fix(player): 修复清晰度切换闪屏与还原黑屏

lib/pages/player/widgets/home_feed_overlay.dart

@@ -149,33 +149,6 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
               onInteractionEnd: widget.onBoostEnd,
             ),
           ),
-          Positioned(
-            left: _pageHorizontal,
-            right: _railRight,
-            bottom: _bottomInfoInset,
-            child: AnimatedOpacity(
-              key: const Key('home-feed-content-opacity'),
-              duration: _overlayFadeDuration,
-              opacity: widget.visible && !_scrubbing && !widget.boosting
-                  ? 1
-                  : 0,
-              child: IgnorePointer(
-                key: const Key('home-feed-content-ignore'),
-                ignoring: !widget.visible || _scrubbing || widget.boosting,
-                child: Row(
-                  crossAxisAlignment: CrossAxisAlignment.end,
-                  children: [
-                    Expanded(child: _bottomInfo()),
-                    const SizedBox(width: _railGap),
-                    Padding(
-                      padding: const EdgeInsets.only(bottom: _railBottomOffset),
-                      child: _rail(),
-                    ),
-                  ],
-                ),
-              ),
-            ),
-          ),
           Positioned(
             left: 0,
             right: 0,
@@ -227,6 +200,36 @@ class _HomeFeedOverlayState extends State<HomeFeedOverlay> {
               ),
             ),
           ),
+          // 信息面板放在最后（最上层）：进度条 32px 触控盒向上伸进底部避让区，
+          // 若面板在前，简介/展开按钮底部的触控留白会被进度条吞掉点击。
+          // 视觉上避让条带为空，提层不改变观感。
+          Positioned(
+            left: _pageHorizontal,
+            right: _railRight,
+            bottom: _bottomInfoInset,
+            child: AnimatedOpacity(
+              key: const Key('home-feed-content-opacity'),
+              duration: _overlayFadeDuration,
+              opacity: widget.visible && !_scrubbing && !widget.boosting
+                  ? 1
+                  : 0,
+              child: IgnorePointer(
+                key: const Key('home-feed-content-ignore'),
+                ignoring: !widget.visible || _scrubbing || widget.boosting,
+                child: Row(
+                  crossAxisAlignment: CrossAxisAlignment.end,
+                  children: [
+                    Expanded(child: _bottomInfo()),
+                    const SizedBox(width: _railGap),
+                    Padding(
+                      padding: const EdgeInsets.only(bottom: _railBottomOffset),
+                      child: _rail(),
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          ),
         ],
       ),
     );