.banner {
  background: url(../images/about/about_banner.jpg) no-repeat center center;
  background-size: cover;
  padding: 1.1rem 0;
}
.banner .banner-text {
  font-family: Arial;
  color: #fff;
  text-align: center;
  font-weight: 700;
  padding: 0 0.3rem;
  font-size: 0.36rem;
  line-height: 0.5rem;
}

.page-location {
  color: #9a9a9a;
  font-size: 0.28rem;
  margin: 0.11rem auto 0;
  padding: 0 0.3rem;
  font-family: Arial;
}
.page-location a {
  color: #9a9a9a;
}
.page-location a:last-child {
  pointer-events: none;
}
.page-location span {
  font-size: 0.24rem;
}

.about-first {
  padding: 0.3rem;
}
.about-first .first-title {
  font-family: Arial;
  color: #191919;
  text-align: center;
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 0.42rem;
}
.about-first .first-content {
  margin-top: 0.3rem;
}
.about-first .first-content .first-left p {
  font-family: Arial;
  color: #666;
  -webkit-hyphens: auto;
  -ms-hyphens: auto;
  hyphens: auto;
  font-size: 0.28rem;
  line-height: 0.42rem;
}
.about-first .first-content .first-left p:last-child {
  margin-bottom: 0;
}
.about-first .first-content .first-right {
  padding-top: 0.2rem;
  padding-bottom: 0.2rem;
}
.about-first .first-content .first-right img {
  width: 100%;
  height: auto;
  display: block;
}
.about-first .first-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 0.1rem;
}
.about-first .first-list .first-item {
  position: relative;
  margin-bottom: 0.25rem;
  width: 48%;
}
.about-first .first-list .first-item::after {
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 40%, rgba(0, 0, 0, 0.8) 100%);
  position: absolute;
  width: 100%;
  height: 100%;
  content: "";
  top: 0;
  left: 0;
  z-index: 1;
}
.about-first .first-list .first-item .bg-img {
  width: 100%;
  height: auto;
  display: block;
}
.about-first .first-list .first-item .item-text {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  color: #fff;
  font-family: Arial;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0 0.2rem;
}
.about-first .first-list .first-item .item-text {
  padding-top: 80%;
}
.about-first .first-list .first-item .item-text img {
  width: 0.38rem;
  height: auto;
  display: block;
  margin-bottom: 0.2rem;
}
.about-first .first-list .first-item .item-text .line1 {
  font-size: 0.3rem;
  line-height: 0.4rem;
  font-weight: 700;
}
.about-first .first-list .first-item .item-text .line2 {
  -webkit-hyphens: auto;
  -ms-hyphens: auto;
  hyphens: auto;
  font-size: 0.22rem;
  line-height: 0.32rem;
  margin-top: 0.1rem;
}

.about-second {
  background: url(../images/about/about_bg1.jpg) no-repeat center center;
  background-size: cover;
  padding: 0.4rem 0;
}
.about-second .second-title {
  color: #fefefe;
  text-align: center;
  font-family: Arial;
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 0.42rem;
}
.about-second .second-swiper {
  margin-top: 0.4rem;
}
.about-second .second-swiper .swiper-wrapper .swiper-slide {
  padding: 0 0.7rem;
}
.about-second .second-swiper .swiper-wrapper .swiper-slide .factory-item {
  height: 100%;
  background: #fff;
  padding-bottom: 0.5rem;
  width: 95%;
}
.about-second .second-swiper .swiper-wrapper .swiper-slide .factory-item .text-box {
  font-family: Arial;
  padding: 0.25rem 0.2rem 0.25rem 0.3rem;
}
.about-second .second-swiper .swiper-wrapper .swiper-slide .factory-item .text-box h2 {
  color: #333;
  font-weight: 700;
  font-size: 0.24rem;
  line-height: 0.4rem;
}
.about-second .second-swiper .swiper-wrapper .swiper-slide .factory-item .text-box p {
  color: #666;
  -webkit-hyphens: auto;
  -ms-hyphens: auto;
  hyphens: auto;
  font-size: 0.22rem;
  line-height: 0.3rem;
  margin-top: 0.1rem;
}
.about-second .second-swiper .swiper-wrapper .swiper-slide .factory-item .img-box {
  width: 100%;
  height: auto;
  margin-left: 0.3rem;
}
.about-second .second-swiper .swiper-wrapper .swiper-slide .factory-item .img-box img {
  width: 100%;
  height: 100%;
  display: block;
}
.about-second .second-swiper .swiper-button-prev, .about-second .second-swiper .swiper-button-next {
  width: 0.4rem;
  height: 0.4rem;
  top: 50%;
}
.about-second .second-swiper .swiper-button-prev {
  left: 0.15rem;
}
.about-second .second-swiper .swiper-button-next {
  right: 0.15rem;
}
.about-second .second-swiper .swiper-pagination {
  bottom: -0.18rem;
}
.about-second .second-swiper .swiper-button-prev:after, .about-second .second-swiper .swiper-button-next:after {
  content: "";
  display: block;
  background: url(../images/about/about_arrow.png) no-repeat center center;
  background-size: cover;
  width: 0.4rem;
  height: 0.4rem;
}
.about-second .second-swiper .swiper-button-next:after {
  transform: rotate(180deg);
}
.about-second .second-swiper .swiper-pagination-bullet {
  width: 0.14rem;
  height: 0.14rem;
  background: #e94609;
  opacity: 1;
  border-radius: 50%;
  margin: 0 0.1rem;
}
.about-second .second-swiper .swiper-pagination-bullet-active {
  background: #fff;
  border: solid 0.03rem #e94609;
}

.about-third .third-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}
.about-third .third-list .third-item {
  position: relative;
  width: 48.5%;
  margin-bottom: 0.2rem;
}
.about-third .third-list .third-item .item-bg {
  width: 100%;
  height: auto;
  display: block;
}
.about-third .third-list .third-item .text-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: #fff;
  font-family: Arial;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  transition: all 0.8s;
  background-size: 200% auto;
}
.about-third .third-list .third-item .text-box h2 {
  font-weight: 700;
  font-size: 0.3rem;
  line-height: 0.42rem;
}
.about-third .third-list .third-item .text-box .arrow-icon {
  display: block;
  width: 0.58rem;
  height: auto;
}
.about-third .third-list .third-item:hover .text-box {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.4) 20%, rgba(199, 196, 196, 0.4) 50%, rgba(0, 0, 0, 0.4) 100%);
  background-position: center right;
}
.about-third .third-list .third-item:hover .text-box h2 {
  text-decoration: underline;
}


@media screen and (max-width: 480px) {
  .about-first .first-list .first-item .item-text {
    padding-top: 60%;
  }
}