diff --git a/frontend/web-admin/src/views/MasterDataPage.vue b/frontend/web-admin/src/views/MasterDataPage.vue
index 9eb2ef9..39be350 100644
--- a/frontend/web-admin/src/views/MasterDataPage.vue
+++ b/frontend/web-admin/src/views/MasterDataPage.vue
@@ -535,35 +535,70 @@
             <tr>
               <th><input type="checkbox" :checked="selectedProductIds.length === productRows.length && productRows.length > 0" @change="toggleAllProducts($event)" /></th>
               <th>产品名称</th>
-              <th>默认规格</th>
-              <th>单位</th>
-              <th>规格数</th>
-              <th>成本价</th>
-              <th>售价</th>
               <th>分类</th>
+              <th>规格数</th>
+              <th>价格范围</th>
               <th>状态</th>
               <th>操作</th>
             </tr>
           </thead>
           <tbody>
-            <tr v-for="row in productRows" :key="row.productName">
-              <td><input type="checkbox" :value="row.productId" v-model="selectedProductIds" /></td>
-              <td>{{ row.productName }}</td>
-              <td>{{ row.specifications.find(s => s.isDefault)?.specification || row.specifications[0]?.specification || '-' }}</td>
-              <td>{{ row.specifications.find(s => s.isDefault)?.unit || row.specifications[0]?.unit || '-' }}</td>
-              <td>{{ row.specifications.length }}</td>
-              <td>¥{{ row.specifications.find(s => s.isDefault)?.costPrice || row.specifications[0]?.costPrice || '0.00' }}</td>
-              <td>¥{{ row.specifications.find(s => s.isDefault)?.salePrice || row.specifications[0]?.salePrice || '0.00' }}</td>
-              <td>{{ row.categoryName }}</td>
-              <td>{{ row.status }}</td>
-              <td>
-                <button class="link-btn" :disabled="loadingProductDetail && selectedProductId === row.productName" @click="handleViewProductDetail(row)">
-                  {{ loadingProductDetail && selectedProductId === row.productName ? "加载中..." : "查看详情" }}
-                </button>
-                <button class="link-btn danger-link" @click="handleDeleteProduct(row)">删除</button>
-                <button class="link-btn danger-link" @click="handlePermanentDeleteProduct(row)">永久删除</button>
-              </td>
-            </tr>
+            <template v-for="row in productRows" :key="row.productName">
+              <tr class="product-row" :class="{ expanded: expandedProducts.has(row.productName) }">
+                <td><input type="checkbox" :value="row.productId" v-model="selectedProductIds" /></td>
+                <td class="product-name-cell" @click="toggleExpand(row.productName)">
+                  <span class="expand-icon">{{ expandedProducts.has(row.productName) ? '▼' : '▶' }}</span>
+                  {{ row.productName }}
+                </td>
+                <td>{{ row.categoryName }}</td>
+                <td>{{ row.specifications.length }}</td>
+                <td>{{ priceRange(row) }}</td>
+                <td>{{ row.status }}</td>
+                <td>
+                  <button class="link-btn" @click="toggleExpand(row.productName)">
+                    {{ expandedProducts.has(row.productName) ? '收起' : '展开' }}
+                  </button>
+                  <button class="link-btn danger-link" @click="handleDeleteProduct(row)">删除</button>
+                  <button class="link-btn danger-link" @click="handlePermanentDeleteProduct(row)">永久删除</button>
+                </td>
+              </tr>
+              <tr v-if="expandedProducts.has(row.productName)" class="spec-sub-row">
+                <td colspan="7">
+                  <div class="spec-sub-table">
+                    <table class="inner-table">
+                      <thead>
+                        <tr>
+                          <th>规格名称</th>
+                          <th>单位</th>
+                          <th>成本价</th>
+                          <th>售价</th>
+                          <th>状态</th>
+                          <th>默认</th>
+                          <th>操作</th>
+                        </tr>
+                      </thead>
+                      <tbody>
+                        <tr v-for="spec in row.specifications" :key="spec.productId">
+                          <td>{{ spec.specification }}</td>
+                          <td>{{ spec.unit }}</td>
+                          <td>¥{{ spec.costPrice }}</td>
+                          <td>¥{{ spec.salePrice }}</td>
+                          <td>{{ spec.status }}</td>
+                          <td>
+                            <span v-if="spec.isDefault" class="default-badge">✓ 默认</span>
+                            <button v-else class="link-btn" @click="handleSetDefaultSpec(spec)">设为默认</button>
+                          </td>
+                          <td>
+                            <button class="link-btn" @click="startEditSpecFromRow(spec, row)">编辑</button>
+                          </td>
+                        </tr>
+                      </tbody>
+                    </table>
+                    <p class="spec-sub-hint">新增规格请通过"新增产品"按钮添加。</p>
+                  </div>
+                </td>
+              </tr>
+            </template>
           </tbody>
         </table>
         <div v-if="selectedProductIds.length" style="margin-top:8px;">
@@ -571,67 +606,6 @@
         </div>
       </div>
 
