.slide_1 .swiper-button-next,
.slide_1 .swiper-button-prev {
  width: 80px !important;
  height: 80px !important;
  background-size: 192px 96px !important;
  border-radius: 50% !important;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}
.slide_1 .swiper-button-next i,
.slide_1 .swiper-button-prev i {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 40px;
  height: 26px;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  -webkit-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
  opacity:0.5
}
.slide_1 .swiper-button-next:hover,
.slide_1 .swiper-button-prev:hover {
  background-size: 211.2px 105.6px !important;
}
.slide_1 .swiper-button-next:hover i,
.slide_1 .swiper-button-prev:hover i {
  opacity: 1;
}
.slide_1 .swiper-button-prev {
  left: 5% !important;
}
.slide_1 .swiper-button-prev i {
  background-image: url(../images/sl.png);
}
.slide_1 .swiper-button-next {
  right: 5% !important;
}
.slide_1 .swiper-button-next i {
  background-image: url(../images/sr.png);
}