* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Noto Sans, Arial, '微软雅黑', sans-serif;
}

.n-projcet-page {
  background-color: #f8f8f8;
  padding-bottom: 90px;
}

.n-btns {
  display: flex;
}

.n-btn {
  display: inline-block;
  padding: 12px 48px;
  border-radius: 50px;
  font-size: 18px;
  margin-right: 12px;
  cursor: pointer;
}

.n-btn:last-child {
  margin-right: 0;
}

.n-btns .red-btn {
  background: #DA0030;
  color: #FFFFFF;
}

.n-btns .white-btn {
  background-color: #FFFFFF;
  color: #DA0030;
}

.n-page-content {
  padding-top: 60px;
  margin: 0 auto;
  width: 1440px;
}

.n-page-title {
  font-weight: 700;
  font-size: 36px;
  text-align: center;
  color: #292929;
  padding-top: 125px;
}

.n-page-sub-title{
  color: #7D7D7D;
  font-size: 18px;
  font-weight: 400;
  line-height: 21px;
  letter-spacing: 0em;
  text-align: center;
  margin-top: 15px;
  clear: both;
}
.n-page-desc {
  margin-top: 12px;
  font-weight: 400;
  font-size: 18px;
  text-align: center;
  color: #7D7D7D;
}
/* banner */

.n-banner {
  width: 100%;
  position: relative;
}
.n-banner img{
  display: block;
  margin: 0 auto;
/*  width: 100%;*/
}

.n-banner-content {
  position: absolute;
  width: 1440px;
  left: calc((100% - 1440px)/2);
  top: 47%;
  transform: translateY(-50%);
}

.n-banner-content h1 {
  font-weight: 700;
  font-size: 42px;
  color: #333;
}

.n-banner-content h2 {
  margin-top: 20px;
  font-weight: 400;
  font-size: 24px;
  color: #333;
}

.n-banner-content p {
  margin-top: 30px;
  max-width: 832px;
  font-weight: 400;
  font-size: 16px;
  line-height: 170%;
/*        text-indent: 2em;*/
  color: #7D7D7D;
}

.n-banner-content .n-btns {
  margin-top: 50px;
}
/* 导航栏 */

.n-nav {
  margin-top: -60px;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  height: 60px;
  display: flex;
  align-items: center;
  position: relative;
}

.n-breadcrumb-bg {
  display: flex;
  flex-direction: row;
  align-items: center;
}
.n-breadcrumb-bg .page-home img{
  width: 22px;
}

.n-breadcrumb-bg li::after {
  content: '>';
  display: inline-block;
  padding-top: 3px;
  margin: 0 5px;
  color: #FFFFFF;
}

.n-breadcrumb-bg li:last-child:after {
  content: '';
}

.n-breadcrumb-bg li {
  list-style: none;
}

.n-breadcrumb-bg li a {
  text-decoration: none;
  font-size: 14px;
  color: #FFFFFF;
  line-height: 150%;
}

.n-nav-content {
  margin: 0 auto;
  width: 1440px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.n-nav-right span {
  display: inline-block;
  font-weight: 400;
  font-size: 14px;
  color: #D5D5D5;
  margin-right: 58px;
  cursor: pointer;
}

.n-nav-right span:last-child {
  margin-right: 0;
}

.n-nav-right .n-nav-active {
  color: #DA0030;
  cursor: default;
}
.technology-page .technology-item{
  cursor: pointer;
}
.challenges-page,
.benefits-page{
  display: flex;
  padding-bottom: 115px;
}
.challenges-page .challenges-item,
.benefits-page .benefits-item,
.technology-page .technology-item,
.case-page .case-item{
  flex: 1;
  margin: 0 10px;
  background: #fff;
  padding-bottom: 30px;
}
.challenges-page .challenges-item:hover{
  box-shadow: 0 0 10px 4px #dadada;
}
.challenges-page .challenges-item h5,
.challenges-page .challenges-item p{
  margin: 0 8px;
  text-align: center;
  font-size: 16px;
  color: #7D7D7D;
  line-height: 27px;
}
.challenges-page .challenges-item h5{
  color: #292929;
  font-size: 19px;
  padding: 30px 0 26px 0;
  border-bottom: 1px solid #E7E7E7;
  margin-bottom: 15px;
}
#benefits-cont{
  background: #e2e6ea;
}
.benefits-page .benefits-item{
  text-align: center;
  line-height: 26px;
  font-size: 16px;
  padding-bottom: 55px;
  color: #7D7D7D;
}
.benefits-page .benefits-item img{
  width: 22.5%;
  display: block;
  margin: 60px auto;
}
.benefits-name{
  color: #0A87EF;
  font-size: 19px;
}
.benefits-tit{
  font-size: 19px;
  color: #292929;
  line-height: 30px;
  padding: 20px 0;
}
.technology-page,
.case-page{
  display: flex;
}
.technology-page .technology-tit{
  padding: 30px 0 15px 0;
}
.technology-page .technology-tit,
.technology-page .technology-des{
  margin: 0 30px;
  font-size: 19px;
  color: #292929;
  line-height: 26px;
}
.technology-page .technology-des{
  font-size: 16px;
  color: #858585;
}


