feat: 更新 API 地址，添加 IonFooter 组件及其样式，优化交易视图布局

src/views/trade-rwa/index.vue

@@ -86,6 +86,19 @@ const { data } = safeClient(client.api.rwa.subscription.available_editions({ edi
         </div>
       </div>
     </ion-content>
+
+    <ion-footer>
+      <ion-toolbar class="ion-padding-horizontal ui-toolbar">
+        <div class="flex justify-center my-2 gap-5">
+          <ion-button shape="round" expand="block" color="success">
+            申购
+          </ion-button>
+          <ion-button shape="round" expand="block" color="danger">
+            赎回
+          </ion-button>
+        </div>
+      </ion-toolbar>
+    </ion-footer>
   </ion-page>
 </template>
 
@@ -95,4 +108,13 @@ const { data } = safeClient(client.api.rwa.subscription.available_editions({ edi
 .label {
   @apply text-gray-500 mb-1;
 }
+
+ion-button {
+  width: 100%;
+  min-height: 40px;
+}
+
+ion-button::part(native) {
+  min-height: 40px;
+}
 </style>