/* 面包屑模块 crumbs */
.crumbs {
  position: relative;
}
.crumbs_1 {
  position: absolute;
  width: 40%;
  height: 300px;
  overflow: hidden;
  right: 30px;
  top: 19%;
  line-height: 1.7;
  color: #000;
  font-size: 1.6vw;
}

/* 时间线居中缩放轮播 timeline-swiper */
.timeline-swiper {
  width: 100%;
  height: 500px;
  overflow: hidden;
  padding: 60px 0;
}
/* 所有幻灯片默认样式 */
.timeline-swiper .swiper-slide {
  opacity: 0.4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
}
/* 激活居中放大 */
.timeline-swiper .swiper-slide-active {
  opacity: 1;
  transform: scale(1.5);
}
/* 年份文字 */
.year {
  font-size: 30px;
  color: #0069ab;
  margin-bottom: 15px;
  transition: all 0.3s ease;
}
.timeline-swiper .swiper-slide-active .year {
  font-size: 58px;
  font-weight: bold;
  color: #0069ab;
}
/* 描述文本默认隐藏 */
.desc {
  font-size: 12px;
  color: #333;
  text-align: center;
  line-height: 1.6;
  max-width: 460px;
  opacity: 0;
  display: none;
  transition: all 0.4s ease;
}
.timeline-swiper .swiper-slide-active .desc {
  opacity: 1;
  display: block;
}
/* 轮播箭头 */
.timeline-swiper .swiper-button-prev,
.timeline-swiper .swiper-button-next {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #0069ab;
  color: #fff;
  opacity: 0.8;
}
.timeline-swiper .swiper-button-prev:hover,
.timeline-swiper .swiper-button-next:hover {
  opacity: 1;
}
.timeline-swiper .swiper-button-prev::after,
.timeline-swiper .swiper-button-next::after {
  font-size: 20px;
}

/* Tab选项卡通用组件 */
.my-tab-wrap {
  width: 100%;
  margin: 30px auto;
  font-size: 14px;
}
.my-tab-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 60px;
}
.my-tab-nav-btn {
  padding: 15px 18px;
  font-size: 18px;
  color: #000;
  background: #ebf4f9;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: none;
}
.my-tab-nav-btn:hover {
  color: #fff;
  background: #0069ab;
}
.my-tab-nav-btn.my-tab-active {
  color: #fff;
  background: #0069ab;
}
.my-tab-content {
  padding: 0;
}
.my-tab-pane {
  display: none;
}
.my-tab-pane.my-tab-active {
  display: block;
}

/* 服务卡片模块 service_2 */
.service_2 {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background: #efefef;
}
.service_2_1 {
  width: 100%;
  max-width: 1580px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: 10px 0 0;
}
.service_2_4b_1 {
  width: 23%;
  overflow: hidden;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  border-radius: 6px;
  background: #fff;
}
.service_2_4b_2 {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}
.service_2_4b_2 img {
  width: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}
.service_2_4b_1:hover .service_2_4b_2 img {
  transform: scale(1.05);
}
.service_2_4b_3 {
  width: 100%;
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.service_2_4b_4 {
  width: 100%;
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.service_2_4b_3_1 {
  width: 90%;
  height: auto;
  font-size: 18px;
  line-height: 20px;
  color: #000;
  margin: 10px 0;
  text-align: center;
  overflow: hidden;
}
.service_2_4b_3_2 {
  width: 80%;
  height: auto;
  font-size: 16px;
  line-height: 26px;
  color: #686c6d;
  text-align: left;
  margin-top: 20px;
  margin-bottom: 20px;
  overflow: hidden;
}

