feat: 价格试算模块优化

docs/v2.1/trial-page.md

@@ -55,9 +55,12 @@
 ## 4. 02 价格试算（公式从 web/js/app.js 移植，单位口径不变）
 
 输入参数（存 `product.pricing` JSON）：`purchasePrice` 进货价¥(默认30)、`profitRate` 净利率%(默认100)、
-`tdPrice` 贴单费¥(默认3)、`logisticsLevel` low/high/high2(默认 low)、`discountReserve` 预留折扣%(默认50，≤95)、
+`tdPrice` 贴单费¥(默认3)、`logisticsLevel` low/high/high2(默认 low)、`lineMultiplier` 划线价倍数%(默认100，0-500)、
 `fxRate` 汇率（`product.fx_rate` 快照，无则 `GET /api/fx` 拉取）。重量/尺寸取自 01 区块。
 
+> 划线价口径（v2.1 调整）：原 v1 的「预留折扣空间」（划线价 = 销售价 ÷ (1-折扣%)）在 >95% 区间发散且 ≥100% 无解，
+> 改为「划线价倍数」：`划线价 = 销售价 × (1 + 倍数%)`。倍数 100% → 划线价 = 2× 销售价；50% → 1.5×。线性、全程可算。
+
 **物流费**（`baseLogisticsFee` 已在 `studio/src/pricing/pricing.ts`）：
 
 | 等级 | 条件 | 公式 | 规则文案 |
@@ -81,8 +84,8 @@
 平台佣金    = 销售价 × 12%（low）/ 18%（其余）      ← 展示用
 平台总抽成  = 销售价 × (1 - 净得率) = 15.5% / 21.5%  ← 含佣金及约3.5%其它费
 完全成本    = 进货价 + 物流费 + 平台总抽成
-预留后¥    = 销售价 / (1 - 预留折扣%)；差额 = 预留后 - 销售价
+预留后¥    = 销售价 × (1 + 划线价倍数%)（即划线价）；差额 = 划线价 - 销售价
-销售价₽    = 销售价¥ × 汇率；预留₽ = 预留后¥ × 汇率
+销售价₽    = 销售价¥ × 汇率；划线₽ = 划线价¥ × 汇率
 ```
 
 **校验**（v2.1 新增移植到 `pricing.ts`：`validateDimensions` / `validateLogisticsLevelCny` / `validatePriceRange`，注意等级/区间建议用的销售价单位是 **CNY**，与 v1 一致）：
@@ -99,14 +102,14 @@
 // product.pricing（PriceInfoPanel 字段的超集，向后兼容）
 {
   "purchasePrice": 30, "profitRate": 100, "logisticsLevel": "low", "tdPrice": 3,
-  "discountReserve": 50, "fxRate": 11.5, "weightG": 600, "dims": { "l": 20, "w": 15, "h": 10 },
+  "lineMultiplier": 100, "fxRate": 11.5, "weightG": 600, "dims": { "l": 20, "w": 15, "h": 10 },
   "logisticsFee": 22.12, "receivedPrice": 60, "profitPrice": 30, "commission": 11.63,
   "fullCommission": 15.02, "totalCost": 67.14,
-  "sellingPriceCny": 77.51, "reservedPriceCny": 155.02,
+  "sellingPriceCny": 77.51, "linePriceCny": 155.02,
-  "sellingPriceRub": 891.4, "reservedPriceRub": 1782.7,
+  "sellingPriceRub": 891.4, "linePriceRub": 1782.7,
   "calculatedAt": "2026-08-26T12:00:00Z"
 }
-// 同时回填：price=销售价CNY，old_price=预留后CNY，currency_code=CNY，fx_rate=汇率
+// 同时回填：price=销售价CNY，old_price=划线价CNY，currency_code=CNY，fx_rate=汇率
 ```
 
 ## 5. 03 俄文文案

studio/src/pages/product/PriceInfoPanel.tsx

@@ -33,16 +33,16 @@ function dimsCm(product: ProductDetail): { l: number; w: number; h: number } {
 }
 
