.page-about {
  --about-measure: 68ch;
  --about-radius: 14px;
  --about-soft: rgba(27, 92, 255, .07);
  color: var(--ink);
}

.page-about .about-crumb {
  padding: 20px 0 6px;
}

.page-about .about-hero {
  padding: 14px 0 8px;
}

.page-about .about-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-about .about-hero__title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7.4vw, 4.25rem);
  line-height: 1.12;
  letter-spacing: -.01em;
}

.page-about .about-hero__deck {
  margin: 24px 0 0;
  max-width: var(--about-measure);
  font-size: 17px;
  line-height: 1.8;
}

.page-about .about-hero__stats {
  margin: 44px 0 0;
  padding: 26px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 16px;
}

.page-about .about-hero__stats dt {
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-about .about-hero__stats dd {
  margin: 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.45rem, 4.4vw, 2.1rem);
  line-height: 1;
  color: var(--blue);
}

.page-about .about-hero__stats div:last-child dd {
  color: var(--orange);
}

.page-about .about-h2 {
  margin: 0 0 22px;
  max-width: 26ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 4.4vw, 2.35rem);
  line-height: 1.28;
}

.page-about .about-rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--line), rgba(216, 224, 238, .18));
  transform: skewY(-.4deg);
}

/* 历程 */
.page-about .about-history {
  padding: 52px 0 8px;
}

.page-about .about-history__grid {
  display: grid;
  gap: 24px;
}

.page-about .about-figure {
  margin: 0 0 30px;
}

.page-about .about-figure .img-frame {
  border-radius: var(--about-radius);
  overflow: hidden;
  background: var(--blue-tint);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

.page-about .about-yaxis ul {
  display: flex;
  gap: 10px;
  margin: 0 0 6px;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-about .about-yaxis__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 152px;
  padding: 10px 12px;
  border-left: 2px solid var(--line);
  background: transparent;
  text-decoration: none;
  color: var(--gray);
  transition: border-color .25s var(--ease), color .25s var(--ease), background-color .25s var(--ease);
}

.page-about .about-yaxis__link:hover,
.page-about .about-yaxis__link:focus-visible {
  border-color: var(--orange);
  background: var(--blue-tint);
}

.page-about .about-yaxis__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--blue);
}

.page-about .about-yaxis__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.page-about .about-yaxis__hint {
  display: block;
  font-size: 12px;
  line-height: 1.55;
  color: var(--gray);
}

.page-about .about-history__stages {
  min-width: 0;
}

.page-about .about-stage {
  padding: 24px 0 28px;
  border-top: 1px solid var(--line);
}

.page-about .about-stage:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-stage__year {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-about .about-stage__title {
  margin: 10px 0 16px;
  max-width: 30ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 3.6vw, 1.7rem);
  line-height: 1.38;
}

.page-about .about-stage p {
  margin: 0 0 14px;
  max-width: var(--about-measure);
  font-size: 17px;
  line-height: 1.8;
}

.page-about .about-stage p:last-child {
  margin-bottom: 0;
}

.page-about .about-fact {
  margin-top: 18px !important;
  padding: 14px 18px;
  max-width: var(--about-measure);
  background: var(--warm);
  border-left: 3px solid var(--orange);
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  line-height: 1.72;
}

/* 服务能力 */
.page-about .about-section {
  padding: 52px 0 8px;
}

.page-about .about-lines {
  display: grid;
  gap: 12px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-about .about-lines li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
}

.page-about .about-lines strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-about .about-lines span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-about .about-cap-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-cap {
  padding: 22px 22px 26px;
  background: var(--blue-tint);
  border-radius: var(--about-radius);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-about .about-cap__num {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  line-height: 1;
  color: var(--blue);
}

.page-about .about-cap:nth-child(2n) .about-cap__num {
  color: var(--violet);
}

.page-about .about-cap__label {
  margin: 12px 0 6px;
  font-size: 16px;
  font-weight: 600;
}

.page-about .about-cap__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

/* 团队 */
.page-about .about-team__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-team__card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
}

.page-about .about-team__card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
}

.page-about .about-team__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-about .about-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-flow li {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink);
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--blue-tint);
}

.page-about .about-flow li:not(:last-child)::after {
  content: "→";
  margin-left: 10px;
  color: var(--orange);
}

/* 记录对照 */
.page-about .about-copy {
  margin: 0 0 22px;
  max-width: var(--about-measure);
  font-size: 17px;
  line-height: 1.8;
}

.page-about .about-copy:last-child {
  margin: 26px 0 0;
}

.page-about .about-compare {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  border-radius: var(--about-radius);
  overflow: hidden;
}

.page-about .about-compare__col {
  padding: 22px;
}

.page-about .about-compare__col--lite {
  background: var(--blue-tint);
}

.page-about .about-compare__col--full {
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.page-about .about-compare__col h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.page-about .about-compare__tag {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-about .about-compare__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-compare__col li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-compare__col li:last-child {
  margin-bottom: 0;
}

.page-about .about-compare__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--blue);
  transform: rotate(-24deg);
}

/* 原则 */
.page-about .about-principles {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-principles li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-principles li:first-child {
  border-top: 0;
}

.page-about .about-principles__idx {
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--orange);
  padding-top: 2px;
}

.page-about .about-principles strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-about .about-principles span {
  display: block;
  max-width: var(--about-measure);
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

/* 接下来 */
.page-about .about-next {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-next li {
  padding: 22px;
  background: var(--blue-tint);
  border-radius: 12px;
}

.page-about .about-next h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.page-about .about-next p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-about .about-next a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-next a:hover,
.page-about .about-next a:focus-visible {
  color: var(--orange);
}

/* 尾部 CTA */
.page-about .about-cta {
  position: relative;
  margin-top: 72px;
  overflow: hidden;
  background: var(--console);
  color: var(--paper);
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 110% at 12% 0%, rgba(27, 92, 255, .58), transparent 56%),
    radial-gradient(95% 95% at 92% 100%, rgba(255, 106, 31, .34), transparent 60%),
    radial-gradient(70% 70% at 60% 20%, rgba(122, 91, 255, .30), transparent 70%);
}

.page-about .about-cta__inner {
  position: relative;
  padding: 56px 0 60px;
}

.page-about .about-cta h2 {
  margin: 0 0 18px;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 4.6vw, 2.6rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-about .about-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(251, 252, 254, .82);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-cta .btn--ghost {
  color: var(--paper);
  border-color: rgba(251, 252, 254, .48);
}

.page-about .about-cta .btn--ghost:hover,
.page-about .about-cta .btn--ghost:focus-visible {
  border-color: var(--green);
  color: var(--paper);
}

@media (min-width: 720px) {
  .page-about .about-cap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-lines {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .about-compare {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-compare__col--full {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-about .about-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1020px) {
  .page-about .about-hero {
    padding-top: 22px;
  }

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

  .page-about .about-history__grid {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-aside {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-about .about-yaxis ul {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-yaxis__link {
    min-width: 0;
  }

  .page-about .about-yaxis__hint {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .3s var(--ease), opacity .3s var(--ease);
  }

  .page-about .about-yaxis__link:hover .about-yaxis__hint,
  .page-about .about-yaxis__link:focus-visible .about-yaxis__hint {
    max-height: 6em;
    opacity: 1;
  }

  .page-about .about-stage {
    padding: 30px 0 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-yaxis__link,
  .page-about .about-yaxis__hint {
    transition: none;
  }
}
<<<END>>>