/* 关于我们板块 about_z */
.about_z {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background: url("/skin/images1/about_1.jpg") center no-repeat;
}
.about_1 {
  width: 100%;
  max-width: 1580px;
  height: auto;
  margin: 70px 0 0;
  overflow: hidden;
  padding: 0;
  display: flex;
  justify-content: space-between;
}
.about_1_1 {
  width: 32%;
  overflow: hidden;
  line-height: 0;
  position: relative;
  border-radius: 0;
}
.about_1_2 {
  width: 100%;
  overflow: hidden;
  z-index: 10;
  position: absolute;
  top: 90px;
}
.about_1_2_1 {
  width: 100%;
  height: 50px;
  overflow: hidden;
  font-size: 30px;
  color: #fff;
  line-height: 50px;
  text-align: center;
}
.about_1_2_2 {
  width: 100%;
  height: 50px;
  overflow: hidden;
  font-size: 18px;
  color: #fff;
  line-height: 50px;
  text-align: center;
}
.about_1_2_3 {
  width: 100%;
  height: 50px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  margin-top: 50px;
}
.about_1_1 img {
  width: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}
.about_1_1:hover img {
  transform: scale(1.05);
}
.about_1_1 iframe {
  width: 100%;
  height: 100%;
}

.about_2 {
  height: 60px;
  width: 100%;
  max-width: 1580px;
  margin: 50px 0;
  overflow: hidden;
  padding: 0;
  display: flex;
  justify-content: space-between;
}
.about_2_1 {
  width: auto;
  overflow: hidden;
  line-height: 0;
  border-radius: 0;
  display: flex;
  justify-content: space-around;
}
.about_2_2 {
  width: 3px;
  height: 100%;
  background: #016aac;
  overflow: hidden;
}
.about_2_3 {
  width: 1px;
  height: 100%;
  overflow: hidden;
}
.about_2_1_1 {
  overflow: hidden;
  font-size: 36px;
  color: #000;
  line-height: 60px;
  text-align: center;
  font-variant-numeric: proportional-nums;
}
.about_2_1_2 {
  overflow: hidden;
  font-size: 18px;
  color: #000;
  line-height: 30px;
  text-align: center;
}
.about_2_1_3 {
  overflow: hidden;
  font-size: 18px;
  color: #5a5b5d;
  line-height: 70px;
  text-align: center;
}

.about_3_2_1 {
  width: 100px;
  height: 100px;
  overflow: hidden;
}
.about_3_2_1x {
  width: 100px;
  height: 100px;
  overflow: hidden;
}
.about_3_2_1 img {
  width: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}
.about_3_2_1:hover img {
  transform: scale(1.09);
}

.about_3z {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.about_3_a {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background: linear-gradient(to top, #e6eaf4, #e6eaf4, #e9ecf6, #fff, #fff);
}
.about_3_b {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background: url("/skin/images1/about_7.jpg") center;
}
.about_3_c {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.about_3 {
  height: auto;
  width: 100%;
  max-width: 1580px;
  margin: 50px 0;
  overflow: hidden;
  padding: 0;
}
.about_3_1 {
  width: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  color: #000;
  font-size: 30px;
  line-height: 2;
}
.about_3_1_1 {
  width: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  color: #000;
  font-size: 16px;
  line-height: 2;
  margin-bottom: 30px;
}
.about_3_2 {
  width: 100%;
  overflow: hidden;
  margin: 30px 0 0;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
.about_3_3 {
  width: 100%;
  height: 520px;
  overflow: hidden;
  margin: 30px 0 0;
  background: url("/skin/images1/about_6.jpg") center no-repeat;
}
.about_3_4 {
  width: 100%;
  overflow: hidden;
  margin: 50px 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.about_3_4_1 {
  width: 20.1%;
  overflow: hidden;
  margin-bottom: 30px;
}
.about_3_4_2 {
  width: 100%;
  overflow: hidden;
  aspect-ratio: 3/4.2;
}
.about_3_4_2 img {
  width: 96%;
  box-shadow: 2px 3px 5px rgba(0, 0, 0, 0.15);
  object-fit: cover;
  transition: all 0.4s ease;
}
.about_3_4_2:hover img {
  transform: scale(1.05);
}
.about_3_4_3 {
  width: 100%;
  text-align: center;
  font-size: 15px;
  color: #2F2F2F;
}

.about_3_4_6 {
  width: 20.1%;
  overflow: hidden;
  margin-bottom: 100px;
  -webkit-box-reflect: below -12px linear-gradient(transparent 50%, rgba(0,0,0,0.2));
  box-reflect: below 0px linear-gradient(transparent 50%, rgba(0,0,0,0.2));
}
.about_3_4_7 {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.about_3_4_7 img {
  width: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}
.about_3_4_7:hover img {
  transform: scale(1.05);
}
.about_3_4_8 {
  width: 98%;
  height: 60px;
  font-size: 18px;
  color: #fff;
  line-height: 60px;
  text-align: right;
  overflow: hidden;
  position: absolute;
  bottom: 0;
}

