进一步优化

public/js/app.js

@@ -845,9 +845,7 @@
           geoIndex: 0,
           symbolSize: 5,
           itemStyle: {
-            color: '#06b6d4',
-            shadowBlur: 3,
-            shadowColor: 'rgba(6, 182, 212, 0.5)'
+            color: '#06b6d4'
           },
           data: []
         }]
@@ -945,9 +943,7 @@
         geoIndex: 0,
         symbolSize: 6,
         itemStyle: {
-          color: '#06b6d4',
-          shadowBlur: 3,
-          shadowColor: 'rgba(6, 182, 212, 0.5)'
+          color: '#06b6d4'
         },
         data: geoData,
         zlevel: 1,
@@ -1047,14 +1043,14 @@
               effect: {
                 show: true,
                 period: period,
-                trailLength: 0.1,
-                color: 'rgba(99, 102, 241, 0.8)',
-                symbol: 'arrow',
-                symbolSize: 6
+                trailLength: 0.05, // Shorter trail = less GPU pixels to process
+                color: 'rgba(99, 102, 241, 0.6)',
+                symbol: 'circle', // Simpler symbol than arrow
+                symbolSize: 4 // Smaller symbol
               },
               lineStyle: {
-                color: 'rgba(99, 102, 241, 0.3)',
-                width: 2,
+                color: 'rgba(99, 102, 241, 0.2)',
+                width: 1.5,
                 curveness: finalCurve
               },
               progressive: 50, // Progressive rendering for GPU offload