.bg-img {
  position: fixed;
  width: 100%;
  height: 100vh;
  object-fit: cover;
  opacity: 0;
}

.header-video {
  position: absolute;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
}
video {
  width:100%;
  height:100%;
  object-fit:cover;
}
#video {
  visibility: visible;
}
#video-img-container {
  visibility: hidden;
}
.video-text {
  position: absolute;
  width: var(--maxWidth);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  text-align: center;
  display: none;
}
.video-text-title {
  font-size: 2.625rem;
  font-weight: 400;
  line-height: 60px;
}
.video-text-desc {
  width: auto;
  min-height: 2.4rem;
  font-size: 1.375rem;
  font-weight: 400;
  letter-spacing: .3125rem;
}
.video-text-desc div {
  display: none;
}
.point {
  width: 10px;
  height: 10px;
  background: #D41B19;
  border-radius: 4px 0px 4px 0px;
  margin: 0 20px;
}
.header-scroll {
  position: absolute;
  bottom: 3.75rem;
  left: 50%;
  transform: translateX(-50%);
  cursor: pointer;
  animation: scroll-down 1.2s ease 0s infinite;
}
@keyframes scroll-down {
  from {
    bottom: 5rem;
    opacity: 0;
  }

  to {
    bottom: 3.75rem;
    opacity: 1;
  }
}
.about {
  position: relative;
  width: 100%;
  min-height: 21.25rem;
  background: linear-gradient(180deg, #3C3E4D 0%, #4B4E60 100%);
  border-radius: 0px 0px 120px 0px;
  color: #fff;
  padding: 45px 0;
}
.about-ani-1,
.about-ani-2,
.about-ani-3,
.social-ani-1,
.social-ani-2,
.social-ani-3,
.social-ani-4 {
  opacity: 0;
}
/* 从下往上动画 */
.down2Top-animated {
  opacity: 1;
  animation: down2Top-ani 1s ease;
}
@keyframes down2Top-ani {
  from {
    transform: translate(0, 100px);
    opacity: 0;
  }

  to {
    transform: translate(0, 0px);
    opacity: 1;
  }
}
/* 从下往上动画 */
.build-1-animated {
  opacity: 1;
  animation: build-1-animated-ani 1s ease;
}
@keyframes build-1-animated-ani {
  from {
    transform: translate(0, 1000px);
    opacity: 0;
  }

  to {
    transform: translate(0, 0px);
    opacity: 1;
  }
}
.mini-build-1,
.mini-build-2,
.mini-build-3,
.mini-new-social-text {
  display: none;
}
.new-social-text {
  display: block;
}
.ponint-title {
  font-size: 2rem;
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: 5px;
}
.ponint-title::before {
  content: '';
  width: 10px;
  height: 10px;
  background: #D41B19;
  border-radius: 4px 0px 4px 0px;
  margin: 0px 10px 27px 0;
  display: inline-block;
}
.about-desc {
  /* margin: 30px 0 40px 0; */
  margin: 30px 20px;
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 32px;
  text-align: center;
}
.about-desc span {
  display: none;
}
.more-btn {
  width: 150px;
  height: 40px;
  line-height: 40px;
  color: #fff;
  background: #D41B19;
  border-radius: 10px 0px 10px 0px;
  text-align: center;
  font-size: .875rem;
  font-weight: 400;
  cursor: pointer;
  transition: all .2s ease-out;
}
.more-btn:hover {
  box-shadow: 10px 10px 15px 1px rgba(0,0,0,0.16);
  transform: translate(0, -4px);
}

.gradient-bg {
  position: relative;
  width: 100%;
  height: 136rem;
  margin-top: 38.25rem;
  background: linear-gradient(180deg, #4B4E60, #8E8EA0, #4B4E60);
  display: flex;
  align-items: center;
  flex-direction: column;
}
.gradient-project {
  position: relative;
  width: var(--maxWidth);
}
.gradient-text {
  width: 100%;
  padding: 10% 0;
  color: #FFFFFF;
  opacity: 0;
}
.gradient-title {
  font-size: 50px;
  font-weight: 400;
  color: #FFFFFF;
}
.gradient-desc {
  font-size: 2rem;
  font-weight: 500;
}
.build-animated {
  animation: zoom 1s ease-in-out;
  opacity: 1;
}
@keyframes zoom {
  from {
    transform: scale(1.3);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}
.build-container {
  position: absolute;
  width: var(--maxWidth);
  height: 136rem;
  top: 0;
}
.build-1 {
  position: absolute;
  width: 66.3125rem;
  height: 48.5625rem;
  top: -13.375rem;
  left: -2%;
  opacity: 0;
}

