.banner {
  width: 100%;
  height: 100vh;
  position: relative;
}

.banner video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner .banner_box {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.banner .banner_box .banner_contnet {
  width: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.banner .banner_box .banner_contnet h1 {
  font-family: 'YOUSHEhaoshenti';
  color: #FFF;
  font-size: 80px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 6px;
}

.banner .banner_box .banner_contnet .banner_btn {
  margin-top: 59px;
  width: 109px;
  height: 52px;
  cursor: pointer;
}

.banner .banner_box .banner_contnet .banner_btn img {
  width: 100%;
  height: 100%;
}

.leading {
  width: 100%;
  height: 580px;
  background: url(../jpg/leading_bg.jpg) no-repeat;
  background-size: 100% 100%;
  padding-top: 100px;
}

.leading h3 {
  color: #111;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 2px;
}

.leading .desc {
  margin-top: 19px;
  color: #999;
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 1.8px;
}

.leading .leading_box {
  width: 100%;
  height: auto;
  margin-top: 102px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.leading .leading_box .leading_item {
  flex-shrink: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.leading .leading_box .leading_item .item_icon {
  width: 89px;
  height: 89px;
}

.leading .leading_box .leading_item .item_icon img {
  width: 100%;
  height: 100%;
}

.leading .leading_box .leading_item .item_box {
  margin-top: 23px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.leading .leading_box .leading_item .item_box .item_title {
  color: #111;
  font-size: 32px;
  font-style: normal;
  font-weight: 600;
  line-height: normal;
  letter-spacing: 0.64px;
}

.leading .leading_box .leading_item .item_box .item_title span {
  font-weight: 400;
  font-size: 22px;
}

.leading .leading_box .leading_item .item_box .item_desc {
  margin-top: 8px;
  color: #999;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 0.8px;
}

.about {
  width: 100%;
  height: auto;
  padding: 132px 0 148px;
  background: #fff;
}

.about .about_box {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.about .about_box .about_l {
  width: 200px;
  height: auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
}

.about .about_box .about_l .about_l_top {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.about .about_box .about_l .about_l_top h3 {
  text-align: left;
  color: #111;
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 120% */
  letter-spacing: 2.5px;
}

.about .about_box .about_l .about_l_top h3 span {
  color: #D80C18;
}

.about .about_box .about_l .about_l_top .line {
  margin-top: 40px;
  width: 100%;
  height: 11px;
  position: relative;
}

.about .about_box .about_l .about_l_top .line::after {
  content: '';
  width: 50px;
  height: 11px;
  background: url(../png/line.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.about .about_box .about_l .about_l_top p {
  margin-top: 39px;
  text-align: left;
  color: #111;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 150% */
}

.about .about_box .about_l .about_l_bot {
  width: auto;
  height: auto;
}

.about .about_box .about_l .about_l_bot .more {
  width: auto;
  height: 52px;
  padding: 0 27px 0 21px;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  border-radius: 20px 0px;
  border: 1px solid #B4B4B4;
}

.about .about_box .about_l .about_l_bot .more:hover {
  background: #D80C18;
  border: 1px solid #D80C18;
}

.about .about_box .about_l .about_l_bot .more:hover p {
  color: #fff;
}

.about .about_box .about_l .about_l_bot .more:hover .more_img img:first-child {
  display: none;
}

.about .about_box .about_l .about_l_bot .more:hover .more_img img:last-child {
  display: block;
}

.about .about_box .about_l .about_l_bot .more p {
  color: #666;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 0px;
  /* 0% */
}

.about .about_box .about_l .about_l_bot .more .more_img {
  margin-left: 26px;
  width: 12px;
  height: 12px;
}

.about .about_box .about_l .about_l_bot .more .more_img img {
  width: 100%;
  height: 100%;
}

.about .about_box .about_l .about_l_bot .more .more_img img:first-child {
  display: block;
}

.about .about_box .about_l .about_l_bot .more .more_img img:last-child {
  display: none;
}

.about .about_box .about_r {
  width: 1060px;
  height: auto;
}

.about .about_box .about_r .about_r_desc {
  width: 100%;
  height: auto;
}

.about .about_box .about_r .about_r_desc p {
  text-align: left;
  color: #666;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 35px;
  /* 218.75% */
}

.about .about_box .about_r .about_r_desc p span {
  color: #D80C18;
}

.about .about_box .about_r .about_r_img {
  margin-top: 90px;
  width: 100%;
  height: 400px;
}

.about .about_box .about_r .about_r_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.promise {
  width: 100%;
  height: auto;
  padding: 95px 0;
  background: #F9F9F9;
}

.promise .pro_box {
  width: 100%;
  height: auto;
}

.promise .pro_box .pro_b_top {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.promise .pro_box .pro_b_top .pro_b_t_l h3 {
  text-align: left;
  color: #111;
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 120% */
  letter-spacing: 2.5px;
}

.promise .pro_box .pro_b_top .pro_b_t_l h3 span {
  color: #D80C18;
}

.promise .pro_box .pro_b_top .pro_b_t_l .line {
  margin-top: 20px;
  width: 100%;
  height: 11px;
  position: relative;
}

.promise .pro_box .pro_b_top .pro_b_t_l .line::after {
  content: '';
  width: 50px;
  height: 11px;
  background: url(../png/line.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.promise .pro_box .pro_b_top .pro_b_t_r p {
  color: #111;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 2px;
}

.promise .pro_box .pro_b_b {
  margin-top: 80px;
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.promise .pro_box .pro_b_b .pro_item {
  width: 402px;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.promise .pro_box .pro_b_b .pro_item .item_img {
  width: 88px;
  height: 88px;
}

.promise .pro_box .pro_b_b .pro_item .item_img img {
  width: 100%;
  height: 100%;
}

.promise .pro_box .pro_b_b .pro_item .item_box {
  margin-top: 30px;
  width: 100%;
  height: auto;
}

.promise .pro_box .pro_b_b .pro_item .item_box .item_title {
  color: #111;
  text-align: left;
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 125% */
}

.promise .pro_box .pro_b_b .pro_item .item_box .item_desc {
  text-align: left;
  margin-top: 19px;
  color: #666;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 187.5% */
}

.business {
  width: 100%;
  height: auto;
  padding: 140px 0 149px;
  background: #F9F9F9;
}

.business .bus_top {
  width: 100%;
  height: auto;
}

.business .bus_top .bus_t_box {
  width: 100%;
  height: auto;
}

.business .bus_top .bus_t_box .title {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.business .bus_top .bus_t_box .title h3 {
  text-align: left;
  color: #111;
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 120% */
  letter-spacing: 2.5px;
}

.business .bus_top .bus_t_box .title h3 span {
  color: #D80C18;
}

.business .bus_top .bus_t_box .line {
  margin-top: 26px;
  width: 100%;
  height: 11px;
  position: relative;
}

.business .bus_top .bus_t_box .line::after {
  content: '';
  width: 50px;
  height: 11px;
  background: url(../png/line.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.business .bus_top .bus_t_box .desc {
  text-align: left;
  margin-top: 46px;
  color: #999;
  font-size: 20px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 2px;
}

.business .bus_bot_box {
  width: 100%;
  height: auto;
  margin-top: 90px;
  padding-left: 10.5%;
}

.business .bus_bot {
  width: 100%;
  height: auto;
}

.business .bus_bot:hover {
  cursor: pointer;
}

.business .bus_bot:hover .tips {
  display: block;
}

.business .bus_bot .bus_item {
  width: 480px !important;
  height: 700px;
  overflow: hidden;
  position: relative;
  margin-right: 40px;
}

.business .bus_bot .bus_item:hover .mask {
  top: 0%;
}

.business .bus_bot .bus_item:hover .item_box {
  bottom: 0%;
}

.business .bus_bot .bus_item:hover .item_box .item_desc {
  margin-top: 23px;
}

.business .bus_bot .bus_item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.business .bus_bot .bus_item .mask {
  transition: all 0.6s;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 100%;
  left: 0;
  background: url(../png/bus_mask.png) no-repeat;
  background-size: 100% 100%;
  z-index: 1;
}

.business .bus_bot .bus_item .item_box {
  transition: all 0.6s;
  width: 100%;
  height: auto;
  position: absolute;
  bottom: -32%;
  left: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 71px 70px;
}

.business .bus_bot .bus_item .item_box .item_title {
  color: #FFF;
  text-align: center;
  font-size: 30px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 100% */
}

.business .bus_bot .bus_item .item_box .item_desc {
  transition: all 0.6s;
  color: #FFF;
  text-align: center;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 187.5% */
  margin-top: 50px;
}

.business .bus_bot .bus_item .item_box .more {
  margin-top: 47px;
  width: auto;
  height: 52px;
  padding: 0 27px 0 21px;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  border-radius: 20px 0px;
  border: 1px solid #fff;
}

.business .bus_bot .bus_item .item_box .more p {
  color: #fff;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 0px;
  /* 0% */
}

.business .bus_bot .bus_item .item_box .more .more_img {
  margin-left: 26px;
  width: 12px;
  height: 12px;
}

.business .bus_bot .bus_item .item_box .more .more_img img {
  width: 100%;
  height: 100%;
}

.business .bus_bot .bus_item .item_box .more .more_img img:first-child {
  display: block;
}

.business .bus_bot .bus_item .item_box .more .more_img img:last-child {
  display: none;
}

.business .bus_bot .tips {
  display: none;
  z-index: 15;
  width: 70px;
  height: 70px;
  position: absolute;
  top: 50%;
  right: 8.7%;
  transform: translateY(-50%);
}

.business .bus_bot .tips img {
  width: 100%;
  height: 100%;
}

.news {
  width: 100%;
  height: auto;
  padding: 104px 0 163px;
  background: #FFF;
}

.news .news_top {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.news .news_top .news_t_l {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.news .news_top .news_t_l h3 {
  text-align: left;
  color: #111;
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 120% */
  letter-spacing: 2.5px;
}

.news .news_top .news_t_l h3 span {
  color: #D80C18;
}

.news .news_top .news_t_l .line {
  margin-top: 26px;
  width: 100%;
  height: 11px;
  position: relative;
}

