.page-about {
  --about-line: rgba(12, 26, 42, 0.14);
  --about-copper-line: rgba(176, 122, 42, 0.32);
  --about-pad: clamp(52px, 8vw, 104px);
  background: var(--paper);
  color: var(--graphite);
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .media-frame {
  margin: 0;
  overflow: hidden;
}

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

.page-about .section-pad {
  padding: var(--about-pad) 0;
}

.page-about h2 {
  margin: 14px 0 0;
  font-size: clamp(1.55rem, 3.4vw, 2.4rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ink);
}

.page-about .plate-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--copper);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 4vw, 34px) 0 clamp(56px, 7vw, 92px);
  background: var(--ink);
  color: var(--paper);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -32%;
  right: -16%;
  width: min(620px, 78vw);
  height: min(620px, 78vw);
  border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, rgba(176, 122, 42, 0.46), rgba(176, 122, 42, 0) 68%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  bottom: -46%;
  left: -18%;
  width: min(520px, 70vw);
  height: min(520px, 70vw);
  border-radius: 46% 54% 58% 42% / 50% 44% 56% 50%;
  background: rgba(45, 95, 139, 0.32);
  pointer-events: none;
}

.page-about .about-hero .breadcrumb {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-about .about-hero .breadcrumb__link {
  color: var(--copper-soft);
  text-decoration: none;
}

.page-about .about-hero .breadcrumb__item {
  color: rgba(245, 239, 228, 0.7);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 34px;
  align-items: end;
}

.page-about .about-hero__text h1 {
  margin: 16px 0 0;
  font-size: clamp(2rem, 6.2vw, 4.3rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 900;
  color: var(--paper);
}

.page-about .about-hero .eyebrow {
  color: var(--copper-soft);
}

.page-about .about-hero__lead {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: rgba(245, 239, 228, 0.84);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 10px;
  margin-top: clamp(26px, 4vw, 38px);
}

.page-about .hero-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid rgba(232, 200, 143, 0.24);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .hero-fact:hover {
  border-color: var(--copper-soft);
  background: rgba(255, 255, 255, 0.08);
}

.page-about .hero-fact__num {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--copper-soft);
}

.page-about .hero-fact__label {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(245, 239, 228, 0.76);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(24px, 4vw, 34px) 0 0;
}

.page-about .about-hero__actions .btn {
  text-decoration: none;
}

.page-about .about-hero .btn--ghost {
  color: var(--paper);
  background: transparent;
  border-color: rgba(245, 239, 228, 0.42);
}

.page-about .about-hero .btn--ghost:hover,
.page-about .about-hero .btn--ghost:focus-visible {
  color: var(--copper-soft);
  border-color: var(--copper-soft);
}

.page-about .about-hero__figure {
  border-radius: var(--r-lg);
  border: 1px solid rgba(232, 200, 143, 0.26);
  box-shadow: 0 26px 60px rgba(4, 10, 18, 0.45);
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(40px, 5vw, 64px);
    align-items: center;
  }
}

/* ---------- 品牌语义 ---------- */
.page-about .about-name__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--graphite);
}

.page-about .about-moves {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-about .about-move {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 0;
  border-top: 1px solid var(--about-line);
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-move:last-child {
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-move:hover {
  border-color: var(--about-copper-line);
}

.page-about .about-move__idx {
  grid-row: span 2;
  padding-top: 4px;
  font-size: 0.8125rem;
  color: var(--copper);
}

.page-about .about-move__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .about-move__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--graphite);
}

@media (min-width: 880px) {
  .page-about .about-name__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(32px, 6vw, 84px);
    align-items: start;
  }
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  background: linear-gradient(180deg, rgba(220, 231, 239, 0.6), rgba(245, 239, 228, 0));
}

.page-about .about-team__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-about .about-team__figure {
  border-radius: var(--r-lg);
  border: 1px solid var(--about-copper-line);
}

.page-about .about-team__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-about .role-orbit {
  position: relative;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .role-orbit::before {
  content: "";
  position: absolute;
  inset: 10% 12%;
  z-index: 0;
  border: 1px dashed var(--about-copper-line);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .role {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 2px 12px;
  padding: 13px 18px;
  border-radius: var(--r-pill);
  background: var(--white);
  border: 1px solid rgba(12, 26, 42, 0.12);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .role:hover,
.page-about .role:focus-within {
  border-color: var(--copper);
  background: var(--mist);
  transform: translateY(-2px);
}

.page-about .role__num {
  grid-row: span 2;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--copper-soft);
  font-size: 0.875rem;
}

