diff --git a/app/lib/core/routing/app_router.dart b/app/lib/core/routing/app_router.dart
index b6302d5..4ae6dff 100644
--- a/app/lib/core/routing/app_router.dart
+++ b/app/lib/core/routing/app_router.dart
@@ -1,4 +1,5 @@
-// 暖记路由表 — go_router 20 页面 + 认证守卫
+// 暖记路由表 — go_router + 认证守卫
+// 对齐 Open Design: TabBar = 首页/日历/发现/我的，中心 FAB = 写日记
 //
 // 路由守卫逻辑：
 // - 未认证用户访问受保护路由 → 重定向到 /login
@@ -24,6 +25,8 @@ import '../../features/editor/views/editor_page.dart';
 import '../../features/auth/views/login_page.dart';
 import '../../features/auth/views/role_selection_page.dart';
 import '../../features/auth/views/class_code_join_page.dart';
+import '../../features/onboarding/views/splash_page.dart';
+import '../../features/onboarding/views/onboarding_page.dart';
 import '../../features/class_/views/class_page.dart';
 import '../../features/teacher/views/teacher_page.dart';
 import '../../features/parent/views/parent_page.dart';
@@ -38,7 +41,7 @@ final _rootNavigatorKey = GlobalKey<NavigatorState>();
 final _shellNavigatorKey = GlobalKey<NavigatorState>();
 
 /// 不需要认证的白名单路径
-const _publicPaths = ['/login', '/role-selection', '/class-code'];
+const _publicPaths = ['/splash', '/onboarding', '/login', '/role-selection', '/class-code'];
 
 /// 创建路由配置 — 需要注入 AuthBloc
 GoRouter createAppRouter(AuthBloc authBloc) {
@@ -91,6 +94,18 @@ GoRouter createAppRouter(AuthBloc authBloc) {
     refreshListenable: _AuthListenable(authBloc),
 
     routes: [
+      // 启动页 & 引导页（无 Shell，无需认证）
+      GoRoute(
+        path: '/splash',
+        name: 'splash',
+        builder: (context, state) => const SplashPage(),
+      ),
+      GoRoute(
+        path: '/onboarding',
+        name: 'onboarding',
+        builder: (context, state) => const OnboardingPage(),
+      ),
+
       // 认证路由（无 Shell）
       GoRoute(
         path: '/login',
@@ -108,7 +123,7 @@ GoRouter createAppRouter(AuthBloc authBloc) {
         builder: (context, state) => const ClassCodeJoinPage(),
       ),
 
-      // 主 Shell 路由（底部导航 + 侧边导航）
+      // 主 Shell 路由（底部导航: 首页/日历/发现/我的）
       ShellRoute(
         navigatorKey: _shellNavigatorKey,
         builder: (context, state, child) {
@@ -129,14 +144,10 @@ GoRouter createAppRouter(AuthBloc authBloc) {
             name: 'calendar',
             builder: (context, state) => const CalendarPage(),
           ),
+          // 发现页（复用搜索页，后续可替换为独立 DiscoverPage）
           GoRoute(
-            path: '/mood',
-            name: 'mood',
-            builder: (context, state) => const MoodPage(),
-          ),
-          GoRoute(
-            path: '/search',
-            name: 'search',
+            path: '/discover',
+            name: 'discover',
             builder: (context, state) => const SearchPage(),
           ),
           GoRoute(
@@ -154,9 +165,17 @@ GoRouter createAppRouter(AuthBloc authBloc) {
         parentNavigatorKey: _rootNavigatorKey,
         builder: (context, state) {
           final journalId = state.uri.queryParameters['id'];
-          return EditorPage(journalId: journalId);
+          final templateId = state.uri.queryParameters['template'];
+          return EditorPage(journalId: journalId, templateId: templateId);
         },
       ),
+      // 心情追踪（全屏，从首页心情卡片进入）
+      GoRoute(
+        path: '/mood',
+        name: 'mood',
+        parentNavigatorKey: _rootNavigatorKey,
+        builder: (context, state) => const MoodPage(),
+      ),
       GoRoute(
         path: '/class',
         name: 'class',
@@ -203,13 +222,12 @@ GoRouter createAppRouter(AuthBloc authBloc) {
   );
 }
 
