* {
    margin: 0;
    padding: 0;
  }
  .public_w {
    max-width: 1400px;
    width: 85%;
    margin: 0 auto;
  }
  .about {
    /* 面包屑 */
    /* 内容 */
    /* 内容2 */
  }
  .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: flex;
    width: 5px;
    height: 100%;
    align-items: center;
    justify-content: center;
    margin-top: -5px;
    font-size: 17px;
    color: #979797;
    /* border: 1px #f00 solid; */
  }
  .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;
    font-style: normal;
    margin-left: 86px;
  }
  .about .news_nav > div .qh > a:nth-child(1) {
    background: #333 url('../images/cp1.png') no-repeat 42px center;
  }
  .about .news_nav > div .qh > a:nth-child(1) p {
    color: #fff;
  }
  .about .news_nav > div .qh > a:nth-child(2) {
    background: #fff url('../images/fd2.png') no-repeat 42px center;
  }
  .about .news_nav > div .qh > a:nth-child(2):hover {
    background: #333 url('../images/fd1.png') no-repeat 42px center;
  }
  .about .news_nav > div .qh > a:nth-child(2):hover p {
    color: #fff;
  }
  .about .cont {
    width: 95%;
    margin: 130px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* border: 1px #f00 solid; */
  }
  .about .cont p {
    font-family: Futura, Futura;
    /*font-weight: 600;*/
    font-size: calc(10px + 1rem);
    color: #333333;
    line-height: 29px;
    text-align: justify;
    margin-bottom: 80px;
  }
  .about .cont > span:nth-of-type(1),
  .about .cont > span:nth-of-type(3) {
    width: 100%;
    /* height: 24px; */
    font-family: LVNM;
    font-weight: normal;
    font-size: calc(10px + 0.5rem);
    color: #777777;
    line-height: 30px;
    text-align: center;
    font-style: normal;
  }
  .about .cont > span:nth-of-type(2) {
    width: 100%;
    height: 66px;
    font-family: LVNM;
    font-weight: normal;
    font-size: calc(10px + 0.5rem);
    color: #777777;
    line-height: 32px;
    text-align: center;
    margin: calc(10px + 0.25rem) 0;
    /* border: 1px #f00 solid; */
  }
  .about .cont > img {
    width: 974px;
    /* height: 496px; */
    margin-top: 60px;
  }
  .about .cont2 {
    width: 95%;
    height: 590px;
    margin: 0 auto;
    margin-bottom: 130px;
    /* border: 1px #04BE02 solid; */
  }
  .about .cont2 .cont2_top {
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* border: 1px #f0f solid; */
  }
  .about .cont2 .cont2_top > div:nth-child(1) {
    width: 222px;
    height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .about .cont2 .cont2_top > div:nth-child(1) > p {
    font-family: GOTHICB;
    font-weight: bold;
    font-size: calc(20px + 1.6rem);
    color: #333333;
    line-height: 54px;
    text-align: justify;
    font-style: normal;
    /* border: 1px #f00 solid; */
  }
  .about .cont2 .cont2_top > div:nth-child(1) > span {
    width: 68px;
    height: 4px;
    background: #D80816;
  }
  .about .cont2 .cont2_top > div:nth-child(2) {
    width: 166px;
    height: 80px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* border: 1px #f00 solid; */
  }
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-prev::after,
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-next::after {
    display: flex;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    justify-content: center;
    align-items: center;
    content: '';
  }
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-prev,
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-next {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #D80816;
    color: #fff;
    z-index: 800;
  }
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-prev i,
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-next i {
    font-size: 30px;
    color: #fff;
  }
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-prev,
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-prev::after {
    margin-right: 40px;
  }
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-disabled {
    border: 1px #ccc solid;
    background: none;
    opacity: 0.6;
    z-index: 700;
  }
  .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-disabled i {
    color: #D80816;
    z-index: 700;
  }
  .about .cont2 .sw {
    width: 100%;
    /* height: 450px; */
    margin-top: 60px;
    /* border: 1px #000 solid; */
  }
  .about .cont2 .sw .swiper {
    width: 100%;
    /* height: 450px; */
    position: relative;
    /* border: 1px #f00 solid; */
  }
  .about .cont2 .sw .swiper .swiper-wrapper {
    width: 100%;
    padding: 0 5px;
  }
  .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide {
    /* width: 328px; */
    /* height: 383px; */
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 0 10px 2px rgba(161, 161, 161, 0.2);
    margin-top: 4px;
    margin-bottom: 70px;
  }
  .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide > img {
    /* width: 160px;
                              height: 223px; */
    width: 60%;
    margin-top: 32px;
  }
  .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide > span {
    width: 240px;
    height: 2px;
    background: #D8D8D8;
    margin-top: 28px;
  }
  .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide > p {
    font-family: LVNM;
    font-weight: 600;
    font-size: 24px;
    color: #333333;
    line-height: 29px;
    text-align: justify;
    font-style: normal;
    margin-top: 38px;
    margin-bottom: 20px;
  }
  .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide:nth-child(4) img {
    /* width: 231px;
      height: 161px; */
    /* margin-top: 63px; */
  }
  .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide:nth-child(4) span {
    /* margin-top: 59px; */
  }
  .about .cont2 .sw .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 .cont2 .sw .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 .cont2 .sw .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 .cont2 .sw .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background: #333333;
