diff --git a/lib/client_proxy_framework.dart b/lib/client_proxy_framework.dart
index 4909ad7..9a1f8d5 100644
--- a/lib/client_proxy_framework.dart
+++ b/lib/client_proxy_framework.dart
@@ -29,6 +29,7 @@ export 'src/log/sdk_reminder_log.dart';
 export 'src/media/video_thumbnail_cache.dart';
 export 'src/services/adjust_service.dart';
 export 'src/services/analytics_attribution_callbacks.dart';
+export 'src/services/analytics_events.dart';
 export 'src/services/analytics_service.dart';
 export 'src/services/auth_service.dart';
 export 'src/services/facebook_service.dart';
diff --git a/lib/src/config/ext_config_key_schema.dart b/lib/src/config/ext_config_key_schema.dart
index 31806b6..4790b71 100644
--- a/lib/src/config/ext_config_key_schema.dart
+++ b/lib/src/config/ext_config_key_schema.dart
@@ -16,7 +16,7 @@ import 'dart:convert';
 class ExtConfigKeySchema {
   const ExtConfigKeySchema({
     required this.showVideoMenuKeys,
-    required this.allowScreenshotKeys,
+    required this.forbidScreenshotKeys,
     required this.blockScreenshotKeys,
     required this.allowThirdPartyPaymentKeys,
     required this.privacyUrlKeys,
@@ -44,10 +44,11 @@ class ExtConfigKeySchema {
   /// 是否展示顶部 Video/分类 Tab，并把 items 固定为最后一格 Tab。
   final List<String> showVideoMenuKeys;
 
-  /// 为 `true` 时表示**允许**截屏（直接读取这些键的布尔值）。
-  final List<String> allowScreenshotKeys;
+  /// 线网布尔为 `true` 时表示**禁止**截屏的键（默认 `screen`）。
+  /// 与 [blockScreenshotKeys] 二选一：[forbidScreenshotKeys] 优先（首个存在的键即生效）。
+  final List<String> forbidScreenshotKeys;
 
-  /// 为 `true` 时表示**禁止**截屏（与 [allowScreenshotKeys] 互斥推导：本键为 true ⇒ 不允许截屏）。
+  /// 备选用键：`true` 同样表示禁止截屏（默认 `safe_area`），仅当 [forbidScreenshotKeys] 未命中任何键时使用。
   final List<String> blockScreenshotKeys;
 
   /// 是否允许第三方支付。
@@ -125,7 +126,7 @@ class ExtConfigKeySchema {
   factory ExtConfigKeySchema.defaults() {
     return const ExtConfigKeySchema(
       showVideoMenuKeys: ['go_run', 'need_wait'],
-      allowScreenshotKeys: ['screen'],
+      forbidScreenshotKeys: ['screen'],
       blockScreenshotKeys: ['safe_area'],
       allowThirdPartyPaymentKeys: ['san_fang', 'lucky'],
       privacyUrlKeys: ['privacy'],
@@ -178,10 +179,26 @@ class ExtConfigKeySchema {
       return rootList(itemKeys, k, fallback);
     }
 
+    /// `skin_config.extConfig.keys`：优先 [primary]，为空则回退 [legacy]（兼容旧键名），再不行用 [fallback]。
+    List<String> mergedRootList(
+      String primary,
+      String legacy,
+      List<String> fallback,
+    ) {
+      final p = rootList(keyMap, primary, const <String>[]);
+      if (p.isNotEmpty) return p;
+      final l = rootList(keyMap, legacy, const <String>[]);
+      if (l.isNotEmpty) return l;
+      return fallback;
+    }
+
     return ExtConfigKeySchema(
       showVideoMenuKeys: rootList(keyMap, 'showVideoMenu', d.showVideoMenuKeys),
-      allowScreenshotKeys:
-          rootList(keyMap, 'allowScreenshot', d.allowScreenshotKeys),
+      forbidScreenshotKeys: mergedRootList(
+        'forbidScreenshot',
+        'allowScreenshot',
+        d.forbidScreenshotKeys,
+      ),
       blockScreenshotKeys:
           rootList(keyMap, 'blockScreenshot', d.blockScreenshotKeys),
       allowThirdPartyPaymentKeys: rootList(
diff --git a/lib/src/config/ext_config_models.dart b/lib/src/config/ext_config_models.dart
index a31536b..082a0d2 100644
--- a/lib/src/config/ext_config_models.dart
+++ b/lib/src/config/ext_config_models.dart
@@ -14,7 +14,7 @@ import 'field_mapping.dart';
 class ExtConfigData {
   const ExtConfigData({
     this.showVideoMenu,
-    this.allowScreenshot,
+    this.forbidScreenshot,
     this.allowThirdPartyPayment,
     this.privacyUrl,
     this.agreementUrl,
@@ -22,18 +22,16 @@ class ExtConfigData {
   });
 
