style(user-center): 卡密兑换弹窗按钮右对齐

assets/css/routes/user-center/credits.css

@@ -880,6 +880,12 @@ body.uc-modal-open {
 }
 .uc-card-pass__btn:hover { background: #1d4ed8; }
 .uc-card-pass__btn:disabled { opacity: .6; cursor: not-allowed; }
+/* Modal redeem action sits on the right */
+.uc-card-pass-actions {
+  display: flex;
+  justify-content: flex-end;
+  margin-top: 2px;
+}
 .uc-card-pass__tip {
   margin: 8px 0 0;
   font-size: 12px;

inc/helpers/user-center-renderers/credits-wallet.php

@@ -122,9 +122,11 @@ $mark = (string) ($charge_view['currency_mark'] ?? '元');
 			<input type="text" class="uc-card-pass__input" name="aksrt_card_no" data-aksrt-card-no autocomplete="off" placeholder="<?php esc_attr_e('请输入卡号', 'aksrt'); ?>">
 		<?php endif; ?>
 		<input type="text" class="uc-card-pass__input" name="aksrt_card_password" data-aksrt-card-password autocomplete="off" placeholder="<?php esc_attr_e('请输入卡密', 'aksrt'); ?>">
-		<button type="button" class="uc-card-pass__btn" data-aksrt-card-redeem data-type="balance">
-			<?php esc_html_e('兑换余额', 'aksrt'); ?>
-		</button>
+		<div class="uc-card-pass-actions">
+			<button type="button" class="uc-card-pass__btn" data-aksrt-card-redeem data-type="balance">
+				<?php esc_html_e('兑换余额', 'aksrt'); ?>
+			</button>
+		</div>
 		<p class="uc-card-pass__tip" data-aksrt-card-tip></p>
 	</div>
 </div>