feat:完善样式

src/views/monitor/components/box-2.vue

@@ -633,13 +633,10 @@
     &-item {
       position: relative;
       width: vw(686);
-      height: vh(420);
-      padding: vw(10);
+      height: vh(380);
+      padding: vh(10) vw(10);
       background-image: url('/src/assets/images/item-primary.png');
       background-size: 100% 100%;
-      &:nth-child(3n) {
-        margin-right: 0;
-      }
       &:hover {
         .video-item__follow {
           display: block !important;
@@ -694,9 +691,8 @@
     }
     &-item__video {
       width: 100%;
-      height: vh(406);
+      height: vh(366);
       object-fit: cover;
-      // background-color: #000;
     }
     &-detail {
       margin-left: vw(10);