修改教师课程侧滑显示动画

Html/static/js/teacherboard.js

@@ -21,14 +21,15 @@ function openCourseDetails(courseId) {
     const courseDetails = document.getElementById('courseDetails');
     const courseTitle = document.getElementById('course-title');
     courseTitle.textContent = "课程名称: " + courseId; // 假设这里显示课程ID，实际情况应该是课程名称
-    courseDetails.style.display = 'block';
+    
+    courseDetails.classList.add('open');
 
     // 获取章节数据并渲染
     renderChapters(courseId);
 }
 
 function closeCourseDetails() {
-    document.getElementById('courseDetails').style.display = 'none';
+    document.getElementById('courseDetails').classList.remove('open');
 }
 
 function renderChapters(courseId) {