优化绘图

public/js/app.js

@@ -213,17 +213,10 @@
         dom.globeCard.classList.toggle('expanded');
         dom.btnExpandGlobe.classList.toggle('active');
         if (myMap2D) {
-          // Immediately hide and then show map or just resize? 
-          // ECharts can sometimes glitch when position:fixed + transform happens.
-          // Since we removed transform, resize should be smoother.
-          myMap2D.resize();
-          
-          let resizeCount = 0;
-          const timer = setInterval(() => {
+          // Single deferred resize after the DOM has applied the new layout
+          requestAnimationFrame(() => {
             myMap2D.resize();
-            resizeCount++;
-            if (resizeCount >= 5) clearInterval(timer);
-          }, 100);
+          });
         }
       });
     }
@@ -237,7 +230,7 @@
         if (dom.globeCard && dom.globeCard.classList.contains('expanded')) {
           dom.globeCard.classList.remove('expanded');
           dom.btnExpandGlobe.classList.remove('active');
-          if (myMap2D) setTimeout(() => myMap2D.resize(), 100);
+          if (myMap2D) requestAnimationFrame(() => myMap2D.resize());
         }
       }
     });