 /**
- * 售价信息：售价/划线价（CNY）+ 定价参数（进货价/净利率/物流等级/汇率/预留折扣）。
+ * 售价信息：售价/划线价（CNY）+ 定价参数（进货价/净利率/物流等级/汇率/划线价倍数）。
  * 重量、尺寸直接读「主要信息」的包装字段，不重复填写。
- * 任一定价参数变化即重算并回填售价（= 销售价）与划线价（= 预留折扣前价格）。
+ * 任一定价参数变化即重算并回填售价（= 销售价）与划线价（= 销售价 × (1 + 倍数%)）。
  */
 export default function PriceInfoPanel({ product, onSave }: Props) {
     const pricing = (product.pricing ?? {}) as PricingPayload;
     const [purchasePrice, setPurchasePrice] = useState(pricing.purchasePrice ?? 30);
     const [profitRate, setProfitRate] = useState(pricing.profitRate ?? 100);
     const [level, setLevel] = useState<LogisticsLevel>((pricing.logisticsLevel as LogisticsLevel) ?? 'low');
-    const [reserve, setReserve] = useState(pricing.discountReserve ?? 50);
+    const [multiplier, setMultiplier] = useState(pricing.lineMultiplier ?? 100);
     const [fxRate, setFxRate] = useState(product.fx_rate ?? pricing.fxRate ?? 0);
 
     // 币种固定人民币：历史数据（默认 RUB）打开编辑页时纠正一次
@@ -67,7 +67,7 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
     const tdPrice = pricing.tdPrice ?? 3;
 
     /** 用当前参数（可被 patch 覆盖）实时计算，不落库 */
-    const compute = (patch: Partial<{ purchasePrice: number; profitRate: number; level: LogisticsLevel; reserve: number; fxRate: number }> = {}) =>
+    const compute = (patch: Partial<{ purchasePrice: number; profitRate: number; level: LogisticsLevel; multiplier: number; fxRate: number }> = {}) =>
         calculatePricing({
             purchasePrice: patch.purchasePrice ?? purchasePrice,
             profitRate: patch.profitRate ?? profitRate,
@@ -75,17 +75,17 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
             weightG: weightGrams(product),
             dims: dimsCm(product),
             tdPrice,
-            discountReserve: patch.reserve ?? reserve,
+            lineMultiplier: patch.multiplier ?? multiplier,
             fxRate: patch.fxRate ?? fxRate,
         });
 
     /** 重算并落库：定价参数 + 售价/划线价一并保存 */
-    const recalc = (patch: Partial<{ purchasePrice: number; profitRate: number; level: LogisticsLevel; reserve: number; fxRate: number }> = {}) => {
+    const recalc = (patch: Partial<{ purchasePrice: number; profitRate: number; level: LogisticsLevel; multiplier: number; fxRate: number }> = {}) => {
         const p = {
             purchasePrice: patch.purchasePrice ?? purchasePrice,
             profitRate: patch.profitRate ?? profitRate,
             level: patch.level ?? level,
-            reserve: patch.reserve ?? reserve,
+            multiplier: patch.multiplier ?? multiplier,
             fxRate: patch.fxRate ?? fxRate,
         };
         const r = compute(patch);
@@ -98,7 +98,7 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
                 weightG: weightGrams(product),
                 dims: dimsCm(product),
                 tdPrice,
-                discountReserve: p.reserve,
+                lineMultiplier: p.multiplier,
                 fxRate: p.fxRate,
                 logisticsFee: r.logisticsFee,
                 fullCommission: r.fullCommission,
@@ -109,7 +109,7 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
             },
             fx_rate: p.fxRate,
             price: r.sellingPriceCny,
-            old_price: r.reservedPriceCny,
+            old_price: r.linePriceCny,
             currency_code: 'CNY',
         });
     };
@@ -189,15 +189,15 @@ export default function PriceInfoPanel({ product, onSave }: Props) {
                     />
                 </Col>
                 <Col span={5}>
-                    <FieldLabel>预留折扣 %</FieldLabel>
+                    <FieldLabel>划线价倍数 %</FieldLabel>
                     <InputNumber
                         style={{ width: '100%' }}
                         min={0}
-                        max={95}
+                        max={500}
-                        value={reserve}
+                        value={multiplier}
                         onChange={(v) => {
-                            setReserve(v ?? 0);
+                            setMultiplier(v ?? 0);
-                            recalc({ reserve: v ?? 0 });
+                            recalc({ multiplier: v ?? 0 });
                         }}
                     />
                 </Col>

