* {
  margin: 0;
  padding: 0;
}
.public_w {
  max-width: 1400px;
  width: 85%;
  margin: 0 auto;
}
.about {
  /* 面包屑 */
  /* 内容 */
  /* 视频部分 */
}
.about .top {
  width: 100%;
  /* height: 500px; */
  /* background: url('../images/about_bg.png') no-repeat 100%; */
  position: relative;
  overflow: hidden;
}
.about .top > img {
  width: 100%;
}
.about .top .top1 {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
}
.about .top .top1 .top2 {
  width: 90%;
  height: 100%;
  margin: 0 auto;
  font-family: GOTHICB;
  font-weight: bold;
  font-size: 50px;
  color: #FFFFFF;
  line-height: 61px;
  text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.5);
  font-style: normal;
  display: flex;
  align-items: center;
  /* border: 1px #f00 solid; */
}
.about .news_nav {
  width: 100%;
  height: 80px;
  background: #FFFFFF;
  box-shadow: 0px 6px 6px 0px rgba(219, 219, 219, 0.3);
  margin: 0 auto;
  /* border: 1px #f00 solid; */
}
.about .news_nav > div {
  width: 100%;
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* 切换 */
}
.about .news_nav > div > div:nth-child(1) {
  width: 167px;
  height: 100%;
  display: flex;
  align-items: center;
}
.about .news_nav > div > div:nth-child(1) > img {
  width: 30px;
  height: 28px;
}
.about .news_nav > div > div:nth-child(1) > a {
  font-family: LVNM;
  font-weight: 700;
  font-size: 20px;
  color: #777777;
  line-height: 21px;
  text-align: justify;
  font-style: normal;
  margin: 0 7px 0 12px;
}
.about .news_nav > div > div:nth-child(1) > span {
  display: block;
  width: 5px;
  height: 7px;
  line-height: 7px;
  text-align: center;
  margin-top: -5px;
  font-size: 17px;
  color: #979797;
}
.about .news_nav > div > div:nth-child(1) > p {
  font-family: LVNM;
  font-weight: 700;
  font-size: 18px;
  color: #333333;
  line-height: 21px;
  font-style: normal;
  margin-left: 12px;
}
.about .news_nav > div .qh {
  width: 520px;
  /* height: 80px; */
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* margin-left: 713PX; */
  /* border: 1px #f00 solid; */
}
.about .news_nav > div .qh a {
  display: flex;
  width: 260px;
  height: 80px;
  align-items: center;
  transition: all 0.5s;
  /* justify-content: center; */
}
.about .news_nav > div .qh a p {
  font-family: FuturaBT, FuturaBT;
  font-weight: 500;
  font-size: 18px;
  color: #333333;
  line-height: 21px;
  text-align: justify;
  font-style: normal;
  margin-left: 86px;
}
.about .news_nav > div .qh > a:nth-child(2) {
  background: #333 url('../images/cp1.png') no-repeat 42px center;
}
.about .news_nav > div .qh > a:nth-child(2) p {
  color: #fff;
}
.about .news_nav > div .qh > a:nth-child(1) {
  background: #fff url('../images/fd2.png') no-repeat 42px center;
}
.about .news_nav > div .qh > a:nth-child(1):hover {
  background: #333 url('../images/fd1.png') no-repeat 42px center;
}
.about .news_nav > div .qh > a:nth-child(1):hover p {
  color: #fff;
}
.about .cont {
  width: 95%;
  margin: 130px auto;
  /* border: 1px #f00 solid; */
}
.about .cont .cont_top {
  width: 100%;
  /* height: 57px; */
  display: flex;
  justify-content: space-between;
}
.about .cont .cont_top > p {
  font-family: GOTHICB;
  font-weight: bold;
  font-size: calc(20px + 1.5rem);
  color: #333333;
  line-height: 54px;
  text-align: justify;
  font-style: normal;
}
.about .cont .cont_top > div {
  width: 840px;
  height: 57px;
  display: flex;
  align-items: center;
  /* border: 1px #f00 solid; */
}
.about .cont .cont_top > div .a1 {
  width: 210px;
  height: 57px;
  flex: 1;
  text-align: center;
  line-height: 57px;
  font-family: LVNM;
  font-weight: 600;
  font-size: 18px;
  color: #777777;
  font-style: normal;
  transition: all 0.5s;
  cursor: pointer;
  background: #f5f5f5;
  /* border: 1px #f00 solid; */
}
.about .cont .cont_top > div .on {
  background: #D80816;
  color: #fff;
}
.about .cont .cont_top > div > .a1:hover {
  background: #D80816;
  color: #fff;
}
.about .cont .cont_mid {
  width: 100%;
  margin: 0 auto;
  margin-top: 82px;
  /* border: 1px #f00 solid; */
}
.about .cont .cont_mid > p {
  width: 100%;
