@media (max-width: 992px) {
  html {
    font-size: 20px;
  }
}
@media (max-width: 512px) {
  html {
    font-size: 10px;
  }
}
@keyframes a-fadeIn-bottom {
  from {
    opacity: 0;
    transform: translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.mainCont .df {
  display: flex;
  flex-wrap: wrap;
}
.mainCont .box-banner {
  height: 500px;
  background: -moz-linear-gradient(left, #171924, #141C33);
  background: -webkit-linear-gradient(left, #171924, #141C33);
  background: -o-linear-gradient(left, #171924, #141C33);
  background: -ms-linear-gradient(left, #171924, #141C33);
  background: linear-gradient(to right, #171924, #141C33);
  display: flex;
  justify-content: flex-start;
  align-items: center;
  overflow: hidden;
}
.mainCont .box-banner img {
  left: 50%;
  transform: translateX(-50%);
  top: 0;
}
.mainCont .box-banner img.img-banner {
  display: block;
}
.mainCont .box-banner img.img-banner-m {
  display: none;
}
.mainCont .box-banner .box-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  animation: a-fadeIn-bottom 1s ease-in-out forwards;
}
.mainCont .box-banner .box-text::after {
  content: "";
  width: 78px;
  height: 4px;
  background-color: #fff;
  margin-top: 97px;
}
.mainCont .box-banner .box-text .banner-title {
  font-size: 48px;
  color: #fff;
  margin-bottom: 26px;
}
.mainCont .box-banner .box-text .banner-subTitle {
  font-size: 24px;
  color: rgba(223, 236, 255, 0.6);
}
.mainCont .box-banner .box-text .banner-subTitle p {
  display: inline-block;
  text-align: center;
}
.mainCont .mainCont-solution .solution-item {
  padding-top: 68px;
}
.mainCont .mainCont-solution .item-head .content-item {
  padding-left: 30px;
  height: 200px;
}
.mainCont .mainCont-solution .item-head .item-name {
  width: 460px;
  padding-top: 60px;
  padding-left: 30px;
  margin-right: 8%;
}
.mainCont .mainCont-solution .item-head .item-name:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 84px;
  height: 91px;
  background: url("../images/title-decorator.png");
  background-size: 100% 100%;
}
.mainCont .mainCont-solution .item-head .name-text {
  font-size: 44px;
  color: #313642;
}
.mainCont .mainCont-solution .item-head .name-text-en {
  top: 50px;
  left: 60px;
  font-size: 94px;
  color: #f3f3f3;
}
.mainCont .mainCont-solution .item-head .item-tab-box {
  justify-content: flex-end;
  flex-wrap: nowrap;
  transform: translateX(30px);
}
.mainCont .mainCont-solution .item-head .tab {
  flex: 0 0 18.333333%;
  cursor: pointer;
}
.mainCont .mainCont-solution .item-head .tab:hover .tab-icon .tab-icon-img, .mainCont .mainCont-solution .item-head .tab.active .tab-icon .tab-icon-img {
  display: none;
}
.mainCont .mainCont-solution .item-head .tab:hover .tab-icon .tab-icon-img.tab-icon-img-light, .mainCont .mainCont-solution .item-head .tab.active .tab-icon .tab-icon-img.tab-icon-img-light {
  display: block;
}
.mainCont .mainCont-solution .item-head .tab:hover .tab-text, .mainCont .mainCont-solution .item-head .tab.active .tab-text {
  color: #e94730;
}
.mainCont .mainCont-solution .item-head .tab:hover .tab-arrow, .mainCont .mainCont-solution .item-head .tab.active .tab-arrow {
  display: block;
}
.mainCont .mainCont-solution .item-head .tab-icon {
  width: 94px;
  height: 138px;
  margin: 0 auto;
}
.mainCont .mainCont-solution .item-head .tab-icon .tab-icon-img {
  width: 100%;
  height: 100%;
}
.mainCont .mainCont-solution .item-head .tab-icon .tab-icon-img.tab-icon-img-light {
  display: none;
}
.mainCont .mainCont-solution .item-head .tab-text {
  color: #171924;
  font-size: 22px;
  line-height: 1;
  width: 70px;
  margin: 0 auto;
  /*white-space: nowrap;*/
}
.mainCont .mainCont-solution .item-head .tab-arrow {
  width: 44px;
  height: 18px;
  background: url("../images/tab-arrow.png");
  background-size: 100% 100%;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: none;
}
.mainCont .mainCont-solution .item-box {
  padding-top: 68px;
  background: url("../images/contentBg.png") center no-repeat;
  background-size: cover;
}
.mainCont .mainCont-solution .item-box > .content-item {
  display: none;
}
.mainCont .mainCont-solution .item-box > .content-item.active {
  display: flex;
}
.mainCont .mainCont-solution .item-box-1 {
  height: 500px;
}
.mainCont .mainCont-solution .item-box-2 {
  height: 564px;
}
.mainCont .mainCont-solution .item-left-box {
  padding-left: 42px;
  line-height: 36px;
  height: 360px;
  overflow: auto;
