diff --git a/inquiry-api/jeecg-module-inquiry/src/main/java/org/jeecg/modules/inquiry/service/IInquiryDashboardService.java b/inquiry-api/jeecg-module-inquiry/src/main/java/org/jeecg/modules/inquiry/service/IInquiryDashboardService.java
index ef95bc1..56825cd 100644
--- a/inquiry-api/jeecg-module-inquiry/src/main/java/org/jeecg/modules/inquiry/service/IInquiryDashboardService.java
+++ b/inquiry-api/jeecg-module-inquiry/src/main/java/org/jeecg/modules/inquiry/service/IInquiryDashboardService.java
@@ -8,7 +8,8 @@ import java.util.Map;
 public interface IInquiryDashboardService {
 
     /**
-     * 返回看板指标：metrics 列表 + trend + rankings。
+     * 返回看板指标：metrics + trend + rankings + costDates/costRoutes。
+     * rankings 与工单列表同套发起人解析；costRoutes 为近 7 日线路均价（主账工单投影）。
      *
      * @param range  today|7d|30d，默认 today
      */
diff --git a/inquiry-api/jeecg-module-inquiry/src/main/java/org/jeecg/modules/inquiry/service/impl/InquiryDashboardServiceImpl.java b/inquiry-api/jeecg-module-inquiry/src/main/java/org/jeecg/modules/inquiry/service/impl/InquiryDashboardServiceImpl.java
index 81dd91e..7a1fdcc 100644
--- a/inquiry-api/jeecg-module-inquiry/src/main/java/org/jeecg/modules/inquiry/service/impl/InquiryDashboardServiceImpl.java
+++ b/inquiry-api/jeecg-module-inquiry/src/main/java/org/jeecg/modules/inquiry/service/impl/InquiryDashboardServiceImpl.java
@@ -1,12 +1,14 @@
 package org.jeecg.modules.inquiry.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import org.apache.commons.lang3.StringUtils;
 import org.jeecg.modules.inquiry.domain.TicketStatuses;
 import org.jeecg.modules.inquiry.entity.InquiryStaffRole;
 import org.jeecg.modules.inquiry.entity.InquiryTicket;
 import org.jeecg.modules.inquiry.mapper.InquiryStaffRoleMapper;
 import org.jeecg.modules.inquiry.mapper.InquiryTicketMapper;
 import org.jeecg.modules.inquiry.service.IInquiryDashboardService;
+import org.jeecg.modules.inquiry.support.InquiryTicketDisplaySupport;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -18,24 +20,41 @@ import java.time.LocalTime;
 import java.time.ZoneId;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.stream.Collectors;
 
 /**
  * 看板实时聚合实现（无快照依赖）。
  * <p>
- * 计算口径对齐后台原型：询价总数、待处理、TMS 命中率、异常完成率、手工报价占比、
+ * 计算口径：询价总数、待处理、TMS 命中率、异常完成率、手工报价占比、
  * 已成交、成交率、反馈率；内部协同时长本期无协同表时返回「-」。
+ * 人员排名与工单列表同一套发起人解析（企微 id → 员工姓名），禁止只认库内空 sales_name。
+ * 成本趋势：近 7 日工单按线路聚合均价（成本价优先，缺省用销售价），非浏览器直连 TMS。
  * 线程：只读查询，无写锁。
  */
 @Service
 public class InquiryDashboardServiceImpl implements IInquiryDashboardService {
 
     private static final ZoneId ZONE = ZoneId.of("Asia/Shanghai");
+    private static final DateTimeFormatter DAY_FMT = DateTimeFormatter.ofPattern("MM-dd");
+    private static final int COST_ROUTE_LIMIT = 16;
+    private static final String[] COST_COLORS = {
+            "#2563eb", "#3b82f6", "#0891b2", "#0e7490", "#6366f1", "#8b5cf6",
+            "#a855f7", "#c026d3", "#db2777", "#e11d48", "#dc2626", "#ea580c",
+            "#d97706", "#65a30d", "#0d9488", "#059669", "#0284c7"
+    };
+
+    /** 单日金额累加（成本趋势用）。 */
+    private static final class DaySum {
+        private BigDecimal sum = BigDecimal.ZERO;
+        private int count;
+    }
 
