@media screen and (max-width: 768px) {
  .about-box-in {
    margin-bottom: 0.56rem;
    margin-top: unset;
    padding-top: 0.25rem;
  }
  .about-top {
    display: flex;
    flex-direction: column;
  }
  .about-l {
    margin-right: 0;
  }
  .about-l span {
    font-size: 0.34rem;
  }
  .about-l h3 {
    font-size: 0.49rem;
    margin-top: 0.24rem;
  }
  .h3-line {
    width: 100%;
    margin-top: 0.29rem;
    margin-bottom: 0.39rem;
  }
  .about-l p {
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin-bottom: 0.32rem;
  }
  .about-r p {
    font-size: 0.28rem;
    line-height: 0.5rem;
  }
  .about-bottom {
    margin-top: 0.32rem;
    width: 100%;
    background-image: url("../images/about/bg-s.jpg");
    background-size: auto 33.3%;
    background-position: top center;
    padding: 0.2rem;
    flex-wrap: wrap;
  }
  .stat-item {
    width: 46%;
    margin-bottom: 0.22rem;
  }

  .plus-sign {
    top: -0.16rem;
    right: -0.42rem;
    font-size: 0.5rem;
  }

  .stat-number {
    font-size: 0.87rem;
    margin-bottom: 0.2rem;
  }
  .num-line {
    margin-top: 0.2rem;
  }
  .stat-label {
    font-size: 0.28rem;
    margin-top: 0.2rem;
  }
  .unit {
    font-size: 0.35rem;
  }
  .unit-en {
    top: -0.45rem;
    right: 0.4rem;
    font-size: 0.32rem;
  }
  .stat-item {
    width: 48%;
  }
  .box_2 {
    background-image: url("../images/about/bg2-s.jpg");
    height: unset;
    flex-direction: column;
    justify-content: unset;
    padding: 0.7rem 0.3rem;
  }
  .box-item {
    flex-direction: column;
    padding: 0.7rem 0.34rem;
    background: rgba(6, 49, 125, 0.32);
    margin-bottom: 0.4rem;
  }
  .box-item img {
    width: 0.86rem;
  }
  .box-item h5 {
    font-size: 0.42rem;
    margin-top: 0.08rem;
    margin-bottom: 0.4rem;
  }

  .box-item p {
    font-size: 0.28rem;
    color: #ffffff;
    line-height: 0.5rem;
    opacity: 1;
    transform: unset;
    visibility: visible;
    text-align: left;
    padding: unset;
    display: block;

  }

  .line-white {
    display: none;
  }

  .box_2 .line-g {
    display: none;
  }
  .about-h3 {
  font-size: 0.42rem;
}
  /* 资质荣誉 */
  .honor-box {
    padding: 0.94rem 0;
    padding-bottom: 0;
  }
  .honor-box .about-h3 {
    padding: 0 0.3rem;
  }
  .honor-box .safe_width {
    padding: 0;
  }
  .honor-box .swiper-container {
    margin: 0;
  }
  .about-swiper {
    margin-top: 0.5rem;
  }
  .honor-item {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .honor-img {
    width: 100%;
    width: 3.93rem;
    display: flex;
    justify-content: center;
    align-items: center;
    /* padding: 0.3rem; */
    box-sizing: border-box;
  }
  .honor-item img {
    width: 100%;
    aspect-ratio: 265/375;
    object-fit: cover;
    border-radius: 0.1rem;
  }
  .honor-item p {
    font-size: 0.28rem;
    text-align: center;
    margin-top: 0.1rem;
    padding: 0 0.2rem;
    color: #333;
  }
  .honor-box .swiper-button-prev,
  .honor-box .swiper-button-next {
    width: 0.52rem;
    height: 0.52rem;
  }
  .honor-box .swiper-button-prev {
    left: 0.43rem;
  }
  .honor-box .swiper-button-next {
    right: 0.43rem;
  }

  .honor-bottom {
    height: 2.02rem;
    margin-top: -0.65rem;
  }
  /* 发展历程 */

  .year-l h3 {
    font-size: 0.43rem;
    line-height: 0.4rem;
  }

  .line-brief {
    width: 0.82rem;
    border: 2px solid #074ABF;
    margin-top: 0.2rem;
    margin-bottom: 0.51rem;
  }

