style:课节列表样式优化

src/modules/course-manage/video-course/AddVideoCourse.less

@@ -171,23 +171,22 @@
         line-height: 40px;
       }
       .course-chapter-list {
-        margin-top: 8px;
-        max-height: 247px;
+        max-height: 245px;
         min-height: 130px;
         overflow-y: auto ;
         border-radius: 4px;
-        padding: 20px 16px;
+        padding: 16px;
         .course-ware {
           display: flex;
           align-items: center;
           margin-bottom: 22px;
           color: #666;
           &:last-child {
-            margin-bottom: 0;
+            margin-bottom: 0px;
           }
           &__img {
             width: 24px;
-            margin-right: 4px;
+            margin-right: 8px;
             margin-left: 16px;
           }
     
@@ -197,6 +196,7 @@
             overflow: hidden;
             white-space: nowrap;
             text-overflow: ellipsis;
+            margin-right: 24px;
           }
           .course-chapter__opt {
             display: flex;