.header {
  transition: all 0.6s;
  background: #fff;
  backdrop-filter: blur(0px);
  box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.1);
}

.header.active1 {
  top: -90px;
}

.header .header_box .header_top .header_t_box .logo img:first-child {
  display: none;
}

.header .header_box .header_top .header_t_box .logo img:last-child {
  display: block;
}

.header .header_box .header_top .header_t_box .header_nav .haeder_nav_box .nav_item a {
  color: #111;
}

.banner {
  width: 100%;
  height: 856px;
  position: relative;
  margin-top: 88px;
}

.banner .crumbs {
  position: absolute;
  top: 0;
  z-index: 3;
  left: 0;
  background: transparent;
  width: 100%;
  height: auto;
  margin-top: 0;
  padding: 25px 0;
}

.banner .crumbs .crumbs_box {
  width: 100%;
  height: auto;
}

.banner .crumbs .crumbs_box ul {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  align-items: center;
}

.banner .crumbs .crumbs_box ul li:hover a p {
  color: #fff;
}

.banner .crumbs .crumbs_box ul li.active p {
  color: #fff;
}

.banner .crumbs .crumbs_box ul li .cru_tou {
  width: 7px;
  height: 12px;
}

.banner .crumbs .crumbs_box ul li .cru_tou img {
  width: 100%;
  height: 100%;
}

.banner .crumbs .crumbs_box ul li a {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.banner .crumbs .crumbs_box ul li a img {
  width: 20px;
  height: 20px;
  margin-right: 3px;
}

.banner .crumbs .crumbs_box ul li a p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  font-style: normal;
  font-weight: 500;
  line-height: 20px;
  /* 125% */
}

.banner .crumbs .crumbs_box ul .cru_tou_box {
  margin: 0 10px;
}

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

.banner .mask {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.3);
}

.banner .banner_box {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
}

.banner .banner_box .banner_contnet {
  position: absolute;
  bottom: 82px;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.banner .banner_box .banner_contnet h3 {
  text-align: left;
  color: #FFF;
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 120% */
  text-transform: uppercase;
}

.banner .banner_box .banner_contnet h3 span {
  color: #D80C18;
}

.banner .banner_box .banner_contnet .line {
  margin-top: 32px;
  width: 100%;
  height: 11px;
  position: relative;
}

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

.banner .banner_box .banner_contnet p {
  margin-top: 32px;
  color: #FFF;
  text-align: left;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 2px;
}

.main_content {
  width: 100%;
  height: auto;
}

.main_content .scenarios {
  width: 100%;
  height: auto;
  position: relative;
  padding: 119px 0;
  background: #F9F9F9;
}

.main_content .scenarios .scenarios_box {
  width: 100%;
  height: auto;
}

.main_content .scenarios .scenarios_box .scenarios_top {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l h3 {
  color: #111;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l .line {
  margin-top: 20px;
  width: 50px;
  height: 11px;
  position: relative;
}

.main_content .scenarios .scenarios_box .scenarios_top .scenarios_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;
}

.main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 {
  color: #111;
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 120% */
  text-transform: uppercase;
}

.main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 span {
  color: #D80C18;
}

.main_content .scenarios .scenarios_box .scenarios_bot {
  width: 100%;
  height: auto;
  margin-top: 96px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.main_content .scenarios .scenarios_box .scenarios_bot .item {
  width: 755px;
  height: 560px;
  position: relative;
  overflow: hidden;
}

.main_content .scenarios .scenarios_box .scenarios_bot .item:hover .mask {
  background: linear-gradient(180deg, rgba(216, 12, 24, 0) 0%, rgba(216, 12, 24, 0.9) 100%);
}

.main_content .scenarios .scenarios_box .scenarios_bot .item:first-child {
  border-radius: 200px 0px 0px 0px;
}

.main_content .scenarios .scenarios_box .scenarios_bot .item:last-child {
  border-radius: 0px 0px 200px 0px;
}

.main_content .scenarios .scenarios_box .scenarios_bot .item img {
  width: 100%;
  height: 100%;
}

.main_content .scenarios .scenarios_box .scenarios_bot .item .mask {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.5);
}

.main_content .scenarios .scenarios_box .scenarios_bot .item .item_box {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  padding: 0 45px;
}

.main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_title {
  margin-top: 290px;
  text-align: left;
  color: #FFF;
  font-size: 26px;
  font-style: normal;
  font-weight: 400;
  line-height: 35px;
  /* 134.615% */
}

.main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_desc {
  margin-top: 23px;
  text-align: left;
  color: #FFF;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 26px;
  /* 162.5% */
}

.main_content .advantage {
  width: 100%;
  height: auto;
  position: relative;
  background: #fff;
  padding: 119px 0 0;
}

.main_content .advantage .advantage_box {
  width: 100%;
  height: auto;
}

.main_content .advantage .advantage_box .advantage_top {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.main_content .advantage .advantage_box .advantage_top .advantage_b_t_l {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.main_content .advantage .advantage_box .advantage_top .advantage_b_t_l h3 {
  color: #111;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.main_content .advantage .advantage_box .advantage_top .advantage_b_t_l .line {
  margin-top: 20px;
  width: 50px;
  height: 11px;
  position: relative;
}

.main_content .advantage .advantage_box .advantage_top .advantage_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;
}

.main_content .advantage .advantage_box .advantage_top .advantage_b_t_r {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 {
  color: #111;
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 120% */
  text-transform: uppercase;
}

.main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 span {
  color: #D80C18;
}

.main_content .advantage .advantage_bot {
  width: 100%;
  height: auto;
  margin-top: 90px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.main_content .advantage .advantage_bot .item {
  transition: all 0.6s;
  width: 23.4375%;
  height: 900px;
  position: relative;
  overflow: hidden;
}

.main_content .advantage .advantage_bot .item.active {
  width: 53.125%;
}

.main_content .advantage .advantage_bot .item.active .mask {
  display: none;
}

.main_content .advantage .advantage_bot .item.active .item_icon_box {
  display: none;
}

.main_content .advantage .advantage_bot .item.active .item_box {
  display: block;
}

.main_content .advantage .advantage_bot .item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main_content .advantage .advantage_bot .item .mask {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.35);
}