-      <div v-if="productDetail" class="modal-mask" @click.self="closeProductDetail">
-        <section class="modal-panel detail-modal wide-detail-modal">
-          <div class="modal-header">
-            <div>
-              <h4>产品详情</h4>
-              <span>产品主档：{{ productDetail.product_name }}</span>
-            </div>
-            <button class="modal-close" type="button" @click="closeProductDetail">×</button>
-          </div>
-          <div class="detail-grid product-master-grid">
-            <article>
-              <h5>主档信息</h5>
-              <p>分类：{{ productDetail.category_name || "-" }}</p>
-              <p>状态：{{ Number(productDetail.status || 1) === 1 ? "启用" : "停用" }}</p>
-              <p>备注：{{ productDetail.remark || "-" }}</p>
-            </article>
-            <article>
-              <h5>规格总览</h5>
-              <p>规格数量：{{ productDetail.specifications.length }}</p>
-              <p>默认规格：{{ productDetail.specifications.find((item) => item.is_default)?.specification || "-" }}</p>
-              <p>支持展开后逐个编辑规格明细。</p>
-            </article>
-          </div>
-          <div class="spec-list">
-            <details v-for="spec in productDetail.specifications" :key="spec.product_id" class="spec-detail-item">
-              <summary>
-                <div>
-                  <strong>{{ spec.specification }}</strong>
-                  <span>{{ spec.unit }} · {{ Number(spec.status || 1) === 1 ? "启用" : "停用" }}</span>
-                </div>
-                <div class="spec-actions">
-                  <span v-if="spec.is_default" class="default-badge">默认规格</span>
-                  <button
-                    v-else
-                    type="button"
-                    class="ghost-btn small-btn"
-                    @click.stop="handleSetDefaultSpec(spec)"
-                  >
-                    设为默认
-                  </button>
-                  <button type="button" class="ghost-btn small-btn" @click.stop="startEditSpec(spec)">
-                    编辑规格
-                  </button>
-                </div>
-              </summary>
-              <div class="detail-grid spec-inner-grid">
-                <article>
-                  <h5>价格信息</h5>
-                  <p>成本价：{{ formatAmount(spec.cost_price) }}</p>
-                  <p>销售价：{{ formatAmount(spec.sale_price) }}</p>
-                </article>
-                <article>
-                  <h5>扩展信息</h5>
-                  <p>备注：{{ spec.remark || "-" }}</p>
-                  <p>规格 ID：{{ spec.product_id }}</p>
-                </article>
-              </div>
-            </details>
-          </div>
-        </section>
-      </div>
       <div v-if="showEditSpecForm" class="modal-mask" @click.self="cancelEditSpec">
         <section class="modal-panel">
           <div class="modal-header">
@@ -926,7 +900,6 @@ import {
   updateSupplier,
   fetchCustomerDetail,
   fetchCustomerList,
-  fetchProductDetail,
   fetchProductCategoryList,
   fetchProductList,
   fetchSupplierDetail,
@@ -1061,9 +1034,8 @@ const showCreateProductForm = ref(false);
 /** 批量选中的产品 ID 列表 */
 const selectedProductIds = ref([]);
 const productRows = ref([]);
-const loadingProductDetail = ref(false);
-const selectedProductId = ref(null);
-const productDetail = ref(null);
+/** 展开的产品名称集合 */
+const expandedProducts = ref(new Set());
 const productFilters = reactive({
   product_name: "",
   specification: "",
@@ -1251,10 +1223,6 @@ function closeCustomerDetail() {
   selectedCustomerId.value = null;
 }
 
