* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Helvetica, "Pingfang Sc", "Microsoft Yahei", sans-serif;
}
html{
  font-size: 14px;
}
a{text-decoration:none}
.line_30{line-height: 30px;}
.center{margin: 0 auto;}
.text-center{text-align: center;}
.text-left{text-align: left;}
.color_primary{color: #192948;}
.color_white{color: #fff;}
.bg_primary{background-color: #04305C;}
.bg_gray{background-color: #F4F4F9;}
.bg_green{ background-color: #DDEDF4;}
.mt_20{margin-top: 20px;}
.w_100{width: 100%;}
.pr_5{padding-right: 5px;}
.pl_5{padding-left: 5px;}
.pl_20{padding-left: 20px;}
.button{
  width: 110px;
  height: 38px;
  background: #1DB1F6;
  line-height: 38px;
  font-size: 14px;
  text-align: center;
  cursor: pointer;
}
.header {
    position: fixed;
    z-index: 1000;
    display: flex;
    background: #00437c;
    align-items: center;
    width: 100%;
    padding-right: calc(10px - (100vw - 100%));
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    height: 70px;
    padding-left: calc((100vw - 60px));
}
.header-logo{
    display: block;
    background: #fff;
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    padding-left: 20px;
    height: 89px;
    width: 207px;
    padding-left: 20px;
    padding-right: 0px;
}
.header-logo img{
    width: 344px;
    height: 89px;
    margin-left: 60px;
}
.nav-toggle{
  display: none;
}
.nav-toggle-menu{
    display: grid;
    width: 100vw;
    height: 100vh;
    background-color: white;
    grid-auto-rows: max-content;
    justify-items: center;
    animation: slideDown 0.6s ease-out forwards;
    z-index:1000;
    position: fixed;
    left: 0px;
    top: 50px;
}
.nav-toggle-menu-item{
    background-color: #fcfcfc;
    text-align: center;
    width: 100vw;
    color: #2e2e2e;
    animation: showmenu 0.5s linear forwards 0.4s;
    font-size: 18px;
    margin: 0;
    padding: 14px 0;
    border-bottom: 1px solid #f6f6f6;
}
.header-menu-toggle-icon {
   display: none;
    width: 30px;
    height: 24px;
    position: relative;
    transform: rotate(0deg);
    transition: all 0.3s ease;
    cursor: pointer;
}
 .header-menu-toggle-icon span {
      display: block;
      position: absolute;
      height: 3px;
      width: 100%;
      background: #fff;
      border-radius: 3px;
      opacity: 1;
      left: 0;
      transform: rotate(0deg);
      transition: all 0.3s ease;
  }
  .header-menu-toggle-icon span:nth-child(1) {
      top: 0;
  }
  .header-menu-toggle-icon span:nth-child(2),
  .header-menu-toggle-icon span:nth-child(3) {
     top: 10px;
  }
  .header-menu-toggle-icon span:nth-child(4) {
      top: 20px;
  }
   /* 菜单展开状态动画 */
.header-menu-toggle-icon.open span:nth-child(1),
.header-menu-toggle-icon.open span:nth-child(4) {
  top: 10px;
  width: 0%;
  left: 50%;
}
.header-menu-toggle-icon.open span:nth-child(2) {
  transform: rotate(45deg);
}
.header-menu-toggle-icon.open span:nth-child(3) {
  transform: rotate(-45deg);
}
.footer{
  background: #192948;
  display:flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
  padding-bottom: 40px;
  color: #fff;
  font-size: 14px;
}
.footer-nav-head{
  margin-top: 20px;
  cursor: pointer;
}
.footer-nav-head2{
  color: #6688B5;
  margin-top: 20px;
}
.footer-nav-head2 a{
  color: #6688B5;
}
.footer-main{
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  column-gap: 20px;
  max-width:1100px;
  justify-items:center;
  justify-content: center;
}
.footer-menu-head{
  color: #1DB1F6;
  font-size: 14px;
  line-height: 30px;
}
.footer-menu-item{
  font-size: 14px;
  line-height: 30px;
}
.footer-menu-item img{
  width: 20ox;
  height: 14px;
  margin-right: 5px;
}
.nav{
    position: fixed;
    right: 0;
    top: 0;
    width: 100%;
    height: 80px;
    background: #fff;
    overflow: scroll;
    visibility: hidden;
    display: flex;
    flex-direction: column;
}
.nav-menu{
  width: 100%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
}
.nav-menu-item{
  color: #fff;
  font-size: 16px;
  text-align: left;
  visibility: visible;
  padding-right: 70px;
}
.nav-lang{
  display: flex;
   align-items: center;
  visibility: visible;
  color: #fff;
  width: 105px;
  height: 20px;
  border-radius: 5px;
  border: 1px solid #1DB1F6;
  border-radius: 5px;
  font-size: 12px;
}
.lang-item{
