Switch to dart-sass and make deploy script fail-safe

node-sass 4.x cannot build on arm64/Node 16. Use sass with ::v-deep
instead of /deep/, and only replace the server dist after the upload
is unpacked and verified.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

src/views/videoManagement/videoExamine/components/batchAutoPublishing.vue

@@ -192,12 +192,12 @@ export default {
   }
   .el-select {
     width: 300px;
-    /deep/ .el-input {
+    ::v-deep .el-input {
       width: 300px;
     }
   }
   .activity-box {
-    /deep/ .el-input {
+    ::v-deep .el-input {
       width: 500px !important;
     }
   }

src/views/videoManagement/videoExamine/components/edit-video.vue

@@ -554,7 +554,7 @@ export default {
     width: 150px;
   }
   .activity-box {
-    /deep/ .el-input {
+    ::v-deep .el-input {
       width: 500px !important;
     }
   }