修复视频预览时无法滑动切换的问题

supply.html

@@ -6480,6 +6480,12 @@
             previewImage.addEventListener('touchmove', handleTouchMove, { passive: false });
             previewImage.addEventListener('touchend', handleTouchEnd);
             
+            // 为视频元素也添加触摸事件支持
+            const previewVideo = document.getElementById('previewVideo');
+            previewVideo.addEventListener('touchstart', handleTouchStart, { passive: false });
+            previewVideo.addEventListener('touchmove', handleTouchMove, { passive: false });
+            previewVideo.addEventListener('touchend', handleTouchEnd);
+            
             // 点击背景关闭预览
             previewModal.addEventListener('click', function(e) {
                 if (e.target === previewModal) {
@@ -6631,9 +6637,9 @@
                 const swipeDistanceY = swipeEndY - swipeStartY;
                 
                 // 判断是否为有效滑动（水平滑动，距离足够，时间不太长）
-                const isHorizontalSwipe = Math.abs(swipeDistanceX) > Math.abs(swipeDistanceY) * 2;
+                const isHorizontalSwipe = Math.abs(swipeDistanceX) > Math.abs(swipeDistanceY) * 1.5;
-                const isSignificantSwipe = Math.abs(swipeDistanceX) > 50;
+                const isSignificantSwipe = Math.abs(swipeDistanceX) > 30; // 降低滑动距离阈值，从50px改为30px
-                const isQuickSwipe = duration < 500;
+                const isQuickSwipe = duration < 1000; // 放宽滑动时间限制，从500ms改为1000ms
                 
                 if (isHorizontalSwipe && isSignificantSwipe && isQuickSwipe) {
                     if (swipeDistanceX > 0) {