.contianer {
  position: relative;


}

.bg_left,
.bg_right {
  position: fixed;
  top: 2.3rem;
}

.bg_left {
  width: 3.84rem;
  height: 8.84rem;
  left: 0;
}

.bg_right {
  width: 4.42rem;
  height: 8.02rem;
  right: 0;
}

.bg_content {
  position: fixed;
  top: 5.3257rem;
  left: 1.702rem;
  width: 16.73171rem;
  height: 11.15447rem;
}

.section_1 {
  position: relative;
  z-index: 1;
  margin: 1.2rem 0 1.6rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section_1 .sec_title {
  justify-content: center;
}

.section_1 .title_icon {
  display: flex;
  width: 6rem;
  justify-content: space-between;
  gap: 1.605rem;
  margin: 0 auto;
}

.section_1 .title_icon img {
  width: 2.195rem;
  height: .3rem;
}

.section_1 .sub_title {
  margin: .4rem 0 0 0;
  font-weight: 400;
  font-family: 'LXGWWenKaiMonoTC-Regular';
  color: rgba(125, 63, 0, 1);
  line-height: 1.25;
}

.section_1 .desc {
  width: 12rem;
  margin: .37rem 0 0 0;

  font-weight: 300;
  font-family: 'LXGWWenKaiMonoTC-Light';
  color: rgba(51, 51, 51, 1);
  line-height: 1.5;
  letter-spacing: 1px;
}
.section_1 .desc p {
    line-height: 2 !important;
}

.section_1 .box {
  margin: 1.6rem 2.38rem 0 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: .2rem;
}

.section_1 .box .item {
  width: 3.45rem;
  margin-bottom: .2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.section_1 .box .item .title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .12rem;

  font-weight: 300;
  font-family: 'LXGWWenKaiMonoTC-Light';
  color: rgba(125, 63, 0, 1);
  line-height: 1.4;
  /* width: 2rem; */
  margin: 0 0 .2rem 0;
}

.section_1 .box .item .title span:nth-child(2) {
  width: 2.3rem;
}

.section_1 .box .item .title .icon {
  width: .12rem;
  flex-shrink: 0;
  height: .12rem;
  border: 1px solid rgba(186, 156, 125, 1);
  transform: rotate(45deg);
}

.section_1 .box .item .item_video {
  position: relative;
  width: 3.45002rem;
  /*height: 3.20503rem;*/
  height: 4.20503rem;
  flex-shrink: 0;
}

.section_1 .box .item .item_video .video_img {
  position: absolute;
  top: .13rem;
  left: .15rem;
  bottom: .13rem;
  right: .15rem;
  /*padding: .13rem .12rem;*/
  padding: .09rem .07rem;
  background: rgba(229, 224, 218, 1);

}

.section_1 .box .item .item_video .video_img .img_box {
  width: 100%;
  height: 100%;
  object-fit: cover;
  overflow: hidden;
}

.section_1 .box .item .item_video .video_img .img_box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.section_1 .box .item .item_video .video_img:hover .img_box img {
  transform: scale(1.05);
}

.section_1 .box .item .item_video .border_top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1.55501rem;
  object-fit: cover;
  pointer-events: none;
}

.section_1 .box .item .item_video .border_bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.65001rem;
  object-fit: cover;
  pointer-events: none;
}

.section_1 .pagination_box {
  margin-top: 1.6rem;
}

.section_1 .more {
  display: flex;
  justify-content: center;
  background: rgba(125, 63, 0, 1);
  border-style: none;
  color: #fff;
  margin: .6rem auto 0 auto;
  padding: .2rem .59rem;
  border-radius: .09rem;

  font-weight: 500;
  font-family: 'LXGWWenKaiMonoTC-Medium';
}






.about1_contianer {
  /* position: relative; */
  background: rgba(245, 239, 230, 1);
}

.about1_contianer .about1_bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.about1_contianer .about1_bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about1_contianer .top_tabs {
  background: #e8dfd2;
}