     @Autowired
     private InquiryTicketMapper ticketMapper;
@@ -91,59 +110,306 @@ public class InquiryDashboardServiceImpl implements IInquiryDashboardService {
         metricCards.add(card("accepted", "已成交工单", "状态=已成交的工单数量", String.valueOf(deal), false));
         metricCards.add(card("dealRate", "报价成交率", "已成交数 ÷ 已报价相关数 × 100%", pct(deal, Math.max(quoted, 1)), false));
         long feedbackNumer = deal + lost;
-        // 反馈率口径：已成交+未成交（相对周期工单）
         metricCards.add(card("feedback", "报价反馈率", "（已成交 + 未成交）÷ 工单数 × 100%", pct(feedbackNumer, total), false));
         metricCards.add(card("avgResp", "内部协同平均响应时长", "本期无协同明细表，暂无数据", "-", true));
 
-        // 近 7 日趋势（不受 range 限制，便于折线）
-        List<Map<String, Object>> trend = new ArrayList<>();
-        DateTimeFormatter fmt = DateTimeFormatter.ofPattern("MM-dd");
+        // 近 7 日趋势 + 成本：一次拉周内工单，避免 7 次 count
+        Date weekFrom = Date.from(today.minusDays(6).atStartOfDay(ZONE).toInstant());
+        List<InquiryTicket> weekTickets = ticketMapper.selectList(new LambdaQueryWrapper<InquiryTicket>()
+                .ge(InquiryTicket::getCreateTime, weekFrom)
+                .le(InquiryTicket::getCreateTime, to));
+
+        List<String> trendDates = new ArrayList<>(7);
+        List<Map<String, Object>> trend = new ArrayList<>(7);
+        Map<LocalDate, Integer> dayIndex = new HashMap<>();
         for (int i = 6; i >= 0; i--) {
             LocalDate d = today.minusDays(i);
-            Date dFrom = Date.from(d.atStartOfDay(ZONE).toInstant());
-            Date dTo = Date.from(LocalDateTime.of(d, LocalTime.MAX).atZone(ZONE).toInstant());
-            long cnt = ticketMapper.selectCount(new LambdaQueryWrapper<InquiryTicket>()
-                    .ge(InquiryTicket::getCreateTime, dFrom)
-                    .le(InquiryTicket::getCreateTime, dTo));
+            dayIndex.put(d, trendDates.size());
+            String label = d.format(DAY_FMT);
+            trendDates.add(label);
             Map<String, Object> p = new HashMap<>();
-            p.put("date", d.format(fmt));
-            p.put("value", cnt);
+            p.put("date", label);
+            p.put("value", 0L);
             trend.add(p);
         }
+        for (InquiryTicket t : weekTickets) {
+            LocalDate d = toLocalDate(t.getCreateTime());
+            Integer idx = d == null ? null : dayIndex.get(d);
+            if (idx == null) {
+                continue;
+            }
+            Map<String, Object> p = trend.get(idx);
+            p.put("value", ((Number) p.get("value")).longValue() + 1L);
+        }
 
-        // 人员排名：按销售名聚合询价量
-        Map<String, Long> bySales = tickets.stream()
-                .filter(t -> t.getSalesName() != null && !t.getSalesName().isEmpty())
-                .collect(Collectors.groupingBy(InquiryTicket::getSalesName, Collectors.counting()));
-        Map<String, InquiryStaffRole> staffByName = staffRoleMapper.selectList(null).stream()
-                .collect(Collectors.toMap(InquiryStaffRole::getName, s -> s, (a, b) -> a));
-        List<Map<String, Object>> rankings = bySales.entrySet().stream()
-                .sorted(Map.Entry.<String, Long>comparingByValue().reversed())
-                .limit(20)
-                .map(e -> {
-                    Map<String, Object> row = new LinkedHashMap<>();
-                    row.put("name", e.getKey());
-                    InquiryStaffRole staff = staffByName.get(e.getKey());
-                    if (staff != null) {
-                        row.put("role", mapRankRole(staff.getRoleCode()));
-                        row.put("dept", staff.getDepartName());
-                    } else {
-                        row.put("role", "sales");
-                        row.put("dept", "-");
-                    }
-                    row.put("volumeNum", e.getValue());
-                    return row;
-                })
-                .collect(Collectors.toList());
+        List<InquiryStaffRole> staffRows = staffRoleMapper.selectList(null);
+        Map<String, InquiryStaffRole> staffByWecom = new HashMap<>();
+        Map<String, InquiryStaffRole> staffByName = new HashMap<>();
+        for (InquiryStaffRole s : staffRows) {
+            if (s == null) {
+                continue;
+            }
+            if (StringUtils.isNotBlank(s.getWecomId())) {
+                staffByWecom.put(s.getWecomId().trim(), s);
+            }
+            if (StringUtils.isNotBlank(s.getName())) {
+                staffByName.putIfAbsent(s.getName().trim(), s);
+            }
+        }
+
+        List<Map<String, Object>> rankings = buildRankings(tickets, staffByWecom, staffByName);
+        List<Map<String, Object>> costRoutes = buildCostRoutes(weekTickets, dayIndex, trendDates);
 