.about_3_4a_1 {
  width: 49.4%;
  overflow: hidden;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
}
.about_3_4a_2 {
  width: 58%;
  overflow: hidden;
  line-height: 0;
}
.about_3_4a_2 img {
  width: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}
.about_3_4a_2:hover img {
  transform: scale(1.05);
}
.about_3_4a_3 {
  width: 39%;
  overflow: hidden;
  background: linear-gradient(to right, #e3eaf2, #f6f7fb);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.about_3_4a_4 {
  width: 39%;
  overflow: hidden;
  background: linear-gradient(to right, #f6f7fb, #e3eaf2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.about_3_4a_3_1 {
  width: 80%;
  font-size: 27px;
  line-height: 2;
  color: #0168ab;
  font-weight: 600;
  text-align: center;
  margin-bottom: 20px;
}
.about_3_4a_3_2 {
  width: 80%;
  font-size: 15px;
  line-height: 1.8;
  color: #111;
  text-align: center;
}

/* 资质数值轮播 info_zizhi */
.info_zizhi {
  padding: 0 50px 20px;
  position: relative;
}
.info_zizhi .iz_ul {
  overflow: hidden;
  padding: 25px 0;
  position: relative;
  margin-top: 190px;
}
.info_zizhi .iz_ul .swiper-slide {
  padding: 30px 46px;
  border-radius: 9px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.info_zizhi .iz_ul .iz_img {
  width: 100%;
  padding-bottom: 138%;
  position: relative;
}
.info_zizhi .iz_ul .positionimg img {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  object-fit: cover;
}
.iz_ul .swiper-slide .rhz_txt {
  font-size: 35px;
  color: #0069ab;
  margin-top: 50px;
}
.iz_ul .swiper-slide-active .rhz_txt {
  font-size: 135px;
  line-height: 1;
  margin-top: 0;
}
.iz_ul .swiper-slide .rhz_txt_1 {
  color: #111;
  font-size: 16px;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.95);
  transition: all 0.3s ease;
}
.iz_ul .swiper-slide-active .rhz_txt_1 {
  color: #111;
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.info_zizhi .iz_ul .swiper-button-prev,
.info_zizhi .iz_ul .swiper-button-next {
  color: #fff;
  width: 40px;
  height: 40px;
  outline: none;
  margin-top: -20px;
  background-color: rgba(30,107,165,0.6);
  background-size: auto 9px;
  border-radius: 50%;
}
.info_zizhi .iz_ul .swiper-button-next {
  right: 0;
}

/* 按钮 about_1_an */
.about_1_an {
  width: 170px;
  height: 30px;
  background: linear-gradient(to right, #fff, #fff);
  font-size: 16px;
  color: #111;
  line-height: 30px;
  border-radius: 5px;
  text-align: center;
}
.about_1_an:hover {
  background: linear-gradient(to right, #086fb2, #3699da);
  color: #fff;
}

/* 产品案例板块 pronr */
.pronr {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: -20px;
}
.pronr_1 {
  width: 100%;
  max-width: 1580px;
  height: auto;
  margin-bottom: 75px;
  overflow: hidden;
  background: #efefef;
  border-radius: 10px;
  padding: 0;
}
.pronr_1_1 {
  width: 100%;
  height: auto;
  font-size: 25px;
  font-weight: 600;
  line-height: 1.5;
  color: #1B1B1B;
  margin-top: 50px;
  text-align: center;
  overflow: hidden;
}
.pronr_1_2 {
  width: 100%;
  height: auto;
  margin-top: 30px;
  margin-bottom: 50px;
  text-align: center;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
}
.pronr_1_2_1 {
  width: 40%;
  margin: 0 5%;
  height: auto;
  margin-bottom: 10px;
  border-bottom: solid 2px #b5b5b5;
  overflow: hidden;
  display: flex;
}
.pronr_1_2_1_1 {
  width: 46%;
  margin: 0 2%;
  height: auto;
  overflow: hidden;
  color: #1A1A1A;
  font-size: 18px;
  line-height: 2;
  font-weight: 600;
  text-align: left;
}
.pronr_1_2_1_2 {
  width: 46%;
  margin: 0 2%;
  height: auto;
  overflow: hidden;
  color: #1A1A1A;
  font-size: 18px;
  line-height: 2;
  text-align: right;
}