.news .news_top .news_t_l .line::after {
  content: '';
  width: 50px;
  height: 11px;
  background: url(../png/line.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.news .news_top .more {
  margin-top: 34px;
  width: auto;
  height: 52px;
  padding: 0 27px 0 21px;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  border-radius: 20px 0px;
  border: 1px solid #B4B4B4;
}

.news .news_top .more:hover {
  background: #D80C18;
  border: 1px solid #D80C18;
}

.news .news_top .more:hover p {
  color: #fff;
}

.news .news_top .more:hover .more_img img:first-child {
  display: none;
}

.news .news_top .more:hover .more_img img:last-child {
  display: block;
}

.news .news_top .more p {
  color: #666;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 0px;
  /* 0% */
}

.news .news_top .more .more_img {
  margin-left: 26px;
  width: 12px;
  height: 12px;
}

.news .news_top .more .more_img img {
  width: 100%;
  height: 100%;
}

.news .news_top .more .more_img img:first-child {
  display: block;
}

.news .news_top .more .more_img img:last-child {
  display: none;
}

.news .news_bot {
  width: 100%;
  height: auto;
  margin-top: 33px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.news .news_bot .news_b_l {
  width: 720px;
  height: auto;
}

.news .news_bot .news_b_l .news_title {
  text-align: left;
  color: #111;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 2px;
}

.news .news_bot .news_b_l .news_b_img {
  width: 100%;
  height: 440px;
  margin-top: 83px;
}

.news .news_bot .news_b_l .news_b_img .img_item {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.news .news_bot .news_b_l .news_b_img .img_item:hover img {
  transform: scale(1.05);
}

.news .news_bot .news_b_l .news_b_img .img_item img {
  transition: all 0.6s;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news .news_bot .news_b_r {
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.news .news_bot .news_b_r .news_item {
  margin-top: 50px;
  width: 630px;
  height: auto;
  padding-bottom: 53px;
  border-bottom: 2px solid #EDEDED;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.news .news_bot .news_b_r .news_item.active {
  width: 680px;
  border-bottom: 2px solid #D80C18;
}

.news .news_bot .news_b_r .news_item.active .more {
  display: inline-flex;
}

.news .news_bot .news_b_r .news_item:first-child {
  margin-top: 0;
}

.news .news_bot .news_b_r .news_item .item_top {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.news .news_bot .news_b_r .news_item .item_top .item_line {
  width: 6px;
  height: 30px;
  border-radius: 20px 0px;
  background: #D80C18;
}

.news .news_bot .news_b_r .news_item .item_top .item_cat {
  margin-left: 13px;
  color: #D80C18;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 187.5% */
}

.news .news_bot .news_b_r .news_item .item_top .item_date {
  margin-left: 19px;
  color: #999;
  font-family: 'DIN';
  font-size: 18px;
  font-style: normal;
  font-weight: 500;
  line-height: 20px;
  /* 111.111% */
}

.news .news_bot .news_b_r .news_item .item_title_box {
  text-align: left;
  margin-top: 20px;
  color: #111;
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: 35px;
  /* 145.833% */
  letter-spacing: 0.48px;
}

.news .news_bot .news_b_r .news_item .item_title_box .item_title {
  color: #111;
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: 35px;
  /* 145.833% */
  letter-spacing: 0.48px;
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.news .news_bot .news_b_r .news_item .more {
  margin-top: 40px;
  width: auto;
  height: 52px;
  padding: 0 27px 0 21px;
  display: none;
  flex-direction: row;
  align-items: center;
  border-radius: 20px 0px;
  background: #D80C18;
  border: 1px solid #D80C18;
}

.news .news_bot .news_b_r .news_item .more p {
  color: #fff;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 0px;
  /* 0% */
}

.news .news_bot .news_b_r .news_item .more .more_img {
  margin-left: 26px;
  width: 12px;
  height: 12px;
}

.news .news_bot .news_b_r .news_item .more .more_img img {
  width: 100%;
  height: 100%;
}

.news .news_bot .news_b_r .news_item .more .more_img img:first-child {
  display: block;
}

.lowcarbon {
  width: 100%;
  height: 550px;
  position: relative;
}

.lowcarbon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lowcarbon .low_box {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.lowcarbon .low_box .low_content {
  position: absolute;
  bottom: 70px;
  left: 0;
}

.lowcarbon .low_box .low_content .low_title {
  text-align: left;
  color: #fff;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: 55px;
}

.lowcarbon .low_box .low_content .line {
  margin-top: 26px;
  width: 100%;
  height: 11px;
  position: relative;
}

.lowcarbon .low_box .low_content .line::after {
  content: '';
  width: 50px;
  height: 11px;
  background: url(../png/line.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  top: 0;
  left: 0;
}