         Map<String, Object> result = new LinkedHashMap<>();
         result.put("range", range == null ? "today" : range);
         result.put("metrics", metricCards);
         result.put("trend", trend);
         result.put("rankings", rankings);
+        result.put("costDates", trendDates);
+        result.put("costRoutes", costRoutes);
         return result;
     }
 
+    /**
+     * 人员排名：与工单列表 enrichDisplayFields 同口径。
+     * 聚合键优先 salesWecomId（同人合并），展示名走 resolveSalesDisplayName。
+     */
+    private static List<Map<String, Object>> buildRankings(List<InquiryTicket> tickets,
+                                                           Map<String, InquiryStaffRole> staffByWecom,
+                                                           Map<String, InquiryStaffRole> staffByName) {
+        class Acc {
+            String name;
+            InquiryStaffRole staff;
+            long volume;
+        }
+        Map<String, Acc> byKey = new LinkedHashMap<>();
+        for (InquiryTicket t : tickets) {
+            if (t == null) {
+                continue;
+            }
+            String wecom = StringUtils.trimToEmpty(t.getSalesWecomId());
+            InquiryStaffRole staff = StringUtils.isNotBlank(wecom) ? staffByWecom.get(wecom) : null;
+            String staffName = staff != null ? staff.getName() : null;
+            String display = InquiryTicketDisplaySupport.resolveSalesDisplayName(
+                    t.getSalesName(), t.getSalesWecomId(), staffName);
+            if (StringUtils.isBlank(display)) {
+                continue;
+            }
+            // 仅企微 userid、又无员工绑定时不当人名进榜（与列表「应显示中文名」一致）
+            if (staff == null && InquiryTicketDisplaySupport.looksLikeWecomUserId(display)) {
+                continue;
+            }
+            if (staff == null) {
+                staff = staffByName.get(display.trim());
+            }
+            String key = StringUtils.isNotBlank(wecom) ? "w:" + wecom : "n:" + display.trim();
+            Acc acc = byKey.get(key);
+            if (acc == null) {
+                acc = new Acc();
+                acc.name = display.trim();
+                acc.staff = staff;
+                acc.volume = 0L;
+                byKey.put(key, acc);
+            }
+            acc.volume++;
+            if (acc.staff == null && staff != null) {
+                acc.staff = staff;
+            }
+            // 有员工中文名时覆盖展示名，避免残留 userid
+            if (acc.staff != null && StringUtils.isNotBlank(acc.staff.getName())) {
+                acc.name = acc.staff.getName().trim();
+            }
+        }
+        return byKey.values().stream()
+                .sorted(Comparator.comparingLong((Acc a) -> a.volume).reversed()
+                        .thenComparing(a -> a.name, Comparator.nullsLast(String::compareTo)))
+                .limit(20)
+                .map(a -> {
+                    Map<String, Object> row = new LinkedHashMap<>();
+                    row.put("name", a.name);
+                    if (a.staff != null) {
+                        row.put("role", mapRankRole(a.staff.getRoleCode()));
+                        row.put("dept", StringUtils.defaultIfBlank(a.staff.getDepartName(), "-"));
+                    } else {
+                        row.put("role", "sales");
+                        row.put("dept", "-");
+                    }
+                    row.put("volumeNum", a.volume);
+                    return row;
+                })
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 成本趋势：近 7 日按线路日均价。
+     * 金额：cost_price 可解析则用；否则回退 sale_price（避免全空折线）。
+     * 线路：起运地-目的地；缺省业务线标签。
+     */
+    private static List<Map<String, Object>> buildCostRoutes(List<InquiryTicket> weekTickets,
+                                                             Map<LocalDate, Integer> dayIndex,
+                                                             List<String> trendDates) {
+        int days = trendDates.size();
+        class RouteAcc {
+            String label;
+            DaySum[] daysArr = new DaySum[days];
+            int samples;
+
+            RouteAcc(String label) {
+                this.label = label;
+                for (int i = 0; i < days; i++) {
+                    daysArr[i] = new DaySum();
+                }
+            }
+        }
+        Map<String, RouteAcc> byRoute = new LinkedHashMap<>();
+        DaySum[] allLine = new DaySum[days];
+        for (int i = 0; i < days; i++) {
+            allLine[i] = new DaySum();
+        }
+        int allSamples = 0;
+
+        for (InquiryTicket t : weekTickets) {
+            if (t == null) {
+                continue;
+            }
+            BigDecimal amount = parseMoney(t.getCostPrice());
+            if (amount == null) {
+                amount = parseMoney(t.getSalePrice());
+            }
+            if (amount == null || amount.compareTo(BigDecimal.ZERO) <= 0) {
+                continue;
+            }
+            LocalDate d = toLocalDate(t.getCreateTime());