  height: 64px;
  font-family: LVNM;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  line-height: 32px;
  text-align: justify;
  font-style: normal;
}
.about .cont .cont_mid > .cont_mid1 {
  width: 100%;
  margin-top: 60px;
  /* border: 1px #f00 solid; */
}
.about .cont .cont_mid > .cont_mid1 .tab1 {
  width: 100%;
  /* height: 806px; */
  display: none;
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a {
  width: 100%;
  /* border: 1px #04be02 solid; */
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper {
  /* width: 100%; */
  /* height: 806px; */
  position: relative;
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper {
  width: 100%;
  height: 738px;
  margin-bottom: 60px;
  /* border: 1px #f00 solid; */
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide {
  width: 100%;
  height: calc(300px + 2.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  /* border: 1px #f00 solid; */
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide > div {
  /* width: 100%; */
  /* height: 292px; */
  overflow: hidden;
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide > div img {
  /* width: 100%; */
  /* height: 292px; */
  transition: all 0.3s;
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide > p {
  font-family: LVNM;
  font-weight: 500;
  font-size: 24px;
  color: #333333;
  line-height: 29px;
  text-align: justify;
  font-style: normal;
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide:hover img {
  transform: scale(1.1);
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    /* width: 100px; */
    height: 30px;
    margin-top: 100px;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    appearance: none;
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet {
    display: flex;
    width: 8px;
    height: 8px;
    border: 1px #aaa solid; 
    align-items: center;
    justify-content: center;
    margin: 0 10px;
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet::after{
    position: absolute;
    display: block;
    content: "";
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px #333 solid;
}
.about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background: #333333;
}
.about .cont .cont_mid > .cont_mid1 .tab1.on {
  display: flex;
}
.about .sp {
  width: 95%;
  margin: 0 auto;
  padding-bottom: 130px;
  border-bottom: 1px solid rgba(170, 170, 170, 0.49);
  margin-bottom: 100px;
}
.about .sp > p {
  font-family: GOTHICB;
  font-weight: bold;
  font-size: 44px;
  color: #333333;
  line-height: 54px;
  text-align: center;
  font-style: normal;
  margin-bottom: 28px;
}
.about .sp > span {
  display: block;
  width: 88px;
  height: 4px;
  background: #D80816;
  margin: 0 auto;
}
.about .sp > div {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  margin-top: 60px;
  justify-content: space-between;
}
.about .sp > div > div {
  width: 32%;
  height: 658px;
  /* margin: 46px 46px 0 0; */
  background: #000;
  /* border: 1px #f00 solid; */
}
.about .sp > div > div:nth-child(1),
.about .sp > div > div:nth-child(2),
.about .sp > div > div:nth-child(3) {
  margin-top: 0;
}
.about .sp > div > div:nth-child(3n) {
  margin-right: 0;
}



@media screen and (max-width: 1100px) {
  .about .top {
    width: 100%;
  }
  .about .top .top1 .top2 {
    font-size: calc(20px + 0.1rem);
  }
  .about .news_nav {
    width: 100%;
    height: 100%;
  }
  .about .news_nav > div {
    width: 95%;
    height: 100%;
  }
  .about .news_nav > div > div:nth-child(1) {
    width: 25%;
    height: 100%;
    display: flex;
    align-items: center;
    /* border: 1px #f00 solid; */
  }
  .about .news_nav > div > div:nth-child(1) > img {
    width: 12%;
    height: 8%;
  }
  .about .news_nav > div > div:nth-child(1) > a {
    font-size: calc(7px + 0.25rem);
    margin: 0 0 0 2%;
  }
  .about .news_nav > div > div:nth-child(1) > span {
    width: 8%;
    height: 100%;
    font-size: calc(10px + 0.25rem);
    margin: -4% 1% 0 1%;
  }
  .about .news_nav > div > div:nth-child(1) > p {
    font-size: calc(7px + 0.25rem);
    margin-left: 2%;
  }
