抢单押金校验计入冻结押金池，提现等其它场景仍只认未冻结余额。

Co-authored-by: Cursor <cursoragent@cursor.com>

dingdan/views.py

@@ -4297,10 +4297,20 @@ class QiangdanView(APIView):
             return {'success': False, 'message': '未开通对应会员，无法抢此订单'}
 
     def _validate_yajin_requirement(self, order, dashou_profile):
-        yajin_required = order.yongjin or 0
-        dashou_yajin = dashou_profile.yajin or 0
-        if dashou_yajin < yajin_required:
-            return {'success': False, 'message': f'押金不足，需要{yajin_required}元，当前有{dashou_yajin}元'}
+        """抢单专用：冻结押金(dongjie_chi_yajin)也算可用，提现等其它场景仍只认未冻结余额。"""
+        from decimal import Decimal
+        yajin_required = Decimal(str(order.yongjin or 0))
+        free_yajin = Decimal(str(dashou_profile.yajin or 0))
+        frozen_yajin = Decimal(str(getattr(dashou_profile, 'dongjie_chi_yajin', 0) or 0))
+        usable_yajin = free_yajin + frozen_yajin
+        if usable_yajin < yajin_required:
+            return {
+                'success': False,
+                'message': (
+                    f'押金不足，需要{yajin_required}元，'
+                    f'当前可用{usable_yajin}元（含冻结{frozen_yajin}元）'
+                ),
+            }
         return {'success': True, 'message': '押金验证通过'}
 
     def _execute_qiangdan(self, order, dashou_profile, dashou_yonghuid):