.main_content .advantage .advantage_bot .item .item_icon_box {
  width: 100%;
  height: auto;
  position: absolute;
  bottom: 87px;
  left: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.main_content .advantage .advantage_bot .item .item_icon_box .item_icon {
  width: 80px;
  height: 80px;
}

.main_content .advantage .advantage_bot .item .item_icon_box .item_num {
  z-index: 1;
  margin-top: 35px;
  font-family: 'DIN';
  font-size: 66px;
  font-style: normal;
  font-weight: 700;
  line-height: 66px;
  /* 53.03% */
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main_content .advantage .advantage_bot .item .item_icon_box .item_title {
  margin-top: -32px;
  z-index: 2;
  color: #FFF;
  font-size: 26px;
  font-style: normal;
  font-weight: 400;
  line-height: 35px;
  /* 134.615% */
}

.main_content .advantage .advantage_bot .item .item_box {
  display: none;
  padding: 64px 85px;
  width: 820px;
  height: 250px;
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  border-radius: 100px 0px 0px 0px;
  background: linear-gradient(180deg, rgba(218, 11, 24, 0.9) 0%, rgba(218, 11, 24, 0.45) 100%);
  backdrop-filter: blur(7.5px);
}

.main_content .advantage .advantage_bot .item .item_box .item_icon {
  width: 80px;
  height: 80px;
  position: absolute;
  top: 27px;
  right: 47px;
}

.main_content .advantage .advantage_bot .item .item_box .item_num {
  padding-top: 35px;
  position: absolute;
  right: 47px;
  bottom: 27px;
  font-family: 'DIN';
  font-size: 100px;
  font-style: normal;
  font-weight: 700;
  line-height: 35px;
  /* 35% */
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main_content .advantage .advantage_bot .item .item_box .item_title {
  color: #FFF;
  text-align: left;
  font-size: 26px;
  font-style: normal;
  font-weight: 400;
  line-height: 35px;
  /* 134.615% */
}

.main_content .advantage .advantage_bot .item .item_box .item_desc {
  width: 535px;
  margin-top: 29px;
  color: #FFF;
  text-align: left;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 187.5% */
}

.main_content .project {
  width: 100%;
  height: auto;
  background: #fff;
  padding: 114px 0 140px;
}

.main_content .project .pro_box {
  width: 100%;
  height: auto;
}

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

.main_content .project .pro_box .pro_b_top .pro_b_t_l {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.main_content .project .pro_box .pro_b_top .pro_b_t_l h3 {
  color: #111;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}

.main_content .project .pro_box .pro_b_top .pro_b_t_l .line {
  margin-top: 20px;
  width: 50px;
  height: 11px;
  position: relative;
}

.main_content .project .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;
}

.main_content .project .pro_box .pro_b_top .pro_b_t_r {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.main_content .project .pro_box .pro_b_top .pro_b_t_r h3 {
  color: #111;
  font-size: 50px;
  font-style: normal;
  font-weight: 400;
  line-height: 60px;
  /* 120% */
  text-transform: uppercase;
}

.main_content .project .pro_box .pro_b_top .pro_b_t_r h3 span {
  color: #D80C18;
}

.main_content .project .pro_box .pro_b_top .pro_b_t_r p {
  margin-top: 13px;
  color: #999;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 35px;
  /* 250% */
}

.main_content .project .pro_box .pro_b_bot {
  width: 100%;
  height: auto;
  margin-top: 83px;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box {
  width: 100%;
  height: auto;
  padding-bottom: 72px;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item {
  margin-right: 85px;
  width: 450px !important;
  height: auto;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_img img {
  transform: scale(1.05);
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_contennt .item_title {
  color: #D80C18;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img {
  width: 100%;
  height: 291.5px;
  overflow: hidden;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.6s;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt {
  width: 100%;
  height: auto;
  padding: 30px 0;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_title {
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  text-align: left;
  color: #111;
  font-size: 22px;
  font-style: normal;
  font-weight: 400;
  line-height: 35px;
  /* 159.091% */
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc {
  margin-top: 20px;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc p {
  text-align: left;
  color: #999;
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
  /* 187.5% */
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar {
  width: 100%;
  left: 0;
  bottom: 20px;
  height: 4px;
  background: #F0F0F0;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag {
  cursor: pointer;
  background: #D80C18;
}

.main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag::after {
  content: '';
  width: 40px;
  height: 40px;
  background: url(../png/pro_tou.png) no-repeat;
  background-size: 100% 100%;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: -2px;
}

