* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #F5F5F5;
}


/* 自定义整个滚动条 */
::-webkit-scrollbar {
  width: 3px;
  /* 设置滚动条的宽度 */
  background-color: #f9f9f9;
  /* 滚动条的背景色 */
}

/* 自定义滚动条轨道 */
::-webkit-scrollbar-track {
  background: #f9f9f9;
  /* 轨道的背景色 */
  /* 轨道的圆角 */
}

/* 自定义滚动条的滑块（thumb） */
::-webkit-scrollbar-thumb {
  background-color: #1D5D9F;
  /* 滑块的背景色 */
  /
}


.banner_box {
  width: 100%;
  height: 100vh;
}

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

.banner_box .swiper-slide {
  position: relative;
}

.banner_swiper .swiper {
  width: 100%;
  height: 100%;
}

.banner_swiper .swiper img {
  width: 100%;
  height: 100%;
}

.banner_text {
  max-width: 1521px;
  width: 85%;
  margin: auto;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: calc(7px + 1rem);
  padding-left: 2rem;
  
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}
banner_text.active{
    opacity: 1;
    transform: translateY(0);
}

.banner_text .swiper_title {
  width: calc(86px + 5rem);
  height: calc(14px + 2rem);
  transform: skewX(-30deg);
  border: 1px solid #FFFFFF80;
  display: flex;
  justify-content: center;
  align-items: center;
  border-left: none;
  border-right: none;
  margin-left: 0.75rem;
}

.banner_text .swiper_title p {


  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(8px + 1rem);
  color: #FFFFFF;
  text-align: center;
  transform: skewX(30deg);
}

.swiper_con {

  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(10px + 2rem);
  color: #FFFFFF;
}

.banner_text .p1 {
  font-family: OPPOSans-L;
  font-weight: normal;
  font-size: calc(10px + 0.5rem);
  color: #FFFFFF;
  margin-top: calc(4px + 5rem);
}

.to_more {
  width: calc(60px + 5rem);
  height: calc(16px + 2rem);
  background: url(../image/more.png) no-repeat;
  background-size: 100% 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(4px + 1rem);
}
.to_more>p{
  transition: all 0.3s;
    
}
.to_more:hover>p{
    transform: translateX(5px);
}
.to_more p {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(6px + 0.5rem);
  color: #FFFFFF;
}

.banner_swiper>.swiper-pagination>span{
  width: calc(15px + 0.755rem);
  height: 5px;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.7);
}





.swiper1 {
  width: 100%;
  overflow: hidden;
}

.pro_card_box .swiper-slide {
  /*width: 100%;*/
}

.product_box {
  width: 100%;
  padding-top: calc(22px + 5rem);
  padding-bottom: calc(8px + 4rem);

}

.product {
  max-width: 1521px;
  width: 85%;
  margin: auto;

}

.pro_title {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pro_card_box {
  width: 100%;
  display: flex;
  justify-content: space-between;
  margin-top: calc(17px + 2rem);
  /* border: 1px solid #000; */
}
.pro_card_box .swiper2{
  width: 100%;
  overflow: hidden;
}

.pro_card_box a {
  width: 100%;

}

.pro_pic {
  width: 100%;
  /*height: calc(60px + 15rem);*/
  background: #FFFFFF;
  border-radius: 4px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;

}

.pro_pic>img {
    width: 100%;
  /*height: calc(80px + 10rem);*/
  transition: .5s;
}

.pro_card p {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(8px + 0.5rem);
  color: #1E2737;
  text-align: center;
  margin-top: calc(10px + 1rem);
}




.pro_pic:hover>img {
  transform: scale(1.05);
}
.pro_pic>div:nth-of-type(1){
  position: absolute;
  width: calc(40px + 5rem);
  height: calc(40px + 5rem);
  /* border: 1px solid #000; */
  z-index: 100;
  top: -20%;
  right: -20%;
  transition: background-color 1s ease;
  border-radius: 50%;
  overflow: hidden;
}
.pro_pic>div:nth-of-type(1)>p{
  display: block;
  position: absolute;
  width: 10px;
  height: 10px;
  background: #1D5D9F;
  top: 0;
  right: 0;
  /* transform: translate(-50%,-50%); */
  transition: all 0.8s;
  border-radius: 50%;
  margin-top: 0;
}

.pro_card:hover .pro_pic>div:nth-of-type(1)>p{
  width: 200px;
  height: 200px;
}
.pro_pic>div:nth-of-type(1)>img{
  position: absolute;
  bottom: calc(10px + 1.35rem);
  left: calc(10px + 0.75rem);
  z-index: 200;
  width: calc(10px + 1rem);
}

.sy{
  width: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  /* border: 1px solid #000; */
}
.sy>img{
  width: 74%;
}






.about_box {
  width: 100%;
  background-color: #ffffff;
  padding-top: calc(18px + 5rem);
  padding-bottom: calc(97px + 15rem);
  margin-bottom: calc(20px + 10rem);
  background: url(../image/about_bg.png) no-repeat;
  background-size: contain;
}

.about_num_box {
  display: flex;
  justify-content: space-around;
  align-items: center;
  margin-top: calc(6px + 3rem);

}

.about_num {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.about {
  max-width: 1521px;
  width: 85%;
  margin: auto;
  position: relative;

}

.num {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(6px + .5rem);
}

.num img {
  width: calc(9px + 1rem);
}

.num p {
  text-align: center;
  width: max-content;
  font-family: OPPOSans-M;
  font-weight: normal;
  font-size: calc(10px + 1rem);
  color: #1D5D9F;
}

