* {
  margin: 0;
  padding: 0;
}

.public_w {
  max-width: 1320px;
  width: 85%;
  margin: 0 auto;
}

.banner_swiper {
  width: 100%;
  position: relative;

}

.banner_swiper .swiper-slide {
  overflow: hidden;
}

.banner_swiper .swiper-slide img {
  width: 100%;
  object-fit: cover;
}

.banner_swiper .swiper-slide-active img {
  animation: animate1 4s ease-out;
}

.banner_swiper .swiper-slide .animate {
  animation: animate1 4s ease-out;
}

@keyframes animate1 {
  0% {
    transform: scale(1.2);
  }

  100% {
    transform: scale(1);
  }
}

.banner_swiper .banner_title {
  width: 100%;
  height: 40vh;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translate(-50%);
  right: 0;
  margin: auto;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: calc(12px + 1rem);
}

.banner_swiper .banner_title div:nth-of-type(1) {

  font-family: PINGFANG;
  font-weight: bold;
  font-size: calc(8px + 2rem);
  color: #FFFFFF;
  text-shadow: 0px 3px 16px rgba(22, 64, 113, 0.45);
  position: relative;
  top: 0;
  opacity: 0;

}


.banner_title .p1 {
  animation: animate2 .6s linear;
  animation-fill-mode: forwards;
}

.banner_swiper .banner_title div:nth-of-type(2) {
  font-family: PINGFANG;
  font-weight: 300;
  font-size: calc(6px + 1rem);
  color: #FFFFFF;
  text-shadow: 0px 3px 16px rgba(22, 64, 113, 0.45);
  opacity: 0.8;
  position: relative;
  bottom: 0;
  opacity: 0;


}

.banner_title .p2 {
  animation: animate3 .6s linear;
  animation-fill-mode: forwards;
}

@keyframes animate2 {
  0% {
    top: 5%;
    opacity: 0;
  }

  100% {
    top: 0;
    opacity: 1;
  }
}

@keyframes animate3 {
  0% {
    bottom: 5%;
    opacity: 0;
  }

  100% {
    bottom: 0;
    opacity: 1;
  }
}

.banner_btn {
  width: calc(20px + 8rem);
  line-height: calc(16px + 2rem);

  background: #D30303;

  font-family: PINGFANG;
  font-weight: 300;
  font-size: calc(10px + 0.5rem);
  color: #FFFFFF;
  position: absolute;
  bottom: 30%;
  left: 50%;
  transform: translate(-50%);
  z-index: 1;
  text-align: center;
}

.icon {
  width: calc(4px + 1rem);
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translate(-50%);
  z-index: 1;
  animation: 2s icon1 linear infinite;
}

.icon img {
  width: 100%;
}

@keyframes icon1 {
  0% {
    bottom: 12%;
  }

  50% {
    bottom: 8%;
  }

  100% {
    bottom: 12%;
  }
}

.core_technology_box {
  width: 100%;
  padding-top: calc(31px + 5rem);
  background: url(../images/bg.jpg) no-repeat;
  background-size: cover
}


.core_technology .core_tec_title {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: calc(-8px + 1rem);
}

.core_technology .core_tec_title div:nth-of-type(1) {
  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(14px + 2rem);
  color: #333333;
}

.core_technology .core_tec_title div:nth-of-type(2) {

  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(8px + 1rem);
  color: #6B6C6C;
  margin-bottom: calc(16px + 2rem);
}

.core_tec_card_box {
  max-width: 1420px;
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: calc(53px + 5rem);

}

.core_tec_card {
  width: 23.6%;
  position: relative;
}

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

.core_tec_card_name {
  width: 100%;
  padding: calc(10px + 0.5rem) calc(15px + 0.5rem);
  position: absolute;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
  border-top: 1px #EEEEEE solid;
  cursor: pointer;

}

.core_tec_card_name div {

  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(6px + 1rem);
  color: #FFFFFF;
}



.core_tec_card:hover .core_tec_card_name {
  color: #D21010;
  transition: .5s;
}

.core_tec_card:hover .core_tec_card_name div {
  color: #D21010;
  transition: .5s;
}

.core_tec_card_line {
  width: 0;
  height: 1px;
  background-color: #D21010;
  position: absolute;
  bottom: 100%;
  left: 0;
}

.core_tec_card:hover .core_tec_card_line {
  width: 100%;
  transition: .5s;
}


.brand_box {
  width: 100%;
  padding: calc(40px + 5rem) 0;
}

.brand {
  max-width: 1420px;
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand .brand_left {
  width: 42%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: calc(16px + 1rem);
}

.brand .brand_right {
  width: 49%;
}

.brand .brand_right img {
  width: 100%;
  object-fit: cover;
}

.brand_left .brand_left_title {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: calc(-8px + 1rem);
}

