body {
  background-color: #ffffff;
  margin: 0;
  padding: 0;
}
.content {
  display: flex;
  flex-direction: column;
  width: 100%;
  position: relative;
}
a {
  text-decoration: none;
  color: inherit;
  outline: none;
}

@charset "utf-8";
/* CSS Document */
/* 模板之家（yingzicms.com）做专业的网站建设专家 */

/**common**/
body,
div,
dl,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
input,
textarea,
blockquote,
p {
  padding: 0;
  margin: 0;
  font: 14px Arial, \5FAE\8F6F\96C5\9ED1, Helvetica, sans-serif;
}
table,
td,
tr,
th {
  font-size: 14px;
}
ol,
ul {
  list-style: none;
}
li {
  list-style-type: none;
}
img {
  vertical-align: top;
  border: 0;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: inherit;
  font-weight: normal;
}
address,
cite,
code,
em,
th,
i {
  font-weight: normal;
  font-style: normal;
}
.clear {
  *zoom: 1;
}
.clear:after {
  display: block;
  overflow: hidden;
  clear: both;
  height: 0;
  visibility: hidden;
  content: '.';
}
a {
  text-decoration: none;
}
a:visited {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
a:active {
  text-decoration: none;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
input[type='button'],
input[type='submit'],
input[type='file'],
button {
  cursor: pointer;
  -webkit-appearance: none;
}
input[type='text'] {
  -webkit-appearance: none;
}
textarea {
  -webkit-appearance: none;
}
@font-face {
  font-family: Helvetica33; /**定义font的名字**/
  src: url(../font/Helvetica33.OTF); /**引入字体文件**/
}
.rsContainer {
  position: relative;
  width: 100%;
  height: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.rsSlide {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: absolute;
  left: 0;
  top: 0;
}
.fullWidth {
  width: 100%;
  height: auto;
  overflow: hidden;
  margin: 0 auto;
  /* background: pink; */
}
#full-width-slider {
  width: 100%;
  height: auto;
  color: #000;
  margin-top: 80px;
}
.royalSlider {
  position: relative;
  direction: ltr;
}
.royalSlider > * {
  float: left;
}
.royalSlider.rsFullscreen {
  position: fixed !important;
  height: auto !important;
  width: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  z-index: 2147483647 !important;
  top: 0 !important;
  left: 0 !important;
  bottom: 0 !important;
  right: 0 !important;
}
.royalSlider .rsSlide.rsFakePreloader {
  opacity: 1 !important;
  -webkit-transition: 0s;
  -moz-transition: 0s;
  -o-transition: 0s;
  transition: 0s;
  display: none;
}
.royalSlider.rsAutoHeight,
.rsAutoHeight .rsSlide {
  height: auto;
}
.rsContent {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.image-container {
  position: relative; /* 使得可以在其上放置绝对定位的元素 */
  width: 100%; /* 容器宽度 */
  height: 100%; /* 容器高度 */
}

.rsImg {
  width: 100%; /* 图片宽度 */
  height: 100%; /* 图片高度 */
  object-fit: contain;
  display: block; /* 去掉底部空隙 */
}
.overlay-text {
  display: flex;
  /* flex-direction: column; */
  justify-content: flex-start;
  position: absolute; /* 绝对定位 */
  top: 37%; /* 垂直居中 */
  left: 30%; /* 水平居中 */
  transform: translate(-50%, -50%); /* 使其居中 */
  color: #fff; /* 文字颜色 */
  font-size: 38px; /* 字体大小 */
  text-align: center; /* 文字居中对齐 */
  /* background-color: rgba(0, 0, 0, 0.5);  */
  padding: 10px; /* 内边距 */
  border-radius: 5px; /* 圆角 */
}
.overlay-title {
  position: absolute; /* 绝对定位 */
}
.overlay-dec {
  display: flex;
  flex-direction: column;
  align-content: flex-start;
  position: absolute;
  top: 210%;
  left: 22%; /* 水平居中 */
  transform: translate(-50%, -50%); /* 使其居中 */
  color: #fff; /* 文字颜色 */
  font-size: 20px; /* 字体大小 */
  text-align: center; /* 文字居中对齐 */
  /* background-color: rgba(0, 0, 0, 0.5);  */
  padding: 10px; /* 内边距 */
  border-radius: 5px; /* 圆角 */
}
.overlay-dec span {
  margin: 5px 0; /* 上下间距为5px，左右间距为0 */
}

.rsMinW,
.rsMinW .rsOverflow,
.rsMinW .rsSlide,
.rsMinW .rsVideoFrameHolder,
.rsMinW .rsThumbs {
  color: #fff;
}
/*回到顶部*/
.orter-func {
  margin: 0;
  padding: 0;
  position: fixed;
  right: 3px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  width: 60px;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.orter-func-item {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  width: 100%;
  height: 60px;
  background: #56abe2;
  border-radius: 4px;
  margin-bottom: 5px;
  color: #fff;
}
.item-img-box {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
}

.orter-func-item > span {
  flex: 1;
  display: none;
  font-size: 16px;
}

/* 右侧固定回顶部 */
.orter-func-item:hover {
  background: #0b5999;
}

.orter-func:hover {
  width: 200px;
}

.orter-func:hover span {
  display: block;
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
  position: relative;

  margin: 0 auto;
  margin-top: 50px;
  display: block;
  max-width: 97%;
  max-height: auto;
  padding: 20px;
}

.close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

/* 清晰图更换模糊图 */
.replace-container {
  position: relative;
}

.blurred-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
}

.sharp-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0; /* 初始隐藏高分辨率图像 */
  transition: opacity 0.3s ease; /* 添加过渡效果 */
}

/* 雷达波页面 */
.ldb-cont-box {
  width: 100%;
}
.producrt-system-decbox {
  width: 100%;
  background-color: rgba(170, 184, 210, 0.3);
  background-repeat: repeat;
  background-position: 50% 50%;
  background-attachment: scroll;
  background-size: auto;
  opacity: 1;
  transition: all, 0.3s;
}
.ldb-products-box {
  width: 100%;
  margin-top: 80px;
  padding-top: 80px;
  padding-bottom: 50px;
  overflow: hidden;
}
.ldb-system-overview {
  display: flex;
  justify-content: flex-start;
}
.ldb-system-text {
  width: 40%;
}
.ldb-system-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  font-size: 34px;
  color: rgb(68, 68, 68);
  font-weight: bold;
}