.num p span {
  font-size: calc(12px + 2rem);
}

.num_text {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(8px + 0.5rem);
  color: #1E2737;
  text-align: center;
  margin-top: calc(0px + 0.5rem);
}

.about_intro_box {
  width: 100%;
  padding: calc(10px + 1rem) 0;
  background: #FFFFFF;
  box-shadow: 0px calc(1px + 0.25rem) calc(10px + 1rem) 0px rgba(30, 39, 55, 0.1);
  position: absolute;
  top: 120%;
  display: flex;
  justify-content: center;
  align-items: center;
  justify-content: space-between;
 
  /*gap: calc(10px + 3rem);*/
}



.about_video {
  width: 48.52%;
  margin-left: calc(10px + 0.8rem);
  height: calc(2px + 20rem);
  position: relative;
}



.about_video>.video {
  width: 100%;
  height: 100%;
}

.mask_pic {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  opacity: 1;
  transition: .5s;
}

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

.about_intro {
  width: 41.8422%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: calc(10px + 1rem);
  margin-right: calc(20px + 2.5rem);
}

.about_intro .p1 {
  font-family: OPPOSans-M;
  font-weight: normal;
  font-size: calc(10px + 1rem);
  color: #1E2737;
}

.about_intro .p2 {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(6px + 0.5rem);
  color: #1E2737;
  line-height: calc(2px + 1.5rem);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: calc(9px + 1.5rem);
}








.news_card_box {
  display: flex;
  justify-content: space-between;
  margin-top: calc(10px + 2rem);
}

.news_box {
  width: 100%;
  padding-bottom: calc(19px + 5rem)
}

.news {
  max-width: 1521px;
  width: 85%;
  margin: auto;
}

.news_card {
  width: 31.8211%;
  background-color: #ffffff;
}

.news_pic {
  width: 100%;
  height: calc(2px + 15rem);
  overflow: hidden;
}

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

.news_text {
  padding: calc(4px + 2rem) calc(10px + 1rem);
  position: relative;
}

.news_text .news_title {
  font-family: OPPOSans-M;
  font-weight: normal;
  font-size: calc(10px + 0.5rem);
  color: #333333;
  transition: .5s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news_text .news_intro {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(6px + 0.5rem);
  color: #666666;
  line-height: calc(8px + 1rem);
  margin-top: calc(8px + 0.5rem);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news_time {
  width: calc(30px + 2rem);
  height: calc(36px + 1.5rem);
  background: #1D5D9F;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: calc(0px + 0.1rem);
  padding-right: calc(0px + 0.5rem);
  position: absolute;
  top: calc(-13px - 1rem);
  right: calc(4px + 1rem);
}

.news_time p:nth-of-type(1) {
  font-family: OPPOSans-R;
  font-weight: normal;
  font-size: calc(4px + 0.5rem);
  color: #FFFFFF;
}

.news_time p:nth-of-type(2) {
  font-family: OPPOSans-B;
  font-weight: normal;
  font-size: calc(9px + 0.5rem);
  color: #FFFFFF;

}

.news_card:hover .news_title {
  color: #1D5D9F;
}

.news_card:hover img {
  transform: scale(1.1);
}



/* 屏幕宽度小于800px */
@media (max-width: 800px) {
  .banner_box {
    height: calc(100px + 36rem);
  }

  .banner_text {
    width: 90%;
  }

  .banner_text .p1 {
    width: 60%;
  }

  .banner_box img {
    object-fit: cover;
  }

  .to_more {
    height: calc(25px + 2rem);
    width: calc(60px + 8rem);
  }

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

  .product {
    width: 90%;
  }

  .swiper2 {
    width: 100%;
    overflow: hidden;
  }

  

  .pro_card {
    width: 100%;
  }

  .pro_card_box {
    width: 100%;
  }

  .pro_card_box a {
    width: 100%;
  }

  .pro_pic {
    height: calc(108px + 15rem);
  }

  .pro_card p {
    font-size: calc(10px + 1rem);
  }

  .about {
    width: 90%;
  }

  .about_box {
    margin-bottom: calc(20px + 63rem);
  }

  .about_num {
    width: 47.5%;
  }

  .about_num_box {
    flex-wrap: wrap;
    row-gap: calc(10px + 1rem);
  }

  .about_intro_box {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 1rem);
  }

  .about_video {
    width: 90%;
    height: calc(10px + 35rem);
  }

  .about_intro {
    width: 90%;
  }

  .about_intro .p1 {
    text-align: center;
    font-size: calc(12px + 1rem);
  }

  .about_intro .p2 {
    text-align: center;
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .news {
    width: 90%;
  }

  .news_card_box {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 2rem);
  }

  .news_card {
    width: 100%;

  }

  .news_pic {
    height: calc(20px + 43rem);
  }

  .news_text {
    padding: calc(20px + 2rem) calc(10px + 1rem);
  }

  .num img {
    width: calc(9px + 3rem);
  }

  .num p span {
    font-size: calc(12px + 3rem);
  }

  .num_text {
    font-size: calc(10px + 1rem);
  }

  .news_text .news_title {
    font-size: calc(12px + 1rem);
  }

  .news_text .news_intro {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .news_time {
    width: calc(10px + 12rem);
    height: calc(6px + 9rem);

    top: calc(-3px - 4.5rem);
    padding-right: calc(8px + 0.5rem);
  }

  .news_time p:nth-of-type(1) {
    font-size: calc(9px + 1rem);
  }

  .news_time p:nth-of-type(2) {
    font-size: calc(11px + 1rem);
  }
}