.container {
  position: relative;
}

.container .home {
  background: url("../../img/about/about_banner.png") no-repeat center;
  background-size: cover;
  min-height: 100vh;
  position: relative;
  /* padding: 12.65rem 4rem 0 4rem; */
  padding: 0 4rem 3rem 4rem;
}

.container .home .title {
  padding-top: 12.65rem;
}

.container .home .banner .title span {
  display: block;
  text-align: center;
}

.container .home .banner .title span:nth-child(1) {
  font-size: 1.45rem;
  font-weight: 700;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(255, 255, 255, 1);
  margin-bottom: 4.95rem;
}

.container .home .banner .title span:nth-child(2) {
  font-size: .45rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(255, 255, 255, 1);
  line-height: .8rem;
  margin-bottom: .4rem;
}

.container .home .banner .title span:nth-child(3) {
  font-size: .45rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(255, 255, 255, 1);
  line-height: .95rem;
}

.container .culture {
  height: 27rem;
  position: relative;
  overflow: hidden;
}

/* 使用两个伪元素实现渐变切换 */
.container .culture::before,
.container .culture::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity 1.5s ease;
  z-index: 0;
}

/* 默认显示第一张图片 */
.container .culture {
  /* CSS变量 - 当前图片 */
  --current-image: url("../../img/about/about_img_2.png");
  /* CSS变量 - 下一张图片（初始值与当前图片相同） */
  --next-image: url("../../img/about/about_img_2.png");
}

.container .culture::before {
  background-image: var(--current-image);
  opacity: 1;
}

.container .culture::after {
  background-image: var(--next-image);
  opacity: 0;
}

/* 渐变切换效果 - 当前图片淡出，下一张图片淡入 */
.container .culture.transition::before {
  opacity: 0;
}

.container .culture.transition::after {
  opacity: 1;
}

/* 确保内容在图片上方 */
.container .culture .title,
.container .culture .main {
  position: relative;
  z-index: 1;
}

/* 移除直接的background属性设置，避免与伪元素冲突 */
/* 所有背景图片都通过伪元素::before和::after管理 */

.container .culture .title {
  font-size: 1.45rem;
  font-weight: 700;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(255, 255, 255, 1);
  margin-bottom: 4.95rem;
  position: absolute;
  top: 5.9rem;
  left: 21.7rem;
}

.container .culture .main {
  /* display: flex; */
  width: 100%;
  height: 100%;
}

.container .culture .main .row {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  color: rgba(255, 255, 255, 1);
}

.container .culture .main .row .col {
  width: 20.2rem;
  height: 100%;
  border-radius: .75rem;
  display: flex;
  flex-direction: column;
  justify-content: end;
  align-items: center;
  padding: 0 1.5rem;
  border-right: .025rem solid rgba(255, 255, 255, 0.2);
}

.container .culture .main .row .col:hover {
  background: rgba(0, 0, 0, 0.2);
}

.container .culture .main .row .col span {
  display: block;
  text-align: center;
}

.container .culture .main .row .col span:nth-child(1) {
  font-size: .6rem;
  font-weight: 500;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(255, 255, 255, 1);
  margin-bottom: .6rem;
  opacity: 1;
  transform: translateY(20px);
  transition: margin-bottom 1.5s ease, transform 1.5s ease, opacity 1.5s ease;
}

.container .culture .main .row .col span:nth-child(2) {
  font-size: .55rem;
  font-weight: 300;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(255, 255, 255, 1);
  line-height: .8rem;
  opacity: 0;
  transform: translateY(20px);
  margin-bottom: 0;
  transition: opacity 1.5s ease, transform 1.5s ease, margin-bottom 1.5s ease;
}

.container .culture .main .row .col:hover span:nth-child(1) {
  margin-bottom: .6rem;
  opacity: 1;
  transform: translateY(0);
}

.container .culture .main .row .col:hover span:nth-child(2) {
  opacity: 1;
  transform: translateY(0);
  margin-bottom: 5.5rem;
}

.container .culture .main .row .col span:nth-child(3) {
  font-size: .4rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(255, 255, 255, 1);
  margin-bottom: 2.5rem;
}

.container .message {
  min-height: 100vh;
  position: relative;
  background: url("../../img/about/about_img_4.png") no-repeat center;
  background-size: cover;
  padding: 3rem 4rem;
  display: flex;
  gap: 5.225rem;
  align-items: start;
}

.container .message .title {
  width: 8.025rem;
  margin-top: 10rem;

}

.container .message .title span {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: 'HarmonyOS Sans SC';
}

.container .message .main {
  line-height: .95rem;
  font-size: .5rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  width: 26.75rem;
  margin-top: 10rem;
}

