html{
  background-color: rgb(250, 250, 250);
}

/** 主体类 **/
main>.container {
  width: 100%;
  max-width: 100%;
  padding: 0;
}

/** Header Banner **/
/* Carousel base class */
.carousel {
  height: calc(1080vw / 19.2);
  max-height: 100vh;
}

/* Since positioning the image, we need to help out the caption */
.carousel-caption {
  bottom: 3rem;
  z-index: 10;
}

/* Declare heights because of positioning of img element */
.carousel .carousel-item,
.carousel .carousel-inner {
  height: 100%;
}

#navCarousel .carousel-item>img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.navbar-toggler {
  border: none;
}

/** 边距类 60px - 100px **/
main>.container .mt-40vw {
  margin-top: calc(40vw / 19.2);
}

main>.container .mb-60vw {
  margin-bottom: calc(60vw / 19.2);
}

main>.container .mb-90vw {
  margin-bottom: calc(90vw / 19.2);
}

main>.container .mb-100vw {
  margin-bottom: calc(100vw / 19.2);
}

/** 主体Banner **/
main>.container .carousel {
  height: calc(600vw / 19.2);
  margin-top: calc(40vw / 19.2);
}

main>.container .carousel-video {
  height: calc(800vw / 19.2);
}

main>.container .carousel-video .carousel-item .carousel-btn {
  z-index: 100;
  margin: 0 auto;
  font-size: 0.6rem;
  height: 1.875rem;
  width: 5.425rem;
  background: rgba(0, 0, 0, 0.5);
  padding: 0;
  position: absolute;
  left: 50%;
  bottom: 50px;
  transform: translateX(-50%);
}

main>.container .carousel .carousel-inner,
main>.container .carousel .carousel-inner .carousel-item {
  height: 100%;
  overflow: hidden;
}

main>.container .carousel .carousel-inner .carousel-item>img {
  position: absolute;
  left: 50%;
  height: 100%;
  transform: translateX(-50%);
}

main>.container .carousel .carousel-inner .carousel-item>video {
  position: absolute;
  left: 50%;
  height: 100%;
  transform: translateX(-50%);
  background: black;
  object-fit: cover;
}

/** 产品列表等卡片 **/
main>.container .product-cards,
main>.container .other-cards {
  padding: 0 calc(40vw / 19.2);
}

main>.container .product-cards .product-head {
  padding: 1.25rem 0;
}

main>.container .product-cards .product-head h2 {
  font-size: 1.25rem !important;
}

main>.container .product-cards .product-head .product-title {
  margin: calc(60vw / 19.2) 0 calc(19vw / 19.2);
  font-size: 1.5rem !important;
  font-size: 36px;
}

main>.container .product-cards h3 {
  font-size: 1rem !important;
  margin: 0 !important;
  padding: calc(30vw / 19.2) 0;
  line-height: 1.5;
}

main>.container .product-cards .product-head a {
  color: black;
  font-size: 1rem;
}

main>.container .product-cards .product-head a span {
  padding-left: 10px;
}

main>.container .product-cards .product-item-group {
  height: calc(600vw / 19.2);
}

main>.container .product-cards .product-item-group .product-item {
  width: calc(900% / 18.4);
  height: 100%;
  display: flex;
  flex-direction: column;
}

main>.container .product-cards .product-item-group .product-item:last-child {
  margin-left: calc(40% / 18.4);
}

main>.container .product-cards .product-item-fill,
main>.container .other-cards .other-item-group {
  height: calc(450vw / 19.2);
  margin: 0 !important;
}

main>.container .product-cards .product-item-fill .col,
main>.container .other-cards .other-item-group .col {
  width: calc(520% / 16.2);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

main>.container .product-cards .product-item-fill .col:nth-child(n + 2),
main>.container .other-cards .other-item-group .col:nth-child(n + 2) {
  margin-left: calc(30% / 16.2);
}

main>.container .product-cards .product-item .card,
main>.container .product-cards .product-item-fill .card,
main>.container .product-cards .video-item-group .card,
main>.container .other-cards .other-item-group .card {
  background: #f5f5f5;
  flex: 1;
  justify-content: center;
  align-items: center;
}