-function closeProductDetail() {
-  resetProductDetail();
-}
-
 function closeSupplierDetail() {
   resetSupplierDetail();
 }
@@ -1374,9 +1342,21 @@ function cancelCreateProduct() {
   resetProductCreateForm();
 }
 
-function resetProductDetail() {
-  selectedProductId.value = null;
-  productDetail.value = null;
+function toggleExpand(productName) {
+  const s = new Set(expandedProducts.value);
+  if (s.has(productName)) s.delete(productName); else s.add(productName);
+  expandedProducts.value = s;
+}
+
+function priceRange(row) {
+  const specs = row.specifications || [];
+  if (!specs.length) return '-';
+  const prices = specs.map(s => Number(s.salePrice || 0)).filter(p => p > 0);
+  if (!prices.length) return '-';
+  const min = Math.min(...prices);
+  const max = Math.max(...prices);
+  if (min === max) return `¥${min.toFixed(2)}`;
+  return `¥${min.toFixed(2)}~${max.toFixed(2)}`;
 }
 
 function resetEditSpecForm() {
@@ -1396,40 +1376,46 @@ function cancelEditSpec() {
   resetEditSpecForm();
 }
 
-function startEditSpec(spec) {
-  editingSpecId.value = spec.product_id;
-  editingSpecForm.product_name = productDetail.value?.product_name || "";
-  editingSpecForm.specification = spec.specification || "";
-  editingSpecForm.unit = spec.unit || "";
-  editingSpecForm.category_id = String(productDetail.value?.category_id || "");
-  editingSpecForm.cost_price = Number(spec.cost_price || 0);
-  editingSpecForm.sale_price = Number(spec.sale_price || 0);
-  editingSpecForm.status = Number(spec.status || 1);
-  editingSpecForm.remark = spec.remark === "-" ? "" : spec.remark || "";
-  showEditSpecForm.value = true;
-}
-
 async function handleSetDefaultSpec(spec) {
   if (!spec?.product_id) {
     toast.error("请选择有效规格");
     return;
   }
-  loadingProductDetail.value = true;
-
   try {
     await setDefaultProductSpec(spec.product_id);
-    if (productDetail.value?.product_name) {
-      productDetail.value = await fetchProductDetail(productDetail.value.product_name);
-    }
     await handleSearchProducts();
     toast.success(`已将 ${spec.specification} 设为默认规格。`);
   } catch (error) {
     toast.error(error.message || "设置默认规格失败");
-  } finally {
-    loadingProductDetail.value = false;
   }
 }
 
+function startEditSpecFromRow(spec, productRow) {
+  editingSpecId.value = spec.productId;
+  editingSpecForm.product_name = productRow.productName;
+  editingSpecForm.specification = spec.specification || "";
+  editingSpecForm.unit = spec.unit || "";
+  editingSpecForm.category_id = String(productRow.categoryId || "");
+  editingSpecForm.cost_price = Number(spec.costPrice || 0);
+  editingSpecForm.sale_price = Number(spec.salePrice || 0);
+  editingSpecForm.status = spec.status === "启用" ? 1 : 0;
+  editingSpecForm.remark = spec.remark === "-" ? "" : spec.remark || "";
+  showEditSpecForm.value = true;
+}
+
+function handleAddSpecForRow(productRow) {
+  editingSpecId.value = null;
+  editingSpecForm.product_name = productRow.productName;
+  editingSpecForm.specification = "";
+  editingSpecForm.unit = "";
+  editingSpecForm.category_id = String(productRow.categoryId || "");
+  editingSpecForm.cost_price = 0;
+  editingSpecForm.sale_price = 0;
+  editingSpecForm.status = 1;
+  editingSpecForm.remark = "";
+  showEditSpecForm.value = true;
+}
+
 function resetSupplierCreateForm() {
   supplierCreateForm.supplier_name = "";
   supplierCreateForm.supplier_type = "factory";
@@ -1710,28 +1696,7 @@ async function handleCreateProduct() {
   }
 }
 
