feat: widen/raise/enlarge peak + stats text and bubble

src/pages/index/index.ux

@@ -285,9 +285,12 @@ export default {
 .step4 { transform: translateY(-10px) scaleY(1.05); }
 
 .peak {
-  font-size: 28px;
+  width: 100%;
+  font-size: 32px;
   font-weight: bold;
-  margin-top: 4px;
+  line-height: 40px;
+  text-align: center;
+  margin-top: 6px;
 }
 
 .peak-green {
@@ -299,23 +302,27 @@ export default {
 }
 
 .stats {
+  width: 100%;
   color: #c4d2ea;
-  font-size: 20px;
+  font-size: 22px;
+  line-height: 28px;
+  text-align: center;
   margin-top: 2px;
 }
 
 /* 气泡：头像正上方居中，稍微放大 */
 .bubble {
-  width: 304px;
+  width: 324px;
   flex-direction: column;
-  padding: 16px 18px;
-  border-radius: 20px;
+  padding: 18px 20px;
+  border-radius: 22px;
   background-color: #ffffff;
 }
 
 .bubble-text {
   color: #1c2c47;
-  font-size: 15px;
+  font-size: 18px;
+  line-height: 26px;
   text-align: center;
 }