/* 数字新基建 */
h2 {
  margin-bottom: 10px;
}

h2,
h3 {
  line-height: 1;
}

.section {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.product-section {
  width: 100%;
  padding-bottom: 56.25%;
}

.product-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: url("../image/b6f91430-01ac-4e06-88a7-c277732ee54e.jpg");
  background-size: cover;
  background-repeat: no-repeat;
}

.product-img {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
}

.banner {
  margin-bottom: 10px;
}

.banner .text-box {
  position: absolute;
  width: 34.3%;
  top: 38.7%;
  left: 52%;
  text-align: left;
}

.banner .product-title {
  color: #fff;
  margin-top: 40px;
  line-height: 1.4;
}

.banner .product-intro {
  color: #fff;
  line-height: 1;
  margin-top: 10px;
}

.banner .product-desc {
  color: rgba(255, 255, 255, 0.5);
  margin-top: 30px;
  line-height: 1.5;
}

.banner .crumbs {
  color: rgba(255, 255, 255, 0.3);
  font-size: 20px;
}

.banner .crumbs a {
  color: rgba(255, 255, 255, 0.3);
}

.section-features {
  margin-bottom: 10px;
}

.section-features .content-box {
  position: absolute;
  color: #fff;
  width: 44.8%;
  left: 43.75%;
  top: 17.5%;
}

.section-features .content-box .title-box h2 {
  white-space: nowrap;
}

.section-features .content-box .features-list-wrap {
  padding-top: 9%;
  width: 100%;
}

.section-features .content-box .features-list {
  float: left;
  width: 46.5%;
  margin-right: 7%;
}

.section-features .content-box .features-list:nth-child(2) {
  margin-right: 0;
}

.section-features .content-box .features-list .item {
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: 25px 20px;
  box-sizing: border-box;
  line-height: 1;
  position: relative;
}

.section-features .content-box .features-list .item .features-title {
  cursor: pointer;
  transition: all .3s;
}

.section-features .content-box .features-list .item .features-title .arrow-btn {
  color: #f4f4f4;
  position: absolute;
  right: 20px;
  top: 25px;
  float: right;
  font-size: 20px;
  transform: rotate(-90deg);
  transition: all .3s;
}

.section-features .content-box .features-list .item .sub-list {
  max-height: 0;
  overflow: hidden;
  transition: all .3s;
}

.section-features .content-box .features-list .item .sub-list .sub-item {
  margin-top: 20px;
}

.section-features .content-box .features-list .item .sub-list .sub-item:nth-child(1) {
  margin-top: 30px;
}

.section-features .content-box .features-list .item .sub-list li {
  margin-left: 20px;
  list-style-type: initial;
}

.section-features .content-box .features-list .item.open .features-title {
  color: #3478f4;
}

.section-features .content-box .features-list .item.open .sub-list {
  max-height: 500px;
}

.section-features .content-box .features-list .item.open .arrow-btn {
  transform: rotate(90deg);
}

.section-advantage {
  color: #fff;
}

.section-advantage .title-box {
  position: absolute;
  top: 9.25%;
  left: 6.25%;
  width: 35%;
}

.section-advantage .advantage-list {
  position: absolute;
  right: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  width: 60%;
  height: 100%;
  background: #000;
}

.section-advantage .advantage-list .advantage-item {
  width: 100%;
  min-height: 16.66%;
  font-size: 22px;
  padding: 4% 0 4% 20.4%;
  box-sizing: border-box;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
}

.section-advantage .advantage-list .advantage-item:last-child {
  border-bottom: 0;
}

.section-advantage .advantage-list .advantage-item:hover {
  background-color: #12439e;
}

.section-advantage .advantage-list .advantage-item:hover .icon {
  opacity: 1;
}

.section-advantage .advantage-list .advantage-item:hover .right .item-desc {
  color: #fff;
}

.section-advantage .advantage-list .advantage-item .right {
  width: 50%;
  flex: 1;
}

.section-advantage .advantage-list .advantage-item .right .item-desc {
  width: 500px;
  max-width: 95%;
  min-width: 55%;
  line-height: 1.4;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.3);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.section-advantage .advantage-list .icon {
  width: 50px;
  margin-right: 5%;
  opacity: .3;
  vertical-align: middle;
  transition: all .3s;
}

.section-scenarios {
  color: #333;
}

.section-scenarios .content-wrap {
  width: 1400px;
  margin: 0 auto;
  max-width: 90%;
  padding: 6.25% 0 7.8%;
}

.section-scenarios .title-box {
  text-align: center;
}

.section-scenarios .list-box {
  width: 100%;
  margin-top: 50px;
}

.section-scenarios .list-box .scenarios-list {
  width: 100%;
  overflow: hidden;
  border: 1px solid #e5e5e5;
  border-bottom: 0;
  border-left: 0;
}

