diff --git a/packages/web_shell_core/lib/core_app.dart b/packages/web_shell_core/lib/core_app.dart
index ad081aa..5fb3f6f 100644
--- a/packages/web_shell_core/lib/core_app.dart
+++ b/packages/web_shell_core/lib/core_app.dart
@@ -4,6 +4,8 @@ library;
 import 'dart:async';
 import 'dart:convert';
 
+import 'package:connectivity_plus/connectivity_plus.dart';
+import 'package:device_info_plus/device_info_plus.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
diff --git a/packages/web_shell_core/lib/src/bridge/bridge_actions.dart b/packages/web_shell_core/lib/src/bridge/bridge_actions.dart
index c6459df..b3f0831 100644
--- a/packages/web_shell_core/lib/src/bridge/bridge_actions.dart
+++ b/packages/web_shell_core/lib/src/bridge/bridge_actions.dart
@@ -1,5 +1,197 @@
 part of '../../core_app.dart';
 
-// 当前无需在 `bridge_actions.dart` 中编写独立代码 ——
-// 桥接动作处理逻辑直接内嵌在 `shell_page.dart` 的 `_handleBridgeMessage` 方法中。
-// 此文件预留给后续将动作处理器拆分出去时使用。
+/// 获取设备信息，包括 Android 版本、设备型号、WebView 版本等。
+Future<Map<String, dynamic>> _getDeviceInfoFromBridge() async {
+  final androidInfo = await DeviceInfoPlugin().androidInfo;
+  return <String, dynamic>{
+    'platform': 'android',
+    'brand': androidInfo.brand,
+    'model': androidInfo.model,
+    'manufacturer': androidInfo.manufacturer,
+    'androidVersion': androidInfo.version.release,
+    'sdkInt': androidInfo.version.sdkInt,
+    'isPhysicalDevice': androidInfo.isPhysicalDevice,
+    'display': androidInfo.display,
+    'product': androidInfo.product,
+    'appName': _env.appName,
+    'appKey': _env.appKey,
+    'shellVersion': _appShellBridgeVersion,
+  };
+}
+
+/// 获取当前网络连接状态及类型。
+Future<Map<String, dynamic>> _getNetworkStatusFromBridge() async {
+  final results = await Connectivity().checkConnectivity();
+  // connectivity_plus 返回 List<ConnectivityResult>
+  final primary =
+      results.isNotEmpty ? results.first : ConnectivityResult.none;
+
+  String type;
+  switch (primary) {
+    case ConnectivityResult.wifi:
+      type = 'wifi';
+    case ConnectivityResult.mobile:
+      type = 'cellular';
+    case ConnectivityResult.ethernet:
+      type = 'ethernet';
+    case ConnectivityResult.bluetooth:
+      type = 'bluetooth';
+    case ConnectivityResult.vpn:
+      type = 'vpn';
+    case ConnectivityResult.none:
+      type = 'none';
+    case ConnectivityResult.other:
+      type = 'unknown';
+  }
+
+  return <String, dynamic>{
+    'connected': primary != ConnectivityResult.none,
+    'type': type,
+  };
+}
+
+/// 显示原生 Toast 提示。
+///
+/// 使用 Overlay 实现，不依赖额外插件。
+void _showToastFromBridge(BuildContext context, Map<String, dynamic> payload) {
+  final message = (payload['message'] ?? '').toString();
+  if (message.isEmpty) return;
+
+  final duration = switch ((payload['duration'] ?? 'short').toString()) {
+    'long' => const Duration(milliseconds: 3500),
+    _ => const Duration(milliseconds: 2000),
+  };
+
+  final overlay = Overlay.of(context);
+  late final OverlayEntry entry;
+
+  entry = OverlayEntry(
+    builder: (context) => _ToastWidget(
+      message: message,
+      duration: duration,
+      onDismiss: () => entry.remove(),
+    ),
+  );
+
+  overlay.insert(entry);
+}
+
+/// 设置系统状态栏样式。
+void _setStatusBarFromBridge(Map<String, dynamic> payload) {
+  final style = (payload['style'] ?? '').toString();
+  final color = payload['color']?.toString();
+
+  Brightness? brightness;
+  if (style == 'light') {
+    brightness = Brightness.light;
+  } else if (style == 'dark') {
+    brightness = Brightness.dark;
+  }
+
+  Color? bgColor;
+  if (color != null && color.isNotEmpty) {
+    final parsed = int.tryParse(
+      color.replaceFirst('#', '0xFF'),
+    );
+    if (parsed != null) bgColor = Color(parsed);
+  }
+
+  SystemChrome.setSystemUIOverlayStyle(
+    SystemUiOverlayStyle(
+      statusBarIconBrightness: brightness,
+      statusBarColor: bgColor ?? Colors.transparent,
+    ),
+  );
+}
+
+// ── Toast 动效组件 ──
+
+class _ToastWidget extends StatefulWidget {
+  const _ToastWidget({
+    required this.message,
+    required this.duration,
+    required this.onDismiss,
+  });
+
+  final String message;
+  final Duration duration;
+  final VoidCallback onDismiss;
+
+  @override
+  State<_ToastWidget> createState() => _ToastWidgetState();
+}
+
+class _ToastWidgetState extends State<_ToastWidget>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _controller;
+  late final Animation<double> _fadeAnimation;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 250),
+    );
+    _fadeAnimation = CurvedAnimation(
+      parent: _controller,
+      curve: Curves.easeInOut,
+    );
+
+    unawaited(_controller.forward());
+
+    unawaited(
+      Future<void>.delayed(widget.duration).then((_) {
+        if (mounted) {
+          unawaited(
+            _controller.reverse().then((_) {
+              if (mounted) widget.onDismiss();
+            }),
+          );
+        }
+      }),
+    );
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Positioned(
+      bottom: 100,
+      left: 0,
+      right: 0,
+      child: Center(
+        child: FadeTransition(
+          opacity: _fadeAnimation,
+          child: Material(
+            color: Colors.transparent,
+            child: Container(
+              constraints: const BoxConstraints(maxWidth: 300),
+              padding: const EdgeInsets.symmetric(
+                horizontal: 20,
+                vertical: 12,
+              ),
+              decoration: BoxDecoration(
+                color: const Color(0xDD333333),
+                borderRadius: BorderRadius.circular(24),
+              ),
+              child: Text(
+                widget.message,
+                textAlign: TextAlign.center,
+                style: const TextStyle(
+                  color: Colors.white,
+                  fontSize: 14,
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/packages/web_shell_core/lib/src/bridge/bridge_protocol.dart b/packages/web_shell_core/lib/src/bridge/bridge_protocol.dart
index 9a098a3..9ed37ae 100644
--- a/packages/web_shell_core/lib/src/bridge/bridge_protocol.dart
+++ b/packages/web_shell_core/lib/src/bridge/bridge_protocol.dart
@@ -93,6 +93,10 @@ String _buildAppShellBridgeScript() {
     reloadPage: () => send('reloadPage'),
     goBack: () => send('goBack'),
     closeApp: () => send('closeApp'),
+    getDeviceInfo: () => send('getDeviceInfo'),
+    getNetworkStatus: () => send('getNetworkStatus'),
+    showToast: (message, options = {}) => send('showToast', { message, ...options }),
+    setStatusBar: (options = {}) => send('setStatusBar', options),
   };
 