.pronr_2 {
  width: 100%;
  max-width: 1580px;
  height: auto;
  margin-bottom: 75px;
  overflow: hidden;
  padding: 0;
  display: flex;
  justify-content: space-between;
}
.pronr_2_1 {
  width: 49%;
  overflow: hidden;
  border: solid 1px #e1e1e1;
  line-height: 0;
}

.pronr_3 {
  width: 100%;
  max-width: 1580px;
  height: auto;
  margin-bottom: 75px;
  overflow: hidden;
  padding: 0;
  display: flex;
  justify-content: space-between;
}
.pronr_3_1 {
  width: 32%;
  overflow: hidden;
  line-height: 0;
  position: relative;
  border-radius: 10px;
}
.pronr_3_2 {
  width: 100%;
  height: 100px;
  overflow: hidden;
  z-index: 10;
  position: absolute;
  bottom: 0;
}
.pronr_3_2_1 {
  width: 100%;
  height: 50px;
  background: rgba(0,105,171,0.4);
  overflow: hidden;
  font-size: 18px;
  color: #fff;
  line-height: 50px;
  text-align: center;
}
.pronr_3_2_2 {
  width: 100%;
  height: 50px;
  background: #efe8e2;
  overflow: hidden;
  text-align: center;
}
.pronr_3_2_2 a {
  width: 100%;
  height: 100%;
  display: block;
  font-size: 18px;
  color: #000;
  line-height: 50px;
  text-align: center;
}
.pronr_3_1:hover .pronr_3_2_2 {
  background: #0069ab;
}
.pronr_3_1:hover .pronr_3_2_2 a {
  color: #fff;
}
.pronr_3_1 img {
  width: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}
.pronr_3_1:hover img {
  transform: scale(1.05);
}

.pronr_4 {
  width: 100%;
  max-width: 1580px;
  height: auto;
  margin-bottom: 10px;
  overflow: hidden;
  padding: 0;
  display: flex;
  justify-content: space-between;
}
.pronr_4_1 {
  width: 100%;
  max-width: 1580px;
  height: auto;
  overflow: hidden;
  padding: 0;
  text-align: left;
  font-size: 27px;
  line-height: 3;
  color: #000000;
}

.pronr_5 {
  width: 100%;
  max-width: 1580px;
  height: auto;
  margin-bottom: 75px;
  overflow: hidden;
  padding: 0;
  display: flex;
  justify-content: space-between;
  background: #efefef;
}

.pronrtj {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background: #efefef;
  padding: 50px 0;
}
.pronrtop {
  width: 100%;
  height: 850px;
  background: url("/skin/images1/bg-bg2.jpg") center no-repeat;
  padding: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
}
.nrt_1 {
  width: 440px;
  height: 700px;
  margin-top: 75px;
  background: #fff;
  overflow: hidden;
}
.nrt_1_1 {
  width: 410px;
  height: auto;
  margin-top: 15px;
  margin-left: 15px;
  line-height: 0;
  overflow: hidden;
  border: solid 1px #e1e1e1;
}
.nrt_1_2 {
  width: 440px;
  height: 700px;
  margin-top: 75px;
  background: #fff;
  overflow: hidden;
}
.nrt_1_3 {
  width: 440px;
  height: 700px;
  margin-top: 75px;
  background: #fff;
  overflow: hidden;
}
.nrt_2 {
  width: 700px;
  height: 700px;
  margin-top: 75px;
  overflow: hidden;
}
.nrt_3 {
  width: 440px;
  height: 700px;
  margin-top: 75px;
  overflow: hidden;
}
.nrt_3_1 {
  width: 440px;
  overflow: hidden;
  color: #1A1A1A;
  font-size: 30px;
  line-height: 2;
}
.nrt_3_2 {
  width: 440px;
  overflow: hidden;
  color: #1A1A1A;
  font-size: 18px;
  line-height: 2;
  margin-top: 20px;
}
.nrt_3_3 {
  width: 440px;
  height: 600px;
  overflow: hidden;
  margin-top: 20px;
  background: rgba(255,255,255,0.5);
}
.nrt_3_3_1 {
  width: 370px;
  margin: 30px;
  color: #1A1A1A;
  font-size: 16px;
  line-height: 1.8;
}