@media screen and (max-width: 1750px) {
  .header {
    transition: all 0.6s;
    background: #fff;
    backdrop-filter: blur(0vw);
    box-shadow: 0vw 0.09714vw 0.38857vw 0vw rgba(0, 0, 0, 0.1);
  }
  .header.active1 {
    top: -4.37143vw;
  }
  .header .header_box .header_top .header_t_box .logo img:first-child {
    display: none;
  }
  .header .header_box .header_top .header_t_box .logo img:last-child {
    display: block;
  }
  .header .header_box .header_top .header_t_box .header_nav .haeder_nav_box .nav_item a {
    color: #111;
  }
  .banner {
    width: 100%;
    height: 41.57714vw;
    position: relative;
    margin-top: 4.27429vw;
  }
  .banner .crumbs {
    position: absolute;
    top: 0;
    z-index: 3;
    left: 0;
    background: transparent;
    width: 100%;
    height: auto;
    margin-top: 0;
    padding: 1.21429vw 0;
  }
  .banner .crumbs .crumbs_box {
    width: 100%;
    height: auto;
  }
  .banner .crumbs .crumbs_box ul {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .banner .crumbs .crumbs_box ul li:hover a p {
    color: #fff;
  }
  .banner .crumbs .crumbs_box ul li.active p {
    color: #fff;
  }
  .banner .crumbs .crumbs_box ul li .cru_tou {
    width: 0.34vw;
    height: 0.58286vw;
  }
  .banner .crumbs .crumbs_box ul li .cru_tou img {
    width: 100%;
    height: 100%;
  }
  .banner .crumbs .crumbs_box ul li a {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .banner .crumbs .crumbs_box ul li a img {
    width: 0.97143vw;
    height: 0.97143vw;
    margin-right: 0.14571vw;
  }
  .banner .crumbs .crumbs_box ul li a p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 500;
    line-height: 0.97143vw;
    /* 125% */
  }
  .banner .crumbs .crumbs_box ul .cru_tou_box {
    margin: 0 0.48571vw;
  }
  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .mask {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.3);
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
  }
  .banner .banner_box .banner_contnet {
    position: absolute;
    bottom: 3.98286vw;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .banner .banner_box .banner_contnet h3 {
    text-align: left;
    color: #FFF;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 120% */
    text-transform: uppercase;
  }
  .banner .banner_box .banner_contnet h3 span {
    color: #D80C18;
  }
  .banner .banner_box .banner_contnet .line {
    margin-top: 1.55429vw;
    width: 100%;
    height: 0.53429vw;
    position: relative;
  }
  .banner .banner_box .banner_contnet .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;
  }
  .banner .banner_box .banner_contnet p {
    margin-top: 1.55429vw;
    color: #FFF;
    text-align: left;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.09714vw;
  }
  .main_content {
    width: 100%;
    height: auto;
  }
  .main_content .scenarios {
    width: 100%;
    height: auto;
    position: relative;
    padding: 5.78vw 0;
    background: #F9F9F9;
  }
  .main_content .scenarios .scenarios_box {
    width: 100%;
    height: auto;
  }
  .main_content .scenarios .scenarios_box .scenarios_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l h3 {
    color: #111;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l .line {
    margin-top: 0.97143vw;
    width: 2.42857vw;
    height: 0.53429vw;
    position: relative;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_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;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 {
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot {
    width: 100%;
    height: auto;
    margin-top: 4.66286vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item {
    width: 36.67143vw;
    height: 27.2vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:hover .mask {
    background: linear-gradient(180deg, rgba(216, 12, 24, 0) 0%, rgba(216, 12, 24, 0.9) 100%);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:first-child {
    border-radius: 9.71429vw 0vw 0vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:last-child {
    border-radius: 0vw 0vw 9.71429vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item img {
    width: 100%;
    height: 100%;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.5);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    padding: 0 2.18571vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_title {
    margin-top: 14.08571vw;
    text-align: left;
    color: #FFF;
    font-size: 1.26286vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7vw;
    /* 134.615% */
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_desc {
    margin-top: 1.11714vw;
    text-align: left;
    color: #FFF;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.26286vw;
    /* 162.5% */
  }
  .main_content .advantage {
    width: 100%;
    height: auto;
    position: relative;
    background: #fff;
    padding: 5.78vw 0 0;
  }
  .main_content .advantage .advantage_box {
    width: 100%;
    height: auto;
  }
  .main_content .advantage .advantage_box .advantage_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l h3 {
    color: #111;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l .line {
    margin-top: 0.97143vw;
    width: 2.42857vw;
    height: 0.53429vw;
    position: relative;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_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;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 {
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .advantage .advantage_bot {
    width: 100%;
    height: auto;
    margin-top: 4.37143vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .main_content .advantage .advantage_bot .item {
    transition: all 0.6s;
    width: 23.4375%;
    height: 43.71429vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .advantage .advantage_bot .item.active {
    width: 53.125%;
  }
  .main_content .advantage .advantage_bot .item.active .mask {
    display: none;
  }
  .main_content .advantage .advantage_bot .item.active .item_icon_box {
    display: none;
  }
  .main_content .advantage .advantage_bot .item.active .item_box {
    display: block;
  }
  .main_content .advantage .advantage_bot .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .main_content .advantage .advantage_bot .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.35);
  }
  .main_content .advantage .advantage_bot .item .item_icon_box {
    width: 100%;
    height: auto;
    position: absolute;
    bottom: 4.22571vw;
    left: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_icon {
    width: 3.88571vw;
    height: 3.88571vw;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_num {
    z-index: 1;
    margin-top: 1.7vw;
    font-family: 'DIN';
    font-size: 3.20571vw;
    font-style: normal;
    font-weight: 700;
    line-height: 3.20571vw;
    /* 53.03% */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_title {
    margin-top: -1.55429vw;
    z-index: 2;
    color: #FFF;
    font-size: 1.26286vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7vw;
    /* 134.615% */
  }
  .main_content .advantage .advantage_bot .item .item_box {
    display: none;
    padding: 3.10857vw 4.12857vw;
    width: 39.82857vw;
    height: 12.14286vw;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 2;
    border-radius: 4.85714vw 0vw 0vw 0vw;
    background: linear-gradient(180deg, rgba(218, 11, 24, 0.9) 0%, rgba(218, 11, 24, 0.45) 100%);
    backdrop-filter: blur(0.36429vw);
  }
  .main_content .advantage .advantage_bot .item .item_box .item_icon {
    width: 3.88571vw;
    height: 3.88571vw;
    position: absolute;
    top: 1.31143vw;
    right: 2.28286vw;
  }
  .main_content .advantage .advantage_bot .item .item_box .item_num {
    padding-top: 1.7vw;
    position: absolute;
    right: 2.28286vw;
    bottom: 1.31143vw;
    font-family: 'DIN';
    font-size: 4.85714vw;
    font-style: normal;
    font-weight: 700;
    line-height: 1.7vw;
    /* 35% */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .main_content .advantage .advantage_bot .item .item_box .item_title {
    color: #FFF;
    text-align: left;
    font-size: 1.26286vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7vw;
    /* 134.615% */
  }
  .main_content .advantage .advantage_bot .item .item_box .item_desc {
    width: 25.98571vw;
    margin-top: 1.40857vw;
    color: #FFF;
    text-align: left;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.45714vw;
    /* 187.5% */
  }
  .main_content .project {
    width: 100%;
    height: auto;
    background: #fff;
    padding: 5.53714vw 0 6.8vw;
  }
  .main_content .project .pro_box {
    width: 100%;
    height: auto;
  }
  .main_content .project .pro_box .pro_b_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l h3 {
    color: #111;
    font-size: 1.94286vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l .line {
    margin-top: 0.97143vw;
    width: 2.42857vw;
    height: 0.53429vw;
    position: relative;
  }
  .main_content .project .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;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r h3 {
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.91429vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r p {
    margin-top: 0.63143vw;
    color: #999;
    font-size: 0.68vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7vw;
    /* 250% */
  }
  .main_content .project .pro_box .pro_b_bot {
    width: 100%;
    height: auto;
    margin-top: 4.03143vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box {
    width: 100%;
    height: auto;
    padding-bottom: 3.49714vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item {
    margin-right: 4.12857vw;
    width: 21.85714vw !important;
    height: auto;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_img img {
    transform: scale(1.05);
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_contennt .item_title {
    color: #D80C18;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img {
    width: 100%;
    height: 14.15857vw;
    overflow: hidden;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.6s;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt {
    width: 100%;
    height: auto;
    padding: 1.45714vw 0;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_title {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
    color: #111;
    font-size: 1.06857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.7vw;
    /* 159.091% */
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc {
    margin-top: 0.97143vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc p {
    text-align: left;
    color: #999;
    font-size: 0.77714vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.45714vw;
    /* 187.5% */
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar {
    width: 100%;
    left: 0;
    bottom: 0.97143vw;
    height: 0.19429vw;
    background: #F0F0F0;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag {
    cursor: pointer;
    background: #D80C18;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag::after {
    content: '';
    width: 1.94286vw;
    height: 1.94286vw;
    background: url(../png/pro_tou.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: -0.09714vw;
  }
}

