.container {
  position: relative;
}

.container>div {
  /* scroll-snap-align: start; */
}

.home {
  /*background: url("../img/banner.png");*/
  /*background-size: 100% 100%;*/
  height: 100vh;
  display: flex;
  flex-direction: column;
  /* justify-content: center; */
  align-items: center;
  position: relative;
}

.home .banner_video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.home .banner_img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}



.banner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: 4.675rem;
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 10;
}

.banner .title {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, 1);
}

.banner .title span {
  font-family: 'HarmonyOS Sans SC', sans-serif;
  font-weight: bold;
  font-size: 1.4rem;
  text-align: center;
}

.banner .more {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2.475rem;
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.375rem;
  color: #fff;
  width: 3.8rem;
  margin-top: 1rem;
  cursor: pointer;
}

.banner .more {
  font-size: .4rem;
}

.banner .more:hover {
  background: linear-gradient(to right, rgba(0, 89, 255, 1), rgba(0, 56, 177, 1));
}

/* 关于我们 */
.section {
  background: url('../img/section-bg.png');
  background-size: 100% 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 4rem;
}

.section-banner {
  display: flex;
  justify-content: space-between;
  margin-top: 4.4rem;
  position: relative;
}

.section .section-banner .title {
  display: flex;
  flex-direction: column;
}

.section .section-banner .title span {
  background: linear-gradient(to right, rgba(17, 23, 46, 1), rgba(55, 74, 148, 1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: bold;
  font-size: 1.3rem;
  font-weight: 700;
  font-family: 'HarmonyOS Sans SC', sans-serif;
}

.section .section-banner .about {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: 0.025rem solid rgba(51, 51, 51, 1);
  width: 3.8rem;
  height: 1.1rem;
  border-radius: 2.475rem;
  /* padding: 0.3rem 0.65rem; */
  justify-content: center;
  position: absolute;
  bottom: 0;
  right: 0;
  text-decoration: none;
  color: rgba(51, 51, 51, 1);
}

.section .section-banner .about {
  font-size: .4rem;
}

.section .section-banner .about img {
  width: .5rem;
  height: .5rem;
}

.section .section-banner .about:hover {
  cursor: pointer;
  background: linear-gradient(to right, rgba(0, 89, 255, 1), rgba(0, 56, 177, 1));
  border-style: none;
  color: #fff;
}

.section .section-banner .about .active {
  display: none;
}

.section .section-banner .about .normal {
  display: block;
}

.section .section-banner .about:hover .active {
  display: block;
}

.section .section-banner .about:hover .normal {
  display: none;
}


.section .imgs {
  display: flex;
  gap: 0.5rem;
  margin: 2.5rem 0;
  justify-content: space-around;
}

/* 图片放大缩小微交互和进入动画 */
.section .imgs .img {
  /*flex: 1;*/
  overflow: hidden;
  border-radius: 0.25rem;
  /* 初始下落效果设置 */
  transform: translateY(50px);
  opacity: 0;
  /*animation: fallIn 0.8s ease forwards;*/
  width: 17.5rem;
  height: 13.75rem;
  position: relative;
}

/* 滚动时添加的动画类 */
.section .imgs .img.animate {
  animation: fallIn 0.8s ease forwards;
}

.section .imgs .img img {
  width: 17.5rem;
  height: 13.75rem;
  transition: transform 0.3s ease;
}

.section .imgs .img .desc {
  position: absolute;
  bottom: 1.25rem;
  left: 1.175rem;
}

.section .imgs .img .desc span {
  display: block;
}

.section .imgs .img .desc span:first-child {
  font-size: .75rem;
  font-weight: 500;
  font-family: 'HarmonyOS Sans SC', sans-serif;
  color: rgba(255, 255, 255, 1);
  margin-bottom: .225rem;
}

.section .imgs .img .desc span:last-child {
  font-size: .6rem;
  font-weight: 300;
  font-family: 'HarmonyOS Sans SC', sans-serif;
  color: rgba(255, 255, 255, 1);
}

.section .imgs .img:hover img {
  transform: scale(1.05);
}

/* 图片进入页面的下落动画 */
@keyframes fallIn {
  0% {
    transform: translateY(1.25rem);
    opacity: 0;
  }

  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 为不同图片设置不同的动画延迟 */
.section .imgs .img:nth-child(1) {
  animation-delay: 0.1s;
}