.section-scenarios .list-box .scenarios-item {
  float: left;
  width: 33.33%;
  padding: 10% 0 8%;
  text-align: center;
  border-left: 1px solid #e5e5e5;
  border-bottom: 1px solid #e5e5e5;
  box-sizing: border-box;
}

.section-scenarios .list-box .scenarios-item:hover {
  background-color: #12439e;
  color: #fff;
}

.section-scenarios .list-box .scenarios-item:hover .black {
  opacity: 0;
}

.section-scenarios .list-box .scenarios-item:hover .white {
  opacity: 1;
}

.section-scenarios .list-box .scenarios-item .icon-wrap {
  position: relative;
  z-index: 1;
  display: inline-block;
  width: 100px;
  height: 100px;
  background-size: 100%;
  overflow: hidden;
}

.section-scenarios .list-box .scenarios-item .black {
  opacity: 1;
}

.section-scenarios .list-box .scenarios-item .white {
  opacity: 0;
}

.section-scenarios .list-box .scenarios-item .icon {
  position: absolute;
  left: 0;
  right: 0;
  width: 100%;
  height: 100%;
  transition: none;
}

.section-scenarios .list-box .scenarios-item .text {
  display: block;
  width: 100%;
  margin-top: 10px;
}

.section-projects {
  width: 100%;
  overflow: hidden;
}

.section-projects .bg {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: url("../image/bg1.jpg");
  background-size: cover;
  z-index: -1;
}

.section-projects .content-wrap {
  color: #fff;
  width: 1440px;
  max-width: 90%;
  margin: 0 auto;
  padding-top: 4.1%;
}

.section-projects .project-swiper {
  overflow: visible;
  padding-bottom: 5%;
}

.section-projects .page-box {
  position: absolute;
  left: 0;
  top: 80%;
  width: 1400px;
  left: 50%;
  max-width: 90%;
  transform: translateX(-50%);
  z-index: 111;
}

.section-projects .page-box .page-wrap {
  width: 100%;
  position: relative;
}

.section-projects .page-box .page-btn {
  width: 50px;
  height: 50px;
  border: 1px solid #fff;
  text-align: center;
  border-radius: 50%;
  line-height: 50px;
  position: relative;
  float: left;
  cursor: pointer;
}

.section-projects .page-box .page-btn.swiper-button-disabled {
  border-color: rgba(255, 255, 255, 0.3);
}

.section-projects .page-box .page-btn.swiper-button-disabled .arrow {
  opacity: .3;
}

.section-projects .page-box .page-btn .arrow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: none;
}

.section-projects .page-box .page-btn.prev-btn {
  transform: rotate(180deg);
}

.section-projects .page-box .page-btn.next-btn {
  margin-left: 10px;
}

.section-projects .project-list {
  width: 1440px;
  max-width: 90%;
  margin: 0 auto;
  padding: 4.8% 0;
}

.section-projects .project-list::after {
  clear: both;
}

.section-projects .project-list .project-item {
  width: 33.33%;
  float: left;
  position: relative;
}

.section-projects .project-list .project-item:nth-child(2)::before {
  content: '';
  position: absolute;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.3);
  height: 1000%;
  top: -400%;
  left: 0;
  z-index: 1;
}

.section-projects .project-list .project-item:nth-child(2)::after {
  content: '';
  position: absolute;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.3);
  height: 1000%;
  top: -400%;
  right: 0;
  z-index: 1;
}

.section-projects .project-list .project-item:nth-child(2) .item-wrap {
  padding-top: 70%;
}

.section-projects .project-list .project-item .item-wrap {
  display: block;
  width: 100%;
}

.section-projects .project-list .project-item .item-wrap:hover img {
  transform: scale(1.2);
}

.section-projects .project-list .project-item .img-wrap {
  width: 100%;
  padding-bottom: 55.8%;
  overflow: hidden;
  position: relative;
}

.section-projects .project-list .project-item img {
  position: absolute;
  width: 100%;
}

.section-projects .project-list .project-item .p-title {
  color: #fff;
  width: 100%;
  box-sizing: border-box;
  padding: 10px 10px;
}

.section-product {
  width: 100%;
  overflow: hidden;
}

.section-product .product-list-wrap {
  width: 1680px;
  max-width: 95%;
  float: right;
  padding: 6.25% 0 7.8%;
  overflow: hidden;
}

.section-product .product-list-wrap .product-list {
  width: auto;
  display: flex;
}

