新批次的夜间模式适配代码

lib/widgets/battery_summary.dart

@@ -19,20 +19,20 @@ class BatterySummary extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final isDark = Theme.of(context).brightness == Brightness.dark;
     final bool isAbnormal = abnormalType != DataAbnormalType.none;
     final bool isCapacityAbnormal =
         abnormalType == DataAbnormalType.capacityTooLow ||
         abnormalType == DataAbnormalType.capacityTooHigh;
 
-    // 健康度颜色：异常时红色，否则按阈值
-    final Color healthColor = isAbnormal
-        ? Colors.red
-        : (healthPercent < 70 ? Colors.red : Colors.black);
-
-    // 容量颜色：异常时红色，否则灰色
+    // 🟢 颜色完全动态
+    final Color defaultTextColor = Theme.of(context).colorScheme.onSurface;
+    final Color mutedTextColor = isDark
+        ? Colors.grey.shade400
+        : const Color(0xFF5F5F5F);
     final Color capacityColor = isCapacityAbnormal
         ? Colors.red
-        : const Color(0xFF5F5F5F);
+        : mutedTextColor;
 
     return Row(
       crossAxisAlignment: CrossAxisAlignment.end,
@@ -49,7 +49,7 @@ class BatterySummary extends StatelessWidget {
                 fontSize: 40,
                 fontWeight: FontWeight.w500,
                 height: 1.0,
-                color: healthColor,
+                color: isAbnormal ? Colors.red : defaultTextColor,
               ),
             ),
             const SizedBox(width: 2),
@@ -60,9 +60,7 @@ class BatterySummary extends StatelessWidget {
                 fontSize: 20,
                 fontWeight: FontWeight.w300,
                 height: 1.0,
-                color: healthColor == Colors.red
-                    ? Colors.red
-                    : Colors.grey.shade600,
+                color: isAbnormal ? Colors.red : Colors.grey.shade600,
               ),
             ),
           ],
@@ -74,21 +72,18 @@ class BatterySummary extends StatelessWidget {
           children: [
             RichText(
               text: TextSpan(
-                style: const TextStyle(
+                style: TextStyle(
                   fontFamily: 'Flyme',
                   fontSize: 16,
                   fontWeight: FontWeight.w500,
                   height: 1.2,
-                  color: Colors.black,
+                  color: defaultTextColor,
                 ),
                 children: [
                   TextSpan(text: '$cycleCount'),
-                  const TextSpan(
+                  TextSpan(
                     text: ' cycles',
-                    style: TextStyle(
-                      fontFamily: 'HarmonyOS_Sans_SC',
-                      color: Colors.black,
-                    ),
+                    style: const TextStyle(fontFamily: 'HarmonyOS_Sans_SC'),
                   ),
                 ],
               ),