diff --git a/app/Business/SystemizationTodoWorkbookImporter.php b/app/Business/SystemizationTodoWorkbookImporter.php
index 9442319d..e6c2b611 100644
--- a/app/Business/SystemizationTodoWorkbookImporter.php
+++ b/app/Business/SystemizationTodoWorkbookImporter.php
@@ -48,81 +48,30 @@ class SystemizationTodoWorkbookImporter
             $header = $headerInfo['columns'];
             $headerRow = $headerInfo['row'];
 
-            $created = 0;
-            $skipped = 0;
-            DB::transaction(function () use (
+            $rows = $this->workbookRows(
                 $reader,
                 $sheetIndex,
                 $sheetName,
                 $header,
                 $headerRow,
                 $companyId,
-                $userId,
-                &$created,
-                &$skipped
-            ): void {
-                $category = '';
-                $section = '';
-                foreach ($reader->rows($sheetIndex) as $rowNumber => $cells) {
-                    if ($rowNumber <= $headerRow) {
-                        continue;
-                    }
-                    $categoryValue = $this->cell($cells, $header['category'] ?? null);
-                    if ($categoryValue !== '') {
-                        $category = $categoryValue;
-                    }
-                    $sectionValue = $this->cell($cells, $header['section'] ?? null);
-                    if ($sectionValue !== '') {
-                        $section = $sectionValue;
-                    }
-
-                    $title = $this->cell($cells, $header['title'] ?? null);
-                    if ($title === '') {
-                        continue;
-                    }
-
-                    $owner = $this->cell($cells, $header['owner'] ?? null);
-                    $assignee = $this->cell($cells, $header['assignee'] ?? null);
-                    $sourceKey = hash(
-                        'sha256',
-                        implode('|', [$companyId, $sheetName, $rowNumber, $category, $section, $title, $owner, $assignee])
-                    );
+            );
+            $created = 0;
+            $skipped = 0;
+            DB::transaction(function () use ($rows, $companyId, $userId, &$created, &$skipped): void {
+                foreach ($rows as $row) {
                     $exists = SystemizationTodo::withoutGlobalScopes()
                         ->where('company_id', $companyId)
-                        ->where('source_key', $sourceKey)
+                        ->where('source_key', $row['data']['source_key'])
                         ->exists();
                     if ($exists) {
                         $skipped++;
                         continue;
                     }
 
-                    $startText = $this->cell($cells, $header['start'] ?? null);
-                    $finishText = $this->cell($cells, $header['finish'] ?? null);
-                    [$startDate, $startNote] = $this->dateParts($startText);
-                    [$finishDate, $finishNote] = $this->dateParts($finishText);
-                    $progress = $this->cell($cells, $header['progress'] ?? null);
-                    $status = $this->status($progress, $startText, $finishText);
-                    $completedAt = $status === SystemizationTodo::STATUS_COMPLETED
-                        ? ($finishDate ?? now()->toDateString())
-                        : null;
-
                     SystemizationTodo::withoutGlobalScopes()->create([
+                        ...$row['data'],
                         'company_id' => $companyId,
-                        'category' => $category !== '' ? $category : null,
-                        'section' => $section !== '' ? $section : null,
-                        'title' => $title,
-                        'owner' => $owner !== '' ? $owner : null,
-                        'assignee' => $assignee !== '' ? $assignee : null,
-                        'start_date' => $startDate,
-                        'start_note' => $startNote !== '' ? $startNote : null,
-                        'due_date' => $finishDate,
-                        'due_note' => $finishNote !== '' ? $finishNote : null,
-                        'status' => $status,
-                        'completed_at' => $completedAt,
-                        'progress' => $progress !== '' ? $progress : null,
-                        'notes' => ($notes = $this->cell($cells, $header['notes'] ?? null)) !== '' ? $notes : null,
-                        'sort_order' => $rowNumber,
-                        'source_key' => $sourceKey,
                         'imported_at' => now(),
                         'created_by' => $userId,
                         'updated_by' => $userId,
@@ -181,7 +130,17 @@ class SystemizationTodoWorkbookImporter
             $matchedIds = array_values($matches);
             $retained = $existing
                 ->filter(static fn (SystemizationTodo $todo): bool => ! in_array($todo->id, $matchedIds, true))
+                ->sortBy(static fn (SystemizationTodo $todo): string =>
+                    sprintf('%010d-%010d', (int) $todo->sort_order, (int) $todo->id)
+                )
                 ->values();
+            $retainedSortOrder = max(
+                (int) $existing->max('sort_order'),
+                ...array_map(
+                    static fn (array $row): int => (int) $row['data']['sort_order'],
+                    $rows,
+                ),
+            ) + 1;
             $oldSourceKeys = $existing->pluck('source_key', 'id')->all();
             $updated = 0;
             foreach ($matches as $rowIndex => $todoId) {
@@ -209,6 +168,7 @@ class SystemizationTodoWorkbookImporter
                 $existing,
                 $retained,
                 $oldSourceKeys,
+                $retainedSortOrder,
                 $companyId,
                 $userId,
                 &$created,
@@ -262,11 +222,12 @@ class SystemizationTodoWorkbookImporter
                 }
 
                 foreach ($retained as $todo) {
-                    if (($oldSourceKeys[$todo->id] ?? null) !== null) {
-                        SystemizationTodo::withoutGlobalScopes()
-                            ->whereKey($todo->id)
-                            ->update(['source_key' => $oldSourceKeys[$todo->id]]);
-                    }
+                    SystemizationTodo::withoutGlobalScopes()
+                        ->whereKey($todo->id)
+                        ->update([
+                            'sort_order' => $retainedSortOrder++,
+                            'source_key' => $oldSourceKeys[$todo->id] ?? null,
+                        ]);
                 }
             });
 
@@ -285,7 +246,16 @@ class SystemizationTodoWorkbookImporter
 
     /**
      * @param  array<int,int>  $columns
-     * @return array<int,array{row:int,category:string,section:string,title:string,data:array<string,mixed>}>
+     * @return array<int,array{
+     *     row:int,
+     *     title_index:int,
+     *     title_count:int,
+     *     source_title:string,
+     *     category:string,
+     *     section:string,
+     *     title:string,
+     *     data:array<string,mixed>
+     * }>
      */
     private function workbookRows(
         PayablesWorkbookStreamReader $reader,
@@ -311,10 +281,12 @@ class SystemizationTodoWorkbookImporter
                 $section = $sectionValue;
             }
 
-            $title = $this->cell($cells, $columns['title'] ?? null);
-            if ($title === '') {
+            $sourceTitle = $this->cell($cells, $columns['title'] ?? null);
+            if ($sourceTitle === '') {
                 continue;
             }
+            $titles = $this->titleSegments($sourceTitle);
+            $titleCount = count($titles);
             $owner = $this->cell($cells, $columns['owner'] ?? null);
             $assignee = $this->cell($cells, $columns['assignee'] ?? null);
             $startText = $this->cell($cells, $columns['start'] ?? null);
@@ -325,50 +297,108 @@ class SystemizationTodoWorkbookImporter
             $notes = $this->cell($cells, $columns['notes'] ?? null);
             $status = $this->status($progress, $startText, $finishText);
 