  cursor: pointer;
}
.nav-lang-item{
  width: 50%;
  height: 100%;
  text-align: center;
  line-height:20px;
}
.nav-lang-item_check{
  width: 50%;
  height: 100%;
  text-align: center;
  background: #1DB1F6;
  line-height:20px;
}
/*****首页****/
.banner-item{
  display: flex;
  align-items: center;
}
.banner-item img {
  width: 100vw;
  height: 570px;
  object-fit: cover;
}
.banner-inner-item{
  display: flex;
  align-items: center;
}
.banner-inner-item img {
  width: 100vw;
  height: 420px;
  object-fit: cover;
}
.banner-item-head{
  position: absolute;
  z-index: 70;
  padding:0 40px;
}
.banner-inner-item-head{
  position: absolute;
  z-index: 70;
  padding:0 160px;
}
.banner-item-head-h1{
  color: #fff;
  font-size: 46px;
  font-weight: bold;
  line-height: 70px;
}
.banner-item-head-h2{
  color: #fff;
  font-size: 16px;
}
.banner-item-head-h3{
  color: #fff;
  font-size: 16px;
  line-height: 30px;
  display: flex;
  align-items:baseline;
}
.head-line{
  display: block;
  background-color: #1DB1F6;
  height: 5px;
  line-height: 5px;
  width: 30px;
  margin-right: 10px;
}
.section {
  display: grid;
  justify-items: center;
  justify-content: center;
  width: 100vw;
  max-width: 1000px;
  padding: 0 40px;
  padding-top:80px;
  padding-bottom: 20px;
  margin: 0 auto;
}
.section-page{
  padding-top: 0px !important;
}
.section-head{
  font-size: 30px;
  font-weight: bold;
  text-align: center;
}
.product-items{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  column-gap:24px;
  margin-top:40px;
}
.section-head-line{
  display: block;
  background-color: #1DB1F6;
  height: 5px;
  line-height: 5px;
  width: 50px;
  margin-right: 10px;
  margin: 0 auto;
  margin-top: 10px;
}
.product-item {
  border: 1px solid #efefef;
  background-color: white;
  box-shadow: 2px 2px 4px 0 rgba(199, 199, 199, 0.5);
  text-align: center;
  padding-bottom: 28px;
  transition: 0.4s;
  display: grid;
  justify-items: center;
  align-content: baseline;
}
.product-item:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0px 0px 24px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}
.product-item-img{
  overflow: hidden;
}
.product-item-img img{
  width: 100%;
  height: 240px;
  object-fit: cover;
  object-position: top center;
}
.product-item-head{
  font-size:16px;
  padding:16px 0 10px 0;
  color: #0064D2;
  text-align: center;
}
.product-item-desc{
  width: 85%;
  font-size: 14px;
  color: #444;
  line-height: 24px;
}
.company-item {
  border: 1px solid #efefef;
  background-color: white;
  box-shadow: 2px 2px 4px 0 rgba(199, 199, 199, 0.5);
  text-align: center;
  padding-bottom: 28px;
  transition: 0.4s;
  display: grid;
  justify-items: center;
  align-content: baseline;
}
.company-item:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0px 0px 24px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}
.company-item-img{
  overflow: hidden;
  margin-top: 30px;
}
.company-item-img img{
  width: 100px;
  height: 100px;
  object-fit: cover;
  object-position: top center;
}
.company-item-head{
  font-size:16px;
  padding:16px 0 10px 0;
  color: #0064D2;
  text-align: center;
}
.company-item-desc{
  width: 85%;
  font-size: 14px;
  color: #444;
  line-height: 24px;
}
.about{
  display: grid;
  grid-template-columns:3fr 1fr;
  column-gap:24px;
  margin-top:0px;
  background: #004BAB;
}
.about-img{
  overflow: hidden;
}
.about-img img{
  width: 100%;
  height: 570px;
  object-fit: cover;
  object-position: top center;
}
.about-main{
  color: #fff;
  display: grid;
  align-items: center;
}
.about-content{
  margin-left: 40px;
}
.about-content-head{
  font-size: 30px;
  font-weight: bold;
  text-align: left;
}
.about-content-desc{
  font-size: 14px;
  line-height: 30px;
  margin-top: 20px;
  margin-bottom: 30px;
}
.head-case{
  width: 100%;
  text-align: left;
  display: flex;
}
.head-case img{
  width: 36px;
  height: 36px;
  margin-right: 16px;
}
.case{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  column-gap: 24px;
  row-gap:18px;
  margin-top: 40px;
}
.case-item{
  overflow: hidden;
  border: 1px solid #CFD6E4;
}
.case-item img{
  width: 100%;
  height: 90px;
}
.concat{
  display: flex;
  align-items: center;
  justify-content: center;
}
.concat img{
   width: 100vw;
   height:500px;