+            Integer idx = d == null ? null : dayIndex.get(d);
+            if (idx == null) {
+                continue;
+            }
+            String label = routeLabel(t);
+            String id = routeId(label);
+            RouteAcc acc = byRoute.get(id);
+            if (acc == null) {
+                acc = new RouteAcc(label);
+                byRoute.put(id, acc);
+            }
+            DaySum ds = acc.daysArr[idx];
+            ds.sum = ds.sum.add(amount);
+            ds.count++;
+            acc.samples++;
+            allLine[idx].sum = allLine[idx].sum.add(amount);
+            allLine[idx].count++;
+            allSamples++;
+        }
+
+        List<Map.Entry<String, RouteAcc>> top = byRoute.entrySet().stream()
+                .sorted(Comparator.comparingInt((Map.Entry<String, RouteAcc> e) -> e.getValue().samples).reversed())
+                .limit(COST_ROUTE_LIMIT)
+                .collect(Collectors.toList());
+
+        List<Map<String, Object>> routes = new ArrayList<>();
+        if (allSamples > 0) {
+            routes.add(toCostRouteRow("quanxian", "全线", COST_COLORS[0], allLine, days));
+        }
+        int colorIdx = 1;
+        for (Map.Entry<String, RouteAcc> e : top) {
+            if ("quanxian".equals(e.getKey()) || "全线".equals(e.getValue().label)) {
+                continue;
+            }
+            String color = COST_COLORS[colorIdx % COST_COLORS.length];
+            colorIdx++;
+            routes.add(toCostRouteRow(e.getKey(), e.getValue().label, color, e.getValue().daysArr, days));
+        }
+        return routes;
+    }
+
+    private static Map<String, Object> toCostRouteRow(String id, String label, String color, DaySum[] daysArr, int days) {
+        List<Object> values = new ArrayList<>(days);
+        for (int i = 0; i < days; i++) {
+            DaySum ds = daysArr[i];
+            if (ds == null || ds.count <= 0) {
+                values.add(null);
+            } else {
+                values.add(ds.sum.divide(BigDecimal.valueOf(ds.count), 2, RoundingMode.HALF_UP));
+            }
+        }
+        Map<String, Object> row = new LinkedHashMap<>();
+        row.put("id", id);
+        row.put("label", label);
+        row.put("color", color);
+        row.put("values", values);
+        return row;
+    }
+
+    /** 金额串：「CNY 1,234.5」「1234.5」→ BigDecimal；「-」/空 → null。 */
+    static BigDecimal parseMoney(String raw) {
+        if (raw == null) {
+            return null;
+        }
+        String s = raw.trim();
+        if (s.isEmpty() || "-".equals(s) || "—".equals(s)) {
+            return null;
+        }
+        s = s.replace(",", "");
+        StringBuilder num = new StringBuilder();
+        boolean dot = false;
+        for (int i = 0; i < s.length(); i++) {
+            char c = s.charAt(i);
+            if (c >= '0' && c <= '9') {
+                num.append(c);
+            } else if (c == '.' && !dot) {
+                num.append(c);
+                dot = true;
+            } else if (c == '-' && num.length() == 0) {
+                num.append(c);
+            }
+        }
+        if (num.length() == 0 || "-".contentEquals(num) || ".".contentEquals(num)) {
+            return null;
+        }
+        try {
+            return new BigDecimal(num.toString());
+        } catch (NumberFormatException ex) {
+            return null;
+        }
+    }
+
+    static String routeLabel(InquiryTicket t) {
+        String o = StringUtils.trimToEmpty(t.getOrigin());
+        String d = StringUtils.trimToEmpty(t.getDestination());
+        if (StringUtils.isNotBlank(o) && StringUtils.isNotBlank(d)) {
+            return o + "-" + d;
+        }
+        if (StringUtils.isNotBlank(t.getBizTypeLabel())) {
+            return t.getBizTypeLabel().trim() + "全线";
+        }
+        String line = StringUtils.trimToEmpty(t.getBusinessLine()).toUpperCase(Locale.ROOT);
+        if ("AIR".equals(line)) {
+            return "空运全线";
+        }
+        if ("SEA".equals(line)) {
+            return "海运全线";
+        }
+        if ("LAND".equals(line)) {
+            return "陆运全线";
+        }
+        return "未分线路";
+    }
+
+    static String routeId(String label) {
+        String raw = StringUtils.trimToEmpty(label).toLowerCase(Locale.ROOT);
+        String id = raw.replaceAll("[^a-z0-9\\u4e00-\\u9fff]+", "-");
+        if (id.isEmpty()) {
+            return "route";
+        }
+        return id.length() > 48 ? id.substring(0, 48) : id;
+    }
+
+    private static LocalDate toLocalDate(Date time) {
+        if (time == null) {
+            return null;
+        }
+        return time.toInstant().atZone(ZONE).toLocalDate();
+    }
+
     private static boolean hasExc(String v) {
         return v != null && !v.trim().isEmpty() && !"-".equals(v.trim());
     }
@@ -166,9 +432,13 @@ public class InquiryDashboardServiceImpl implements IInquiryDashboardService {
         return m;
     }
 
