修复bug

src/pages/news/index.less

             width: calc(100% - 60px);
             .banner_box{
                 .news_banner{
-                    width: 630px;
-                    height: 413px;
+                    width: 690px;
+                    height: 455px;
                     .news_content{
                         border-radius: 12px;
                     }
                 }   
                 .news_banner2{
-                    width: 300px;
+                    width: 330px;
                     img{
                         height: 200px;
                     }