-            $rows[] = [
-                'row' => $rowNumber,
-                'category' => $category,
-                'section' => $section,
-                'title' => $title,
-                'data' => [
-                    'category' => $category !== '' ? $category : null,
-                    'section' => $section !== '' ? $section : null,
+            foreach ($titles as $offset => $title) {
+                $titleIndex = $offset + 1;
+                $sortOrder = ($rowNumber * 100) + $titleIndex;
+                $rows[] = [
+                    'row' => $rowNumber,
+                    'title_index' => $titleIndex,
+                    'title_count' => $titleCount,
+                    'source_title' => $sourceTitle,
+                    'category' => $category,
+                    'section' => $section,
                     'title' => $title,
-                    'owner' => $owner !== '' ? $owner : null,
-                    'assignee' => $assignee !== '' ? $assignee : null,
-                    'start_date' => $startDate,
-                    'start_note' => $startNote !== '' ? $startNote : null,
-                    'due_date' => $finishDate,
-                    'due_note' => $finishNote !== '' ? $finishNote : null,
-                    'status' => $status,
-                    'completed_at' => $status === SystemizationTodo::STATUS_COMPLETED
-                        ? ($finishDate ?? now()->toDateString())
-                        : null,
-                    'progress' => $progress !== '' ? $progress : null,
-                    'notes' => $notes !== '' ? $notes : null,
-                    'sort_order' => $rowNumber,
-                    'source_key' => hash(
-                        'sha256',
-                        implode('|', [
-                            $companyId,
-                            $sheetName,
-                            $rowNumber,
-                            $category,
-                            $section,
-                            $title,
-                            $owner,
-                            $assignee,
-                        ])
-                    ),
-                ],
-            ];
+                    'data' => [
+                        'category' => $category !== '' ? $category : null,
+                        'section' => $section !== '' ? $section : null,
+                        'title' => $title,
+                        'owner' => $owner !== '' ? $owner : null,
+                        'assignee' => $assignee !== '' ? $assignee : null,
+                        'start_date' => $startDate,
+                        'start_note' => $startNote !== '' ? $startNote : null,
+                        'due_date' => $finishDate,
+                        'due_note' => $finishNote !== '' ? $finishNote : null,
+                        'status' => $status,
+                        'completed_at' => $status === SystemizationTodo::STATUS_COMPLETED
+                            ? ($finishDate ?? now()->toDateString())
+                            : null,
+                        'progress' => $progress !== '' ? $progress : null,
+                        'notes' => $notes !== '' ? $notes : null,
+                        'sort_order' => $sortOrder,
+                        'source_key' => hash(
+                            'sha256',
+                            implode('|', [
+                                $companyId,
+                                $sheetName,
+                                $rowNumber,
+                                $titleIndex,
+                                $category,
+                                $section,
+                                $title,
+                                $owner,
+                                $assignee,
+                            ])
+                        ),
+                    ],
+                ];
+            }
         }
 
         return $rows;
     }
 
     /**
-     * @param  array<int,array{row:int,category:string,section:string,title:string,data:array<string,mixed>}>  $rows
+     * Split a cell into separate tasks only when it contains multiple numbered lines.
+     *
+     * @return array<int,string>
+     */
+    private function titleSegments(string $value): array
+    {
+        $value = trim(str_replace(["\r\n", "\r"], "\n", $value));
+        $marker = '/^\s*(?:\d+|[一二三四五六七八九十百]+)\s*[、,，.．:：;；)]\s*/u';
+        $lines = preg_split('/\n/u', $value) ?: [];
+        $numberedLines = array_filter(
+            $lines,
+            static fn (string $line): bool => preg_match($marker, trim($line)) === 1,
+        );
+        if (count($numberedLines) < 2) {
+            return [$value];
+        }
+
+        $segments = [];
+        $current = '';
+        foreach ($lines as $line) {
+            $line = trim($line);
+            if ($line === '') {
+                continue;
+            }
+            if (preg_match($marker, $line) === 1) {
+                if ($current !== '') {
+                    $segments[] = trim($current);
+                }
+                $current = trim((string) preg_replace($marker, '', $line));
+                continue;
+            }
+            $current = $current === '' ? $line : $current . "\n" . $line;
+        }
+        if ($current !== '') {
+            $segments[] = trim($current);
+        }
+
+        return $segments !== [] ? $segments : [$value];
+    }
+
+    /**
+     * @param  array<int,array{
+     *     row:int,
+     *     title_index:int,
+     *     title_count:int,
+     *     source_title:string,
+     *     category:string,
+     *     section:string,
+     *     title:string,
+     *     data:array<string,mixed>
+     * }>  $rows
      * @return array{0:array<int,int>,1:array<int,int>}
      */
     private function matchRows(array $rows, \Illuminate\Support\Collection $existing): array
@@ -381,6 +411,32 @@ class SystemizationTodoWorkbookImporter
         }
 
         foreach ($rows as $rowIndex => $row) {
+            if ($row['title_count'] < 2 || $row['title_index'] !== 1) {
+                continue;
+            }
+            $sourceKey = $this->matchTitleKey($row['source_title']);
+            $available = array_values(array_filter(
+                $candidates[$sourceKey] ?? [],
+                fn (SystemizationTodo $todo): bool =>
+                    ! in_array($todo->id, $usedIds, true)
+                    && $this->matchText($todo->category) === $this->matchText($row['category'])
+                    && $this->matchText($todo->section) === $this->matchText($row['section']),
+            ));
+            if ($available === []) {
+                continue;
+            }
+            usort($available, static fn (SystemizationTodo $a, SystemizationTodo $b): int =>
+                abs($a->sort_order - $row['data']['sort_order'])
+                <=> abs($b->sort_order - $row['data']['sort_order'])
+            );
+            $matches[$rowIndex] = $available[0]->id;
+            $usedIds[] = $available[0]->id;
+        }
+
+        foreach ($rows as $rowIndex => $row) {
+            if (isset($matches[$rowIndex])) {
+                continue;
+            }
             $key = $this->matchTitleKey($row['title']);
             $available = array_values(array_filter(
                 $candidates[$key] ?? [],
@@ -390,7 +446,8 @@ class SystemizationTodoWorkbookImporter
                 continue;
             }
             usort($available, static fn (SystemizationTodo $a, SystemizationTodo $b): int =>
-                abs($a->sort_order - $row['row']) <=> abs($b->sort_order - $row['row'])
+                abs($a->sort_order - $row['data']['sort_order'])
+                <=> abs($b->sort_order - $row['data']['sort_order'])
             );
             $todo = $available[0];
             $matches[$rowIndex] = $todo->id;
@@ -419,7 +476,7 @@ class SystemizationTodoWorkbookImporter
                     $pairs[] = [
                         'rowIndex' => $rowIndex,
                         'todoId' => $todoId,
-                        'score' => $similarity - abs($todo->sort_order - $row['row']) / 1000,
+                        'score' => $similarity - abs($todo->sort_order - $row['data']['sort_order']) / 1000,
                     ];
                 }
             }
@@ -445,7 +502,7 @@ class SystemizationTodoWorkbookImporter
     private function matchTitleKey(?string $value): string
     {
         $value = preg_replace(
-            '/^\s*(?:\d+|[一二三四五六七八九十百]+)\s*[、.．:：)]\s*/u',
+            '/^\s*(?:\d+|[一二三四五六七八九十百]+)\s*[、,，.．:：;；)]\s*/u',
             '',
             (string) $value,
         ) ?? '';
diff --git a/app/Http/Controllers/Business/SystemizationTodos.php b/app/Http/Controllers/Business/SystemizationTodos.php
index 3e4437f2..1420c6aa 100644
--- a/app/Http/Controllers/Business/SystemizationTodos.php
+++ b/app/Http/Controllers/Business/SystemizationTodos.php
@@ -9,6 +9,7 @@ use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 use Illuminate\Routing\Controller;
 use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Storage;
 use Illuminate\Support\Str;
 use Illuminate\Validation\Rule;
@@ -91,6 +92,8 @@ class SystemizationTodos extends Controller
                 'order' => PHP_INT_MAX,
                 'category_display' => '',
                 'section_display' => '',
+                'type_count' => 0,
+                'content_count' => 0,
             ];
             $todo->setAttribute('type_sequence', $sequence['type_sequence']);
             $todo->setAttribute('content_sequence', $sequence['content_sequence']);
@@ -98,8 +101,11 @@ class SystemizationTodos extends Controller
             $todo->setAttribute('hierarchy_order', $sequence['order']);
             $todo->setAttribute('category_display', $sequence['category_display']);
             $todo->setAttribute('section_display', $sequence['section_display']);
+            $todo->setAttribute('type_count', $sequence['type_count']);
+            $todo->setAttribute('content_count', $sequence['content_count']);
         });
         $items = $items->sortBy('hierarchy_order')->values();
+        $positionGroups = $this->positionGroups($sequenceMap);
         if ($filters['type_sequence'] > 0) {
             $items = $items
                 ->filter(static fn (SystemizationTodo $todo): bool =>
@@ -158,6 +164,7 @@ class SystemizationTodos extends Controller
             'view' => 'business.pages.systemization-todos',
             'title' => '系统化待办',
             'items' => $items,
+            'todoPositionGroups' => $positionGroups,
             'todoFilters' => $filters,
             'todoCategories' => $categories,
             'todoOwners' => $this->peopleOptions('owner'),
@@ -174,6 +181,8 @@ class SystemizationTodos extends Controller
             'todoRoutes' => [
                 'store' => route('business.systemization-todos.store'),
                 'update' => route('business.systemization-todos.update', ['todo' => '__TODO__']),
+                'category' => route('business.systemization-todos.category', ['todo' => '__TODO__']),
+                'section' => route('business.systemization-todos.section', ['todo' => '__TODO__']),
                 'destroy' => route('business.systemization-todos.destroy', ['todo' => '__TODO__']),
                 'attachment' => route('business.systemization-todos.attachments.show', [
                     'todo' => '__TODO__',
@@ -241,6 +250,10 @@ class SystemizationTodos extends Controller
         $sequenceMap = [];
         $hierarchyOrder = 0;
         foreach ($categoryKeys as $categoryIndex => $categoryKey) {
+            $typeCount = array_sum(array_map(
+                static fn (array $rows): int => count($rows),
+                $groupedRows[$categoryKey],
+            ));
             $contentKeys = array_keys($sectionOrder[$categoryKey]);
             usort($contentKeys, function (string $left, string $right) use (
                 $categoryKey,
@@ -269,6 +282,8 @@ class SystemizationTodos extends Controller
                         'order' => $hierarchyOrder++,
                         'category_display' => $row['category_label'],
                         'section_display' => $row['section_label'],
+                        'type_count' => $typeCount,
+                        'content_count' => count($contentRows),
                     ];
                 }
             }
@@ -277,6 +292,30 @@ class SystemizationTodos extends Controller
         return $sequenceMap;
     }
 