studio/src/pages/trial/TrialExportPanel.tsx

@@ -1,6 +1,6 @@
 /**
  * 05 入库与导出（docs/v2.1/trial-page.md §7）：
- * 入库即各区块自动落库；此处提供 本商品CSV / 批量CSV（16 列，对齐 v1 web）与 组合码（SKU 预留₽价）。
+ * 入库即各区块自动落库；此处提供 本商品CSV / 批量CSV（16 列，对齐 v1 web）与 组合码（SKU 划线₽价）。
  * Phase A 由前端拼装（逐个拉详情），Phase D 可换 GET /api/export/trial-csv。
  */
 import { useState } from 'react';
@@ -50,11 +50,11 @@ function buildRow(p: ProductDetail): Array<string | number | null> {
     ];
 }
 
-/** 组合码一行：`货号 预留₽价(两位)`，无预留价回退销售价₽ */
+/** 组合码一行：`货号 划线₽价(两位)`，无划线价回退销售价₽ */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 function comboCode(p: ProductDetail): string {
     const pr = (p.pricing ?? {}) as Record<string, any>;
-    const rub = pr.reservedPriceRub ?? pr.sellingPriceRub;
+    const rub = pr.linePriceRub ?? pr.reservedPriceRub ?? pr.sellingPriceRub;
     if (!p.offer_id || rub == null) return '';
     return `${p.offer_id} ${Number(rub).toFixed(2)}`;
 }
@@ -127,7 +127,7 @@ export default function TrialExportPanel({ product }: Props) {
     const copyCurrentCombo = async () => {
         const code = comboCode(product);
         if (!code) {
-            message.warning('缺少货号或计价结果（卢布预留价）');
+            message.warning('缺少货号或计价结果（卢布划线价）');
             return;
         }
         const ok = await copyText(code);
@@ -141,7 +141,7 @@ export default function TrialExportPanel({ product }: Props) {
             const list = await fetchAllPricedProducts();
             const lines = list.map(comboCode).filter(Boolean);
             if (lines.length === 0) {
-                message.warning('没有可用的组合码（需要货号 + 卢布预留价）');
+                message.warning('没有可用的组合码（需要货号 + 卢布划线价）');
                 return;
             }
             setComboText(lines.join('\n'));
@@ -188,7 +188,7 @@ export default function TrialExportPanel({ product }: Props) {
             </Space>
 
             <Text type="secondary" style={{ fontSize: 12, display: 'block', marginTop: 12 }}>
-                组合码格式：`货号 预留₽价`（无预留价回退销售价₽），用于 Ozon 后台批量改价；
+                组合码格式：`货号 划线₽价`（无划线价回退销售价₽），用于 Ozon 后台批量改价；
                 CSV 为 16 列（对齐 v1 工具台），UTF-8 BOM 编码可直接用 Excel 打开。
             </Text>
 

studio/src/pages/trial/TrialPricingPanel.tsx

@@ -1,9 +1,10 @@
 import { useEffect, useState, type CSSProperties } from 'react';
-import { Alert, Button, Card, Col, InputNumber, Radio, Row, Space, Typography, message } from 'antd';
+import { Alert, Button, Card, Col, InputNumber, message, Radio, Row, Space, Typography } from 'antd';
-import { ReloadOutlined } from '@ant-design/icons';
+import { CopyOutlined, ReloadOutlined } from '@ant-design/icons';
 import { ProductDetail } from '@/services/product';
 import { getFxRate } from '@/services/fx';
 import { apiErrorMessage } from '@/services/api';
+import { copyText } from '@/utils/file';
 import {
     calculatePricing,
     logisticsFeeRule,
@@ -28,7 +29,7 @@ interface Props {
 
 type PricingPayload = Record<string, any>;
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-type PricingState = Partial<{ purchasePrice: number; profitRate: number; tdPrice: number; level: LogisticsLevel; reserve: number; fxRate: number }>;
+type PricingState = Partial<{ purchasePrice: number; profitRate: number; tdPrice: number; level: LogisticsLevel; multiplier: number; fxRate: number }>;
 
 function weightGrams(product: ProductDetail): number {
     const w = product.weight ?? 0;
@@ -55,22 +56,24 @@ function Metric({ label, value, rule, color }: { label: string; value: string; r
     );
 }
 