@media screen and (max-width: 1600px) {
  .header {
    transition: all 0.6s;
    background: #fff;
    backdrop-filter: blur(0vw);
    box-shadow: 0vw 0.10625vw 0.425vw 0vw rgba(0, 0, 0, 0.1);
  }
  .header.active1 {
    top: -4.78125vw;
  }
  .header .header_box .header_top .header_t_box .logo img:first-child {
    display: none;
  }
  .header .header_box .header_top .header_t_box .logo img:last-child {
    display: block;
  }
  .header .header_box .header_top .header_t_box .header_nav .haeder_nav_box .nav_item a {
    color: #111;
  }
  .banner {
    width: 100%;
    height: 45.475vw;
    position: relative;
    margin-top: 4.675vw;
  }
  .banner .crumbs {
    position: absolute;
    top: 0;
    z-index: 3;
    left: 0;
    background: transparent;
    width: 100%;
    height: auto;
    margin-top: 0;
    padding: 1.32812vw 0;
  }
  .banner .crumbs .crumbs_box {
    width: 100%;
    height: auto;
  }
  .banner .crumbs .crumbs_box ul {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .banner .crumbs .crumbs_box ul li:hover a p {
    color: #fff;
  }
  .banner .crumbs .crumbs_box ul li.active p {
    color: #fff;
  }
  .banner .crumbs .crumbs_box ul li .cru_tou {
    width: 0.37188vw;
    height: 0.6375vw;
  }
  .banner .crumbs .crumbs_box ul li .cru_tou img {
    width: 100%;
    height: 100%;
  }
  .banner .crumbs .crumbs_box ul li a {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .banner .crumbs .crumbs_box ul li a img {
    width: 1.0625vw;
    height: 1.0625vw;
    margin-right: 0.15937vw;
  }
  .banner .crumbs .crumbs_box ul li a p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 500;
    line-height: 1.0625vw;
    /* 125% */
  }
  .banner .crumbs .crumbs_box ul .cru_tou_box {
    margin: 0 0.53125vw;
  }
  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .mask {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.3);
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
  }
  .banner .banner_box .banner_contnet {
    position: absolute;
    bottom: 4.35625vw;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .banner .banner_box .banner_contnet h3 {
    text-align: left;
    color: #FFF;
    font-size: 2.65625vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 120% */
    text-transform: uppercase;
  }
  .banner .banner_box .banner_contnet h3 span {
    color: #D80C18;
  }
  .banner .banner_box .banner_contnet .line {
    margin-top: 1.7vw;
    width: 100%;
    height: 0.58437vw;
    position: relative;
  }
  .banner .banner_box .banner_contnet .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;
  }
  .banner .banner_box .banner_contnet p {
    margin-top: 1.7vw;
    color: #FFF;
    text-align: left;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.10625vw;
  }
  .main_content {
    width: 100%;
    height: auto;
  }
  .main_content .scenarios {
    width: 100%;
    height: auto;
    position: relative;
    padding: 6.32187vw 0;
    background: #F9F9F9;
  }
  .main_content .scenarios .scenarios_box {
    width: 100%;
    height: auto;
  }
  .main_content .scenarios .scenarios_box .scenarios_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l h3 {
    color: #111;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l .line {
    margin-top: 1.0625vw;
    width: 2.65625vw;
    height: 0.58437vw;
    position: relative;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_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;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 {
    color: #111;
    font-size: 2.65625vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot {
    width: 100%;
    height: auto;
    margin-top: 5.1vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item {
    width: 40.10938vw;
    height: 29.75vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:hover .mask {
    background: linear-gradient(180deg, rgba(216, 12, 24, 0) 0%, rgba(216, 12, 24, 0.9) 100%);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:first-child {
    border-radius: 10.625vw 0vw 0vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:last-child {
    border-radius: 0vw 0vw 10.625vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item img {
    width: 100%;
    height: 100%;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.5);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    padding: 0 2.39062vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_title {
    margin-top: 15.40625vw;
    text-align: left;
    color: #FFF;
    font-size: 1.38125vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.85938vw;
    /* 134.615% */
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_desc {
    margin-top: 1.22188vw;
    text-align: left;
    color: #FFF;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.38125vw;
    /* 162.5% */
  }
  .main_content .advantage {
    width: 100%;
    height: auto;
    position: relative;
    background: #fff;
    padding: 6.32187vw 0 0;
  }
  .main_content .advantage .advantage_box {
    width: 100%;
    height: auto;
  }
  .main_content .advantage .advantage_box .advantage_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l h3 {
    color: #111;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l .line {
    margin-top: 1.0625vw;
    width: 2.65625vw;
    height: 0.58437vw;
    position: relative;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_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;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 {
    color: #111;
    font-size: 2.65625vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .advantage .advantage_bot {
    width: 100%;
    height: auto;
    margin-top: 4.78125vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .main_content .advantage .advantage_bot .item {
    transition: all 0.6s;
    width: 23.4375%;
    height: 47.8125vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .advantage .advantage_bot .item.active {
    width: 53.125%;
  }
  .main_content .advantage .advantage_bot .item.active .mask {
    display: none;
  }
  .main_content .advantage .advantage_bot .item.active .item_icon_box {
    display: none;
  }
  .main_content .advantage .advantage_bot .item.active .item_box {
    display: block;
  }
  .main_content .advantage .advantage_bot .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .main_content .advantage .advantage_bot .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.35);
  }
  .main_content .advantage .advantage_bot .item .item_icon_box {
    width: 100%;
    height: auto;
    position: absolute;
    bottom: 4.62188vw;
    left: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_icon {
    width: 4.25vw;
    height: 4.25vw;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_num {
    z-index: 1;
    margin-top: 1.85938vw;
    font-family: 'DIN';
    font-size: 3.50625vw;
    font-style: normal;
    font-weight: 700;
    line-height: 3.50625vw;
    /* 53.03% */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_title {
    margin-top: -1.7vw;
    z-index: 2;
    color: #FFF;
    font-size: 1.38125vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.85938vw;
    /* 134.615% */
  }
  .main_content .advantage .advantage_bot .item .item_box {
    display: none;
    padding: 3.4vw 4.51562vw;
    width: 43.5625vw;
    height: 13.28125vw;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 2;
    border-radius: 5.3125vw 0vw 0vw 0vw;
    background: linear-gradient(180deg, rgba(218, 11, 24, 0.9) 0%, rgba(218, 11, 24, 0.45) 100%);
    backdrop-filter: blur(0.39844vw);
  }
  .main_content .advantage .advantage_bot .item .item_box .item_icon {
    width: 4.25vw;
    height: 4.25vw;
    position: absolute;
    top: 1.43437vw;
    right: 2.49687vw;
  }
  .main_content .advantage .advantage_bot .item .item_box .item_num {
    padding-top: 1.85938vw;
    position: absolute;
    right: 2.49687vw;
    bottom: 1.43437vw;
    font-family: 'DIN';
    font-size: 5.3125vw;
    font-style: normal;
    font-weight: 700;
    line-height: 1.85938vw;
    /* 35% */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .main_content .advantage .advantage_bot .item .item_box .item_title {
    color: #FFF;
    text-align: left;
    font-size: 1.38125vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.85938vw;
    /* 134.615% */
  }
  .main_content .advantage .advantage_bot .item .item_box .item_desc {
    width: 28.42188vw;
    margin-top: 1.54062vw;
    color: #FFF;
    text-align: left;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.59375vw;
    /* 187.5% */
  }
  .main_content .project {
    width: 100%;
    height: auto;
    background: #fff;
    padding: 6.05625vw 0 7.4375vw;
  }
  .main_content .project .pro_box {
    width: 100%;
    height: auto;
  }
  .main_content .project .pro_box .pro_b_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l h3 {
    color: #111;
    font-size: 2.125vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l .line {
    margin-top: 1.0625vw;
    width: 2.65625vw;
    height: 0.58437vw;
    position: relative;
  }
  .main_content .project .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;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r h3 {
    color: #111;
    font-size: 2.65625vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.1875vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r p {
    margin-top: 0.69062vw;
    color: #999;
    font-size: 0.74375vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.85938vw;
    /* 250% */
  }
  .main_content .project .pro_box .pro_b_bot {
    width: 100%;
    height: auto;
    margin-top: 4.40937vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box {
    width: 100%;
    height: auto;
    padding-bottom: 3.825vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item {
    margin-right: 4.51562vw;
    width: 23.90625vw !important;
    height: auto;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_img img {
    transform: scale(1.05);
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_contennt .item_title {
    color: #D80C18;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img {
    width: 100%;
    height: 15.48594vw;
    overflow: hidden;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.6s;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt {
    width: 100%;
    height: auto;
    padding: 1.59375vw 0;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_title {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
    color: #111;
    font-size: 1.16875vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.85938vw;
    /* 159.091% */
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc {
    margin-top: 1.0625vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc p {
    text-align: left;
    color: #999;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.59375vw;
    /* 187.5% */
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar {
    width: 100%;
    left: 0;
    bottom: 1.0625vw;
    height: 0.2125vw;
    background: #F0F0F0;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag {
    cursor: pointer;
    background: #D80C18;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag::after {
    content: '';
    width: 2.125vw;
    height: 2.125vw;
    background: url(../png/pro_tou.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: -0.10625vw;
  }
}