+    private function positionGroups(array $sequenceMap): array
+    {
+        $groups = [];
+        $todos = SystemizationTodo::query()
+            ->orderBy('sort_order')
+            ->orderBy('id')
+            ->get(['id', 'category', 'section', 'sort_order']);
+        foreach ($todos as $todo) {
+            $sequence = $sequenceMap[$todo->id] ?? null;
+            if ($sequence === null) {
+                continue;
+            }
+            $key = $sequence['type_sequence'] . ':' . $sequence['content_sequence'];
+            $groups[$key] ??= [
+                'category' => (string) ($todo->category ?? ''),
+                'section' => $sequence['section_display'],
+                'count' => 0,
+            ];
+            $groups[$key]['count']++;
+        }
+
+        return array_values($groups);
+    }
+
     private function compareHierarchyGroups(
         string $left,
         string $right,
@@ -293,7 +332,7 @@ class SystemizationTodos extends Controller
     private function hierarchyLabel(?string $value): string
     {
         return trim((string) preg_replace(
-            '/^\s*(?:\d+|[一二三四五六七八九十百]+)\s*[、.．:：)]\s*/u',
+            '/^\s*(?:\d+|[一二三四五六七八九十百]+)\s*[、,，.．:：;；)]\s*/u',
             '',
             (string) $value,
         ));
@@ -314,20 +353,134 @@ class SystemizationTodos extends Controller
     public function store(Request $request): RedirectResponse
     {
         $data = $this->validated($request);
+        $position = max(1, (int) ($data['position'] ?? 1));
+        unset($data['position']);
         $data['company_id'] = (int) company_id();
-        $data['sort_order'] = (int) SystemizationTodo::query()->max('sort_order') + 1;
         $data['created_by'] = user_id();
         $data['updated_by'] = user_id();
         $this->normalizeCompletionDates($data);
-        $todo = SystemizationTodo::query()->create($data);
+        $insertedSequence = $position;
+        $todo = DB::transaction(function () use ($data, $position, &$insertedSequence): SystemizationTodo {
+            $siblings = $this->contentSiblings($data['category'] ?? null, $data['section'] ?? null);
+            $nextOrder = (int) SystemizationTodo::query()->max('sort_order') + 1;
+            if ($siblings->isEmpty()) {
+                $insertOrder = $nextOrder;
+            } elseif ($position <= $siblings->count()) {
+                $insertOrder = (int) $siblings[$position - 1]->sort_order;
+            } else {
+                $insertOrder = (int) $siblings->max('sort_order') + 1;
+            }
+
+            SystemizationTodo::query()
+                ->where('sort_order', '>=', $insertOrder)
+                ->increment('sort_order');
+            $insertedSequence = $siblings->isEmpty()
+                ? 1
+                : min($position, $siblings->count() + 1);
+
+            return SystemizationTodo::query()->create([
+                ...$data,
+                'sort_order' => $insertOrder,
+            ]);
+        });
         $this->storeAttachments($request, $todo);
 
-        return $this->backToPage('待办事项已新增并定位。', 'success', $todo);
+        return $this->backToPage(
+            '待办事项已新增为当前内容第 ' . $insertedSequence . ' 条并定位。',
+            'success',
+            $todo,
+        );
+    }
+
+    public function updateCategory(Request $request, SystemizationTodo $todo): RedirectResponse
+    {
+        $data = $request->validate([
+            'category' => ['required', 'string', 'max:100'],
+        ]);
+        $ids = [];
+        DB::transaction(function () use ($todo, $data, &$ids): void {
+            $ids = $this->groupTodoIds($todo, false);
+            $this->updateGroupField($ids, ['category' => trim($data['category'])]);
+        });
+
+        return $this->backToPage(
+            '类型已更新，当前类型下的 ' . count($ids) . ' 条待办已同步调整。',
+            'success',
+            $todo,
+        );
+    }
+
+    public function updateSection(Request $request, SystemizationTodo $todo): RedirectResponse
+    {
+        $data = $request->validate([
+            'section' => ['required', 'string', 'max:255'],
+        ]);
+        $ids = [];
+        DB::transaction(function () use ($todo, $data, &$ids): void {
+            $ids = $this->groupTodoIds($todo, true);
+            $this->updateGroupField($ids, ['section' => trim($data['section'])]);
+        });
+
+        return $this->backToPage(
+            '内容已更新，当前内容下的 ' . count($ids) . ' 条待办已同步调整。',
+            'success',
+            $todo,
+        );
+    }
+
+    private function contentSiblings(?string $category, ?string $section): Collection
+    {
+        $categoryKey = $this->hierarchyGroupKey($this->hierarchyLabel($category));
+        $sectionKey = $this->hierarchyGroupKey($this->hierarchyLabel($section));
+
+        return SystemizationTodo::query()
+            ->orderBy('sort_order')
+            ->orderBy('id')
+            ->lockForUpdate()
+            ->get()
+            ->filter(fn (SystemizationTodo $todo): bool =>
+                $this->hierarchyGroupKey($this->hierarchyLabel($todo->category)) === $categoryKey
+                && $this->hierarchyGroupKey($this->hierarchyLabel($todo->section)) === $sectionKey
+            )
+            ->values();
+    }
+
+    private function groupTodoIds(SystemizationTodo $todo, bool $includeSection): array
+    {
+        $categoryKey = $this->hierarchyGroupKey($this->hierarchyLabel($todo->category));
+        $sectionKey = $this->hierarchyGroupKey($this->hierarchyLabel($todo->section));
+
+        return SystemizationTodo::query()
+            ->lockForUpdate()
+            ->get(['id', 'category', 'section'])
+            ->filter(fn (SystemizationTodo $candidate): bool =>
+                $this->hierarchyGroupKey($this->hierarchyLabel($candidate->category)) === $categoryKey
+                && (! $includeSection
+                    || $this->hierarchyGroupKey($this->hierarchyLabel($candidate->section)) === $sectionKey)
+            )
+            ->pluck('id')
+            ->map(static fn (mixed $id): int => (int) $id)
+            ->values()
+            ->all();
+    }
+
+    private function updateGroupField(array $ids, array $data): void
+    {
+        if ($ids === []) {
+            return;
+        }
+        SystemizationTodo::query()
+            ->whereIn('id', $ids)
+            ->update([
+                ...$data,
+                'updated_by' => user_id(),
+            ]);
     }
 
     public function update(Request $request, SystemizationTodo $todo): RedirectResponse
     {
         $data = $this->validated($request);
+        unset($data['position']);
         $data['updated_by'] = user_id();
         $this->normalizeCompletionDates($data);
 
