修改完成

components/AppLoading.vue

@@ -1,5 +1,11 @@
 <template>
-  <view class="app-loading" :class="`app-loading--${variant}`">
+  <view
+    class="app-loading"
+    :class="`app-loading--${variant}`"
+    role="status"
+    aria-live="polite"
+    aria-busy="true"
+  >
     <view class="app-loading__emblem" aria-hidden="true">
       <image
         class="app-loading__seal"
@@ -33,7 +39,6 @@ defineProps({
 
 <style scoped lang="scss">
 .app-loading {
-  position: relative;
   z-index: 1;
   display: flex;
   flex-direction: column;
@@ -144,11 +149,11 @@ defineProps({
 }
 @media (prefers-reduced-motion: reduce) {
   .app-loading__seal {
-    animation: app-loading-seal-essential-pulse 1.2s ease-in-out infinite;
+    animation: none;
     transform: none;
   }
   .app-loading__knot {
-    animation: app-loading-knot-essential-pulse 1.2s ease-in-out 0.2s infinite;
+    animation: none;
     transform: none;
   }
 }