* {
  margin: 0;
  padding: 0;
}

body {
  overflow: hidden;
}

/* 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: #521FEA;
  /* 滑块的背景色 */

}


.home_banner {
  width: 100%;
  height: calc(100px + 40rem);
}

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

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

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

.banner_text {
  max-width: 1640px;
  width: 85%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.banner_text .p1 {
  font-family: Roboto_BoldItalic;
  font-weight: 600;
  font-size: calc(12px + 3rem);
  color: #000000;
  line-height: calc(10px + 4rem);

  text-align: left;
  text-transform: uppercase;
}

.banner_text .p2 {
  font-family: Roboto_Regular;
  font-weight: 400;
  font-size: calc(10px + 0.5rem);
  color: #333333;
  line-height: calc(10px + 4rem);
  letter-spacing: 1px;
  text-align: left;
  margin-top: calc(2px + 0.25rem);
}

.oem_box {
  width: 100%;
  padding: calc(26px + 5rem) 0;
}

.oem {
  max-width: 1640px;
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.oem_left {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.oem_left_pic {
  width: calc(46px + 30rem);
  height: calc(25px + 30rem);
  position: relative;
}

.oem_left_pic img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  z-index: 1;
  background-color: #ffffff;
  transition: .5s;
}

.oem_left_pic img:nth-of-type(1) {
  z-index: 2;
}

.oem_left_nav_box {

  position: relative;
  width: calc(80px + 10rem);
  background: url(../images/circle.png) no-repeat;
  background-size: cover;

  background-position-y: calc(6px + 0.5rem);
  background-position-x: 76%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: calc(20px + 5rem);
}

.oem_nav_item {
  width: max-content;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: calc(5px + 0.25rem);
  cursor: pointer;
  transition: .3s;
}

.oem_nav_item:hover .oem_nav_item_icon {
  background-color: #521FEA;
}

.oem_nav_item:hover .p1 {
  color: #521FEA;
}

.oem_nav_item_icon {
  width: calc(4px + 3rem);
  height: calc(4px + 3rem);
  background: #000000;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
}

.oem_nav_item_icon img {
  width: calc(6px + 1.5rem);
}


.oem_nav_item:nth-of-type(2) {
  position: relative;
  left: calc(30px + 6rem);
  bottom: calc(10px + 1rem);
}

.oem_nav_item:nth-of-type(3) {
  position: relative;
  left: calc(30px + 6rem);
  top: calc(10px + 1rem);
}

.oem_nav_item:nth-of-type(4) {
  position: relative;
  left: calc(-10px - 1rem);
  top: calc(10px + 1rem);
}


.oem_nav_item .p1 {
  font-family: Roboto_Regular;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #000000;

}

.oem_right {
  width: 39.0244%;
  position: relative;
  height: calc(25px + 30rem);
}

.oem_right_con {
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  position: absolute;
  top: 0;
  z-index: 1;
  overflow: hidden;
}

.oem_right_con:nth-of-type(1) {
  z-index: 2;
}

.oem_right_con .p1 {
  font-family: Roboto_Bold;
  font-weight: 500;
  font-size: calc(4px + 3rem);
  color: #000000;
  line-height: calc(20px + 3rem);
  letter-spacing: calc(1px + 0.1rem);
  margin-top: calc(10px + 2rem);
}

.oem_right_con .p2 {
  font-family: Roboto_Bold;
  font-weight: 400;
  font-size: calc(6px + 1.5rem);
  color: #521FEA;
  line-height: calc(10px + 1.5rem);
  margin-top: calc(6px + 2rem);
}

.oem_right_con .p3 {
  font-family: Roboto_Regular;
  font-weight: 300;
  font-size: calc(6px + 0.5rem);
  color: #333333;
  line-height: calc(4px + 1.5rem);
  margin-top: calc(3px + 1rem);
}

.more {
  width: calc(80px + 5rem);
  height: calc(14px + 2rem);
  background: #000000;
  border-radius: calc(80px + 5rem);
  margin-top: calc(10px + 2rem);
  transition: .3s;
}
.more:hover{
  background-color: #521FEA;
}

.more a {
  width: 100%;
  height: 100%;
  font-family: Roboto_Regular;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #FFFFFF;
  line-height: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(5px + 0.5rem);
}

.more a img {
  width: calc(10px + 0.5rem);
}

.about_box {
  width: 100%;
  padding: calc(35px + 5rem) 0;
  background: url(../images/about_bg.jpg) no-repeat;
  background-size: cover;
}

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

.about_list {
  display: flex;
  justify-content: space-between;
  margin-top: calc(59px + 5rem);
}

.about_item {
  width: 20.122%;
  border-top: 1px #999999 solid;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  padding-top: calc(2px + 1.5rem);

}

.about_item .p1 {
  font-family: Roboto_Bold;
  font-weight: 100;
  font-size: calc(10px + 1.5rem);
  color: #521FEA;