.section .imgs .img:nth-child(2) {
  animation-delay: 0.2s;
}

.section .imgs .img:nth-child(3) {
  animation-delay: 0.3s;
}

.section .imgs .img:nth-child(4) {
  animation-delay: 0.4s;
}

/* 计划方案 */
.section.plan {
  padding-left: 0;
  padding-right: 0;
  width: 100%;
}

.section.plan .section-banner {
  margin-left: 4rem;
  margin-right: 4rem;
  margin-top: 2.5rem;
}

.section.plan .buttons {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.section.plan .buttons img {
  width: 1rem;
  height: 1rem;
}

.section.plan .buttons .prev-button， .section.plan .buttons .next-button {
  position: relative;
  width: 1rem;
  height: 1rem;
}

.section.plan .buttons .prev-button .hover {
  display: none;
}

.section.plan .buttons .prev-button:hover .normal {
  display: none;
}

.section.plan .buttons .prev-button:hover .hover {
  display: block;
  cursor: pointer;
}

.section.plan .buttons .next-button .hover {
  display: none;
}

.section.plan .buttons .next-button:hover .normal {
  display: none;
  cursor: pointer;
}

.section.plan .buttons .next-button:hover .hover {
  display: block;
  cursor: pointer;
}

.section .media_box {
    width: 83%;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.section .media_box .media_box_swiper {
    width: 100%;
}

.section .media {
  position: relative;
  width: 100%;
}

.section .media video {
  width: 100%;
  margin-top: 2.5rem;
}

.section .media .desc {
  background: linear-gradient(to bottom, transparent 10%, #000);
  position: absolute;
  bottom: 0;
  width: 100%;
}

.section .media .desc .title {
  color: #fff;
  padding: 0 4rem;
  display: flex;
  flex-direction: column;
}

.section .media .desc .title span:first-child {
  font-size: 0.75rem;
  font-weight: 500;
}

.section .media .desc .title span:last-child {
  font-family: 'HarmonyOS Sans SC', sans-serif;
  font-weight: 300;
  font-size: 0.6rem;
}

.section .media .more-controls {
  display: flex;
  justify-content: space-between;
  padding: 0 4rem;
}

.section .media .more-controls .controls {
  display: flex;
  align-items: center;
  gap: .375rem;
}

.section .media .more-controls>div:first-child {
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
  margin: 1.125rem 0 2.5rem 0;
}

/* 媒体控制按钮 */
.section .media .more-controls>div:first-child img:first-child {
  display: block;
}

.section .media .more-controls>div:first-child img:last-child {
  display: none;
}

.section .media .more-controls>div:first-child:hover img:first-child {
  display: none;
}

.section .media .more-controls>div:first-child:hover img:last-child {
  display: block;
  cursor: pointer;
}

/* 确保 playing 图片不受影响 */
.section .media .more-controls .controls .play img.playing {
  position: static;
  width: 1rem;
  height: 1rem;
  margin: 0;
}

/* 为 swiper-banner 中的图片对添加悬停效果 */
.swiper-banner>div:last-child {
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
}

/* Swiper按钮 */
.swiper-banner>div:last-child img:first-child {
  display: block;
}

.swiper-banner>div:last-child img:last-child {
  display: none;
}

.swiper-banner>div:last-child:hover img:first-child {
  display: none;
}

.swiper-banner>div:last-child:hover img:last-child {
  display: block;
  cursor: pointer;
}

/* 为.button容器中的图片对添加悬停效果 */
.list-item .button {
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
}

/* 下落交换效果 - 列表项按钮 */
/* .list-item .button img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.list-item .button img:first-child {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.list-item .button img:last-child {
  opacity: 0;
  transform: translate(-50%, -50%) translateY(-10px);
} */

/* 当鼠标悬停在list-item上时显示active图片 */
.list-item .button img:first-child {
  display: block;
}

.list-item .button img:last-child {
  display: none;
}

.list-item:hover .button img:first-child {
  display: none;
}

.list-item:hover .button img:last-child {
  display: block;
  cursor: pointer;
}

.section .media .more-controls .controls .play {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-style: none;
}

.section .media .more-controls .controls .play span {
  display: none;
}

.section .media .more-controls .controls .play .playing {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  margin: 0;

