* {
  margin: 0;
  padding: 0;
}

/* 自定义整个滚动条 */
::-webkit-scrollbar {
  width: 2px;
  /* 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: #333333;
  /* 滑块的背景色 */
  /
}


.banner_swiper {
  width: 100%;
  height: calc(145px + 32rem);
  position: relative;
  display: none;
  
}
.banner_swiper1{
    display: block;
}

.banner_swiper .mySwiper {
  width: 100%;
  height: 100%;

}

.banner_swiper .mySwiper .swiper-slide {
  width: 100%;
  height: 100%;

}

.banner_swiper .mySwiper .swiper-slide .banner_pic {
  width: 100%;
  height: 100%;
  position: relative;

}

.banner_swiper .mySwiper .swiper-slide .banner_pic .ban_pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner_swiper .mySwiper .swiper-slide .banner_pic .ban_text {
  width: calc(126px + 50rem);
  height: max-content;
  font-family: Source_Han_Bold;
  font-weight: 700;
  font-size: calc(20px + 2rem);
  color: #FFFFFF;
  line-height: calc(20px + 4rem);
  letter-spacing: 6px;
  text-shadow: calc(0px + 0.1rem) calc(2px + 0.1rem) calc(5px + 0.25rem) #233144;
  text-align: center;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  text-transform: uppercase;
}

.home_position_box {
  width: 100%;
}

.home_position_box .home_position {
  max-width: 1338px;
  width: 85%;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: calc(10px + 5rem);
  position: absolute;
  bottom: calc(-50px - 5rem);
  left: 0;
  right: 0;
  margin: auto;
  z-index: 10;
}

.home_position_box .home_position .home_position_left {
  display: flex;
  justify-content: flex-start;
  gap: calc(15px + 6rem);
  padding-bottom: calc(10px + 1rem);
}

.home_position_box .home_position .home_position_left .home_position_item {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: calc(8px + 0.5rem);
}

.home_position_box .home_position .home_position_left .home_position_item .home_position_item_icon {
  width: calc(6px + 1.5rem);
}

.home_position_box .home_position .home_position_left .home_position_item .home_position_item_icon img {
  width: 100%;
}

.home_position_box .home_position .home_position_left .home_position_item .home_position_item_text p:nth-of-type(1) {
  font-family: Source_Han_Bold;
  font-weight: 700;
  font-size: calc(8px + 0.5rem);
  color: #054191;
  width: max-content;
}

.home_position_box .home_position .home_position_left .home_position_item .home_position_item_text p:nth-of-type(2) {
  margin-top: calc(3px + 0.25rem);
  font-family: Source_Han_normal;
  font-weight: 350;
  font-size: calc(6px 0.5rem);
  color: #222222;
}

.home_position_box .home_position .home_position_right {
  display: flex;
  justify-content: flex-end;
}

.home_position_box .home_position .home_position_right .home_position_right_div1 {
  width: calc(43px + 10rem);
  height: calc(26px + 10rem);
  background: #054191;
  border-radius: calc(2px + 0.1rem) 0px 0px calc(2px + 0.1rem);
  font-family: Source_Han_normal;
  font-weight: 350;
  font-size: calc(6px + 0.5rem);
  color: #FFFFFF;
  line-height: calc(10px + 1.5rem);
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 calc(8px + 1rem);
}

.home_position_box .home_position .home_position_right .home_position_right_div2 {
  width: calc(43px + 10rem);
  height: calc(26px + 10rem);
  background: #007DBD;
  border-radius: 0 calc(2px + 0.1rem) calc(2px + 0.1rem) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: calc(2px + 0.5rem);
}

.home_position_box .home_position .home_position_right .home_position_right_div2 p:nth-of-type(1) {
  font-family: Source_Han_Heavy;
  font-weight: 900;
  font-size: calc(4px + 1rem);
  color: #FFFFFF;
  letter-spacing: calc(0px + 0.1rem);
  text-align: center;
}

.home_position_box .home_position .home_position_right .home_position_right_div2 p:nth-of-type(1) span {
  font-size: calc(8px + 2rem);
}

.home_position_box .home_position .home_position_right .home_position_right_div2 p:nth-of-type(2) {
  font-family: Source_Han_normal;
  font-weight: 350;
  font-size: calc(6px + 0.5rem);
  color: #FFFFFF;
  text-align: center;
}

.about_box {
  width: 100%;
  padding-bottom: calc(38px + 5rem);
}

.about_box .about {
  max-width: 1600px;
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(53px + 3rem);
}

