feat(listing): 优化优质号主发布与极品专区体验

frontend/src/features/admin/components/PublishOptionsDialog.vue

@@ -401,6 +401,17 @@ async function handleSave() {
           <div class="editor-block-title">
             <strong>比例计算配置</strong>
           </div>
+          <el-form-item label="优质号主专享比例下调">
+            <el-input-number
+              v-model="publishOptionsDraft.ratio_config.quality_owner_ratio_discount"
+              :min="0"
+              :max="10"
+              :step="0.5"
+            />
+            <span class="inline-config-hint">
+              默认 1，表示优质号主可在基础比例上降低 1；普通号主不能使用该区间。
+            </span>
+          </el-form-item>
           <div class="editor-block-title subtle-title">
             <span>保险基础比例</span>
             <el-button size="small" @click="addInsuranceBaseRatio">添加保险比例</el-button>
@@ -635,6 +646,13 @@ async function handleSave() {
   font-size: 13px;
 }
 
+.inline-config-hint {
+  margin-left: 10px;
+  color: #8b95a5;
+  font-size: 12px;
+  line-height: 1.5;
+}
+
 .skin-config-row {
   display: grid;
   grid-template-columns: 140px 180px minmax(0, 1fr) 72px;