diff --git a/src/views/order/intention/Step2.vue b/src/views/order/intention/Step2.vue
index e301ad1..c71eb03 100644
--- a/src/views/order/intention/Step2.vue
+++ b/src/views/order/intention/Step2.vue
@@ -87,6 +87,33 @@
               </div>
             </el-card>
           </div>
+          <!-- 参数对比弹窗 -->
+          <el-dialog v-model="compareDialogVisible" title="参数对比" width="60%" top="40px" :close-on-click-modal="false">
+            <div class="compare-dialog-cards">
+              <el-card
+                v-for="item in selectedCompareList"
+                :key="item.code"
+                class="compare-card"
+              >
+                <img :src="item.image" class="compare-card-img" />
+                <div class="compare-card-info">
+                  <div class="compare-card-name">{{ item.label }}</div>
+                  <div class="compare-card-code">{{ item.code }}</div>
+                </div>
+              </el-card>
+            </div>
+            <div class="compare-table-wrap">
+              <el-table :data="compareTableData" border style="width: 100%">
+                <el-table-column prop="param" label="差异参数" width="180" />
+                <el-table-column
+                  v-for="item in selectedCompareList"
+                  :key="item.code"
+                  :label="item.code"
+                  :prop="item.code"
+                />
+              </el-table>
+            </div>
+          </el-dialog>
         </div>
         <div v-else>
           <div class="step">
@@ -591,8 +618,49 @@ function onQuery() {
   showQueryResult.value = true;
 }
 
+const compareDialogVisible = ref(false);
+const selectedCompareList = computed(() => queryResultList.value.filter(i => i.selected));
+
+const compareTableData = ref([
+  {
+    param: "动车组联轴节",
+    D310000000030: "鼓形齿式",
+    D310000000031: "鼓形齿式",
+    D310000000032: "齿式",
+  },
+  {
+    param: "O形橡胶密封圈",
+    D310000000030: "A.2耐用型",
+    D310000000031: "A.1耐热型",
+    D310000000032: "A.2耐用型",
+  },
+  {
+    param: "齿轮箱组成",
+    D310000000030: "不带联轴节",
+    D310000000031: "带联轴节",
+    D310000000032: "带联轴节",
+  },
+  {
+    param: "碳刷",
+    D310000000030: "耐热",
+    D310000000031: "耐用",
+    D310000000032: "耐热",
+  },
+  {
+    param: "齿轮箱温度传感器",
+    D310000000030: "耐热",
+    D310000000031: "耐热",
+    D310000000032: "耐寒",
+  },
+]);
+
 function onCompare() {
-  // 参数对比逻辑
+  // 只弹出已选卡片
+  if (selectedCompareList.value.length === 0) {
+    ElMessage.warning("请先选择要对比的卡片");
+    return;
+  }
+  compareDialogVisible.value = true;
 }
 </script>
 
@@ -1011,4 +1079,38 @@ function onCompare() {
   font-size: 13px;
   color: #888;
 }
+.compare-dialog-cards {
+  display: flex;
+  gap: 32px;
+  margin-bottom: 24px;
+}
+.compare-card {
+  width: 220px;
+  text-align: center;
+  box-sizing: border-box;
+}
+.compare-card-img {
+  width: 100%;
+  height: 120px;
+  object-fit: contain;
+  border-radius: 4px;
+  border: 1px solid #eee;
+  margin-bottom: 12px;
+}
+.compare-card-info {
+  text-align: center;
+}
+.compare-card-name {
+  font-size: 15px;
+  color: #333;
+  font-weight: 500;
+  margin-bottom: 4px;
+}
+.compare-card-code {
+  font-size: 13px;
+  color: #888;
+}
+.compare-table-wrap {
+  margin-top: 16px;
+}
 </style>
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