message: [improvement] Tab: use transform to improve animation performance
diff: @@ -111,7 +111,7 @@ export default sfc({
  trackStyle() {
  if (this.animated) {
  return {
  - left: `${-1 * this.curActive * 100}%`,
  + transform: `translate3d(${-1 * this.curActive * 100}%, 0, 0)`,
  transitionDuration: `${this.duration}s`
  };
  }
  