.system-descrt > p {
  padding-top: 20px;
  font-size: 18px;
  color: rgb(68, 68, 68);
  overflow-wrap: break-word;
  line-height: 1.6;
}
.ldb-system-img-box {
  flex: 1;
  height: 350px;
  margin-left: 40px;
}
.ldb-system-img-boxwidth {
  width: 400px;
  height: 450px;
  margin-left: 40px;
}
.ldb-system-img-boxwidth img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.ldb-system-img-box img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
.ldb-system-imgone-box {
  width: 330px;
  height: 330px;
  padding-left: 40px;
}
.ldb-system-imgone-box img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.ldb-system-img-flex {
  display: flex;
}
.ldb-system-img-item {
  width: 49%;
  margin-right: 5px;
}

.ldb-system-img-item img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}
/* ldb特点 */

.ldb-system-features {
  width: 100%;
  padding-top: 40px;
  /* background-image: url('/assets/images/showProdBg.jpg'); */
  background-image: url('/assets/images/showBg.jpg');
  background-repeat: repeat;
  background-position: 50% 50%;
  background-attachment: scroll;
  background-size: auto;
  opacity: 1;
  transition: all, 0.3s;
}
.ldb-features-text {
  font-size: 36px;
  font-weight: bold;
  color: rgb(68, 68, 68);

  text-align: center;
}
.ldb-features-descrpt {
  display: flex;
  padding-top: 40px;
  padding-bottom: 100px;
}
.system-descrt-fearure {
  padding-top: 10px;
}
.system-descrt-fearure > p {
  padding-bottom: 10px;
  font-size: 18px;
  color: rgb(68, 68, 68);
  overflow-wrap: break-word;
  line-height: 1.6;
}

/* ldb优点 */

.ldb-system-advantages {
  width: 100%;
  padding-top: 40px;
  /* background-image: url('/assets/images/showBg.jpg'); */
  background-image: url('/assets/images/showProdBg.jpg');
  background-repeat: repeat;
  background-position: 50% 50%;
  background-attachment: scroll;
  background-size: auto;
  opacity: 1;
  transition: all, 0.3s;
}
.ldb-advantages-descrpt {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-top: 40px;
  padding-bottom: 40px;
}
.ldb-adv-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 17%;
  height: 260px;
  padding: 20px;
  margin-right: 15px;
  margin-bottom: 20px;
  border-right: 0 solid #dcdcdc;
  border-top: 1px solid #dcdcdc;
  border-bottom: 0 solid #dcdcdc;
  border-left: 0 solid #dcdcdc;
  border-radius: 8px;
  background-color: rgb(255, 255, 255);
  box-shadow: -2px 10px 10px rgba(0, 0, 0, 0.1);
}
.ldb-adv-thrcard {
  height: 200px;
  margin-right: 100px;
}
.rtu-adv-card {
  height: 200px;
}
.ldb-adv-card > span {
  text-align: center;
  font-size: 20px;
  color: #000;
  font-weight: bold;
  padding-bottom: 10px;
}
.ldb-adv-card > p {
  font-size: 14px;
  line-height: 1.75;
  color: #555555;
}

/* ldb系统参数 */
.ldb-system-specificat {
  background-repeat: repeat;
  background-position: 50% 50%;
  background-attachment: scroll;
  background-size: auto;
  opacity: 1;
  transition: all, 0.3s;
  width: 100%;

  padding-top: 40px;
}
.ldb-specificat-text {
  font-size: 36px;
  color: rgb(68, 68, 68);
  font-weight: bold;
  text-align: center;
}
.ldb-specificat-table {
  padding-top: 40px;
  padding-bottom: 40px;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
  font-size: 16px;
  text-align: left;
}
th,
td {
  padding: 12px 5px;

  border: 1px solid #333;
}
th {
  background-color: #9d9fa1;
  color: white;
}
tr:nth-child(even) {
  background-color: #f2f2f2;
}
.ldb-image-container {
  display: flex;
  justify-content: space-between;
}
.image-container-wid {
  width: 48%;
  /* height: 260px; */
}
.image-container-onewid {
  width: 100%;
}
.image-container-onewid > img {
  width: 100%;
  /* height: 100%; */
  object-fit: cover;
}
.image-container-wid > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* scf */
.scf-system-application {
  width: 100%;
  padding-top: 40px;
  background-color: #fff;
}
.scf-application-img {
  padding: 40px 0px;
}
.scf-application-text {
  font-size: 16px;
  line-height: 1.75;
  color: #555555;
}
.scf-application-imgbox {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 40px;
}
.app-img-card {
  position: relative;
  width: 23%;
  height: 300px;
  margin-top: 20px;
  margin-right: 10px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: -2.070552px 7.727407px 8px rgba(0, 0, 0, 0.1);
}

.app-img-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.app-img-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.app-img-card:hover img {
  transform: scale(1.3);
}
.app-img-card:hover .app-img-overlay {
  opacity: 1;
}

.text {
  color: white;
  font-size: 14px;
  text-align: center;
}

/* 开封水电站应用案例 */
.kf-product-case-cont {
  width: 100%;
}
.kf-product-img {
  position: relative;
  width: 100%;
  height: 530px;
  /* background-image: url('/assets/images/bannerBg.png'); */
  background-image: url('/assets/images/kaifeng/11.png');
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: scroll;
  background-size: cover;
  overflow: hidden;
  margin-top: 80px;
}
.neijiang-product-img {
  position: relative;
  width: 100%;
  height: 530px;
  background-image: url('/assets/images/neijiang/neijiang11.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: scroll;
  background-size: cover;
  overflow: hidden;
  margin-top: 80px;
}
.pingwu-product-img {
  position: relative;
  width: 100%;
  height: 530px;
  background-image: url('/assets/images/pingwu/pingwu11small.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: scroll;
  background-size: cover;
  overflow: hidden;
  margin-top: 80px;
}
.piankou-product-img {
  position: relative;
  width: 100%;
  height: 530px;
  background-image: url('/assets/images/piankou/piankou55.png');
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: scroll;
  background-size: cover;
  overflow: hidden;
  margin-top: 80px;
}