-/** 销售价格四宫格：人民币/卢布 × 销售价/划线价，价格居中，划线价带删除线 */
+/** 销售价格四宫格：人民币/卢布 × 销售价/划线价，价格居中，划线价带删除线；人民币销售价可一键复制 */
 function SalePriceGrid({
     cnySelling,
+    cnySellingNumber,
     cnyLine,
     rubSelling,
     rubLine,
-    reserve,
+    multiplier,
     fxRate,
     cnyGap,
     rubGap,
 }: {
     cnySelling: string;
+    cnySellingNumber?: string;
     cnyLine: string;
     rubSelling: string;
     rubLine: string;
-    reserve: number;
+    multiplier: number;
     fxRate: number;
     cnyGap: number | null;
     rubGap: number | null;
@@ -88,11 +91,37 @@ function SalePriceGrid({
         lineHeight: '30px',
     };
     const noteStyle: CSSProperties = { fontSize: 11, color: 'rgba(0,0,0,0.35)' };
+    const multiple = (1 + multiplier / 100).toFixed(2);
+
+    const copyCnySelling = async () => {
+        if (!cnySellingNumber) return;
+        const ok = await copyText(cnySellingNumber);
+        ok ? message.success(`已复制：${cnySellingNumber}`) : message.error('复制失败');
+    };
+
     return (
         <div style={{ borderTop: '1px dashed #e5e7eb', paddingTop: 14, marginTop: 14 }}>
             <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 10 }}>
                 <div style={cellStyle}>
-                    <div style={{ fontSize: 13, fontWeight: 500 }}>人民币-销售价格</div>
+                    <div
+                        style={{
+                            fontSize: 13,
+                            fontWeight: 500,
+                            display: 'flex',
+                            alignItems: 'center',
+                            justifyContent: 'center',
+                            gap: 4,
+                        }}
+                    >
+                        人民币-销售价格
+                        {cnySellingNumber && (
+                            <CopyOutlined
+                                title="复制人民币销售价"
+                                style={{ color: 'rgba(0,0,0,0.45)', cursor: 'pointer' }}
+                                onClick={copyCnySelling}
+                            />
+                        )}
+                    </div>
                     <div style={priceStyle}>{cnySelling}</div>
                     <div style={noteStyle}>销售价（现价）</div>
                 </div>
@@ -107,14 +136,16 @@ function SalePriceGrid({
                     <div style={{ fontSize: 13, fontWeight: 500 }}>人民币-划线价</div>
                     <div style={{ ...priceStyle, textDecoration: 'line-through' }}>{cnyLine}</div>
                     <div style={noteStyle}>
-                        预留 {reserve}% 后{cnyGap != null ? ` · 差额 ¥ ${cnyGap.toFixed(2)}` : ''}
+                        销售价 × {multiple}
+                        {cnyGap != null ? ` · 差额 ¥ ${cnyGap.toFixed(2)}` : ''}
                     </div>
                 </div>
                 <div style={cellStyle}>
                     <div style={{ fontSize: 13, fontWeight: 500 }}>卢布-划线价</div>
                     <div style={{ ...priceStyle, textDecoration: 'line-through' }}>{rubLine}</div>
                     <div style={noteStyle}>
-                        预留 {reserve}% 后{rubGap != null ? ` · 差额 ₽ ${rubGap.toFixed(0)}` : ''}
+                        销售价 × {multiple}
+                        {rubGap != null ? ` · 差额 ₽ ${rubGap.toFixed(0)}` : ''}
                     </div>
                 </div>
             </div>
@@ -125,9 +156,10 @@ function SalePriceGrid({
 /**
  * 02 价格试算：公式与告警完整移植 v1 web/js/app.js（trial-page.md §4）。
  * 布局：左侧操作项（进货价→物流等级），右侧展示项（物流费→销售价）。
+ * 划线价为「倍数」口径：划线价 = 销售价 × (1 + 倍数%)，0-500% 线性可算（v2.1 调整）。
  * 颜色对齐 v1：完全成本/平台总抽成红色，人民币/卢布销售价绿色。
  * 参数变化即重算并落库（pricing JSON + price/old_price/fx_rate）；
- * 尺寸不合规时不落计价结果；预留折扣空间 ≥100% 时划线价无法计算（显示 --，只落销售价）。
+ * 尺寸不合规时不落计价结果。
  */
 export default function TrialPricingPanel({ product, onSave }: Props) {
     const pricing = (product.pricing ?? {}) as PricingPayload;
@@ -135,7 +167,7 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
     const [profitRate, setProfitRate] = useState(pricing.profitRate ?? 100);
     const [tdPrice, setTdPrice] = useState(pricing.tdPrice ?? 3);
     const [level, setLevel] = useState<LogisticsLevel>((pricing.logisticsLevel as LogisticsLevel) ?? 'low');
-    const [reserve, setReserve] = useState(pricing.discountReserve ?? 50);
+    const [multiplier, setMultiplier] = useState(pricing.lineMultiplier ?? 100);
     const [fxRate, setFxRate] = useState(product.fx_rate ?? pricing.fxRate ?? 0);
     const [fxSource, setFxSource] = useState('');
 