.case-page .case-tit,
.case-page .case-des{
  margin: 0 30px;
  color: #7D7D7D;
  font-size: 16px;
  line-height: 26px;
}
.case-page .case-tit{
  padding: 30px 0 15px 0;
  font-size: 19px;
  color: #292929;
}

.products-page,
.resources-page{
  display: flex;
}
.products-page .products-item{
  flex: 1;
  margin: 0 10px;
  max-width: 463px;
  background: #fff;
  text-align: center;
  font-size: 19px;
  color: #292929;
  position: relative;
}
.products-page .products-item a{
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.products-more{
  color: #0094FF;
  font-size: 16px;
  padding: 28px 0;
}
.resources-page .resources-item{
  flex: 1;
  margin: 0 10px;
  background: #fff;
  color: #292929;
  padding: 30px 35px 30px 40px;
  position: relative;
}
.resources-page .resources-item .resources-name{
  font-size: 19px;
  line-height: 20px;
  margin-bottom: 5px;
}
.resources-page .resources-item a{
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}
.resources-des{
  font-size: 16px;
  color: #7D7D7D;
  line-height: 26px;
}
.resources-more{
  color: #0094FF;
  font-size: 16px;
  padding: 28px 0;
}
.item-flex{
  display: flex;
}
.resources-flex{
  padding-left: 30px;
}
.item-flex{
  position: relative;
}
.item-flex:after{
  content: "";
  display: block;
  background: url(../RJ-img/play.png) no-repeat center center;
  background-size: 52px;
  height: 72px;
  width: 72px;
  position: absolute; 
  left: calc(30% - 36px);
  top: calc(50% - 36px);
  z-index: 2;
}
/* 全屏视频 */
.video-mask {
  top: 0;
  left: 0;
  position: fixed;
  width: 100vw;
  height: 100vh;
  display: none;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, .8);
  z-index: 999999;
}

.video-mask div {
  text-align: right;
  width: 80%;
  margin: 0 auto;
}

#full-video {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.mask-btn {
  cursor: pointer;
}

