Lock modal and only allow vertical scrolling

supply.html

@@ -461,8 +461,8 @@
             flex-direction: column;
             z-index: 1000;
             overflow: hidden;
-            /* 防止iOS滚动穿透和模态框拖动 */
-            touch-action: none;
+            /* 防止iOS滚动穿透和模态框拖动，只允许垂直滑动 */
+            touch-action: pan-y;
             /* 防止拖动 */
             user-select: none;
             -webkit-user-select: none;
@@ -478,18 +478,19 @@
             background-color: white;
             width: 100%;
             height: 100%;
-            max-width: none;
+            max-width: 100%;
             max-height: none;
             border-radius: 0;
             overflow: hidden;
+            overflow-x: hidden;
             box-shadow: none;
             display: flex;
             flex-direction: column;
             /* 启用iOS原生滚动 */
             -webkit-overflow-scrolling: touch;
             overscroll-behavior: contain;
-            /* 允许触摸操作 */
-            touch-action: auto;
+            /* 只允许垂直触摸操作 */
+            touch-action: pan-y;
             /* 允许内容选择 */
             user-select: auto;
             -webkit-user-select: auto;
@@ -500,11 +501,12 @@
         .modal-body {
             flex: 1;
             overflow-y: auto;
+            overflow-x: hidden;
             /* 启用iOS原生滚动 */
             -webkit-overflow-scrolling: touch;
             overscroll-behavior: contain;
-            /* 允许触摸操作 */
-            touch-action: auto;
+            /* 只允许垂直触摸操作 */
+            touch-action: pan-y;
         }
         
         /* iOS滚动穿透修复 */
@@ -6005,6 +6007,16 @@
             
             // 定义触摸事件监听器
             touchMoveListener = function(e) {
+                // 计算水平和垂直滑动距离
+                const deltaX = Math.abs(e.touches[0].pageX - e.changedTouches[0].pageX);
+                const deltaY = Math.abs(e.touches[0].pageY - e.changedTouches[0].pageY);
+                
+                // 阻止水平滑动
+                if (deltaX > deltaY) {
+                    e.preventDefault();
+                    return;
+                }
+                
                 // 获取触摸目标
                 const target = e.target;
                 const createSupplyModal = document.getElementById('createSupplyModal');