fix: 登录页白底+渐变边框/胶囊加大/底部提示/今日健康优化/发送按钮蓝紫渐变

- 登录页：输入框白底+渐变紫蓝外框，去掉focus内框；登录按钮白底紫字；协议勾选白底
- 首页胶囊：适老化加大(内边距14x8/字号15/图标17/圆角18)
- 欢迎卡片底部提示：各智能体专属引导文案，字号加大颜色加深
- 今日健康卡片：健康指标改一行总结(异常提醒/正常显示)；用药显示具体药品名+状态
- 发送按钮：蓝→紫渐变
- 设置页菜单：白色卡片+圆角16+轻阴影
- IP改localhost：adb reverse解决IP变动问题
- 服药打卡快捷按钮：改为跳转打卡页，不再一键全打

health_app/lib/widgets/app_menu_item.dart

@@ -22,45 +22,45 @@ class AppMenuItem extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final theme = ShadTheme.of(context);
     return GestureDetector(
       onTap: onTap,
       behavior: HitTestBehavior.opaque,
       child: Container(
-        margin: const EdgeInsets.symmetric(horizontal: 24, vertical: 2),
-        padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 14),
+        margin: const EdgeInsets.symmetric(horizontal: 24, vertical: 4),
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
         decoration: BoxDecoration(
-          color: theme.colorScheme.card,
-          borderRadius: BorderRadius.circular(AppTheme.rSm),
+          color: Colors.white,
+          borderRadius: BorderRadius.circular(16),
+          boxShadow: [BoxShadow(color: Colors.black.withAlpha(6), blurRadius: 8, offset: const Offset(0, 2))],
         ),
         child: Row(children: [
           Container(
-            width: 38,
-            height: 38,
+            width: 40,
+            height: 40,
             decoration: BoxDecoration(
-              color: Colors.white,
-              borderRadius: BorderRadius.circular(AppTheme.rSm),
+              color: AppColors.cardInner,
+              borderRadius: BorderRadius.circular(12),
             ),
             child: Icon(icon, size: 22, color: AppColors.textPrimary),
           ),
-          const SizedBox(width: AppTheme.sLg),
+          const SizedBox(width: 14),
           Expanded(
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
-                Text(title, style: TextStyle(fontSize: 19, fontWeight: FontWeight.w500, color: theme.colorScheme.foreground)),
+                Text(title, style: const TextStyle(fontSize: 17, fontWeight: FontWeight.w500, color: AppColors.textPrimary)),
                 if (subtitle != null && subtitle!.isNotEmpty)
                   Padding(
                     padding: const EdgeInsets.only(top: 2),
-                    child: Text(subtitle!, style: TextStyle(fontSize: 16, color: theme.colorScheme.mutedForeground)),
+                    child: Text(subtitle!, style: const TextStyle(fontSize: 14, color: AppColors.textHint)),
                   ),
               ],
             ),
           ),
           if (trailing != null && trailing!.isNotEmpty)
-            Text(trailing!, style: TextStyle(fontSize: 17, color: theme.colorScheme.mutedForeground)),
+            Text(trailing!, style: const TextStyle(fontSize: 15, color: AppColors.textHint)),
           const SizedBox(width: 4),
-          Icon(LucideIcons.chevronRight, size: 21, color: theme.colorScheme.mutedForeground),
+          const Icon(Icons.chevron_right, size: 20, color: AppColors.textHint),
         ]),
       ),
     );