+    /** 员工 roleCode → 看板筛选项 sales/route/product。 */
     private static String mapRankRole(String roleCode) {
-        if ("air".equals(roleCode) || "sea".equals(roleCode) || "land".equals(roleCode)) {
-            return "air".equals(roleCode) ? "route" : "product";
+        if ("air".equals(roleCode)) {
+            return "route";
+        }
+        if ("sea".equals(roleCode) || "land".equals(roleCode)) {
+            return "product";
         }
         return "sales";
     }
diff --git a/inquiry-api/jeecg-module-inquiry/src/test/java/org/jeecg/modules/inquiry/service/impl/InquiryDashboardServiceImplTest.java b/inquiry-api/jeecg-module-inquiry/src/test/java/org/jeecg/modules/inquiry/service/impl/InquiryDashboardServiceImplTest.java
new file mode 100644
index 0000000..b5b6145
--- /dev/null
+++ b/inquiry-api/jeecg-module-inquiry/src/test/java/org/jeecg/modules/inquiry/service/impl/InquiryDashboardServiceImplTest.java
@@ -0,0 +1,33 @@
+package org.jeecg.modules.inquiry.service.impl;
+
+import org.jeecg.modules.inquiry.entity.InquiryTicket;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.math.BigDecimal;
+
+/**
+ * 看板聚合辅助：金额解析与线路标签（不启 Spring）。
+ */
+public class InquiryDashboardServiceImplTest {
+
+    @Test
+    public void parseMoneyAcceptsCurrencyPrefix() {
+        Assert.assertEquals(new BigDecimal("14659.60"), InquiryDashboardServiceImpl.parseMoney("CNY 14659.60"));
+        Assert.assertEquals(new BigDecimal("1234.5"), InquiryDashboardServiceImpl.parseMoney("1,234.5"));
+        Assert.assertNull(InquiryDashboardServiceImpl.parseMoney("-"));
+        Assert.assertNull(InquiryDashboardServiceImpl.parseMoney(""));
+    }
+
+    @Test
+    public void routeLabelPrefersOdPair() {
+        InquiryTicket t = new InquiryTicket();
+        t.setOrigin("阿特伯");
+        t.setDestination("广州");
+        Assert.assertEquals("阿特伯-广州", InquiryDashboardServiceImpl.routeLabel(t));
+
+        InquiryTicket air = new InquiryTicket();
+        air.setBusinessLine("AIR");
+        Assert.assertEquals("空运全线", InquiryDashboardServiceImpl.routeLabel(air));
+    }
+}
diff --git a/inquiry-backend/src/views/inquiry/dashboard/index.vue b/inquiry-backend/src/views/inquiry/dashboard/index.vue
index 6d04d8a..b2df78e 100644
--- a/inquiry-backend/src/views/inquiry/dashboard/index.vue
+++ b/inquiry-backend/src/views/inquiry/dashboard/index.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 /**
  * 分析看板：对接主账 /inquiry/dashboard/metrics。
- * 指标 / 趋势 / 排名来自聚合接口；成本趋势本期主账未提供，展示空态不造假数。
+ * 指标 / 询价趋势 / 人员排名 / 成本趋势均来自主账聚合；禁止用 Mock 假线冒充生产。
  */
 import { computed, onMounted, onUnmounted, ref } from "vue";
 import { message } from "ant-design-vue";
@@ -13,8 +13,12 @@ const todayMetrics = ref<MetricCard[]>([]);
 const inquiryTrend = ref<InquiryPoint[]>([]);
 const rankingPeople = ref<RankingPerson[]>([]);
 const rankingDepts = ref<string[]>([]);
-/** 成本趋势主账暂无接口，保持空数组避免 Mock 假线。 */
+/** 成本趋势：主账 costRoutes（近 7 日线路均价）。 */
 const costRoutes = ref<CostRoute[]>([]);
+const costDateLabels = ref<string[]>([]);
+
+const COST_PLOT_TOP = 36;
+const COST_PLOT_BOTTOM = 186;
 
