feat(profile): refine student creation workflow

pages/defaults/index.wxss

@@ -4,23 +4,36 @@
 
 .top-row {
   display: flex;
-  align-items: flex-end;
+  align-items: center;
   justify-content: space-between;
   gap: 18rpx;
 }
 
+.top-row > view {
+  flex: 1;
+  min-width: 0;
+}
+
 .top-row .page-heading {
-  max-width: 480rpx;
+  max-width: none;
+  flex-wrap: nowrap;
+  white-space: nowrap;
 }
 
 .top-row .page-title {
-  font-size: 46rpx;
+  flex: none;
+  font-size: 44rpx;
+  white-space: nowrap;
 }
 
 .reload-button {
   flex: none;
+  width: 148rpx;
   min-width: 148rpx;
+  max-width: 148rpx;
   min-height: 70rpx;
+  margin: 0;
+  padding: 0;
   font-size: 26rpx;
 }