@@ -471,6 +624,7 @@ class SystemizationTodos extends Controller
             'category' => ['nullable', 'string', 'max:100'],
             'section' => ['nullable', 'string', 'max:255'],
             'title' => ['required', 'string', 'max:5000'],
+            'position' => ['nullable', 'integer', 'min:1'],
             'owner' => ['nullable', 'string', 'max:255'],
             'assignee' => ['nullable', 'string', 'max:255'],
             'start_date' => ['nullable', 'date_format:Y-m-d'],
diff --git a/resources/views/business/pages/systemization-todos.blade.php b/resources/views/business/pages/systemization-todos.blade.php
index c9409498..2c555b77 100644
--- a/resources/views/business/pages/systemization-todos.blade.php
+++ b/resources/views/business/pages/systemization-todos.blade.php
@@ -29,7 +29,7 @@
         .sys-todo-filter__multi details[open] > summary { border-color:var(--sys-gold); box-shadow:0 0 0 3px rgba(133,102,50,.14); }
         .sys-todo-filter__multi details[open] > summary .material-icons-outlined { transform:translateY(-50%) rotate(180deg); }
         .sys-todo-filter__multi-label { color:#595959; font-size:.72rem; line-height:1; }
-        .sys-todo-filter__multi-value { overflow:hidden; font-size:.8125rem; line-height:1.2; text-overflow:ellipsis; white-space:nowrap; }
+        .sys-todo-filter__multi-value { font-size:.8125rem; line-height:1.35; overflow-wrap:anywhere; white-space:normal; }
         .sys-todo-filter__multi-menu { position:absolute; top:calc(100% + .3rem); left:0; z-index:20; display:grid; width:max(100%,13rem); max-height:17rem; padding:.35rem; border:1px solid var(--sys-border); border-radius:.55rem; background:#fff; box-shadow:0 8px 22px rgba(23,23,23,.16); overflow:auto; }
         .sys-todo-filter__multi-menu label { display:flex; flex:none; align-items:center; gap:.45rem; min-height:2rem; padding:.3rem .45rem; border-radius:.35rem; color:#333; font-size:.78rem; cursor:pointer; }
         .sys-todo-filter__multi-menu label:hover { background:var(--sys-gold-soft); }
@@ -42,15 +42,16 @@
         .sys-todo-table th { position:sticky; top:0; z-index:4; padding:.55rem .48rem; border-bottom:1px solid var(--sys-border); background:#f3ece0; color:#3d3a35; text-align:left; white-space:nowrap; }
         .sys-todo-table th:first-child { left:0; z-index:8; width:5.4rem; min-width:5.4rem; text-align:center; box-shadow:1px 0 0 #e5ddcf; }
         .sys-todo-table td { padding:.72rem .6rem; border-bottom:1px solid #eee7da; background:#fff; color:#2f2a23; line-height:1.6; vertical-align:top; }
-        .sys-todo-table tbody tr { cursor:pointer; }
         .sys-todo-table tbody tr:hover td { background:#fdfbf6; }
         .sys-todo-table tbody tr.is-highlighted td { background:#fff4cf !important; }
-        .sys-todo-table tbody tr:focus-visible { outline:2px solid var(--sys-gold); outline-offset:-2px; }
+        .sys-todo-table [data-sys-todo-row-edit], .sys-todo-table [data-sys-todo-group-edit] { cursor:pointer; }
+        .sys-todo-table [data-sys-todo-row-edit]:hover, .sys-todo-table [data-sys-todo-group-edit]:hover { background:#fff4cf; }
+        .sys-todo-table [data-sys-todo-row-edit]:focus-visible, .sys-todo-table [data-sys-todo-group-edit]:focus-visible { outline:2px solid var(--sys-gold); outline-offset:-2px; }
         .sys-todo-table__index-cell { width:3.6rem; min-width:3.6rem; text-align:center; }
         .sys-todo-table__index { color:#6d5630; font-weight:600; font-variant-numeric:tabular-nums; white-space:nowrap; }
         .sys-todo-table__group { padding-top:.9rem; padding-bottom:.9rem; background:#fcfaf5; font-weight:600; line-height:1.7; vertical-align:middle; }
         .sys-todo-table__group-content { display:inline-flex; align-items:flex-start; gap:.38rem; min-width:0; }
-        .sys-todo-table__group-text { min-width:0; }
+        .sys-todo-table__group-text { min-width:0; white-space:pre-line; overflow-wrap:anywhere; }
         .sys-todo-table__level { display:inline-flex; flex:0 0 auto; align-items:center; justify-content:center; min-width:1.35rem; height:1.35rem; margin-top:.05rem; border:1px solid #d8c9aa; border-radius:999px; background:#fffaf0; color:var(--sys-gold); font-size:.68rem; font-weight:700; font-variant-numeric:tabular-nums; }
         .sys-todo-table__type { position:sticky; left:0; z-index:3; width:5.4rem; min-width:5.4rem; text-align:center; white-space:nowrap; box-shadow:1px 0 0 #e5ddcf; }
         .sys-todo-table__type .sys-todo-table__group-text { white-space:normal; }
@@ -59,8 +60,6 @@
         .sys-todo-table__title { min-width:17rem; max-width:24rem; font-weight:600; }
         .sys-todo-table__progress { min-width:12rem; max-width:20rem; }
         .sys-todo-table__notes { min-width:9rem; max-width:16rem; }
-        .sys-todo-table__clamp { display:-webkit-box; overflow:hidden; -webkit-box-orient:vertical; -webkit-line-clamp:3; }
-        .sys-todo-table__section .sys-todo-table__clamp { -webkit-line-clamp:2; }
         .sys-todo-badge { display:inline-flex; align-items:center; padding:.1rem .45rem; border:1px solid #dfd6c5; border-radius:999px; background:#faf6ee; color:#51483c; white-space:nowrap; }
         .sys-todo-badge--progress { border-color:#dbbf7a; background:#fff7df; color:#935f07; }