.kf-overlay-text {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  position: absolute;
  top: 25%;
  left: 10%;
  transform: translate(-50%, 0%);
  color: #3299f5;
  font-size: 40px;
  font-weight: bold;
  /* opacity: 1; */
}

.kf-overlay-text > span {
  /* padding-top:10px; */
}
.kf-content {
  padding: 60px 0px;
}
.kf-content-descript {
  display: flex;
  flex-direction: column;
  padding-top: 15px;
}
.kf-content-descript > span {
  font-size: 24px;
  line-height: 1.75;
  color: #222222;
  font-weight: bold;
}

.kf-content-descript > p {
  line-height: 1.75;
  text-align: justify;
  word-wrap: break-word;
  color: #555555;
  font-size: 16px;
}
.case-show-img {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
}
.case-show-img-box {
  width: 49%;
  height: auto;
}
.case-show-img-box > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kf-content-datas {
  margin-top: 20px;
  /* margin-bottom: 20px; */
  display: flex;
  justify-content: space-between;
}
.datas-imgs {
  width: 48%;
  height: 500px;
  border-radius: 6px;
}
.datas-imgs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 企业简介 */

.company-profile-cont {
  width: 100%;
}
.company-profile-top {
  position: relative;
  margin-top: 80px;
  width: 100%;
  height: 300px;
  background-image: url('/assets/images/aboutUsSmall.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: scroll;
  background-size: cover;
  opacity: 1;
  transition: all, 0.3s;
  overflow: hidden;
}
.profile-top-title {
  position: absolute;
  left: 23%;
  top: 45%;
  transform: translate(-50%, -50%);
  font-size: 36px;
  color: #fff;
}
.company-about {
  padding-top: 80px;
}
.company-about span {
  font-size: 30px;
  color: #dddddd;
}
.company-about-box {
  position: relative;
  padding: 30px 0px 30px 0px;
}
.company-about-title {
  line-height: 2;
  font-size: 28px;
  color: #000;
  padding: 20px 0;
}
.company-img-cont {
  width: 100%;
  display: flex; /* 使用 Flexbox 布局 */
  overflow: hidden; /* 隐藏超出部分 */
}

.company-img-box {
  width: 30%;
  height: 500px;
  margin-right: 40px;
}

.company-img-box > img {
  width: 100%; /* 图片宽度自适应 */
  height: 100%; /* 图片高度自适应 */
  object-fit: cover; /* 保持图片比例，裁剪多余部分 */
}

.company-descrpit {
  flex: 1;
  overflow: hidden;
  height: 550px;
}

.company-descrpit > span {
  display: block;
  font-size: 18px;
  line-height: 1.7;
  color: #000;
  margin-bottom: 10px;
  word-spacing: 5px;
  letter-spacing: 1px;
}

/* 企业文化 */
.company-culture-title {
  font-size: 36px;
  color: #2563af;
  font-weight: bold;
}
.company-culture--descrpit {
  padding: 30px 0 0 20px;
}
.culture-img-cont {
  display: flex;
  align-items: center;
  margin-bottom: 70px;
}
.conpany-img-box {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  padding: 14px;
  background: #2759a8;
}
.conpany-img-box > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.culture-slogin {
  display: flex;
  flex-direction: column;
  padding-left: 18px;
}
.culture-slogin-tit {
  font-size: 26px;
  font-weight: bold;
  color: #1a2187;
  padding-bottom: 8px;
}
.culture-slogin-jiazhi {
  display: flex;
  flex-direction: column;
  padding-left: 15px;
}
.jiazhi-title > p {
  font-size: 18px;
  color: #231a17;
  letter-spacing: 1;
  word-spacing: 2;
}

/* ai视觉系统-识别模式 */
.AIsys-modle {
  margin-top: 30px;
}
.AIsys-modle > p {
  display: flex;
  flex-direction: column;
  align-content: flex-start;
  font-size: 16px;
  line-height: 1.5;
}
.AIsys-modle-imgBox {
  display: flex;
  justify-content: space-between;
  padding-top: 40px;
  padding-bottom: 40px;
}
.AIsys-modle-img {
  width: 40%;
  height: 400px;
}
.AIsys-modle-img > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ai系统 项目案例 */
.AIsys-case-box {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
h2 {
  color: #007bff;
  margin-bottom: 20px;
}

.AIsys-case {
  display: flex;
  justify-content: space-between;
  width: 45%;
  height: 200px;
  background: #ecedee;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  overflow: hidden;
}

.AIsys-case-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 20px;
  width: 40%;
  flex: 1;
}

.AIsys-case-content span {
  margin: 10px;
  font-size: 20px;
  color: #000;
  font-weight: bold;
  margin-left: 0;
}

.AIsys-case-content p {
  margin: 0;
  font-size: 16px;
  color: #585858;
}

.view-image :hover {
  cursor: pointer;
}

.AIsys-case-image {
  width: 300px;
  height: 100%;
}

.AIsys-case-image img {
  width: 100%;
  height: 100%;
  display: block;
}

@media screen and (min-width: 1200px) {
  /**nav**/
  #header {
    position: fixed;
    width: 100%;
    min-width: 1200px;
    background: #609ee9;
    display: flex;
    justify-content: center;
    z-index: 100;
  }

  .header_cont {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1200px;
    height: 80px;
    margin: 0 20px;
    color: #fff;
  }

  .header_img {
    width: 66px;
    height: 66px;
  }
  .header_img img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
  }
  .ly_nav {
    flex: 1;
    height: 80px;
    padding-left: 30px;
  }
  .nav {
    width: 100%;
    height: 100%;
  }
  .nav_ul {
    display: flex;
    align-items: center;
    justify-content: space-around;
  }
  .nav_item {
    width: 20%;
  }
  .nav_item > a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 80px;
    font-size: 20px;
    color: #fff;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    border-bottom: 2px solid rgba(255, 255, 255, 0);
  }