.section_2 {
  /* display: flex; */
  padding: 1.23rem 2.4rem 0 2.4rem;
}

.section_2 .info {
  display: flex;
  gap: .19rem;
}

.section_2 .info .left {
  width: 7.38rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  flex-shrink: 0;
}

.section_2 .info .left .desc {
  font-weight: 300;
  font-family: 'LXGWWenKaiMonoTC-Light';
  color: rgba(51, 51, 51, 1);
  line-height: 1.5;
  padding-right: .37rem;
  height: 3rem;
  width: 100%;
  overflow-y: auto;
}

.section_2 .info .left .desc::-webkit-scrollbar {
  width: 2px;
  height: 0;
}

.section_2 .info .left .desc::-webkit-scrollbar-track {
  background-color: rgba(125, 63, 0, .2);
}

.section_2 .info .left .desc::-webkit-scrollbar-thumb {
  background-color: rgba(125, 63, 0, 1);
  border-radius: 999px;
}

.section_2 .info .left .songs_box {
  display: flex;
  gap: .24rem;
  align-items: center;
}

.section_2 .info .left .songs_box .label {
  font-weight: 400;
  font-family: 'LXGWWenKaiMonoTC-Regular';
  color: rgba(125, 63, 0, 1);
  line-height: 1.4;
}

.section_2 .info .left .songs_box .songs {
  width: 5.96rem;
  flex-shrink: 0;
}

.section_2 .info .left .songs_box .songs .audio-player {
  overflow: hidden;
  display: flex;
  align-items: center;
  background: rgba(201, 175, 149, 0.5);
  backdrop-filter: blur(.36rem);
  padding: .1rem .12rem;
  border-radius: .08rem;
  width: 100%;
  box-sizing: border-box;
  transition: all .5s ease-in-out;
}


.section_2 .info .left .songs_box .songs .play-btn {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  margin-right: .1rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.section_2 .info .left .songs_box .songs .current-time {
  color: #fff;
  white-space: nowrap;
  margin-right: .11rem;
  text-align: right;
}

.section_2 .info .left .songs_box .songs .progress-container {
  flex: 1;
  height: .08rem;
  border-radius: 9.99rem;
  position: relative;
  cursor: pointer;
  margin-right: 8px;
  background-color: rgba(255, 255, 255, 1);
}

.section_2 .info .left .songs_box .songs .progress-bar {
  height: 100%;
  width: 0%;
  background-color: rgba(125, 63, 0, 1);
  border-radius: 2px;
  transition: width 0.1s ease;
}

.section_2 .info .left .songs_box .songs .total-time {
  color: #fff;
  white-space: nowrap;
}

.section_2 .info .left .songs_box .songs audio {
  display: none;
}

.section_2 .info .img_box {
  border: 1px solid rgba(195, 160, 124, 1);
  width: 6.8rem;
  height: 4.8rem;
  position: relative;
}

.section_2 .info .img_box .top {
  position: absolute;
  top: .065rem;
  left: .065rem;
  width: 6.09rem;
  height: 4.33499rem;
  object-fit: cover;
  pointer-events: none;
}

.section_2 .info .img_box .bottom {
  position: absolute;
  bottom: .065rem;
  right: .065rem;
  width: .585rem;
  height: 4.32rem;
  object-fit: cover;
  pointer-events: none;
}

.section_2 .info .img_box .left {
  position: absolute;
  bottom: .065rem;
  left: .065rem;
  width: 6.14rem;
  height: .365012rem;
  object-fit: cover;
  pointer-events: none;
}

.section_2 .info .img_box .right {
  position: absolute;
  top: .065rem;
  right: .065rem;
  width: .585rem;
  height: .365rem;
  object-fit: cover;
  pointer-events: none;
}

.section_2 .info .img_box .img {
  position: absolute;
  top: .15rem;
  left: .16rem;
  right: .155rem;
  bottom: .16rem;
  overflow: hidden;
}

.section_2 .info .img_box .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.section_2 .info .img_box .img:hover img {
  transform: scale(1.05);
}