/* 移动端适配 768px */
@media screen and (max-width: 768px) {
  .pro_top {
    height: 10px;
  }
  .product-tops {
    padding: 0;
  }

  .crumbs_1 {
    position: absolute;
    width: 53%;
    height: auto;
    overflow: hidden;
    right: 3px;
    top: 25%;
    line-height: 1.8;
    color: #000;
    font-size: 1.9vw;
  }

  .service_2_1 {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-evenly;
  }
  .service_2_4b_1 {
    width: 43%;
    overflow: hidden;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    border-radius: 6px;
    background: #fff;
  }
  .my-tab-nav-btn {
    padding: 10px 10px;
    font-size: 16px;
    color: #000;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: none;
  }
  .my-tab-nav {
    gap: 10px;
    margin-bottom: 40px;
  }

  .info_zizhi {
    padding: 20px 0 5px 0;
  }
  .info_zizhi .iz_ul {
    padding: 15px 0;
    margin-top: 0;
  }
  .info_zizhi .iz_ul .swiper-slide {
    padding: 12px 15px;
  }

  .about_1 {
    width: 100%;
    height: auto;
    margin: 15px 0 0;
    overflow: hidden;
    padding: 0;
    flex-direction: column;
    align-items: center;
  }
  .about_1_1 {
    width: 94%;
    margin-bottom: 15px;
  }

  .about_z {
    background: none;
  }
  .about_2 {
    height: auto;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: center;
  }
  .about_2_3 {
    display: none;
  }
  .about_2_2 {
    display: none;
  }
  .about_2_1 {
    width: 45%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .about_3_1_1 {
    width: 94%;
    margin-left: 3%;
  }
  .about_2_1_3 {
    line-height: 40px;
    width: 100%;
  }

  .about_3_4 {
    width: 100%;
    overflow: hidden;
    margin: 50px 0 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .about_3_4_6 {
    width: 94%;
    margin-left: 3%;
  }
  .about_1_2_1 {
    width: 100%;
    height: 40px;
    overflow: hidden;
    font-size: 26px;
    color: #fff;
    line-height: 40px;
    text-align: center;
}
.about_1_2_2 {
    width: 100%;
    height: 40px;
    overflow: hidden;
    font-size: 16px;
    color: #fff;
    line-height: 40px;
    text-align: center;
}
.about_1_2_3 {

    margin-top: 30px;
}
  
.about_1_2 {
    top: 60px;
}
  
  
  
  
}

/* 平板适配 992px 时间线轮播 */
@media (max-width: 992px) {
  .timeline-swiper {
    height: 450px;
  }
  .year {
    font-size: 24px;
  }
  .timeline-swiper .swiper-slide-active .year {
    font-size: 42px;
  }
  .desc {
    font-size: 11px;
    max-width: 280px;
  }
}
.banner-img-y{display:block;}
.banner-img-m{display:none;}

/* 手机端 768px 时间线轮播独立适配 */
@media (max-width: 768px) {
  .timeline-swiper {
    height: 400px;
    padding: 40px 0;
  }
  .year {
    font-size: 22px;
  }
  .timeline-swiper .swiper-slide-active .year {
    font-size: 36px;
    transform: scale(1.1);
  }
  .desc {
    font-size: 10px;
    max-width: 80%;
    padding: 0 10px;
  }
  .timeline-swiper .swiper-button-prev,
  .timeline-swiper .swiper-button-next {
    width: 40px;
    height: 40px;
  }
  .crumbs {
    position: relative;
    overflow: hidden;
}
  

.banner-img-y{display:none;}
.banner-img-m{display:block;}
  
  
  
  
}

@media screen and (max-width: 320px) {
  .pro_top {
    height: 10px;
  }
  .product-tops {
    padding: 0;
  }

  .crumbs_1 {
    position: absolute;
    width: 68%;
    height: auto;
    overflow: hidden;
    right: 3px;
    top: 25%;
    line-height: 1.8;
    color: #000;
    font-size: 1.8vw;
  }

  
}