  .product-center {
    position: relative;
  }

  .nav_item > a:hover,
  .nav_item > a.navon {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;

    width: 100%;
    font-weight: bold;
    border-bottom: 2px solid rgba(6, 139, 247, 0.5);
    background: rgba(6, 139, 247, 0.5);
  }
  .menu_open {
    display: none;
  }
  .nav_item_open {
    width: 210px;
    height: auto;
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 10;
    box-shadow: 0 4px 8px 0 rgba(0, 12, 49, 0.1);
    background: #fff;
    border-radius: 0 0 2px 2px;
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(34px);
    transform: translateY(34px);
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
    overflow: hidden;
  }
  .nav_item:hover .nav_item_open {
    visibility: visible;
    opacity: 1;
    -webkit-transform: translateY(0px);
    transform: translateY(0px);
  }
  .subopen {
    display: none;
  }
  .nav_item2 {
    width: 100%;
    line-height: 55px;
    padding: 10px 0;
  }
  .nav_item2 a {
    display: block;
    padding: 0 10px;
    color: #666;
    font-size: 16px;
    white-space: nowrap;
    text-align: center;
  }
  .nav_item2:hover a {
    background: #008ed8;
    color: #fff;
    font-size: 20px;
    font-weight: 500;
  }

  /**product**/
  .products-list {
    width: 1200px;
    margin: 0 auto;
    margin-top: 50px;
    margin-bottom: 100px;
  }
  .products-list-title {
    display: flex;
    justify-content: center;
    color: #3299f5;
    font-size: 36px;
    font-weight: bold;
  }
  .card-change-box {
    margin-top: 40px;
    border: 1px solid #ebebeb;
  }
  .icon-container {
    display: flex;
    justify-content: center;
  }
  .icon {
    box-sizing: content-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 22.5%;
    padding: 15px 15px;
    cursor: pointer;
    background-color: #fff;
    border: 1px solid #ebebeb;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    position: relative;
  }
  .icon > span {
    padding-top: 6px;
    text-align: center;
    color: #181e2c;
  }
  .product-icon-box {
    width: 100%;
    height: 120px;
    border: 1px solid #ebebeb;
    position: relative;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }
  .product-icon-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .icon.active,
  .icon:hover {
    background-color: rgba(3, 83, 251, 0.1);
  }
  .icon::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: #3878ff;
    transform: scaleX(0);
    transition: transform 0.3s;
  }

  .icon:hover::after {
    transform: scaleX(1);
  }
  .icon.active::after {
    transform: scaleX(1);
  }
  .icon.active > span,
  .icon:hover > span {
    color: #3878ff;
  }

  .product-content {
    display: none; /* 初始隐藏 */
    background-color: #fff;
    border-radius: 5px;
    /* box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);   */
  }
  .product-content.active {
    display: block; /* 显示当前内容 */
  }

  /* 产品描述内容展示 */
  .product-decrpit-show {
    padding: 70px 30px;
    height: 340px;
    padding-top: 80px;
    overflow: hidden;
  }
  .product-cont-box {
    display: flex;
    flex-direction: row;
    /* justify-content: space-between; */
    align-items: flex-start;
  }
  .left-img {
    width: 60%;
    height: 400px;
  }
  .left-img > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .right-dec {
    width: 39%;
    padding-left: 30px;
    overflow: hidden;
  }
  .right-dec > span {
    color: #3299f5;
    font-size: 24px;
    font-weight: bold;
  }
  .product-advantage {
    padding-top: 20px;
  }
  .product-advantage > p {
    color: #231f20;
    font-size: 18px;
    padding-bottom: 15px;
  }

  /* 产品应用展示 */
  .product-application-dispaly {
    width: 100%;
    margin-top: -60px;
    background-image: url('../images/showBg.jpg');
    background-repeat: repeat;
    background-position: 50% 50%;
    background-attachment: scroll;
    background-size: auto;
    opacity: 1;
    transition: all, 0.3s;
  }
  .product-diplay-cont {
    width: 1200px;
    margin: 0 auto;
  }
  .product-diplay-title {
    padding-top: 40px;
    text-align: center;
    font-size: 36px;
  }
  .solution-header {
    display: flex;
    justify-content: space-around;
    margin-bottom: 40px;
    margin-top: 40px;
  }
  .solution {
    display: flex;
    align-items: center;
    flex-direction: column;
    padding: 20px;
    background-color: rgb(238, 238, 238);
    /* height: 124px; */
    width: 25%;
    transition: transform 0.3s;
  }

  .solution:hover {
    background-color: rgba(3, 83, 251, 0.1);
  }
  .solution:hover > span {
    color: #3878ff;
  }

  .solution span {
    margin-top: 10px;
    font-size: 16px;
    color: #222329;
  }
  .solution.dipaly-active {
    background: rgba(3, 83, 251, 0.3);
  }
  .solution.dipaly-active > span {
    color: #3878ff;
    /* font-weight: bold; */
  }
  .solu-img-box {
    width: 84px;
    height: 92px;
    /* border-radius: 6px; */
  }
  .solu-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .image-gird-box {
    width: 100%;
    padding-bottom: 20px;
  }

  .image-grid {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .image-card {
    width: 32%;
    height: 395px;
  }
  .image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .dipaly-content {
    display: none; /* 初始隐藏 */
    background-color: #fff;
  }
  .dipaly-content.active {
    display: block; /* 显示当前内容 */
  }

  /**foot**/

  #footer {
    width: 100%;
    background-color: #c4e5f8;
  }
  .ly_foot {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 50px 20px;
    width: 1200px;
    margin: 0 auto;
  }
  .foot-left > p > span {
    color: #787b80;
    font-size: 14px;
  }
  .foot-img-box {
    width: 140px;
    height: 120px;
  }
  .foot-img-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .foot-right {
    margin-left: 10px;
  }
  .foot-right-grid {
    display: flex;
    align-items: flex-start;
  }
  .foot-right-section {
    width: 20%;
    padding: 10px;
  }
  .foot-right-section > span {
    font-size: 20px;
    color: #000;
    font-weight: bold;
  }
  .foot-right-section > ul {
    padding-top: 15px;
    padding: 0;
    list-style-type: none;
  }
  .foot-right-section > ul li {
    font-weight: 400;
    margin: 15px 0;
  }
  .foot-right-section > ul > li a {
    text-decoration: none;
    font-size: 16px;
    color: #171f25;
    transition: color 0.3s;
  }
  .foot-right-section > ul > li a:hover {
    color: #3099dd;
  }