.section-product .product-list-wrap .product-list .item {
  float: left;
  position: relative;
  width: 476px;
  margin-left: 10px;
}

.section-product .product-list-wrap .product-list .item:first-child {
  margin-left: 0;
}

.section-product .product-list-wrap .product-list .img-box {
  width: 100%;
  padding-bottom: 113.15%;
  overflow: hidden;
}

.section-product .product-list-wrap .product-list .img-box img {
  position: absolute;
  width: 100%;
  height: 100%;
}

.section-product .product-list-wrap .product-list .product-info {
  position: absolute;
  color: #666;
  right: 40px;
  bottom: 30px;
}

.section-product .mCSB_horizontal > .mCSB_container {
  margin-bottom: 50px;
}

.section-product .mCSB_scrollTools .mCSB_dragger .mCSB_dragger_bar {
  background: #9e9e9e;
}

.section-product .mCSB_horizontal > .mCSB_scrollTools .mCSB_draggerRail {
  background: #ebebeb;
  height: 1px;
}

@media all and (max-width: 1600px) {
  .section-advantage .title-box {
    top: 7.25%;
    width: 34%;
  }
  .product-section {
    padding-bottom: 62.25%;
  }
}

@media all and (max-width: 1000px) {
  .banner .text-box {
    width: 45.3%;
    top: 23.7%;
  }
  .product-section {
    padding-bottom: 66.25%;
  }
  .section-advantage .title-box {
    left: 4.25%;
  }
  .section-advantage .advantage-list .icon {
    width: 45px;
  }
  .section-advantage .advantage-list .advantage-item {
    padding: 2% 0 2% 11.4%;
  }
  .section-advantage .advantage-list .advantage-item .right .item-desc {
    margin-top: 10px;
  }
}

@media all and (max-width: 768px) {
  .product-img {
    width: 110%;
    left: -5%;
  }
  .product-section {
    padding-bottom: 100%;
  }
  .banner .text-box {
    width: 90%;
    left: 5%;
    top: 5%;
  }
  .banner .crumbs {
    font-size: 12px;
  }
  .banner .product-title {
    margin-top: 10px;
  }
  .banner .product-desc {
    margin-top: 15px;
  }
  .title-box h2 {
    font-size: 24px;
  }
  .title-box h3 {
    font-size: 14px;
  }
  .section-features .title-box h2 {
    margin-bottom: 20px;
  }
  .section-features .product-section {
    padding-bottom: 130%;
  }
  .section-features .content-box {
    width: 90%;
    left: 5%;
    top: 5%;
  }
  .section-features .content-box .features-list-wrap {
    font-size: 12px;
    width: 50%;
    float: right;
    padding-top: 0;
  }
  .section-features .content-box .features-list {
    width: 100%;
  }
  .section-features .content-box .features-list .item {
    padding: 10px;
  }
  .section-features .content-box .features-list .item .features-title .arrow-btn {
    font-size: 16px;
    top: 10px;
    right: 10px;
  }
  .section-features .content-box .features-list .item .sub-list {
    font-size: 12px;
  }
  .section-features .content-box .features-list .item .sub-list .sub-item {
    margin-top: 10px;
  }
  .section-features .content-box .features-list .item .sub-list .sub-item:nth-child(1) {
    margin-top: 15px;
  }
  .section-advantage .title-box {
    width: 40%;
  }
  .section-advantage .title-box h2 {
    margin-bottom: 10px;
  }
  .section-advantage .advantage-list {
    display: flex;
    flex-direction: column;
  }
  .section-advantage .advantage-list .advantage-item {
    flex: 1;
    padding-left: 10px;
  }
  .section-advantage .advantage-list .advantage-item .right .item-title {
    font-size: 12px;
  }
  .section-advantage .advantage-list .advantage-item .right .item-desc {
    max-width: 95%;
    margin-top: 5px;
    font-size: 12px;
  }
  .section-advantage .advantage-list .advantage-item span {
    display: inline-block;
  }
  .section-advantage .advantage-list .icon {
    width: 20px;
    margin-right: 5px;
  }
  .section-scenarios .list-box .scenarios-item .icon-wrap {
    width: 50px;
    height: 50px;
  }
  .section-projects .project-list .project-item:nth-child(2)::before {
    display: none;
  }
  .section-projects .project-list .project-item:nth-child(2)::after {
    display: none;
  }
  .section-projects .page-box .page-btn {
    width: 25px;
    height: 25px;
  }
  .section-projects .page-box .page-btn .arrow {
    width: 6px;
    margin-left: 2px;
  }
  .section-product .product-list-wrap .product-list .item {
    width: 300px;
  }
  .section-product .product-list-wrap .product-list .product-info {
    right: 10px;
  }
}