}

.section .media .more-controls .controls .progress-box {
  background: rgba(255, 255, 255, 0.2);
  border-radius: .5rem;
  display: flex;
  align-items: center;
  height: 1rem;
  /* width: 3.5rem; */
  padding: 0 .25rem;
}

.section .media .more-controls .controls input[type=range] {
  /* -webkit-appearance: none; */
  height: .15rem;
  background: #ccc;
  border-radius: 0.075rem;
}

.section .media .more-controls .controls input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: .15rem;
  height: .15rem;
  background: rgba(0, 89, 255, 1);
  border-radius: 50%;
}

.section .media .more-controls .controls input[type=range]::before {
  content: "";
  width: 0.25rem;
  height: .25rem;
  border-radius: 50%;
}

/* 拓展场景 */
.section.expand {
  padding-left: 0;
  padding-right: 0;
  width: 100%;
}

.section.expand .section-banner {
  margin-left: 4rem;
  margin-right: 4rem;
  margin-top: 3.75rem;
}

.section.expand .buttons {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.section.expand .buttons img {
  width: 1rem;
  height: 1rem;
}

.section.expand .buttons .prev-button， .section.expand .buttons .next-button {
  position: relative;
  width: 1rem;
  height: 1rem;
}

.section.expand .buttons .prev-button .hover {
  display: none;
}

.section.expand .buttons .prev-button:hover .normal {
  display: none;
}

.section.expand .buttons .prev-button:hover .hover {
  display: block;
  cursor: pointer;
}

.section.expand .buttons .next-button .hover {
  display: none;
}

.section.expand .buttons .next-button:hover .normal {
  display: none;
  cursor: pointer;
}

.section.expand .buttons .next-button:hover .hover {
  display: block;
  cursor: pointer;
}

.swiper-box {
  display: flex;
  align-items: center;
  gap: 1.575rem;
}

.swiper-box .swiper {
  margin-top: 1.25rem;
  width: 100%;
  height: 100%;
}

.swiper-box .swiper-container {
  width: 100%;
  height: 100%;
  /* overflow: hidden; */
}

.swiper-box .swiper-wrapper {
  width: 100%;
  height: 100%;
}

.swiper-box .swiper-slide {
  width: 35rem;
  height: 17.5rem;
  position: relative;
  /* overflow: hidden; */
  /* border-radius: .25rem; */
}

.swiper-box .swiper-slide img {
  width: 100%;
  height: 17.5rem;
  /* border-radius: .25rem; */
  object-fit: cover;

  /* 保持图片比例并覆盖整个容器 */
}

/*.swiper-box .swiper-slide .swiper-banner {*/
/*  background: linear-gradient(to bottom, transparent 10%, rgba(0, 0, 0, 1) 90%);*/
/*  position: absolute;*/
/*  bottom: 0;*/
/*  left: 0;*/
/*  right: 0;*/
/*  z-index: 10;*/
/*  max-height: 5.075rem;*/
/*  padding: .5rem 1.25rem;*/
/*  text-align: start;*/
/*  display: flex;*/
/*  justify-content: space-between;*/
/*  align-items: center;*/
/*  color: #fff;*/
/*  box-sizing: border-box;*/
/*}*/

/*.swiper-box .swiper-slide .swiper-banner img {*/
/*  height: 1.25rem;*/
/*  width: 1.25rem;*/
/*}*/

/*.swiper-box .swiper-slide .swiper-banner .info span {*/
/*  font-family: 'HarmonyOS Sans SC', sans-serif;*/
/*  font-weight: 500;*/
/*  display: block;*/
/*  font-size: .75rem;*/
/*}*/

.swiper-box .swiper-slide .swiper-banner {
  background: linear-gradient(to bottom, transparent 10%, rgba(0, 0, 0, 1) 90%);
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  border-radius: 0 0 .25rem .25rem;
  max-height: 5.075rem;
  padding: .5rem 1.25rem;
  text-align: start;
  display: flex;
  justify-content: space-between;
  align-items: center;

}

.swiper-box .swiper-slide .swiper-banner img {
  height: 1.25rem;
  width: 1.25rem;
}

