body {
  overflow: hidden;
  overflow-y: auto;
}
.contactus {
  padding-bottom: 2.75rem;
}
.aboutus_content {
  width: 100%;
  /* padding: 0.75rem 0 2.5rem 0; */
  background: url("../img/aboutus/aboutus_background.png") no-repeat;
  background-size: 100% 100%;
}
.a_content_left {
  display: flex;
  align-items: center;
}
.acl_vedio {
  width: 6.625rem;
  height: 3.625rem;
}

.a_content_right {
  width: 9.25rem;
  /* height: 200px; */
  padding: 0.75rem 0 2.5rem 0;
  box-sizing: content-box;
}
.a_title {
  font-weight: bold;
  font-size: 0.525rem;
  color: #f08519;
  padding-bottom: 0.2875rem;
  text-align: center;
}
.a_title_flag {
  color: #333333;
  position: relative;
}
.a_title_flag::after {
  content: "";
  position: absolute;
  bottom: -0.1rem;
  left: 0;
  display: inline-block;
  height: 0.0375rem;
  width: 1.625rem;
  background: #f08519;
}
.a_title_flag::before {
  content: "";
  position: absolute;
  bottom: -0.0875rem;
  left: 0;
  display: inline-block;
  height: 0.0125rem;
  width: 50vw;
  background: #e0dede;
}
.a_sub {
  font-size: 0.225rem;
  color: #7c7c7c;
  font-weight: normal;
  text-align: center;
}
.a_exhibition > .a_sub {
  margin-bottom: 0.625rem;
}
.acr_text {
  margin-top: 0.3rem;
}
.acr_text p {
  font-size: 0.225rem;
  line-height: 1.5;
  color: #fdfdfd;
  padding-top: 0.2rem;
}
/* 产品介绍 */
.a_product_introduction {
  width: 100%;
  padding: 0.625rem 0 0.75rem 0;
  background: url("../img/aboutus/aboutus_background2.png") no-repeat;
  background-size: 100% 100%;
}
.product_swiper {
  /* width: 100%; */
  /* height: 9.5rem; */
  margin-top: 1.0625rem;
  position: relative;
  overflow: hidden;
}
.product_swiper_item {
  width: 100%;
  height: 100%;
  /* background: skyblue; */
}
/* 轮播分页器 */
.product_pagination {
  position: absolute;
  left: auto !important;
  bottom: auto !important;
  z-index: 200;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  margin: auto;
  transform: translate(0, -50%);
  width: auto !important;
  display: flex;
  justify-content: center;
}