@media screen and (max-width: 1750px) {
  .banner {
    width: 100%;
    height: 100vh;
    position: relative;
  }
  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .banner .banner_box .banner_contnet {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .banner .banner_box .banner_contnet h1 {
    font-family: 'YOUSHEhaoshenti';
    color: #FFF;
    font-size: 3.88571vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.29143vw;
  }
  .banner .banner_box .banner_contnet .banner_btn {
    margin-top: 2.86571vw;
    width: 5.29429vw;
    height: 2.52571vw;
    cursor: pointer;
  }
  .banner .banner_box .banner_contnet .banner_btn img {
    width: 100%;
    height: 100%;
  }
  .leading {
    width: 100%;
    height: 28.17143vw;
    background: url(../jpg/leading_bg.jpg) no-repeat;
    background-size: 100% 100%;
    padding-top: 4.85714vw;
  }
  .leading h3 {
    color: #111;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.09714vw;
  }
  .leading .desc {
    margin-top: 0.92286vw;
    color: #999;
    font-size: 0.87429vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.08743vw;
  }
  .leading .leading_box {
    width: 100%;
    height: auto;
    margin-top: 4.95429vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .leading .leading_box .leading_item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .leading .leading_box .leading_item .item_icon {
    width: 4.32286vw;
    height: 4.32286vw;
  }
  .leading .leading_box .leading_item .item_icon img {
    width: 100%;
    height: 100%;
  }
  .leading .leading_box .leading_item .item_box {
    margin-top: 1.11714vw;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .leading .leading_box .leading_item .item_box .item_title {
    color: #111;
    font-size: 1.55429vw;
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0.03109vw;
  }
  .leading .leading_box .leading_item .item_box .item_title span {
    font-weight: 400;
    font-size: 1.06857vw;
  }
  .leading .leading_box .leading_item .item_box .item_desc {
    margin-top: 0.38857vw;
    color: #999;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.03886vw;
  }
  .about {
    width: 100%;
    height: auto;
    padding: 6.41143vw 0 7.18857vw;
    background: #fff;
  }
  .about .about_box {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .about .about_box .about_l {
    width: 9.71429vw;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
  }
  .about .about_box .about_l .about_l_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .about .about_box .about_l .about_l_top h3 {
    text-align: left;
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 120% */
    letter-spacing: 0.12143vw;
  }
  .about .about_box .about_l .about_l_top h3 span {
    color: #D80C18;
  }
  .about .about_box .about_l .about_l_top .line {
    margin-top: 1.94286vw;
    width: 100%;
    height: 0.53429vw;
    position: relative;
  }
  .about .about_box .about_l .about_l_top .line::after {
    content: '';
    width: 2.42857vw;
    height: 0.53429vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .about .about_box .about_l .about_l_top p {
    margin-top: 1.89429vw;
    text-align: left;
    color: #111;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 150% */
  }
  .about .about_box .about_l .about_l_bot {
    width: auto;
    height: auto;
  }
  .about .about_box .about_l .about_l_bot .more {
    width: auto;
    height: 2.52571vw;
    padding: 0 1.31143vw 0 1.02vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 0.97143vw 0vw;
    border: 0.04857vw solid #B4B4B4;
  }
  .about .about_box .about_l .about_l_bot .more:hover {
    background: #D80C18;
    border: 0.04857vw solid #D80C18;
  }
  .about .about_box .about_l .about_l_bot .more:hover p {
    color: #fff;
  }
  .about .about_box .about_l .about_l_bot .more:hover .more_img img:first-child {
    display: none;
  }
  .about .about_box .about_l .about_l_bot .more:hover .more_img img:last-child {
    display: block;
  }
  .about .about_box .about_l .about_l_bot .more p {
    color: #666;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .about .about_box .about_l .about_l_bot .more .more_img {
    margin-left: 1.26286vw;
    width: 0.58286vw;
    height: 0.58286vw;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img:first-child {
    display: block;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img:last-child {
    display: none;
  }
  .about .about_box .about_r {
    width: 51.48571vw;
    height: auto;
  }
  .about .about_box .about_r .about_r_desc {
    width: 100%;
    height: auto;
  }
  .about .about_box .about_r .about_r_desc p {
    text-align: left;
    color: #666;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7vw;
    /* 218.75% */
  }
  .about .about_box .about_r .about_r_desc p span {
    color: #D80C18;
  }
  .about .about_box .about_r .about_r_img {
    margin-top: 4.37143vw;
    width: 100%;
    height: 19.42857vw;
  }
  .about .about_box .about_r .about_r_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .promise {
    width: 100%;
    height: auto;
    padding: 4.61429vw 0;
    background: #F9F9F9;
  }
  .promise .pro_box {
    width: 100%;
    height: auto;
  }
  .promise .pro_box .pro_b_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l h3 {
    text-align: left;
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 120% */
    letter-spacing: 0.12143vw;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l h3 span {
    color: #D80C18;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l .line {
    margin-top: 0.97143vw;
    width: 100%;
    height: 0.53429vw;
    position: relative;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l .line::after {
    content: '';
    width: 2.42857vw;
    height: 0.53429vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .promise .pro_box .pro_b_top .pro_b_t_r p {
    color: #111;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.09714vw;
  }
  .promise .pro_box .pro_b_b {
    margin-top: 3.88571vw;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .promise .pro_box .pro_b_b .pro_item {
    width: 19.52571vw;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .promise .pro_box .pro_b_b .pro_item .item_img {
    width: 4.27429vw;
    height: 4.27429vw;
  }
  .promise .pro_box .pro_b_b .pro_item .item_img img {
    width: 100%;
    height: 100%;
  }
  .promise .pro_box .pro_b_b .pro_item .item_box {
    margin-top: 1.45714vw;
    width: 100%;
    height: auto;
  }
  .promise .pro_box .pro_b_b .pro_item .item_box .item_title {
    color: #111;
    text-align: left;
    font-size: 1.16571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.45714vw;
    /* 125% */
  }
  .promise .pro_box .pro_b_b .pro_item .item_box .item_desc {
    text-align: left;
    margin-top: 0.92286vw;
    color: #666;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.45714vw;
    /* 187.5% */
  }
  .business {
    width: 100%;
    height: auto;
    padding: 6.8vw 0 7.23714vw;
    background: #F9F9F9;
  }
  .business .bus_top {
    width: 100%;
    height: auto;
  }
  .business .bus_top .bus_t_box {
    width: 100%;
    height: auto;
  }
  .business .bus_top .bus_t_box .title {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .business .bus_top .bus_t_box .title h3 {
    text-align: left;
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 120% */
    letter-spacing: 0.12143vw;
  }
  .business .bus_top .bus_t_box .title h3 span {
    color: #D80C18;
  }
  .business .bus_top .bus_t_box .line {
    margin-top: 1.26286vw;
    width: 100%;
    height: 0.53429vw;
    position: relative;
  }
  .business .bus_top .bus_t_box .line::after {
    content: '';
    width: 2.42857vw;
    height: 0.53429vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .business .bus_top .bus_t_box .desc {
    text-align: left;
    margin-top: 2.23429vw;
    color: #999;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.09714vw;
  }
  .business .bus_bot_box {
    width: 100%;
    height: auto;
    margin-top: 4.37143vw;
    padding-left: 10.5%;
  }
  .business .bus_bot {
    width: 100%;
    height: auto;
  }
  .business .bus_bot:hover {
    cursor: pointer;
  }
  .business .bus_bot:hover .tips {
    display: block;
  }
  .business .bus_bot .bus_item {
    width: 23.31429vw !important;
    height: 34vw;
    overflow: hidden;
    position: relative;
    margin-right: 1.94286vw;
  }
  .business .bus_bot .bus_item:hover .mask {
    top: 0%;
  }
  .business .bus_bot .bus_item:hover .item_box {
    bottom: 0%;
  }
  .business .bus_bot .bus_item:hover .item_box .item_desc {
    margin-top: 1.11714vw;
  }
  .business .bus_bot .bus_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .business .bus_bot .bus_item .mask {
    transition: all 0.6s;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: url(../png/bus_mask.png) no-repeat;
    background-size: 100% 100%;
    z-index: 1;
  }
  .business .bus_bot .bus_item .item_box {
    transition: all 0.6s;
    width: 100%;
    height: auto;
    position: absolute;
    bottom: -32%;
    left: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3.44857vw 3.4vw;
  }
  .business .bus_bot .bus_item .item_box .item_title {
    color: #FFF;
    text-align: center;
    font-size: 1.45714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.45714vw;
    /* 100% */
  }
  .business .bus_bot .bus_item .item_box .item_desc {
    transition: all 0.6s;
    color: #FFF;
    text-align: center;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.45714vw;
    /* 187.5% */
    margin-top: 2.42857vw;
  }
  .business .bus_bot .bus_item .item_box .more {
    margin-top: 2.28286vw;
    width: auto;
    height: 2.52571vw;
    padding: 0 1.31143vw 0 1.02vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 0.97143vw 0vw;
    border: 0.04857vw solid #fff;
  }
  .business .bus_bot .bus_item .item_box .more p {
    color: #fff;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .business .bus_bot .bus_item .item_box .more .more_img {
    margin-left: 1.26286vw;
    width: 0.58286vw;
    height: 0.58286vw;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img:first-child {
    display: block;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img:last-child {
    display: none;
  }
  .business .bus_bot .tips {
    display: none;
    z-index: 15;
    width: 3.4vw;
    height: 3.4vw;
    position: absolute;
    top: 50%;
    right: 8.7%;
    transform: translateY(-50%);
  }
  .business .bus_bot .tips img {
    width: 100%;
    height: 100%;
  }
  .news {
    width: 100%;
    height: auto;
    padding: 5.05143vw 0 7.91714vw;
    background: #FFF;
  }
  .news .news_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .news .news_top .news_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .news .news_top .news_t_l h3 {
    text-align: left;
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 120% */
    letter-spacing: 0.12143vw;
  }
  .news .news_top .news_t_l h3 span {
    color: #D80C18;
  }
  .news .news_top .news_t_l .line {
    margin-top: 1.26286vw;
    width: 100%;
    height: 0.53429vw;
    position: relative;
  }
  .news .news_top .news_t_l .line::after {
    content: '';
    width: 2.42857vw;
    height: 0.53429vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .news .news_top .more {
    margin-top: 1.65143vw;
    width: auto;
    height: 2.52571vw;
    padding: 0 1.31143vw 0 1.02vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 0.97143vw 0vw;
    border: 0.04857vw solid #B4B4B4;
  }
  .news .news_top .more:hover {
    background: #D80C18;
    border: 0.04857vw solid #D80C18;
  }
  .news .news_top .more:hover p {
    color: #fff;
  }
  .news .news_top .more:hover .more_img img:first-child {
    display: none;
  }
  .news .news_top .more:hover .more_img img:last-child {
    display: block;
  }
  .news .news_top .more p {
    color: #666;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .news .news_top .more .more_img {
    margin-left: 1.26286vw;
    width: 0.58286vw;
    height: 0.58286vw;
  }
  .news .news_top .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .news .news_top .more .more_img img:first-child {
    display: block;
  }
  .news .news_top .more .more_img img:last-child {
    display: none;
  }
  .news .news_bot {
    width: 100%;
    height: auto;
    margin-top: 1.60286vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .news .news_bot .news_b_l {
    width: 34.97143vw;
    height: auto;
  }
  .news .news_bot .news_b_l .news_title {
    text-align: left;
    color: #111;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.09714vw;
  }
  .news .news_bot .news_b_l .news_b_img {
    width: 100%;
    height: 21.37143vw;
    margin-top: 4.03143vw;
  }
  .news .news_bot .news_b_l .news_b_img .img_item {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  .news .news_bot .news_b_l .news_b_img .img_item:hover img {
    transform: scale(1.05);
  }
  .news .news_bot .news_b_l .news_b_img .img_item img {
    transition: all 0.6s;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .news .news_bot .news_b_r {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .news .news_bot .news_b_r .news_item {
    margin-top: 2.42857vw;
    width: 30.6vw;
    height: auto;
    padding-bottom: 2.57429vw;
    border-bottom: 0.09714vw solid #EDEDED;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .news .news_bot .news_b_r .news_item.active {
    width: 33.02857vw;
    border-bottom: 0.09714vw solid #D80C18;
  }
  .news .news_bot .news_b_r .news_item.active .more {
    display: inline-flex;
  }
  .news .news_bot .news_b_r .news_item:first-child {
    margin-top: 0;
  }
  .news .news_bot .news_b_r .news_item .item_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .news .news_bot .news_b_r .news_item .item_top .item_line {
    width: 0.29143vw;
    height: 1.45714vw;
    border-radius: 0.97143vw 0vw;
    background: #D80C18;
  }
  .news .news_bot .news_b_r .news_item .item_top .item_cat {
    margin-left: 0.63143vw;
    color: #D80C18;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.45714vw;
    /* 187.5% */
  }
  .news .news_bot .news_b_r .news_item .item_top .item_date {
    margin-left: 0.92286vw;
    color: #999;
    font-family: 'DIN';
    font-size: 0.87429vw;
    font-style: normal;
    font-weight: 500;
    line-height: 0.97143vw;
    /* 111.111% */
  }
  .news .news_bot .news_b_r .news_item .item_title_box {
    text-align: left;
    margin-top: 0.97143vw;
    color: #111;
    font-size: 1.16571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7vw;
    /* 145.833% */
    letter-spacing: 0.02331vw;
  }
  .news .news_bot .news_b_r .news_item .item_title_box .item_title {
    color: #111;
    font-size: 1.16571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7vw;
    /* 145.833% */
    letter-spacing: 0.02331vw;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .news .news_bot .news_b_r .news_item .more {
    margin-top: 1.94286vw;
    width: auto;
    height: 2.52571vw;
    padding: 0 1.31143vw 0 1.02vw;
    display: none;
    flex-direction: row;
    align-items: center;
    border-radius: 0.97143vw 0vw;
    background: #D80C18;
    border: 0.04857vw solid #D80C18;
  }
  .news .news_bot .news_b_r .news_item .more p {
    color: #fff;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .news .news_bot .news_b_r .news_item .more .more_img {
    margin-left: 1.26286vw;
    width: 0.58286vw;
    height: 0.58286vw;
  }
  .news .news_bot .news_b_r .news_item .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .news .news_bot .news_b_r .news_item .more .more_img img:first-child {
    display: block;
  }
  .lowcarbon {
    width: 100%;
    height: 26.71429vw;
    position: relative;
  }
  .lowcarbon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .lowcarbon .low_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .lowcarbon .low_box .low_content {
    position: absolute;
    bottom: 3.4vw;
    left: 0;
  }
  .lowcarbon .low_box .low_content .low_title {
    text-align: left;
    color: #fff;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.67143vw;
  }
  .lowcarbon .low_box .low_content .line {
    margin-top: 1.26286vw;
    width: 100%;
    height: 0.53429vw;
    position: relative;
  }
  .lowcarbon .low_box .low_content .line::after {
    content: '';
    width: 2.42857vw;
    height: 0.53429vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
}