         .sys-todo-badge--completed { border-color:#bad0ac; background:#f2f8ed; color:#53793e; }
@@ -95,13 +94,14 @@
         .sys-todo-dialog__body { max-height:calc(90vh - 9rem); overflow:auto; padding:1rem 1.25rem; }
         .sys-todo-form-grid { display:grid; grid-template-columns:repeat(12,minmax(0,1fr)); gap:.75rem 1rem; }
         .sys-todo-field { display:grid; gap:.3rem; min-width:0; color:#595959; font-size:.75rem; }
+        .sys-todo-field--2 { grid-column:span 2; }
         .sys-todo-field--3 { grid-column:span 3; }
         .sys-todo-field--4 { grid-column:span 4; }
         .sys-todo-field--6 { grid-column:span 6; }
         .sys-todo-field--12 { grid-column:span 12; }
         .sys-todo-field input, .sys-todo-field select, .sys-todo-field textarea { width:100%; padding:.5rem .6rem; border:1px solid var(--sys-border); border-radius:.45rem; background:#fff; color:#171717; font:inherit; font-size:.8125rem; }
         .sys-todo-field input, .sys-todo-field select { min-height:2.15rem; }
-        .sys-todo-field textarea { min-height:5.5rem; resize:vertical; line-height:1.55; }
+        .sys-todo-field textarea { min-height:5.5rem; resize:vertical; line-height:1.55; overflow:hidden; }
         .sys-todo-new-category { margin-top:.35rem; }
         .sys-todo-new-category[hidden] { display:none; }
         .sys-todo-owner-checks { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.2rem .45rem; max-height:7rem; padding:.4rem; border:1px solid var(--sys-border); border-radius:.45rem; background:#fff; overflow:auto; }
@@ -135,6 +135,18 @@
         .sys-todo-confirm__actions button { min-height:2.1rem; padding:0 .9rem; border:1px solid var(--sys-border); border-radius:.45rem; background:#fff; font:inherit; font-size:.8125rem; cursor:pointer; }
         .sys-todo-confirm__actions .sys-todo-confirm__submit { border-color:#b80000; background:#b80000; color:#fff; }
         .sys-todo-confirm__actions .sys-todo-confirm__submit:hover { background:#920000; }
+        .sys-todo-group-dialog { width:min(34rem,calc(100vw - 2rem)); padding:0; border:1px solid var(--sys-border); border-radius:.8rem; background:#fff; color:#171717; overflow:hidden; }
+        .sys-todo-group-dialog::backdrop { background:rgba(23,23,23,.58); }
+        .sys-todo-group-dialog__head { display:flex; align-items:center; gap:.75rem; padding:.9rem 1rem; border-bottom:1px solid #e8e0d2; background:#faf6ee; }
+        .sys-todo-group-dialog__head h2 { margin:0; font-size:.95rem; }
+        .sys-todo-group-dialog__head button { margin-left:auto; width:2rem; height:2rem; padding:0; border:1px solid var(--sys-border); border-radius:999px; background:#fff; color:#595959; cursor:pointer; }
+        .sys-todo-group-dialog__body { display:grid; gap:.55rem; padding:1rem; }
+        .sys-todo-group-dialog__body label { display:grid; gap:.35rem; color:#595959; font-size:.76rem; }
+        .sys-todo-group-dialog__body textarea { width:100%; min-height:5.5rem; padding:.55rem .65rem; border:1px solid var(--sys-border); border-radius:.45rem; font:inherit; font-size:.84rem; line-height:1.6; overflow:hidden; resize:vertical; }
+        .sys-todo-group-dialog__note { margin:0; color:#666; font-size:.73rem; line-height:1.55; }
+        .sys-todo-group-dialog__actions { display:flex; justify-content:flex-end; gap:.5rem; padding:.75rem 1rem; border-top:1px solid #e8e0d2; background:#fcfaf5; }
+        .sys-todo-group-dialog__actions button { min-height:2.1rem; padding:0 .9rem; border:1px solid var(--sys-border); border-radius:.45rem; background:#fff; font:inherit; font-size:.8125rem; cursor:pointer; }
+        .sys-todo-group-dialog__actions button[type="submit"] { border-color:var(--sys-gold); background:var(--sys-gold); color:#fff; }
         .sys-todo-image-dialog { width:min(72rem,calc(100vw - 2rem)); max-height:92vh; padding:0; border:1px solid var(--sys-border); border-radius:.8rem; background:#111; color:#fff; overflow:hidden; }
         .sys-todo-image-dialog::backdrop { background:rgba(5,5,6,.78); }
         .sys-todo-image-dialog__head { display:flex; align-items:center; gap:1rem; padding:.65rem .85rem; background:#1d1d1f; }
@@ -146,7 +158,7 @@
         .sys-todo-image-dialog__foot a { color:#f0e4bf; font-size:.75rem; }
         @media (max-width:1300px) { .sys-todo-summary { grid-template-columns:repeat(3,minmax(0,1fr)); } }
         @media (max-width:900px) { .sys-todo-filter label, .sys-todo-filter label.sys-todo-filter__keyword { flex-basis:9rem; } .sys-todo-filter__actions { width:100%; } .sys-todo-filter__actions .sys-todo-page__button { flex:1; } }
-        @media (max-width:720px) { .sys-todo-summary { grid-template-columns:repeat(2,minmax(0,1fr)); } .sys-todo-filter label, .sys-todo-filter label.sys-todo-filter__keyword { flex-basis:10rem; } .sys-todo-field--3,.sys-todo-field--4,.sys-todo-field--6 { grid-column:span 12; } }
+        @media (max-width:720px) { .sys-todo-summary { grid-template-columns:repeat(2,minmax(0,1fr)); } .sys-todo-filter label, .sys-todo-filter label.sys-todo-filter__keyword { flex-basis:10rem; } .sys-todo-field--2,.sys-todo-field--3,.sys-todo-field--4,.sys-todo-field--6 { grid-column:span 12; } }
     </style>
 