   final bool? showVideoMenu;
-  final bool? allowScreenshot;
+
+  /// 是否**禁止**截屏（逻辑值）。
+  ///
+  /// 线网键（如 `screen`、`safe_area`）为 `true` 时本字段为 `true`；未命中相关键时为 `null`。
+  final bool? forbidScreenshot;
   final bool? allowThirdPartyPayment;
   final String? privacyUrl;
   final String? agreementUrl;
   final List<ExtConfigItem> items;
 
-  bool? get shouldPreventCapture {
-    final a = allowScreenshot;
-    if (a == null) return null;
-    return !a;
-  }
-
   static ExtConfigData empty() => const ExtConfigData();
 
   static ExtConfigData parse(
@@ -68,13 +66,14 @@ class ExtConfigData {
   }) {
     final showVideo = _readBoolFromKeys(map, schema.showVideoMenuKeys);
 
-    bool? allowShot;
-    allowShot = _readBoolFromKeys(map, schema.allowScreenshotKeys);
-    if (allowShot == null && schema.blockScreenshotKeys.isNotEmpty) {
+    bool? forbidScreenshot;
+    final fromPrimary = _readBoolFromKeys(map, schema.forbidScreenshotKeys);
+    if (fromPrimary != null) {
+      forbidScreenshot = fromPrimary;
+    } else if (schema.blockScreenshotKeys.isNotEmpty) {
       for (final k in schema.blockScreenshotKeys) {
         if (!map.containsKey(k)) continue;
-        final block = _readBool(map, k) == true;
-        allowShot = !block;
+        forbidScreenshot = _readBool(map, k) == true;
         break;
       }
     }
@@ -131,7 +130,7 @@ class ExtConfigData {
 
