.b_tit1::before{
    content: ""; 
    position: absolute;
    top: -2rem;
    left: -63px;
    width: 53px;
    height: 73px;
    background-image: url(../imgs/bg/i1.png);
    background-repeat: no-repeat;
    opacity: 1;
  }

  .b_tit2::before{
    content: ""; 
    position: absolute;
    top: -2rem;
    left: -72px;
    width: 62px;
    height: 83px;
    background-image: url(../imgs/bg/i2.png);
    background-repeat: no-repeat;
    opacity: 1;
  }  

  .swiper-button-next:after, .swiper-button-prev:after{
    font-size:18px;
  }
  .swiper-button-prev:after, .swiper-container-rtl .swiper-button-next:after{
      content:'';
  }
  .swiper-button-next:after, .swiper-container-rtl .swiper-button-prev:after{
      content:'';
  }
  .banner .swiper-pagination{
      bottom: 1vmin;
  }
  .swiper-button-prev{
    left:unset;
    top:unset;
    bottom:4vmin ;
    right:15vw ;
  }
  
  .swiper-button-next{
    top:unset;
    bottom:4vmin ;
    right:13.8vw ;
  }
  .swiper-button-prev i,  .swiper-button-next i{
      color: #fff;
  }

  .banner .txt{
      position: absolute;
      color:#fff;
      right:17vw;
      bottom:5vmin;
  }

  @media (max-width: 1200px) {
    .swiper-button-prev,.swiper-button-next{
        display: none;
    }
  }