@media screen and (max-width: 1600px) {
  .banner {
    width: 100%;
    height: 100vh;
    position: relative;
  }
  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .banner .banner_box .banner_contnet {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .banner .banner_box .banner_contnet h1 {
    font-family: 'YOUSHEhaoshenti';
    color: #FFF;
    font-size: 4.25vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.31875vw;
  }
  .banner .banner_box .banner_contnet .banner_btn {
    margin-top: 3.13437vw;
    width: 5.79062vw;
    height: 2.7625vw;
    cursor: pointer;
  }
  .banner .banner_box .banner_contnet .banner_btn img {
    width: 100%;
    height: 100%;
  }
  .leading {
    width: 100%;
    height: 30.8125vw;
    background: url(../jpg/leading_bg.jpg) no-repeat;
    background-size: 100% 100%;
    padding-top: 5.3125vw;
  }
  .leading h3 {
    color: #111;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.10625vw;
  }
  .leading .desc {
    margin-top: 1.00937vw;
    color: #999;
    font-size: 0.95625vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.09563vw;
  }
  .leading .leading_box {
    width: 100%;
    height: auto;
    margin-top: 5.41875vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .leading .leading_box .leading_item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .leading .leading_box .leading_item .item_icon {
    width: 4.72812vw;
    height: 4.72812vw;
  }
  .leading .leading_box .leading_item .item_icon img {
    width: 100%;
    height: 100%;
  }
  .leading .leading_box .leading_item .item_box {
    margin-top: 1.22188vw;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .leading .leading_box .leading_item .item_box .item_title {
    color: #111;
    font-size: 1.7vw;
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0.034vw;
  }
  .leading .leading_box .leading_item .item_box .item_title span {
    font-weight: 400;
    font-size: 1.16875vw;
  }
  .leading .leading_box .leading_item .item_box .item_desc {
    margin-top: 0.425vw;
    color: #999;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.0425vw;
  }
  .about {
    width: 100%;
    height: auto;
    padding: 7.0125vw 0 7.8625vw;
    background: #fff;
  }
  .about .about_box {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .about .about_box .about_l {
    width: 10.625vw;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
  }
  .about .about_box .about_l .about_l_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .about .about_box .about_l .about_l_top h3 {
    text-align: left;
    color: #111;
    font-size: 2.65625vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 120% */
    letter-spacing: 0.13281vw;
  }
  .about .about_box .about_l .about_l_top h3 span {
    color: #D80C18;
  }
  .about .about_box .about_l .about_l_top .line {
    margin-top: 2.125vw;
    width: 100%;
    height: 0.58437vw;
    position: relative;
  }
  .about .about_box .about_l .about_l_top .line::after {
    content: '';
    width: 2.65625vw;
    height: 0.58437vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .about .about_box .about_l .about_l_top p {
    margin-top: 2.07187vw;
    text-align: left;
    color: #111;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 150% */
  }
  .about .about_box .about_l .about_l_bot {
    width: auto;
    height: auto;
  }
  .about .about_box .about_l .about_l_bot .more {
    width: auto;
    height: 2.7625vw;
    padding: 0 1.43437vw 0 1.11562vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 1.0625vw 0vw;
    border: 0.05312vw solid #B4B4B4;
  }
  .about .about_box .about_l .about_l_bot .more:hover {
    background: #D80C18;
    border: 0.05312vw solid #D80C18;
  }
  .about .about_box .about_l .about_l_bot .more:hover p {
    color: #fff;
  }
  .about .about_box .about_l .about_l_bot .more:hover .more_img img:first-child {
    display: none;
  }
  .about .about_box .about_l .about_l_bot .more:hover .more_img img:last-child {
    display: block;
  }
  .about .about_box .about_l .about_l_bot .more p {
    color: #666;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .about .about_box .about_l .about_l_bot .more .more_img {
    margin-left: 1.38125vw;
    width: 0.6375vw;
    height: 0.6375vw;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img:first-child {
    display: block;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img:last-child {
    display: none;
  }
  .about .about_box .about_r {
    width: 56.3125vw;
    height: auto;
  }
  .about .about_box .about_r .about_r_desc {
    width: 100%;
    height: auto;
  }
  .about .about_box .about_r .about_r_desc p {
    text-align: left;
    color: #666;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.85938vw;
    /* 218.75% */
  }
  .about .about_box .about_r .about_r_desc p span {
    color: #D80C18;
  }
  .about .about_box .about_r .about_r_img {
    margin-top: 4.78125vw;
    width: 100%;
    height: 21.25vw;
  }
  .about .about_box .about_r .about_r_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .promise {
    width: 100%;
    height: auto;
    padding: 5.04688vw 0;
    background: #F9F9F9;
  }
  .promise .pro_box {
    width: 100%;
    height: auto;
  }
  .promise .pro_box .pro_b_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l h3 {
    text-align: left;
    color: #111;
    font-size: 2.65625vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 120% */
    letter-spacing: 0.13281vw;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l h3 span {
    color: #D80C18;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l .line {
    margin-top: 1.0625vw;
    width: 100%;
    height: 0.58437vw;
    position: relative;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l .line::after {
    content: '';
    width: 2.65625vw;
    height: 0.58437vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .promise .pro_box .pro_b_top .pro_b_t_r p {
    color: #111;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.10625vw;
  }
  .promise .pro_box .pro_b_b {
    margin-top: 4.25vw;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .promise .pro_box .pro_b_b .pro_item {
    width: 21.35625vw;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .promise .pro_box .pro_b_b .pro_item .item_img {
    width: 4.675vw;
    height: 4.675vw;
  }
  .promise .pro_box .pro_b_b .pro_item .item_img img {
    width: 100%;
    height: 100%;
  }
  .promise .pro_box .pro_b_b .pro_item .item_box {
    margin-top: 1.59375vw;
    width: 100%;
    height: auto;
  }
  .promise .pro_box .pro_b_b .pro_item .item_box .item_title {
    color: #111;
    text-align: left;
    font-size: 1.275vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.59375vw;
    /* 125% */
  }
  .promise .pro_box .pro_b_b .pro_item .item_box .item_desc {
    text-align: left;
    margin-top: 1.00937vw;
    color: #666;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.59375vw;
    /* 187.5% */
  }
  .business {
    width: 100%;
    height: auto;
    padding: 7.4375vw 0 7.91562vw;
    background: #F9F9F9;
  }
  .business .bus_top {
    width: 100%;
    height: auto;
  }
  .business .bus_top .bus_t_box {
    width: 100%;
    height: auto;
  }
  .business .bus_top .bus_t_box .title {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .business .bus_top .bus_t_box .title h3 {
    text-align: left;
    color: #111;
    font-size: 2.65625vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 120% */
    letter-spacing: 0.13281vw;
  }
  .business .bus_top .bus_t_box .title h3 span {
    color: #D80C18;
  }
  .business .bus_top .bus_t_box .line {
    margin-top: 1.38125vw;
    width: 100%;
    height: 0.58437vw;
    position: relative;
  }
  .business .bus_top .bus_t_box .line::after {
    content: '';
    width: 2.65625vw;
    height: 0.58437vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .business .bus_top .bus_t_box .desc {
    text-align: left;
    margin-top: 2.44375vw;
    color: #999;
    font-size: 1.0625vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.10625vw;
  }
  .business .bus_bot_box {
    width: 100%;
    height: auto;
    margin-top: 4.78125vw;
    padding-left: 10.5%;
  }
  .business .bus_bot {
    width: 100%;
    height: auto;
  }
  .business .bus_bot:hover {
    cursor: pointer;
  }