.build-2-1 {
  position: absolute;
  width: 10.1875rem;
  height: 71.375rem;
  top: -30rem;
  right: 10%;
}
.build-2-2 {
  position: absolute;
  width: 6.5rem;
  height: 42.8125rem;
  top: 28rem;
  left: 10%;
}
.build-3 {
  position: absolute;
  width: 69.875rem;
  height: 37.3125rem;
  top: 48rem;
  right: -11%;
  opacity: 0;
}

.build-4 {
  position: absolute;
  width: 15.1875rem;
  height: 50.9375rem;
  bottom: 0;
  left: 7%;
  object-fit: contain;
}
.build-5 {
  position: absolute;
  width: 44.375rem;
  height: 11.6875rem;
  /* width: 40%;
  height: auto; */
  object-fit: cover;
  bottom: 0;
  right: -5%;
  object-position: top;
}

.gradient-card {
  width: var(--maxWidth);
  height: var(--gradientCardHeight);
}
.gradient-build-card {
  width: 34.375rem;
  /* height: 46.875rem; */
  /* background: #FFFFFF; */
  box-shadow: 20px 20px 30px 1px rgba(0,0,0,0.25);
  border-radius: 50px 0px 50px 0px;
  overflow: hidden;
  cursor: pointer;
}
.gradient-build-card:hover {
  box-shadow: 20px 20px 30px 1px rgba(0,0,0,0.4);
}
.card-container {
  width: 100%;
  height: 28.75rem;
  border-radius: 50px 0px 0 0px;
  -webkit-border-radius: 50px 0px 0 0px;
  overflow: hidden;
  /* transition: all 0.5s ease; */
}
.card-img {
  width: 100%;
  height: 100%;
  transition: all 1s ease;
  border-radius: 50px 0px 0 0px;
  -webkit-border-radius: 50px 0px 0 0px;
}
.gradient-build-card:hover .card-img {
  transform: scale(1.1);
  border-radius: 50px 0px 0 0px;
  -webkit-border-radius: 50px 0px 0 0px;
}
.gradient-build-card:hover .more-btn {
  box-shadow: 10px 10px 15px 1px rgba(0,0,0,0.16);
  transform: translate(0, -4px);
}
.card-text {
  width: 100%;
  /* height: 290px; */
  color: #242424;
  background-color: #fff;
  padding: 25px 0;
}
.card-title {
  width: 90%;
  font-size: 24px;
  line-height: 26px;
  margin: 0 5%;
}
.card-desc {
  width: 90%;
  /* height: 140px; */
  font-size: 18px;
  line-height: 32px;
  margin: 8px 5% 20px;
  text-align: justify;
}
/* .card-1 {
  position: absolute;
  top: -60px;
  right: 0;
  opacity: 0;
}
.card-2 {
  position: absolute;
  top: var(--card2Top);
  left: 0;
  opacity: 0;
} */
.news {
  width: 100%;
  height: 820px;
  opacity: 0;
}
.mini-news-list {
  display: none;
}
.news-title {
  margin-bottom: 45px;
}
.news-list {
  position: relative;
  width: 100%;
  height: auto;
}
.news-item {
  position: relative;
  width: 340px;
  height: 370px;
  margin-left: 30px;
  background: #FFFFFF;
  box-shadow: 10px 10px 20px 1px rgba(0,0,0,0.25);
  border-radius: 20px 0px 20px 0px;
  cursor: pointer;
  overflow: hidden;
}
.news-item-hover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(5, 5, 5, 0.8);
  z-index: 1;
  font-size: 1.125rem;
  color: #fff;
  cursor: pointer;
  padding: 25px 20px;
  line-height: 28px;
  opacity: 0;
  /* transform: translate3d(0px, 0px, 0px) translateZ(0px); */
}
.new-item-ani-1 {
  transform: translate3d(0px, 0px, 0px) translateZ(0px);
  animation: hover-show-ani .8s ease;
  opacity: 1;
}
@keyframes hover-show-ani {
  from {
    transform: translate3d(0px, 300px, 0px) translateZ(0px);
    opacity: 0;
  }

