.page-about {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.page-about .page-shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(18px, 5vw, 64px);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb {
  padding-top: 26px;
  margin-bottom: 28px;
}

.page-about .about-crumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-about .about-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel);
  opacity: 0.55;
}

.page-about .about-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}

.page-about .about-crumb a:hover,
.page-about .about-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .about-crumb [aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  background:
    radial-gradient(1100px 560px at 84% -8%, rgba(55, 240, 211, 0.2), transparent 62%),
    radial-gradient(820px 480px at 4% 108%, rgba(255, 106, 43, 0.16), transparent 62%),
    var(--ink);
  padding-bottom: 8px;
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: end;
  padding-bottom: clamp(30px, 5vw, 54px);
}

.page-about .about-note {
  margin: 0 0 16px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 8.4vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--white);
  text-wrap: balance;
}

.page-about .about-title__hi {
  color: var(--orange);
  position: relative;
  display: inline-block;
}

.page-about .about-title__hi::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.12em;
  height: 0.09em;
  background: var(--cyan);
  opacity: 0.85;
}

.page-about .about-lede {
  max-width: 36em;
  margin: 0;
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-about .about-hero__actions .btn {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-about .about-hero__figure {
  margin: 0;
  position: relative;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--deep);
  border: 4px solid var(--cocoa);
  box-shadow: var(--shadow-cyan);
}

.page-about .about-hero__figure figcaption {
  margin-top: 16px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-about .about-hero__stats {
  padding-bottom: clamp(36px, 6vw, 62px);
}

.page-about .about-hero__stats .data-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(201, 213, 228, 0.16);
  border: 3px solid var(--cocoa);
}

.page-about .about-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 16px 20px;
  background: var(--deep);
}

.page-about .about-hero__stats .stat-value {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2.2rem);
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-hero__stats .stat-unit {
  font-size: 0.48em;
  margin-left: 3px;
  color: var(--orange);
}

.page-about .about-hero__stats .stat-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

/* ---------- 通用章节 ---------- */
.page-about .about-sec {
  padding-block: clamp(56px, 9vw, 110px);
  position: relative;
}

.page-about .about-sec--cream {
  background: var(--cream);
  color: var(--cocoa);
}

.page-about .about-sec--deep {
  background: var(--deep);
  color: var(--white);
}

.page-about .about-sec--ink {
  background: var(--ink);
  color: var(--white);
}

.page-about .about-sec__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-about .about-sec__aside {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .about-sec__num {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(2.6rem, 7.6vw, 4.4rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--orange);
}

.page-about .about-sec__tag {
  margin: 0;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-about .about-sec--cream .about-sec__tag {
  color: rgba(27, 20, 16, 0.5);
}

.page-about .about-head {
  max-width: 62rem;
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-about .about-head .about-sec__num {
  margin-bottom: 14px;
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.8vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  text-wrap: balance;
}

.page-about .about-h2--light {
  color: var(--white);
}

.page-about .about-h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 40px 0 18px;
  padding-top: 20px;
  border-top: 4px solid var(--cocoa);
}

.page-about .about-p {
  max-width: 40em;
  margin: 0 0 18px;
  font-size: clamp(0.94rem, 1.5vw, 1rem);
  line-height: 1.85;
  color: rgba(27, 20, 16, 0.82);
}

.page-about .about-sec--deep .about-p,
.page-about .about-sec--ink .about-p {
  color: var(--mist);
}

.page-about .about-p--small {
  font-size: 0.88rem;
  margin-top: 24px;
  color: rgba(27, 20, 16, 0.6);
}

/* ---------- 品牌起点要点 ---------- */
.page-about .about-points {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 4px solid var(--cocoa);
}

.page-about .about-points__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(27, 20, 16, 0.16);
}

.page-about .about-points__k {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-about .about-points__v {
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(27, 20, 16, 0.78);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline__figure {
  margin: 0 0 clamp(30px, 4vw, 48px);
}

.page-about .about-timeline__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 4px solid var(--cocoa);
  box-shadow: var(--shadow-orange);
  background: var(--ink);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 14px;
  bottom: 20px;
  width: 4px;
  background: var(--orange);
  opacity: 0.85;
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 38px;
  margin-bottom: 16px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 16px;
  height: 16px;
  background: var(--orange);
  border: 3px solid var(--deep);
  transform: rotate(45deg);
}

.page-about .about-tl {
  border: 2px solid rgba(201, 213, 228, 0.28);
  background: rgba(8, 20, 38, 0.6);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.page-about .about-tl:hover {
  border-color: var(--cyan);
}

.page-about .about-tl[open] {
  border-color: var(--cyan);
  box-shadow: 6px 6px 0 rgba(55, 240, 211, 0.22);
}

.page-about .about-tl__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  outline-offset: 3px;
}

.page-about .about-tl__summary::-webkit-details-marker {
  display: none;
}

.page-about .about-tl__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--orange);
}

.page-about .about-tl[open] .about-tl__summary::after {
  content: "−";
  color: var(--cyan);
}

.page-about .about-tl__summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .about-tl__year {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1rem, 2.6vw, 1.2rem);
  color: var(--orange);
}

.page-about .about-tl__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.96rem;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-about .about-tl__body {
  padding: 0 18px 18px;
}

.page-about .about-tl__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 4px solid var(--cocoa);
}