 const now = new Date();
 const isoDay = now.toISOString().slice(0, 10);
@@ -87,6 +91,15 @@ async function loadMetrics() {
     rankingDepts.value = Array.from(
       new Set(rankingPeople.value.map((p) => p.dept).filter((d) => d && d !== "-")),
     );
+
+    const dates: string[] = Array.isArray(data.costDates) && data.costDates.length
+      ? data.costDates.map((d: any) => String(d))
+      : inquiryTrend.value.map((p) => p.date);
+    costDateLabels.value = dates;
+    const rawRoutes = (data.costRoutes || []) as any[];
+    costRoutes.value = buildCostRouteViews(rawRoutes, dates);
+    selectedRoutes.value = costRoutes.value.map((r) => r.id);
+
     const t = new Date();
     const pad = (n: number) => String(n).padStart(2, "0");
     updatedTime.value = `${pad(t.getHours())}：${pad(t.getMinutes())}`;
@@ -97,6 +110,76 @@ async function loadMetrics() {
   }
 }
 
+/**
+ * 把主账 costRoutes.values 转成 SVG path + 数据点。
+ * 只有一天有金额时 path 只有 M 看不见线，必须画 points。
+ */
+function buildCostRouteViews(rawRoutes: any[], dates: string[]): CostRoute[] {
+  const n = Math.max(dates.length, 1);
+  const xs = dates.map((_, i) => (n === 1 ? 380 : 36 + (654 / (n - 1)) * i));
+  const parsed = rawRoutes.map((r) => {
+    const values = Array.isArray(r.values)
+      ? r.values.map((v: any) => (v == null || v === "" ? null : Number(v)))
+      : dates.map(() => null);
+    while (values.length < dates.length) values.push(null);
+    return {
+      id: String(r.id || r.label || "route"),
+      label: String(r.label || r.id || "线路"),
+      color: String(r.color || "#2563eb"),
+      values: values.slice(0, dates.length) as Array<number | null>,
+    };
+  });
+  const nums = parsed.flatMap((r) => r.values.filter((v): v is number => v != null && !Number.isNaN(v) && v > 0));
+  const max = Math.max(...nums, 1);
+  // 单点时 min==max 会压成一条横线贴顶/贴底，留 10% 边距更易看见
+  let min = nums.length ? Math.min(...nums) : 0;
+  if (nums.length && max - min < max * 0.05) {
+    min = Math.max(0, min - max * 0.1);
+  }
+  const range = Math.max(max - min, 1);
+  const plotH = COST_PLOT_BOTTOM - COST_PLOT_TOP;
+  const yFor = (v: number) => COST_PLOT_BOTTOM - ((v - min) / range) * plotH;
+  return parsed.map((r) => {
+    const points: Array<{ x: number; y: number; index: number }> = [];
+    r.values.forEach((v, i) => {
+      if (v == null || Number.isNaN(v)) return;
+      points.push({ x: xs[i], y: yFor(v), index: i });
+    });
+    return {
+      ...r,
+      path: pathFromValues(r.values, xs, yFor),
+      points,
+    };
+  });
+}
+
+/** 有值连线，无值断点（不造假插值）。 */
+function pathFromValues(
+  values: Array<number | null>,
+  xs: number[],
+  yFor: (v: number) => number,
+): string {
+  let d = "";
+  let started = false;
+  for (let i = 0; i < values.length; i++) {
+    const v = values[i];
+    if (v == null || Number.isNaN(v)) {
+      started = false;
+      continue;
+    }
+    const x = xs[i];
+    const y = yFor(v);
+    d += `${started ? "L" : "M"}${x.toFixed(1)} ${y.toFixed(1)} `;
+    started = true;
+  }
+  return d.trim();
+}
+
+function formatCost(v: number | null | undefined) {
+  if (v == null || Number.isNaN(v)) return "-";
+  return v.toLocaleString("zh-CN", { maximumFractionDigits: 2 });
+}
+
 const inquirySvg = computed(() => {
   const points = inquiryTrend.value.length
     ? inquiryTrend.value
@@ -128,7 +211,30 @@ const rankingRows = computed(() => {
   return rows.sort((a, b) => b.volumeNum - a.volumeNum || a.name.localeCompare(b.name, "zh-CN"));
 });
 