.swiper-box .swiper-slide .swiper-banner a .normal {
  display: block;
}

.swiper-box .swiper-slide .swiper-banner a .active {
  display: none;
}

.swiper-box .swiper-slide .swiper-banner a:hover .normal {
  display: none;
}

.swiper-box .swiper-slide .swiper-banner a:hover .active {
  display: block;
}



.swiper-box .swiper-slide .swiper-banner .info span {
  display: block;
}

.swiper-box .swiper-slide .swiper-banner .info span:first-child {
  font-size: .75rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 1);
  margin-bottom: .625rem;
}

.swiper-box .swiper-slide .swiper-banner .info span:last-child {
  font-size: .45rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: .8125rem;
  width: 80%;
  max-height: 2.5rem;
}

/* 新闻 */
.section.news .section-banner {
  margin-top: 3.75rem;
  margin-bottom: 2.5rem;
}

.section.news .list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2.875rem;
}

.section.news .list .list-item {
  display: flex;
  align-items: end;
  border-bottom: 0.025rem solid rgba(223, 223, 223, 1);
  padding-bottom: 0.875rem;
  position: relative;
}

.section.news .list .list-item .img {
    display: none;
    width: 9rem;
    height: 5.5rem;
    border-radius: .5rem;
    box-shadow: 0 1rem .485rem 0 rgba(17, 23, 46, 0.21);
    position: absolute;
    bottom: -1.25rem;
    right: 3.525rem;
    overflow: hidden;
}

.section.news .list .list-item .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.section.news .list .list-item:hover .img {
    display: block;
}


.section.news .list .list-item .info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 4;
}

.section.news .list .list-item .info .time {
  border: 0.025rem solid rgba(17, 23, 46, 1);
  width: 2.525rem;
  height: 0.875rem;
  background: rgba(255, 255, 255, .5);
  border-radius: 0.75rem;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.4rem;
  margin-bottom: .75rem;
}

.section.news .list .list-item .info .time:hover {
  background: rgba(0, 89, 255, 1);
  border: 0.025rem solid #fff;
  color: #fff;
  cursor: pointer;
}

/* 当鼠标悬停在.list-item上时，同时触发.time的悬停效果 */
.section.news .list .list-item:hover .info .time {
  background: rgba(0, 89, 255, 1);
  border: 0.025rem solid #fff;
  color: #fff;
}

.section.news .list .list-item .info .title {
  font-family: 'HarmonyOS Sans SC', sans-serif;
  font-weight: 500;
  font-size: 0.6rem;
  color: rgba(51, 51, 51, 1);
  text-decoration: none;
}

.section.news .list .list-item .info .title:hover {
  cursor: pointer;
  color: rgba(0, 89, 255, 1);
}

/* 当鼠标悬停在.list-item上时，同时触发.title的悬停效果 */
.section.news .list .list-item:hover .info .title {
  cursor: pointer;
  color: rgba(0, 89, 255, 1);
}

.section.news .list .list-item .info .sub-title {
  font-family: 'HarmonyOS Sans SC', sans-serif;
  font-weight: 400;
  font-size: 0.4rem;
  color: rgba(102, 102, 102, 1);
  text-overflow: ellipsis;
  overflow: hidden;
}

.section.news .list .list-item .button {
  display: flex;
  justify-content: end;
}

.section.news .list .list-item {
  cursor: pointer;
}

.section.news .list .list-item .button:hover {
  cursor: pointer;
}

.section.news .list .list-item .button img {
  width: 1.25rem;
  height: 1.25rem;
}

/* 联系我们 */
.contact {
  /* background: url('../img/CTA-bg.png');
  background-size: 100% 100%; */
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.contact .video {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.contact .video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact .video_banner {
    position: absolute;
    top: 0;
    width: 100%;
    height: 3rem;
    background: #f9fafb;
}


.contact .info {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  gap: 0.75rem;
}

.contact .info h1 {
  font-family: 'HarmonyOS Sans SC', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
}

.contact .info h4 {
  font-family: 'HarmonyOS Sans SC', sans-serif;
  font-weight: 400;
  font-size: 0.6rem;
  text-align: center;
  opacity: 0.7;
}

.contact .info .button {
  background: rgba(0, 89, 255, 1);
  width: 4rem;
  height: 1.3rem;
  border-radius: 0.65rem;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC', sans-serif;
  font-size: .4rem;
  text-decoration: none;
  color: #fff;
}

.contact .info .button:hover {
  cursor: pointer;
}