@@ -178,7 +210,7 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
             weightG: weightGrams(product),
             dims: dimsCm(product),
             tdPrice: patch.tdPrice ?? tdPrice,
-            discountReserve: patch.reserve ?? reserve,
+            lineMultiplier: patch.multiplier ?? multiplier,
             fxRate: patch.fxRate ?? fxRate,
         });
 
@@ -189,7 +221,7 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
             profitRate: patch.profitRate ?? profitRate,
             tdPrice: patch.tdPrice ?? tdPrice,
             level: patch.level ?? level,
-            reserve: patch.reserve ?? reserve,
+            multiplier: patch.multiplier ?? multiplier,
             fxRate: patch.fxRate ?? fxRate,
         };
         const dims = dimsCm(product);
@@ -201,40 +233,9 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
             weightG: weightGrams(product),
             dims,
             tdPrice: p.tdPrice,
-            discountReserve: p.reserve,
+            lineMultiplier: p.multiplier,
             fxRate: p.fxRate,
         });
-        // 预留折扣空间 ≥100% 时划线价无数学意义（除数 ≤0）：只保存销售价，并清空划线价字段
-        const lineValid = p.reserve < 100;
-        const lineFields = r && lineValid
-            ? {
-                  logisticsFee: r.logisticsFee,
-                  receivedPrice: r.receivedPrice,
-                  profitPrice: r.profitPrice,
-                  commission: r.commission,
-                  fullCommission: r.fullCommission,
-                  totalCost: r.totalCost,
-                  sellingPriceCny: r.sellingPriceCny,
-                  reservedPriceCny: r.reservedPriceCny,
-                  sellingPriceRub: r.sellingPriceRub,
-                  reservedPriceRub: r.reservedPriceRub,
-                  calculatedAt: new Date().toISOString(),
-              }
-            : r
-              ? {
-                    logisticsFee: r.logisticsFee,
-                    receivedPrice: r.receivedPrice,
-                    profitPrice: r.profitPrice,
-                    commission: r.commission,
-                    fullCommission: r.fullCommission,
-                    totalCost: r.totalCost,
-                    sellingPriceCny: r.sellingPriceCny,
-                    sellingPriceRub: r.sellingPriceRub,
-                    reservedPriceCny: null,
-                    reservedPriceRub: null,
-                    calculatedAt: new Date().toISOString(),
-                }
-              : {};
         onSave({
             pricing: {
                 ...pricing,
@@ -242,18 +243,28 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
                 profitRate: p.profitRate,
                 tdPrice: p.tdPrice,
                 logisticsLevel: p.level,
-                discountReserve: p.reserve,
+                lineMultiplier: p.multiplier,
                 fxRate: p.fxRate,
                 weightG: weightGrams(product),
                 dims,
-                ...lineFields,
+                ...(r
+                    ? {
+                          logisticsFee: r.logisticsFee,
+                          receivedPrice: r.receivedPrice,
+                          profitPrice: r.profitPrice,
+                          commission: r.commission,
+                          fullCommission: r.fullCommission,
+                          totalCost: r.totalCost,
+                          sellingPriceCny: r.sellingPriceCny,
+                          linePriceCny: r.linePriceCny,
+                          sellingPriceRub: r.sellingPriceRub,
+                          linePriceRub: r.linePriceRub,
+                          calculatedAt: new Date().toISOString(),
+                      }
+                    : {}),
             },
             fx_rate: p.fxRate,
-            ...(r && lineValid
+            ...(r ? { price: r.sellingPriceCny, old_price: r.linePriceCny } : {}),
-                ? { price: r.sellingPriceCny, old_price: r.reservedPriceCny }
-                : r
-                  ? { price: r.sellingPriceCny, old_price: null }
-                  : {}),
             currency_code: 'CNY',
         });
     };
@@ -262,8 +273,7 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
     const preview = fxRate && !dimError ? compute() : null;
     const levelHint = preview ? validateLogisticsLevelCny(preview.sellingPriceCny, level) : '';
     const rangeHint = preview ? validatePriceRange(preview.sellingPriceCny) : '';
-    const lineValid = reserve < 100;
+    const discountGap = preview ? preview.linePriceCny - preview.sellingPriceCny : 0;
-    const discountGap = preview && lineValid ? preview.reservedPriceCny - preview.sellingPriceCny : 0;
 