  .business .bus_bot:hover .tips {
    display: block;
  }
  .business .bus_bot .bus_item {
    width: 25.5vw !important;
    height: 37.1875vw;
    overflow: hidden;
    position: relative;
    margin-right: 2.125vw;
  }
  .business .bus_bot .bus_item:hover .mask {
    top: 0%;
  }
  .business .bus_bot .bus_item:hover .item_box {
    bottom: 0%;
  }
  .business .bus_bot .bus_item:hover .item_box .item_desc {
    margin-top: 1.22188vw;
  }
  .business .bus_bot .bus_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .business .bus_bot .bus_item .mask {
    transition: all 0.6s;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: url(../png/bus_mask.png) no-repeat;
    background-size: 100% 100%;
    z-index: 1;
  }
  .business .bus_bot .bus_item .item_box {
    transition: all 0.6s;
    width: 100%;
    height: auto;
    position: absolute;
    bottom: -32%;
    left: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3.77188vw 3.71875vw;
  }
  .business .bus_bot .bus_item .item_box .item_title {
    color: #FFF;
    text-align: center;
    font-size: 1.59375vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.59375vw;
    /* 100% */
  }
  .business .bus_bot .bus_item .item_box .item_desc {
    transition: all 0.6s;
    color: #FFF;
    text-align: center;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.59375vw;
    /* 187.5% */
    margin-top: 2.65625vw;
  }
  .business .bus_bot .bus_item .item_box .more {
    margin-top: 2.49687vw;
    width: auto;
    height: 2.7625vw;
    padding: 0 1.43437vw 0 1.11562vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 1.0625vw 0vw;
    border: 0.05312vw solid #fff;
  }
  .business .bus_bot .bus_item .item_box .more p {
    color: #fff;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .business .bus_bot .bus_item .item_box .more .more_img {
    margin-left: 1.38125vw;
    width: 0.6375vw;
    height: 0.6375vw;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img:first-child {
    display: block;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img:last-child {
    display: none;
  }
  .business .bus_bot .tips {
    display: none;
    z-index: 15;
    width: 3.71875vw;
    height: 3.71875vw;
    position: absolute;
    top: 50%;
    right: 8.7%;
    transform: translateY(-50%);
  }
  .business .bus_bot .tips img {
    width: 100%;
    height: 100%;
  }
  .news {
    width: 100%;
    height: auto;
    padding: 5.525vw 0 8.65937vw;
    background: #FFF;
  }
  .news .news_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .news .news_top .news_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .news .news_top .news_t_l h3 {
    text-align: left;
    color: #111;
    font-size: 2.65625vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 120% */
    letter-spacing: 0.13281vw;
  }
  .news .news_top .news_t_l h3 span {
    color: #D80C18;
  }
  .news .news_top .news_t_l .line {
    margin-top: 1.38125vw;
    width: 100%;
    height: 0.58437vw;
    position: relative;
  }
  .news .news_top .news_t_l .line::after {
    content: '';
    width: 2.65625vw;
    height: 0.58437vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .news .news_top .more {
    margin-top: 1.80625vw;
    width: auto;
    height: 2.7625vw;
    padding: 0 1.43437vw 0 1.11562vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 1.0625vw 0vw;
    border: 0.05312vw solid #B4B4B4;
  }
  .news .news_top .more:hover {
    background: #D80C18;
    border: 0.05312vw solid #D80C18;
  }
  .news .news_top .more:hover p {
    color: #fff;
  }
  .news .news_top .more:hover .more_img img:first-child {
    display: none;
  }
  .news .news_top .more:hover .more_img img:last-child {
    display: block;
  }
  .news .news_top .more p {
    color: #666;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .news .news_top .more .more_img {
    margin-left: 1.38125vw;
    width: 0.6375vw;
    height: 0.6375vw;
  }
  .news .news_top .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .news .news_top .more .more_img img:first-child {
    display: block;
  }
  .news .news_top .more .more_img img:last-child {
    display: none;
  }
  .news .news_bot {
    width: 100%;
    height: auto;
    margin-top: 1.75313vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .news .news_bot .news_b_l {
    width: 38.25vw;
    height: auto;
  }
  .news .news_bot .news_b_l .news_title {
    text-align: left;
    color: #111;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.10625vw;
  }
  .news .news_bot .news_b_l .news_b_img {
    width: 100%;
    height: 23.375vw;
    margin-top: 4.40937vw;
  }
  .news .news_bot .news_b_l .news_b_img .img_item {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  .news .news_bot .news_b_l .news_b_img .img_item:hover img {
    transform: scale(1.05);
  }
  .news .news_bot .news_b_l .news_b_img .img_item img {
    transition: all 0.6s;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .news .news_bot .news_b_r {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .news .news_bot .news_b_r .news_item {
    margin-top: 2.65625vw;
    width: 33.46875vw;
    height: auto;
    padding-bottom: 2.81562vw;
    border-bottom: 0.10625vw solid #EDEDED;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .news .news_bot .news_b_r .news_item.active {
    width: 36.125vw;
    border-bottom: 0.10625vw solid #D80C18;
  }
  .news .news_bot .news_b_r .news_item.active .more {
    display: inline-flex;
  }
  .news .news_bot .news_b_r .news_item:first-child {
    margin-top: 0;
  }
  .news .news_bot .news_b_r .news_item .item_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .news .news_bot .news_b_r .news_item .item_top .item_line {
    width: 0.31875vw;
    height: 1.59375vw;
    border-radius: 1.0625vw 0vw;
    background: #D80C18;
  }
  .news .news_bot .news_b_r .news_item .item_top .item_cat {
    margin-left: 0.69062vw;
    color: #D80C18;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.59375vw;
    /* 187.5% */
  }
  .news .news_bot .news_b_r .news_item .item_top .item_date {
    margin-left: 1.00937vw;
    color: #999;
    font-family: 'DIN';
    font-size: 0.95625vw;
    font-style: normal;
    font-weight: 500;
    line-height: 1.0625vw;
    /* 111.111% */
  }
  .news .news_bot .news_b_r .news_item .item_title_box {
    text-align: left;
    margin-top: 1.0625vw;
    color: #111;
    font-size: 1.275vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.85938vw;
    /* 145.833% */
    letter-spacing: 0.0255vw;
  }
  .news .news_bot .news_b_r .news_item .item_title_box .item_title {
    color: #111;
    font-size: 1.275vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.85938vw;
    /* 145.833% */
    letter-spacing: 0.0255vw;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .news .news_bot .news_b_r .news_item .more {
    margin-top: 2.125vw;
    width: auto;
    height: 2.7625vw;
    padding: 0 1.43437vw 0 1.11562vw;
    display: none;
    flex-direction: row;
    align-items: center;
    border-radius: 1.0625vw 0vw;
    background: #D80C18;
    border: 0.05312vw solid #D80C18;
  }
  .news .news_bot .news_b_r .news_item .more p {
    color: #fff;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .news .news_bot .news_b_r .news_item .more .more_img {
    margin-left: 1.38125vw;
    width: 0.6375vw;
    height: 0.6375vw;
  }
  .news .news_bot .news_b_r .news_item .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .news .news_bot .news_b_r .news_item .more .more_img img:first-child {
    display: block;
  }
  .lowcarbon {
    width: 100%;
    height: 29.21875vw;
    position: relative;
  }
  .lowcarbon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .lowcarbon .low_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .lowcarbon .low_box .low_content {
    position: absolute;
    bottom: 3.71875vw;
    left: 0;
  }
  .lowcarbon .low_box .low_content .low_title {
    text-align: left;
    color: #fff;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.92188vw;
  }
  .lowcarbon .low_box .low_content .line {
    margin-top: 1.38125vw;
    width: 100%;
    height: 0.58437vw;
    position: relative;
  }
  .lowcarbon .low_box .low_content .line::after {
    content: '';
    width: 2.65625vw;
    height: 0.58437vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
}

