fix(layout): apply fixed positioning to all pages

Author: hsinyu2527

src/components/BoothsList.vue

@@ -76,6 +76,11 @@ function markedIntro(intro: string) {
   align-items: center;
   overflow: hidden;
   background-color: #FBFAF2;
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 0;
 }
 
 .booths-list {

src/components/MyProfile.vue

@@ -92,6 +92,11 @@ onUnmounted(() => {
   align-items: center;
   padding: 35px 20px 20px 20px;
   box-sizing: border-box;
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 0;
 }
 
 .avatar-section {

src/components/PhaserGame.vue

@@ -309,7 +309,7 @@ watch([showPopup, popupData], async ([isOpen, data]) => {
 
 <style scoped>
 #game-container {
-  position: absolute;
+  position: fixed;
   top: 0;
   left: 0;
   right: 0;