     <div class="biz-card-head">
@@ -266,7 +278,7 @@
     @php
         $cleanDisplayLabel = static function (?string $value): string {
             return trim((string) preg_replace(
-                '/^\s*(?:\d+|[一二三四五六七八九十百]+)\s*[、.．:：)]\s*/u',
+                '/^\s*(?:\d+|[一二三四五六七八九十百]+)\s*[、,，.．:：;；)]\s*/u',
                 '',
                 (string) $value,
             ));
@@ -321,7 +333,7 @@
     @endphp
 
     <div class="sys-todo-table__add">
-        <span>共 {{ number_format($items->count()) }} 条，已全部显示。点击任意事项行可直接编辑。</span>
+        <span>共 {{ number_format($items->count()) }} 条，已全部显示。点击待办事项编辑详情；点击类型或内容可单独修改该组名称。</span>
         <button type="button" data-sys-todo-create
                 data-sys-todo-default-category="{{ $lastItem?->category ?? '' }}"
                 data-sys-todo-default-section="{{ $lastSectionLabel }}">
@@ -375,9 +387,16 @@
                     $categorySpan = $groupRowspans['category'][$loop->index] ?? 1;
                     $sectionSpan = $groupRowspans['section'][$loop->index] ?? 1;
                 @endphp
-                <tr id="sys-todo-row-{{ $item->id }}" class="{{ $highlightId === (int) $item->id ? 'is-highlighted' : '' }}" tabindex="0" data-sys-todo-row-edit="{{ $todoPayloadEncoded }}" title="点击整行直接编辑">
+                <tr id="sys-todo-row-{{ $item->id }}" class="{{ $highlightId === (int) $item->id ? 'is-highlighted' : '' }}">
                     @if ($categorySpan !== 0)
-                        <td class="sys-todo-table__group sys-todo-table__type" @if ($categorySpan > 1) rowspan="{{ $categorySpan }}" @endif>
+                        <td class="sys-todo-table__group sys-todo-table__type"
+                            @if ($categorySpan > 1) rowspan="{{ $categorySpan }}" @endif
+                            tabindex="0"
+                            role="button"
+                            title="点击修改类型名称"
+                            data-sys-todo-group-edit="category"
+                            data-sys-todo-group-value="{{ $item->category ?? '' }}"
+                            data-sys-todo-group-count="{{ (int) $item->type_count }}">
                             <span class="sys-todo-table__group-content">
                                 <span class="sys-todo-table__level" title="类型序号">{{ (int) $item->type_sequence }}</span>
                                 <span class="sys-todo-table__group-text">{{ $item->category_display ?: '未分类' }}</span>
@@ -385,15 +404,25 @@
                         </td>
                     @endif
                     @if ($sectionSpan !== 0)
-                        <td class="sys-todo-table__group sys-todo-table__section" @if ($sectionSpan > 1) rowspan="{{ $sectionSpan }}" @endif>
+                        <td class="sys-todo-table__group sys-todo-table__section"
+                            @if ($sectionSpan > 1) rowspan="{{ $sectionSpan }}" @endif
+                            tabindex="0"
+                            role="button"
+                            title="点击修改内容名称"
+                            data-sys-todo-group-edit="section"
+                            data-sys-todo-group-value="{{ $sectionLabels[$loop->index] ?? '' }}"
+                            data-sys-todo-group-count="{{ (int) $item->content_count }}">
                             <span class="sys-todo-table__group-content">
                                 <span class="sys-todo-table__level" title="内容序号">{{ (int) $item->content_sequence }}</span>
-                                <span class="sys-todo-table__group-text sys-todo-table__clamp" title="{{ $sectionLabels[$loop->index] ?: '未填写内容' }}">{{ $sectionLabels[$loop->index] ?: '未填写内容' }}</span>
+                                <span class="sys-todo-table__group-text">{{ $sectionLabels[$loop->index] ?: '未填写内容' }}</span>
                             </span>
                         </td>
                     @endif
                     <td class="sys-todo-table__index-cell"><span class="sys-todo-table__index" title="当前内容内待办序号">{{ (int) $item->item_sequence }}</span></td>
-                    <td class="sys-todo-table__title"><div class="sys-todo-table__clamp" title="{{ $titleLabels[$loop->index] }}">{{ $titleLabels[$loop->index] }}</div></td>
+                    <td class="sys-todo-table__title"
+                        tabindex="0"
+                        title="点击编辑待办"
+                        data-sys-todo-row-edit="{{ $todoPayloadEncoded }}">{{ $titleLabels[$loop->index] }}</td>
                     <td>{{ $item->owner ?: '—' }}</td>
                     <td>{{ $item->assignee ?: '—' }}</td>
                     <td>{{ $item->start_date?->format('Y-m-d') ?: ($item->start_note ?: '—') }}</td>
@@ -402,7 +431,7 @@
                         @if ($isOverdue)<br><span class="sys-todo-badge sys-todo-badge--overdue">已逾期</span>@endif
                     </td>
                     <td><span class="sys-todo-badge {{ $statusClass }}">{{ $item->status }}</span></td>
-                    <td class="sys-todo-table__progress"><div class="sys-todo-table__clamp" title="{{ $item->progress ?: '—' }}">{{ $item->progress ?: '—' }}</div></td>
+                    <td class="sys-todo-table__progress">{{ $item->progress ?: '—' }}</td>
                     <td>
                         @if ($item->attachments->isNotEmpty())
                             <div class="sys-todo-shots">
@@ -423,7 +452,7 @@
                             —
                         @endif
                     </td>
-                    <td class="sys-todo-table__notes"><div class="sys-todo-table__clamp" title="{{ $item->notes ?: '—' }}">{{ $item->notes ?: '—' }}</div></td>
+                    <td class="sys-todo-table__notes">{{ $item->notes ?: '—' }}</td>
                 </tr>
             @empty
                 <tr><td colspan="12"><div class="sys-todo-empty">当前筛选条件下没有待办事项。</div></td></tr>
@@ -459,7 +488,10 @@
                             <input type="text" maxlength="100" placeholder="输入新类型" data-sys-todo-new-category-input>
                         </div>
                     </div>
-                    <label class="sys-todo-field sys-todo-field--4">内容<input name="section" maxlength="255"></label>
+                    <label class="sys-todo-field sys-todo-field--4">内容<textarea name="section" maxlength="255" rows="2" data-sys-todo-auto-grow></textarea></label>
+                    <label class="sys-todo-field sys-todo-field--2 sys-todo-position-field" data-sys-todo-position-field>新增位置
+                        <select name="position" data-sys-todo-position></select>
+                    </label>
                     <label class="sys-todo-field sys-todo-field--3">状态<select name="status" required>@foreach ($todoStatuses as $status)<option value="{{ $status }}">{{ $status }}</option>@endforeach</select></label>
                     <div class="sys-todo-field sys-todo-field--3">
                         <span>总负责人</span>
@@ -475,9 +507,9 @@
                     <label class="sys-todo-field sys-todo-field--3">责任人<input name="assignee" maxlength="255" list="sysTodoAssignees"></label>
                     <label class="sys-todo-field sys-todo-field--3">开始时间<input type="date" name="start_date"></label>
                     <label class="sys-todo-field sys-todo-field--3">完成时间<input type="date" name="due_date"></label>
-                    <label class="sys-todo-field sys-todo-field--6">待办事项<textarea name="title" maxlength="5000" required></textarea></label>
-                    <label class="sys-todo-field sys-todo-field--6">完成情况<textarea name="progress" maxlength="10000"></textarea></label>
-                    <label class="sys-todo-field sys-todo-field--6">备注<textarea name="notes" maxlength="10000"></textarea></label>
+                    <label class="sys-todo-field sys-todo-field--6">待办事项<textarea name="title" maxlength="5000" required data-sys-todo-auto-grow></textarea></label>
+                    <label class="sys-todo-field sys-todo-field--6">完成情况<textarea name="progress" maxlength="10000" data-sys-todo-auto-grow></textarea></label>
+                    <label class="sys-todo-field sys-todo-field--6">备注<textarea name="notes" maxlength="10000" data-sys-todo-auto-grow></textarea></label>
                     <div class="sys-todo-field sys-todo-field--6" data-sys-todo-upload>
                         <span>完成截图</span>
                         <div class="sys-todo-upload-zone">
@@ -497,6 +529,28 @@
         </form>
     </dialog>
 
+    <dialog class="sys-todo-group-dialog" id="sysTodoGroupDialog" aria-labelledby="sysTodoGroupDialogTitle">
+        <form method="POST" data-sys-todo-group-form>
+            @csrf
+            @method('PATCH')
+            <div class="sys-todo-group-dialog__head">
+                <h2 id="sysTodoGroupDialogTitle" data-sys-todo-group-title>修改类型</h2>
+                <button type="button" data-sys-todo-group-close aria-label="关闭">×</button>
+            </div>
+            <div class="sys-todo-group-dialog__body">
+                <label>
+                    <span data-sys-todo-group-label>类型名称</span>
+                    <textarea name="category" required data-sys-todo-group-input data-sys-todo-auto-grow></textarea>
+                </label>
+                <p class="sys-todo-group-dialog__note" data-sys-todo-group-note>保存后会同步修改当前分组的名称。</p>
+            </div>
+            <div class="sys-todo-group-dialog__actions">
+                <button type="button" data-sys-todo-group-close>取消</button>
+                <button type="submit">保存</button>
+            </div>
+        </form>
+    </dialog>
+
     <dialog class="sys-todo-confirm" id="sysTodoDeleteConfirm" aria-labelledby="sysTodoDeleteConfirmTitle">
         <form method="POST" data-sys-todo-delete-form>
             @csrf
@@ -549,6 +603,9 @@
             var categoryValue = dialog.querySelector('[data-sys-todo-category-value]');
             var newCategoryWrap = dialog.querySelector('[data-sys-todo-new-category]');
             var newCategoryInput = dialog.querySelector('[data-sys-todo-new-category-input]');
+            var sectionInput = dialog.querySelector('[name="section"]');
+            var positionField = dialog.querySelector('[data-sys-todo-position-field]');
+            var positionSelect = dialog.querySelector('[data-sys-todo-position]');
             var ownerValue = dialog.querySelector('[data-sys-todo-owner-value]');
             var ownerOptionInputs = Array.prototype.slice.call(
                 dialog.querySelectorAll('[data-sys-todo-owner-options] input[type="checkbox"]')
@@ -557,8 +614,16 @@
             var deleteConfirm = document.getElementById('sysTodoDeleteConfirm');
             var deleteForm = deleteConfirm.querySelector('[data-sys-todo-delete-form]');
             var deleteTitle = deleteConfirm.querySelector('[data-sys-todo-delete-title]');
+            var groupDialog = document.getElementById('sysTodoGroupDialog');
+            var groupForm = groupDialog.querySelector('[data-sys-todo-group-form]');
+            var groupTitle = groupDialog.querySelector('[data-sys-todo-group-title]');
+            var groupLabel = groupDialog.querySelector('[data-sys-todo-group-label]');
+            var groupInput = groupDialog.querySelector('[data-sys-todo-group-input]');
+            var groupNote = groupDialog.querySelector('[data-sys-todo-group-note]');
             var routes = @json($todoRoutes, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+            var positionGroups = @json($todoPositionGroups, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
             var currentTodoId = null;
+            var currentGroupTodoId = null;
             var currentTodoTitle = '';
             var uploadPrompt = '点击选择、拖入此区域或直接粘贴，支持多张，每张不超过 10 MB。';
             var ownerFilter = document.querySelector('[data-sys-todo-owner-filter]');
@@ -582,6 +647,58 @@
                 if (field) field.value = value || '';
             }
 
