.about-page .overview-box {
  background: #fff;
  box-shadow: 0 0.1rem 0.2rem 0.02rem rgba(232, 232, 232, 0.3);
  padding: 0.4rem 0.3rem 0.86rem;
  margin-top: 0.4rem;
}
.about-page .overview-box .page-title {
  padding: 0 0 0.45rem;
}
.about-page .overview-box .bottom .box {
  overflow: hidden;
  width: 100%;
  height: 5.62rem;
  margin-bottom: 0.43rem;
}
.about-page .overview-box .bottom .box a {
  position: relative;
  width: 100%;
  height: 100%;
  display: block;
}
.about-page .overview-box .bottom .box a img {
  position: absolute;
  top: 0;
  left: 0;
  max-width: none;
  transition: 0.4s;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-page .overview-box .bottom .box a img.play {
  width: 0.63rem;
  height: 0.63rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
}
.about-page .overview-box .bottom .box a .mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  transition: 0.4s;
}
.about-page .overview-box .bottom .box a:hover .mask {
  opacity: 0;
}
.about-page .overview-box .bottom .box a:hover .scale {
  transform: scale(1.1);
}
.about-page .overview-box .bottom .content {
  width: 100%;
  overflow: auto;
  position: relative;
}
.about-page .overview-box .bottom .content:hover::-webkit-scrollbar {
  background-color: #fff;
}
.about-page .overview-box .bottom .content:hover::-webkit-scrollbar-thumb {
  background-color: #ccc;
}
.about-page .overview-box .bottom .content::-webkit-scrollbar {
  width: 0.09rem;
  background-color: transparent;
}
.about-page .overview-box .bottom .content::-webkit-scrollbar-thumb {
  background-color: transparent;
}
.about-page .overview-box .bottom .content p,
.about-page .overview-box .bottom .content span {
  color: #222;
  font-size: 0.24rem;
  text-align: justify;
}
.about-page .overview-box .bottom .content img {
  max-width: 100%;
}
.about-page .duty-box {
  width: 100%;
  height: 7.25rem;
  overflow: hidden;
  position: relative;
}
.about-page .duty-box .bg {
  position: relative;
  top: 0;
}
.about-page .duty-box .bg .item {
  width: 100%;
  height: 7.25rem;
  background-position: 0 0;
  background-size: 4.9rem 7.25rem;
  background-repeat: no-repeat;
}
.about-page .duty-box .bg .item:nth-of-type(1) {
  background-color: #FF9E45;
}
.about-page .duty-box .bg .item:nth-of-type(2) {
  background-color: #C42C21;
}
.about-page .duty-box .bg .item:nth-of-type(3) {
  background-color: #00AD8A;
}
.about-page .duty-box .bg .item:nth-of-type(4) {
  background-color: #0079EC;
}
.about-page .duty-box .list {
  position: absolute;
  left: 1.8rem;
  top: 0.6rem;
  z-index: 3;
}
.about-page .duty-box .list li {
  width: 2.86rem;
  height: 0.8rem;
  text-align: right;
  padding-right: 0.77rem;
  line-height: 0.8rem;
  color: #fff;
  font-size: 0.2rem;
  margin-bottom: 0.15rem;
  cursor: pointer;
  position: relative;
  z-index: 5;
}
.about-page .duty-box .list .active-box {
  width: 2.86rem;
  height: 0.8rem;
  clip-path: polygon(0% 0%, 100% 0%, 91% 100%, 0% 100%);
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 0.04rem;
  z-index: 4;
  transition: all 0.5s;
}
.about-page .duty-box .right-box {
  width: 13rem;
  height: 7.05rem;
  background: #fff;
  position: absolute;
  top: 0;
  left: 4.4rem;
  z-index: 2;
}
.about-page .duty-box .right-box .content {
  display: none;
  padding: 0.48rem 0.6rem 0;
}
.about-page .duty-box .right-box .content:nth-of-type(1) {
  display: block;
}
.about-page .duty-box .right-box .content .title {
  padding-left: 0.24rem;
  padding-bottom: 0.4rem;
  font-size: 0.24rem;
  line-height: 0.35rem;
  color: #222;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-weight: 700;
}
.about-page .duty-box .right-box .content .title .tab {
  display: flex;
  gap: 0.5rem;
}
.about-page .duty-box .right-box .content .title .tab li {
  color: #666;
  font-weight: 400;
  cursor: pointer;
}
.about-page .duty-box .right-box .content .title .tab li.active {
  color: #222;
  font-weight: 700;
}
.about-page .duty-box .right-box .content .container {
  padding: 0.38rem 0.24rem;
}
.about-page .duty-box .right-box .content .container div.item {
  display: none;
}
.about-page .duty-box .right-box .content .container p,
.about-page .duty-box .right-box .content .container span {
  text-align: justify;
}