     return ExtConfigData(
       showVideoMenu: showVideo,
-      allowScreenshot: allowShot,
+      forbidScreenshot: forbidScreenshot,
       allowThirdPartyPayment: third,
       privacyUrl: privacy,
       agreementUrl: agreement,
diff --git a/lib/src/config/skin_config.example.json b/lib/src/config/skin_config.example.json
index 4f50bca..f5a6c25 100644
--- a/lib/src/config/skin_config.example.json
+++ b/lib/src/config/skin_config.example.json
@@ -61,7 +61,7 @@
   "extConfig": {
     "keys": {
       "showVideoMenu": ["go_run", "need_wait"],
-      "allowScreenshot": ["screen"],
+      "forbidScreenshot": ["screen"],
       "blockScreenshot": ["safe_area"],
       "allowThirdPartyPayment": ["san_fang", "lucky"],
       "privacyUrl": ["privacy"],
diff --git a/lib/src/services/analytics_events.dart b/lib/src/services/analytics_events.dart
new file mode 100644
index 0000000..089109e
--- /dev/null
+++ b/lib/src/services/analytics_events.dart
@@ -0,0 +1,135 @@
+import 'dart:async';
+
+import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../bootstrap/client_bootstrap.dart';
+import '../config/skin_config.dart';
+import '../entities/payment_entities.dart';
+import 'analytics_service.dart';
+import 'facebook_service.dart';
+import 'payment_flow/payment_flow_models.dart';
+
+/// 宿主侧业务埋点（Adjust token 来自 `skin_config.json` 的 `adjustEvents` + Facebook App Events）。
+///
+/// 须在 [ClientBootstrap.initFromAsset] / [ClientBootstrap.initFromJson] 与 [ClientBootstrap.initAnalytics] 之后调用。
+/// 行为对齐常见 app 线（如 app_client [AdjustEvents]）：档位价、首日充值标记、支付成功/失败。
+abstract final class AnalyticsEvents {
+  AnalyticsEvents._();
+
+  static const _prefsRegisterDayKey =
+      'client_proxy_framework_skin_analytics_register_day';
+
+  /// 历史宿主键（FunyMee 曾用），仅用于读取兼容。
+  static const _prefsLegacyRegisterDayKey = 'funymee_analytics_register_date';
+
+  static SkinConfig get _skin => ClientBootstrap.skin;
+
+  /// 从金额文案解析数字（如 `"¥19.99"` / `"\$9.99"`）。
+  static num? parsePrice(String? amount) {
+    if (amount == null || amount.trim().isEmpty) return null;
+    final m = RegExp(r'[\d.]+').firstMatch(amount);
+    if (m == null) return null;
+    return num.tryParse(m.group(0)!);
+  }
+
+  static String? _tierLogicalNameForPrice(num price) {
+    final s = price.toStringAsFixed(2);
+    switch (s) {
+      case '5.99':
+        return 'price_599';
+      case '9.99':
+        return 'price_999';
+      case '19.99':
+        return 'price_1999';
+      case '49.99':
+        return 'price_4999';
+      case '99.99':
+        return 'price_9999';
+      default:
+        return null;
+    }
+  }
+
+  /// 用户点击某档位发起支付前（按价格匹配 `adjustEvents.price_*`，否则 `purchase`）。
+  static void trackTierSelection(PaymentProductItem item) {
+    final p = parsePrice(item.actualAmount);
+    if (p == null) return;
+    final name = _tierLogicalNameForPrice(p);
+    if (name != null) {
+      _skin.trackAdjustEvent(name);
+    } else {
+      _skin.trackAdjustEvent('purchase');
+    }
+  }
+
+  /// [FastLoginResponse.firstRegister] 为 true 时调用。
+  static Future<void> trackRegisterIfNeeded({required bool firstRegister}) async {
+    if (!firstRegister) return;
+    _skin.trackAdjustEvent('register');
+    AnalyticsService.trackRegister();
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(
+      _prefsRegisterDayKey,
+      DateTime.now().toIso8601String().substring(0, 10),
+    );
+    if (kDebugMode) {
+      debugPrint('[AnalyticsEvents] register + first-day marker set');
+    }
+  }
+
+  /// 支付成功：Adjust `purchase`；若注册当日则 `firstPurchase`；Facebook [AnalyticsService.trackPurchase]。
+  static Future<void> trackPurchaseSuccess(double amount) async {
+    _skin.trackAdjustEvent('purchase');
+    final prefs = await SharedPreferences.getInstance();
+    final regDate = prefs.getString(_prefsRegisterDayKey) ??
+        prefs.getString(_prefsLegacyRegisterDayKey);
