feat: UI 系统中心化 + 趋势图重构 + 法律文档 H5 上线

- UI 系统: 新增 design_tokens / module_visuals / app_buttons / app_status_badge / app_toast / ai_content 六个共享模块; 28 个页面接入, SnackBar 全部替换为 AppToast
- 趋势图: 直线折线 + 渐变填充 + 阴影; 去网格线; X 轴日+月份分隔; Y 轴整数刻度最多 4 个; 点击数据点/录入记录显示上方浮层, 选中点变实心
- 法律文档 H5: 后端 wwwroot 托管隐私政策/服务协议/关于/个人信息收集清单/第三方 SDK 清单 + 索引页; Program.cs 启用 UseDefaultFiles + UseStaticFiles
- 其他: auth_provider 登录流程调整; api_client IP 适配; 主页智能体栏间距优化

health_app/lib/pages/profile/profile_page.dart

@@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../../core/app_colors.dart';
+import '../../core/app_design_tokens.dart';
+import '../../core/app_module_visuals.dart';
 import '../../core/app_theme.dart';
 import '../../core/navigation_provider.dart';
 import '../../providers/auth_provider.dart';
@@ -36,10 +38,10 @@ class ProfilePage extends ConsumerWidget {
             ),
             const SizedBox(height: 14),
             _ActionTile(
-              icon: Icons.folder_shared_outlined,
+              icon: AppModuleVisuals.health.icon,
               title: '健康档案',
               subtitle: '维护个人资料、病史、手术和过敏信息',
-              color: const Color(0xFF8B5CF6),
+              visual: AppModuleVisuals.health,
               onTap: () => pushRoute(ref, 'healthArchive'),
             ),
             const SizedBox(height: 14),
@@ -54,9 +56,7 @@ class ProfilePage extends ConsumerWidget {
     final ok = await showDialog<bool>(
       context: context,
       builder: (ctx) => AlertDialog(
-        shape: RoundedRectangleBorder(
-          borderRadius: BorderRadius.circular(AppTheme.rLg),
-        ),
+        shape: RoundedRectangleBorder(borderRadius: AppRadius.lgBorder),
         title: const Text('退出登录'),
         content: const Text('确定退出当前账号？'),
         actions: [
@@ -91,12 +91,12 @@ class _AccountCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) => Container(
-    padding: const EdgeInsets.all(16),
+    padding: AppSpacing.panel,
     decoration: BoxDecoration(
       color: Colors.white,
-      borderRadius: BorderRadius.circular(16),
+      borderRadius: AppRadius.lgBorder,
       border: Border.all(color: AppColors.border, width: 1.1),
-      boxShadow: [AppTheme.shadowLight],
+      boxShadow: AppShadows.soft,
     ),
     child: Row(
       children: [
@@ -110,21 +110,14 @@ class _AccountCard extends StatelessWidget {
                 name,
                 maxLines: 1,
                 overflow: TextOverflow.ellipsis,
-                style: const TextStyle(
-                  fontSize: 20,
-                  fontWeight: FontWeight.w800,
-                  color: AppColors.textPrimary,
-                ),
+                style: AppTextStyles.summaryTitle.copyWith(fontSize: 20),
               ),
               const SizedBox(height: 5),
               Text(
                 phone,
                 maxLines: 1,
                 overflow: TextOverflow.ellipsis,
-                style: const TextStyle(
-                  fontSize: 16,
-                  color: AppColors.textSecondary,
-                ),
+                style: AppTextStyles.listSubtitle,
               ),
             ],
           ),
@@ -144,18 +137,13 @@ class _Avatar extends StatelessWidget {
     width: 58,
     height: 58,
     decoration: BoxDecoration(
-      color: AppColors.iconBg,
-      borderRadius: BorderRadius.circular(18),
-      border: Border.all(color: AppColors.borderLight),
+      gradient: AppModuleVisuals.health.gradient,
+      borderRadius: AppRadius.lgBorder,
     ),
     clipBehavior: Clip.antiAlias,
     child: avatarUrl != null && avatarUrl!.isNotEmpty
         ? Image.network(avatarUrl!, fit: BoxFit.cover)
-        : const Icon(
-            Icons.person_rounded,
-            color: AppColors.blueMeasure,
-            size: 34,
-          ),
+        : const Icon(Icons.person_rounded, color: Colors.white, size: 34),
   );
 }
 
