style(components): 调整组件z-index值以确保元素可见性

将PointsCollector和TotalPointsDisplay组件的z-index从30提高到999，确保这些元素在其他元素之上可见

@@ -452,7 +452,7 @@ const handleGoToPointsRule = () => {
   flex-direction: column;
   align-items: center;
   justify-content: center;
-  z-index: 30;
+  z-index: 999;
   cursor: pointer;
 }
 

@@ -139,7 +139,7 @@ const handleGoToPointsRule = () => {
   flex-direction: column;
   align-items: center;
   justify-content: center;
-  z-index: 30;
+  z-index: 999;
   cursor: pointer;
 }