@media screen and (max-width: 1400px) {
  .header {
    transition: all 0.6s;
    background: #fff;
    backdrop-filter: blur(0vw);
    box-shadow: 0vw 0.12143vw 0.48571vw 0vw rgba(0, 0, 0, 0.1);
  }
  .header.active1 {
    top: -5.46429vw;
  }
  .header .header_box .header_top .header_t_box .logo img:first-child {
    display: none;
  }
  .header .header_box .header_top .header_t_box .logo img:last-child {
    display: block;
  }
  .header .header_box .header_top .header_t_box .header_nav .haeder_nav_box .nav_item a {
    color: #111;
  }
  .banner {
    width: 100%;
    height: 51.97143vw;
    position: relative;
    margin-top: 5.34286vw;
  }
  .banner .crumbs {
    position: absolute;
    top: 0;
    z-index: 3;
    left: 0;
    background: transparent;
    width: 100%;
    height: auto;
    margin-top: 0;
    padding: 1.51786vw 0;
  }
  .banner .crumbs .crumbs_box {
    width: 100%;
    height: auto;
  }
  .banner .crumbs .crumbs_box ul {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .banner .crumbs .crumbs_box ul li:hover a p {
    color: #fff;
  }
  .banner .crumbs .crumbs_box ul li.active p {
    color: #fff;
  }
  .banner .crumbs .crumbs_box ul li .cru_tou {
    width: 0.425vw;
    height: 0.72857vw;
  }
  .banner .crumbs .crumbs_box ul li .cru_tou img {
    width: 100%;
    height: 100%;
  }
  .banner .crumbs .crumbs_box ul li a {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .banner .crumbs .crumbs_box ul li a img {
    width: 1.21429vw;
    height: 1.21429vw;
    margin-right: 0.18214vw;
  }
  .banner .crumbs .crumbs_box ul li a p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 500;
    line-height: 1.21429vw;
    /* 125% */
  }
  .banner .crumbs .crumbs_box ul .cru_tou_box {
    margin: 0 0.60714vw;
  }
  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .mask {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.3);
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
  }
  .banner .banner_box .banner_contnet {
    position: absolute;
    bottom: 4.97857vw;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .banner .banner_box .banner_contnet h3 {
    text-align: left;
    color: #FFF;
    font-size: 3.03571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 120% */
    text-transform: uppercase;
  }
  .banner .banner_box .banner_contnet h3 span {
    color: #D80C18;
  }
  .banner .banner_box .banner_contnet .line {
    margin-top: 1.94286vw;
    width: 100%;
    height: 0.66786vw;
    position: relative;
  }
  .banner .banner_box .banner_contnet .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;
  }
  .banner .banner_box .banner_contnet p {
    margin-top: 1.94286vw;
    color: #FFF;
    text-align: left;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.12143vw;
  }
  .main_content {
    width: 100%;
    height: auto;
  }
  .main_content .scenarios {
    width: 100%;
    height: auto;
    position: relative;
    padding: 7.225vw 0;
    background: #F9F9F9;
  }
  .main_content .scenarios .scenarios_box {
    width: 100%;
    height: auto;
  }
  .main_content .scenarios .scenarios_box .scenarios_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l h3 {
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l .line {
    margin-top: 1.21429vw;
    width: 3.03571vw;
    height: 0.66786vw;
    position: relative;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_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;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 {
    color: #111;
    font-size: 3.03571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot {
    width: 100%;
    height: auto;
    margin-top: 5.82857vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item {
    width: 45.83929vw;
    height: 34vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:hover .mask {
    background: linear-gradient(180deg, rgba(216, 12, 24, 0) 0%, rgba(216, 12, 24, 0.9) 100%);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:first-child {
    border-radius: 12.14286vw 0vw 0vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:last-child {
    border-radius: 0vw 0vw 12.14286vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item img {
    width: 100%;
    height: 100%;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.5);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    padding: 0 2.73214vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_title {
    margin-top: 17.60714vw;
    text-align: left;
    color: #FFF;
    font-size: 1.57857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.125vw;
    /* 134.615% */
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_desc {
    margin-top: 1.39643vw;
    text-align: left;
    color: #FFF;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.57857vw;
    /* 162.5% */
  }
  .main_content .advantage {
    width: 100%;
    height: auto;
    position: relative;
    background: #fff;
    padding: 7.225vw 0 0;
  }
  .main_content .advantage .advantage_box {
    width: 100%;
    height: auto;
  }
  .main_content .advantage .advantage_box .advantage_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l h3 {
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l .line {
    margin-top: 1.21429vw;
    width: 3.03571vw;
    height: 0.66786vw;
    position: relative;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_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;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 {
    color: #111;
    font-size: 3.03571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .advantage .advantage_bot {
    width: 100%;
    height: auto;
    margin-top: 5.46429vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .main_content .advantage .advantage_bot .item {