.page-about .about-team__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 20px 0 22px;
  border-bottom: 1px solid rgba(27, 20, 16, 0.16);
}

.page-about .about-team__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  line-height: 1;
  color: var(--orange);
}

.page-about .about-team__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.page-about .about-team__desc {
  flex: 1 1 100%;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(27, 20, 16, 0.72);
}

.page-about .about-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  counter-reset: flow;
}

.page-about .about-flow__step {
  position: relative;
  padding: 18px 18px 20px;
  background: var(--white);
  border: 3px solid var(--cocoa);
  box-shadow: 6px 6px 0 rgba(27, 20, 16, 0.92);
}

.page-about .about-flow__idx {
  display: inline-block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-about .about-flow__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--cocoa);
}

.page-about .about-flow__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(27, 20, 16, 0.76);
}

.page-about .about-flow__path-wrap {
  margin: 26px 0 0;
}

.page-about .about-flow__path {
  display: block;
  width: 100%;
  max-width: 620px;
  height: auto;
}

.page-about .about-team__figure {
  margin: 34px 0 0;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 4px solid var(--cocoa);
  box-shadow: var(--shadow-hard);
  background: var(--deep);
}

.page-about .about-team__figure figcaption {
  margin-top: 14px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(27, 20, 16, 0.55);
}

/* ---------- 服务覆盖 ---------- */
.page-about .about-reach {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border: 3px solid var(--cocoa);
  background: rgba(201, 213, 228, 0.2);
}

.page-about .about-reach__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 24px;
  background: var(--deep);
}

.page-about .about-reach__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-reach__unit {
  font-size: 0.42em;
  margin-left: 4px;
  color: var(--orange);
}

.page-about .about-reach__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--white);
}

.page-about .about-reach__desc {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 合作与荣誉 ---------- */
.page-about .about-partners {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 4px solid var(--cocoa);
}

.page-about .about-partners__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(27, 20, 16, 0.16);
}

.page-about .about-partners__k {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--cocoa);
}

.page-about .about-partners__v {
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(27, 20, 16, 0.74);
}

.page-about .about-honors {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-about .about-honor {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 12px;
  background: var(--white);
  border: 2px solid var(--cocoa);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.84rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--cocoa);
  cursor: help;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
}

.page-about .about-honor:hover,
.page-about .about-honor:focus-visible {
  background: var(--ink);
  color: var(--white);
  box-shadow: 5px 5px 0 var(--orange);
  outline: none;
}

.page-about .about-honor:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .about-honor__year {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--orange);
}

.page-about .about-honor:hover .about-honor__year,
.page-about .about-honor:focus-visible .about-honor__year {
  color: var(--cyan);
}

.page-about .about-honor::after {
  content: attr(data-note);
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px);
  width: max-content;
  max-width: 230px;
  padding: 9px 12px;
  background: var(--cocoa);
  color: var(--white);
  border-left: 4px solid var(--cyan);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
  z-index: 6;
}

.page-about .about-honor:hover::after,
.page-about .about-honor:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 收尾入口 ---------- */
.page-about .about-cta {
  background:
    radial-gradient(900px 420px at 88% 0%, rgba(55, 240, 211, 0.16), transparent 60%),
    var(--cocoa);
  color: var(--white);
  padding-block: clamp(56px, 9vw, 104px);
}

.page-about .about-cta__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.6vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  color: var(--white);
}

.page-about .about-cta__text {
  max-width: 34em;
  margin: 0 0 30px;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-cta__links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border: 3px solid var(--ink);
  background: rgba(201, 213, 228, 0.2);
}

.page-about .about-cta__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 20px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: background 0.18s, color 0.18s;
}

.page-about .about-cta__link:hover,
.page-about .about-cta__link:focus-visible {
  background: var(--orange);
  color: var(--cocoa);
  outline: none;
}

.page-about .about-cta__link:focus-visible {
  box-shadow: inset 0 0 0 3px var(--cyan);
}

.page-about .about-cta__idx {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-cta__link:hover .about-cta__idx,
.page-about .about-cta__link:focus-visible .about-cta__idx {
  color: var(--cocoa);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-about .about-hero__stats .data-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-points__item,
  .page-about .about-partners__item {
    grid-template-columns: 11rem minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-about .about-reach {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-reach__item--wide {
    grid-column: span 2;
  }

  .page-about .about-cta__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 26px;
  }

  .page-about .about-team__item {
    align-content: start;
  }

  .page-about .about-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-flow__path-wrap {
    display: none;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-about .about-sec__grid {
    grid-template-columns: minmax(100px, 168px) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
    align-items: start;
  }

  .page-about .about-sec__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    position: sticky;
    top: 96px;
  }

  .page-about .about-sec__tag {
    writing-mode: vertical-rl;
    letter-spacing: 0.32em;
  }

  .page-about .about-timeline__item {
    padding-left: 56px;
  }

  .page-about .about-timeline::before {
    left: 8px;
  }

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

  .page-about .about-reach__item--wide {
    grid-column: span 2;
  }

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

  .page-about .about-cta__link {
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: 26px;
    padding: 26px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-honor,
  .page-about .about-honor::after,
  .page-about .about-cta__link,
  .page-about .about-crumb a,
  .page-about .about-tl {
    transition: none;
  }
}
<<<END>>>