.product_pagination .swiper-pagination-bullet {
  width: 0.25rem;
  height: 0.075rem;
  background: rgb(140, 140, 128);
  opacity: 0.6 !important;
  margin-bottom: 0.25rem !important;
  border-radius: 0 !important;
  display: flex;
  transition: width 0.3s;
}
.product_pagination .swiper-pagination-bullet-active {
  width: 0.75rem;
  opacity: 1 !important;
  background: #ff9900;
}
/*  */
.psi_left {
  width: 8.3375rem;
  padding-bottom: 1.7125rem;
}
.psi_right {
  width: 7.7rem;
  overflow: hidden;
  height: 6.25rem;
}
.psi_right img {
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  transition: all 0.3s;
}
.psi_right img:hover {
  transition: all 0.3s;
  transform: scale(1.1);
}
.p_left_title {
  height: 0.625rem;
  line-height: 0.625rem;
  padding: 0 0.75rem 0 0.25rem;
  /* background: #f08519; */
  background: url(../img/aboutus_title_icon.png) no-repeat;
  background-size: 100% 100%;
  font-size: 0.3rem;
  color: #ffffff;
  display: inline-block;
}
.p_left_content {
  font-weight: 400;
  font-size: 0.225rem;
  color: #333333;
  line-height: 0.45rem;
  text-indent: 2em;
  margin: 0.5rem 0 1rem 0;
}
.p_left_btn {
  width: 1.875rem;
  height: 0.5rem;
  border-radius: 4px;
  border: 1px solid #333333;
  color: #333333;
  text-align: center;
  line-height: 0.5rem;
  font-size: 0.175rem;
}
/* 推广方式 */
.a_extension {
  width: 100%;
  padding-top: 0.6125rem;
}
.a_extension .a_extension_img img {
  border-radius: 0.125rem;
}
.ae_box3 .a_extension_img{
  visibility: hidden;
  display: block;
}
.ae_box1,
.ae_box2,
.ae_box4 {
  padding: 0.625rem 0;
  margin-top: 1.25rem;
}
.ae_box4 {
  background: #f9f9f9;
}
.ae_box3 {
  position: relative;
  height: 9.975rem;
  display: flex;
}
.a_extension_detail {
  width: 5.625rem;
}
.aed_title {
  font-weight: bold;
  font-size: 0.325rem;
  color: #333333;
}
.aed_title::before {
  content: "";
  display: inline-block;
  width: 0.2rem;
  height: 0.2rem;
  background: #333333;
  transform: rotate(45deg);
  margin-right: 0.1rem;
}
.aed_content {
  font-size: 0.225rem;
  color: #333333;
  line-height: 0.375rem;
  padding: 0.325rem 0 0.6rem 0;
}
.aed_btn {
  font-size: 0.25rem;
  color: #333333;
  padding-bottom: 0.025rem;
  border-bottom: 2px solid #f08519;
}
.a_extension_img {
  width: 9.5rem;
  height: 6.25rem;
  background: #ecefec;
  border-radius: 10px;
  position: relative;
}
.aei_right::after {
  content: "";
  height: 7.5rem;
  display: block;
  position: absolute;
  width: 40vw;
  top: -0.625rem;
  left: 5.375rem;
  border-radius: 10px 0px 0px 10px;
  background: #f08519;
  z-index: -1;
}
.aei_left::after {
  content: "";
  height: 7.5rem;
  display: block;
  position: absolute;
  width: 40vw;
  top: -0.625rem;
  right: 5.375rem;
  border-radius: 0px 10px 10px 0px;
  background: #f08519;
  z-index: 1;
}
.a_extension_img > img {
  position: relative;
  z-index: 2;
}
.swiper-pointer-events {
  position: relative;
  z-index: 2;
}
.a_extension_map {
  width: 11.175rem;
  height: 9.975rem;
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.a_extension_map > img {
  max-width: 100%;
  max-height: 100%;
}
.extension_swiper {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  overflow: hidden;
}
.extension_pagination {
  position: absolute;
  left: auto !important;
  bottom: auto !important;
  z-index: 200;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  margin: auto;
  transform: translate(0, -50%);
  width: auto !important;
  display: flex;
  justify-content: center;
}

.extension_pagination .swiper-pagination-bullet {
  width: 0.25rem;
  height: 0.075rem;
  background: rgb(140, 140, 128);
  opacity: 0.6 !important;
  margin-bottom: 0.25rem !important;
  border-radius: 0 !important;
  display: flex;
  transition: width 0.3s;
}
.extension_pagination .swiper-pagination-bullet-active {
  width: 0.5rem;
  opacity: 1 !important;
  background: #ff9900;
}

.extension_swiper_btn {
  display: flex;
  margin-top: 1.125rem;
}
.es_btn_next,
.es_btn_prev {
  width: 0.6rem !important;
  height: 0.6rem !important;
  background: #f08519 !important;
  box-shadow: 0px 0px 10px 2px rgba(0, 0, 0, 0.2);
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;
}
.es_btn_prev img {
  transform: scale(0.5);
}
.es_btn_next {
}
.es_btn_prev {
  margin-right: 0.375rem;
}
.es_btn_next img {
  transform: scale(0.5) rotate(180deg);
}