@@ -163,30 +151,30 @@ class _ActionTile extends StatelessWidget {
   final IconData icon;
   final String title;
   final String subtitle;
-  final Color color;
+  final AppModuleVisual visual;
   final VoidCallback onTap;
 
   const _ActionTile({
     required this.icon,
     required this.title,
     required this.subtitle,
-    required this.color,
+    required this.visual,
     required this.onTap,
   });
 
   @override
   Widget build(BuildContext context) => Material(
     color: Colors.white,
-    borderRadius: BorderRadius.circular(16),
+    borderRadius: AppRadius.lgBorder,
     child: InkWell(
       onTap: onTap,
-      borderRadius: BorderRadius.circular(16),
+      borderRadius: AppRadius.lgBorder,
       child: Container(
         padding: const EdgeInsets.all(15),
         decoration: BoxDecoration(
-          borderRadius: BorderRadius.circular(16),
+          borderRadius: AppRadius.lgBorder,
           border: Border.all(color: AppColors.border, width: 1.1),
-          boxShadow: [AppTheme.shadowLight],
+          boxShadow: AppShadows.soft,
         ),
         child: Row(
           children: [
@@ -194,42 +182,28 @@ class _ActionTile extends StatelessWidget {
               width: 46,
               height: 46,
               decoration: BoxDecoration(
-                color: color.withValues(alpha: 0.10),
-                borderRadius: BorderRadius.circular(14),
+                gradient: visual.gradient,
+                borderRadius: AppRadius.mdBorder,
               ),
-              child: Icon(icon, color: color, size: 24),
+              child: Icon(icon, color: Colors.white, size: 24),
             ),
             const SizedBox(width: 13),
             Expanded(
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
-                  Text(
-                    title,
-                    style: const TextStyle(
-                      fontSize: 17,
-                      fontWeight: FontWeight.w800,
-                      color: AppColors.textPrimary,
-                    ),
-                  ),
+                  Text(title, style: AppTextStyles.listTitle),
                   const SizedBox(height: 4),
                   Text(
                     subtitle,
                     maxLines: 1,
                     overflow: TextOverflow.ellipsis,
-                    style: const TextStyle(
-                      fontSize: 14,
-                      color: AppColors.textSecondary,
-                    ),
+                    style: AppTextStyles.listSubtitle,
                   ),
                 ],
               ),
             ),
-            const Icon(
-              Icons.chevron_right_rounded,
-              size: 22,
-              color: AppColors.textHint,
-            ),
+            const Icon(Icons.chevron_right_rounded, color: AppColors.textHint),
           ],
         ),
       ),
@@ -243,16 +217,13 @@ class _LogoutButton extends StatelessWidget {
   const _LogoutButton({required this.onPressed});
 
   @override
-  Widget build(BuildContext context) => OutlinedButton.icon(
+  Widget build(BuildContext context) => TextButton(
     onPressed: onPressed,
-    icon: const Icon(Icons.logout_rounded, size: 19),
-    label: const Text('退出登录'),
-    style: OutlinedButton.styleFrom(
+    style: TextButton.styleFrom(
       foregroundColor: AppColors.error,
-      side: BorderSide(color: AppColors.error.withValues(alpha: 0.34)),
-      minimumSize: const Size.fromHeight(52),
-      textStyle: const TextStyle(fontSize: 16, fontWeight: FontWeight.w800),
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+      padding: const EdgeInsets.symmetric(vertical: 14),
+      textStyle: AppTextStyles.button,
     ),
+    child: const Text('退出登录'),
   );
 }