feat: 更新拖拽题功能和图像资源，提升学习体验

- 在 DragQuizPanel 组件中添加空白分隔符功能，增强用户交互性。
- 更新多个场景中的图像资源，确保视觉内容的准确性和一致性。
- 调整引导对话文本，提升信息传达的清晰度。
- 引入新的拖拽题逻辑，优化用户填写体验。

src/pages/sunzhongshan/place/place2.tsx

@@ -37,9 +37,9 @@ const SunzhongshanPlace2 = () => {
   const { isEnabled } = useCursorController({
     initialEnabled: [1],
     dependencies: {
-      2: [1],
-      3: [2],
-      4: [3],
+      2: [3],
+      3: [4],
+      4: [1],
     },
     visited: visited,
   });
@@ -55,9 +55,9 @@ const SunzhongshanPlace2 = () => {
   const [guide4Visible, setGuide4Visible] = useState(false);
   const [guide4Step, setGuide4Step] = useState(0);
 
-  // 光标3的视频状态
-  const [showVideo3, setShowVideo3] = useState(false);
-  const video3Ref = useRef<VideoRef>(null);
+  // 光标2的视频状态
+  const [showVideo2, setShowVideo2] = useState(false);
+  const video2Ref = useRef<VideoRef>(null);
 
   const handleOpenExhibit = (index: 1 | 2 | 3 | 4) => {
     setActiveExhibitId(index);
@@ -162,13 +162,13 @@ const SunzhongshanPlace2 = () => {
             setActiveExhibitId(null);
             setShowVideo1(true);
             return;
+          } else if (currentId === 2) {
+            // 光标2：关闭窗口后播放视频
+            setActiveExhibitId(null);
+            setShowVideo2(true);
+            return;
           } else if (currentId === 4) {
             // 光标4：正常关闭，更新visited状态
-          } else if (currentId === 3) {
-            // 光标3：关闭窗口后播放视频
-            setActiveExhibitId(null);
-            setShowVideo3(true);
-            return;
           }
           if (currentId !== null) {
             setVisited((prev) => {
@@ -248,21 +248,21 @@ const SunzhongshanPlace2 = () => {
         </GuideStepsItem>
       </GuideSteps>
 
-      {/* 光标3的视频 */}
-      {showVideo3 && (
+      {/* 光标2的视频 */}
+      {showVideo2 && (
         <Video
-          ref={video3Ref}
+          ref={video2Ref}
           src={getPublicPath("video/sunzhongshan/sunzhongshan_06.mp4")}
           className="fixed inset-0 z-[20000]"
           autoPlay
           playsInline
           showSkipButton
           onEnded={() => {
-            setShowVideo3(false);
+            setShowVideo2(false);
             // 修改cursor状态
             setVisited((prev) => {
               const next = new Set(prev);
-              next.add(3);
+              next.add(2);
               return next;
             });
           }}