#main_slide {
  position: relative;
  margin-top: 70px;
  width: 100%;
}
#main_slide .swiper-wrapper {
  width: 100%;
  height: 100%;
}
#main_slide .swiper-button-next, #main_slide .swiper-button-prev {
  width: 50px;
  height: 50px;
  z-index: 20;
  top: 40%;
}
#main_slide .swiper-button-next::after, #main_slide .swiper-button-prev::after {
  font-size: 50px;
  color: #000;
}
#main_slide .swiper-button-next {
  right: 5%;
}
#main_slide .swiper-button-prev {
  left: 5%;
}

@media (max-width: 1024px) {
  #main_slide .swiper-button-prev, #main_slide .swiper-button-next {
    width: 30px;
    height: 30px;
    z-index: 20;
    top: 50%;
  }
  #main_slide .swiper-button-prev::after, #main_slide .swiper-button-next::after {
    font-size: 30px;
    color: rgb(153, 153, 153);
  }
  #main_slide .swiper-button-prev {
    left: 0;
  }
  #main_slide .swiper-button-next {
    right: 0;
  }
}