feat: 主题颜色的调整，现在支持切换颜色

src/pages-order/order/components/AmtSection/index.vue

@@ -22,7 +22,7 @@
     >
       <view class="color-525866">取消政策及说明</view>
       <view class="flex flex-items-center" @click="emit('click')">
-        <text class="color-2D91FF mr-4">查看详情</text>
+        <text class="theme-color-500 mr-4">查看详情</text>
         <uni-icons type="right" size="12" color="#99A0AE" />
       </view>
     </view>

src/pages-order/order/components/FooterSection/index.vue

@@ -14,7 +14,7 @@
         'right border-none rounded-10 flex flex-full flex-items-center flex-justify-center font-size-14 font-500 color-white',
         {
           'bg-FF3D60': statusCode === '0',
-          'bg-2D91FF': ['1', '2', '3', '4', '5', '6'].includes(statusCode),
+          'theme-color-500': ['1', '2', '3', '4', '5', '6'].includes(statusCode),
         },
       ]"
       @click="handleButtonClick(orderData)"

src/pages-order/order/components/OrderCard/styles/index.scss

@@ -30,7 +30,7 @@
   }
 
   &.tag-4 {
-    color: #2d91ff;
+    color: $theme-color-500;
   }
 
   &.tag-5 {