.html-loading {
  width: 40px;
  height: 40px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -20px 0 0 -20px;

  /* 添加硬件加速以提高性能 */
  transform: translateZ(0);
  will-change: transform;

  /* 旋转动画 */
  animation: html-rotate 1s linear infinite;
}

@keyframes html-rotate {
  from {
    transform: translateZ(0) rotate(0deg);
  }
  to {
    transform: translateZ(0) rotate(360deg);
  }
}

div[id^='__qiankun_microapp_wrapper'] {
  height: 100%;
  width: 100%;
}