fix: normalize client billing presentation

src/apps/client/ClientBillingPage.tsx

@@ -34,17 +34,18 @@ export function ClientBillingPage() {
 
   return (
     <section className="page-stack client-billing-page">
-      <div className="page-heading">
-        <div><p className="eyebrow">账户</p><h1>账户余额</h1></div>
+      <div className="sms-send-title">
+        <span className="sms-send-title__icon"><WalletCards size={22} /></span>
+        <h1>账户余额</h1>
       </div>
       <div className="dashboard-grid enterprise-summary-grid">
         <div className="surface mini-status-card">
           <WalletCards size={22} />
-          <div><span>现金余额</span><strong className="client-amount-value"><MoneyText>¥{formatCents(balanceCents)}</MoneyText></strong><small>充值和扣费后的账面余额。</small></div>
+          <div><span>现金余额</span><strong className="client-billing-amount">¥{formatCents(balanceCents)}</strong><small>充值和扣费后的账面余额。</small></div>
         </div>
         <div className="surface mini-status-card">
           <WalletCards size={22} />
-          <div><span>可用发送额度</span><strong className="client-amount-value"><MoneyText>¥{formatCents(balanceCents + creditCents)}</MoneyText></strong><small>大于 0 时可以发送短信。</small></div>
+          <div><span>可用发送额度</span><strong className="client-billing-amount">¥{formatCents(balanceCents + creditCents)}</strong><small>大于 0 时可以发送短信。</small></div>
         </div>
       </div>
       <div className="surface section-stack">