  .about .news_nav > div .qh {
      width: 45%;
      height: 100%;
    }
    .about .news_nav > div .qh a {
      width: 50%;
      height: 100%;
      text-align: center;
    }
    .about .news_nav > div .qh a p {
        display: block;
        height: 100%;
        font-size: calc(5px + 0.05rem);
        margin-left: 21%;
        font-family: FuturaBT, FuturaBT;
    }
  .about .news_nav > div .qh > a:nth-child(2) {
    background: #333 url('../images/cp1.png') no-repeat 15% center / calc(5px + 0.1rem) 30%;
  }
  .about .news_nav > div .qh > a:nth-child(2) p {
    color: #fff;
  }
  .about .news_nav > div .qh > a:nth-child(1) {
    background: #fff url('../images/fd2.png') no-repeat 15% center / calc(5px + 0.1rem) 30%;
  }
  .about .news_nav > div .qh > a:nth-child(1):hover {
    background: #333 url('../images/fd1.png') no-repeat 15% center / calc(5px + 0.1rem) 30%;
  }
  .about .news_nav > div .qh > a:nth-child(1):hover p {
    color: #fff;
  }
  .about .cont {
    width: 100%;
    margin: 10% auto;
    /* border: 1px #f00 solid; */
  }
  .about .cont .cont_top {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* border: 1px #f00 solid; */
  }
  .about .cont .cont_top > p {
    font-size: calc(10px + 0.5rem);
  }
  .about .cont .cont_top > div {
    width: 95%;
    margin: 0 auto;
  }
  .about .cont .cont_top > div .a1 {
    width: 25%;
    /* text-align: center; */
    height: calc(25px + 0.5rem);
    line-height: calc(25px + 0.5rem);
    font-size: calc(5px + 0.25rem);
  }
  .about .cont .cont_mid {
    width: 100%;
    margin-top: 5%;
    /* border: 1px #f00 solid; */
  }
  .about .cont .cont_mid > p {
    width: 95%;
    font-size: calc(10px + 0.25rem);
    line-height: calc(20px + 0.25rem);
    margin: 0 auto;
  }
  .about .cont .cont_mid > .cont_mid1 {
    width: 100%;
}
.about .cont .cont_mid > .cont_mid1 .tab1 {
    width: 95%;
    /* height: 100%; */
    margin: 0 auto;
    /* border: 1px #f00 solid; */
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a {
    width: 100%;
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper {
    width: 100%;
    /* height: 100%; */
    position: relative;
    /* border: 1px #f00 solid; */
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper {
    width: 100%;
    height: 100%;
    margin-bottom: calc(50px + 0.5rem);
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide {
    width: 100%;
    height: 30%;
    /* margin-bottom: calc(20px + 2.5rem); */
    justify-content: flex-start;
    /* border: 1px #f00 solid; */
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide div {
    width: 100%;
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide div img {
    width: 100%;
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-wrapper .swiper-slide > p {
    font-size: calc(10px + 0.25rem);
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-pagination {
    height: calc(10px + 0.35rem);
    left: 50%;
    transform: translateX(-50%);
    appearance: none;
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet {
    width: 5px;
    height: 5px;
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet::after{
    position: absolute;
    display: block;
    content: "";
    width: calc(10px + 0.35rem);
    height: calc(10px + 0.35rem);
    border-radius: 50%;
    border: 1px #333 solid;
  }
  .about .cont .cont_mid > .cont_mid1 .tab1 .tab1a .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background: #333333;
  }
  .about .sp {
    width: 100%;
    margin: 0 auto;
    padding-bottom: 10%;
    margin-bottom: 10%;
    /*border: 1px #f00 solid;*/
  }
  .about .sp > p {
    font-size: calc(15px + 0.25rem);
    line-height: calc(15px + 0.25rem);
    margin-bottom: calc(10px + 0.5rem);
  }
  .about .sp > span {
    width: calc(15px + 0.5rem);
    height: calc(2px + 0.15rem);
  }
  .about .sp > div {
    width: 95%;
    margin: 0 auto;
    margin-top: 5%;
    justify-content: space-between;
    /* border: 1px #f00 solid; */
  }
  .about .sp > div > div {
    width: 48%;
    height: 100px;
    margin: 0 0 10px 0;
  }
}