorReplyMessages: 'Reply to messages',
     behaviorReplyMessagesDescription:
       'Send incoming messages to an Agent or Pipeline.',
diff --git a/web/src/i18n/locales/ja-JP.ts b/web/src/i18n/locales/ja-JP.ts
index 1b2929036..4a70e634f 100644
--- a/web/src/i18n/locales/ja-JP.ts
+++ b/web/src/i18n/locales/ja-JP.ts
@@ -398,6 +398,7 @@ const jaJP = {
     eventBindings: 'イベントルート',
     addEventBinding: 'ルートを追加',
     addBehavior: '動作を追加',
+    dragEventRoute: 'ルート {{index}} をドラッグ',
     behaviorReplyMessages: '受信メッセージに返信',
     behaviorReplyMessagesDescription:
       '受信メッセージを Agent または Pipeline で処理します。',
diff --git a/web/src/i18n/locales/zh-Hans.ts b/web/src/i18n/locales/zh-Hans.ts
index 1c2710506..8647479c8 100644
--- a/web/src/i18n/locales/zh-Hans.ts
+++ b/web/src/i18n/locales/zh-Hans.ts
@@ -375,6 +375,7 @@ const zhHans = {
     eventBindings: '事件路由',
     addEventBinding: '添加路由',
     addBehavior: '添加行为',
+    dragEventRoute: '拖动第 {{index}} 条路由',
     behaviorReplyMessages: '回复收到的消息',
     behaviorReplyMessagesDescription:
       '把收到的消息交给 Agent 或 Pipeline 处理。',
diff --git a/web/tests/e2e/crud-smoke.spec.ts b/web/tests/e2e/crud-smoke.spec.ts
index 1457743dd..d6bbd54ca 100644
--- a/web/tests/e2e/crud-smoke.spec.ts
+++ b/web/tests/e2e/crud-smoke.spec.ts
@@ -872,6 +872,66 @@ test.describe('agent and pipeline save concurrency', () => {
 });
 
 test.describe('cross-resource flows', () => {
+  test('reorders bot event routes with a visible drag preview', async ({
+    page,
+  }) => {
+    await installLangBotApiMocks(page, {
+      authenticated: true,
+      withAdapterEvents: true,
+    });
+
+    await page.goto('/home/bots?id=new');
+    await selectPlaywrightAdapter(page);
+    await page.locator('input[name="name"]').fill('Routing Bot');
+    await submit(page);
+    await expect(page).toHaveURL(/\/home\/bots\?id=bot-1$/);
+
+    await page.getByRole('button', { name: 'Add behavior' }).click();
+    await page.getByRole('menuitem', { name: /^Reply to messages/ }).click();
+    await page.getByRole('button', { name: 'Add behavior' }).click();
+    await page.getByRole('menuitem', { name: /^Welcome new members/ }).click();
+
+    const routeCards = page.locator('[data-testid^="event-route-"]');
+    await expect(routeCards).toHaveCount(2);
+    await expect(routeCards.nth(0)).toContainText('Message received');
+    await expect(routeCards.nth(1)).toContainText('Member joined group');
+
+    const firstHandle = page.getByRole('button', { name: 'Drag route 1' });
+    const secondCard = routeCards.nth(1);
+    const handleBox = await firstHandle.boundingBox();
+    const targetBox = await secondCard.boundingBox();
+    expect(handleBox).not.toBeNull();
+    expect(targetBox).not.toBeNull();
+
+    await page.mouse.move(
+      handleBox!.x + handleBox!.width / 2,
+      handleBox!.y + handleBox!.height / 2,
+    );
+    await page.mouse.down();
+    await page.mouse.move(
+      handleBox!.x + handleBox!.width / 2,
+      handleBox!.y + handleBox!.height / 2 + 10,
+      { steps: 4 },
+    );
+    await expect(page.locator('[data-drag-overlay="true"]')).toBeVisible();
+    await page.mouse.move(
+      targetBox!.x + targetBox!.width / 2,
+      targetBox!.y + targetBox!.height - 4,
+      { steps: 12 },
+    );
+    await page.mouse.up();
+
+    await expect(page.locator('[data-drag-overlay="true"]')).toHaveCount(0);
+    await expect(routeCards.nth(0)).toContainText('Member joined group');
+    await expect(routeCards.nth(1)).toContainText('Message received');
+
+    await save(page);
+    await page.reload();
+    const savedRouteCards = page.locator('[data-testid^="event-route-"]');
+    await expect(savedRouteCards.nth(0)).toContainText('Member joined group');
+    await expect(savedRouteCards.nth(1)).toContainText('Message received');
+  });
+
   test('creates a pipeline then binds it to a bot', async ({ page }) => {
     await installLangBotApiMocks(page, { authenticated: true });