  .foot-right-contact button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  .contact button:hover {
    background-color: #0056b3;
  }

  /* footer 备案号 */
  .footer-record {
    width: 100%;
    background: #fff;
  }
  .record-cont {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 20px;
    padding: 15px;
  }
  .record-cont > p {
    color: #989898;
    font-size: 12px;
  }
}

@media screen and (max-width: 1200px) and (min-width: 992px) {
  /**nav**/
  #header {
    position: fixed;
    width: 100%;
    min-width: 960px;
    background: #609ee9;
    display: flex;
    justify-content: center;
    z-index: 100;
  }

  .header_cont {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 960px;
    height: 80px;
    margin: 0 20px;
    color: #fff;
  }

  .header_img {
    width: 66px;
    height: 66px;
  }
  .header_img img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
  }
  .ly_nav {
    flex: 1;
    height: 80px;
    padding-left: 30px;
  }
  .nav {
    width: 100%;
    height: 100%;
  }
  .nav_ul {
    display: flex;
    align-items: center;
    justify-content: space-around;
  }
  .nav_item {
    width: 20%;
  }
  .nav_item > a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 80px;
    font-size: 20px;
    color: #fff;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    border-bottom: 2px solid rgba(255, 255, 255, 0);
  }
  .product-center {
    position: relative;
  }
  .nav_item > a:hover,
  .nav_item > a.navon {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    /* line-height: 80px; */
    width: 100%;
    font-weight: bold;
    border-bottom: 2px solid rgba(6, 139, 247, 0.5);
    background: rgba(6, 139, 247, 0.5);
  }
  .menu_open {
    display: none;
  }
  .nav_item_open {
    width: 210px;
    height: auto;
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 10;
    box-shadow: 0 4px 8px 0 rgba(0, 12, 49, 0.1);
    background: #fff;
    border-radius: 0 0 2px 2px;
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(34px);
    transform: translateY(34px);
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
    overflow: hidden;
  }
  .nav_item:hover .nav_item_open {
    visibility: visible;
    opacity: 1;
    -webkit-transform: translateY(0px);
    transform: translateY(0px);
  }
  .subopen {
    display: none;
  }
  .nav_item2 {
    width: 100%;
    line-height: 55px;
    padding: 10px 0;
  }
  .nav_item2 a {
    display: block;
    padding: 0 10px;
    color: #666;
    font-size: 16px;
    white-space: nowrap;
    text-align: center;
  }
  .nav_item2:hover a {
    background: #008ed8;
    color: #fff;
    font-size: 20px;
    font-weight: 500;
  }

  /**product**/
  .products-list {
    width: 960px;
    margin: 0 auto;
    margin-top: 50px;
    margin-bottom: 100px;
  }
  .products-list-title {
    display: flex;
    justify-content: center;
    color: #3299f5;
    font-size: 36px;
    font-weight: bold;
  }
  .card-change-box {
    margin-top: 40px;
    border: 1px solid #ebebeb;
  }
  .icon-container {
    display: flex;
    justify-content: center;
  }
  .icon {
    box-sizing: content-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 22.5%;
    padding: 15px 15px;
    cursor: pointer;
    background-color: #fff;
    border: 1px solid #ebebeb;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    position: relative;
  }
  .icon > span {
    padding-top: 6px;
    text-align: center;
    color: #181e2c;
  }
  .product-icon-box {
    width: 100%;
    height: 120px;
    border: 1px solid #ebebeb;
    position: relative;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }
  .product-icon-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .icon.active,
  .icon:hover {
    background-color: rgba(3, 83, 251, 0.1);
  }
  .icon::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: #3878ff;
    transform: scaleX(0);
    transition: transform 0.3s;
  }

  .icon:hover::after {
    transform: scaleX(1);
  }
  .icon.active::after {
    transform: scaleX(1);
  }
  .icon.active > span,
  .icon:hover > span {
    color: #3878ff;
  }

  .product-content {
    display: none; /* 初始隐藏 */
    background-color: #fff;
    border-radius: 5px;
    /* box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);   */
  }
  .product-content.active {
    display: block; /* 显示当前内容 */
  }

  /* 产品描述内容展示 */
  .product-decrpit-show {
    padding: 70px 30px;
    height: 340px;
    padding-top: 80px;
    overflow: hidden;
  }
  .product-cont-box {
    display: flex;
    flex-direction: row;
    /* justify-content: space-between; */
    align-items: flex-start;
  }
  .left-img {
    width: 58%;
    height: 340px;
  }
  .left-img > img {
    width: 100%;
    height: 100%;
  }
  .right-dec {
    width: 40%;
    padding-left: 30px;
    overflow: hidden;
  }
  .right-dec > span {
    color: #3299f5;
    font-size: 24px;
    font-weight: bold;
  }
  .product-advantage {
    padding-top: 20px;
  }
  .product-advantage > p {
    color: #231f20;
    font-size: 18px;
    padding-bottom: 15px;
  }

  /* 产品应用展示 */
  .product-application-dispaly {
    width: 100%;
    margin-top: -60px;
    background-image: url('/assets/images/showBg.jpg');
    background-repeat: repeat;
    background-position: 50% 50%;
    background-attachment: scroll;
    background-size: auto;
    opacity: 1;
    transition: all, 0.3s;
  }
  .product-diplay-cont {
    width: 960px;
    margin: 0 auto;
  }
  .product-diplay-title {
    padding-top: 40px;
    text-align: center;
    font-size: 36px;
  }
  .solution-header {
    display: flex;
    justify-content: space-around;
    margin-bottom: 40px;
    margin-top: 40px;
  }
  .solution {
    display: flex;
    align-items: center;
    flex-direction: column;
    padding: 20px;
    background-color: rgb(238, 238, 238);
    /* height: 124px; */
    width: 25%;
    transition: transform 0.3s;
  }