  }
  .about .big {
    width: 1000px;
    height: 80%;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    /* border: 1px #f00 solid; */
  }
  .about .big > img {
    height: 100%;
  }




  @media screen and (max-width: 1100px) {
    .about .top {
      width: 100%;
    }
    .about .top .top1 .top2 {
      font-size: calc(10px + 0.5rem);
    }
    .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 + 0.2rem);
      margin: 0 0 0 2%;
    }
    .about .news_nav > div > div:nth-child(1) > span {
      width: 8%;
      height: 100%;
      font-size: calc(7px + 0.2rem);
      margin: -4% 1% 0 1%;
    }
    .about .news_nav > div > div:nth-child(1) > p {
      font-size: calc(7px + 0.2rem);
      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(1) {
      background: #333 url('../images/cp1.png') no-repeat 13% center / calc(5px + 0.1rem) 30%;
    }
    .about .news_nav > div .qh > a:nth-child(1) p {
      color: #fff;
    }
    .about .news_nav > div .qh > a:nth-child(2) {
      background: #fff url('../images/fd2.png') no-repeat 13% center / calc(5px + 0.1rem) 30%;
    }
    .about .news_nav > div .qh > a:nth-child(2):hover {
      background: #333 url('../images/fd1.png') no-repeat 13% center / calc(5px + 0.1rem) 30%;
    }
    .about .news_nav > div .qh > a:nth-child(2):hover p {
      color: #fff;
    }
    .about .cont {
      width: 95%;
      margin: 10% auto;
    }
    .about .cont p {
      font-size: calc(10px + 0.25rem);
      color: #333333;
      line-height: calc(20px + 0.25rem);
      margin-bottom: calc(15px + 0.5rem);
    }
    .about .cont > span:nth-of-type(1),
    .about .cont > span:nth-of-type(3) {
      width: 95%;
      height: 100%;
      /* height: 24px; */
      font-size: calc(10px + 0.25rem);
      line-height: calc(20px + 0.25rem);
    }
    .about .cont > span:nth-of-type(2) {
      width: 95%;
      height: 100%;
      font-size: calc(10px + 0.25rem);
      line-height: calc(20px + 0.25rem);
      text-align: center;
      margin: calc(5px + 0.2rem) 0;
    }
    .about .cont > img {
      width: 95%;
      margin-top: 5%;
    }
    .about .cont2 {
      width: 100%;
      margin-bottom: 10%;
      height: 50%;
    }
    .about .cont2 .cont2_top {
      width: 90%;
      /* height: 50%; */
      margin: 0 auto;
    }
    .about .cont2 .cont2_top > div:nth-child(1) {
      width: calc(18px + 25rem);
      height: 40%;
      /* border: 1px #f00 solid; */
    }
    .about .cont2 .cont2_top > div:nth-child(1) > p {
      font-size: calc(15px + 0.25rem);
      line-height: calc(10px + 0.25rem);
    }
    .about .cont2 .cont2_top > div:nth-child(1) > span {
      width: 30%;
      height: calc(2px + 0.13rem);
      background: #D80816;
    }
    .about .cont2 .cont2_top > div:nth-child(2) {
      width: calc(100px + 2.5rem);
      height: calc(18px + 2.5rem);
      position: relative;
      /* border: 1px #f00 solid; */
    }
    .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-prev::after,
    .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-next::after {
      position: absolute;
      /* top: 70%; */
      z-index: 50;
      width: calc(18px + 1rem);
      height: calc(18px + 1rem);
      content: '';
    }
    .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-prev,
    .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-next {
      width: calc(18px + 1rem);
      height: calc(18px + 1rem);
      /* top: 90%; */
    }
    .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-prev i,
    .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-next i {
      font-size: calc(10px + 0.5rem);
      color: #fff;
    }
    .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-disabled {
      border: 1px #ccc solid;
      background: none;
      opacity: 0.6;
      z-index: 1000;
    }
    .about .cont2 .cont2_top > div:nth-child(2) .swiper-button-disabled i {
      color: #D80816;
      z-index: 1000;
    }
    .about .cont2 .sw {
      width: 90%;
      margin: 10% auto;
      margin-bottom: 0;
      /* border: 1px #f00 solid; */
    }
    .about .cont2 .sw .swiper {
      width: 100%;
      /*position: relative;*/
    }
    .about .cont2 .sw .swiper .swiper-wrapper {
      width: 100%;
    }
    .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide {
      /* width: 100%; */
      margin-top: 0;
      margin-bottom: 10%;
    }
    .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide > img {
      width: 48%;
      margin-top: 10%;
    }
    .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide > span {
      width: 80%;
      margin-top: 13%;
    }
    .about .cont2 .sw .swiper .swiper-wrapper .swiper-slide > p {
      font-size: calc(10px + 0.25rem);
      margin-top: 5%;
    }
    /*.about .cont2 .sw .swiper .swiper-wrapper .swiper-slide:nth-child(4) img {*/
    /*  width: 60%;*/
    /*  margin-top: 20%;*/
    /*}*/
    /*.about .cont2 .sw .swiper .swiper-wrapper .swiper-slide:nth-child(4) span {*/
    /*  margin-top: 28%;*/
    /*}*/
    .about .cont2 .sw .swiper .swiper-pagination {
      /* width: calc(10px + 0.35rem); */
      height: calc(10px + 0.35rem);
      left: 50%;
      transform: translateX(-50%);
      appearance: none;
      border-radius: 50%;
      /* border: 1px #f00 solid; */
    }
    .about .cont2 .sw .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet {
      width: 5px;
      height: 5px;
    }
    .about .cont2 .sw .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 .cont2 .sw .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
      background: #333333;
    }
    .about .big {
      width: 70%;
      height: 30%;
      /* border: 1px #f00 solid; */
    }
    .about .big > img {
      height: 100%;
    }
  }