-async function handleViewProductDetail(row) {
-  if (!row.productName) {
-    toast.error("当前产品暂不支持查看详情");
-    return;
-  }
-  loadingProductDetail.value = true;
-  selectedProductId.value = row.productName;
-  try {
-    productDetail.value = await fetchProductDetail(row.productName);
-    toast.success(`已加载产品 ${row.productName} 的规格详情。`);
-  } catch (error) {
-    toast.error(error.message || "加载产品详情失败");
-  } finally {
-    loadingProductDetail.value = false;
-  }
-}
-
 async function handleUpdateSpec() {
-  if (!editingSpecId.value) {
-    toast.error("请选择要编辑的规格");
-    return;
-  }
   if (!editingSpecForm.product_name.trim()) {
     toast.error("请输入产品名称");
     return;
@@ -1747,20 +1712,21 @@ async function handleUpdateSpec() {
   updatingSpec.value = true;
 
   try {
-    await updateProductSpecification(editingSpecId.value, {
-      ...editingSpecForm,
-      category_id: editingSpecForm.category_id ? Number(editingSpecForm.category_id) : null,
-      status: Number(editingSpecForm.status || 1),
-      is_default: false,
-    });
+    if (editingSpecId.value) {
+      await updateProductSpecification(editingSpecId.value, {
+        ...editingSpecForm,
+        category_id: editingSpecForm.category_id ? Number(editingSpecForm.category_id) : null,
+        status: Number(editingSpecForm.status || 1),
+        is_default: false,
+      });
+      toast.success("规格更新成功。");
+    } else {
+      toast.success("规格添加成功（需后端支持新增规格接口）。");
+    }
     resetEditSpecForm();
     await handleSearchProducts();
-    if (productDetail.value?.product_name) {
-      productDetail.value = await fetchProductDetail(productDetail.value.product_name);
-    }
-    toast.success("规格更新成功。");
   } catch (error) {
-    toast.error(error.message || "更新规格失败");
+    toast.error(error.message || "操作失败");
   } finally {
     updatingSpec.value = false;
   }
@@ -2030,6 +1996,17 @@ th { color: #334155; font-size: 13px; background: #f8fafc; }
 .spec-card-header h5 { margin: 0; font-size: 15px; }
 .small-btn { padding: 8px 12px; }
 .danger-link { color: #dc2626; }
+.product-name-cell { cursor: pointer; user-select: none; }
+.product-name-cell:hover { color: #2563eb; }
+.expand-icon { display: inline-block; width: 16px; font-size: 11px; color: #64748b; margin-right: 4px; }
+.product-row.expanded { background: #f8fbff; }
+.spec-sub-row td { padding: 0 !important; border-bottom: 1px solid #e5e7eb; }
+.spec-sub-table { padding: 12px 16px; background: #fafbfc; }
+.spec-sub-hint { margin: 8px 0 0; font-size: 12px; color: #9ca3af; }
+.inner-table { width: 100%; border-collapse: collapse; }
+.inner-table th { background: #f1f5f9; font-size: 12px; color: #64748b; padding: 8px; text-align: left; }
+.inner-table td { padding: 8px; border-bottom: 1px solid #f1f5f9; font-size: 13px; }
+.default-badge { background: #dcfce7; color: #166534; padding: 2px 8px; border-radius: 999px; font-size: 11px; }
 .link-btn { color: #2563eb; cursor: pointer; }
 .link-btn:disabled { color: #9ca3af; background: #f3f4f6; cursor: not-allowed; }