feat: 新增账户卡片组件及核心类型定义。

src/components/account/AccountCard/AccountCard.tsx

@@ -136,9 +136,15 @@ export const AccountCard: React.FC<AccountCardProps> = ({
           <span
             className={`account-card__balance ${isNegative ? 'account-card__balance--negative' : ''}`}
           >
-            {formatCurrency(account.balance, account.currency).replace(/[^0-9.,-]/g, '')}
+            {formatCurrency((account.balance + (account.frozen_balance || 0)), account.currency).replace(/[^0-9.,-]/g, '')}
           </span>
         </div>
+        {(account.frozen_balance || 0) > 0 && (
+          <div className="text-xs text-slate-500 mt-1 flex gap-2">
+            <span>可用: {formatCurrency(account.balance, account.currency)}</span>
+            <span>冻结: {formatCurrency(account.frozen_balance || 0, account.currency)}</span>
+          </div>
+        )}
 
         <div className="account-card__info">
           <h3 className="account-card__name" title={account.name}>{account.name}</h3>

src/types/index.ts

@@ -141,6 +141,7 @@ export interface Account {
   name: string;
   type: AccountType;
   balance: number;
+  frozen_balance?: number;
   currency: CurrencyCode;
   icon: string;
   isCredit: boolean;