diff --git a/frontend/src/App.css b/frontend/src/App.css
index 62c98da..7b8de62 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -7619,6 +7619,7 @@ html.desktop-client .tmb-logo-version {
   width: min(320px, calc(100vw - 24px));
   max-height: min(420px, 60vh);
   overflow: auto;
+  overscroll-behavior: contain;
   padding: 8px 10px;
   border-radius: 8px;
   border: 1px solid color-mix(in srgb, #a78bfa 45%, transparent);
diff --git a/frontend/src/components/strategyEditor/ConditionPresetPicker.tsx b/frontend/src/components/strategyEditor/ConditionPresetPicker.tsx
index a5c5b38..afa4cbf 100644
--- a/frontend/src/components/strategyEditor/ConditionPresetPicker.tsx
+++ b/frontend/src/components/strategyEditor/ConditionPresetPicker.tsx
@@ -93,6 +93,21 @@ export default function ConditionPresetPicker({
     };
   }, [onClose]);
 
+  /** 그래프 모드: 팝업 위 휠 스크롤이 React Flow 줌으로 전달되지 않도록 차단 */
+  useEffect(() => {
+    const el = popRef.current;
+    if (!el) return;
+    const onWheel = (e: WheelEvent) => {
+      e.stopPropagation();
+    };
+    el.addEventListener('wheel', onWheel, { capture: true, passive: true });
+    return () => el.removeEventListener('wheel', onWheel, { capture: true });
+  }, []);
+
+  const stopWheelBubble = (e: React.WheelEvent) => {
+    e.stopPropagation();
+  };
+
   const handlePick = (preset: ConditionPreset) => {
     if (isCompoundConditionPreset(preset)) {
       onReplaceNode(applyCompoundConditionPreset(nodeId, condition, preset, def));
@@ -104,7 +119,7 @@ export default function ConditionPresetPicker({
 
   if (presets.length === 0) {
     return (
-      <div ref={popRef} className={popoverClassName} role="dialog" aria-label="조건 선택">
+      <div ref={popRef} className={popoverClassName} role="dialog" aria-label="조건 선택" onWheel={stopWheelBubble}>
         <div className="se-cond-preset-head">
           <span>조건 선택</span>
           <button type="button" className="se-flow-settings-close" onClick={onClose} aria-label="닫기">×</button>
@@ -115,7 +130,7 @@ export default function ConditionPresetPicker({
   }
 
   return (
-    <div ref={popRef} className={popoverClassName} role="dialog" aria-label="조건 선택">
+    <div ref={popRef} className={popoverClassName} role="dialog" aria-label="조건 선택" onWheel={stopWheelBubble}>
       <div className="se-cond-preset-head">
         <span>조건 선택</span>
         <button type="button" className="se-flow-settings-close" onClick={onClose} aria-label="닫기">×</button>
diff --git a/frontend/src/styles/strategyEditor.css b/frontend/src/styles/strategyEditor.css
index 5847ac7..2c8f7bd 100644
--- a/frontend/src/styles/strategyEditor.css
+++ b/frontend/src/styles/strategyEditor.css
@@ -1262,6 +1262,7 @@
   width: min(320px, calc(100vw - 24px));
   max-height: min(420px, 60vh);
   overflow: auto;
+  overscroll-behavior: contain;
   padding: 8px 10px;
   border-radius: 8px;
   border: 1px solid color-mix(in srgb, #a78bfa 45%, transparent);