-const costDates = computed(() => inquiryTrend.value.map((p) => p.date));
+const costDates = computed(() =>
+  costDateLabels.value.length ? costDateLabels.value : inquiryTrend.value.map((p) => p.date),
+);
+
+const costSampleDays = computed(() => {
+  const set = new Set<string>();
+  for (const r of costRoutes.value) {
+    r.values.forEach((v, i) => {
+      if (v != null && !Number.isNaN(v) && costDates.value[i]) set.add(costDates.value[i]);
+    });
+  }
+  return [...set];
+});
+
+const costFootnote = computed(() => {
+  if (!costRoutes.value.length) {
+    return "近 7 日暂无带金额的工单，有报价后将显示线路成本趋势";
+  }
+  const days = costSampleDays.value;
+  if (!days.length) {
+    return "已选线路在近 7 日无金额样本";
+  }
+  return `成本来自主账工单（成本价优先，缺省销售价）；有金额日期：${days.join("、")}，其余日悬停为 —`;
+});
 const costXs = computed(() => {
   const n = Math.max(costDates.value.length, 1);
   return costDates.value.map((_, i) => (n === 1 ? 380 : 36 + (654 / (n - 1)) * i));
@@ -180,17 +286,15 @@ function hideInquiryTip() {
   chartTip.value.visible = false;
 }
 
-function showCostTip(date: string, x: number, wrapEl: HTMLElement | null) {
+function showCostTip(date: string, x: number, dateIndex: number, wrapEl: HTMLElement | null) {
   if (!wrapEl) return;
   const box = wrapEl.getBoundingClientRect();
   const routes = filteredRoutes.value;
   const lines =
     routes.length === 0
       ? ["未选择线路"]
-      : [
-          ...routes.slice(0, 3).map((r) => r.label),
-          ...(routes.length > 3 ? [`等 ${routes.length} 条`] : []),
-        ];
+      : routes.slice(0, 6).map((r) => `${r.label}: ${formatCost(r.values[dateIndex])}`);
+  if (routes.length > 6) lines.push(`等 ${routes.length} 条`);
   costTip.value = {
     visible: true,
     left: `${(x / 760) * box.width}px`,
@@ -434,11 +538,24 @@ onUnmounted(() => document.removeEventListener("click", onDocClick));
                 stroke-linecap="round"
                 stroke-linejoin="round"
               />
+              <!-- 有金额的日子画点：近 7 日往往只有一两天有价，单点折线不可见 -->
+              <g v-for="r in filteredRoutes" :key="'pts-' + r.id">
+                <circle
+                  v-for="p in r.points"
+                  :key="r.id + '-' + p.index"
+                  :cx="p.x"
+                  :cy="p.y"
+                  r="4"
+                  :fill="r.color"
+                  stroke="#ffffff"
+                  stroke-width="2"
+                />
+              </g>
               <g
                 v-for="(x, i) in costXs"
                 :key="'cx-' + costDates[i]"
                 class="cost-point"
-                @mouseenter="showCostTip(costDates[i], x, costWrap)"
+                @mouseenter="showCostTip(costDates[i], x, i, costWrap)"
                 @mouseleave="hideCostTip"
               >
                 <rect :x="x - 40" y="28" width="80" height="165" fill="transparent" style="cursor: pointer" />
@@ -458,7 +575,7 @@ onUnmounted(() => document.removeEventListener("click", onDocClick));
               </div>
             </div>
             <div class="dash-cost-footnote">
-              {{ costRoutes.length ? "成本数据来源于 TMS" : "成本趋势主账暂未开放，待接口就绪后展示" }}
+              {{ costFootnote }}
             </div>
           </div>
         </div>
diff --git a/inquiry-backend/src/views/inquiry/mock/dashboard.ts b/inquiry-backend/src/views/inquiry/mock/dashboard.ts
index 5e20da1..2f80d62 100644
--- a/inquiry-backend/src/views/inquiry/mock/dashboard.ts
+++ b/inquiry-backend/src/views/inquiry/mock/dashboard.ts
@@ -23,7 +23,12 @@ export type CostRoute = {
   id: string;
   label: string;
   color: string;
+  /** 与 costDates 对齐；某日无样本为 null */
+  values: Array<number | null>;
+  /** 前端根据 values 生成的 SVG path */
   path: string;
+  /** 有金额的日子画点（仅一天有数时折线不可见，靠点可见） */
+  points: Array<{ x: number; y: number; index: number }>;
 };
 