.about_box .about .about_pic {
  width: 43.125%;
  height: calc(50px + 28rem);
}

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

.about_box .about .about_right_text {
  width: 51.625%;
}

.about_box .about .about_right_text .about_right_title {
  font-family: Source_Han_Bold;
  font-weight: 700;
  font-size: calc(8px + 1rem);
  color: #222222;
  line-height: calc(10px + 2rem);
  letter-spacing: 1px;
  margin-top: calc(6px + 1rem);
}

.about_box .about .about_right_text .about_right_intro {
  font-family: Source_Han_normal;
  font-weight: 350;
  font-size: calc(8px + 0.5rem);
  color: #444444;
  line-height: calc(2px + 2rem);
  margin-top: calc(5px + 0.5rem);
}

.product_list_box{
  width: 100%;
  padding-bottom: calc(30px + 5rem);
}

.product_list{
  max-width: 1600px;
  width: 85%;
  margin: auto;
}

.product_pic_box{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: calc(2px + 1rem);
  margin-top: calc(17px + 2rem);
}
.product_pic{
  width: 23.8571%;
  height: calc(34px + 15rem);
  overflow: hidden;
}

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

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


.blog_box {
  width: 100%;
  background: url(../images/blog_bg.jpg)  no-repeat;
  background-size: cover;
  background-position: right;
  padding: calc(10px + 2rem ) 0;
  position: relative;
}
.blog_box::before{
  content: '';
        width: 100%;
        height: 100%;
        background: rgba(0 0 0 / 35%);
        position: absolute;
        top: 0;
        left: 0;
}

.blog {
  max-width: 1640px;
  width: 85%;
  margin: auto;
}

.blog_list_box {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(8px + 0rem);
}

.blog_list_left {
  width: 50.6098%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: calc(10px + 1rem);
  margin-top: calc(5px + 0.5rem);
   background: linear-gradient(90deg, #FFFFFF 0, #FFFFFF 0, #FFFFFF 0, rgba(255, 255, 255, 0) 100%);
  padding: calc(10px + 1rem);
}

.blog_list_left_item {
  cursor: pointer;
  transition: .3s;
  background-color: #ffffff90;
  display: flex;
  justify-content: flex-start;
}

.blog_time{
    width: 36%;
    background: #333333;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: calc(3px + 0.25rem);
}

.blog_time .m{
    font-size: calc(12px + 0.5rem);
    color: #ffffff;
}
.blog_time .line1{
    width: 80%;
    height: 1px;
    background: #ffffff50;
}
.blog_time .y{
    font-size: calc(18px + 0.5rem);
    color: #ffffff;
}
.blog_list_left_item a{
   padding: calc(1px + 0.5rem) calc(10px + 0.5rem);  
}
.blog_list_left_item .p1 {
  font-family: DM_Sans-regular;
  font-weight: 400;
  font-size: calc(8px + 0.5rem);
  color: #333333;
  line-height: calc(2px + 1.5rem);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;

}

.blog_list_left_item .p2 {
  font-family: DM_Sans-regular;
  font-weight: 300;
  font-size: calc(4px + 0.5rem);
  color: #333333;
  line-height: calc(1px + 1rem);
  margin-top: 1px;
display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2; 
  overflow: hidden; 
}

.blog_list_left_item .p3 {
  font-family: DM_Sans-regular;
  font-weight: 400;
  font-size: calc(4px + 0.5rem);
  color: #333333;
  line-height: calc(8px + 0.5rem);
  margin-top: calc(3px + 0.5rem);
  transition: .3s;
}

.blog_list_right {
  width: 45.5366%;
}

.blog_list_right p{
  font-size: calc(8px + 0.5rem);
  color: #ffffff;
  line-height: calc(2px + 1.5rem);
}

.blog_list_right_pic {
  width: 100%;
  height: calc(36px + 30rem);
  display: none;
}

.blog_list_right_pic:nth-of-type(1) {
  display: block;
}

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

.why_box {
  width: 100%;
  padding-top: calc(7px + 5rem);
  padding-bottom: calc(7px + 5rem);
  background: url(../images/str_bg.jpg) no-repeat;
  background-size: cover;
}

.why_box .why {
  max-width: 1640px;
  width: 85%;
  margin: auto;
}

.why_list {
  width: 100%;
  display: flex;
  justify-content: space-between;
 
}

.why_list_item {
  width: 20%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.why_list_item img {
  height: calc(5px + 2rem);
}

.why_list_item .p1 {
  font-family: DM_Sans-medium;
  font-weight: 600;
  font-size: calc(4px + 1rem);
  color: #333333;
  line-height: calc(1px + 1.5rem);
  text-align: center;
  margin-top: calc(10px + 1rem);
}

.why_list_item .p2 {
  font-family: DM_Sans-regular;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #666666;
  line-height: calc(1px + 1rem);
  text-align: center;
  margin-top: calc(2px + 0.5rem);
}


