优化数量和成本价格输入框布局，确保在同一行同一水平线上显示

supply.html

@@ -1231,7 +1231,7 @@
             
             /* 调整手机端规格-件数-价格对的布局 */
             .spec-quantity-pair {
-                flex-direction: column;
+                flex-wrap: wrap;
                 align-items: stretch;
             }
             
@@ -1243,6 +1243,7 @@
             /* 件数和采购价在手机端显示为一行 */
             .quantity-input,
             .costprice-input {
+                flex: 1;
                 width: calc(50% - 5px);
                 margin-bottom: 0;
             }
@@ -1331,7 +1332,7 @@
         
         .spec-quantity-pair {
             display: flex;
-            align-items: center;
+            flex-wrap: wrap;
             gap: 10px;
             background-color: #fafafa;
             padding: 10px;
@@ -1339,22 +1340,22 @@
             border: 1px solid #f0f0f0;
         }
         
-        /* 调整件数和采购价的排列，让它们在所有设备上都能在一行显示 */
-        .spec-quantity-pair {
-            flex-wrap: wrap;
-        }
-        
         .spec-value {
             flex: 1;
             min-width: 100%;
         }
         
+        /* 件数和采购价的容器 */
+        .quantity-cost-container {
+            display: flex;
+            gap: 10px;
+            width: 100%;
+        }
+        
         .quantity-input,
         .costprice-input {
             flex: 1;
-            min-width: calc(50% - 5px);
+            width: 50%;
-            width: calc(50% - 5px);
-            display: inline-block;
         }
         
         .spec-value {
@@ -1368,9 +1369,12 @@
             cursor: pointer;
         }
         
-        .quantity-input {
+        .quantity-input,
-            width: 120px;
+        .costprice-input {
+            width: calc(50% - 5px);
             background-color: white;
+            height: 40px;
+            box-sizing: border-box;
         }
         
         .add-spec-quantity-btn {
@@ -3393,8 +3397,10 @@
             pair.className = 'spec-quantity-pair';
             pair.innerHTML = `
                 <input type="text" class="spec-value" placeholder="请选择规格" readonly onclick="showSpecSelectModalForPair(this, 'pair')">
-                <input type="text" class="form-input quantity-input" placeholder="请输入件数" onwheel="this.blur()">
+                <div class="quantity-cost-container">
-                <input type="text" class="form-input costprice-input" placeholder="请输入采购价" onwheel="this.blur()">
+                    <input type="text" class="form-input quantity-input" placeholder="请输入件数" onwheel="this.blur()">
+                    <input type="text" class="form-input costprice-input" placeholder="请输入采购价" onwheel="this.blur()">
+                </div>
                 <input type="text" class="form-input spec-status-input" placeholder="规格状态" value="0" onwheel="this.blur()" style="width: 120px; display: none;" readonly>
                 <button type="button" class="remove-quantity-btn" onclick="removeSpecQuantityPair(this)">×</button>
             `;