  .brief-box p {
    line-height: 0.55rem;
  }

  .top-year .flex-bet-c {
    flex-direction: column;
    justify-content: unset;
    align-items: unset;
  }

  .swiper-section {
    height: 6.21rem;
  }

  .year-p {
    line-height: 0.5rem;
  }

  .year-display {
    margin-top: 0.5rem;
  }

  .current-year {
    font-size: 2.2rem;
  }

  .top-year {
    height: 13.2rem;
    padding-bottom: 1rem;
    padding-top: 1.2rem;
    background-image: url("../images/about/bg3-s.jpg");
  }

  .year-r {
    width: 100%;
    border-radius: 0.35rem;
    padding: 0.19rem 0.35rem;
    padding-bottom: 0;
    height: 6.21rem;
    margin-left: unset;
    margin-top: 0.58rem;
  }

  .track-box {
    height: 2.3rem;
    padding-top: 0.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .safe_track {
    width: 100%;
    height: 2rem;
    overflow: hidden;
    position: relative;
  }
  .line-box {
    position: absolute;
    white-space: nowrap;
    display: flex;
    align-items: flex-end;
    flex-wrap: nowrap;
    padding: 0 0.6rem;
    height: 1.6rem;
  }
  .line-bottom {
    width: 100%;
    height: 0.01rem;
    background: #fff;
    position: absolute;
    left: 0;
    right: 0;
    top: 1.01rem;
  }
  .column-line-large {
    width: 0.02rem;
    height: 0.25rem;
    background: #fff;
    flex-shrink: 0;
    margin-top: 0.25rem;
  }
  .column-line-small-box {
    width: 0.01rem;
    height: 1.44rem;
    flex-shrink: 0;
    margin-right: 0.58rem;
  }
  .column-line-small {
    width: 0.01rem;
    height: 0.1rem;
    background: #fff;
    margin-top: 0.75rem;
  }
  .content-box {
    display: flex;
    flex-direction: column;
    height: 1.08rem;
    flex-shrink: 0;
    margin-right: 0.58rem;
    position: relative;
    cursor: pointer;
  }
  .year-label {
    font-size: 0.28rem;
    color: #fff;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
  .year-content {
    font-size: 0.28rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    top: 0.54rem;
    line-height: 0.5rem;
  }
  .line-progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 1.03rem;
    background: linear-gradient(
      93deg,
      rgba(255, 255, 255, 0) 0%,
      rgba(255, 255, 255, 0.57) 100%
    );
    width: 0%;
    transition: width 0.5s ease;
  }

  .year-w {
    font-size: 0.4rem;
    color: #074ABF;
    line-height: 0.56rem;
    margin-bottom: 0.2rem;
  }

  .circle-line-box {
    margin-right: 0.15rem;
  }

  .big-circle {
    width: 0.33rem;
    height: 0.33rem;
  }

  .small-circle {
    width: 0.11rem;
    height: 0.11rem;
  }

  .circle-line {
    width: 0px;
    height: 4.91rem;
  }
  .year-r .swiper-slide p {
    line-height: 0.45rem;
    margin-bottom: 0.27rem;
    font-size: 0.28rem;
  }

  .year-img img {
    width: 100%;
    max-width: unset;
  }

  /* 厂房设备 - 手机端 */
  .firm-box {
    padding-top: 0.6rem;
  }
  .firm-swiper {
    padding-top: 0.5rem;
    overflow: visible !important;
  }
  .firm-swiper .swiper-wrapper {
    display: none !important;
  }
  .firm-swiper .swiper-slide {
    display: none !important;
  }
  .firm-grid-mobile {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.2rem !important;
  }
  .firm-grid {
    display: none !important;
  }
  .firm-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .firm-item .img-box {
    width: 100%;
  }
  .firm-item img {
    width: 100%;
    aspect-ratio: 377/234;
    object-fit: cover;
  }
  .firm-item span {
    font-size: 0.28rem;
    line-height: 0.4rem;
    margin-top: 0.1rem;
  }
  .firm-swiper .swiper-pagination {
    display: none !important;
  }
}