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

src/theme/variables.css

@@ -36,12 +36,12 @@ http://ionicframework.com/docs/theming/ */
   --ion-color-warning-shade: #e0ac08;
   --ion-color-warning-tint: #ffca22;
 
-  --ion-color-danger: #c5000f;
-  --ion-color-danger-rgb: 197, 0, 15;
-  --ion-color-danger-contrast: #ffffff;
-  --ion-color-danger-contrast-rgb: 255, 255, 255;
-  --ion-color-danger-shade: #ad000d;
-  --ion-color-danger-tint: #cb1a27;
+  --ion-color-danger: #ff3344;
+	--ion-color-danger-rgb: 255,51,68;
+	--ion-color-danger-contrast: #000000;
+	--ion-color-danger-contrast-rgb: 0,0,0;
+	--ion-color-danger-shade: #e02d3c;
+	--ion-color-danger-tint: #ff4757;
 
   --ion-color-light: #f6f8fc;
   --ion-color-light-rgb: 246, 248, 252;
@@ -157,12 +157,12 @@ http://ionicframework.com/docs/theming/ */
     --ion-color-warning-shade: #e0ac08;
     --ion-color-warning-tint: #ffca22;
 
-    --ion-color-danger: #c5000f;
-    --ion-color-danger-rgb: 197, 0, 15;
-    --ion-color-danger-contrast: #ffffff;
-    --ion-color-danger-contrast-rgb: 255, 255, 255;
-    --ion-color-danger-shade: #ad000d;
-    --ion-color-danger-tint: #cb1a27;
+    --ion-color-danger: #ff3344;
+    --ion-color-danger-rgb: 255,51,68;
+    --ion-color-danger-contrast: #000000;
+    --ion-color-danger-contrast-rgb: 0,0,0;
+    --ion-color-danger-shade: #e02d3c;
+    --ion-color-danger-tint: #ff4757;
 
     --ion-color-light: #f6f8fc;
     --ion-color-light-rgb: 246, 248, 252;

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>