diff --git a/pdf_merge.py b/pdf_merge.py
index f3176cd..a31cf29 100755
--- a/pdf_merge.py
+++ b/pdf_merge.py
@@ -92,6 +92,7 @@ def merge(config_path: Path) -> None:
 
     writer = PdfWriter()
     total_added = 0
+    bookmarks: list[tuple[str, int]] = []  # (label, 0-based page index в результате)
 
     for i, step in enumerate(steps, 1):
         if "file" not in step:
@@ -113,10 +114,13 @@ def merge(config_path: Path) -> None:
             print(f"Шаг {i} ({step['file']}): {e}", file=sys.stderr)
             sys.exit(1)
 
+        label = step.get("label", "")
+        if label:
+            bookmarks.append((label, total_added))
+
         for idx in indices:
             writer.add_page(reader.pages[idx])
 
-        label = step.get("label", "")
         label_str = f" [{label}]" if label else ""
         print(
             f"  + {step['file']}{label_str}: "
@@ -125,6 +129,12 @@ def merge(config_path: Path) -> None:
         )
         total_added += len(indices)
 
+    # Добавляем закладки (содержание в боковой панели PDF-ридера)
+    if bookmarks:
+        for bm_label, page_idx in bookmarks:
+            writer.add_outline_item(bm_label, page_idx)
+        print(f"\n  Содержание: {len(bookmarks)} закладок")
+
     output_path.parent.mkdir(parents=True, exist_ok=True)
     with open(output_path, "wb") as out:
         writer.write(out)