   object-fit:cover
}
.concat-main{
  position: absolute;
  z-index: 70;
  text-align: center;
  color: #fff;
}
.concat-content{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items:center;
}
.concat-content-head{
  font-size: 30px;
  font-weight: bold;
}
.concat-content-head2{
  font-size: 16px;
  margin-top: 30px;
  margin-bottom: 30px;
}
/*****产品页****/
.product-page{
  display: grid;
  grid-template-columns:1fr 1fr;
  column-gap:24px;
  margin-top:40px;
}
.product-page-img{
  overflow: hidden;
}
.product-page-img img{
  width: 100%;
  height: 325px;
  object-fit: cover;
  object-position: top center;
}
.product-page-main{
  display: grid;
  align-items: center;
}
.product-page-content{
  margin-left: 40px;
}
.product-page-content-head{
  font-size: 26px;
  font-weight: bold;
}
.product-page-content-desc{
  font-size: 14px;
  line-height: 30px;
  margin-top: 20px;
  margin-bottom: 30px;
}
.product-page-content-icon{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 24px;
  justify-items:center;
}
.product-page-content-icon img{
  width: 50px;
  height: 50px;
}
.product-page-content-icon_summary{
  font-size: 12px;
  margin-top:10px;
  line-height: 15px;
  width: 100%;
}
/*****联系我们****/
.contact-head{
  font-size: 30px;
  font-weight: bold;
  color: #192948;
  width: 100%;
}
.contact-head2{
  margin-top: 70px;
  font-size: 14px;
  color: #1DB1F6;
  width: 100%;
}
.contact-page{
  display: grid;
  grid-template-columns:1.5fr 1fr;
  margin-top:40px;
  margin-bottom: 40px;
}
.contact-page-img{
  overflow: hidden;
}
.contact-page-img img{
  width: 100%;
  height: 380px;
  object-fit: cover;
  object-position: top center;
}
.contact-page-main{
  display: grid;
  align-items: center;
  background-color: #fff;
  justify-items: start;
}
.contact-page-content{
  margin-left:50px;
}
.contact-page-content img{
  margin-right: 10px;
}
.contact-page-content-contact img{
  width: 30px;
  height: 30px;
}
.contact-page-content-head{
  font-size: 20px;
  line-height: 80px;
}
.contact-page-content-contact{
  margin-top: 10px;
  margin-bottom: 10px;
  display:flex;
  align-items: center;
  color: #666666;
  font-size: 13px;
}
.contact-page-content-wx{
  padding-left: 40px;
  margin-top:20px;
  display:flex;
  align-items: center;
  color: #666666;
  font-size: 13px;
  min-height: 20px;
}
/*****关于我们****/
.about-page-summary{
  margin-top: 30px;
  line-height: 36px;
  color: #192948;
  text-align: center;
  margin-bottom: 50px;
}
.about-page-youshi-bg{
  background-image: url('/images/about-bg-youshi.png');
  background-repeat: repeat;
}
.about-page-youshi{
  display: grid;
  grid-template-columns:1fr 1fr;
  column-gap: 15px;
  row-gap: 15px;
  margin-top: 50px;
  margin-bottom: 50px;
}
.about-page-youshi-item-head{
  display: flex;
  margin-bottom: 15px;
}
.about-page-youshi-item-head img{
  width: 40px;
  height: 40px;
  margin-right: 15px;
}
.about-page-youshi-item{
  background-color: #fff;
  padding: 20px;
  padding-bottom: 50px;
}
.about-card-head{
  font-size: 20px;
  color: #0064D2;
  line-height: 40px;
  font-weight: bold;
  width: 100%;
}
.about-card-desc{
  font-size: 13px;
  color: #192948;
  line-height: 20px;
}
.about-page-linian{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  column-gap:24px;
  margin-bottom: 50px;
  margin-top: 50px;
}
.about-page-linian-item{
  border: 1px solid #efefef;
  background-color: white;
  box-shadow: 2px 2px 4px 0 rgba(199, 199, 199, 0.5);
  text-align: center;
  padding-bottom: 28px;
  display: grid;
  justify-items: center;
  align-content: baseline;
  max-width:300px;
  padding: 10px;
  padding-bottom: 28px;
}
.about-page-linian-item:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0px 0px 24px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}
.about-page-linian-item img{
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.about-page-jiazhi{
  display:grid;
  grid-template-columns:1fr 1fr 1fr 1fr;
  column-gap:0px;
  row-gap: 0px;
  margin-bottom: 50px;
  margin-top: 50px;
}
.about-page-jiazhi-item{
  background-color: #F3F3F3;
  text-align: center;
  justify-items: center;
  align-content: baseline;
}
.about-page-jiazhi-content{
   padding-top: 30px;
}
.about-page-jiazhi-item img{
  width: 100%;
  height: 186px;
  object-fit: cover;
}