style(admin): remove redundant introductions and collapse contextual guidance

src/modules/inbounds/fee/InboundFeePanel.vue

@@ -384,10 +384,10 @@ defineExpose({ reload: loadFee })
         <span class="fee-heading-icon" aria-hidden="true"><CircleDollarSign :size="20" /></span>
         <div>
           <h3 id="inbound-fee-title">入库费用快照</h3>
-          <p>测量审核后的头程费用，人工确认后才发布。</p>
         </div>
       </div>
       <div class="fee-heading-actions">
+        <el-popover title="计费说明" trigger="click" placement="bottom-end" :width="340"><template #reference><el-button link aria-label="查看计费说明">计费说明</el-button></template><p>测量审核完成后，系统会自动生成初算费用；人工确认后才发布。</p><p>实际重量与体积重量取大后计费，金额以服务端快照为准。</p></el-popover>
         <el-tooltip content="刷新费用快照" placement="top">
           <el-button
             class="fee-refresh-button"
@@ -470,7 +470,6 @@ defineExpose({ reload: loadFee })
     </el-alert>
 
     <el-empty v-else-if="notFound" :image-size="64" description="尚未生成费用快照">
-      <p class="empty-note">测量审核完成后，系统会自动生成初算费用；人工确认后才发布。</p>
     </el-empty>
 
     <div v-else-if="snapshot" class="fee-content">
@@ -504,7 +503,7 @@ defineExpose({ reload: loadFee })
 
       <section class="calculation-section" aria-labelledby="calculation-title">
         <div class="section-title">
-          <div><h4 id="calculation-title">计费依据</h4><p v-if="!compact">实际重量与体积重量取大后计费，金额以服务端快照为准。</p></div>
+          <div><h4 id="calculation-title">计费依据</h4></div>
           <div class="calculation-tags">
             <el-tag effect="plain">订单报关：{{ taxModeLabel(snapshot.taxMode) }}</el-tag>
             <el-tag effect="plain">报价税制：{{ pricingTaxModeLabel(snapshot.pricingTaxMode) }}</el-tag>