main>.container .product-list .p-nav-bar {
  overflow-x: scroll;
  white-space: nowrap;
  font-size: 1rem;
  margin-bottom: 1rem;
}

main>.container .product-list .p-nav-bar::-webkit-scrollbar {
  display: none;
}

main>.container .product-list .p-nav-bar .nav {
  flex-wrap: nowrap;
  justify-content: center;
}

main>.container .product-list .p-nav-bar .nav li:not(.nav-item) {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

main>.container .product-list .p-nav-bar .nav li:not(.nav-item)>.vr {
  height: 1.25rem;
  width: 2px;
  opacity: 1;
}

main>.container .product-list .p-nav-bar .nav li>.nav-link {
  color: black;
  border-radius: 0;
  background-color: transparent;
}

main>.container .product-list .p-nav-bar .nav li>.active {
  color: #eb5500;
}

main>.container .product-list .product-carousel .product-intro {
  flex: 37.5%;
  height: calc(650vw / 19.2);
  display: flex;
  flex-direction: column;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  overflow: hidden;
  padding: calc(100vw / 19.2) calc(70vw / 19.2) calc(100vw / 19.2) calc(100vw / 19.2);
}

main>.container .product-list .product-carousel .product-intro h2 {
  font-size: 1.5rem;
  margin-bottom: 1.35rem;
}

main>.container .product-list .product-carousel .product-intro div {
  font-size: 0.75rem;
  line-height: 2;
  flex: 1;
  overflow: hidden;
}

main>.container .product-list .product-carousel .product-intro a {
  font-size: 0.75rem;
  color: #eb5500;
}

main>.container .product-list .product-carousel .product-image {
  flex: 62.5%;
  height: calc(650vw / 19.2);
  overflow: hidden;
}

main>.container .product-list .product-carousel .product-image>img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

main>.container .product-carousel .carousel-item-start:not(.carousel-item-next) .product-intro,
main>.container .product-carousel .carousel-item-end:not(.carousel-item-prev) .product-intro {
  animation: moveToRight 0.5s ease-in-out;
  animation-fill-mode: forwards;
  -webkit-animation: moveToRight 0.5s ease-in-out;
  -webkit-animation-fill-mode: forwards;
}

main>.container .product-carousel .carousel-item-start:not(.carousel-item-next) .product-image,
main>.container .product-carousel .carousel-item-end:not(.carousel-item-prev) .product-image {
  animation: moveToLeft 0.5s ease-in-out;
  animation-fill-mode: forwards;
  -webkit-animation: moveToLeft 0.5s ease-in-out;
  -webkit-animation-fill-mode: forwards;
}

main>.container .case {
  height: calc(650vw / 19.2);
  background-image: url("/static/nt/images/index-project-bg.png");
  background-size: auto 100%;
}

main>.container .case .case-nav {
  padding-left: calc(150vw / 19.2);
  flex: 53.65%;
}

main>.container .case .case-nav h2 {
  font-size: 1.75rem;
}

main>.container .case .case-nav .nav-pills {
  margin: 0.96rem 2vw 0.96rem 0;
  font-size: 1.25vw;
}

main>.container .case .case-nav .nav-pills .nav-link {
  color: #e6e6e6;
  font-size: 2.5em;
  line-height: 1;
  font-weight: bold;
  padding: 0;
  background: transparent;
  margin: calc(26vw / 19.2) calc(44vw / 19.2) calc(26vw / 19.2) 0;
}

main>.container .case .case-nav .nav-pills .nav-link.active {
  color: #eb5500;
}

main>.container .case .case-nav .tab-content {
  padding-right: calc(116vw / 19.2);
}

main>.container .case .case-nav .tab-content h3 {
  font-size: 1rem;
}

main>.container .case .case-nav .tab-content .tab-pane>div {
  overflow: hidden;
  font-size: 0.75rem;
  line-height: 2;
  padding: 0.4rem 0;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

main>.container .case .case-nav .tab-content .tab-pane>a {
  color: #eb5500;
  font-size: 0.75rem;
}

main>.container .case .case-nav .p-nav-tool a {
  background-color: #eb5500;
  width: 2rem;
  height: 2rem;
  padding: 0;
  margin-right: 0.65rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05);
}