     const num = (v: number | undefined | null, digits = 2) => (v == null ? '--' : v.toFixed(digits));
 
@@ -314,17 +324,17 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
                         />
                     </Col>
                     <Col span={12}>
-                        <FieldLabel>预留折扣空间 %</FieldLabel>
+                        <FieldLabel>划线价倍数 %</FieldLabel>
                         <InputNumber
                             style={{ width: '100%' }}
                             min={0}
                             max={500}
                             step={5}
-                            value={reserve}
+                            value={multiplier}
                             onChange={(v) => {
                                 const n = v ?? 0;
-                                setReserve(n);
+                                setMultiplier(n);
-                                recalc({ reserve: n });
+                                recalc({ multiplier: n });
                             }}
                         />
                     </Col>
@@ -384,19 +394,19 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
                 {dimError && <Alert type="error" showIcon message="尺寸不符合物流要求" description={dimError} />}
 
                 <Text type="secondary" style={{ fontSize: 12, display: 'block', marginTop: 12 }}>
-                    参数变化自动计价并入库；尺寸不合规时不落计价结果。重量/尺寸在「商品信息」区块维护。
+                    划线价 = 销售价 × (1 + 倍数%)；参数变化自动计价并入库；尺寸不合规时不落计价结果。重量/尺寸在「商品信息」区块维护。
                 </Text>
-            </Col>
 
-            {/* ── 右：展示项（物流费 → 销售价） ── */}
-            <Col span={14}>
                 {(levelHint || rangeHint) && (
-                    <div style={{ marginBottom: 12 }}>
+                    <div style={{ marginTop: 12 }}>
                         {levelHint && <Alert type="warning" showIcon message={levelHint} style={{ marginBottom: 8 }} />}
                         {rangeHint && <Alert type="warning" showIcon message={rangeHint} />}
                     </div>
                 )}
+            </Col>
 
+            {/* ── 右：展示项（物流费 → 销售价） ── */}
+            <Col span={14}>
                 <Card size="small" style={{ background: '#fafafa' }}>
                     {/* 第一行：物流费 / 平台佣金 / 提现费及其他 */}
                     <Row gutter={[16, 20]}>
@@ -445,13 +455,14 @@ export default function TrialPricingPanel({ product, onSave }: Props) {
                     {/* 第三、四行：人民币/卢布 销售价 + 划线价 四宫格 */}
                     <SalePriceGrid
                         cnySelling={preview ? `¥ ${num(preview.sellingPriceCny)}` : '--'}
-                        cnyLine={preview && lineValid ? `¥ ${num(preview.reservedPriceCny)}` : '--'}
+                        cnySellingNumber={preview ? preview.sellingPriceCny.toFixed(2) : undefined}
+                        cnyLine={preview ? `¥ ${num(preview.linePriceCny)}` : '--'}
                         rubSelling={preview ? `₽ ${num(preview.sellingPriceRub, 0)}` : '--'}
-                        rubLine={preview && lineValid ? `₽ ${num(preview.reservedPriceRub, 0)}` : '--'}
+                        rubLine={preview ? `₽ ${num(preview.linePriceRub, 0)}` : '--'}
-                        reserve={reserve}
+                        multiplier={multiplier}
                         fxRate={fxRate}
-                        cnyGap={preview && lineValid ? discountGap : null}
+                        cnyGap={preview ? discountGap : null}
-                        rubGap={preview && lineValid ? preview.reservedPriceRub - preview.sellingPriceRub : null}
+                        rubGap={preview ? preview.linePriceRub - preview.sellingPriceRub : null}
                     />
                 </Card>
             </Col>