    transition: all 0.6s;
    width: 23.4375%;
    height: 54.64286vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .advantage .advantage_bot .item.active {
    width: 53.125%;
  }
  .main_content .advantage .advantage_bot .item.active .mask {
    display: none;
  }
  .main_content .advantage .advantage_bot .item.active .item_icon_box {
    display: none;
  }
  .main_content .advantage .advantage_bot .item.active .item_box {
    display: block;
  }
  .main_content .advantage .advantage_bot .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .main_content .advantage .advantage_bot .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.35);
  }
  .main_content .advantage .advantage_bot .item .item_icon_box {
    width: 100%;
    height: auto;
    position: absolute;
    bottom: 5.28214vw;
    left: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_icon {
    width: 4.85714vw;
    height: 4.85714vw;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_num {
    z-index: 1;
    margin-top: 2.125vw;
    font-family: 'DIN';
    font-size: 4.00714vw;
    font-style: normal;
    font-weight: 700;
    line-height: 4.00714vw;
    /* 53.03% */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_title {
    margin-top: -1.94286vw;
    z-index: 2;
    color: #FFF;
    font-size: 1.57857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.125vw;
    /* 134.615% */
  }
  .main_content .advantage .advantage_bot .item .item_box {
    display: none;
    padding: 3.88571vw 5.16071vw;
    width: 49.78571vw;
    height: 15.17857vw;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 2;
    border-radius: 6.07143vw 0vw 0vw 0vw;
    background: linear-gradient(180deg, rgba(218, 11, 24, 0.9) 0%, rgba(218, 11, 24, 0.45) 100%);
    backdrop-filter: blur(0.45536vw);
  }
  .main_content .advantage .advantage_bot .item .item_box .item_icon {
    width: 4.85714vw;
    height: 4.85714vw;
    position: absolute;
    top: 1.63929vw;
    right: 2.85357vw;
  }
  .main_content .advantage .advantage_bot .item .item_box .item_num {
    padding-top: 2.125vw;
    position: absolute;
    right: 2.85357vw;
    bottom: 1.63929vw;
    font-family: 'DIN';
    font-size: 6.07143vw;
    font-style: normal;
    font-weight: 700;
    line-height: 2.125vw;
    /* 35% */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .main_content .advantage .advantage_bot .item .item_box .item_title {
    color: #FFF;
    text-align: left;
    font-size: 1.57857vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.125vw;
    /* 134.615% */
  }
  .main_content .advantage .advantage_bot .item .item_box .item_desc {
    width: 32.48214vw;
    margin-top: 1.76071vw;
    color: #FFF;
    text-align: left;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.82143vw;
    /* 187.5% */
  }
  .main_content .project {
    width: 100%;
    height: auto;
    background: #fff;
    padding: 6.92143vw 0 8.5vw;
  }
  .main_content .project .pro_box {
    width: 100%;
    height: auto;
  }
  .main_content .project .pro_box .pro_b_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l h3 {
    color: #111;
    font-size: 2.42857vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l .line {
    margin-top: 1.21429vw;
    width: 3.03571vw;
    height: 0.66786vw;
    position: relative;
  }
  .main_content .project .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;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r h3 {
    color: #111;
    font-size: 3.03571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.64286vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r p {
    margin-top: 0.78929vw;
    color: #999;
    font-size: 0.85vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.125vw;
    /* 250% */
  }
  .main_content .project .pro_box .pro_b_bot {
    width: 100%;
    height: auto;
    margin-top: 5.03929vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box {
    width: 100%;
    height: auto;
    padding-bottom: 4.37143vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item {
    margin-right: 5.16071vw;
    width: 27.32143vw !important;
    height: auto;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_img img {
    transform: scale(1.05);
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_contennt .item_title {
    color: #D80C18;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img {
    width: 100%;
    height: 17.69821vw;
    overflow: hidden;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.6s;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt {
    width: 100%;
    height: auto;
    padding: 1.82143vw 0;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_title {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
    color: #111;
    font-size: 1.33571vw;
    font-style: normal;
    font-weight: 400;
    line-height: 2.125vw;
    /* 159.091% */
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc {
    margin-top: 1.21429vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc p {
    text-align: left;
    color: #999;
    font-size: 0.97143vw;
    font-style: normal;
    font-weight: 400;
    line-height: 1.82143vw;
    /* 187.5% */
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar {
    width: 100%;
    left: 0;
    bottom: 1.21429vw;
    height: 0.24286vw;
    background: #F0F0F0;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag {
    cursor: pointer;
    background: #D80C18;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag::after {
    content: '';
    width: 2.42857vw;
    height: 2.42857vw;
    background: url(../png/pro_tou.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: -0.12143vw;
  }
}