+    final today = DateTime.now().toIso8601String().substring(0, 10);
+    if (regDate != null && regDate == today) {
+      _skin.trackAdjustEvent('firstPurchase');
+    }
+    if (amount > 0) {
+      AnalyticsService.trackPurchase(amount: amount, currency: 'USD');
+    }
+  }
+
+  /// 使用 [PaymentProductItem.actualAmount] 解析金额后 [trackPurchaseSuccess]。
+  static Future<void> trackPurchaseSuccessForProduct(
+      PaymentProductItem? item) async {
+    final raw = parsePrice(item?.actualAmount);
+    final amount = raw?.toDouble() ?? 0.0;
+    await trackPurchaseSuccess(amount);
+  }
+
+  /// 支付失败 / 下单失败（Adjust `paymentFailed` + FB `payment_failed`）。
+  static void trackPaymentFailed() {
+    _skin.trackAdjustEvent('paymentFailed');
+    FacebookService.logEvent('payment_failed');
+  }
+
+  /// 根据支付编排结果 [PaymentSettlement] 自动埋点（成功 → [trackPurchaseSuccessForProduct]；失败 → [trackPaymentFailed]）。
+  ///
+  /// 取消、超时、[PaymentFlowOutcomeType.nativePendingHostVerification] 不打点。
+  static void trackPaymentSettlement(
+    PaymentSettlement settlement, {
+    PaymentProductItem? product,
+  }) {
+    switch (settlement.type) {
+      case PaymentFlowOutcomeType.success:
+        unawaited(trackPurchaseSuccessForProduct(product));
+        break;
+      case PaymentFlowOutcomeType.failure:
+        trackPaymentFailed();
+        break;
+      case PaymentFlowOutcomeType.cancelled:
+      case PaymentFlowOutcomeType.timeout:
+      case PaymentFlowOutcomeType.nativePendingHostVerification:
+        break;
+    }
+  }
+
+  /// Facebook 自定义事件。
+  static void trackCustomEvent(String name, {Map<String, dynamic>? parameters}) {
+    FacebookService.logEvent(name, parameters: parameters);
+  }
+}
diff --git a/lib/src/services/facebook_service.dart b/lib/src/services/facebook_service.dart
index ad18559..6907698 100644
--- a/lib/src/services/facebook_service.dart
+++ b/lib/src/services/facebook_service.dart
@@ -94,4 +94,13 @@ class FacebookService {
       SdkReminderLog.facebook('logEvent 失败: $e');
     }
   }
+
+  /// 手动上报应用激活（当 `AndroidManifest` / `Info.plist` 关闭自动 App Events 时常用）。
+  static void activateApp() {
+    try {
+      _fb.activateApp();
+    } catch (e) {
+      SdkReminderLog.facebook('activateApp 失败: $e');
+    }
+  }
 }
diff --git a/lib/src/services/payment_flow/analytics_payment_sink.dart b/lib/src/services/payment_flow/analytics_payment_sink.dart
new file mode 100644
index 0000000..9ad491e
--- /dev/null
+++ b/lib/src/services/payment_flow/analytics_payment_sink.dart
@@ -0,0 +1,26 @@
+import '../../entities/payment_entities.dart';
+import '../analytics_events.dart';
+import 'payment_flow_models.dart';
+import 'payment_settlement_sink.dart';
+
+/// 在 [inner] 收到结果前写入 Adjust / Facebook 支付相关埋点（见 [AnalyticsEvents.trackPaymentSettlement]）。
+///
+/// 宿主只实现 UI / 刷新逻辑的 [PaymentSettlementSink]，用本类包一层即可。
+final class PaymentSettlementSinkWithAnalytics implements PaymentSettlementSink {
+  PaymentSettlementSinkWithAnalytics({
+    required this.inner,
+    this.analyticsProduct,
+  });
+
+  final PaymentSettlementSink inner;
+  final PaymentProductItem? analyticsProduct;
+
+  @override
+  void onPaymentSettled(PaymentSettlement settlement) {
+    AnalyticsEvents.trackPaymentSettlement(
+      settlement,
+      product: analyticsProduct,
+    );
+    inner.onPaymentSettled(settlement);
+  }
+}
diff --git a/lib/src/services/payment_flow/payment_flow.dart b/lib/src/services/payment_flow/payment_flow.dart
index 10c6fd7..762e79f 100644
--- a/lib/src/services/payment_flow/payment_flow.dart
+++ b/lib/src/services/payment_flow/payment_flow.dart
@@ -1,6 +1,7 @@
 /// 支付编排（宿主策略 + 框架编排）：档位列表、三方建单/轮询、Google Play 内购收口。
 library payment_flow;
 
+export 'analytics_payment_sink.dart';
 export 'payment_checkout_launcher.dart';
 export 'payment_flow_catalog.dart';
 export 'payment_flow_models.dart';