feat: 主题颜色的调整，现在支持切换颜色

src/pages-booking/index.vue

@@ -2,7 +2,7 @@
   <view class="booking h-screen flex flex-col">
     <TopNavBar
       titleAlign="center"
-      backgroundColor="#D9EEFF"
+      :backgroundColor="$theme-color-100"
       backIconColor="#000"
       :shadow="false"
     >
@@ -53,7 +53,7 @@
           >
           <view class="flex flex-items-center">
             <text
-              class="font-size-12 color-2D91FF line-height-16"
+              class="font-size-12 theme-color-500 line-height-16"
               @click="refundVisible = true"
               >取消政策</text
             >

src/pages-booking/styles/index.scss

@@ -1,4 +1,4 @@
 .booking {
-  background: linear-gradient(180deg, #d9eeff 0%, #f5f7fa 100%) 0 86px / 100%
+  background: linear-gradient(180deg, $theme-color-100 0%, #f5f7fa 100%) 0 86px / 100%
     100px no-repeat;
 }