@media (max-width: 1100px) {
    .why_list_item img{
        height: calc(22px + 2rem);
    }
    .blog_list_left_item {
   
    padding: calc(8px + 0.5rem) calc(10px + 0.5rem);
}
  .banner_swiper .mySwiper .swiper-slide .banner_pic .ban_text {
    font-size: calc(12px + 1rem);
    letter-spacing: 0;
    line-height: 1.5;
  }

  .banner_swiper {
    height: calc(80px + 36rem);
    display: none;
  }
  .banner_swiper2{
      display: block;
  }

  .home_position_box .home_position {
    position: static;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: calc(10px + 1rem);
    padding: calc(10px + 2rem) 0;
  }

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

.home_position_box .home_position .home_position_right .home_position_right_div2 p:nth-of-type(2) {
    font-size: calc(10px + 1rem);
}
  .home_position_box .home_position .home_position_left .home_position_item .home_position_item_icon {
    width: calc(6px + 5.5rem);
  }

  .home_position_item_text {
    width: 90%;
  }

  .home_position_box .home_position .home_position_left .home_position_item .home_position_item_text p:nth-of-type(1) {
    font-size: calc(12px + 1rem);
  }

  .home_position_box .home_position .home_position_left .home_position_item .home_position_item_text p:nth-of-type(2) {
    font-size: calc(10px + 1rem);
  }

  .home_position_box .home_position .home_position_right .home_position_right_div1 {
    width: 50%;
    height: calc(26px + 28rem);
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .home_position_box .home_position .home_position_right .home_position_right_div2 {
    width: 50%;
    height: calc(26px + 28rem);
  }

  .home_position_box .home_position .home_position_right .home_position_right_div2 p:nth-of-type(1) span {
    font-size: calc(18px + 1rem);

  }

  .about_box .about {
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 3rem);
  }

  .about_box .about .about_pic {
    width: 100%;
    height: calc(50px + 45rem);
  }

  .about_box .about .about_right_text {
    width: 100%;
  }

  .about_box .about .about_right_text .about_right_title {
    font-size: calc(12px + 1rem);
    line-height: 1.5;
  }

  .about_box .about .about_right_text .about_right_intro {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .product_box .product .product_box_title {
    font-size: calc(12px + 1rem);
  }

  .product_box .product .product_box_sub_title {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .product_box .product .product_nav .product_nav_item_box .product_nav_item {
    height: calc(62px + 3rem);
  }

  .product_box .product .product_nav .product_nav_item_box .product_nav_item .product_nav_item_mask p {
    display: none;
  }

  .product_box .product .product_nav .product_nav_item_box .product_nav_name {
    overflow: hidden;
    white-space: nowrap;

  }

  .product_box .product .product_main_box .product_main {
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 1rem);
  }

  .product_box .product .product_main_box .product_main .product_main_pic {
    width: 100%;
    height: calc(185px + 30rem);
  }

  .product_box .product .product_main_box .product_main .product_main_right {
    width: 100%;
  }

  .product_box .product .product_main_box .product_main .product_main_right p:nth-of-type(1) {
    font-size: calc(14px + 1rem);
  }

  .product_box .product .product_main_box .product_main .product_main_right p:nth-of-type(2) {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .we_box .we .we_title {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: calc(10px + 1rem);
  }

  .we_box .we .we_title .we_title_left .we_title_left_title {
    font-size: calc(12px + 1rem);
  }

  .we_box .we .we_title .we_title_right {
    width: 100%;
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

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

  .we_box .we .we_list .we_list_item {
    width: 100%;
    height: max-content;
   padding: calc(10px + 1rem) ;
  }

  .we_box .we .we_list .we_list_item .we_item_icon {
    width: calc(8px + 7rem);
  }

  .we_box .we .we_list .we_list_item .p1 {
    font-size: calc(12px + 1rem);
    line-height: 1.5;
  }

  .we_box .we .we_list .we_list_item .p2 {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

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

  .news_box .news .news_list {
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 3rem);
  }

  .news_box .news .news_list .news_list_item {
    width: 100%;
  }

  .news_box .news .news_list .news_list_item .news_item_pic {
    width: 100%;
    height: calc(70px + 30rem);

  }

  .news_box .news .news_list .news_list_item .news_item_title {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .news_box .news .news_list .news_list_item .news_item_time {
    font-size: calc(9px + 1rem);
  }

  .contact_box .contact .contact_title {
    font-size: calc(12px + 1rem);
  }

  .contact_box .contact .contact_intro {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }
  .blog_list_left_item a{
      width: 80%;
  }
}