.container .development {
  min-height: 100vh;
  position: relative;
  margin: 3rem 4rem;
}

.container .development .title {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: 'HarmonyOS Sans SC';
  width: 100%;
  text-align: center;
  margin-bottom: 1.5rem;
}

.container .development .main {
  display: flex;
  gap: 1.5rem;
}

.container .development .main .left {
  width: 19.5rem;
  height: 14rem;
  background: #f7f8fa;
  border-radius: .25rem;
  text-align: center;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.container .development .main .left span {
  font-size: .6rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(51, 51, 51, 1);
  margin-bottom: .6rem;
  line-height: .9rem;
  width: 10.35rem;
  text-align: center;
}

.container .development .main .left img {
  width: 5.4rem;
  height: 7.25rem;
  margin-bottom: 1.05rem;
}

.container .development .main .right {
  flex: 1;
}

.container .development .main .right .info_top {
  display: flex;
  gap: 1.5rem;
}

.container .development .main .right .info_top .info_top_left {
  display: flex;
  flex-direction: column;
  width: 15.25rem;
}

.container .development .main .right .info_top .info_top_left span {
  display: block;
}

.container .development .main .right .info_top .info_top_left span:nth-child(1) {
  font-size: .5rem;
  font-weight: 700;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(0, 89, 255, 1);
}

.container .development .main .right .info_top .info_top_left span:nth-child(2) {
  font-size: .6rem;
  font-weight: 500;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(51, 51, 51, 1);
  margin: .25rem 0 .625rem 0;
}

.container .development .main .right .info_top .info_top_left span:nth-child(3) {
  font-size: .4rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(51, 51, 51, .6);
  line-height: .9rem;
}

.container .development .main .right .info_top .info_top_right .buttons {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.container .development .main .right .info_top .info_top_right .buttons img {
  width: 1rem;
  height: 1rem;
}

.container .development .main .right .info_top .info_top_right .buttons .prev-button .hover {
  display: none;
}

.container .development .main .right .info_top .info_top_right .buttons .prev-button:hover .normal {
  display: none;
}

.container .development .main .right .info_top .info_top_right .buttons .prev-button:hover .hover {
  display: block;
  cursor: pointer;
}

.container .development .main .right .info_top .info_top_right .buttons .next-button .hover {
  display: none;
}

.container .development .main .right .info_top .info_top_right .buttons .next-button:hover .normal {
  display: none;
  cursor: pointer;
}

.container .development .main .right .info_top .info_top_right .buttons .next-button:hover .hover {
  display: block;
  cursor: pointer;
}

.container .development .main .right .info_imgs {
  display: flex;
  gap: 1.5rem;
  width: 100%;
  /*overflow-x: auto;*/
  margin-top: 1rem;
  width: 23rem;
  overflow: hidden;
}

.container .development .main .right .info_imgs .my-swiper {
    width: 100%;
    height: 100%;
}

.container .development .main .right .info_imgs::-webkit-scrollbar {
  display: none;
  /* 隐藏滚动条 */
}

.container .development .main .right .info_imgs_item {
  width: 11.5rem;
  height: 8rem;
  border-radius: .25rem;
  background: #f7f8fa;
  flex-shrink: 0;

  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}


.container .development .main .right .info_imgs_item img {
  width: 3.2772rem;
  height: 4.3967rem;
  margin-bottom: .4rem;
}

.container .development .main .right .info_imgs_item span {
  font-size: .4rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(51, 51, 51, 1);
  width: 6.1rem;
  line-height: .6rem;
  text-align: center;
}

.container .development .time_line {
  width: 100%;
  margin-top: 1.4rem;
  position: relative;
}

.container .development .time_line .line {
  border: 1px dashed rgba(51, 51, 51, 0.3);
}

.container .development .time_line .points {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: absolute;
  width: 100%;
  top: -0.075rem;
}

.container .development .time_line .points .point {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.container .development .time_line .points .point span:nth-child(1) {
  display: block;
  width: .2rem;
  height: .2rem;
  background: rgba(169, 169, 169, 1);
  border-radius: 50%;
}

.container .development .time_line .points .point.active span:nth-child(1) {
  background: rgba(0, 89, 255, 1);
}

.container .development .time_line .points .point span:nth-child(2) {
  font-size: .5rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(51, 51, 51, 1);
  margin-top: .575rem;
}

.container .development .time_line .points .point.active span:nth-child(2) {
  color: rgba(0, 89, 255, 1);
}

.container .development .footnote {
  font-size: .5rem;
  font-weight: 400;
  font-family: 'HarmonyOS Sans SC';
  color: rgba(153, 153, 153, 1 );
  margin: 1.925rem auto 1.5rem auto;
  width: 100%;



  text-align: center;
}