  .solution:hover {
    background-color: rgba(3, 83, 251, 0.1);
  }
  .solution:hover > span {
    color: #3878ff;
  }

  .solution span {
    margin-top: 10px;
    font-size: 16px;
    color: #222329;
  }
  .solution.dipaly-active {
    background: rgba(3, 83, 251, 0.6);
  }
  .solution.dipaly-active > span {
    color: #fff;
    font-weight: bold;
  }
  .solu-img-box {
    width: 84px;
    height: 92px;
    border: 1px solid #fff;
  }
  .solu-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .image-gird-box {
    width: 100%;
    padding-bottom: 20px;
  }

  .image-grid {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .image-card {
    width: 32%;
    height: 395px;
  }
  .image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .dipaly-content {
    display: none; /* 初始隐藏 */
    background-color: #fff;
  }
  .dipaly-content.active {
    display: block; /* 显示当前内容 */
  }

  /**foot**/

  #footer {
    width: 100%;
    background-color: #c4e5f8;
  }
  .ly_foot {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 50px 20px;
    width: 960px;
    margin: 0 auto;
  }
  .foot-left > p > span {
    color: #787b80;
    font-size: 14px;
  }
  .foot-img-box {
    width: 140px;
    height: 120px;
  }
  .foot-img-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .foot-right {
    margin-left: 10px;
  }
  .foot-right-grid {
    display: flex;
    align-items: flex-start;
  }
  .foot-right-section {
    width: 20%;
    padding: 10px;
  }
  .foot-right-section > span {
    font-size: 20px;
    color: #000;
    font-weight: bold;
  }
  .foot-right-section > ul {
    padding-top: 15px;
    padding: 0;
    list-style-type: none;
  }
  .foot-right-section > ul li {
    font-weight: 400;
    margin: 15px 0;
  }
  .foot-right-section > ul > li a {
    text-decoration: none;
    font-size: 16px;
    color: #171f25;
    transition: color 0.3s;
  }
  .foot-right-section > ul > li a:hover {
    color: #3099dd;
  }

  .foot-right-contact button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  .contact button:hover {
    background-color: #0056b3;
  }

  /* footer 备案号 */
  .footer-record {
    width: 100%;
    background: #fff;
  }
  .record-cont {
    width: 960px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 20px;
    padding: 15px;
  }
  .record-cont > p {
    color: #989898;
    font-size: 12px;
  }
}
@media screen and (min-width: 768px) and (max-width: 992px) {
  /**nav**/
  #header {
    position: fixed;
    width: 100%;
    min-width: 720px;
    background: #609ee9;
    display: flex;
    justify-content: center;
    z-index: 100;
  }

  .header_cont {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 720px;
    height: 80px;
    margin: 0 20px;
    color: #fff;
  }

  .header_img {
    width: 66px;
    height: 66px;
  }
  .header_img img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
  }
  .ly_nav {
    flex: 1;
    height: 80px;
    padding-left: 30px;
  }
  .nav {
    width: 100%;
    height: 100%;
  }
  .nav_ul {
    display: flex;
    align-items: center;
    justify-content: space-around;
  }
  .nav_item {
    width: 20%;
  }
  .nav_item > a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 80px;
    font-size: 20px;
    color: #fff;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    border-bottom: 2px solid rgba(255, 255, 255, 0);
  }
  .product-center {
    position: relative;
  }
  .nav_item > a:hover,
  .nav_item > a.navon {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    /* line-height: 80px; */
    width: 100%;
    font-weight: bold;
    border-bottom: 2px solid rgba(6, 139, 247, 0.5);
    background: rgba(6, 139, 247, 0.5);
  }
  .menu_open {
    display: none;
  }
  .nav_item_open {
    width: 210px;
    height: auto;
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 10;
    box-shadow: 0 4px 8px 0 rgba(0, 12, 49, 0.1);
    background: #fff;
    border-radius: 0 0 2px 2px;
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(34px);
    transform: translateY(34px);
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
    overflow: hidden;
  }
  .nav_item:hover .nav_item_open {
    visibility: visible;
    opacity: 1;
    -webkit-transform: translateY(0px);
    transform: translateY(0px);
  }
  .subopen {
    display: none;
  }
  .nav_item2 {
    width: 100%;
    line-height: 55px;
    padding: 10px 0;
  }
  .nav_item2 a {
    display: block;
    padding: 0 10px;
    color: #666;
    font-size: 16px;
    white-space: nowrap;
    text-align: center;
  }
  .nav_item2:hover a {
    background: #008ed8;
    color: #fff;
    font-size: 20px;
    font-weight: 500;
  }

  /**product**/
  .products-list {
    width: 720px;
    margin: 0 auto;
    margin-top: 50px;
    margin-bottom: 100px;
  }
  .products-list-title {
    display: flex;
    justify-content: center;
    color: #3299f5;
    font-size: 36px;
    font-weight: bold;
  }
  .card-change-box {
    margin-top: 40px;
    border: 1px solid #ebebeb;
  }
  .icon-container {
    display: flex;
    justify-content: center;
  }
  .icon {
    box-sizing: content-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 22.5%;
    padding: 15px 15px;
    cursor: pointer;
    background-color: #fff;
    border: 1px solid #ebebeb;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    position: relative;
  }
  .icon > span {
    padding-top: 6px;
    text-align: center;
    color: #181e2c;
  }
  .product-icon-box {
    width: 100%;
    height: 120px;
    border: 1px solid #ebebeb;
    position: relative;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }
  .product-icon-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .icon.active,
  .icon:hover {
    background-color: rgba(3, 83, 251, 0.1);
  }
  .icon::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: #3878ff;
    transform: scaleX(0);
    transition: transform 0.3s;
  }

  .icon:hover::after {
    transform: scaleX(1);
  }
  .icon.active::after {
    transform: scaleX(1);
  }
  .icon.active > span,
  .icon:hover > span {
    color: #3878ff;
  }

  .product-content {
    display: none; /* 初始隐藏 */
    background-color: #fff;
    border-radius: 5px;
    /* box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);   */
  }
  .product-content.active {
    display: block; /* 显示当前内容 */
  }

