修改滚动的js

application/views/mobile_first/ch.php

@@ -567,7 +567,7 @@ bottom: 75px;
 <div class="bottomlogo">© 1998-2026 Highlights Travel Co., Ltd. <br>All rights reserved. </div>
 </footer>
 
-<!--  <script>
+  <script>
     (function (w, d, i) {
     function debounce(func, wait) {
         let timeout;
@@ -579,11 +579,17 @@ bottom: 75px;
         };
     }
 
-      var navbar = d.getElementById(i);
-      var prevScrollpos = w.pageYOffset;
+    const menuEl = document.getElementById("ml-menu");
+    const navbar = d.getElementById(i);
+    let prevScrollpos = w.pageYOffset;
     w.onscroll = debounce(function () {
-        var currentScrollPos = w.pageYOffset;
-        if (Math.abs(currentScrollPos - prevScrollpos) > 5) { // 滚动阈值
+        const isMenuOpen = menuEl.classList.contains("menu--open");
+        if (isMenuOpen) {
+        navbar.style.top = '0';
+        return; 
+        }
+        const currentScrollPos = w.pageYOffset;
+        if (Math.abs(currentScrollPos - prevScrollpos) > 5) {
         if (prevScrollpos > currentScrollPos) {
             navbar.style.top = '0';
         } else {
@@ -591,10 +597,10 @@ bottom: 75px;
         }
         prevScrollpos = currentScrollPos;
         }
-      }, 25) // 防止快速滚动时频繁触发
+    }, 25);
     })(window, document, 'header');
   </script>
-  -->
+ 
   <script>/* memu js https://data.chinahighlights.com/js/mobile-menu.js */
     (function (window) { function classReg(className) { return new RegExp("(^|\\s+)" + className + "(\\s+|$)") } var hasClass, addClass, removeClass; if ("classList" in document.documentElement) { hasClass = function (elem, c) { return elem.classList.contains(c) }; addClass = function (elem, c) { elem.classList.add(c) }; removeClass = function (elem, c) { elem.classList.remove(c) } } else { hasClass = function (elem, c) { return classReg(c).test(elem.className) }; addClass = function (elem, c) { if (!hasClass(elem, c)) { elem.className = elem.className + " " + c } }; removeClass = function (elem, c) { elem.className = elem.className.replace(classReg(c), " ") } } function toggleClass(elem, c) { var fn = hasClass(elem, c) ? removeClass : addClass; fn(elem, c) } var classie = { hasClass: hasClass, addClass: addClass, removeClass: removeClass, toggleClass: toggleClass, has: hasClass, add: addClass, remove: removeClass, toggle: toggleClass }; if (typeof define === "function" && define.amd) { define(classie) } else { if (typeof exports === "object") { module.exports = classie } else { window.classie = classie } } })(window);
     !function (e, n, t) {