}

.about_item .p1 span {
  font-size: calc(10px + 0.5rem);
}

.about_item .p2 {
  width: calc(45px + 5rem);
  font-family: Roboto_Regular;
  font-weight: 300;
  font-size: calc(6px + 0.5rem);
  color: #333333;
  line-height: calc(8px + 1rem);
  position: relative;
  left: calc(9px + 1rem);
}

.product_box {
  width: 100%;
  padding-top: calc(33px + 5rem);
  padding-bottom: calc(60px + 5rem);
}

.product_nav_box {
  width: 100%;
  border-top: 1px #EEEEF0 solid;
  border-bottom: 1px #EEEEF0 solid;
  padding-top: calc(7px + 1.5rem);
}

.product_nav {
  max-width: 1560px;
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;

}

.product_nav_list {
  display: flex;
  justify-content: flex-end;
  gap: calc(40px + 3rem);
}

.product_nav_item {
  width: calc(61px + 5rem);
  font-family: Roboto_Regular;
  font-weight: 400;
  font-size: calc(10px + 0.5rem);
  color: rgba(51, 51, 51, 0.8);
  line-height: calc(10px + 2rem);
  cursor: pointer;
  text-align: center;
  padding-bottom: calc(6px + 2rem);
  transition: .3s;
  border-bottom: calc(1px + 0.1rem) transparent solid;
}

.product_nav_item_act {
  color: #521FEA;
  border-bottom: calc(1px + 0.1rem) #521FEA solid;

}

.product {
  width: 100%;
  overflow: hidden;

}

.product_swiper {
  max-width: 1740px;
  width: 92.5%;
  float: right;
  display: none;
}

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

.pro_swiper {
  width: 100%;
}

.pro_swiper .swiper-slide {
  width: 100%;
}

.pro_swiper .swiper-slide .pro_box {
  width: 100%;
  opacity: 0.6;
  transition: .3s;
}

.pro_swiper .swiper-slide .pro_box .pro_pic {
  width: 100%;
  height: calc(80px + 20rem);
}

.pro_swiper .swiper-slide .pro_box .pro_pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pro_more {
  width: calc(14px + 2rem);
  height: calc(14px + 2rem);
  background: #000000;
  border-radius: 50%;
}

.pro_more a {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.pro_more img {
  width: calc(10px + 0.5rem);
}

.pro_title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 calc(9px + 2rem);
  margin-top: calc(3px + 3rem);
}

.pro_title .p1 {
  font-family: Roboto_Bold;
  font-weight: 500;
  font-size: calc(8px + 2rem);
  color: #000000;
  line-height: 1;
}

.product_btn_box {
  max-width: 1510px;
  width: 85%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(16px + 4rem);
}

.product_btn_box .line {
  width: 92.7152%;
  height: calc(1px + 0.1rem);
  border-bottom: 1px #999999 solid;
}

.line_item {
  width: 33%;
  height: calc(1px + 0.1rem);
  background-color: #000000;
  transition: .3s;
}

.pro_prev,
.pro_next {
  width: calc(10px + 1rem);
  height: calc(10px + 1rem);
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.pro_prev img,
.pro_next img {
  width: calc(10px + 1rem);
}

.news_box {
  width: 100%;
}

.new {
  width: 100%;
  background: linear-gradient(180deg, rgba(242, 242, 244, 0) 0%, #F7F8FC 66.29%);
  display: flex;
  justify-content: flex-start;
  gap: calc(2px + 4rem);
}

.news_pic {
  width: 50%;
  height: calc(40px + 40rem);
  position: relative;
}

.news_pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  z-index: 1;
}

.news_pic img:nth-of-type(1) {
  z-index: 2;
}

.news_right {
  width: 50%;
  padding-top: calc(17px + 2rem);
  position: relative;
}

.news_swiper {
  width: calc(163px + 50rem);
  height: calc(40px + 15rem);
  position: absolute;
  right: 0;
  z-index: 10;
  margin-top: calc(17px + 2rem);
}

.blog_swiper {
  width: 100%;
  height: 100%;
  border-radius: calc(10px + 1rem) 0px 0px 0px;
}

.blog_swiper .swiper-slide {
  width: 100%;
  height: 100%;
  border-radius: calc(10px + 1rem) 0px 0px 0px;
}

.blog_swiper .news_item {
  width: 100%;
  height: 100%;
  background: #FFFFFF;
  border-radius: calc(10px + 1rem) 0px 0px 0px;
  padding: 0 calc(2px + 1.5rem);
  padding-top: calc(3px + 2rem);
  transition: .3s;
}

