refactor: 重构多个页面布局与样式，修复溢出问题

调整了勘测任务页、项目页的顶部栏样式，优化了底部导航栏的底部间距
重构客户卡片布局，使用 IntrinsicHeight 避免高度溢出，添加 FittedBox 防止文本溢出
统一了部分代码的换行格式，提升代码可读性

lib/features/project/presentation/project_tab.dart

@@ -131,11 +131,9 @@ class _ProjectTabState extends ConsumerState<ProjectTab> {
     });
 
     return XPageShell(
-      topBar: XTopBar.brand(
-        title: '鑫潼智电',
-        trailingColor: AppColors.primary,
-      ),
+      topBar: XTopBar.brand(title: '鑫潼智电', trailingColor: AppColors.primary),
       child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
         children: [
           _buildPageHead(),
           _buildSearchBar(),
@@ -297,7 +295,11 @@ class _ProjectTabState extends ConsumerState<ProjectTab> {
                         ),
                       ),
                       const SizedBox(width: 12),
-                      const XIcon('clock', size: 15, color: AppColors.textMuted),
+                      const XIcon(
+                        'clock',
+                        size: 15,
+                        color: AppColors.textMuted,
+                      ),
                       const SizedBox(width: 4),
                       Text(
                         formatDate(p.registerTime),
@@ -327,4 +329,4 @@ class _ProjectTabState extends ConsumerState<ProjectTab> {
       ),
     );
   }
-}
+}