## link

* arco-pro/src/pages/dashboard/monitor/style/index.module.less

## less
```less

.layout {
  display: flex;

  &-left-side {
    flex-basis: 300px;
  }

  &-content {
    flex: 1;
    padding: 0 16px;
  }

  &-right-side {
    flex-basis: 280px;
  }
}

.chat-panel {
  height: 100%;
  background-color: var(--color-bg-2);
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  border-radius: 4px;

  &-content {
    flex: 1;
    margin: 20px 0;
    box-sizing: border-box;
  }
}

.data-statistic {
  &-content {
    padding: 20px 0;
  }

  &-list {
    &-header {
      margin-top: 16px;
      display: flex;
      justify-content: space-between;
    }

    &-content {
      margin-top: 16px;
    }

    &-cover {
      &-wrapper {
        height: 68px;
        position: relative;

        img {
          height: 100%;
        }
      }

      &-tag {
        position: absolute;
        top: 6px;
        left: 6px;
      }
    }

    &-tip {
      display: block;
      margin-top: 16px;
      text-align: center;
    }
  }
}

.studio {
  &-wrapper {
    :global(.arco-card-body) {
      padding-top: 0 !important;
    }
  }

  &-preview {
    width: 100%;
    max-width: 600px;
    display: block;
    margin: 0 auto;
  }

  &-bar {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
  }
}
```



## css

```css
.layout {
  display: flex;
}
.layout-left-side {
  flex-basis: 300px;
}
.layout-content {
  flex: 1;
  padding: 0 16px;
}
.layout-right-side {
  flex-basis: 280px;
}
.chat-panel {
  height: 100%;
  background-color: var(--color-bg-2);
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  border-radius: 4px;
}
.chat-panel-content {
  flex: 1;
  margin: 20px 0;
  box-sizing: border-box;
}
.data-statistic-content {
  padding: 20px 0;
}
.data-statistic-list-header {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
}
.data-statistic-list-content {
  margin-top: 16px;
}
.data-statistic-list-cover-wrapper {
  height: 68px;
  position: relative;
}
.data-statistic-list-cover-wrapper img {
  height: 100%;
}
.data-statistic-list-cover-tag {
  position: absolute;
  top: 6px;
  left: 6px;
}
.data-statistic-list-tip {
  display: block;
  margin-top: 16px;
  text-align: center;
}
.studio-wrapper :global(.arco-card-body) {
  padding-top: 0 !important;
}
.studio-preview {
  width: 100%;
  max-width: 600px;
  display: block;
  margin: 0 auto;
}
.studio-bar {
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
}
```

## bench-compare

* less.js 6ms
* rust-less 0.734ms