body {
  background: #FFF;
  min-height: 100vh;
}

/*视频组件样式*/
video {
  object-fit: fill;
}

.swiper-button-next, .swiper-button-prev{
  color: #a7a7a7 !important;
}
.swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet{
  width: 12px;
  height:4px;
  border-radius: 0;
}
.swiper-pagination-bullet-active {
  width: 10px !important;
}



/*导航部分*/
.nav {
  width: 100%;
  height: 80px;
  box-shadow: 0 3px 3px 0 #CCC;
  background: #FFF;
  position: fixed;
  left: 0;
  top: -1px;
  z-index: 999;
  overflow: hidden;
  transition: 0.3s
}

.nav.index {
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.05);
}

.nav.scroll {
  background: #FFF;
  box-shadow: 0 3px 3px 0 rgba(0, 0, 0, 0.05);
  transition: 0.3s
}

.nav .layui-container {
  position: relative;
  transition: all 400ms ease-out;
  /* line-height: 80px; */
}

.nav .nav-logo {
  height: 100%;
  position: absolute;
  top: 0;
  left: 15px;
  line-height: 80px;
}



.nav .nav-logo img {
  height: auto;
  width: 80px;
}

.nav .nav-list {
  display: inline-block;
  height: 80px;
  line-height: 80px;
}



.nav .nav-list button {
  width: 25px;
  height: 30px;
  position: absolute;
  top: 30px;
  right: 15px;
  background-color: transparent;
  border: none;
  outline: none;
  cursor: pointer;
}

.nav .nav-list button span {
  display: block;
  width: 25px;
  height: 2px;
  background: #2db5a3;
  margin-bottom: 6px;
  transition: 0.5s;
}

.nav .nav-list button span.spa1 {
  transform: rotate(45deg);
}

.nav .nav-list button span.spa3 {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav .layui-nav {
  width: 100%;
  position: absolute;
  top: 80px;
  right: 0;
  color: #000;
  background: transparent;
}

.nav .layui-nav .layui-nav-item {
  display: block;
  line-height: 50px;
}

.nav .layui-nav * {
  font-size: 20px;
}

.nav .layui-nav .layui-nav-item a {
  padding: 0 0;
  color: #000;
}

.nav .layui-nav-bar,
.nav .layui-nav .layui-this:after {
  height: 2px;
  background-color: #00ccff;
}

.nav .layui-nav .layui-this a,
.nav .layui-nav .layui-nav-item a:hover {
  color: #000000;
}

.newsbox {
  overflow: hidden;
}

.newsbox p {
  text-align: left;
}

.newsbox li {
  height: auto;
  text-align: left;
  padding: 0 3.021vw;
  border-right: 1px solid #676977;
  margin-bottom: 20px;
}

.newsbox li img {
  width: 100%;
}

.newsbox li:nth-child(3n+3) {
  border-right: none;
}

.newsbox .title {
  font-size: 18px;
  font-family: Source Han Sans CN, Source Han Sans CN-Medium;
  font-weight: 500;
  color: #676977;
  line-height: 30px;
  letter-spacing: 2px;
  margin-top: 20px;
}

.newsbox .describe {
  font-size: 18px;
  font-family: SourceHanSansCN-Medium-GBpc-EUC-H;
  color: #676977;
  line-height: 33px;
  letter-spacing: 1px;
  margin-top: 20px;
}

.newsbox .more {
  font-size: 14px;
  font-family: SourceHanSansCN-Bold-GBpc-EUC-H;
  color: #676977;
  line-height: 33px;
  letter-spacing: 2px;
}

/*轮播*/
#banner {
  margin-top: 80px;
  overflow: hidden;
}

#banner img {
  width: 100%;
  height: 100%;


}

/*主体—产品*/





@media screen and (max-width: 480px) {

  .nav .layui-nav * {
    font-size: 16px;
  }


}

/*小屏幕*/
@media screen and (min-width: 768px) {
  .nav .layui-nav * {
    font-size: 16px;
  }

  .nav {
    max-height: 80px;
  }

  .nav.index {
    background: #fff
  }

  .nav .nav-list button {
    display: none;
  }

  .nav .layui-nav {
    width: auto;
    position: absolute;
    top: 0;
    padding: 0 5px;
    border-radius: 0;
    margin: 0;
  }

  .nav .layui-nav .layui-nav-item {
    display: inline-block;
    margin: 0 20px;
    line-height: 50px;
  }




}


@media screen and (min-width: 768px) and (max-width: 992px) {
  .nav .layui-nav .layui-nav-item {
    margin: 0 5px;
  }



}

/*大屏幕*/
@media screen and (min-width: 992px) {
  .nav .layui-nav * {
    font-size: 20px;
  }

  .nav .layui-nav .layui-nav-item {
    margin: 0 8px;
  }

 
}

/*超大屏幕*/
@media screen and (min-width: 1200px) {
  .nav .layui-nav * {
    font-size: 20px;
  }

  .nav .layui-nav {
    right: 0px;
  }

  .nav .layui-nav .layui-nav-item {
    margin: 0 20px;
  }
 

}

@media screen and (min-width: 1300px) {
  .layui-container {
    width: 1200px;
    padding: 0;
  }

  .nav .layui-nav {
    right: -30px;
  }

  .nav .nav-logo {
    position: absolute;
    top: 0;
    left: 0;
  }

  .layui-col-space80 {
    margin: -40px;
  }

  .layui-col-space80>* {
    padding: 40px;
  }

}