@media screen and (max-width: 1024px) {
  .banner {
    width: 100%;
    height: 100vh;
    position: relative;
    margin-top: 13.33333vw;
  }
  .banner .crumbs {
    position: absolute;
    top: 0;
    z-index: 3;
    left: 0;
    background: transparent;
    width: 100%;
    height: auto;
    margin-top: 0;
    padding: 3.33333vw 0;
  }
  .banner .crumbs .crumbs_box {
    width: 100%;
    height: auto;
  }
  .banner .crumbs .crumbs_box ul {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .banner .crumbs .crumbs_box ul li:hover a p {
    color: #fff;
  }
  .banner .crumbs .crumbs_box ul li.active p {
    text-align: left;
    width: 38vw;
    color: #fff;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
  }
  .banner .crumbs .crumbs_box ul li .cru_tou {
    width: 0.93333vw;
    height: 1.6vw;
  }
  .banner .crumbs .crumbs_box ul li .cru_tou img {
    width: 100%;
    height: 100%;
  }
  .banner .crumbs .crumbs_box ul li a {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .banner .crumbs .crumbs_box ul li a img {
    width: 3.46667vw;
    height: 3.46667vw;
    margin-right: 1.6vw;
  }
  .banner .crumbs .crumbs_box ul li a p {
    color: #fff;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 500;
    line-height: 3.2vw;
    /* 125% */
  }
  .banner .crumbs .crumbs_box ul .cru_tou_box {
    margin: 0 2vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .banner .mask {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.3);
  }
  .banner .banner_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
  }
  .banner .banner_box .banner_contnet {
    position: absolute;
    bottom: 22.66667vw;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .banner .banner_box .banner_contnet h3 {
    text-align: left;
    color: #FFF;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    text-transform: uppercase;
  }
  .banner .banner_box .banner_contnet h3 span {
    color: #D80C18;
  }
  .banner .banner_box .banner_contnet .line {
    margin-top: 4.26667vw;
    width: 100%;
    height: 1.46667vw;
    position: relative;
  }
  .banner .banner_box .banner_contnet .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;
  }
  .banner .banner_box .banner_contnet p {
    margin-top: 4.26667vw;
    color: #FFF;
    text-align: left;
    font-size: 5.6vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: 0.26667vw;
  }
  .main_content {
    width: 100%;
    height: auto;
  }
  .main_content .scenarios {
    width: 100%;
    height: auto;
    position: relative;
    padding: 15.86667vw 0 13.2vw;
    background: #F9F9F9;
  }
  .main_content .scenarios .scenarios_box {
    width: 100%;
    height: auto;
  }
  .main_content .scenarios .scenarios_box .scenarios_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-start;
    justify-content: space-between;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l {
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-start;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l h3 {
    margin-top: 3.46667vw;
    color: #111;
    font-size: 5.6vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_l .line {
    margin-top: 3.06667vw;
    width: 6.66667vw;
    height: 1.46667vw;
    position: relative;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_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;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 {
    text-align: left;
    color: #111;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .scenarios .scenarios_box .scenarios_top .scenarios_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot {
    width: 100%;
    height: auto;
    margin-top: 12.8vw;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item {
    width: 100.66667vw;
    height: 74.66667vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:hover .mask {
    background: linear-gradient(180deg, rgba(216, 12, 24, 0) 0%, rgba(216, 12, 24, 0.9) 100%);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:first-child {
    border-radius: 26.66667vw 0vw 0vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item:last-child {
    border-radius: 0vw 0vw 26.66667vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item img {
    width: 100%;
    height: 100%;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.5);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    padding: 0 6vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_title {
    margin-top: 38.66667vw;
    text-align: left;
    color: #FFF;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4.66667vw;
    /* 134.615% */
  }
  .main_content .scenarios .scenarios_box .scenarios_bot .item .item_box .item_desc {
    margin-top: 3.06667vw;
    text-align: left;
    color: #FFF;
    font-size: 2.13333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 3.46667vw;
    /* 162.5% */
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb {
    padding-bottom: 5.33333vw;
    width: 100%;
    height: auto;
    margin-top: 12.8vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item {
    margin-right: 2.66667vw;
    width: 62.26667vw;
    height: 94.26667vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item:last-child {
    margin-right: 0;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item:first-child {
    border-radius: 26.66667vw 0vw 0vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item:last-child {
    border-radius: 0vw 0vw 26.66667vw 0vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item img {
    width: 100%;
    height: 100%;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.5);
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item .item_box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    padding: 0 6vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item .item_box .item_title {
    margin-top: 38.66667vw;
    text-align: left;
    color: #FFF;
    font-size: 4.53333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4.66667vw;
    /* 134.615% */
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .item .item_box .item_desc {
    margin-top: 3.06667vw;
    text-align: left;
    color: #FFF;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 5.33333vw;
    /* 162.5% */
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .swiper-pagination {
    bottom: 0;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .swiper-pagination .swiper-pagination-bullet {
    margin: 0;
    width: 8.8vw;
    height: 0.8vw;
    background: #D9D9D9;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .swiper-pagination .swiper-pagination-bullet:first-child {
    border-radius: 0.8vw 0 0 0.8vw;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .swiper-pagination .swiper-pagination-bullet:last-child {
    border-radius: 0 0.8vw 0.8vw 0;
  }
  .main_content .scenarios .scenarios_box .scenarios_bot_mb .swiper-pagination .swiper-pagination-bullet-active {
    background: #D80C18;
  }
  .main_content .advantage {
    width: 100%;
    height: auto;
    position: relative;
    background: #fff;
    padding: 15.86667vw 0 0;
  }
  .main_content .advantage .advantage_box {
    width: 100%;
    height: auto;
  }
  .main_content .advantage .advantage_box .advantage_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-start;
    justify-content: space-between;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l {