.es_btn_disabled {
  background: #b8b8b8 !important;
}
/* 展会花絮 */
.a_exhibition {
  padding: 0.5rem 0 0.75rem 0;
}
.a_exhibition_wrap {
  width: 100%;
  column-count: 3;
  column-gap: 0.325rem;
}
.a_exhibition_wrap figure {
  /* background: springgreen; */
  margin-bottom: 0.325rem;
  overflow: hidden;
}
.a_exhibition_wrap figure img {
  height: 100%;
  transition: all 0.3s;
  object-fit: cover;
}
.a_exhibition_wrap figure:hover img {
  transform: scale(1.1);
}
/* .a_exhibition_wrap figure:nth-child(1) {
  height: 3.625rem !important;
}
.a_exhibition_wrap figure:nth-child(2) {
  height: 2.875rem !important;
}
.a_exhibition_wrap figure:nth-child(3) {
  height: 3.875rem !important;
}
.a_exhibition_wrap figure:nth-child(4) {
  height: 2.875rem !important;
}
.a_exhibition_wrap figure:nth-child(5) {
  height: 3.875rem !important;
}
.a_exhibition_wrap figure:nth-child(6) {
  height: 3.625rem !important;
}
.a_exhibition_wrap figure:nth-child(7) {
  height: 5.375rem !important;
}
.a_exhibition_wrap figure:nth-child(8) {
  height: 5.3375rem !important;
} */
.a_exhibition_wrap figure{
  height: auto !important; 
}
.more_btn {
  width: 2rem;
  height: 0.5rem;
  border-radius: 30px;
  border: 2px solid #333333;
  font-size: 0.225rem;
  color: #333333;
  line-height: 0.5rem;
  text-align: center;
  font-weight: bold;
}
.a_mobile {
  display: none;
}
.a_pc {
  display: block;
}
/* 手机 */
@media screen and (max-width: 768px) {
  .a_pc {
    display: none;
  }
  .a_mobile {
    display: block;
    padding: 10px 10px 20px 20px;
  }
  .ae_box3 {
    display: block;
  }
  .aboutus {
    overflow-x: hidden;
  }
  .aboutus_content {
    background-size: auto 100%;
    background-position: center;
  }
  .aboutus_content .w1340 {
    display: block;
  }
  .acl_vedio {
    width: 100%;
    height: 200px;
    margin-top: 1.5rem;
  }
  .a_content_right {
    width: 100%;
  }
  .a_title {
    font-size: 26px;
    padding-top: 30px;
  }
  .a_title_flag::before {
    width: 100px;
  }
  .a_sub {
    font-size: 12px;
  }
  .a_product_introduction {
    background-size: auto;
    background-position: center;
  }
  .product_swiper_item {
    display: block;
  }
  .psi_left,
  .psi_right {
    width: 100%;
  }
  .p_left_title {
    font-size: 16px;
    line-height: 20px;
    height: 20px;
    padding: 8px 40px 8px 10px;
  }
  /* 正文 */
  .p_left_content,
  .acr_text p,
  .aed_content,
  .aed_btn {
    font-size: 12px;
    line-height: 16px;
  }
  .p_left_btn {
    font-size: 12px;
  }
  /* 标题 */
  .aed_title {
    font-size: 16px;
  }
  .p_left_btn {
    width: 100px;
    height: 30px;
    line-height: 30px;
  }
  .psi_right {
    height: 200px;
  }
  .a_extension .flex_sb {
    flex-direction: column;
  }
  .a_extension_img {
    /* width: 80%; */
    width: 304px;
    height: 200px;
  }
  .aei_left::after,
  .aei_right::after {
    width: 600px;
    height: 240px;
    top: -20px;
  }
  .aei_left::after {
    z-index: -1;
  }
  .a_extension_detail {
    width: 100%;
    margin-top: 20px;
  }
  .ae_box1 {
    margin-top: 0;
  }
  .ae_box3 .a_extension_detail {
    /* margin-top: 100px; */
  }
  .aed_title::before {
    width: 10px;
    height: 10px;
  }
  .es_btn_next,
  .es_btn_prev {
    width: 30px !important;
    height: 30px !important;
  }
  .ae_box2 .flex_sb {
    flex-direction: column-reverse;
  }
  .a_extension_map {
    width: 100%;
    height: auto;
    /* z-index: -1; */
    position: static;
  }
  .ae_box3 {
    height: auto;
  }
  .more_btn {
    width: 100px;
    height: 30px;
    line-height: 30px;
    font-size: 12px;
    margin-top: 20px;
  }
  .psi_right img {
    object-fit: contain;
  }
  .product_pagination {
    /* bottom: -20px !important; */
  }
  .product_pagination .swiper-pagination-bullet-active {
    width: 30px !important;
  }
  .product_pagination .swiper-pagination-bullet {
    height: 4px;
  }
  .product_pagination .swiper-pagination-bullet {
    height: 5px;
    width: 20px;
  }
  .a_extension .a_extension_img img {
    height: 100%;
  }
  .extension_pagination .swiper-pagination-bullet-active {
    width: 30px !important;
  }
  .extension_pagination .swiper-pagination-bullet {
    height: 4px;
  }
  .extension_pagination .swiper-pagination-bullet {
    width: 20px;
    height: 5px;
  }
  .a_exhibition_wrap {
    column-count: 2;
  }
  .a_exhibition .a_exhibition_wrap figure {
    height: auto !important;
  }
  .product_swiper {
    padding-bottom: 30px;
  }
  .a_extension .a_extension_img img {
    border-radius: 10px;
  }
  .ae_box4 .aei_left::after {
    z-index: 0;
  }
  .ae_box3 .a_extension_img{
    visibility:visible;
    display: none;
  }
}