.mobile-img {
  display: none;
}
@media screen and (max-width:1440px) {
  .n-nav-content {
    width: 1000px;
  }
  .n-page-content{
    width: 1000px;
    padding-top: 40px;
  }
  .n-banner-content{
    width: 1000px;
    left: calc((100% - 1000px)/2);
    top: 47%;
    transform: translateY(-50%);
  }
  .n-banner img{
    width: 100%;
  }
  .n-banner-content h1{
    font-size: 30px;
  }
  .n-banner-content h2{
    font-size: 18px;
    margin-top: 5px;
  }
  .n-banner-content p{
    margin-top: 5px;
    font-size: 14px;
    max-width: 640px;
  }
  .n-btn{
    padding: 8px 30px;
    font-size: 16px;
  }
  .n-banner-content .n-btns{
    margin-top: 15px;
  }
  .n-nav{
    margin-top: -42px;
    height: 42px;
  }
  .n-nav-right span{
    margin-right: 40px;
  }
  .n-page-title{
    padding-top: 88px;
    font-size: 30px;
  }
  .challenges-item img,
  .technology-item img,
  .case-item img{
    width: 100%;
  }
  .challenges-page .challenges-item h5{
    font-size: 18px;
    padding: 15px 0 15px 0;
  }
  .challenges-page .challenges-item p{
    font-size: 14px;
    line-height: 20px;
  }
  .challenges-page, .benefits-page{
    padding-bottom: 80px;
  }
  .benefits-name,
  .benefits-tit{
    font-size: 18px;
  }
  .benefits-tit{
    padding: 12px 0;
  }
  .benefits-page .benefits-item {
    line-height: 22px;
    font-size: 14px;
    padding-bottom: 40px;
  }
  .technology-page .technology-tit, 
  .technology-page .technology-des{
    margin: 0px 25px;
    font-size: 18px;
  }
  .technology-page .technology-des{
    font-size: 14px;
    line-height: 20px;
  }
  .technology-page .technology-tit {
    padding: 20px 0 10px 0;
  }
  .case-page .case-tit, .case-page .case-des{
    margin: 0 25px;
  }
  .case-page .case-tit{
    font-size: 18px;
    padding: 15px 0 15px 0;
  }
  .case-page .case-des{
    font-size: 14px;
    line-height: 20px;
  }
  .products-page .products-item{
    max-width: 313px;
    font-size: 18px;
  }
  .products-tit{
    padding: 0 6%;
  }
  .products-page .products-item img{
    width: 50%;
  }
  .resources-page .resources-item{
    padding: 20px 25px;
  }
  .resources-page .resources-item img{
    width: 30%;
    flex: 1;
  }
  .resources-page .resources-item .resources-name{
    font-size: 18px;
  }
  .resources-des {
    font-size: 14px;
    line-height: 20px;
  }
  .resources-flex {
    flex: 1;
    padding-left: 20px;
  }
  .products-more,
  .resources-more{
    font-size: 14px;
  }
  .item-flex:after{
    left: calc(26% - 36px);
  }
  #full-video {
    width: 80%;
  }
}

@media screen and (max-width:1000px) {
  .n-nav-content {
    width: 750px;
  }
  .n-page-content{
    width: 750px;
    padding-top: 35px;
  }
  .n-banner-content{
    width: 750px;
    left: calc((100% - 750px)/2);
    top: 47%;
    transform: translateY(-50%);
  }
  .n-banner-content h1 {
    font-size: 20px;
  }
  .n-banner-content h2{
    font-size: 14px;
    margin-top: 5px;
  }
  .n-banner-content p{
    font-size: 12px;
    max-width: 440px;
    line-height: 16px;
    margin-top: 5px;
  }
  .n-btn {
    padding: 4px 20px;
    font-size: 14px;
  }
  .n-banner-content .n-btns {
    margin-top: 15px;
  }
  .n-nav {
    height: 32px;
    margin-top: -32px;
  }
  .n-nav-right span {
    margin-right: 20px;
    font-size: 12px;
  }
  .n-breadcrumb-bg li a{
    font-size: 12px;
  }
  .n-page-title {
    padding-top: 50px;
    font-size: 22px;
  }
  .challenges-page .challenges-item h5 {
    font-size: 14px;
    line-height: 18px;
    margin-bottom: 10px;
  }
  .challenges-page .challenges-item p {
    font-size: 12px;
    line-height: 16px;
  }
  .challenges-page, .benefits-page {
    padding-bottom: 60px;
  }
  .benefits-page .benefits-item img{
    margin: 30px auto;
  }
  .benefits-name, .benefits-tit{
    font-size: 14px;
  }
  .benefits-tit {
    padding: 2px 0;
  }
  .benefits-page .benefits-item {
    line-height: 16px;
    font-size: 12px;
    padding-bottom: 25px;
  }
  .technology-page .technology-tit,
  .case-page .case-tit{
    font-size: 14px;
    line-height: 18px;
    margin: 0 15px;
  }
  .technology-page .technology-des,
  .case-page .case-des{
    font-size: 12px;
    line-height: 16px;
    margin: 0 15px;
  }
  .case-page .case-tit{
    padding: 10px 0;
  }
  .challenges-page .challenges-item, .benefits-page .benefits-item, .technology-page .technology-item, .case-page .case-item{
    padding-bottom: 15px;
  }
  .products-page .products-item {
    max-width: 230px;
    font-size: 14px;
  }
  .products-more, .resources-more {
    font-size: 12px;
    padding: 18px 0;
  }
  .resources-item img{
    width: 60%;
    display: inline-block;
  }
  .resources-page .resources-item .resources-name{
    font-size: 14px;
    line-height: 18px;
  }
  .resources-des{
    font-size: 12px;
    line-height: 14px;
  }
  .item-flex:after {
    background: url(../RJ-img/play.png) no-repeat center center;
    background-size: 30px;
    left: calc(27% - 36px);
  }