@media screen and (max-width: 1400px) {
  .banner {
    width: 100%;
    height: 100vh;
    position: relative;
  }
  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .banner .banner_box .banner_contnet {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .banner .banner_box .banner_contnet h1 {
    font-family: 'YOUSHEhaoshenti';
    color: #FFF;
    font-size: 4.85714vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.36429vw;
  }
  .banner .banner_box .banner_contnet .banner_btn {
    margin-top: 3.58214vw;
    width: 6.61786vw;
    height: 3.15714vw;
    cursor: pointer;
  }
  .banner .banner_box .banner_contnet .banner_btn img {
    width: 100%;
    height: 100%;
  }
  .leading {
    width: 100%;
    height: 35.21429vw;
    background: url(../jpg/leading_bg.jpg) no-repeat;
    background-size: 100% 100%;
    padding-top: 6.07143vw;
  }
  .leading h3 {
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.12143vw;
  }
  .leading .desc {
    margin-top: 1.15357vw;
    color: #999;
    font-size: 1.09286vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.10929vw;
  }
  .leading .leading_box {
    width: 100%;
    height: auto;
    margin-top: 6.19286vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .leading .leading_box .leading_item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .leading .leading_box .leading_item .item_icon {
    width: 5.40357vw;
    height: 5.40357vw;
  }
  .leading .leading_box .leading_item .item_icon img {
    width: 100%;
    height: 100%;
  }
  .leading .leading_box .leading_item .item_box {
    margin-top: 1.39643vw;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .leading .leading_box .leading_item .item_box .item_title {
    color: #111;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0.03886vw;
  }
  .leading .leading_box .leading_item .item_box .item_title span {
    font-weight: 400;
    font-size: 1.33571vw;
  }
  .leading .leading_box .leading_item .item_box .item_desc {
    margin-top: 0.48571vw;
    color: #999;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.04857vw;
  }
  .about {
    width: 100%;
    height: auto;
    padding: 8.01429vw 0 8.98571vw;
    background: #fff;
  }
  .about .about_box {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .about .about_box .about_l {
    width: 12.14286vw;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
  }
  .about .about_box .about_l .about_l_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .about .about_box .about_l .about_l_top h3 {
    text-align: left;
    color: #111;
    font-size: 3.03571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 120% */
    letter-spacing: 0.15179vw;
  }
  .about .about_box .about_l .about_l_top h3 span {
    color: #D80C18;
  }
  .about .about_box .about_l .about_l_top .line {
    margin-top: 2.42857vw;
    width: 100%;
    height: 0.66786vw;
    position: relative;
  }
  .about .about_box .about_l .about_l_top .line::after {
    content: '';
    width: 3.03571vw;
    height: 0.66786vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .about .about_box .about_l .about_l_top p {
    margin-top: 2.36786vw;
    text-align: left;
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 150% */
  }
  .about .about_box .about_l .about_l_bot {
    width: auto;
    height: auto;
  }
  .about .about_box .about_l .about_l_bot .more {
    width: auto;
    height: 3.15714vw;
    padding: 0 1.63929vw 0 1.275vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 1.21429vw 0vw;
    border: 0.06071vw solid #B4B4B4;
  }
  .about .about_box .about_l .about_l_bot .more:hover {
    background: #D80C18;
    border: 0.06071vw solid #D80C18;
  }
  .about .about_box .about_l .about_l_bot .more:hover p {
    color: #fff;
  }
  .about .about_box .about_l .about_l_bot .more:hover .more_img img:first-child {
    display: none;
  }
  .about .about_box .about_l .about_l_bot .more:hover .more_img img:last-child {
    display: block;
  }
  .about .about_box .about_l .about_l_bot .more p {
    color: #666;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .about .about_box .about_l .about_l_bot .more .more_img {
    margin-left: 1.57857vw;
    width: 0.72857vw;
    height: 0.72857vw;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img:first-child {
    display: block;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img:last-child {
    display: none;
  }
  .about .about_box .about_r {
    width: 64.35714vw;
    height: auto;
  }
  .about .about_box .about_r .about_r_desc {
    width: 100%;
    height: auto;
  }
  .about .about_box .about_r .about_r_desc p {
    text-align: left;
    color: #666;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.125vw;
    /* 218.75% */
  }
  .about .about_box .about_r .about_r_desc p span {
    color: #D80C18;
  }
  .about .about_box .about_r .about_r_img {
    margin-top: 5.46429vw;
    width: 100%;
    height: 24.28571vw;
  }
  .about .about_box .about_r .about_r_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .promise {
    width: 100%;
    height: auto;
    padding: 5.76786vw 0;
    background: #F9F9F9;
  }
  .promise .pro_box {
    width: 100%;
    height: auto;
  }
  .promise .pro_box .pro_b_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l h3 {
    text-align: left;
    color: #111;
    font-size: 3.03571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 120% */
    letter-spacing: 0.15179vw;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l h3 span {
    color: #D80C18;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l .line {
    margin-top: 1.21429vw;
    width: 100%;
    height: 0.66786vw;
    position: relative;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l .line::after {
    content: '';
    width: 3.03571vw;
    height: 0.66786vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .promise .pro_box .pro_b_top .pro_b_t_r p {
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.12143vw;
  }
  .promise .pro_box .pro_b_b {
    margin-top: 4.85714vw;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .promise .pro_box .pro_b_b .pro_item {
    width: 24.40714vw;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .promise .pro_box .pro_b_b .pro_item .item_img {
    width: 5.34286vw;
    height: 5.34286vw;
  }
  .promise .pro_box .pro_b_b .pro_item .item_img img {
    width: 100%;
    height: 100%;
  }
  .promise .pro_box .pro_b_b .pro_item .item_box {
    margin-top: 1.82143vw;
    width: 100%;
    height: auto;
  }
  .promise .pro_box .pro_b_b .pro_item .item_box .item_title {
    color: #111;
    text-align: left;
    font-size: 1.45714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.82143vw;
    /* 125% */
  }
  .promise .pro_box .pro_b_b .pro_item .item_box .item_desc {
    text-align: left;
    margin-top: 1.15357vw;
    color: #666;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.82143vw;
    /* 187.5% */
  }
  .business {
    width: 100%;
    height: auto;
    padding: 8.5vw 0 9.04643vw;
    background: #F9F9F9;
  }
  .business .bus_top {
    width: 100%;
    height: auto;
  }
  .business .bus_top .bus_t_box {
    width: 100%;
    height: auto;
  }
  .business .bus_top .bus_t_box .title {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .business .bus_top .bus_t_box .title h3 {
    text-align: left;
    color: #111;
    font-size: 3.03571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 120% */
    letter-spacing: 0.15179vw;
  }
  .business .bus_top .bus_t_box .title h3 span {
    color: #D80C18;
  }
  .business .bus_top .bus_t_box .line {
    margin-top: 1.57857vw;
    width: 100%;
    height: 0.66786vw;
    position: relative;
  }
  .business .bus_top .bus_t_box .line::after {
    content: '';
    width: 3.03571vw;
    height: 0.66786vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .business .bus_top .bus_t_box .desc {
    text-align: left;
    margin-top: 2.79286vw;
    color: #999;
    font-size: 1.21429vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.12143vw;
  }
  .business .bus_bot_box {
    width: 100%;
    height: auto;
    margin-top: 5.46429vw;
    padding-left: 10.5%;
  }
  .business .bus_bot {
    width: 100%;
    height: auto;
  }
  .business .bus_bot:hover {
    cursor: pointer;
  }
  .business .bus_bot:hover .tips {
    display: block;
  }
  .business .bus_bot .bus_item {
    width: 29.14286vw !important;
    height: 42.5vw;
    overflow: hidden;
    position: relative;
    margin-right: 2.42857vw;
  }
  .business .bus_bot .bus_item:hover .mask {
    top: 0%;
  }
  .business .bus_bot .bus_item:hover .item_box {
    bottom: 0%;
  }
  .business .bus_bot .bus_item:hover .item_box .item_desc {
    margin-top: 1.39643vw;
  }
  .business .bus_bot .bus_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .business .bus_bot .bus_item .mask {
    transition: all 0.6s;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: url(../png/bus_mask.png) no-repeat;
    background-size: 100% 100%;
    z-index: 1;
  }
  .business .bus_bot .bus_item .item_box {
    transition: all 0.6s;
    width: 100%;
    height: auto;
    position: absolute;
    bottom: -32%;
    left: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4.31071vw 4.25vw;
  }
  .business .bus_bot .bus_item .item_box .item_title {
    color: #FFF;
    text-align: center;
    font-size: 1.82143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.82143vw;
    /* 100% */
  }
  .business .bus_bot .bus_item .item_box .item_desc {
    transition: all 0.6s;
    color: #FFF;
    text-align: center;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.82143vw;
    /* 187.5% */
    margin-top: 3.03571vw;
  }
  .business .bus_bot .bus_item .item_box .more {
    margin-top: 2.85357vw;
    width: auto;
    height: 3.15714vw;
    padding: 0 1.63929vw 0 1.275vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 1.21429vw 0vw;
    border: 0.06071vw solid #fff;
  }
  .business .bus_bot .bus_item .item_box .more p {
    color: #fff;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .business .bus_bot .bus_item .item_box .more .more_img {
    margin-left: 1.57857vw;
    width: 0.72857vw;
    height: 0.72857vw;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img:first-child {
    display: block;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img:last-child {
    display: none;
  }
  .business .bus_bot .tips {
    display: none;
    z-index: 15;
    width: 4.25vw;
    height: 4.25vw;
    position: absolute;
    top: 50%;
    right: 8.7%;
    transform: translateY(-50%);
  }
  .business .bus_bot .tips img {
    width: 100%;
    height: 100%;
  }
  .news {
    width: 100%;
    height: auto;
    padding: 6.31429vw 0 9.89643vw;
    background: #FFF;
  }
  .news .news_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .news .news_top .news_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .news .news_top .news_t_l h3 {
    text-align: left;
    color: #111;
    font-size: 3.03571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 120% */
    letter-spacing: 0.15179vw;
  }
  .news .news_top .news_t_l h3 span {
    color: #D80C18;
  }
  .news .news_top .news_t_l .line {
    margin-top: 1.57857vw;
    width: 100%;
    height: 0.66786vw;
    position: relative;
  }
  .news .news_top .news_t_l .line::after {
    content: '';
    width: 3.03571vw;
    height: 0.66786vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .news .news_top .more {
    margin-top: 2.06429vw;
    width: auto;
    height: 3.15714vw;
    padding: 0 1.63929vw 0 1.275vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 1.21429vw 0vw;
    border: 0.06071vw solid #B4B4B4;
  }
  .news .news_top .more:hover {
    background: #D80C18;
    border: 0.06071vw solid #D80C18;
  }
  .news .news_top .more:hover p {
    color: #fff;
  }
  .news .news_top .more:hover .more_img img:first-child {
    display: none;
  }
  .news .news_top .more:hover .more_img img:last-child {
    display: block;
  }
  .news .news_top .more p {
    color: #666;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .news .news_top .more .more_img {
    margin-left: 1.57857vw;
    width: 0.72857vw;
    height: 0.72857vw;
  }
  .news .news_top .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .news .news_top .more .more_img img:first-child {
    display: block;
  }
  .news .news_top .more .more_img img:last-child {
    display: none;
  }
  .news .news_bot {
    width: 100%;
    height: auto;
    margin-top: 2.00357vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .news .news_bot .news_b_l {
    width: 43.71429vw;
    height: auto;
  }
  .news .news_bot .news_b_l .news_title {
    text-align: left;
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.12143vw;
  }
  .news .news_bot .news_b_l .news_b_img {
    width: 100%;
    height: 26.71429vw;
    margin-top: 5.03929vw;
  }
  .news .news_bot .news_b_l .news_b_img .img_item {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  .news .news_bot .news_b_l .news_b_img .img_item:hover img {
    transform: scale(1.05);
  }
  .news .news_bot .news_b_l .news_b_img .img_item img {
    transition: all 0.6s;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .news .news_bot .news_b_r {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .news .news_bot .news_b_r .news_item {
    margin-top: 3.03571vw;
    width: 38.25vw;
    height: auto;
    padding-bottom: 3.21786vw;
    border-bottom: 0.12143vw solid #EDEDED;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .news .news_bot .news_b_r .news_item.active {
    width: 41.28571vw;
    border-bottom: 0.12143vw solid #D80C18;
  }
  .news .news_bot .news_b_r .news_item.active .more {
    display: inline-flex;
  }
  .news .news_bot .news_b_r .news_item:first-child {
    margin-top: 0;
  }
  .news .news_bot .news_b_r .news_item .item_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .news .news_bot .news_b_r .news_item .item_top .item_line {
    width: 0.36429vw;
    height: 1.82143vw;
    border-radius: 1.21429vw 0vw;
    background: #D80C18;
  }
  .news .news_bot .news_b_r .news_item .item_top .item_cat {
    margin-left: 0.78929vw;
    color: #D80C18;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.82143vw;
    /* 187.5% */
  }
  .news .news_bot .news_b_r .news_item .item_top .item_date {
    margin-left: 1.15357vw;
    color: #999;
    font-family: 'DIN';
    font-size: 1.09286vw;
    font-style: normal;
    font-weight: 500;
    line-height: 1.21429vw;
    /* 111.111% */
  }
  .news .news_bot .news_b_r .news_item .item_title_box {
    text-align: left;
    margin-top: 1.21429vw;
    color: #111;
    font-size: 1.45714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.125vw;
    /* 145.833% */
    letter-spacing: 0.02914vw;
  }
  .news .news_bot .news_b_r .news_item .item_title_box .item_title {
    color: #111;
    font-size: 1.45714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.125vw;
    /* 145.833% */
    letter-spacing: 0.02914vw;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .news .news_bot .news_b_r .news_item .more {
    margin-top: 2.42857vw;
    width: auto;
    height: 3.15714vw;
    padding: 0 1.63929vw 0 1.275vw;
    display: none;
    flex-direction: row;
    align-items: center;
    border-radius: 1.21429vw 0vw;
    background: #D80C18;
    border: 0.06071vw solid #D80C18;
  }
  .news .news_bot .news_b_r .news_item .more p {
    color: #fff;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .news .news_bot .news_b_r .news_item .more .more_img {
    margin-left: 1.57857vw;
    width: 0.72857vw;
    height: 0.72857vw;
  }
  .news .news_bot .news_b_r .news_item .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .news .news_bot .news_b_r .news_item .more .more_img img:first-child {
    display: block;
  }
  .lowcarbon {
    width: 100%;
    height: 33.39286vw;
    position: relative;
  }
  .lowcarbon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .lowcarbon .low_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .lowcarbon .low_box .low_content {
    position: absolute;
    bottom: 4.25vw;
    left: 0;
  }
  .lowcarbon .low_box .low_content .low_title {
    text-align: left;
    color: #fff;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.33929vw;
  }
  .lowcarbon .low_box .low_content .line {
    margin-top: 1.57857vw;
    width: 100%;
    height: 0.66786vw;
    position: relative;
  }
  .lowcarbon .low_box .low_content .line::after {
    content: '';
    width: 3.03571vw;
    height: 0.66786vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
}

