.about {
  background: url(/content/images/home_back.png);
  min-height: 100vh;
}

.about-item {
  padding: 50px 0;
  display: flex;
  justify-content: space-between;
}

.about-item-left {
  width: 48%;
}

.about-item-left > h2 {
  margin-bottom: 40px;
}

.about-item-banner {
  position: relative;
  overflow: hidden;
}

.about-item-right {
  width: 48%;
}

.about-tabs {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 40px;
}

.about-tabs-inner {
  display: none;
}

.about-tabs-inner.on {
  display: block;
}

.about-item-banner .swiper-slide {
  position: relative;
}

.about-item-banner .swiper-slide p {
  height: 290px;
  overflow: hidden;
}

.about-item-banner .swiper-slide p img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-item-banner .swiper-slide div {
  position: absolute;
  z-index: 9;
  bottom: 0;
  color: white;
  padding: 15px;
  background-color: rgba(0, 0, 0, 0.5);
  width: 100%;
  box-sizing: border-box;
}
.about .swiper-container-horizontal > .swiper-pagination-bullets {
  padding-right: 20px;
}
.about
  .swiper-container-horizontal
  > .swiper-pagination-bullets
  .swiper-pagination-bullet {
  margin: 0 4px;
}
.about .swiper-pagination-bullet {
  background-color: white;
  width: 12px;
  height: 12px;
}
.about .swiper-pagination-bullet-active {
  background-color: #ff9635;
}
.about .swiper-container-horizontal > .swiper-pagination-bullets,
.about .swiper-pagination-custom,
.about .swiper-pagination-fraction {
  text-align: right;
  bottom: 13px;
}

.about .swiper-button-white {
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  background-size: auto 60%;
}
.about .swiper-button-prev {
  background-position-x: 12px;
}
.about .swiper-button-next {
  background-position-x: 14px;
}

.about-tabs span {
  width: 110px;
  line-height: 36px;
  background-color: #e8e8e8;
  margin-left: 15px;
  text-align: center;
  color: #333333;
  cursor: pointer;
}

.about-tabs span.on {
  background-color: #f39800;
  color: white;
}

.about-tabs-inner {
  padding: 25px;
  background-color: white;
  min-height: 290px;
}

.about-tabs-inner .t {
  border-bottom: 2px solid #f39800;
  padding-bottom: 15px;
}

.about-tabs-inner .t1 {
  font-size: 20px;
  color: #f49800;
}

.about-tabs-inner .t2 {
  font-size: 18px;
  margin-top: 5px;
}

.about-tabs-inner .b {
  margin-top: 15px;
  line-height: 30px;
  color: #666666;
  font-size: 16px;
}

.about-line {
  line-height: 2;
  font-size: 16px;
  color: #666666;
}

.about-code {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  color: #666666;
}
.about-code div {
  display: flex;
}

.about-code div p {
  width: 110px;
  height: 110px;
}

.about-code div p img {
  width: 100%;
}

@media (max-width: 800px) {
  .about-item {
    flex-wrap: wrap;
    padding: 5vw;
  }

  .about-item-left {
    width: 100%;
  }

  .about-item-banner .swiper-slide p {
    height: 46vw;
  }

  .about-item-banner .swiper-slide div {
    padding: 2vw;
  }

  .about-item-banner .swiper-slide div span {
    font-size: 3.5vw;
  }

  .about .swiper-container-horizontal > .swiper-pagination-bullets,
  .about .swiper-pagination-custom,
  .about .swiper-pagination-fraction {
    bottom: 2vw;
  }

  .about .swiper-button-white {
    width: 6vw;
    height: 6vw;
  }
  .about .swiper-button-prev {
    background-position-x: 2vw;
  }
  .about .swiper-button-next {
    background-position-x: 2vw;
  }

  .about-item-right{
    width: 100%;
    margin-top: 5vw;
  }

  .about-item-left > h2{
    font-size: 5vw;
    margin-bottom: 4vw;
  }

  .about-tabs{
    margin-bottom: 4vw;
  }

  .about-tabs span{
    width: 20vw;
    line-height: 8vw;
  }

  .about-tabs-inner{
    padding: 4vw;
    min-height: 50vw;
  }

  .about-tabs-inner .t{
    padding-bottom: 2vw;
  }

  .about-tabs-inner .t1{
    font-size: 5vw;
  }

  .about-tabs-inner .t2{
    font-size: 4vw;
  }

  .about-tabs-inner .b{
    margin-top: 2vw;
    font-size: 3.5vw;
    line-height: 1.8;
  }

  .about-code div{
    flex-wrap: wrap;
  }

  .about-line{
    font-size: 3.5vw;
  }
}