.nav-active {
  background: #037ef1 url("../images/secend/sec_menu_bg.png") no-repeat center;
}
.nav-active .item-icon {
  filter: brightness(100) !important;
}
.nav-active .item-name {
  color: #fff;
}
.containerwidth{ max-width: 1400px; margin: 0 auto; }
.container {
  width: 100%;
  /* height: 452px; */
  position: relative;
  /* padding-top: 100px; */
}
.container .container-img {
  width: 100%;
  height: 340px;
}
.container .container-img img {
  width: 100%;
  height: 100%;
  vertical-align: middle;
  object-fit: cover;
}
.container .container-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0px;
  left: 0;
  color: #fff;
}
.container .container-content .content-cn {
  font-size: 3.5rem;
  font-weight: bold;
  text-align: center;
}
.container .container-content .content-en {
  font-size: 1.75rem;
  text-align: center;
  color: #fff;
  font-weight: 100;
}
.container .container-nav {
  width: 100%;
  height: 7.5rem;
  background-color: #f5f5f5;
  z-index: 9;
  position: relative;
  overflow: auto;
}
.container .container-nav .navBar-list {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  font-size: 1.125rem;
  color: #888;
  height: 100%;
  min-width: 1000px;
}
.container .container-nav .navBar-list .navBar-item {
  display: flex;
  flex-flow: column wrap;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}
.container .container-nav .navBar-list .navBar-item a {
  width: 100%;
  height: 100%;
  color: #888;
  display: flex;
  flex-flow: column wrap;
  justify-content: center;
  align-items: center;
}
.container .container-nav .navBar-list .navBar-item .item-icon {
  filter: brightness(0);
}

.section-paddingbg{ position: relative; top: 0;}
.page-bg{ position: absolute; bottom: 0; left: 0; right: 0; z-index: -1;}
.page-bg img{ width: 100%; height: 100%; object-fit: cover; opacity: 0.5;}

.blog-details .info{
  padding: 70px 0;
  min-height: 500px;
}
.blog-details .info .title{
  font-size: 46px;
  font-weight: bold;
  margin-bottom: 50px;
  color: #037ef1;
  text-align: center;
}
.blog-details .info .desc .w{ color: #037ef1; font-weight: bold; padding-bottom: 15px; margin-bottom: 15px; border-bottom: 1px dashed #999;}
.blog-details .info .desc .d{color: #666; padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid #999;}
.blog-details .info .desc ul{ display: flex; justify-content: space-between; align-items: center; margin-bottom: 50px;}
.blog-details .info .desc ul li{ width: 33.33%; min-height: 630px; background-color: #e6f3ff;}
.blog-details .info .desc ul li:nth-child(2){ margin: 0 40px;}
.classimg img{ display: block; width: 100%; height: auto; object-fit: cover;}
.classtxt{ padding: 30px;}
.classtxt h3{ font-size: 24px; font-weight: bold; margin-bottom: 20px; color: #037ef1;}
.classtxt p{ color: #666; font-size: 18px; line-height: 32px;}

@media screen and (max-width: 1440px) {
  .container .container-nav .navBar-list .navBar-item a .item-name {
    font-size: 12px;
  }
  .container .container-content .content-cn {
    font-size: 48px;
    font-weight: bold;
  }
  .container .container-content .content-en {
    font-size: 24px;
  }
  .container .navBar-list {
    width: 100%;
    max-width: 1400px;
    font-size: 14px;
    min-width: auto;
    width: max-content;
  }
  .container .navBar-list .navBar-item {
    width: fit-content;
  }
}
@media screen and (max-width: 1200px) {
  .container .container-content .content-cn {
    font-size: 32px;
    font-weight: bold;
  }
  .container .container-content .content-en {
    font-size: 16px;
  }
  .container .navBar-list {
    width: 100%;
    max-width: 1400px;
    font-size: 12px;
    min-width: auto !important;
    width: max-content !important;
  }
  .container .navBar-list .navBar-item {
    width: fit-content !important;
    padding: 0 20px !important;
  }
  .container .navBar-list .navBar-item a {
    min-width: 100px;
  }
}

.narBar-ative {
  background: #037ef1 url("../images/secend/sec_menu_bg.png") no-repeat center center;
}

@media screen and (max-width: 768px) {
  .blog-details .info .desc ul{ display: inherit;}
  .blog-details .info .desc ul li{ width: 90%; margin: 0 5% 5% !important; min-height: auto;}
  .classtxt{ padding: 25px 20px;}
  .classtxt h3{ font-size: 20px !important;}
  .des-title{ font-size: 18px !important;}
  .des-text{ font-size: 14px !important;}
  .section-padding .main{ padding: 10px 0 !important;}
  .section-padding .main img{ display: none;}
  .section-padding .main .content-row>div{ width: 100%; position: inherit;}
  .section-padding .main .content-row>div .item{ max-width: inherit; width: auto; margin: 10px 10px 20px !important;}
  .top{ margin-left: 0 !important;}
  .section-padding .main .content-row>div .item>div{ text-align: center !important;}
  .container .container-img{ height: 200px; position: relative; top: 0;}
  .container .container-content .content-cn{ font-size: 26px;}
  .container .container-nav{ height: 3.75rem;}
  .nav-active{ background-size: 50px;}
  .blog-details .info{ padding: 30px 0;}
  .blog-details .info .title{ font-size: 20px; margin-bottom: 20px;}
  .blog-details .info .desc{ padding: 0 20px;}
  .blog-details .info .desc p,.blog-details .info .desc p span,.blog-details .info .desc .d,.blog-details .info .desc .j{ font-size: 14px !important; line-height: 1.6 !important; color: #333;}
}