@media screen and (max-width: 1024px) {
  .banner {
    margin-top: 13.33333vw;
    width: 100%;
    height: 100vh;
    position: relative;
  }
  .banner video {
    width: 100%;
    height: 100%;
    object-fit: none;
  }
  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .banner_box {
    z-index: 1;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .banner .banner_box .banner_contnet {
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: row;
    justify-content: center;
  }
  .banner .banner_box .banner_contnet h1 {
    width: 75.3333333vw;
    font-family: 'YOUSHEhaoshenti';
    color: #FFF;
    font-size: 10.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.8vw;
  }
  .banner .banner_box .banner_contnet .banner_btn {
    margin-top: 7.86667vw;
    width: 14.53333vw;
    height: 6.93333vw;
    cursor: pointer;
  }
  .banner .banner_box .banner_contnet .banner_btn img {
    width: 100%;
    height: 100%;
  }
  .banner .mb_bo {
    width: 14.13333vw;
    height: 14.13333vw;
    position: absolute;
    bottom: 6.66667vw;
    left: 4vw;
    z-index: 2;
  }
  .banner .mb_bo.active img:first-child {
    display: none;
  }
  .banner .mb_bo.active img:last-child {
    display: block;
  }
  .banner .mb_bo img {
    width: 100%;
    height: 100%;
  }
  .banner .mb_bo img:first-child {
    display: block;
  }
  .banner .mb_bo img:last-child {
    display: none;
  }
  .leading {
    width: 100%;
    height: 82.66667vw;
    background: #fff;
    background-size: 100% 100%;
    padding-top: 12.53333vw;
  }
  .leading h3 {
    color: #111;
    font-size: 6.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.26667vw;
  }
  .leading .desc {
    margin-top: 1.86667vw;
    color: #999;
    font-size: 4.26667vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.42667vw;
  }
  .leading .leading_box {
    width: 100%;
    height: auto;
    margin-top: 13.6vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .leading .leading_box .leading_item {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .leading .leading_box .leading_item .item_icon {
    width: 11.86667vw;
    height: 11.86667vw;
  }
  .leading .leading_box .leading_item .item_icon img {
    width: 100%;
    height: 100%;
  }
  .leading .leading_box .leading_item .item_box {
    margin-top: 3.06667vw;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .leading .leading_box .leading_item .item_box .item_title {
    color: #111;
    font-size: 4.8vw;
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0.08533vw;
  }
  .leading .leading_box .leading_item .item_box .item_title span {
    font-weight: 400;
    font-size: 2.93333vw;
  }
  .leading .leading_box .leading_item .item_box .item_desc {
    margin-top: 2vw;
    color: #999;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.16vw;
  }
  .leading .leading_box .swiper-pagination {
    bottom: 0;
  }
  .leading .leading_box .swiper-button-next {
    width: 2.06667vw;
    height: 3.73333vw;
  }
  .leading .leading_box .swiper-button-next img {
    width: 100%;
    height: 100%;
  }
  .leading .leading_box .swiper-button-next::after {
    content: '';
  }
  .leading .leading_box .swiper-button-prev {
    width: 2.06667vw;
    height: 3.73333vw;
  }
  .leading .leading_box .swiper-button-prev img {
    width: 100%;
    height: 100%;
  }
  .leading .leading_box .swiper-button-prev::after {
    content: '';
  }
  .about {
    width: 100%;
    height: auto;
    padding: 15.33333vw 0 16.53333vw;
    background: #fff;
  }
  .about .about_box {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .about .about_box .about_l {
    width: 92vw;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: inherit;
    align-items: flex-start;
  }
  .about .about_box .about_l .about_l_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .about .about_box .about_l .about_l_top h3 {
    text-align: left;
    color: #111;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    letter-spacing: 0.33333vw;
  }
  .about .about_box .about_l .about_l_top h3 span {
    color: #D80C18;
  }
  .about .about_box .about_l .about_l_top .line {
    margin-top: 5.33333vw;
    width: 100%;
    height: 1.46667vw;
    position: relative;
  }
  .about .about_box .about_l .about_l_top .line::after {
    content: '';
    width: 6.66667vw;
    height: 1.46667vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .about .about_box .about_l .about_l_top p {
    margin-top: 4.4vw;
    text-align: left;
    color: #111;
    font-size: 5.6vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 150% */
  }
  .about .about_box .about_l .about_l_center {
    margin-top: 6.66667vw;
    width: 92vw;
    height: auto;
  }
  .about .about_box .about_l .about_l_center .about_r_desc {
    width: 100%;
    height: auto;
  }
  .about .about_box .about_l .about_l_center .about_r_desc p {
    text-align: left;
    color: #666;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 6.13333vw;
    /* 218.75% */
  }
  .about .about_box .about_l .about_l_center .about_r_desc p span {
    color: #D80C18;
  }
  .about .about_box .about_l .about_l_center .about_r_img {
    margin-top: 6.13333vw;
    width: 100%;
    height: 50.53333vw;
  }
  .about .about_box .about_l .about_l_center .about_r_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .about .about_box .about_l .about_l_bot {
    margin-top: 7.33333vw;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: center;
  }
  .about .about_box .about_l .about_l_bot .more {
    width: auto;
    height: 9.33333vw;
    padding: 0 4.93333vw 0 4.8vw;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    border-radius: 2.66667vw 0vw;
    border: 0.13333vw solid #B4B4B4;
  }
  .about .about_box .about_l .about_l_bot .more:hover {
    background: #D80C18;
    border: 0.13333vw solid #D80C18;
  }
  .about .about_box .about_l .about_l_bot .more:hover p {
    color: #fff;
  }
  .about .about_box .about_l .about_l_bot .more:hover .more_img img:first-child {
    display: none;
  }
  .about .about_box .about_l .about_l_bot .more:hover .more_img img:last-child {
    display: block;
  }
  .about .about_box .about_l .about_l_bot .more p {
    color: #666;
    font-size: 3.73333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .about .about_box .about_l .about_l_bot .more .more_img {
    margin-left: 2vw;
    width: 2.66667vw;
    height: 2.66667vw;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img:first-child {
    display: block;
  }
  .about .about_box .about_l .about_l_bot .more .more_img img:last-child {
    display: none;
  }
  .about .about_box .about_r {
    width: 141.33333vw;
    height: auto;
  }
  .about .about_box .about_r .about_r_desc {
    width: 100%;
    height: auto;
  }
  .about .about_box .about_r .about_r_desc p {
    text-align: left;
    color: #666;
    font-size: 2.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4.66667vw;
    /* 218.75% */
  }
  .about .about_box .about_r .about_r_desc p span {
    color: #D80C18;
  }
  .about .about_box .about_r .about_r_img {
    margin-top: 12vw;
    width: 100%;
    height: 53.33333vw;
  }
  .about .about_box .about_r .about_r_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .promise {
    width: 100%;
    height: auto;
    padding: 12.66667vw 0;
    background: #F9F9F9;
  }
  .promise .pro_box {
    width: 100%;
    height: auto;
  }
  .promise .pro_box .pro_b_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l h3 {
    text-align: left;
    color: #111;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    letter-spacing: 0.33333vw;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l h3 span {
    color: #D80C18;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l .line {
    margin-top: 2.66667vw;
    width: 100%;
    height: 1.46667vw;
    position: relative;
  }
  .promise .pro_box .pro_b_top .pro_b_t_l .line::after {
    content: '';
    width: 6.66667vw;
    height: 1.46667vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .promise .pro_box .pro_b_top .pro_b_t_r p {
    color: #111;
    font-size: 5.33333vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.26667vw;
  }
  .promise .pro_box .pro_b_b {
    margin-top: 10.66667vw;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .promise .pro_box .pro_b_b .pro_item {
    width: 53.6vw;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .promise .pro_box .pro_b_b .pro_item .item_img {
    width: 11.73333vw;
    height: 11.73333vw;
  }
  .promise .pro_box .pro_b_b .pro_item .item_img img {
    width: 100%;
    height: 100%;
  }
  .promise .pro_box .pro_b_b .pro_item .item_box {
    margin-top: 4vw;
    width: 100%;
    height: auto;
  }
  .promise .pro_box .pro_b_b .pro_item .item_box .item_title {
    color: #111;
    text-align: left;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4vw;
    /* 125% */
  }
  .promise .pro_box .pro_b_b .pro_item .item_box .item_desc {
    text-align: left;
    margin-top: 2.53333vw;
    color: #666;
    font-size: 2.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4vw;
    /* 187.5% */
  }
  .business {
    width: 100%;
    height: auto;
    padding: 17.6vw 0 22.53333vw;
    background: #F9F9F9;
  }
  .business .bus_top {
    width: 100%;
    height: auto;
  }
  .business .bus_top .bus_t_box {
    width: 100%;
    height: auto;
  }
  .business .bus_top .bus_t_box .title {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: inherit;
  }
  .business .bus_top .bus_t_box .title h3 {
    text-align: left;
    color: #111;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    letter-spacing: 0.33333vw;
  }
  .business .bus_top .bus_t_box .title h3 span {
    color: #D80C18;
  }
  .business .bus_top .bus_t_box .line {
    margin-top: 3.46667vw;
    width: 100%;
    height: 1.46667vw;
    position: relative;
  }
  .business .bus_top .bus_t_box .line::after {
    content: '';
    width: 6.66667vw;
    height: 1.46667vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .business .bus_top .bus_t_box h3 {
    margin-top: 4.4vw;
    text-align: left;
    color: #111;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    letter-spacing: 0.33333vw;
  }
  .business .bus_top .bus_t_box h3 span {
    color: #D80C18;
  }
  .business .bus_top .bus_t_box .desc {
    text-align: left;
    margin-top: 4.66667vw;
    color: #999;
    font-size: 3.2vw;
    font-style: 5.06667vw;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.32vw;
  }
  .business .bus_bot_box {
    margin: 0 auto;
    width: 92vw;
    height: auto;
    margin-top: 5.33333vw;
    padding-left: 0%;
  }
  .business .swiper-wrapper {
    flex-wrap: wrap;
  }
  .business .bus_bot {
    width: 100%;
    height: auto;
