style(ui): 恢复积分统计颜色，调整充值按钮布局

- 剩余积分恢复绿色，今日消耗恢复红色
- 充值按钮改为小尺寸，放在卡片右侧

tauri-app/src/pages/Profile/Profile.tsx

@@ -209,8 +209,8 @@ export default function Profile() {
         <div style={{ height: 1, background: 'var(--border-light)', margin: '0 28px' }} />
 
         {/* 积分统计卡片 */}
-        <div style={{ padding: '24px 28px' }}>
-          <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: '16px' }}>
+        <div style={{ display: 'flex', alignItems: 'flex-end', gap: '16px', padding: '24px 28px' }}>
+          <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: '16px', flex: 1 }}>
             {/* 剩余积分 */}
             <div
               style={{
@@ -224,7 +224,7 @@ export default function Profile() {
                 剩余积分
               </div>
               <div style={{ display: 'flex', alignItems: 'baseline', gap: '6px' }}>
-                <span style={{ fontSize: '36px', fontWeight: 700, color: 'var(--text-primary)', lineHeight: 1 }}>
+                <span style={{ fontSize: '36px', fontWeight: 700, color: '#36b26a', lineHeight: 1 }}>
                   {balance?.balance ?? 0}
                 </span>
                 <span style={{ fontSize: 'var(--font-sm)', color: 'var(--text-tertiary)' }}>分</span>
@@ -244,7 +244,7 @@ export default function Profile() {
                 今日消耗
               </div>
               <div style={{ display: 'flex', alignItems: 'baseline', gap: '6px' }}>
-                <span style={{ fontSize: '36px', fontWeight: 700, color: 'var(--text-primary)', lineHeight: 1 }}>
+                <span style={{ fontSize: '36px', fontWeight: 700, color: '#ff6b6b', lineHeight: 1 }}>
                   {todayConsumed}
                 </span>
                 <span style={{ fontSize: 'var(--font-sm)', color: 'var(--text-tertiary)' }}>分</span>
@@ -254,8 +254,8 @@ export default function Profile() {
 
           {/* 充值按钮 */}
           <button
-            className="btn btn-primary"
-            style={{ width: '100%', marginTop: '16px', padding: '12px', fontSize: 'var(--font-base)' }}
+            className="btn btn-primary btn-sm"
+            style={{ padding: '10px 24px', fontSize: 'var(--font-sm)', whiteSpace: 'nowrap' }}
             onClick={() => setShowRechargeModal(true)}
           >
             在线充值