   window.dispatchEvent(new CustomEvent('app-shell-ready', {
diff --git a/packages/web_shell_core/lib/src/ui/shell_page.dart b/packages/web_shell_core/lib/src/ui/shell_page.dart
index 1d3625b..a4b08ca 100644
--- a/packages/web_shell_core/lib/src/ui/shell_page.dart
+++ b/packages/web_shell_core/lib/src/ui/shell_page.dart
@@ -644,6 +644,16 @@ class _WebShellPageState extends State<WebShellPage>
           );
           await SystemNavigator.pop();
           return;
+        case 'getDeviceInfo':
+          data = await _getDeviceInfoFromBridge();
+        case 'getNetworkStatus':
+          data = await _getNetworkStatusFromBridge();
+        case 'showToast':
+          _showToastFromBridge(context, payload);
+          data = true;
+        case 'setStatusBar':
+          _setStatusBarFromBridge(payload);
+          data = true;
         default:
           throw UnsupportedError('Unsupported AppShell action: $action');
       }
diff --git a/packages/web_shell_core/pubspec.yaml b/packages/web_shell_core/pubspec.yaml
index 03417c9..bc412a0 100644
--- a/packages/web_shell_core/pubspec.yaml
+++ b/packages/web_shell_core/pubspec.yaml
@@ -8,6 +8,8 @@ environment:
   flutter: '>=3.3.0'
 
 dependencies:
+  connectivity_plus: ^7.0.0
+  device_info_plus: ^12.3.0
   file_picker: ^10.3.10
   flutter:
     sdk: flutter
diff --git a/packages/web_shell_core/test_assets/test_bridge.html b/packages/web_shell_core/test_assets/test_bridge.html
index 1abb74a..cbb60f7 100644
--- a/packages/web_shell_core/test_assets/test_bridge.html
+++ b/packages/web_shell_core/test_assets/test_bridge.html
@@ -322,6 +322,41 @@
   </div>
 </div>
 