  }
  .business .bus_bot:hover {
    cursor: pointer;
  }
  .business .bus_bot:hover .tips {
    display: block;
  }
  .business .bus_bot .bus_item {
    margin-top: 2.66667vw;
    width: 44.66667vw !important;
    height: 65.06667vw;
    overflow: hidden;
    position: relative;
    margin-right: 2.66667vw;
  }
  .business .bus_bot .bus_item:nth-of-type(2n) {
    margin-right: 0;
  }
  .business .bus_bot .bus_item:hover .mask {
    top: 0%;
  }
  .business .bus_bot .bus_item:hover .item_box {
    bottom: 0%;
  }
  .business .bus_bot .bus_item:hover .item_box .item_desc {
    margin-top: 3.06667vw;
  }
  .business .bus_bot .bus_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .business .bus_bot .bus_item .mask {
    display: none;
    transition: all 0.6s;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background: url(../png/bus_mask.png) no-repeat;
    background-size: 100% 100%;
    z-index: 1;
  }
  .business .bus_bot .bus_item .item_box {
    transition: all 0.6s;
    width: 100%;
    height: auto;
    position: absolute;
    bottom: 0%;
    left: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 5.2vw 0 3.06667vw;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
  }
  .business .bus_bot .bus_item .item_box .item_title {
    color: #FFF;
    text-align: center;
    font-size: 4vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4vw;
    /* 100% */
  }
  .business .bus_bot .bus_item .item_box .item_desc {
    display: none;
    transition: all 0.6s;
    color: #FFF;
    text-align: center;
    font-size: 2.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4vw;
    /* 187.5% */
    margin-top: 6.66667vw;
  }
  .business .bus_bot .bus_item .item_box .more {
    display: none;
    margin-top: 6.26667vw;
    width: auto;
    height: 6.93333vw;
    padding: 0 3.6vw 0 2.8vw;
    flex-direction: row;
    align-items: center;
    border-radius: 2.66667vw 0vw;
    border: 0.13333vw solid #fff;
  }
  .business .bus_bot .bus_item .item_box .more p {
    color: #fff;
    font-size: 2.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .business .bus_bot .bus_item .item_box .more .more_img {
    margin-left: 3.46667vw;
    width: 1.6vw;
    height: 1.6vw;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img:first-child {
    display: block;
  }
  .business .bus_bot .bus_item .item_box .more .more_img img:last-child {
    display: none;
  }
  .business .bus_bot .tips {
    display: none;
    z-index: 15;
    width: 9.33333vw;
    height: 9.33333vw;
    position: absolute;
    top: 50%;
    right: 8.7%;
    transform: translateY(-50%);
  }
  .business .bus_bot .tips img {
    width: 100%;
    height: 100%;
  }
  .news {
    width: 100%;
    height: auto;
    padding: 14.26667vw 0 12vw;
    background: #FFF;
  }
  .news .news_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: inherit;
  }
  .news .news_top .news_t_l {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .news .news_top .news_t_l h3 {
    text-align: left;
    color: #111;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    letter-spacing: 0.33333vw;
  }
  .news .news_top .news_t_l h3 span {
    color: #D80C18;
  }
  .news .news_top .news_t_l .line {
    margin-top: 3.46667vw;
    width: 100%;
    height: 1.46667vw;
    position: relative;
  }
  .news .news_top .news_t_l .line::after {
    content: '';
    width: 6.66667vw;
    height: 1.46667vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .news .news_top .news_t_l .news_title {
    margin-top: 3.06667vw;
    text-align: left;
    color: #111;
    font-size: 5.6vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.26667vw;
  }
  .news .news_top .more {
    margin-top: 4.53333vw;
    width: auto;
    height: 6.93333vw;
    padding: 0 3.6vw 0 2.8vw;
    display: none;
    flex-direction: row;
    align-items: center;
    border-radius: 2.66667vw 0vw;
    border: 0.13333vw solid #B4B4B4;
  }
  .news .news_top .more:hover {
    background: #D80C18;
    border: 0.13333vw solid #D80C18;
  }
  .news .news_top .more:hover p {
    color: #fff;
  }
  .news .news_top .more:hover .more_img img:first-child {
    display: none;
  }
  .news .news_top .more:hover .more_img img:last-child {
    display: block;
  }
  .news .news_top .more p {
    color: #666;
    font-size: 2.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .news .news_top .more .more_img {
    margin-left: 3.46667vw;
    width: 1.6vw;
    height: 1.6vw;
  }
  .news .news_top .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .news .news_top .more .more_img img:first-child {
    display: block;
  }
  .news .news_top .more .more_img img:last-child {
    display: none;
  }
  .news .news_bot {
    width: 100%;
    height: auto;
    margin-top: 4.4vw;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .news .news_bot .news_b_l {
    width: 92vw;
    height: auto;
  }
  .news .news_bot .news_b_l .news_title {
    text-align: left;
    color: #111;
    font-size: 5.33333vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.26667vw;
  }
  .news .news_bot .news_b_l .news_b_img {
    width: 100%;
    height: 58.66667vw;
    margin-top: 11.06667vw;
  }
  .news .news_bot .news_b_l .news_b_img .img_item {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }
  .news .news_bot .news_b_l .news_b_img .img_item:hover img {
    transform: scale(1.05);
  }
  .news .news_bot .news_b_l .news_b_img .img_item img {
    transition: all 0.6s;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .news .news_bot .news_b_r {
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .news .news_bot .news_b_r .news_item {
    margin-top: 6.66667vw;
    width: 84vw;
    height: auto;
    padding-bottom: 7.06667vw;
    border-bottom: 0.26667vw solid #EDEDED;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .news .news_bot .news_b_r .news_item.active {
    width: 90.66667vw;
    border-bottom: 0.26667vw solid #D80C18;
  }
  .news .news_bot .news_b_r .news_item.active .more {
    display: inline-flex;
  }
  .news .news_bot .news_b_r .news_item:first-child {
    margin-top: 0;
  }
  .news .news_bot .news_b_r .news_item .item_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .news .news_bot .news_b_r .news_item .item_top .item_line {
    width: 0.8vw;
    height: 4vw;
    border-radius: 2.66667vw 0vw;
    background: #D80C18;
  }
  .news .news_bot .news_b_r .news_item .item_top .item_cat {
    margin-left: 1.73333vw;
    color: #D80C18;
    font-size: 2.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4vw;
    /* 187.5% */
  }
  .news .news_bot .news_b_r .news_item .item_top .item_date {
    margin-left: 2.53333vw;
    color: #999;
    font-family: 'DIN';
    font-size: 2.4vw;
    font-style: normal;
    font-weight: 500;
    line-height: 2.66667vw;
    /* 111.111% */
  }
  .news .news_bot .news_b_r .news_item .item_title_box {
    text-align: left;
    margin-top: 2.66667vw;
    color: #111;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4.66667vw;
    /* 145.833% */
    letter-spacing: 0.064vw;
  }
  .news .news_bot .news_b_r .news_item .item_title_box .item_title {
    color: #111;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4.66667vw;
    /* 145.833% */
    letter-spacing: 0.064vw;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .news .news_bot .news_b_r .news_item .more {
    margin-top: 5.33333vw;
    width: auto;
    height: 6.93333vw;
    padding: 0 3.6vw 0 2.8vw;
    display: none;
    flex-direction: row;
    align-items: center;
    border-radius: 2.66667vw 0vw;
    background: #D80C18;
    border: 0.13333vw solid #D80C18;
  }
  .news .news_bot .news_b_r .news_item .more p {
    color: #fff;
    font-size: 2.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 0vw;
    /* 0% */
  }
  .news .news_bot .news_b_r .news_item .more .more_img {
    margin-left: 3.46667vw;
    width: 1.6vw;
    height: 1.6vw;
  }
  .news .news_bot .news_b_r .news_item .more .more_img img {
    width: 100%;
    height: 100%;
  }
  .news .news_bot .news_b_r .news_item .more .more_img img:first-child {
    display: block;
  }
  .news .news_mb {
    width: 100%;
    height: auto;
    margin-top: 12vw;
    padding-bottom: 5.33333vw;
  }
  .news .news_mb .news_item {
    width: 100%;
    height: auto;
  }
  .news .news_mb .news_item .img_item {
    width: 100%;
    height: auto;
  }
  .news .news_mb .news_item .img_item img {
    width: 100%;
    height: auto;
  }
  .news .news_mb .news_item .item_top {
    margin-top: 6.26667vw;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 4.53333vw;
  }
  .news .news_mb .news_item .item_top .item_t_l {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .news .news_mb .news_item .item_top .item_line {
    width: 0.8vw;
    height: 4vw;
    border-radius: 2.66667vw 0vw;
    background: #D80C18;
  }
  .news .news_mb .news_item .item_top .item_cat {
    margin-left: 1.73333vw;
    color: #D80C18;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4vw;
    /* 187.5% */
  }
  .news .news_mb .news_item .item_top .item_date {
    margin-left: 0vw;
    color: #999;
    font-family: 'DIN';
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 500;
    line-height: 2.66667vw;
    /* 111.111% */
  }
  .news .news_mb .news_item .item_title_box {
    margin-top: 4vw;
    width: 100%;
    height: auto;
    text-align: left;
    padding: 0 4.53333vw;
    font-size: 4.53333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 6.4vw;
    /* 145.833% */
    letter-spacing: 0.064vw;
    color: #111;
  }
  .news .news_mb .news_item .item_title_box p {
    font-size: 4.53333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 6.4vw;
    /* 145.833% */
    letter-spacing: 0.064vw;
    color: #111;
  }
  .news .news_mb .swiper-pagination-bullet-active {
    width: 25px;
    background: #D80C18;
    border-radius: 10px;
  }
  .lowcarbon {
    width: 100%;
    height: 113.33333vw;
    position: relative;
  }
  .lowcarbon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .lowcarbon .low_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .lowcarbon .low_box .low_content {
    position: absolute;
    bottom: 9.33333vw;
    left: 0;
  }
  .lowcarbon .low_box .low_content .low_title {
    text-align: left;
    color: #fff;
    font-size: 5.33333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 7.33333vw;
  }
  .lowcarbon .low_box .low_content .line {
    margin-top: 3.46667vw;
    width: 100%;
    height: 1.46667vw;
    position: relative;
  }
  .lowcarbon .low_box .low_content .line::after {
    content: '';
    width: 6.66667vw;
    height: 1.46667vw;
    background: url(../png/line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
}