  font-size: 18px;
  color: #171924;
  border-right: 1px solid #d7dbe1;
}
.mainCont .mainCont-solution .item-left-box .item-left-tab {
  cursor: pointer;
}
.mainCont .mainCont-solution .item-left-box .item-left-tab .item-left-text {
  max-width: 100%;
  overflow: hidden;
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.5;
  padding: 0 15% 0 0;
  margin: 8px 0;
}
.mainCont .mainCont-solution .item-left-box .item-left-tab .item-left-text:after {
  content: "";
  position: absolute;
  display: none;
  background: url("../images/item-left-arrow.png");
  background-size: 100% 100%;
  width: 8px;
  height: 15px;
  transform: translateY(-50%);
  left: 85%;
  top: 50%;
  margin-left: 10px;
}
.mainCont .mainCont-solution .item-left-box .item-left-tab:hover, .mainCont .mainCont-solution .item-left-box .item-left-tab.active {
  color: #e94730;
}
.mainCont .mainCont-solution .item-left-box .item-left-tab:hover .item-left-text:after, .mainCont .mainCont-solution .item-left-box .item-left-tab.active .item-left-text:after {
  display: block;
}
.mainCont .mainCont-solution .right-item {
  display: none;
}
.mainCont .mainCont-solution .right-item.active {
  display: flex;
}
.mainCont .mainCont-solution .right-content {
  padding-left: 10px;
  height: 360px;
  flex: 0 0 55%;
}
.mainCont .mainCont-solution .right-content .item-middle-title {
  font-size: 24px;
  color: #171924;
  line-height: 44px;
  margin-bottom: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.mainCont .mainCont-solution .right-content .item-middle-content {
  color: #6e727d;
  font-size: 16px;
  line-height: 30px;
  margin-bottom: 32px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 8;
  -webkit-box-orient: vertical;
}
.mainCont .mainCont-solution .right-content .item-middle-button {
  display: block;
  width: 140px;
  height: 46px;
  font-size: 16px;
  line-height: 44px;
  color: #fff;
  text-align: center;
  background: #ea4731;
  border: 1px solid transparent;
}
.mainCont .mainCont-solution .right-content .item-middle-button:hover {
  border-color: transparent;
  background: #fff;
  color: #ea4731;
  border-color: #ea4731;
}
.mainCont .mainCont-solution .right-content .item-middle-button .middle-arrow {
  margin-left: 8px;
  width: 20px;
  height: 8px;
  background: url("../images/arrow-white.png");
  background-size: 100% 100%;
  vertical-align: 2px;

}
.mainCont .mainCont-solution .right-content .item-middle-button:hover .middle-arrow {
  background: url("../images/main-2-arrow.png");
  background-size: 100% 100%;
}
.mainCont .mainCont-solution .item-right-box {
  min-height: 360px;
}
.mainCont .mainCont-solution .item-right-box .item-img-box {
  width: 316px;
  height: 240px;
  border: 6px solid #fff;
  margin-top: 36px;
  margin-left: 55px;
}
.mainCont .mainCont-solution .item-right-box .item-img {
  width: 304px;
  height: 228px;
}
.mainCont .mainCont-solution .m-tab-box {
  display: none;
}
.mainCont .content-title {
  text-align: center;
  display: none;
}
.mainCont .content-title .title-text {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 34px;
  color: #313642;
  line-height: 52px;
}
.mainCont .content-title .title-text:before {
  content: "";
  width: 96px;
  height: 2px;
  margin-right: 30px;
  background: #ea4731;
}
.mainCont .content-title .title-text:after {
  content: "";
  width: 96px;
  height: 2px;
  margin-left: 30px;
  background: #ea4731;
}
.mainCont .content-title .title-en {
  font-size: 20px;
  color: #9b9c9f;
}

@media (max-width: 992px) {
  .mainCont .box-banner {
    height: 90.6666666667vw;
    background-color: transparent;
    display: flex;
    align-items: flex-start;
    overflow: hidden;
  }
  .mainCont .box-banner img {
    width: 100%;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
  }
  .mainCont .box-banner img.img-banner {
    display: none;
  }
  .mainCont .box-banner img.img-banner-m {
    display: block;
  }
  .mainCont .box-banner .box-text {
    margin-top: 8.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: a-fadeIn-bottom 1s ease-in-out forwards;
  }
  .mainCont .box-banner .box-text::after {
    display: none;
  }
  .mainCont .box-banner .box-text .banner-title {
    position: relative;
    font-size: 2.4rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 2.9333333333vw;
  }
  .mainCont .box-banner .box-text .banner-title::after {
    content: "";
    position: absolute;
    top: 8.9rem;
    left: 50%;