  .resources-page .resources-item {
    padding: 15px 10px 15px 18px;
  }
  .resources-flex {
    padding-left: 15px;
  }
  .challenges-page .challenges-item, .benefits-page .benefits-item, 
  .technology-page .technology-item, .case-page .case-item,
  .products-page .products-item,
  .resources-page .resources-item{
    margin: 0 5px;
  }
  .challenges-page .challenges-item:nth-child(3) h5{
    padding: 15px 10%;
  }
}

@media screen and (max-width:750px) {
  .n-projcet-page{
    padding-bottom: 2rem;
  }
  .n-nav{
    display: none;
  }
  .n-nav-content {
    width: 100%;
  }
  .n-page-content{
    width: 92%;
    padding-top: 1.5625rem;
  }
  .n-banner-content{
    width: 100%;
    padding: 12% 4% 0 4%;
    left: 0;
    top: 0%;
    transform: translateY(0%);
    height: 100%;
  }
  .n-banner-content h1 {
    font-size: 1.5rem;
  }
  .n-banner-content h2{
    font-size: 1.125rem;
    margin-top: 0.2rem;
  }
  .n-banner-content p{
    font-size: 0.75rem;
    line-height: 150%;
  }
  .n-btns{
    display: block;
    position: absolute;
    bottom: 4%;
  }
  .n-btn{
    font-size: 0.875rem;
    padding: .25rem 1.5rem;
    margin: 0.312rem .3rem;
  }
  .n-page-title {
    padding-top: 2.75rem;
    font-size: 1.1875rem;
  }

  .challenges-page .challenges-item{
    display: block;
    flex: none;
    margin: 0;
    height: 34.5rem;
    padding-bottom: 0;
  }
  .challenges-item{
    height: 34rem;
  }
  .challenges-page .challenges-item h5 {
    font-size: 1.25rem;
    line-height: 130%;
    margin-bottom: .5rem;
  }
  .challenges-page .challenges-item p {
    font-size: 0.9375rem;
    line-height: 140%;
  }
  .swiper-pagination{
    bottom: 10%!important;
  }
  .challenges-page, .benefits-page{
    padding-bottom: 2.5rem;
  }
  .swiper-pagination-bullet{
    background: #b8b8b8!important;
  }
  .swiper-pagination-bullet-active{
    background: #d5d5d5;
  }

  .benefits-page{
    display: block;
  }
  .benefits-page .benefits-item{
    display: flex;
    margin: 1.1rem auto;
    align-items: center;
    padding: 1.4rem 0;
  }
  .benefits-page .benefits-item img{
    width: 3.2rem;
    margin: 0 0.78rem;
    height: 3.2rem;
  }
  .benefits-page .benefits-item > div{
    flex: 3;
    text-align: left;
  }
  .benefits-name, .benefits-tit{
    font-size: 1.2rem;
    line-height: 150%;
  }
  .benefits-des{
    font-size: 0.93rem;
    line-height: 150%;
  }

  .technology-page, .case-page{
    display: block;
  }
  .technology-page .technology-item,
  .case-page .case-item{
    margin: 1.09rem auto;
  }
  .technology-page .technology-tit, 
  .case-page .case-tit{
    font-size: 1.2rem;
    line-height: 140%;
  }
  .technology-page .technology-des, 
  .case-page .case-des{
    font-size: 0.75rem;
    line-height: 135%;
  }
  .products-page{
    display: flex;
    justify-content: space-between;
    margin: 0 -2%;
  }
  .products-page .products-item{
    border: 1px solid #d5d5d5;
    margin: 0 5px;
  }
  .products-tit{
    font-size: 0.75rem;
    padding: 0 10%;
  }
  .products-more, .resources-more{
    font-size: 0.75rem;
  }
  .resources-page{
    display: block;
  }
  .resources-page .resources-item{
    margin-bottom: 0.75rem;
  }
  .resources-page .resources-item .resources-name {
    font-size: 0.8125rem;
    line-height: 125%;
  }
  .resources-des {
    font-size: .75rem;
    line-height: 125%;
  }
  .video-mask div{
    width: 96%;
  }
  #full-video {
    width: 94%;
  }
}

@media screen and (max-width:340px) {}