.body_top {
  padding-top: 90px;
}

/*banner横幅 pc*/
.innerBanner {
  position: relative;
  display: flex;
  justify-content: center;
}

.innerBanner img {
  width: 100%;
  height: auto;
}

.innerBanner .innerText {
  box-sizing: border-box;

  color: #fff;
  position: absolute;
  top: 36%;
  width: 90%;

  transform: translateY(-50%);
}

.innerBanner .innerText>div {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.innerBanner .innerText>div .title {
  font-size: 28px;
  font-weight: bold;
  color: #333333;
  line-height: 40px;
  margin-bottom: 10px;
}

.innerBanner .innerText>div p {
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 30px;
}

.innerBanner .nav_d {
  margin: 0 auto;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: absolute;
  bottom: 0;
  padding: 0 2.5%;
  box-sizing: border-box;
  height: 60px;
  width: 95%;

}

.innerBanner .nav_d .left {
  display: flex;
  align-items: center;
  width: 40%;
}

.innerBanner .nav_d .left * {
  margin-right: 2px;
}

.innerBanner .nav_d .left .img_d {
  width: 26px;
}

.innerBanner .nav_d .left .active_color {
  color: #D70C18;
}

.innerBanner .nav_d .right {
  text-align: right;
  width: 60%;
}

.innerBanner .nav_d .right .zlm {}

.innerBanner .nav_d .right .zlm li a {
  font-size: 14px;
}

.innerBanner .nav_d .right .zlm li {
  display: inline-block;
  margin: 0 10px;

}

.innerBanner .nav_d .right .zlm .active_line a {
  color: #D70C18;
}

.innerBanner .nav_d .right .zlm .active_line {
  border-bottom: 2px solid #D70C18;
  height: 60px;
  line-height: 60px;
}

.dqwz {
  color: #B6B6B6;
}

.dqwz a {
  color: #B6B6B6;
  font-size: 14px;
}

.fzlc2 .title {
  color: #fff !important;
}

.fzlc2 p {
  color: #fff !important;
}

/*banner横幅结束*/
/*发展历史开始*/
main.main {
  width: 100%;
  height: 1000px;
  padding: 100px 0;
  box-sizing: border-box;
  background: #FFFEFF;
}

main.main .year {
  margin: 0 auto;
  width: 1200px;
}

main.main .year .year_top {
  margin: 0 auto;
  width: 994px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 30px auto;
}

main.main .year .year_top .center_d {
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

main.main .year .year_top .center_d .item_d {
  cursor: pointer;
  font-size: 30px;
  font-family: "微软雅黑";
  font-weight: bold;
  color: #D7D7D7;
}

main.main .year .year_top .center_d .item_d.active {
  font-size: 40px;
  font-family: "微软雅黑";
  font-weight: bold;
  color: #C60F10;
}

main.main .year .year_top .to_left {
  cursor: pointer;
}

main.main .year .year_top .to_right {
  cursor: pointer;
}

main.main .year .year_top .to_right img {
  transform: rotateY(180deg);
}

main.main .year .year_line {
  height: 20px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

main.main .year .year_line .line1 {
  position: absolute;
  top: 8px;
}

main.main .year .year_line .yuan1 {
  position: absolute;
  top: 0;
  left: 20%;
  transition: all 0.5s;
}

main.main .swiper_d {
  margin-top: 50px;
  width: auto;
  overflow-x: hidden;
}

main.main .swiper_d .swiper-wrapper {
  display: flex;
}


main.main .swiper_d .swiper_item {
  /*  width: 666px;*/
  height: 100%;
  background: transparent;
}

.swiper_img img {
  width: 100%;
}

main.main .swiper_d .swiper_item .swiper_img {
  padding: 20px;
  box-sizing: border-box;
}

main.main .swiper_d .swiper_item ul {
  padding: 10px 40px 20px;
  box-sizing: border-box;
}

main.main .swiper_d .swiper_item ul li {
  width: 100%;
  font-size: 16px;
  font-weight: 400;
  color: #242424;
  line-height: 26px;
  margin-bottom: 5px;
  list-style: disc;
}

main.main .swiper_d .swiper-slide-active .swiper_item {
  background: #FFFFFF;
  box-shadow: 0px 1px 27px rgba(52, 52, 52, 0.1);
}

.swiper_d .swiper-slide {
  width: 60% !important;
  position: relative;
}


swiper-slide-active {
  color: red;
}

@media screen and (max-width: 750px) {

  .swiper_d .swiper-slide {
    width: 100% !important;

  }

  .b_nav {
    background-color: #fff;
    border-bottom: 1px solid #eee;
    position: fixed;
    top: 0;
  }

  main.main .swiper_d .swiper_item ul {
    padding: 10px 20px 10px;
    margin-left: 18px;
  }

  .fzls .innerText {
    display: none !important;
  }

  .fzls {
    width: 100%;
    overflow: hidden;
  }

  .fzls img {
    width: 100%;
    /*height: 260px;*/
  }

  .innerBanner {
    display: block;
  }

  .innerBanner .nav_d {
    position: static;
  }

  .fzls .innerText {
    top: 50%;
    width: 80%;
    left: 0;
    right: 0;
    margin: 0 auto;
  }

  .fzls2 .title {
    font-size: 18px !important;
  }

  .fzls2 p {
    font-size: 14px !important;
  }

  .innerBanner .nav_d {
    display: block;
    padding: 0 10px;
    border-bottom: 1px solid #ccc;
  }

  .img_d img {
    height: auto;
  }

  .innerBanner .nav_d .left {
    padding-top: 16px;
    width: 100%;
  }

  .innerBanner .nav_d .right {
    display: none;
  }

  .innerBanner .nav_d {
    width: 100%;
  }

  .innerBanner .img {
    margin-top: 60px;
  }

  .innerBanner .innerText {
    width: 95%;
    top: 40%;
  }


  .bg1_d .center {
    width: 100%;
    text-align: center;
    display: block;
  }

  .bg1_d .center .left {
    width: 100%;
  }

  .bg1_d .center .left p {
    width: 80vw;
    margin: 0 auto;
  }

  .bg1_d .center .right {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .bg2_d .center {
    width: 100%;
    text-align: center;
    display: block;
  }

  .bg2_d .center .left {
    width: 100%;
  }

  .bg2_d .center .left p {
    width: 90vw;
    margin: 30px auto;
  }

  .bg2_d .center .right {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .bg2_d .center .right img {
    width: 80vw;
  }

  main.main {
    padding: 20px 0;
    height: auto;
  }

  main.main .year {
    width: 100%;
  }

  main.main .year .year_top {
    width: 95%;
  }

  .year_line {
    display: none !important;
  }

  main.main .year .year_top .center_d .item_d {
    font-size: 12px;
  }

  main.main .year .year_top .center_d .item_d.active {
    font-size: 14px;
  }

  main.main .swiper_d .swiper_item .swiper_img {
    padding: 0;
  }

  main.main .swiper_d .swiper_item {
    width: 98%;
    margin: 0 auto;
    height: auto;
  }

  main.main .swiper_d .swiper_item ul li {}
}
<!--0.00024700164794922-->