style: standardize tailwind classes and clean unused assets

Standardize Tailwind CSS usage across the codebase: replace legacy shorthand utilities with modern syntax, update color classes to use bracket notation, fix margin/padding units, delete unused CreateServiceOrder SCSS stylesheet and image asset, and resolve minor style inconsistencies.

src/pages/booking/components/UserSection/index.vue

@@ -12,7 +12,7 @@
     <div class=" pl-12 pr-12">
       <div class=" border-bottom pt-[12px] pb-[12px] flex items-center" v-for="(item, index) in userFormList"
         :key="index">
-        <div class="text-[14px] font-medium text-ink-600 mr-12">住客姓名</div>
+        <div class="text-[14px] font-medium text-ink-600 mr-[12px]">住客姓名</div>
         <div class="right">
           <input class=" px-4 py-2 text-[15px] text-black leading-[20px]" v-model.trim="item.visitorName"
             placeholder="请输入姓名" maxlength="11" />
@@ -20,7 +20,7 @@
       </div>
 
       <div class="flex items-center  pt-[12px] pb-[12px]">
-        <div class="text-[14px] font-medium text-ink-600 mr-12">联系手机</div>
+        <div class="text-[14px] font-medium text-ink-600 mr-[12px]">联系手机</div>
         <div class="right">
           <input class=" px-4 py-2 text-[15px] text-black leading-[20px]" v-model.trim="userFormList[0].contactPhone"
             placeholder="请输入联系手机" maxlength="11" />