 /** 今日视角九指标（与原型默认展示一致） */
@@ -78,23 +83,14 @@ export const rankingDepts = [
   "陆运产品部",
 ];
 
-/** 成本趋势折线：路径坐标对齐原型 SVG */
+/** 成本趋势折线：路径坐标对齐原型 SVG（仅作样式参考；正式数据来自主账） */
 export const costRoutes: CostRoute[] = [
-  { id: "cgo-kul", label: "CGO-KUL", color: "#2563eb", path: "M36 56 L145 51 L254 61 L363 46 L472 50 L581 41 L690 36" },
-  { id: "szx-kul", label: "SZX-KUL", color: "#3b82f6", path: "M36 64 L145 59 L254 69 L363 54 L472 59 L581 49 L690 44" },
-  { id: "hkg-kul", label: "HKG-KUL", color: "#0891b2", path: "M36 71 L145 66 L254 75 L363 61 L472 66 L581 56 L690 51" },
-  { id: "nkg-kul", label: "NKG-KUL", color: "#0e7490", path: "M36 79 L145 74 L254 81 L363 69 L472 74 L581 64 L690 59" },
-  { id: "hkg-del", label: "HKG-DEL", color: "#6366f1", path: "M36 86 L145 81 L254 89 L363 76 L472 81 L581 71 L690 66" },
-  { id: "cgo-maa", label: "CGO-MAA", color: "#8b5cf6", path: "M36 94 L145 89 L254 96 L363 84 L472 89 L581 79 L690 74" },
-  { id: "cgo-blr", label: "CGO-BLR", color: "#a855f7", path: "M36 101 L145 96 L254 104 L363 91 L472 96 L581 86 L690 81" },
-  { id: "zuh-crk", label: "ZUH-CRK", color: "#c026d3", path: "M36 109 L145 104 L254 111 L363 99 L472 104 L581 94 L690 89" },
-  { id: "wnz-cgk", label: "WNZ-CGK", color: "#db2777", path: "M36 116 L145 111 L254 119 L363 106 L472 111 L581 101 L690 96" },
-  { id: "bkk", label: "BKK", color: "#e11d48", path: "M36 124 L145 119 L254 126 L363 114 L472 119 L581 109 L690 104" },
-  { id: "waicai", label: "外采-空运", color: "#dc2626", path: "M36 131 L145 126 L254 134 L363 121 L472 126 L581 116 L690 111" },
-  { id: "quanxian", label: "全线", color: "#ea580c", path: "M36 139 L145 134 L254 141 L363 129 L472 134 L581 124 L690 119" },
-  { id: "haiyun", label: "海运全线", color: "#d97706", path: "M36 150 L145 146 L254 154 L363 144 L472 141 L581 136 L690 131" },
-  { id: "zhonggang", label: "中港/中亚/中欧", color: "#65a30d", path: "M36 159 L145 156 L254 163 L363 154 L472 151 L581 146 L690 141" },
-  { id: "changtu", label: "国内长途/零担", color: "#0d9488", path: "M36 169 L145 166 L254 173 L363 164 L472 161 L581 159 L690 154" },
-  { id: "chengpei", label: "国内城配/拖车/打包", color: "#059669", path: "M36 179 L145 176 L254 181 L363 174 L472 171 L581 169 L690 164" },
-  { id: "dongnan", label: "东南亚", color: "#0284c7", path: "M36 186 L145 184 L254 189 L363 181 L472 179 L581 176 L690 171" },
+  {
+    id: "cgo-kul",
+    label: "CGO-KUL",
+    color: "#2563eb",
+    values: [120, 118, 125, 110, 115, 105, 100],
+    path: "M36 56 L145 51 L254 61 L363 46 L472 50 L581 41 L690 36",
+    points: [],
+  },
 ];