.about-page {
  background: #ffffff;
}

.ab-shell {
  width: min(1120px, calc(100% - var(--gutter) * 2));
  margin: 0 auto;
}

.ab-hero {
  padding: clamp(64px, 8vw, 98px) 0 clamp(30px, 4vw, 46px);
}

.ab-kicker {
  margin: 0;
  color: var(--faint);
  font-size: 12px !important;
  letter-spacing: 0.02em;
}

.ab-hero h1 {
  margin: 22px 0 0;
  color: var(--ink);
  font-size: clamp(46px, 5.4vw, 64px) !important;
  font-weight: 600 !important;
  letter-spacing: -0.06em !important;
  line-height: 1.04 !important;
}

.ab-intro {
  max-width: 760px;
  margin: 23px 0 0;
  color: var(--muted);
  font-size: 16px !important;
  line-height: 1.8 !important;
}

.ab-stats {
  padding: 0 0 clamp(34px, 4vw, 48px);
}

.ab-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--hairline);
}

.ab-stats__grid > div {
  padding: 18px 18px 0 0;
  border-right: 1px solid var(--hairline);
}

.ab-stats__grid > div:not(:first-child) {
  padding-left: 22px;
}

.ab-stats__grid > div:last-child {
  border-right: 0;
}

.ab-stats strong {
  display: block;
  color: var(--ink);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.ab-stats span {
  display: block;
  margin-top: 5px;
  color: var(--faint);
  font-size: 12px;
}

.ab-section {
  padding: clamp(48px, 6vw, 72px) 0;
  border-top: 1px solid var(--hairline);
}

.ab-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(32px, 3.6vw, 42px) !important;
  font-weight: 600 !important;
  letter-spacing: -0.05em !important;
  line-height: 1.1 !important;
}

.ab-culture {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  margin-top: 34px;
}

.ab-culture h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px !important;
  font-weight: 600;
}

.ab-culture p {
  max-width: 320px;
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 14px !important;
  line-height: 1.8 !important;
}

.ab-team {
  display: grid;
  grid-template-columns: minmax(0, 620px);
  gap: 14px;
  margin-top: 34px;
}

.ab-person {
  padding: clamp(22px, 2.8vw, 30px);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  background: #ffffff;
}

.ab-person__top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ab-avatar {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: #eef5ff;
  color: #2862d8;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.ab-avatar--rong {
  background: #f0f3f7;
  color: #4f5b6d;
}

.ab-person__top h3 {
  margin: 0;
  color: var(--ink);
  font-size: 23px !important;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.ab-person__top p {
  margin: 4px 0 0;
  color: var(--faint);
  font-size: 12.5px !important;
}

.ab-person__affil {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px !important;
  line-height: 1.7 !important;
}

.ab-person ul {
  margin: 14px 0 0;
  padding: 0 0 0 18px;
  color: var(--muted);
  list-style: disc;
}

.ab-person li {
  margin: 8px 0 0;
  font-size: 13.5px !important;
  line-height: 1.75 !important;
}

.ab-person li::marker {
  color: var(--faint);
}

.ab-team-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 14px;
  padding: 22px 24px;
  border-radius: 16px;
  background: #f7f9fc;
}

.ab-team-note__label {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.ab-team-note p {
  max-width: 760px;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13.5px !important;
  line-height: 1.7 !important;
}

.ab-text-link {
  flex: 0 0 auto;
  color: var(--brand);
  font-size: 13px;
  font-weight: 500;
}

.ab-timeline {
  margin-top: 22px;
  border-top: 1px solid var(--hairline);
}

.ab-timeline__row {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
}

.ab-timeline__row > span {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.02em;
}

.ab-timeline__row h3 {
  margin: 0;
  color: var(--ink);
  font-size: 18px !important;
  font-weight: 600;
}

.ab-timeline__row p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px !important;
  line-height: 1.7 !important;
}

.ab-cta {
  padding: clamp(50px, 6vw, 76px) 0;
}

.ab-cta__panel {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(28px, 4vw, 44px);
  border-radius: 22px;
  background: linear-gradient(145deg, #f2f7ff, #ffffff 76%);
}

.ab-cta__panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 3.4vw, 40px) !important;
  font-weight: 600 !important;
  letter-spacing: -0.045em !important;
  line-height: 1.16 !important;
}

.ab-cta__panel p {
  max-width: 570px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px !important;
  line-height: 1.7 !important;
}

.ab-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 0 0 auto;
}

.ab-cta__actions .btn {
  min-height: 40px;
  padding: 0 17px;
  font-size: 13.5px;
}

@media (max-width: 800px) {
  .ab-stats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 0;
  }

  .ab-stats__grid > div:nth-child(2) {
    border-right: 0;
  }

  .ab-stats__grid > div:nth-child(3),
  .ab-stats__grid > div:nth-child(4) {
    padding-top: 18px;
    border-top: 1px solid var(--hairline);
  }

  .ab-stats__grid > div:nth-child(3) {
    padding-left: 0;
  }

  .ab-culture {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .ab-culture p {
    max-width: 620px;
  }

  .ab-team {
    grid-template-columns: minmax(0, 1fr);
  }

  .ab-team-note,
  .ab-cta__panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .ab-shell {
    width: calc(100% - 36px);
  }

  .ab-hero h1 {
    font-size: 42px !important;
  }

  .ab-intro {
    font-size: 15px !important;
  }

  .ab-timeline__row {
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 12px;
  }
}

.ab-head__lead {
  max-width: 620px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 14px !important;
  line-height: 1.75 !important;
}

.ab-mv {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  margin-top: 32px;
}

.ab-mv article {
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
}

.ab-mv article > span {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
}

.ab-mv h3 {
  margin: 23px 0 0;
  color: var(--ink);
  font-size: 24px !important;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.3;
}

.ab-mv p {
  max-width: 460px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px !important;
  line-height: 1.8 !important;
}

.ab-culture {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.ab-team {
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  align-items: stretch;
}

.ab-team-quote {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(22px, 2.8vw, 30px);
  border-radius: 20px;
  background: linear-gradient(145deg, #f2f7ff, #ffffff);
  box-shadow: inset 0 0 0 1px rgba(14, 82, 240, 0.07);
}

.ab-team-quote p {
  margin: 0;
  color: var(--ink);
  font-size: clamp(20px, 2.2vw, 27px) !important;
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.3 !important;
}

.ab-team-quote span {
  display: block;
  margin-top: 28px;
  color: var(--faint);
  font-size: 11.5px;
}

.ab-products {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.ab-products article {
  padding: 24px;
  border: 1px solid var(--hairline);
  border-radius: 17px;
  background: #ffffff;
}

.ab-products article > span {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
}

.ab-products h3 {
  margin: 27px 0 0;
  color: var(--ink);
  font-size: 20px !important;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.ab-products h3 small {
  display: inline-block;
  margin-left: 7px;
  color: var(--faint);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0;
}

.ab-products p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 13.5px !important;
  line-height: 1.75 !important;
}

@media (max-width: 900px) {
  .ab-culture {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .ab-team {
    grid-template-columns: minmax(0, 1fr);
  }

  .ab-team-quote {
    min-height: 190px;
  }
}

@media (max-width: 620px) {
  .ab-mv,
  .ab-products {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .ab-culture {
    grid-template-columns: minmax(0, 1fr);
  }
}

.ab-avatar--yang {
  display: block;
  object-fit: cover;
  object-position: center 16%;
  background: #eef5ff;
}

.ab-avatar--yang {
  width: 88px;
  height: 88px;
  object-position: center 24%;
}