.brand_left .brand_left_title div:nth-of-type(1) {
  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(14px + 2rem);
  color: #333333;
}

.brand_left .brand_left_title div:nth-of-type(2) {

  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(8px + 1rem);
  color: #6B6C6C;
  padding-right: 20%;
}


.brand_left_con {
  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #666666;
  line-height: calc(12px + 1rem);
}

.brand_left_more {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 0.025rem;
}

.brand_left_more div:nth-of-type(1) {
  width: calc(78px + 5rem);
  background: #D21010;
  border: 1px solid #FFFFFF;

  font-family: PINGFANG;
  font-weight: 300;
  font-size: calc(8px + 0.5rem);
  color: #FFFFFF;
  line-height: calc(20px + 2rem);
  text-align: center;
}

.brand_left_more div:nth-of-type(2) {
  width: calc(3px + 2rem);
  background: #D21010;


  font-family: PINGFANG;
  font-weight: 600;
  font-size: calc(8px + 0.5rem);
  color: #FFFFFF;
  height: calc(20px + 2rem);
  display: flex;
  justify-content: center;
  align-items: center;
}

.brand_left_more div:nth-of-type(2) img {
  width: calc(0.8px + 0.3rem);
}


.strength_box {
  width: 100%;
  padding-top: calc(40px + 5rem);
  padding-bottom: calc(16px + 5rem);
  background: url(../images/strbg.jpg) no-repeat;
  background-size: cover;

}

.strength {
  max-width: 1420px;
  width: 85%;
  margin: auto;
}


.strength .strength_title {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: calc(-8px + 1rem);
}

.strength .strength_title div:nth-of-type(1) {
  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(14px + 2rem);
  color: #ffffff;
}

.strength .strength_title div:nth-of-type(2) {

  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(8px + 1rem);
  color: #ffffff;
  padding-right: 20%;
}

.strength_card_box {
  width: 60%;
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: calc(5px + 0.75rem);
  margin-top: calc(11px + 2rem);
}

.strength_card_box .strength_card {
  width: calc(54px + 10rem);
  background: #FFFFFF;
  border-radius: 9px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: calc(8px + 0.5rem) 0;
  cursor: pointer;
}

.strength_card p:nth-of-type(1) {

  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(8px + 0.5rem);
  color: #676E7A;
  margin-top: calc(1px + 0.25rem);
}

.strength_card p:nth-of-type(2) {

  font-family: PINGFANG;
  font-weight: 600;
  font-size: calc(6px + 1rem);
  color: #263349;
}

.news_box {
  width: 100%;
  padding: calc(40px + 5rem) 0;
}

.news {
  max-width: 1420px;
  width: 85%;
  margin: auto;
}


.news .news_title {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: calc(-8px + 1rem);
}

.news .news_title div:nth-of-type(1) {
  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(14px + 2rem);
  color: #333333;
}

.news .news_title div:nth-of-type(2) {

  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(8px + 1rem);
  color: #6B6C6C;

  margin-bottom: calc(16px + 2rem);
}

.news_select_box{
  width: 100%;
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid #CBCBCB;
}

.news_select_box .news_select_nbox {
  width: 100%;
  
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 calc(10px + 1rem);
}



.news_select_box .news_select_nbox .news_select {

  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(10px + 0.5rem);
  color: #333333;
  opacity: 0.7;
  line-height: calc(20px + 2rem);
  cursor: pointer;

}

.news_select_box .news_select_nbox .news_select:nth-of-type(1) {
  color: #D21010;
}

.news_line {
  width: 1px;
  height: calc(10px + 0.5rem);
  background: #FFFFFF;
  border: 1px solid #CBCBCB;
}

.news_line:nth-last-of-type(1) {
  display: none;
}

.news_select_card_box {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(14px + 2rem);
  display: none;

}

.news_select_card_box:nth-of-type(3) {
  display: flex;
}

.news_select_card {
  width: 23%;
  background: #FFFFFF;
  border: 1px solid #E5E5E5;

  cursor: pointer;
}

.news_select_card:hover {
  box-shadow: 0px 16px 22px 2px rgba(0, 39, 61, 0.06);
  border: none;
  transition: .5s;
}

.news_select_card:hover .news_detail div {
  color: #D21010;
}

.news_select_card .news_pic {
  width: 100%;
  height: calc(10px + 10rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;

}

.news_select_card .news_pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: .5s;
}

.news_select_card:hover .news_pic img {
  transform: scale(1.2);
}

.news_select_card .news_time {

  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #B7B7B7;
  margin-top: calc(2px + 1.5rem);
  padding: 0 calc(8px + 1rem);
}

.news_select_card .news_name {
  font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(10px + 0.5rem);
  color: #363636;
  margin-top: calc(1px + 0.5rem);
  padding: 0 calc(8px + 1rem);
  height: calc(18px + 2rem);
  overflow: hidden;
}