studio/src/pricing/pricing.ts

@@ -1,7 +1,8 @@
 /**
  * 计价纯函数 —— 从 v1 web/js/app.js 抄录（只抄不改，见 docs/v2/migration.md §3）。
- * 输入：进货价/净利率/物流等级/重量/尺寸/贴单费/预留折扣/汇率
+ * v2.1 调整：划线价改为「倍数」口径（划线价 = 销售价 × (1 + 倍数%)），替代 v1 的 ÷(1-预留折扣)。
- * 输出：物流费/佣金/完全成本/销售价(¥/₽)/预留折扣价
+ * 输入：进货价/净利率/物流等级/重量/尺寸/贴单费/划线价倍数/汇率
+ * 输出：物流费/佣金/完全成本/销售价(¥/₽)/划线价(¥/₽)
  */
 
 export type LogisticsLevel = 'low' | 'high' | 'high2';
@@ -13,7 +14,7 @@ export interface PricingInput {
     weightG: number;         // 重量 g
     dims: { l: number; w: number; h: number }; // cm
     tdPrice: number;         // 贴单费用 ¥
-    discountReserve: number; // 预留折扣 %
+    lineMultiplier: number;  // 划线价倍数 %（划线价 = 销售价 × (1 + 倍数/100)）
     fxRate: number;          // 汇率 CNY→RUB
 }
 
@@ -27,8 +28,8 @@ export interface PricingResult {
     commission: number;      // 展示用平台佣金
     totalCost: number;       // 完全成本
     sellingPriceRub: number; // 销售价 ₽
-    reservedPriceCny: number;// 预留折扣后 ¥
+    linePriceCny: number;    // 划线价 ¥（销售价 × (1 + 倍数)）
-    reservedPriceRub: number;// 预留折扣后 ₽
+    linePriceRub: number;    // 划线价 ₽
 }
 
 /** 物流费（不含贴单费） */
@@ -44,7 +45,7 @@ export function baseLogisticsFee(weightG: number, level: LogisticsLevel): number
 }
 
 export function calculatePricing(input: PricingInput): PricingResult {
-    const { purchasePrice, profitRate, logisticsLevel, weightG, tdPrice, discountReserve, fxRate } = input;
+    const { purchasePrice, profitRate, logisticsLevel, weightG, tdPrice, lineMultiplier, fxRate } = input;
 
     const logisticsFee = baseLogisticsFee(weightG, logisticsLevel) + tdPrice;
     const profitDecimal = profitRate / 100;
@@ -57,8 +58,8 @@ export function calculatePricing(input: PricingInput): PricingResult {
     const totalCost = purchasePrice + logisticsFee + fullCommission;
 
     const sellingPriceRub = sellingPriceCny * fxRate;
-    const reservedPriceCny = sellingPriceCny / (1 - discountReserve / 100);
+    const linePriceCny = sellingPriceCny * (1 + lineMultiplier / 100);
-    const reservedPriceRub = reservedPriceCny * fxRate;
+    const linePriceRub = linePriceCny * fxRate;
 
     return {
         logisticsFee,
@@ -70,8 +71,8 @@ export function calculatePricing(input: PricingInput): PricingResult {
         commission,
         totalCost,
         sellingPriceRub,
-        reservedPriceCny,
+        linePriceCny,
-        reservedPriceRub,
+        linePriceRub,
     };
 }