.section_2 .box_label {
  display: flex;
  gap: .12rem;
  align-items: center;

  font-weight: 400;
  font-family: 'prsxt';
  color: rgba(125, 63, 0, 1);
  line-height: 1.09;
  margin: 1.32rem 0 0 0;

}

.section_2 .box_label .icon {
  width: .24rem;
  height: .24rem;
  border: 1px solid rgba(186, 156, 125, 1);
  transform: rotate(45deg);
}

.section_2 .box {
  margin: .4rem 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .2rem;
}

.section_2 .box .item {
  width: 3.44rem;
  margin-bottom: .2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.section_2 .box .item .title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .12rem;

  font-weight: 300;
  font-family: 'LXGWWenKaiMonoTC-Light';
  color: rgba(125, 63, 0, 1);
  line-height: 1.4;
  /* width: 2rem; */
  margin: 0 0 .2rem 0;
  text-align: center;
}

.section_2 .box .item .title span:nth-child(2) {
  width: 2.3rem;
}

.section_2 .box .item .title .icon {
  width: .12rem;
  flex-shrink: 0;
  height: .12rem;
  border: 1px solid rgba(186, 156, 125, 1);
  transform: rotate(45deg);
}


.section_2 .box .item .item_video {
  position: relative;
  width: 3.45002rem;
  height: 4.07rem;
  flex-shrink: 0;
}

.section_2 .box .item .item_video .video_img {
  position: absolute;
  top: .13rem;
  left: .15rem;
  bottom: .13rem;
  right: .15rem;
  /*padding: .13rem .12rem;*/
  padding: .08rem .06rem;
  background: rgba(226, 210, 194, 1);

}

.section_2 .box .item .item_video .video_img .img_box {
  width: 100%;
  height: 100%;
  object-fit: cover;
  overflow: hidden;
}

.section_2 .box .item .item_video .video_img .img_box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.section_2 .box .item .item_video .video_img:hover .img_box img {
  transform: scale(1.05);
}

.section_2 .box .item .item_video .border_top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2.54rem;
  object-fit: cover;
  pointer-events: none;
}

.section_2 .box .item .item_video .border_bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.65rem;
  object-fit: cover;
  pointer-events: none;
}

.section_2 .pagination_box {
  margin-top: .8rem;
  padding-bottom: 1.4rem;
}

.about2_bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  object-fit: cover;
  pointer-events: none;
}

.about2_bg img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.section_3 {
  margin: 1.2rem 0 0 0;
}

.section_3 .sec_title {
  justify-content: center;
}

.section_3 .title_icon {
  display: flex;
  width: 6rem;
  justify-content: space-between;
  gap: 1.605rem;
  margin: 0 auto;
}

.section_3 .title_icon img {
  width: 2.195rem;
  height: .3rem;
}


.section_3 .box {
  margin: .3rem 2.38rem 0 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: .2rem;
}

.section_3 .box .item {
  width: 3.45rem;
  margin-bottom: .2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.section_3 .box .item .title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .12rem;

  font-weight: 300;
  font-family: 'LXGWWenKaiMonoTC-Light';
  color: rgba(125, 63, 0, 1);
  line-height: 1.4;
  /* width: 2rem; */
  margin: 0 0 .2rem 0;
}

.section_3 .box .item .title span:nth-child(2) {
  width: 2.3rem;
}

.section_3 .box .item .title .icon {
  width: .12rem;
  flex-shrink: 0;
  height: .12rem;
  border: 1px solid rgba(186, 156, 125, 1);
  transform: rotate(45deg);
}

.section_3 .box .item .item_video {
  position: relative;
  width: 3.45002rem;
  height: 3.20503rem;
  flex-shrink: 0;
}

.section_3 .box .item .item_video .video_img {
  position: absolute;
  top: .13rem;
  left: .15rem;
  bottom: .13rem;
  right: .15rem;
  padding: .13rem .12rem;
  padding: .08rem .06rem;
  background: rgba(229, 224, 218, 1);