  to {
    border-radius: 20px 0px 20px 0px;
    transform: translate3d(0px, 0px, 0px) translateZ(0px);
    opacity: 1;
  }
}
.new-item-ani-2 {
  transform: translate3d(0px, 300px, 0px) translateZ(0px);
  animation: hover-hide-ani .8s ease;
  opacity: 0;
}
@keyframes hover-hide-ani {
  from {
    border-radius: 20px 0px 20px 0px;
    transform: translate3d(0px, 0px, 0px) translateZ(0px);
    opacity: 1;
  }

  to {
    transform: translate3d(0px, 300px, 0px) translateZ(0px);
    opacity: 0;
  }
}
.news-item-hover-title {
  width: 300px;
  min-height: 56px;
  font-weight: bold;
}
.news-item-hover-desc {
  width: 300px;
  min-height: 200px;
  display: block;
  overflow:hidden; 
  text-overflow:ellipsis;
  display:-webkit-box; 
  -webkit-box-orient:vertical;
  -webkit-line-clamp:7;
  padding-top: 1rem;
  border-top: 1px solid #777777;
  margin-top: 1rem;
  text-align: justify;
}
.news-item-img {
  width: 340px;
  height: 220px;
  border-radius: 20px 0px 20px 0px;
  object-fit: cover;
}

.news-item-content {
  width: 340px;
  height: 150px;
}

.news-item-title {
  font-size: 16px;
  width: 90%;
  font-weight: 600;
}
.news-item-red {
  color: #D41B19;
}
.news-item-yellow {
  color: #EF9D1A;
}
.news-item-date {
  color: #A5A5AA;
}
.news-item-desc {
  width: 90%;
  height: 50px;
  text-align: left;
  font-size: 18px;
  margin: 10px 0;
}
.news-item-icon {
  width: 90%;
  text-align: left;
  z-index: 2;
}
.news-btn {
  margin-top: 45px;
}

.swiper-container {
  width: 100%;
  height: 23.125rem;
}
.pagination {
  position: absolute;
  z-index: 20;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
}
.swiper-pagination-switch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 4px 0px 4px 0px;
  background: #D6D2D1;
  margin-right: 25px;
  /* cursor: pointer; */
}
.swiper-visible-switch {
  background: #D6D2D1;
}
.swiper-active-switch {
  background: #D41B19;
}

.social {
  position: relative;
  width: 100%;
  height: 48rem;
  /* background: linear-gradient(180deg, #4B4E60, #8E8EA0, #4B4E60); */
  /* background: url(/static/images/tree.png) no-repeat center 100%/cover; */
}
.social-bg {
  opacity: 0;
  object-position: 50% 50%;
}
.social-item {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.social-text {
  font-size: 1.125rem;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 32px;
  text-align: center;
  text-shadow: 0px 0px 5px #000000;
}
.mini-social-item {
  display: flex;
  justify-content: flex-start;
}
.mb30 {
  margin-bottom: 1.875rem;
}
.panorama {
  position: relative;
  width: 100%;
  height: 18.125rem;
  background: linear-gradient(180deg, #4A4B57, #646573);
  
}
.panorama img {
  position: absolute;
  width: var(--maxWidth);
  height: 100%;
  object-fit: cover;
  opacity: 0;
}
.panorama-img {
  animation: panorama-ani 1s ease;
  opacity: 1 !important;
}
@keyframes panorama-ani {
from {
  top: 150px;
  opacity: 0;
}

to {
  top: 0;
  opacity: 1;
}
}
.swiper-pagination-switch:last-child{
  margin-right: 0;
}


#video-img-container {
  width: 100%;
  height: 100%;
}
#video-img-container img {
  width:100%; 
  height:100%; 
  -o-object-fit:cover;
  object-fit:cover;
  object-position: center;
}

@media screen and (min-width: 0px) and (max-width: 768px) {
  .build-2-1,
  .build-2-2,
  .swiper-container,
  .new-social-text {
    display: none;
  }
  .mini-new-social-text {
    width: 100%;
    display: block;
  }
  
  #video {
    visibility: hidden;
  }
  #video-img-container {
    visibility: visible;
  }
  .video-text-title {
    font-size: 1.875rem;
  }
  .video-text-desc {
    font-size: 1rem;
  }
  .mini-video-content {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
  }
  .mini-video-bg {
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    overflow: hidden;
  }
  .about {
    height: 28rem;
  }
  .about-desc {
    font-size: 16px;
    margin: 30px 20px;
    text-align: justify;
  }
  .about-desc span {
    display: contents;
  }
  .bg-img {
    object-position: 70% 0;
  }
  .gradient-bg, .build-container {
    height: 200rem;
  }
  .gradient-text {
    padding: 20% 0 0 5%;
  }
  .gradient-title {
    font-size: 36px;
  }
  .gradient-desc {
    font-size: 26px;
  }

