零售端 订单确认页，跑腿提示文字优化

mallApp/src/pages/billing/affirmMix.vue

@@ -270,7 +270,7 @@
 							</view>
 						</view>
 						<view v-else-if="freightSource === 'customFallback'" class="quotes-loading">
-							<text class="quotes-hint">跑腿报价异常，已按门店自定义规则计费</text>
+							<text class="quotes-hint">{{ runnerFallbackTip || '暂无可用跑腿，已按门店自定义规则计费' }}</text>
 						</view>
 					</block>
 				</view>
@@ -579,6 +579,8 @@ export default {
 			isFreeDelivery: false,
 			/** 跑腿运费来源：platform / custom / customFallback / bouquetIncluded / reduceFree */
 			freightSource: "",
+			/** 自定义兜底时的原因说明（超范围 / 接口失败等），避免一律写「报价异常」 */
+			runnerFallbackTip: "",
 			deliveryPolicyList: [],
 			validAddress: false,
 			hbData: [],
@@ -1910,8 +1912,8 @@ export default {
 				return 0;
 			}).catch(() => 0);
 		},
-		/** 应用自定义/兜底运费到表单 */
-		applyCustomFreightResult(distanceMeters, source) {
+		/** 应用自定义/兜底运费到表单；tip 仅 customFallback 时用于界面说明 */
+		applyCustomFreightResult(distanceMeters, source, tip) {
 			const distanceKm = (Number(distanceMeters) || 0) / 1000;
 			const fee = this.calcCustomFreight(distanceKm);
 			this.showDistance = distanceMeters;
@@ -1921,15 +1923,41 @@ export default {
 			if (fee == null) {
 				this.form.sendCost = 0;
 				this.freightSource = "";
+				this.runnerFallbackTip = "";
 				this.isFreeDelivery = false;
 				this.$msg("自定义计费规则未配置完整，无法计算运费");
 				return false;
 			}
 			this.form.sendCost = fee;
 			this.freightSource = source;
+			this.runnerFallbackTip = source === "customFallback"
+				? (tip || "暂无可用跑腿，已按门店自定义规则计费")
+				: "";
 			this.isFreeDelivery = fee === 0;
 			return true;
 		},
+		/**
+		 * 平台都不可用时，从禁用原因生成兜底提示（优先识别超配送范围）
+		 * @param {Array} rawList all-delivery-quotes 原始 deliveryList
+		 * @returns {string}
+		 */
+		buildRunnerUnavailableTip(rawList) {
+			const reasons = (rawList || [])
+				.map((item) => {
+					const vg = item && item.valid_goods ? item.valid_goods : {};
+					return String((vg && vg.disable_reason) || item.type || item.disable_reason || "").trim();
+				})
+				.filter(Boolean);
+			const text = reasons.join("；");
+			if (/超配送范围|超出配送范围|超范围|超出范围/.test(text)) {
+				return "收货地址超配送范围，已按门店自定义规则计费";
+			}
+			if (reasons.length > 0) {
+				// 取第一条平台原因，避免文案过长
+				return reasons[0] + "，已按门店自定义规则计费";
+			}
+			return "暂无可用跑腿平台，已按门店自定义规则计费";
+		},
 		init() {
 			this.syncShopContext();
 		},
@@ -2073,6 +2101,7 @@ export default {
 			this.deliveryQuotesLoading = true;
 			this.isFreeDelivery = false;
 			this.freightSource = "";
+			this.runnerFallbackTip = "";
 
 			// A：含包运费花束 → 只计距 + 花束运费
 			if (mode === "bouquetIncluded") {
@@ -2114,20 +2143,28 @@ export default {
 				this.deliveryQuotesLoading = false;
 				if (this.hasValidRunnerCustomConfig) {
 					this.fetchDeliveryDistanceMeters().then((meters) => {
-						this.applyCustomFreightResult(meters, "customFallback");
+						this.applyCustomFreightResult(
+							meters,
+							"customFallback",
+							"获取配送距离失败，已按门店自定义规则计费"
+						);
 					});
 				} else {
 					this.$msg("获取距离失败");
 				}
 			});
 		},
-		/** 拉跑腿平台报价；失败或无可用平台时改用自定义兜底 */
+		/** 拉跑腿平台报价；失败或无可用平台时改用自定义兜底（提示按真实原因区分） */
 		fetchPlatformQuotesWithFallback(distanceMeters) {
 			const hasBouquet = (this.list || []).some((item) => this.isBouquetItem(item));
 			if (Number(this.allCount.weight) <= 0 && !hasBouquet) {
 				this.deliveryQuotesLoading = false;
 				if (this.hasValidRunnerCustomConfig) {
-					this.applyCustomFreightResult(distanceMeters, "customFallback");
+					this.applyCustomFreightResult(
+						distanceMeters,
+						"customFallback",
+						"商品无重量无法跑腿报价，已按门店自定义规则计费"
+					);
 				} else {
 					this.$msg("商品没有重量，无法使用跑腿");
 				}
@@ -2135,7 +2172,11 @@ export default {
 			}
 			if (Number(this.form.openIntraCity) !== 1) {
 				this.deliveryQuotesLoading = false;
-				this.applyCustomFreightResult(distanceMeters, "customFallback");
+				this.applyCustomFreightResult(
+					distanceMeters,
+					"customFallback",
+					"未开通自动跑腿报价，已按门店自定义规则计费"
+				);
 				return;
 			}
 
@@ -2156,7 +2197,8 @@ export default {
 				...this.buildDeliveryQuoteAddressPayload()
 			}).then((res) => {
 				if (res.code === 1 && res.data && res.data.deliveryList) {
-					this.deliveryQuotes = res.data.deliveryList
+					const rawList = res.data.deliveryList || [];
+					this.deliveryQuotes = rawList
 						.filter((item) => item.isAble !== false)
 						.map((item) => {
 							const price = item.price ? (item.price / 100).toFixed(1) : "0.0";
@@ -2181,13 +2223,28 @@ export default {
 					if (firstAvailableIndex !== -1) {
 						this.selectDelivery(this.deliveryQuotes[firstAvailableIndex], firstAvailableIndex);
 						this.freightSource = "platform";
+						this.runnerFallbackTip = "";
 						return;
 					}
+					// 有返回但全部不可用（如超配送范围）→ 按原因提示 + 自定义兜底
+					this.applyCustomFreightResult(
+						distanceMeters || this.showDistance,
+						"customFallback",
+						this.buildRunnerUnavailableTip(rawList)
+					);
+					return;
 				}
-				// 无可用平台 → 自定义兜底
-				this.applyCustomFreightResult(distanceMeters || this.showDistance, "customFallback");
+				this.applyCustomFreightResult(
+					distanceMeters || this.showDistance,
+					"customFallback",
+					"跑腿报价失败，已按门店自定义规则计费"
+				);
 			}).catch(() => {
-				this.applyCustomFreightResult(distanceMeters || this.showDistance, "customFallback");
+				this.applyCustomFreightResult(
+					distanceMeters || this.showDistance,
+					"customFallback",
+					"跑腿报价失败，已按门店自定义规则计费"
+				);
 			}).finally(() => {
 				this.deliveryQuotesLoading = false;
 			});