}

.section_3 .box .item .item_video .video_img .img_box {
  width: 100%;
  height: 100%;
  object-fit: cover;
  overflow: hidden;
}

.section_3 .box .item .item_video .video_img .img_box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.section_3 .box .item .item_video .video_img:hover .img_box img {
  transform: scale(1.05);
}

.section_3 .box .item .item_video .border_top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1.55501rem;
  object-fit: cover;
  pointer-events: none;
}

.section_3 .box .item .item_video .border_bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.65001rem;
  object-fit: cover;
  pointer-events: none;
}

.section_3 .more {
  display: flex;
  justify-content: center;
  background: rgba(125, 63, 0, 1);
  border-style: none;
  color: #fff;
  margin: .6rem auto 1.7rem auto;
  padding: .2rem .59rem;
  border-radius: .09rem;

  font-weight: 500;
  font-family: 'LXGWWenKaiMonoTC-Medium';
}

.about3_top_bg {
  position: absolute;
  width: 5.27rem;
  height: 5.27rem;
  top: 1.37rem;
  right: .23rem;
  pointer-events: none;
}

.about3_top_bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about3_bottom_bg {
  width: 100%;
  /*height: 14.4rem;*/
  position: absolute;
  top: 10.51rem;
  left: 0;
}

.about3_bottom_bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about3_contianer {
  position: relative;
  background: rgba(245, 239, 230, 1);
  /*overflow: hidden;*/
}

.section_4 {
  padding: 1.2rem 1.4rem;
}

.section_4 .sec_title {
  justify-content: center;
}

.section_4 .title_icon {
  display: flex;
  width: 6rem;
  justify-content: space-between;
  gap: 1.605rem;
  margin: 0 auto;
}

.section_4 .title_icon img {
  width: 2.195rem;
  height: .3rem;
}

.section_4 .more {
  display: flex;
  justify-content: center;
  background: rgba(125, 63, 0, 1);
  border-style: none;
  color: #fff;
  margin: .6rem auto 1.7rem auto;
  padding: .2rem .59rem;
  border-radius: .09rem;

  font-weight: 500;
  font-family: 'LXGWWenKaiMonoTC-Medium';
}

.section_4 .content {
  display: flex;
  gap: .4rem;
  margin: .6rem 0 0 0;
}

.section_4 .content .left {
  width: 3.83rem;
  padding: .52rem .6rem;
  background: rgba(201, 175, 149, 0.5);
  backdrop-filter: blur(.36rem);
  border-radius: .08rem;
  position: sticky;
  height: fit-content;
  top: 2.8rem;
}

.section_4 .content .left .label {
  display: flex;
  align-items: start;
  gap: .15rem;

  font-weight: 500;
  font-family: 'LXGWWenKaiMonoTC-Medium';
  color: rgba(125, 63, 0, 1);
  line-height: 1.07;
  padding-bottom: .4rem;
  border-bottom: 1px solid rgba(125, 63, 0, 1);
}

.section_4 .content .left .label .icon {
  width: .3rem;
  height: .3rem;
  border-radius: 50%;
  border: 1px solid rgba(125, 63, 0, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.section_4 .content .left .label .icon img {
  width: .16rem;
  height: .16rem;
}

.section_4 .content .left .list {
  margin: .32rem 0 0 0;
  display: flex;
  flex-direction: column;
  gap: .32rem;
  
  height: 52vh;
  overflow-y: auto;
  padding-right: .1rem;
  
}

.section_4 .content .left .list .li {
  /*display: flex;*/
  /*align-items: center;*/
  padding-bottom: .32rem;
  border-bottom: 1px solid rgba(206, 180, 148, 1);
  cursor: pointer;
}

.section_4 .content .left .list .li .li_box1 {
    display: flex;
    align-items: center;
}

.section_4 .content .left .list .li .icon {
  width: .3rem;
  height: .3rem;
  border: 1px solid rgba(125, 63, 0, 1);
  border-radius: 50%;