  .build-1 {
    width: 38rem;
    height: 26rem;
    top: -11.5rem;
    left: -5%;
    object-fit: cover;
  }
  .build-3 {
    width: 32.875rem;
    height: 17rem;
    right: -10%;
    top: 52rem;
  }
  .build-4 {
    width: 4.75rem;
    height: 16.375rem;
    left: 9%;
    top: 105rem;
  }
  .build-5 {
    width: 22.1875rem;
    height: 5.6875rem;
  }
  .mini-build-1 {
    position: absolute;
    width: 31px;
    height: 259px;
    top: 4.25rem;
    right: 8%;
    object-fit: cover;
    display: block;
  }
  .mini-build-2 {
    position: absolute;
    width: 31px;
    height: 259px;
    top: 41rem;
    right: 16%;
    object-fit: cover;
    display: block;
  }
  .mini-build-3 {
    position: absolute;
    width: 43px;
    height: 324px;
    top: 90rem;
    right: 24%;
    object-fit: cover;
    display: block;
  }
  .gradient-card {
    display: flex;
    justify-content: center;
  }
  
  .gradient-build-card {
    width: 90%;
    /* height: 610px; */
    height: auto;
  }
  .card-container {
    height: 290px;
  }
  .card-1 {
    position: absolute;
    top: 230px;
    opacity: 0;
  }
  .card-2 {
    position: absolute;
    top: 65rem;
    opacity: 0;
  }
  .card-text {
    /* height: 320px; */
    height: auto;
  }
  .card-title {
    font-size: 1.25rem;
  }
  .card-desc {
    /* height: 172px; */
    height: auto;
    font-size: 1rem;
    -webkit-line-clamp: 4;
  }

  .news {
    height: auto;
    margin-top: 30rem;
  }
  .mini-news-list {
    position: relative;
    width: var(--maxWidth);
    display: flex;
    align-items: center;
    flex-direction: column;
  }
  .news-item {
    width: 90%;
    margin-left: 0;
    margin-bottom: 20px;
  }
  .news-item-img {
    width: 100%;
  }
  .news-item-content {
    width: 100%;
  }
  .news-title {
    margin-bottom: 30px;
  }
  .news-btn {
    margin-top: 10px;
  }
  .ponint-title {
    font-size: 26px;
  }
  .ponint-title::before {
    width: 6px;
    height: 6px;
    border-radius: 2px 0px 2px 0px;
    margin: 0px 6px 20px 0;
  }
  .social-text {
    font-size: 14px;
    margin: 0 10% 20px 10%;
  }
  .point {
    width: 6px;
    height: 6px;
    border-radius: 2px 0px 2px 0px;
  }
  .mini-social-item {
    display: flex;
    justify-content: center;
    flex-direction: column;
  }

  .panorama {
    height: 6.875rem;
  }
}

@media screen and (min-width: 769px) and (max-width: 959px) {
  .card-1 {
    position: absolute;
    top: -60px;
    right: 0;
    opacity: 0;
  }
  .card-2 {
    position: absolute;
    top: var(--card2Top);
    left: 0;
    opacity: 0;
  }
}

@media screen and (min-width: 960px) and (max-width: 1399px) {
  .card-1 {
    position: absolute;
    top: -60px;
    right: 0;
    opacity: 0;
  }
  .card-2 {
    position: absolute;
    top: var(--card2Top);
    left: 0;
    opacity: 0;
  }
}

@media screen and (min-width: 1400px) and (max-width: 1900px) {
  .card-1 {
    position: absolute;
    top: -60px;
    right: 0;
    opacity: 0;
  }
  .card-2 {
    position: absolute;
    top: var(--card2Top);
    left: 0;
    opacity: 0;
  }
}
@media screen and (min-width: 1901px) and (max-width: 5000px) {
  .card-1 {
    position: absolute;
    top: -60px;
    right: 0;
    opacity: 0;
  }
  .card-2 {
    position: absolute;
    top: var(--card2Top);
    left: 0;
    opacity: 0;
  }
}