@media (max-width: 540px){
section.about-banner{
    padding-top: 72px;
    height: auto;
    padding-bottom:25px;
  }
section.about-banner .pro-content{
    width:100%;
    padding:0;
  }
   .banner-btn{
    flex-direction: column;
    align-items: flex-start;
  }
  .banner-list img {
    width: 30px;
  }
  .head-sec {
    margin-bottom: 25px;
  }
}