  /* 产品描述内容展示 */
  .product-decrpit-show {
    padding: 70px 30px;
    height: 340px;
    padding-top: 80px;
    overflow: hidden;
  }
  .product-cont-box {
    display: flex;
    flex-direction: row;
    /* justify-content: space-between; */
    align-items: flex-start;
  }
  .left-img {
    width: 58%;
    height: 340px;
  }
  .left-img > img {
    width: 100%;
    height: 100%;
  }
  .right-dec {
    width: 40%;
    padding-left: 30px;
    overflow: hidden;
  }
  .right-dec > span {
    color: #3299f5;
    font-size: 24px;
    font-weight: bold;
  }
  .product-advantage {
    padding-top: 20px;
  }
  .product-advantage > p {
    color: #231f20;
    font-size: 18px;
    padding-bottom: 15px;
  }

  /* 产品应用展示 */
  .product-application-dispaly {
    width: 100%;
    margin-top: -60px;
    background-image: url('../images/showBg.jpg');
    background-repeat: repeat;
    background-position: 50% 50%;
    background-attachment: scroll;
    background-size: auto;
    opacity: 1;
    transition: all, 0.3s;
  }
  .product-diplay-cont {
    width: 720px;
    margin: 0 auto;
  }
  .product-diplay-title {
    padding-top: 40px;
    text-align: center;
    font-size: 36px;
  }
  .solution-header {
    display: flex;
    justify-content: space-around;
    margin-bottom: 40px;
    margin-top: 40px;
  }
  .solution {
    display: flex;
    align-items: center;
    flex-direction: column;
    padding: 20px;
    background-color: rgb(238, 238, 238);
    /* height: 124px; */
    width: 25%;
    transition: transform 0.3s;
  }

  .solution:hover {
    background-color: rgba(3, 83, 251, 0.1);
  }
  .solution:hover > span {
    color: #3878ff;
  }

  .solution span {
    margin-top: 10px;
    font-size: 16px;
    color: #222329;
  }
  .solution.dipaly-active {
    background: rgba(3, 83, 251, 0.6);
  }
  .solution.dipaly-active > span {
    color: #fff;
    font-weight: bold;
  }
  .solu-img-box {
    width: 84px;
    height: 92px;
    border: 1px solid #fff;
  }
  .solu-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .image-gird-box {
    width: 100%;
    padding-bottom: 20px;
  }

  .image-grid {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .image-card {
    width: 32%;
    height: 395px;
  }
  .image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .dipaly-content {
    display: none; /* 初始隐藏 */
    background-color: #fff;
  }
  .dipaly-content.active {
    display: block; /* 显示当前内容 */
  }

  /**foot**/

  #footer {
    width: 100%;
    background-color: #c4e5f8;
  }
  .ly_foot {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 50px 20px;
    width: 720px;
    margin: 0 auto;
  }
  .foot-left > p > span {
    color: #787b80;
    font-size: 14px;
  }
  .foot-img-box {
    width: 140px;
    height: 120px;
  }
  .foot-img-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .foot-right {
    margin-left: 10px;
  }
  .foot-right-grid {
    display: flex;
    align-items: flex-start;
  }
  .foot-right-section {
    width: 20%;
    padding: 10px;
  }
  .foot-right-section > span {
    font-size: 20px;
    color: #000;
    font-weight: bold;
  }
  .foot-right-section > ul {
    padding-top: 15px;
    padding: 0;
    list-style-type: none;
  }
  .foot-right-section > ul li {
    font-weight: 400;
    margin: 15px 0;
  }
  .foot-right-section > ul > li a {
    text-decoration: none;
    font-size: 16px;
    color: #171f25;
    transition: color 0.3s;
  }
  .foot-right-section > ul > li a:hover {
    color: #3099dd;
  }

  .foot-right-contact button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  .contact button:hover {
    background-color: #0056b3;
  }

  /* footer 备案号 */
  .footer-record {
    width: 100%;
    background: #fff;
  }
  .record-cont {
    width: 720px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 20px;
    padding: 15px;
  }
  .record-cont > p {
    color: #989898;
    font-size: 12px;
  }
}
@media screen and (max-width: 767px) {
  /**nav**/
  #header {
    position: fixed;
    width: 100%;
    background: #609ee9;
    display: flex;
    justify-content: center;
    z-index: 100;
  }

  .header_cont {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 600px;
    height: 80px;
    margin: 0 20px;
    color: #fff;
  }

  .header_img {
    width: 66px;
    height: 66px;
  }
  .header_img img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
  }
  .ly_nav {
    flex: 1;
    height: 80px;
    padding-left: 30px;
  }
  .nav {
    width: 100%;
    height: 100%;
  }
  .nav_ul {
    display: flex;
    align-items: center;
    justify-content: space-around;
  }
  .nav_item {
    width: 20%;
  }
  .nav_item > a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 80px;
    font-size: 20px;
    color: #fff;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    border-bottom: 2px solid rgba(255, 255, 255, 0);
  }
  .product-center {
    position: relative;
  }
  .nav_item > a:hover,
  .nav_item > a.navon {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    /* line-height: 80px; */
    width: 100%;
    font-weight: bold;
    border-bottom: 2px solid rgba(6, 139, 247, 0.5);
    background: rgba(6, 139, 247, 0.5);
  }
  .menu_open {
    display: none;
  }
  .nav_item_open {
    width: 210px;
    height: auto;
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 10;
    box-shadow: 0 4px 8px 0 rgba(0, 12, 49, 0.1);
    background: #fff;
    border-radius: 0 0 2px 2px;
    display: none;
    visibility: hidden;
    -webkit-transform: translateY(34px);
    transform: translateY(34px);
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
    overflow: hidden;
  }
  .nav_item:hover .nav_item_open {
    visibility: visible;
    display: block;
    -webkit-transform: translateY(0px);
    transform: translateY(0px);
  }

