style:样式优化

src/core/global.less

@@ -1690,7 +1690,7 @@ input:focus {
     }
   }
   .more{
-    color: #BFBFBF;
+    color: #2966FF;
     cursor: pointer;
     cursor: pointer;
   }

src/modules/college-manage/EmployeeManage.tsx

@@ -272,7 +272,7 @@ function EmployeeManage() {
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "flex-start",
-                padding: "0px 0 16px",
+                padding: "0px 0 4px",
               }}
             >
               <div>

src/modules/course-manage/DataList/DataList.less

@@ -27,7 +27,7 @@
   }
 
   .handel-btn {
-    color: #5289fa;
+    color: #2966FF;
     cursor: pointer;
   }
   .split {
@@ -131,7 +131,7 @@
         height: 37px;
         font-size: 26px;
         font-weight: 500;
-        color: #5289fa;
+        color: #2966FF;
         line-height: 37px;
         &.can-click {
           cursor: pointer;

src/modules/course-manage/offline-course/AddOfflineCourse.less

@@ -184,7 +184,7 @@
   
         .default-btn {
           margin-left: 16px;
-          color: #5289FA;
+          color: #2966FF;
           cursor: pointer;
   
           &.disabled {

src/modules/course-manage/offline-course/components/OfflineCourseList.jsx

@@ -200,7 +200,7 @@ class OfflineCourseList extends React.Component {
                   <span className="operate-text">更多</span>
                   <span
                     className="iconfont icon"
-                    style={{ color: "#5289FA" }}
+                    style={{ color: "#2966FF" }}
                   >
                     &#xe824;
                   </span>

src/modules/course-manage/offline-course/components/OfflineCourseList.less

@@ -28,14 +28,14 @@
     padding:16px;
   }
   .operate-text {
-    color: #5289FA;
+    color: #2966FF;
     cursor: pointer;
   }
   .operate {
     display: flex;
 
     &__item {
-      color: #5289FA;
+      color: #2966FF;
       cursor: pointer;
 
       &.split {