+            function resizeTextarea(field) {
+                if (!field || field.offsetParent === null) return;
+                field.style.height = 'auto';
+                field.style.height = Math.max(field.scrollHeight, 72) + 'px';
+            }
+
+            function resizeTextareas(root) {
+                (root || document).querySelectorAll('[data-sys-todo-auto-grow]').forEach(resizeTextarea);
+            }
+
+            function normalizedGroupText(value) {
+                return String(value || '')
+                    .replace(/^\s*(?:\d+|[一二三四五六七八九十百]+)\s*[、,，.．:：;；)]\s*/u, '')
+                    .replace(/[\s\p{Z}\u200B\uFEFF]+/gu, '')
+                    .toLowerCase();
+            }
+
+            function currentPositionGroup() {
+                var category = normalizedGroupText(categoryValue.value);
+                var section = normalizedGroupText(sectionInput.value);
+                return positionGroups.find(function (group) {
+                    return normalizedGroupText(group.category) === category
+                        && normalizedGroupText(group.section) === section;
+                }) || null;
+            }
+
+            function populatePositionOptions() {
+                positionSelect.replaceChildren();
+                positionSelect.disabled = !!currentTodoId;
+                if (currentTodoId) {
+                    positionField.hidden = true;
+                    return;
+                }
+
+                positionField.hidden = false;
+                var group = currentPositionGroup();
+                var count = group ? Number(group.count || 0) : 0;
+                for (var index = 1; index <= count; index++) {
+                    var before = document.createElement('option');
+                    before.value = String(index);
+                    before.textContent = '第 ' + index + ' 条前插入（原第 ' + index + ' 条及之后顺延）';
+                    positionSelect.appendChild(before);
+                }
+                var end = document.createElement('option');
+                end.value = String(count + 1);
+                end.textContent = count > 0
+                    ? '添加到末尾（第 ' + (count + 1) + ' 条）'
+                    : '新增为第 1 条';
+                positionSelect.appendChild(end);
+                positionSelect.value = String(count + 1);
+            }
+
             function syncScrollRail() {
                 var rect = tableWrap.getBoundingClientRect();
                 var left = Math.max(8, rect.left);
@@ -719,6 +836,28 @@
                 imagePreview.removeAttribute('src');
             }
 
+            function openGroupDialog(type, value, count) {
+                var isCategory = type === 'category';
+                groupForm.action = routes[isCategory ? 'category' : 'section'].replace('__TODO__', currentGroupTodoId);
+                groupInput.name = isCategory ? 'category' : 'section';
+                groupInput.value = value || '';
+                groupTitle.textContent = isCategory ? '修改类型' : '修改内容';
+                groupLabel.textContent = isCategory ? '类型名称' : '内容名称';
+                groupNote.textContent = '保存后会同步修改当前分组内的 ' + count + ' 条待办。';
+                if (typeof groupDialog.showModal === 'function') groupDialog.showModal();
+                else groupDialog.setAttribute('open', '');
+                window.setTimeout(function () {
+                    resizeTextarea(groupInput);
+                    groupInput.focus();
+                    groupInput.select();
+                }, 0);
+            }
+
+            function closeGroupDialog() {
+                if (typeof groupDialog.close === 'function') groupDialog.close();
+                else groupDialog.removeAttribute('open');
+            }
+
             function openDialog(payload) {
                 currentTodoId = payload && payload.id ? payload.id : null;
                 currentTodoTitle = payload && payload.title ? payload.title : '';
@@ -727,6 +866,7 @@
                 form.action = currentTodoId ? routes.update.replace('__TODO__', currentTodoId) : routes.store;
                 title.textContent = currentTodoId ? '编辑待办' : '新增待办';
                 deleteButton.hidden = !currentTodoId;
+                positionField.hidden = !!currentTodoId;
                 if (payload) {
                     setCategoryValue(payload.category);
                     setValue('section', payload.section);
@@ -746,6 +886,7 @@
                 if (!currentTodoId && !(payload && payload.status)) {
                     setValue('status', '待办');
                 }
+                populatePositionOptions();
 
                 existing.replaceChildren();
                 ((payload && payload.attachments) || []).forEach(function (attachment) {
@@ -776,6 +917,7 @@
                 else dialog.setAttribute('open', '');
                 uploadNote.textContent = uploadPrompt;
                 window.setTimeout(function () {
+                    resizeTextareas(dialog);
                     var titleField = form.querySelector('[name="title"]');
                     if (titleField) titleField.focus();
                 }, 0);
@@ -817,6 +959,20 @@
                     });
                     return;
                 }
+                var groupCell = event.target.closest('[data-sys-todo-group-edit]');
+                if (groupCell) {
+                    var groupRow = groupCell.closest('tr');
+                    var groupRowId = groupRow ? Number(String(groupRow.id).replace('sys-todo-row-', '')) : 0;
+                    if (groupRowId) {
+                        currentGroupTodoId = groupRowId;
+                        openGroupDialog(
+                            groupCell.getAttribute('data-sys-todo-group-edit'),
+                            groupCell.getAttribute('data-sys-todo-group-value'),
+                            Number(groupCell.getAttribute('data-sys-todo-group-count') || 1)
+                        );
+                    }
+                    return;
+                }
                 if (event.target.closest('[data-sys-todo-open-delete]')) {
                     openDeleteConfirm();
                     return;
@@ -827,6 +983,7 @@
                     return;
                 }
                 if (event.target.closest('[data-sys-todo-close]')) closeDialog();
+                if (event.target.closest('[data-sys-todo-group-close]')) closeGroupDialog();
                 if (event.target.closest('[data-sys-todo-delete-close]')) closeDeleteConfirm();
                 if (event.target.closest('[data-sys-todo-image-close]')) closeImageViewer();
                 if (event.target.closest('[data-sys-todo-choose-files]')) screenshotInput.click();
@@ -834,6 +991,9 @@
             dialog.addEventListener('click', function (event) {
                 if (event.target === dialog) closeDialog();
             });
+            groupDialog.addEventListener('click', function (event) {
+                if (event.target === groupDialog) closeGroupDialog();
+            });
             dialog.addEventListener('paste', function (event) {
                 var files = Array.prototype.slice.call(event.clipboardData?.items || [])
                     .filter(function (item) { return item.kind === 'file'; })
@@ -850,9 +1010,25 @@
             deleteConfirm.addEventListener('click', function (event) {
                 if (event.target === deleteConfirm) closeDeleteConfirm();
             });
-            categorySelect.addEventListener('change', syncCategoryValue);
+            categorySelect.addEventListener('change', function () {
+                syncCategoryValue();
+                populatePositionOptions();
+            });
             newCategoryInput.addEventListener('input', function () {
-                if (categorySelect.value === '__new__') syncCategoryValue();
+                if (categorySelect.value === '__new__') {
+                    syncCategoryValue();
+                    populatePositionOptions();
+                }
+            });
+            sectionInput.addEventListener('input', function () {
+                resizeTextarea(sectionInput);
+                populatePositionOptions();
+            });
+            dialog.addEventListener('input', function (event) {
+                if (event.target.matches('[data-sys-todo-auto-grow]')) resizeTextarea(event.target);
+            });
+            groupDialog.addEventListener('input', function (event) {
+                if (event.target.matches('[data-sys-todo-auto-grow]')) resizeTextarea(event.target);
             });
             ownerOptionInputs.forEach(function (input) {
                 input.addEventListener('change', updateOwnerValue);
@@ -881,6 +1057,21 @@
                     closeImageViewer();
                     return;
                 }
+                var groupCell = event.target.closest('[data-sys-todo-group-edit]');
+                if (groupCell && event.target === groupCell && (event.key === 'Enter' || event.key === ' ')) {
+                    event.preventDefault();
+                    var groupRow = groupCell.closest('tr');
+                    var groupRowId = groupRow ? Number(String(groupRow.id).replace('sys-todo-row-', '')) : 0;
+                    if (groupRowId) {
+                        currentGroupTodoId = groupRowId;
+                        openGroupDialog(
+                            groupCell.getAttribute('data-sys-todo-group-edit'),
+                            groupCell.getAttribute('data-sys-todo-group-value'),
+                            Number(groupCell.getAttribute('data-sys-todo-group-count') || 1)
+                        );
+                    }
+                    return;
+                }
                 var row = event.target.closest('[data-sys-todo-row-edit]');
                 if (row && event.target === row && (event.key === 'Enter' || event.key === ' ')) {
                     event.preventDefault();
diff --git a/routes/admin.php b/routes/admin.php
index 31937370..b4899f31 100644
--- a/routes/admin.php
+++ b/routes/admin.php
@@ -785,6 +785,12 @@ Route::prefix('workspace/other/systemization-todos')
             ->middleware('import')
             ->name('import');
         Route::post('/', [SystemizationTodos::class, 'store'])->name('store');
+        Route::patch('{todo}/category', [SystemizationTodos::class, 'updateCategory'])
+            ->whereNumber('todo')
+            ->name('category');
+        Route::patch('{todo}/section', [SystemizationTodos::class, 'updateSection'])
+            ->whereNumber('todo')
+            ->name('section');
         Route::patch('{todo}', [SystemizationTodos::class, 'update'])
             ->whereNumber('todo')
             ->name('update');
diff --git a/tests/Feature/Business/SystemizationTodosTest.php b/tests/Feature/Business/SystemizationTodosTest.php
index f8b310bc..4ed5ecea 100644
--- a/tests/Feature/Business/SystemizationTodosTest.php
+++ b/tests/Feature/Business/SystemizationTodosTest.php
@@ -42,6 +42,10 @@ class SystemizationTodosTest extends FeatureTestCase
             ->assertSee('name="assignee[]"', false)
             ->assertSee('data-sys-todo-category-select', false)
             ->assertSee('data-sys-todo-new-category-input', false)
+            ->assertSee('data-sys-todo-position', false)
+            ->assertSee('data-sys-todo-group-edit', false)
+            ->assertSee('id="sysTodoGroupDialog"', false)
+            ->assertDontSee('sys-todo-table__clamp', false)
             ->assertSeeText('＋ 新增类型')
             ->assertSee('data-sys-todo-choose-files', false)
             ->assertSee('data-sys-todo-open-delete', false)
@@ -127,6 +131,89 @@ class SystemizationTodosTest extends FeatureTestCase
         $this->assertSoftDeleted('business_systemization_todos', ['id' => $todo->id]);
     }
 
