chore(favicon): 使用预发布环境的图标

src/app/feedback/feedback-screen.module.css

@@ -63,7 +63,7 @@
   padding-top: 2px;
 }
 
-.eyebrow {
+.successEyebrow {
   margin: 0 0 6px;
   color: #d74382;
   font-size: 11px;

src/app/feedback/feedback-screen.tsx

@@ -57,7 +57,7 @@ export function FeedbackScreen() {
             <span className={styles.successIcon} aria-hidden="true">
               <CheckCircle2 size={36} strokeWidth={1.9} />
             </span>
-            <p className={styles.eyebrow}>Feedback received</p>
+            <p className={styles.successEyebrow}>Feedback received</p>
             <h1 className={styles.successTitle}>Thank you for helping us.</h1>
             <p className={styles.successCopy}>
               Your report is safely on its way to the CozSweet team.
@@ -99,7 +99,6 @@ export function FeedbackScreen() {
             analyticsKey="feedback.back_to_chat"
           />
           <div className={styles.headingBlock}>
-            <p className={styles.eyebrow}>Support</p>
             <h1 className={styles.title}>Help us improve CozSweet</h1>
             <p className={styles.subtitle}>
               Tell us what happened. Screenshots help us understand it faster.