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-start;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l h3 {
    margin-top: 3.46667vw;
    color: #111;
    font-size: 5.6vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_l .line {
    margin-top: 3.06667vw;
    width: 6.66667vw;
    height: 1.46667vw;
    position: relative;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_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;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 {
    text-align: left;
    color: #111;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .advantage .advantage_box .advantage_top .advantage_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .advantage .advantage_bot {
    width: 100%;
    height: auto;
    margin-top: 7.33333vw;
    padding: 0 4vw;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .main_content .advantage .advantage_bot .item {
    margin-top: 4.53333vw;
    transition: all 0.6s;
    width: 100%;
    height: 81.33333vw;
    position: relative;
    overflow: hidden;
  }
  .main_content .advantage .advantage_bot .item.active {
    width: 100%;
  }
  .main_content .advantage .advantage_bot .item.active .mask {
    display: none;
  }
  .main_content .advantage .advantage_bot .item.active .item_icon_box {
    display: none;
  }
  .main_content .advantage .advantage_bot .item.active .item_box {
    display: block;
  }
  .main_content .advantage .advantage_bot .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .main_content .advantage .advantage_bot .item .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.35);
  }
  .main_content .advantage .advantage_bot .item .item_icon_box {
    width: 100%;
    height: auto;
    position: absolute;
    bottom: 11.6vw;
    left: 0;
    z-index: 2;
    display: none;
    flex-direction: column;
    align-items: center;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_icon {
    width: 10.66667vw;
    height: 10.66667vw;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_num {
    z-index: 1;
    margin-top: 4.66667vw;
    font-family: 'DIN';
    font-size: 8.8vw;
    font-style: normal;
    font-weight: 700;
    line-height: 8.8vw;
    /* 53.03% */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .main_content .advantage .advantage_bot .item .item_icon_box .item_title {
    margin-top: -4.26667vw;
    z-index: 2;
    color: #FFF;
    font-size: 3.46667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4.66667vw;
    /* 134.615% */
  }
  .main_content .advantage .advantage_bot .item .item_box {
    display: block;
    padding: 5.86667vw 0 5.86667vw 6.53333vw;
    width: 100%;
    height: auto;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 2;
    border-radius: 13.33333vw 0vw 0vw 0vw;
    background: linear-gradient(180deg, rgba(218, 11, 24, 0.9) 0%, rgba(218, 11, 24, 0.45) 100%);
    backdrop-filter: blur(1vw);
  }
  .main_content .advantage .advantage_bot .item .item_box .item_icon {
    width: 10.66667vw;
    height: 10.66667vw;
    position: absolute;
    top: 1.46667vw;
    right: 2.53333vw;
  }
  .main_content .advantage .advantage_bot .item .item_box .item_num {
    display: none;
    padding-top: 4.66667vw;
    position: absolute;
    right: 6.26667vw;
    bottom: 3.6vw;
    font-family: 'DIN';
    font-size: 13.33333vw;
    font-style: normal;
    font-weight: 700;
    line-height: 4.66667vw;
    /* 35% */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 117.14%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .main_content .advantage .advantage_bot .item .item_box .item_title {
    color: #FFF;
    text-align: left;
    font-size: 4.53333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4.66667vw;
    /* 134.615% */
  }
  .main_content .advantage .advantage_bot .item .item_box .item_desc {
    width: 84vw;
    margin-top: 3.86667vw;
    color: #FFF;
    text-align: left;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 5.33333vw;
    /* 187.5% */
  }
  .main_content .project {
    width: 100%;
    height: auto;
    background: #fff;
    padding: 15.2vw 0 18.66667vw;
  }
  .main_content .project .pro_box {
    width: 100%;
    height: auto;
  }
  .main_content .project .pro_box .pro_b_top {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-start;
    justify-content: space-between;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l {
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-start;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l h3 {
    margin-top: 3.46667vw;
    color: #111;
    font-size: 5.6vw;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_l .line {
    margin-top: 3.06667vw;
    width: 6.66667vw;
    height: 1.46667vw;
    position: relative;
  }
  .main_content .project .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;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r h3 {
    text-align: left;
    color: #111;
    font-size: 6.66667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 8vw;
    /* 120% */
    text-transform: uppercase;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r h3 span {
    color: #D80C18;
  }
  .main_content .project .pro_box .pro_b_top .pro_b_t_r p {
    margin-top: 1.73333vw;
    color: #999;
    font-size: 1.86667vw;
    font-style: normal;
    font-weight: 400;
    line-height: 4.66667vw;
    /* 250% */
  }
  .main_content .project .pro_box .pro_b_bot {
    width: 100%;
    height: auto;
    margin-top: 11.06667vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box {
    width: 100%;
    height: auto;
    padding-bottom: 9.6vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item {
    margin-right: 2.93333vw;
    width: 44.66667vw !important;
    height: auto;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_img img {
    transform: scale(1);
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item:hover .item_contennt .item_title {
    color: #D80C18;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img {
    width: 100%;
    height: 28.8vw;
    overflow: hidden;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.6s;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt {
    width: 100%;
    height: auto;
    padding: 4vw 0;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_title {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
    color: #111;
    font-size: 3.73333vw;
    font-style: normal;
    font-weight: 400;
    line-height: 5.86667vw;
    /* 159.091% */
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc {
    margin-top: 5.33333vw;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .pro_item .item_contennt .item_desc p {
    text-align: left;
    color: #999;
    font-size: 3.2vw;
    font-style: normal;
    font-weight: 400;
    line-height: 5.86667vw;
    /* 187.5% */
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar {
    width: 100%;
    left: 0;
    bottom: 2.66667vw;
    height: 0.8vw;
    background: #F0F0F0;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag {
    cursor: pointer;
    background: #D80C18;
  }
  .main_content .project .pro_box .pro_b_bot .pro_b_b_box .swiper-scrollbar-drag::after {
    content: '';
    width: 6.93333vw;
    height: 6.93333vw;
    background: url(../png/pro_tou.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: -0.26667vw;
  }
}