.news_detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(1px + 1rem);
  padding: 0 calc(8px + 1rem);
  margin-bottom: calc(8px + 0.5rem);
}

.news_detail div:nth-of-type(1) {

  font-family: PINGFANG;
  font-weight: 300;
  font-size: calc(6px + 0.5rem);
  color: #050D64;

}

.news_detail div:nth-of-type(2) img {
  width: calc(6px + 1.5rem);
}

.news_detail div:nth-of-type(2) img:nth-of-type(2) {
  display: none;
}

.news_select_card:hover .news_detail div:nth-of-type(2) img:nth-of-type(1) {
  display: none;
}

.news_select_card:hover .news_detail div:nth-of-type(2) img:nth-of-type(2) {
  display: block;
}


.news_select_card_box:nth-of-type(1) {
  display: flex
}

.news_more {
  width: calc(21px + 10rem);
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 0.025rem;
  margin: auto;
  margin-top: calc(19px + 2rem);
}

.news_more div:nth-of-type(1) {
  width: calc(78px + 5rem);
  background: #D21010;
  border: 1px solid #FFFFFF;

  font-family: PINGFANG;
  font-weight: 300;
  font-size: calc(8px + 0.5rem);
  color: #FFFFFF;
  line-height: calc(20px + 2rem);
  text-align: center;
}

.news_more div:nth-of-type(2) {
  width: calc(3px + 2rem);
  background: #D21010;


  font-family: PINGFANG;
  font-weight: 600;
  font-size: calc(8px + 0.5rem);
  color: #FFFFFF;
  height: calc(20px + 2rem);
  display: flex;
  justify-content: center;
  align-items: center;
}

.news_more div:nth-of-type(2) img {
  width: calc(0.8px + 0.3rem);
}

@media (max-width: 1100px) {

  .banner_btn {
    display: none;
  }

  .core_tec_title {
    width: 85%;
    margin: auto;
  }

  .core_tec_card_box {
    display: flex;
    flex-wrap: wrap;
    gap: calc(5px + 0.5rem)
  }

  .core_tec_card {
    width: 47%;
  }

  .core_tec_card_name div:nth-of-type(1) {
    line-height: calc(2px + 8rem);
    padding: 0 calc(1px + 0.25rem)
  }

  .brand_box {
    padding: calc(10px + 5rem) 0;
  }

  .brand {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  .brand .brand_left {
    width: 100%;
  }

  .brand_left_title {
    width: 100%;
  }

  .brand_left_con {
    width: 100%;
  }

  .brand .brand_right {
    width: 100%;
    margin-top: calc(15px + 0.5rem);
  }


  .strength_card_box {
    width: 100%;
    display: flex;
    flex-wrap: wrap;

  }

  .strength_card_box .strength_card {
    width: 48%;
  }


  .news_select_card_box {
    display: flex;
    flex-wrap: wrap;
    gap: calc(5px + 1rem);
  }

  .news_select_card_box:nth-of-type(4) {
    display: none;
  }

  .news_select_card_box .news_select_card {
    width: 48%;
  }


  .news_more {

    margin-top: calc(-60px + 2rem);
  }

  .brand_left_con {
    font-size: calc(10px + 1rem);
    line-height: calc(10px + 3rem);
  }

  .core_tec_card_name {
    padding: 0;
  }

  .core_tec_card_name div {
    font-size: calc(9px + 1rem);
  }

  .core_tec_card_name div:nth-of-type(1) {
    text-align: center;
  }

  .core_tec_card_name div:nth-of-type(2) {
    display: none;
  }

  .core_tec_card_box {

    padding-bottom: calc(18px + 5rem);
  }

  .news_select_card .news_pic {

    height: calc(10px + 20rem);

  }

  .news_select_card .news_name {
    font-family: PINGFANG;
  font-weight: 400;
  font-size: calc(10px + 0.5rem);
  color: #363636;
  margin-top: calc(1px + 0.5rem);
  padding: 0 calc(8px + 1rem);
  height: calc(13px + 2rem);
  overflow: hidden;
  }

  .news_select_card .news_time {
    font-size: calc(6px + 1rem);
    padding: 0 calc(3px + 1rem);
  }

  .news_select_card .news_detail {
    font-size: calc(6px + 1rem);
    padding: 0 calc(3px + 1rem);
  }

.news_select_box{
  overflow-x: scroll;
}
 .news_select_box .news_select_nbox{
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: max-content;
    gap: calc(5px + 0.25rem);
   
  }

  .news_select_box .news_select_nbox .news_select{
    font-size: calc(9px + 1rem);
  }
  
   .banner_title div:nth-of-type(2){
    padding: 0 calc(5px +1rem);
    font-size: calc(9px + 1rem);
    text-align: center;
  }


}