+    public function test_can_insert_a_todo_at_a_selected_sequence_and_shift_existing_items(): void
+    {
+        $this->loginAs();
+
+        $items = [];
+        foreach (range(1, 7) as $index) {
+            $items[$index] = $this->createTodo(
+                '收入',
+                '平台收入核对',
+                '原待办 ' . $index,
+                '2026-11-30',
+                $index,
+            );
+        }
+
+        $this->post(route('business.systemization-todos.store'), [
+            'category' => '收入',
+            'section' => '平台收入核对',
+            'position' => 7,
+            'title' => '新增待办 7',
+            'owner' => '晨曦',
+            'assignee' => '栎阳',
+            'status' => SystemizationTodo::STATUS_PENDING,
+        ])->assertRedirect()
+            ->assertSessionHas('success', '待办事项已新增为当前内容第 7 条并定位。');
+
+        $page = $this->get(route('business.pages.show', [
+            'section' => 'other',
+            'page' => 'systemization-todos',
+        ]))->assertOk()->viewData('content');
+        $group = $page['items']
+            ->where('category', '收入')
+            ->where('section', '平台收入核对')
+            ->values();
+
+        $this->assertSame([
+            '原待办 1',
+            '原待办 2',
+            '原待办 3',
+            '原待办 4',
+            '原待办 5',
+            '原待办 6',
+            '新增待办 7',
+            '原待办 7',
+        ], $group->pluck('title')->all());
+        $this->assertSame(
+            range(1, 8),
+            $group->pluck('item_sequence')->map(static fn (mixed $value): int => (int) $value)->all(),
+        );
+        $this->assertGreaterThan(
+            $items[6]->fresh()->sort_order,
+            $items[7]->fresh()->sort_order,
+        );
+    }
+
+    public function test_type_and_content_cells_can_be_edited_for_the_whole_group(): void
+    {
+        $this->loginAs();
+
+        $incomeA = $this->createTodo('收入', '平台收入核对', '收入事项 A', '2026-11-30', 1);
+        $incomeB = $this->createTodo('收入', '平台收入核对', '收入事项 B', '2026-11-30', 2);
+        $incomeOther = $this->createTodo('收入', '退款核对', '退款事项', '2026-11-30', 3);
+        $cost = $this->createTodo('成本', '成本核对', '成本事项', '2026-11-30', 4);
+
+        $this->patch(route('business.systemization-todos.category', ['todo' => $incomeA->id]), [
+            'category' => '业务收入',
+        ])->assertRedirect();
+
+        foreach ([$incomeA, $incomeB, $incomeOther] as $todo) {
+            $this->assertSame('业务收入', $todo->fresh()->category);
+        }
+        $this->assertSame('成本', $cost->fresh()->category);
+
+        $this->patch(route('business.systemization-todos.section', ['todo' => $incomeA->id]), [
+            'section' => '收入核对新版',
+        ])->assertRedirect();
+
+        $this->assertSame('收入核对新版', $incomeA->fresh()->section);
+        $this->assertSame('收入核对新版', $incomeB->fresh()->section);
+        $this->assertSame('退款核对', $incomeOther->fresh()->section);
+        $this->assertSame('成本核对', $cost->fresh()->section);
+    }
+
     public function test_excel_import_preserves_hierarchy_and_does_not_overwrite_existing_rows(): void
     {
         $path = sys_get_temp_dir() . '/systemization-todos-' . uniqid() . '.xlsx';
@@ -461,6 +548,77 @@ class SystemizationTodosTest extends FeatureTestCase
         }
     }
 
+    public function test_excel_sync_splits_numbered_titles_and_keeps_attachment_on_first_item(): void
+    {
+        Storage::fake('uploads');
+        $this->loginAs();
+
+        $combinedTitle = "1、核对平台收入\n\n2、核对订单收入\n3，核对特殊订单";
+        $historical = SystemizationTodo::query()->create([
+            'company_id' => (int) company_id(),
+            'category' => '收入',
+            'section' => '平台收入核对',
+            'title' => $combinedTitle,
+            'owner' => '晨曦',
+            'assignee' => '栎阳',
+            'start_date' => '2026-10-20',
+            'due_date' => '2026-10-21',
+            'status' => SystemizationTodo::STATUS_COMPLETED,
+            'completed_at' => '2026-10-21',
+            'progress' => '已完成',
+            'sort_order' => 2,
+            'source_key' => 'legacy-combined-row',
+            'imported_at' => now(),
+            'created_by' => user_id(),
+            'updated_by' => user_id(),
+        ]);
+        Storage::disk('uploads')->put('systemization-todos/combined.png', 'image');
+        SystemizationTodoAttachment::query()->create([
+            'company_id' => (int) company_id(),
+            'systemization_todo_id' => $historical->id,
+            'path' => 'systemization-todos/combined.png',
+            'original_name' => 'combined.png',
+            'mime_type' => 'image/png',
+            'size' => 5,
+            'uploaded_by' => user_id(),
+        ]);
+
+        $path = sys_get_temp_dir() . '/systemization-split-' . uniqid() . '.xlsx';
+        try {
+            $this->writeWorkbook($path, [
+                ['收入', '平台收入核对', $combinedTitle, '晨曦', '栎阳', '2026-10-20', '2026-10-21', '已完成', null],
+            ]);
+            $preview = app(SystemizationTodoWorkbookImporter::class)
+                ->sync($path, (int) company_id(), user_id(), true);
+            $this->assertSame(2, $preview['created']);
+            $this->assertSame(1, $preview['updated']);
+            $this->assertSame(0, $preview['retained']);
+
+            $result = app(SystemizationTodoWorkbookImporter::class)
+                ->sync($path, (int) company_id(), user_id());
+            $this->assertSame(2, $result['created']);
+            $this->assertSame(1, $result['updated']);
+            $this->assertSame(0, $result['retained']);
+
+            $todos = SystemizationTodo::query()->orderBy('sort_order')->get();
+            $this->assertSame([
+                '核对平台收入',
+                '核对订单收入',
+                '核对特殊订单',
+            ], $todos->pluck('title')->all());
+            $this->assertSame($historical->id, $todos->first()->id);
+            $this->assertSame(1, $todos->first()->attachments()->count());
+
+            $secondResult = app(SystemizationTodoWorkbookImporter::class)
+                ->sync($path, (int) company_id(), user_id());
+            $this->assertSame(0, $secondResult['created']);
+            $this->assertSame(0, $secondResult['updated']);
+            $this->assertSame(3, SystemizationTodo::query()->count());
+        } finally {
+            @unlink($path);
+        }
+    }
+
     private function createTodo(
         string $category,
         string $section,