  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: .16rem;
}

.section_4 .content .left .list .li:hover .icon,
.section_4 .content .left .list .li.on .icon {
  background: rgba(125, 63, 0, 1);
}

.section_4 .content .left .list .li .icon img {
  width: .21rem;
  height: .21rem;
}

.section_4 .content .left .list .li .icon .normal,

.section_4 .content .left .list .li:hover .icon .active,
.section_4 .content .left .list .li.on .icon .active{
  display: block;
}

.section_4 .content .left .list .li:hover .icon .normal,
.section_4 .content .left .list .li .icon .active,
.section_4 .content .left .list .li.on .icon .normal,
.section_4 .content .left .list .li .icon .active {
  display: none;
}

.section_4 .content .left .list .li .li_box1 .name {
  width: 1.8rem;
  font-weight: 400;
  font-family: 'LXGWWenKaiMonoTC-Regular';
  color: rgba(125, 63, 0, 1);

  -webkit-line-clamp: 1;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.section_4 .content .left .list .li .arrow {
  width: .15rem;
  height: .3rem;
  margin-left: .22rem;
  opacity: 0;
  transform: rotate(0deg);
  transition: all .5s;
}

.section_4 .content .left .list .li.on .arrow {
  opacity: 1;
  transform: rotate(90deg);
}
.section_4 .content .left .list .li:hover .arrow {
    opacity: 1;
}

.section_4 .content .left .list .li .li_box2 {
    max-height: 0;
    overflow: hidden;
    transition: all .5s;
    opacity: 0;
}
.section_4 .content .left .list .li.on .li_box2 {
    margin: .2rem 0 0 0;
    max-height: 20rem;
    opacity: 1;
}

.section_4 .content .left .list .li .li_box2 .name {
    font-weight: 400;
  font-family: 'LXGWWenKaiMonoTC-Regular';
  color: rgba(125, 63, 0, 1);
  line-height: 1.3;
  margin-bottom: .2rem;
  position: relative;
  padding-left: .1rem;

  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.section_4 .content .left .list .li .li_box2 .name::before {
    content: '';
    position: absolute;
    left: 0;
    top: .1rem;
    width: .06rem;
    height: .06rem;
    flex-shrink: 0;
    background: rgba(125, 63, 0, 1);
    border-radius: 50%;
}

.section_4 .content .right {
  background: rgba(246, 235, 223, 1);
  border: 2px solid rgba(195, 160, 124, 1);
  padding: .5rem;
  position: relative;

  /* background: url('../img/about3_list_bg.webp') no-repeat center center;
  background-size: 100% 100%; */
}

.section_4 .content .right .label {
  display: flex;
  align-items: start;
  gap: .16rem;

  font-weight: 500;
  font-family: 'LXGWWenKaiMonoTC-Regular';
  color: rgba(125, 63, 0, 1);
  line-height: 1.07;
}

.section_4 .content .right .label .icon {
  width: .3rem;
  height: .3rem;
  border-radius: 50%;
  background: rgba(125, 63, 0, 1);
  border: 1px solid rgba(125, 63, 0, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.section_4 .content .right .label .icon img {
  width: .21rem;
  height: .21rem;
}

.section_4 .content .right .list {
    width: 11.16rem;
  margin: .42rem auto 0 auto;
  display: flex;
  /*justify-content: center;*/
  flex-wrap: wrap;
  gap: .36rem;

  
}

.section_4 .content .right .list .li {
  /*width: 2.51rem;*/
  width: calc((100% - 3 * 0.36rem) / 4);
  /*height: 3.56rem;*/
  height: auto;
  box-sizing: border-box;
  position: relative;
}

.section_4 .content .right .list:has(.li:only-child) .li {
    width: 80%;
    height: 5rem;
    margin: 0 auto;
} 

.section_4 .content .right .list:has(.li:nth-child(2):last-child) .li {
  width: calc((100% - 1 * 0.36rem) / 2);
}
.section_4 .content .right .list:has(.li:nth-child(3):last-child) .li {
  width: calc((100% - 2 * 0.36rem) / 3);
}

