diff --git a/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_merge_detail_page.dart b/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_merge_detail_page.dart
new file mode 100644
index 00000000..772c14e4
--- /dev/null
+++ b/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_merge_detail_page.dart
@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+
+/// [2026-02-17] 预种合并详情页面（占位 - 待完整实现）
+///
+/// 功能：显示合并记录详情、合同签署状态、挖矿状态、来源订单列表
+class PrePlantingMergeDetailPage extends StatelessWidget {
+  final String mergeNo;
+
+  const PrePlantingMergeDetailPage({super.key, required this.mergeNo});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('合并详情')),
+      body: Center(child: Text('合并详情页 - $mergeNo - 开发中')),
+    );
+  }
+}
diff --git a/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_position_page.dart b/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_position_page.dart
new file mode 100644
index 00000000..037dd47c
--- /dev/null
+++ b/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_position_page.dart
@@ -0,0 +1,16 @@
+import 'package:flutter/material.dart';
+
+/// [2026-02-17] 预种持仓页面（占位 - 待完整实现）
+///
+/// 功能：显示累计份数、合并进度条（N/5）、已合成树数、订单列表
+class PrePlantingPositionPage extends StatelessWidget {
+  const PrePlantingPositionPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('预种持仓')),
+      body: const Center(child: Text('预种持仓页 - 开发中')),
+    );
+  }
+}
diff --git a/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_purchase_page.dart b/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_purchase_page.dart
new file mode 100644
index 00000000..2eb016ed
--- /dev/null
+++ b/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_purchase_page.dart
@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+
+/// [2026-02-17] 预种计划购买页面（占位 - 待完整实现）
+///
+/// 功能：选择购买份数（通常 1 份）、显示余额、确认支付 3171 USDT
+/// 首次购买需选择省市，续购自动复用。
+class PrePlantingPurchasePage extends StatelessWidget {
+  const PrePlantingPurchasePage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('预种计划')),
+      body: const Center(child: Text('预种购买页 - 开发中')),
+    );
+  }
+}
diff --git a/frontend/mobile-app/lib/routes/app_router.dart b/frontend/mobile-app/lib/routes/app_router.dart
index 794217a1..d3db4281 100644
--- a/frontend/mobile-app/lib/routes/app_router.dart
+++ b/frontend/mobile-app/lib/routes/app_router.dart
@@ -44,6 +44,10 @@ import '../features/kyc/presentation/pages/change_phone_page.dart';
 import '../features/contract_signing/presentation/pages/contract_signing_page.dart';
 import '../features/contract_signing/presentation/pages/pending_contracts_page.dart';
 import '../features/pending_actions/presentation/pages/pending_actions_page.dart';
+// [2026-02-17] 新增：预种计划页面（3171 USDT/份，累计 5 份合成 1 棵树）
+import '../features/pre_planting/presentation/pages/pre_planting_purchase_page.dart';
+import '../features/pre_planting/presentation/pages/pre_planting_position_page.dart';
+import '../features/pre_planting/presentation/pages/pre_planting_merge_detail_page.dart';
 import 'route_paths.dart';
 import 'route_names.dart';
 
@@ -434,6 +438,30 @@ final appRouterProvider = Provider<GoRouter>((ref) {
         builder: (context, state) => const ChangePhonePage(),
       ),
 
+      // [2026-02-17] Pre-Planting Purchase Page (预种计划 - 购买页)
+      GoRoute(
+        path: RoutePaths.prePlantingPurchase,
+        name: RouteNames.prePlantingPurchase,
+        builder: (context, state) => const PrePlantingPurchasePage(),
+      ),
+
+      // [2026-02-17] Pre-Planting Position Page (预种计划 - 持仓页)
+      GoRoute(
+        path: RoutePaths.prePlantingPosition,
+        name: RouteNames.prePlantingPosition,
+        builder: (context, state) => const PrePlantingPositionPage(),
+      ),
+
+      // [2026-02-17] Pre-Planting Merge Detail Page (预种计划 - 合并详情)
+      GoRoute(
+        path: '${RoutePaths.prePlantingMergeDetail}/:mergeNo',
+        name: RouteNames.prePlantingMergeDetail,
+        builder: (context, state) {
+          final mergeNo = state.pathParameters['mergeNo'] ?? '';
+          return PrePlantingMergeDetailPage(mergeNo: mergeNo);
+        },
+      ),
+
       // Pending Contracts Page (待签署合同列表)
       // 注意：必须放在 contractSigning/:orderNo 前面，否则 "pending" 会被当成 orderNo
       GoRoute(
diff --git a/frontend/mobile-app/lib/routes/route_names.dart b/frontend/mobile-app/lib/routes/route_names.dart
index 0e740c12..ad988dd6 100644
--- a/frontend/mobile-app/lib/routes/route_names.dart
+++ b/frontend/mobile-app/lib/routes/route_names.dart
@@ -55,6 +55,11 @@ class RouteNames {
   static const kycIdCard = 'kyc-id-card';  // 层级3: KYC (证件照)
   static const changePhone = 'change-phone';
 
+  // [2026-02-17] Pre-Planting (预种计划)
+  static const prePlantingPurchase = 'pre-planting-purchase';   // 购买页
+  static const prePlantingPosition = 'pre-planting-position';   // 持仓页
+  static const prePlantingMergeDetail = 'pre-planting-merge';   // 合并详情页
+
   // Contract Signing (合同签署)
   static const contractSigning = 'contract-signing';
   static const pendingContracts = 'pending-contracts';
diff --git a/frontend/mobile-app/lib/routes/route_paths.dart b/frontend/mobile-app/lib/routes/route_paths.dart
index 3b04b6ad..729fc5cf 100644
--- a/frontend/mobile-app/lib/routes/route_paths.dart
+++ b/frontend/mobile-app/lib/routes/route_paths.dart
@@ -55,6 +55,11 @@ class RoutePaths {
   static const kycIdCard = '/kyc/id-card';  // 层级3: KYC (证件照)
   static const changePhone = '/kyc/change-phone';
 
+  // [2026-02-17] Pre-Planting (预种计划)
+  static const prePlantingPurchase = '/pre-planting/purchase';       // 购买页
+  static const prePlantingPosition = '/pre-planting/position';       // 持仓页
+  static const prePlantingMergeDetail = '/pre-planting/merge';       // 合并详情页
+
   // Contract Signing (合同签署)
   static const contractSigning = '/contract-signing';
   static const pendingContracts = '/contract-signing/pending';