.page-about .role__name {
  font-size: 0.98rem;
  font-weight: 900;
  color: var(--ink);
}

.page-about .role__task {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(35, 42, 51, 0.82);
}

.page-about .about-team__note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--copper);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--graphite);
}

@media (min-width: 520px) {
  .page-about .role-orbit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: clamp(32px, 5vw, 68px);
    align-items: center;
  }
}

/* ---------- 内容校验 ---------- */
.page-about .about-check__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-about .about-check__grid {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-about .check-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .check-step {
  position: relative;
  padding: 20px 22px 20px 58px;
  border-radius: var(--r-md);
  background: var(--white);
  border: 1px solid var(--about-line);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .check-step:hover {
  border-color: var(--copper);
  box-shadow: 0 12px 28px rgba(12, 26, 42, 0.08);
}

.page-about .check-step__no {
  position: absolute;
  left: 20px;
  top: 22px;
  font-size: 0.8125rem;
  color: var(--copper);
}

.page-about .check-step h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 900;
  color: var(--ink);
}

.page-about .check-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.74;
  color: var(--graphite);
}

.page-about .about-check__figure {
  border-radius: var(--r-lg);
  border: 1px solid var(--about-copper-line);
}

.page-about .about-check__note {
  margin: 26px 0 0;
  padding: 16px 20px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--verify);
  background: var(--mist);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--graphite);
}

@media (min-width: 900px) {
  .page-about .about-check__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(32px, 5vw, 60px);
    align-items: start;
  }
}

/* ---------- 发展历程 ---------- */
.page-about .about-history__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-history__lead {
  margin: 16px 0 0;
  max-width: 42ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--graphite);
}

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

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--copper), rgba(176, 122, 42, 0.12));
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 30px 34px;
}

.page-about .timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--copper);
  background: var(--paper);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .timeline__item:hover::before {
  background: var(--copper);
  box-shadow: 0 0 0 4px rgba(176, 122, 42, 0.14);
}

.page-about .timeline__year {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--dye);
}

.page-about .timeline__body h3 {
  margin: 0 0 6px;
  font-size: 1.0625rem;
  font-weight: 900;
  color: var(--ink);
}

.page-about .timeline__body p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--graphite);
}

@media (min-width: 900px) {
  .page-about .about-history__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(36px, 6vw, 88px);
    align-items: start;
  }

  .page-about .about-history__label {
    position: sticky;
    top: 128px;
  }

  .page-about .timeline__item {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
    padding-left: 34px;
  }

  .page-about .timeline__year {
    margin-bottom: 0;
    padding-top: 2px;
    font-size: 1rem;
    font-weight: 700;
  }
}

/* ---------- 覆盖与协作 ---------- */
.page-about .about-reach {
  background: var(--ink-deep);
  color: var(--paper);
}

.page-about .about-reach h2 {
  color: var(--paper);
}

.page-about .about-reach .plate-no {
  color: var(--copper-soft);
}

.page-about .reach-lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(245, 239, 228, 0.8);
}

.page-about .reach-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.page-about .reach-card {
  padding: 22px 20px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(232, 200, 143, 0.22);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .reach-card:hover {
  border-color: var(--copper-soft);
  background: rgba(255, 255, 255, 0.08);
}

.page-about .reach-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 900;
  color: var(--copper-soft);
}

.page-about .reach-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.74;
  color: rgba(245, 239, 228, 0.82);
}

@media (min-width: 640px) {
  .page-about .reach-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-about .reach-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ---------- 认可与收束 ---------- */
.page-about .about-honor__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-about .about-honor__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-about .honor-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-about .honor-list li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--about-line);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--graphite);
}

.page-about .honor-list li:last-child {
  border-bottom: 1px solid var(--about-line);
}

.page-about .honor-list .mono {
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--copper);
}

.page-about .about-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(26px, 4vw, 38px);
  border-radius: var(--r-lg);
  background: var(--ink);
  border: 1px solid rgba(232, 200, 143, 0.22);
  color: var(--paper);
}

.page-about .about-cta h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.4vw, 1.55rem);
  color: var(--paper);
}

.page-about .about-cta p {
  margin: 0 0 8px;
  font-size: 0.94rem;
  line-height: 1.78;
  color: rgba(245, 239, 228, 0.8);
}

.page-about .about-cta .btn {
  text-align: center;
  text-decoration: none;
}

.page-about .about-cta .btn--ghost {
  color: var(--paper);
  background: transparent;
  border-color: rgba(245, 239, 228, 0.4);
}

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

@media (min-width: 900px) {
  .page-about .about-honor__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
    transform: none !important;
  }
}
<<<PAGE_CSS_END>>>