-/// 路径 → Tab index 映射
+/// 路径 → Tab index 映射（4 项: 首页=0, 日历=1, 发现=2, 我的=3）
 int _selectedIndexFromLocation(String location) {
   if (location.startsWith('/calendar')) return 1;
-  if (location.startsWith('/mood')) return 2;
-  if (location.startsWith('/search')) return 3;
-  if (location.startsWith('/profile')) return 4;
-  return 0;
+  if (location.startsWith('/discover')) return 2;
+  if (location.startsWith('/profile')) return 3;
+  return 0; // /home 或未知路径
 }
 
 /// AuthBloc 变化监听器 — 驱动 GoRouter refreshListenable
@@ -230,6 +248,8 @@ class _AuthListenable extends ChangeNotifier {
 }
 
 /// App Shell — 包裹 ResponsiveScaffold
+/// TabBar: 首页(0) / 日历(1) / 发现(2) / 我的(3)
+/// 中心 FAB: 写日记
 class _AppShell extends StatelessWidget {
   const _AppShell({
     required this.selectedIndex,
@@ -250,20 +270,13 @@ class _AppShell extends StatelessWidget {
           case 1:
             context.go('/calendar');
           case 2:
-            context.go('/mood');
+            context.go('/discover');
           case 3:
-            context.go('/search');
-          case 4:
             context.go('/profile');
         }
       },
       body: child,
-      floatingActionButton: selectedIndex == 0
-          ? FloatingActionButton(
-              onPressed: () => context.push('/editor'),
-              child: const Icon(Icons.edit_rounded),
-            )
-          : null,
+      onCenterButtonPressed: () => context.push('/editor'),
     );
   }
 }
diff --git a/app/lib/features/editor/views/editor_page.dart b/app/lib/features/editor/views/editor_page.dart
index 7cdec9c..ac8abba 100644
--- a/app/lib/features/editor/views/editor_page.dart
+++ b/app/lib/features/editor/views/editor_page.dart
@@ -29,8 +29,9 @@ import '../widgets/sticker_picker_sheet.dart';
 /// 手账编辑器页面
 class EditorPage extends StatelessWidget {
   final String? journalId;
+  final String? templateId;
 
-  const EditorPage({super.key, this.journalId});
+  const EditorPage({super.key, this.journalId, this.templateId});
 
   @override
   Widget build(BuildContext context) {
@@ -53,6 +54,7 @@ class EditorPage extends StatelessWidget {
       ),
       child: _EditorView(
         journalId: journalId,
+        templateId: templateId,
         onSaveComplete: () {
           if (context.canPop()) {
             context.pop();
@@ -154,9 +156,10 @@ class EditorPage extends StatelessWidget {
 
 class _EditorView extends StatelessWidget {
   final String? journalId;
+  final String? templateId;
   final VoidCallback onSaveComplete;
 
-  const _EditorView({this.journalId, required this.onSaveComplete});
+  const _EditorView({this.journalId, this.templateId, required this.onSaveComplete});
 
   @override
   Widget build(BuildContext context) {
@@ -227,7 +230,11 @@ class _EditorView extends StatelessWidget {
           // 日记标题
           Expanded(
             child: Text(
-              journalId != null ? '编辑日记' : '新建日记',
+              journalId != null
+                  ? '编辑日记'
+                  : templateId != null
+                      ? '从模板新建'
+                      : '新建日记',
               style: Theme.of(context).textTheme.titleMedium?.copyWith(
                     fontWeight: FontWeight.w600,
                   ),