  .nav_item:hover .nav_item_open .nav_item2:first-child a {
    background: #008ed8;
    color: #fff;
    font-size: 20px;
    font-weight: 500;
  }
  .subopen {
    display: none;
  }
  .nav_item2 {
    width: 100%;
    line-height: 55px;
    padding: 10px 0;
  }
  .nav_item2 a {
    display: block;
    padding: 0 10px;
    color: #666;
    font-size: 16px;
    white-space: nowrap;
    text-align: center;
  }
  .nav_item2:hover a {
    background: #008ed8;
    color: #fff;
    font-size: 20px;
    font-weight: 500;
  }
  .selected {
    background: #008ed8;
    color: #fff;
    font-size: 20px;
    font-weight: 500;
  }

  /**product**/
  .products-list {
    max-width: 600px;
    margin: 0 auto;
    margin-top: 50px;
    margin-bottom: 100px;
  }
  .products-list-title {
    display: flex;
    justify-content: center;
    color: #3299f5;
    font-size: 36px;
    font-weight: bold;
  }
  .card-change-box {
    margin-top: 40px;
    border: 1px solid #ebebeb;
  }
  .icon-container {
    display: flex;
    justify-content: center;
  }
  .icon {
    box-sizing: content-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 22.5%;
    padding: 15px 15px;
    cursor: pointer;
    background-color: #fff;
    border: 1px solid #ebebeb;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    position: relative;
  }
  .icon > span {
    padding-top: 6px;
    text-align: center;
    color: #181e2c;
  }
  .product-icon-box {
    width: 100%;
    height: 120px;
    border: 1px solid #ebebeb;
    position: relative;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }
  .product-icon-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .icon.active,
  .icon:hover {
    background-color: rgba(3, 83, 251, 0.1);
  }
  .icon::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: #3878ff;
    transform: scaleX(0);
    transition: transform 0.3s;
  }

  .icon:hover::after {
    transform: scaleX(1);
  }
  .icon.active::after {
    transform: scaleX(1);
  }
  .icon.active > span,
  .icon:hover > span {
    color: #3878ff;
  }

  .product-content {
    display: none; /* 初始隐藏 */
    background-color: #fff;
    border-radius: 5px;
    /* box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);   */
  }
  .product-content.active {
    display: block; /* 显示当前内容 */
  }

  /* 产品描述内容展示 */
  .product-decrpit-show {
    padding: 70px 30px;
    height: 340px;
    padding-top: 80px;
    overflow: hidden;
  }
  .product-cont-box {
    display: flex;
    flex-direction: row;
    /* justify-content: space-between; */
    align-items: flex-start;
  }
  .left-img {
    width: 58%;
    height: 340px;
  }
  .left-img > img {
    width: 100%;
    height: 100%;
  }
  .right-dec {
    width: 40%;
    padding-left: 30px;
    overflow: hidden;
  }
  .right-dec > span {
    color: #3299f5;
    font-size: 24px;
    font-weight: bold;
  }
  .product-advantage {
    padding-top: 20px;
  }
  .product-advantage > p {
    color: #231f20;
    font-size: 18px;
    padding-bottom: 15px;
  }

  /* 产品应用展示 */
  .product-application-dispaly {
    width: 100%;
    margin-top: -60px;
    background-image: url('../images/showBg.jpg');
    background-repeat: repeat;
    background-position: 50% 50%;
    background-attachment: scroll;
    background-size: auto;
    opacity: 1;
    transition: all, 0.3s;
  }
  .product-diplay-cont {
    max-width: 600px;
    margin: 0 auto;
  }
  .product-diplay-title {
    padding-top: 40px;
    text-align: center;
    font-size: 36px;
  }
  .solution-header {
    display: flex;
    justify-content: space-around;
    margin-bottom: 40px;
    margin-top: 40px;
  }
  .solution {
    display: flex;
    align-items: center;
    flex-direction: column;
    padding: 20px;
    background-color: rgb(238, 238, 238);
    /* height: 124px; */
    width: 25%;
    transition: transform 0.3s;
  }

  .solution:hover {
    background-color: rgba(3, 83, 251, 0.1);
  }
  .solution:hover > span {
    color: #3878ff;
  }

  .solution span {
    margin-top: 10px;
    font-size: 16px;
    color: #222329;
  }
  .solution.dipaly-active {
    background: rgba(3, 83, 251, 0.6);
  }
  .solution.dipaly-active > span {
    color: #fff;
    font-weight: bold;
  }
  .solu-img-box {
    width: 84px;
    height: 92px;
    border: 1px solid #fff;
  }
  .solu-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .image-gird-box {
    width: 100%;
    padding-bottom: 20px;
  }

  .image-grid {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .image-card {
    width: 32%;
    height: 395px;
  }
  .image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .dipaly-content {
    display: none; /* 初始隐藏 */
    background-color: #fff;
  }
  .dipaly-content.active {
    display: block; /* 显示当前内容 */
  }

  /**foot**/

  #footer {
    width: 100%;
    background-color: #c4e5f8;
  }
  .ly_foot {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 50px 20px;
    max-width: 600px;
    margin: 0 auto;
  }
  .foot-left > p > span {
    color: #787b80;
    font-size: 14px;
  }
  .foot-img-box {
    width: 140px;
    height: 120px;
  }
  .foot-img-box > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .foot-right {
    margin-left: 10px;
  }
  .foot-right-grid {
    display: flex;
    align-items: flex-start;
  }
  .foot-right-section {
    width: 20%;
    padding: 10px;
  }
  .foot-right-section > span {
    font-size: 20px;
    color: #000;
    font-weight: bold;
  }
  .foot-right-section > ul {
    padding-top: 15px;
    padding: 0;
    list-style-type: none;
  }
  .foot-right-section > ul li {
    font-weight: 400;
    margin: 15px 0;
  }
  .foot-right-section > ul > li a {
    text-decoration: none;
    font-size: 16px;
    color: #171f25;
    transition: color 0.3s;
  }
  .foot-right-section > ul > li a:hover {
    color: #3099dd;
  }

  .foot-right-contact button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  .contact button:hover {
    background-color: #0056b3;
  }

  /* footer 备案号 */
  .footer-record {
    width: 100%;
    background: #fff;
  }
  .record-cont {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 20px;
    padding: 15px;
  }
  .record-cont > p {
    color: #989898;
    font-size: 12px;
  }
}