main>.container .case .case-nav .p-nav-tool a.end {
  background-color: white;
}

main>.container .case .case-nav .p-nav-tool a path {
  fill: white;
}

main>.container .case .case-nav .p-nav-tool a.end path {
  fill: #777;
}

main>.container .case .case-list {
  flex: 46.35%;
  overflow: hidden;
  position: relative;
}

main>.container .case .case-list .swiper-container,
main>.container .case .case-list .swiper-container .swiper-wrapper {
  height: 100%;
}

main>.container .case .case-list .case-list-tool {
  position: absolute;
  top: 50%;
  width: 100%;
  height: calc(60vw / 19.2);
  transform: translateY(-50%);
  z-index: 1000;
}

main>.container .case .case-list .swiper-container .case-button-prev,
main>.container .case .case-list .swiper-container .case-button-next {
  width: calc(60vw / 19.2);
  height: calc(60vw / 19.2);
  background-color: #eb5500;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  position: absolute;
}

main>.container .case .case-list .swiper-container .case-button-prev {
  left: 68.5%;
}

main>.container .case .case-list .swiper-container .case-button-next {
  left: 77%;
}

main>.container .case .case-list .swiper-container .swiper-button-disabled {
  display: none;
}

main>.container .case .case-list .swiper-container .case-button-prev path,
main>.container .case .case-list .swiper-container .case-button-next path {
  fill: white;
}

main>.container .case .case-list img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/** 产品列表等卡片 图片切换 **/
main>.container .product-animate .card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

main>.container .product-animate .card img:first-child+img {
  display: none;
}

main>.container .product-animate .card:hover>img:first-child {
  animation: zoomOutAnimate 0.3s ease-in-out;
  animation-fill-mode: forwards;
  /* Safari 和 Chrome */
  -webkit-animation: zoomOutAnimate 0.3s ease-in-out;
  -webkit-animation-fill-mode: forwards;
  position: absolute;
  z-index: 100;
}

main>.container .product-animate .card:hover>img:first-child+img {
  animation: zoomInAnimate 0.3s ease-in-out;
  animation-delay: 0.25s;
  animation-fill-mode: forwards;
  /* Safari 和 Chrome */
  -webkit-animation: zoomInAnimate 0.3s ease-in-out;
  -webkit-animation-delay: 0.25s;
  -webkit-animation-fill-mode: forwards;
  display: block;
  opacity: 0;
}

main .container .newsInformation {
  max-width: 1620px;
  width: calc(1620vw / 19.2);
  margin: 0 auto;
}

main .container .newsInformation>h4 {
  text-align: center;
  font-size: 1.5rem;
  margin: 0;
}

main .container .newsInformation ul li {
  list-style: none;
}

main .container .newsInformation .newsInformation-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: calc(50vw / 19.2) 0 0;
  padding: 0;
}

main .container .newsInformation .newsInformation-inner .newsInformation-item {
  max-width: 380px;
  width: calc(380vw / 19.2);
}

main .container .newsInformation .newsInformation-inner .newsInformation-item>div {
  background-color: black;
  max-height: 200px;
  height: calc(200vw / 19.2);
  margin-bottom: 0.9rem;
}

main .container .newsInformation .newsInformation-inner .newsInformation-item>h6 {
  font-size: 0.8333rem;
}

main .container .newsInformation .newsInformation-inner .newsInformation-item>p {
  font-size: 0.583333rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btnmore {
  margin: 2.5rem auto 0;
  width: 220px;
  height: 50px;
  color: #fff;
  font-size: 18px;
  background-color: #eb5500;
  border-radius: 20px;
  text-align: center;
  line-height: 50px;
  cursor: pointer;
  letter-spacing: 6px;
}

main .container .need {
  background-color: #f5f5f5;
  padding-bottom: calc(90vw / 19.2);
}

main .container .need .need-box {
  max-width: 1250px;
  width: calc(1250vw / 19.2);
  margin: 0 auto;
  padding-top: calc(60vw / 19.2);
}


main .container .need .need-box>h4 {
  text-align: center;
}

main .container .need .need-box>p {
  text-align: center;
  /* font-size: 0.75rem; */
  font-size: 18px;
  color: #969696;
}

