@media (max-width: 768px) {
  .page-about .container {
    width: 100%;
    max-width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    padding-top: 32px;
    box-sizing: border-box;
  }

  /* ---------- Hero ---------- */
  .about-hero {
    position: relative;
  }

  .about-hero__inner {
    padding: 100px 15px 28px;
  }

  .about-hero__eyebrow {
    font-size: clamp(28px, 8.5vw, 40px);
    line-height: 1.12;
  }

  .about-hero h1 {
    margin-top: 16px;
    font-size: clamp(16px, 5.5vw, 18px);
  }

  .about-hero__rule {
    margin-top: 12px;
    width: 54px;
  }

  .about-hero__subtitle {
    margin-top: 14px;
    font-size: 10px;
  }

  .about-hero__partners {
    bottom: 24px;
    width: calc(100% - 30px);
    max-width: none;
  }

  /* ---------- 公司简介 + 使命愿景价值观 ---------- */

  .about-intro__inner {
    height: auto;
    padding: 34px 0 30px;
    gap: 34px;
    justify-content: flex-start;
    position: relative;
    z-index: 1;
  }

  .about-intro__content {
    display: flex;
    flex-direction: column;
    gap: 28px;
    width: 100%;
  }

  .about-intro__copy p {
    font-size: 12px;
    line-height: 1.75;
    margin-top: 12px;
  }

  .about-intro h2 {
    font-size: 24px;
    line-height: 1.35;
  }

  .about-intro__visual {
    width: 100%;
    height: auto;
    margin-top: 0;
  }

  .about-pill-link {
    display: none;
  }

  .about-pill-link img {
    width: 12px;
    margin-left: 8px;
  }

  .about-principles__inner {
    display: flex;
    flex-direction: column;
    gap: 0px;
    align-items: stretch;
  }

  .about-principle {
    padding-left: 18px;
    padding-bottom: 16px;
  }

  .about-principle--active {
    margin-bottom: 0;
  }

  .about-principle::after {
    height: auto;
    bottom: 0px;
    top: 12px;
    left: 3px;
  }
  .about-principle:not(:first-child)::after {
    top: 0;
  }

  .about-principle p {
    font-size: 20px;
    line-height: 1.2;
  }

  .about-principle h3 {
    font-size: 12px;
    margin-top: 3px;
    margin-bottom: 8px;
  }

  .about-principle span {
    font-size: 10px;
    line-height: 1.65;
    color: #ccc;
  }

  .about-principle span + span {
    margin-left: 0;
  }

  .about-principle__values-item {
    display: flex;
    /* flex-direction: column; */
    align-items: flex-start;
    gap: 8px;
  }

  .about-principle__values-item + .about-principle__values-item {
    margin-top: 4px;
  }

  /* ---------- 发展历程（横向滑动，每次 1 条） ---------- */

  .about-history__inner {
    height: auto;
    justify-content: flex-start;
    position: relative;
  }

  .about-section-title {
    flex-direction: column;
    align-items: flex-start;
    gap: 0px;
  }

  .about-section-title p {
    font-size: 40px;
    line-height: 1.08;
  }

  .about-section-title h2 {
    margin-top: 14px;
    font-size: 16px;
    line-height: 1.35;
  }

  .about-history__controls {
    display: none;
  }

  .about-timeline-wrap {
    margin-top: 28px;
    margin-left: -15px;
    margin-right: -15px;
    padding: 0 15px;
  }

  .about-timeline {
    display: flex;
    margin-top: 0;
    flex-direction: column;
  }

  .about-timeline::before {
    content: none;
  }

  .about-timeline li {
    flex: 0 0 100%;
    padding-right: 0;
    padding-left: 22px;
    padding-bottom: 22px;
    min-height: 0;
  }

  .about-timeline li::before {
    order: 1;
    left: -22px;
    margin: 0;
    width: 9px;
    height: 9px;
    box-shadow: 0 0 0 3px rgba(216, 47, 47, 0.21);
    top: -20px;
  }

  .about-timeline li::after {
    top: 0;
    right: 0;
    height: auto;
    width: 1px;
    bottom: 0;
    left: 4px;
  }
  .about-timeline li:not(:first-child)::after {
    top: 0;
  }
  .about-history {
    background: url('../assets/images/about/section-bg@2x_m.png') center / cover no-repeat;
  }
  .about-intro::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../assets/images/about/history-bg@2x_m.png') center / cover no-repeat;
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
  }

  .about-timeline time {
    font-size: 24px;
  }

  .about-timeline h3 {
    font-size: 16px;
    min-height: 0;
    margin-top: 0;
  }

  .about-timeline p {
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.75;
  }

  /* ---------- 核心团队 ---------- */
  .about-team {
    padding: 8px 0 56px;
  }

  .about-team__inner {
    display: flex;
    flex-direction: column;
    gap: 28px;
  }

  .about-team__copy .about-section-title p {
    font-size: clamp(38px, 10vw, 40px);
  }

  .about-team__copy > p {
    margin-top: 16px;
    font-size: 12px;
    line-height: 1.75;
    max-width: none;
  }

  .about-team__stats {
    gap: 24px;
    margin-top: 28px;
    padding-left: 16px;
    border-left-width: 6px;
    flex-wrap: wrap;
    display: none;
  }

  .about-team__stats > div {
    padding-left: 12px;
    min-width: 0;
  }

  .about-team__stats strong {
    font-size: 40px;
  }

  .about-team__stats span {
    font-size: 14px;
  }

  .about-team__stats div.divider {
    height: 36px;
    margin-top: 8px;
  }

  .about-team__stats-item-plus {
    font-size: 16px;
  }

  .about-team__visual {
    width: 100%;
    min-height: 240px;
    margin-top: 0;
    border-top-left-radius: 24px;
  }

  /* ---------- 四大核心业务 ---------- */
  .about-business {
    padding: 0px 0 86px;
  }

  .about-business .about-section-title {
    margin-bottom: 22px;
  }

  .about-business .section-heading__title {
    font-size: 22px;
  }

  .about-business .section-heading__en {
    font-size: 40px;
  }

  .business-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    margin-top: 0;
  }

  .business-card {
    /* min-height: 400px; */
  }

  .business-card__content {
    padding: 18px 16px 12px;
  }

  .business-card h3 {
    font-size: 18px;
  }

  .business-card p {
    font-size: 13px;
    line-height: 1.65;
    white-space: normal;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
  }

  .business-card__cta {
    height: 46px;
    opacity: 1;
    width: 100%;
    margin-top: 8px;
    font-size: 15px;
  }

  .business-card:hover .business-card__cta {
    height: 46px;
    opacity: 1;
  }

  .business-card:hover p {
    white-space: normal;
  }

  .about-hero__bg-m,
  .about-intro__bg-m,
  .about-history__bg_m {
    display: block;
    width: 100%;
    height: auto;
  }
  .about-hero__bg,
  .about-intro__bg,
  .about-history__bg {
    display: none;
  }

  .about-principle::before {
    top: 10px;
    width: 7px;
    height: 7px;
    border-width: 2px;
  }

  .about-intro__bg-m {
    opacity: 0.4;
  }

  .business-card .business-card__cta {
    display: none !important;
  }
}