    transform: translateX(-50%);
    width: 5.7rem;
    height: 0.25rem;
    background-color: #fff;
    margin-top: 2.45rem;
  }
  .mainCont .box-banner .box-text .banner-subTitle {
    font-size: 1.5rem;
    color: rgba(223, 236, 255, 0.6);
  }
  .mainCont .box-banner .box-text .banner-subTitle p {
    display: block;
    text-align: center;
  }
  .mainCont .mainCont-solution .solution-item {
    padding-top: 4.4rem;
  }
  .mainCont .mainCont-solution .item-head {
    display: none;
  }
  .mainCont .mainCont-solution .item-img-box {
    display: none;
  }
  .mainCont .mainCont-solution .item-box {
    padding-top: 2.1rem;
    background: #fafafb;
  }
  .mainCont .mainCont-solution .item-box > .content-item {
    display: none;
  }
  .mainCont .mainCont-solution .item-box > .content-item.active {
    display: flex;
  }
  .mainCont .mainCont-solution .item-box-1 {
    height: 31.5rem;
  }
  .mainCont .mainCont-solution .item-box-2 {
    height: 31.5rem;
  }
  .mainCont .mainCont-solution .item-left-box {
    flex: 0 0 33.3%;
    max-width: 33.3%;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    line-height: 2;
    height: 27.3rem;
    font-size: 1.2rem;
  }
  .mainCont .mainCont-solution .item-left-box .item-left-tab {
    white-space: nowrap;
    cursor: pointer;
  }
  .mainCont .mainCont-solution .item-left-box .item-left-tab .item-left-text {
    width: 85%;
    padding-right: 0;
  }
  .mainCont .mainCont-solution .item-left-box .item-left-tab .item-left-text:after {
    width: 0.4rem;
    height: 0.75rem;
    margin-left: 0.5rem;
  }
  .mainCont .mainCont-solution .item-left-box .item-left-tab:hover {
    color: #171924;
  }
  .mainCont .mainCont-solution .item-left-box .item-left-tab:hover .item-left-text:after {
    display: none;
  }
  .mainCont .mainCont-solution .item-left-box .item-left-tab.active {
    color: #e94730;
  }
  .mainCont .mainCont-solution .item-left-box .item-left-tab.active .item-left-text:after {
    display: block;
  }
  .mainCont .mainCont-solution .right-item {
    display: none;
  }
  .mainCont .mainCont-solution .right-item.active {
    display: flex;
  }
  .mainCont .mainCont-solution .right-content {
    padding-left: 0.5rem;
    height: 27.3rem;
    flex: 0 0 96%;
  }
  .mainCont .mainCont-solution .right-content .item-middle-title {
    font-size: 1.4rem;
    line-height: 1.5;
    margin-bottom: 1.3rem;
  }
  .mainCont .mainCont-solution .right-content .item-middle-content {
    font-size: 1.2rem;
    line-height: 1.5;
    margin-bottom: 1.6rem;
  }
  .mainCont .mainCont-solution .right-content .item-middle-button {
    width: 7rem;
    height: 2.7rem;
    line-height: 2.7rem;
    font-size: 1rem;
  }
  .mainCont .mainCont-solution .right-content .item-middle-button:hover {
    border-color: transparent;
    color: #fff;
    background: #ea4731;
  }
  .mainCont .mainCont-solution .right-content .item-middle-button .middle-arrow {
    margin-left: 0.4rem;
    width: 1rem;
    height: 0.4rem;
    vertical-align: 0.1rem;
  }
  .mainCont .mainCont-solution .right-content .item-middle-button:hover .middle-arrow {
    background: url("./../../images/index/arrow-white.png");
    background-size: 100% 100%;
  }
  .mainCont .mainCont-solution .item-right-box {
    min-height: auto;
    flex: 0 0 66.6%;
    max-width: 66.6%;
    height: 27.3rem;
    animation: none;
    opacity: 1;
  }
  .mainCont .mainCont-solution .m-tab-box {
    display: flex;
    padding: 0 2.6rem;
    font-size: 1.4rem;
    color: #6d6f76;
    line-height: 2;
    margin-top: 2.2rem;
    margin-bottom: 1.7rem;
  }
  .mainCont .mainCont-solution .m-tab-box .m-tab {
    margin: 0 1.15rem;
  }
  .mainCont .mainCont-solution .m-tab-box .m-tab.active {
    color: #313642;
  }
  .mainCont .mainCont-solution .m-tab-box .m-tab.active:after {
    content: "";
    bottom: 0;
    position: absolute;
    left: 0;
    right: 0;
    height: 0.2rem;
    background: #e94731;
  }
  .mainCont .mainCont-solution .content-title {
    display: block;
  }
  .mainCont .mainCont-solution .content-title .title-text {
    font-size: 2.1rem;
    color: #313642;
    line-height: 1.5;
  }
  .mainCont .mainCont-solution .content-title .title-text:before {
    display: none;
  }
  .mainCont .mainCont-solution .content-title .title-text:after {
    display: none;
  }
  .mainCont .mainCont-solution .content-title .title-en {
    font-size: 1rem;
    color: #9b9c9f;
  }
}