/**重写字体**/
main .container .need .need-box .need-p-second {
  font-size: 16px;
}


main .container .need .need-box ul {
  display: flex;
  justify-content: space-between;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

main .container .need .need-box ul li {
  list-style: none;
  text-align: center;
  width: 25% !important;
}

main .container .need .need-box ul li img {
  max-width: 140px;
  max-height: 140px;
  width: calc(140vw / 19.2);
  height: calc(140vw / 19.2);
}

main .container .need .need-box ul li h6 {
  margin: 1rem 0 0.8rem;
}

main .container .need .need-box ul li p {
  color: #969696;
  margin: 0;
  /* font-size: 0.8333rem; */
  font-size: 18px;
}

#shopModal .shop-title {
  font-size: 1rem;
}

#shopModal .modal-lg {
  max-width: 700px;
}

#shopModal .modal-body a {
  width: 100%;
  max-width: 262px;
  height: calc(108vw / 19.2);
  display: block;
  border: 1px solid #e0e0e0;
  background-position: center center;
  background-size: 70%;
  background-repeat: no-repeat;
}

#shopModal .modal-body a+h5 {
  color: #4d4d4d;
  font-size: 0.7rem;
  text-align: center;
  margin-top: 20px;
}

/* 新闻资讯图片 */
.newsInformation-item .card-img-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.5s;
  -webkit-transition: 0.5s;
}

.newsInformation-item .card-img-col:hover>img {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}

main .product-item .card-cover img {
  width: 100%;
  height: 100%;
  transition: 0.5s;
  -webkit-transition: 0.5s;
}

main .product-item .card-cover:hover>img {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}

/** 动画效果 **/
@keyframes zoomAnimate {
  0% {
    transform: scale(1);
  }

  100% {
    transform: scale(1.1);
  }
}

@keyframes zoomOutAnimate {
  0% {
    transform: scale(1);
    opacity: 1;
  }

  100% {
    transform: scale(1.15);
    opacity: 0;
  }
}

@keyframes zoomInAnimate {
  0% {
    transform: scale(1.15);
    opacity: 0;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes moveToRight {
  0% {
    transform: translateX(0);
    opacity: 1;
  }

  100% {
    transform: translateX(50%);
    opacity: 0;
  }
}

@keyframes moveToLeft {
  0% {
    transform: translateX(0);
    opacity: 1;
  }

  100% {
    transform: translateX(-50%);
    opacity: 0;
  }
}

/** 其他尺寸样式 **/
@media (min-width: 768px) {

  main>.container .solution-card .col>.card:hover,
  main>.container .product-cards .video-item-group .card:hover {
    z-index: 10;
    position: relative;
    animation: zoomAnimate 0.8s;
    animation-fill-mode: forwards;
    animation-timing-function: ease-in-out;
    /* Safari 和 Chrome */
    -webkit-animation: zoomAnimate 0.8s;
    -webkit-animation-fill-mode: forwards;
    -webkit-animation-timing-function: ease-in-out;
  }
}

@media (max-width: 1600px) {
  main>.container .product-cards .product-item .card-info>.info-content>span {
    -webkit-line-clamp: 5;
  }
}

@media (max-width: 1200px) {
  header .navbar {
    padding: 0 1rem;
  }

  main>.container .product-cards .product-item .card-info h2 {
    -webkit-line-clamp: 1;
  }

  main>.container .product-cards .product-item .card-info>.info-content>span {
    -webkit-line-clamp: 3;
  }

  main>.container .case .case-nav .tab-content .tab-pane>div {
    -webkit-line-clamp: 2;
  }

  .footer .footer-content {
    margin: calc(60vw / 19.2) calc(60vw / 19.2) 0;
  }
}