.blog_swiper .news_item_act {
  background-color: #521FEA;
}

.blog_swiper .news_item_act p {
  color: #ffffff;
}

.blog_swiper .news_item_act div {
  color: #ffffff;
}

.news_item .p1 {
  width: 80%;
  font-family: Roboto_Bold;
  font-weight: 100;
  font-size: calc(4px + 1rem);
  color: #000000;
  line-height: calc(6px + 1.5rem);
  text-align: left;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news_item .p2 {
  width: 82%;
  font-family: Roboto_Regular;
  font-weight: 400;
  font-size: calc(4px + 0.5rem);
  color: #333333;
  line-height: calc(8px + 1rem);
  text-align: left;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: calc(8px + 0.5rem);
}

.news_item .line {
  border: 1px #99999960 solid;
  margin-top: calc(10px + 3rem);
}

.news_time_box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(7px + 0.5rem);
}

.news_time_box .p3 {
  font-family: Roboto_Regular;
  font-weight: 300;
  font-size: calc(6px + 0.5rem);
  color: #333333;
  line-height: calc(10px + 1.5rem);
  text-align: left;
}

.news_time_box .news_more {
  font-family: Roboto_Regular;
  font-weight: 400;
  font-size: calc(6px + 0.5rem);
  color: #000000;
  line-height: calc(10px + 1.5rem);
  text-align: left;
  font-style: normal;
  text-transform: none;
}

.news_time_box .news_more span {
  font-family: '黑体';
  font-weight: 600;
  margin-left: calc(3px + 0.25rem);
}
.blog_swiper_p{
  display: block;
}
.blog_swiper_m{
  display: none;
}

@media screen and (max-width: 1100px){
  .banner_text .p1{
    font-size: calc(16px + 1rem);
  }
  .banner_text .p2{
    font-size: calc(10px + 1rem);
  }
  .banner_text {
    width: 62%;
    left: 7.5%;
    right: auto;
  }
  .oem{
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 1rem);
  }
  .oem_left{
    width: 100%;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 1rem);
    flex-flow: column-reverse;
  }
  .oem_left_pic {
    width: 100%;
    height: calc(25px + 62rem);
    object-fit: cover;
   
}
.oem_left_nav_box{
  width: 100%;
  background: none;

  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
}
.oem_nav_item_icon {
  width: calc(36px + 3rem);
  height: calc(36px + 3rem);
 
}
.oem_nav_item_icon img {
  width: calc(25px + 1.5rem);
}

.oem_nav_item:nth-of-type(2) {
  position: static;
  left: 0;
  bottom: 0;
}
.oem_nav_item:nth-of-type(3) {
  position: static;
  left: 0;
  bottom: 0;
}
.oem_nav_item:nth-of-type(4) {
  position: static;
  left: 0;
  bottom: 0;
}
.oem_nav_item .p1{
  font-size: calc(10px + 1rem);
}
.oem_right{
  width: 100%;
  height: calc(35px + 86rem);
}
.oem_right_con .p1{
  font-size: calc(16px + 1rem);
}
.oem_right_con .p2{
  font-size: calc(12px + 1rem);
}
.oem_right_con .p3{
  font-size: calc(10px + 1rem) ;
  line-height: 1.5;
}
.more {
  width: calc(82px + 12rem);
  height: calc(25px + 2rem);
  margin-top: calc(10px + 3rem) !important;
  
}
.more a{
  font-size: calc(10px + 1rem);
}
.more a img {
  width: calc(17px + 0.5rem);
}
.about_list{
  flex-wrap: wrap;
  row-gap: calc(10px + 1rem);
  margin-top: calc(45px + 1rem);
}
.about_item{
  width: 100%;
}
.about_item .p1 {
  width: 30%;
  font-size: calc(15px + 1rem);
}
.about_item .p2{
  width: auto;
  font-size: calc(10px + 1rem);
  line-height: 1.5;
}
.about_box{
  padding: calc(10px + 5rem) 0;
}
.product_nav{
  flex-direction: column;
  justify-content: flex-start;
  gap: calc(10px + 1rem);
}
.product_nav_list{
  width: 100%;
  gap: calc(20px + 3rem);
}
.product_nav_item{
  font-size: calc(10px + 1rem);
  line-height: 1.5;
}


.pro_swiper .swiper-slide .pro_box .pro_pic {
    height: calc(38px + 20rem);
}
.product_btn_box{
  display: none;
}
.product_box{
  padding: calc(40px + 5rem) 0;
}

.news_pic {
  width: 38%;
  height: calc(2px + 40rem);
  object-fit: cover;
}
.news_swiper{
  position: relative;
  left: -50%;
}
.news_item .p1{
  font-size: calc(12px + 1rem);
  line-height: 1.5;
}
.news_item .p2{
  font-size: calc(10px + 1rem);
  line-height: 1.5;
}
.blog_swiper_p{
  display: none;
}
.blog_swiper_m{
  display: block;
}
.news_swiper {
  height: calc(30px + 39rem);
 
}
.news_time_box .p3{
  font-size: calc(10px + 1rem);
}
.news_time_box .news_more{
  font-size: calc(10px + 1rem);
}
.news_item .p1{
  width: 100%;
}
.news_item .p2{
  width: 100%;
}
}