.section_4 .content .right .list .li .img_box {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.section_4 .content .right .list .li .img_box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.section_4 .content .right .list .li:hover .img_box img {
  transform: scale(1.05);
}


@media (max-width: 767px) {
    .bg_left, .bg_right {
        top: 95px;
        width: 150px;
    }
    
    .bg_content {
        width: 100%;
        height: auto;
    }
    
    .section_1 {
        margin: 30px 0 60px 0;
    }
    
    .section_1 .sub_title {
        font-size: 18px;
    }
    
    .section_1 .desc {
        width: 100%;
        padding: 0 20px;
        font-size: 14px;
        line-height: 1.5;
    }
    
    .section_1 .box .item .title {
        font-size: 14px;
    }
    
    .section_1 .box {
        margin: 50px 20px 0 20px;
        justify-content: center;
    }
    
    .section_1 .box .item {
        width: 3.15rem;
    }
    
    .section_1 .box .item .item_video {
        width: 3.25002rem;
        height: 3.02rem;
    }
    
    
    .section_1 .box .item .item_video .border_top {
        height: 1.5rem;
        object-fit: unset;
    }
    
    .section_1 .box .item .item_video .border_bottom {
        height: 1.55001rem;
        object-fit: unset;
    }
    
    
    .section_2 {
        padding: 30px 20px 0 20px;
    }
    .section_2 .info {
        flex-direction: column;
    }
    
    .section_2 .info .left {
        width: 100%;
    }
    
    .section_2 .info .left .desc {
        height: auto;
        padding: 0;
    }
    
    .section_2 .info .left .songs_box .songs {
        width: 4.9rem;
    }
    .section_2 .info .left .songs_box .label {
        font-size: 18px;
    }
    .section_2 .info .left .songs_box .songs .play-btn {
        font-size: 12px;
    }
    .section_2 .info .left .songs_box .songs .current-time,
    .section_2 .info .left .songs_box .songs .total-time {
        font-size: 13px;
    }
    
    .section_2 .box {
        justify-content: center;
    }
    .section_2 .box_label {
        font-size: 20px;
    }
    
    .section_2 .box .item {
        width: 3.14rem;
    }
    
    .section_2 .box .item .title {
        font-size: 14px;
    }
    
    .section_2 .box .item .item_video {
        width: 3.15002rem;
        height: 3.07rem;
    }
    
    .section_2 .box .item .item_video .border_top {
        height: 2.35rem;
        object-fit: unset;
    }
    .section_2 .box .item .item_video .border_bottom {
        height: 1.55rem;
        object-fit: unset;
    }
    
    .section_3 {
        margin: 30px 0 0 0;
    }
    
    .section_3 .box .item .title {
        font-size: 14px;
    }
    .section_3 .box {
        margin: 20px 20px 0 20px;
        justify-content: center;
    }
    
    .section_3 .box .item {
        width: 3.15rem;
    }
    
    .section_3 .box .item .item_video {
        width: 3.15002rem;
        height: 3rem;
    }
    
    .section_3 .box .item .item_video .video_img {
        top: 10px;
        left: 7px;
        bottom: 10px;
        right: 8px;
    }
    
    .section_3 .box .item .item_video .border_top {
        object-fit: unset;
    }
    .section_3 .box .item .item_video .border_bottom {
        object-fit: unset;
    }
    
    .section_3 .more {
        font-size: 14px;
    }
    
    
    
    .section_4  {
        padding: 30px 20px;
    }
    .section_4 .content {
        flex-direction: column;
    }
    .section_4 .content .left {
        display: none;
    }
    .section_4 .content .right .list {
        width: 100%;
        gap: 8px;
    }
    .section_4 .content .right {
        padding: 15px;
    }
    .section_4 .content .right .list .li {
        width: 1.92rem;
        height: 2.56rem;
    }
    .section_4 .more {
        font-size: 13px;
    }
    
    
    
    
    
    
}