@media (max-width: 768px) {
  header {
    height: calc(800vw / 9.6);
    max-height: none;
  }

  header .carousel {
    height: calc(800vw / 9.6);
    max-height: none;
  }

  /** 边距类 **/
  main>.container .mb-30vw {
    margin-bottom: calc(30vw / 9.6);
  }

  main>.container .mb-60vw {
    margin-bottom: calc(60vw / 9.6);
  }

  main>.container .mb-90vw {
    margin-bottom: calc(90vw / 9.6);
  }

  main>.container .mb-100vw {
    margin-bottom: calc(100vw / 9.6);
  }

  /** 产品列表等卡片 **/
  main>.container .product-cards {
    padding: 0;
  }

  main>.container .product-cards .product-item-group {
    width: 100%;
    height: auto;
    flex-direction: column !important;
  }

  main>.container .product-cards .product-item-group .product-item {
    width: 100%;
    height: calc(600vw / 10.7);
  }

  main>.container .product-cards .product-item-group .product-item:last-child {
    margin: 1rem 0 0;
  }

  main>.container .product-cards .product-head {
    padding: 1.25rem 0.5rem;
  }

  main>.container .product-list .p-nav-bar .nav {
    justify-content: start;
  }

  main>.container .product-list .product-carousel .carousel-item .d-flex {
    flex-direction: column-reverse;
  }

  main>.container .product-list .product-carousel .product-image {
    flex: auto;
    height: calc(600vw / 9.6);
  }

  main>.container .product-list .product-carousel .product-intro {
    flex: auto;
    height: auto;
    position: relative;
  }

  main>.container .product-list .product-carousel .product-intro a {
    position: absolute;
    top: calc(100vw / 9.6);
    right: calc(60vw / 9.6);
  }

  main>.container .case {
    height: auto;
    flex-direction: column-reverse;
  }

  main>.container .case .case-nav {
    padding-left: 0;
    flex: auto;
  }

  main>.container .case .case-list {
    flex: auto;
    height: calc(650vw / 9.6);
    padding: calc(70vw / 9.6) 0 calc(40vw / 9.6) calc(35vw / 9.6);
  }

  main>.container .case .case-nav {
    padding: 0 calc(35vw / 9.6);
  }

  main>.container .case .case-nav h2 {
    font-size: calc(40vw / 9.6);
    margin: calc(30vw / 9.6) 0;
  }

  main>.container .case .case-nav .nav-pills {
    margin: 0;
  }

  main>.container .case .case-nav .nav-pills .nav-link {
    font-size: 6.666em;
    margin: calc(26vw / 9.6) calc(44vw / 9.6) calc(26vw / 9.6) 0;
  }

  main>.container .case .case-nav .tab-content {
    padding: 0;
  }

  main>.container .case .case-nav .tab-content h3 {
    font-size: 1.5rem;
    margin: calc(58vw / 9.6) 0 calc(10vw / 9.6);
  }

  main>.container .case .case-nav .p-nav-tool {
    display: none;
  }

  main>.container .case .case-list .case-list-tool {
    height: calc(80vw / 9.6);
  }

  main>.container .case .case-list .swiper-container .case-button-prev,
  main>.container .case .case-list .swiper-container .case-button-next {
    width: calc(80vw / 9.6);
    height: calc(80vw / 9.6);
  }

  main>.container .case .case-list .swiper-container .case-button-prev {
    left: 58%;
  }

  main>.container .case .case-list .swiper-container .case-button-next {
    left: 70.5%;
  }

  main .container .newsInformation {
    width: 100%;
    padding-left: calc(20vw / 11.2);
    padding-right: calc(20vw / 11.2);
  }

  main .container .newsInformation .newsInformation-inner .newsInformation-item {
    width: 46%;
  }

  main .container .newsInformation .newsInformation-inner .newsInformation-item>div {
    height: calc(200vw / 7.6);
  }

  main .container .need .need-box {
    width: 100%;
  }

  main .container .need .need-box ul li img {
    width: 80%;
    height: 80%;
  }

  /* main>.container .carousel-video .carousel-item .carousel-btn {
    transform: translateX(-50%) translateY(-50%);
  } */

  main .container .need .need-box ul li {
    width: 50% !important;
  }
}

@media (min-width: 40em) {

  /* Bump up size of carousel content */
  .carousel-caption p {
    margin-bottom: 1.25rem;
    font-size: 1.25rem;
    line-height: 1.4;
  }

  .featurette-heading {
    font-size: 50px;
  }
}

@media (min-width: 62em) {
  .featurette-heading {
    margin-top: 7rem;
  }
}