+<!-- ══════════ 8.5 Phase 2: 新增能力 ══════════ -->
+<div class="section-title">8.5 设备信息 getDeviceInfo</div>
+<div class="card">
+  <div class="btn-row">
+    <button onclick="testGetDeviceInfo()">📱 获取设备信息</button>
+  </div>
+  <div class="preview-area" id="deviceInfoBridgePreview">点击按钮通过 Bridge 获取完整设备信息</div>
+</div>
+
+<div class="section-title">8.6 网络状态 getNetworkStatus</div>
+<div class="card">
+  <div class="btn-row">
+    <button onclick="testGetNetworkStatus()">📡 获取网络状态</button>
+  </div>
+  <div class="preview-area" id="networkPreview">点击按钮获取当前网络连接类型</div>
+</div>
+
+<div class="section-title">8.7 原生 Toast showToast</div>
+<div class="card">
+  <div class="btn-row">
+    <button onclick="testShowToast('short')">💬 短 Toast</button>
+    <button class="secondary" onclick="testShowToast('long')">💬 长 Toast</button>
+  </div>
+</div>
+
+<div class="section-title">8.8 状态栏控制 setStatusBar</div>
+<div class="card">
+  <div class="btn-row">
+    <button onclick="testSetStatusBar('light')">☀️ 亮色图标</button>
+    <button class="secondary" onclick="testSetStatusBar('dark')">🌙 暗色图标</button>
+    <button class="warn" onclick="testSetStatusBar('accent')">🎨 主题色背景</button>
+    <button onclick="testSetStatusBar('reset')">🔄 重置</button>
+  </div>
+</div>
+
 <!-- ══════════ 9. 旧相机兼容层 ══════════ -->
 <div class="section-title">9. 旧相机兼容层 Legacy Camera</div>
 <div class="card">
@@ -424,7 +459,7 @@ function checkBridge() {
     log('err', 'Bridge', 'window.AppShell 未定义');
     return;
   }
-  const methods = ['pickImage','captureImage','pickFile','openExternal','requestPermissions','reloadPage','goBack','closeApp'];
+  const methods = ['pickImage','captureImage','pickFile','openExternal','requestPermissions','reloadPage','goBack','closeApp','getDeviceInfo','getNetworkStatus','showToast','setStatusBar'];
   const available = methods.filter(m => typeof shell[m] === 'function');
   const missing = methods.filter(m => typeof shell[m] !== 'function');
 
@@ -632,6 +667,73 @@ async function testCloseApp() {
   }
 }
 
+// ═══════════════════════════════════════
+// 8.5–8.8 Phase 2 新增能力
+// ═══════════════════════════════════════
+async function testGetDeviceInfo() {
+  if (!window.AppShell) { log('err', 'DeviceInfo', 'AppShell 不可用'); return; }
+  log('info', 'DeviceInfo', '调用 getDeviceInfo()…');
+  try {
+    const info = await AppShell.getDeviceInfo();
+    let html = '<b>设备信息 (Bridge):</b><br>';
+    const keys = Object.keys(info || {});
+    keys.forEach(k => {
+      html += `<b>${k}:</b> ${info[k]}<br>`;
+    });
+    setPreview('deviceInfoBridgePreview', html);
+    log('ok', 'DeviceInfo', info);
+  } catch (e) {
+    setPreview('deviceInfoBridgePreview', '❌ 错误: ' + e.message);
+    log('err', 'DeviceInfo', e.message);
+  }
+}
+
+async function testGetNetworkStatus() {
+  if (!window.AppShell) { log('err', 'Network', 'AppShell 不可用'); return; }
+  log('info', 'Network', '调用 getNetworkStatus()…');
+  try {
+    const status = await AppShell.getNetworkStatus();
+    const icon = status.connected ? '✅' : '❌';
+    let html = `${icon} <b>连接状态:</b> ${status.connected ? '已连接' : '未连接'}<br>`;
+    html += `<b>网络类型:</b> ${status.type}<br>`;
+    setPreview('networkPreview', html);
+    log('ok', 'Network', status);
+  } catch (e) {
+    setPreview('networkPreview', '❌ 错误: ' + e.message);
+    log('err', 'Network', e.message);
+  }
+}
+
+async function testShowToast(duration) {
+  if (!window.AppShell) { log('err', 'Toast', 'AppShell 不可用'); return; }
+  const msg = duration === 'long' ? '这是一条长时间的原生 Toast 提示 (3.5s)' : '原生 Toast 测试 ✅';
+  log('info', 'Toast', `调用 showToast('${msg}', {duration: '${duration}'})…`);
+  try {
+    await AppShell.showToast(msg, { duration });
+    log('ok', 'Toast', 'showToast 完成');
+  } catch (e) {
+    log('err', 'Toast', e.message);
+  }
+}
+
+async function testSetStatusBar(preset) {
+  if (!window.AppShell) { log('err', 'StatusBar', 'AppShell 不可用'); return; }
+  let options = {};
+  switch (preset) {
+    case 'light': options = { style: 'light' }; break;
+    case 'dark': options = { style: 'dark' }; break;
+    case 'accent': options = { style: 'light', color: '#3ED37B' }; break;
+    case 'reset': options = { style: 'dark', color: '#00000000' }; break;
+  }
+  log('info', 'StatusBar', `调用 setStatusBar(${JSON.stringify(options)})…`);
+  try {
+    await AppShell.setStatusBar(options);
+    log('ok', 'StatusBar', 'setStatusBar 完成, preset=' + preset);
+  } catch (e) {
+    log('err', 'StatusBar', e.message);
+  }
+}
+
 // ═══════════════════════════════════════
 // 9. 旧相机兼容层
 // ═══════════════════════════════════════