.page-about {
  --about-rail-w: 268px;
  --about-gap: clamp(26px, 4.4vw, 56px);
  --about-space: clamp(46px, 7vw, 88px);
  position: relative;
  background:
    radial-gradient(120% 78% at 84% 0%, rgba(217, 164, 65, 0.10), transparent 58%),
    radial-gradient(96% 70% at 0% 34%, rgba(200, 64, 46, 0.10), transparent 62%),
    linear-gradient(180deg, var(--bp-night) 0%, var(--bp-night-2) 56%, var(--bp-ink) 100%);
  color: var(--bp-cream);
  font-family: var(--bp-sans);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-about .bp-crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  padding-block: clamp(22px, 4vw, 40px) clamp(40px, 6.5vw, 76px);
}

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

.page-about .about-hero__title {
  margin: 0.16em 0 0.34em;
  font-family: var(--bp-serif);
  font-weight: 900;
  font-size: clamp(34px, 8.2vw, 82px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--bp-cream);
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--bp-gold);
}

.page-about .about-hero__lead {
  max-width: 36em;
  color: rgba(244, 239, 230, 0.82);
  line-height: 1.85;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .about-hero__aside {
  display: grid;
  gap: 16px;
  align-content: end;
  min-width: 0;
}

.page-about .about-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--bp-r-lg);
  border: 1px solid var(--bp-line);
  background: var(--bp-night-2);
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, 0.9);
}

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

.page-about .about-figure .bp-media__cap {
  padding: 12px 18px;
  color: var(--bp-mist);
  font-size: 13px;
  line-height: 1.7;
  border-top: 1px solid var(--bp-line);
}

.page-about .about-note {
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--bp-gold);
  color: var(--bp-mist);
  font-size: 13.5px;
  line-height: 1.8;
}

/* ---------- 主内容 + 右注记栏 ---------- */
.page-about .about-layout {
  display: grid;
  gap: var(--about-gap);
  align-items: start;
}

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

.page-about .about-section {
  padding-block-start: var(--about-space);
}

.page-about .about-section + .about-section {
  margin-top: var(--about-space);
  border-top: 1px solid var(--bp-line);
}

.page-about .about-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(20px, 3.2vw, 34px);
}

.page-about .about-head__num {
  font-family: var(--bp-serif);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 700;
  color: var(--bp-gold);
  letter-spacing: 0.06em;
  line-height: 1;
}

.page-about .about-head__title {
  margin: 0;
  color: var(--bp-cream);
}

.page-about .about-head__sub {
  margin: 8px 0 0;
  color: var(--bp-mist);
  font-size: 14.5px;
  line-height: 1.75;
  max-width: 40em;
}

.page-about .about-quote {
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding-left: clamp(16px, 3vw, 26px);
  border-left: 3px solid var(--bp-cinnabar);
  font-family: var(--bp-serif);
  font-size: clamp(21px, 3.4vw, 33px);
  line-height: 1.55;
  color: var(--bp-cream);
}

.page-about .about-origin {
  display: grid;
  gap: 16px;
}

.page-about .about-origin .bp-text {
  color: rgba(244, 239, 230, 0.8);
}

.page-about .about-origin__list {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-about .bp-text {
  color: rgba(244, 239, 230, 0.8);
  line-height: 1.85;
}

/* ---------- 标签页原则 ---------- */
.page-about .about-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(16px, 2.6vw, 24px);
}

.page-about .about-tabs__tab {
  appearance: none;
  border: 1px solid var(--bp-line-strong);
  background: transparent;
  color: var(--bp-mist);
  border-radius: var(--bp-r-pill);
  padding: 9px 20px;
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.2s var(--bp-ease), border-color 0.2s var(--bp-ease), background 0.2s var(--bp-ease);
}

.page-about .about-tabs__tab:hover,
.page-about .about-tabs__tab:focus-visible {
  border-color: var(--bp-gold);
  color: var(--bp-gold-soft);
}

.page-about .about-tabs__tab[aria-selected="true"] {
  background: var(--bp-cinnabar);
  border-color: var(--bp-cinnabar);
  color: var(--bp-cream);
}

.page-about .about-tabs__panel {
  border: 1px solid var(--bp-line);
  border-radius: var(--bp-r-lg);
  background: rgba(18, 40, 61, 0.82);
  padding: clamp(20px, 3.4vw, 34px);
}

.page-about .about-tabs__panel[hidden] {
  display: none;
}

.page-about .about-tabs__panel .bp-h3 {
  margin-top: 0;
  color: var(--bp-cream);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline-wrap {
  display: grid;
  gap: clamp(24px, 3.6vw, 40px);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 32px;
  position: relative;
  min-width: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--bp-gold) 0%, rgba(217, 164, 65, 0.12) 100%);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: clamp(22px, 3vw, 34px);
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bp-night);
  border: 2px solid var(--bp-gold);
  box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.12);
}

.page-about .about-timeline__year {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--bp-serif);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--bp-gold);
}

.page-about .about-timeline__item .bp-h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--bp-cream);
}

.page-about .about-timeline__item .bp-text {
  margin: 0;
  font-size: 15px;
}

.page-about .about-figure--side {
  border-radius: var(--bp-r-md);
}

/* ---------- 团队 ---------- */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: clamp(22px, 3.4vw, 32px);
}

.page-about .about-stat {
  border: 1px solid var(--bp-line);
  border-radius: var(--bp-r-md);
  background: rgba(18, 40, 61, 0.7);
  padding: 16px 18px;
  min-width: 0;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--bp-serif);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.1;
  color: var(--bp-gold);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--bp-mist);
}

.page-about .about-team {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

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

/* ---------- 合作与荣誉 ---------- */
.page-about .about-partners {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: clamp(20px, 3vw, 28px) 0 clamp(20px, 3vw, 28px);
}

.page-about .about-partners__cell {
  border: 1px solid rgba(217, 164, 65, 0.28);
  border-radius: var(--bp-r-md);
  background: rgba(217, 164, 65, 0.08);
  padding: 16px 18px;
  min-width: 0;
}

.page-about .about-partners__num {
  display: block;
  font-family: var(--bp-serif);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 32px);
  color: var(--bp-gold-soft);
  line-height: 1.1;
}

.page-about .about-partners__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--bp-mist);
}

.page-about .about-scroller {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-scroller:focus-visible {
  outline: 2px solid var(--bp-gold);
  outline-offset: 4px;
  border-radius: var(--bp-r-md);
}

.page-about .about-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 9px 18px;
  border-radius: var(--bp-r-pill);
  border: 1px solid var(--bp-line-strong);
  background: rgba(18, 40, 61, 0.9);
  color: var(--bp-gold-soft);
  font-size: 13.5px;
  line-height: 1.5;
  white-space: nowrap;
}

/* ---------- 右侧目录 ---------- */
.page-about .about-rail {
  display: none;
  min-width: 0;
}

.page-about .about-rail__title {
  margin: 0 0 14px;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--bp-mist);
  text-transform: uppercase;
}

.page-about .about-rail__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-rail__link {
  display: block;
  padding: 8px 0 8px 14px;
  border-left: 2px solid var(--bp-line);
  color: rgba(244, 239, 230, 0.78);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
  transition: color 0.2s var(--bp-ease), border-color 0.2s var(--bp-ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--bp-gold);
  border-left-color: var(--bp-gold);
}

.page-about .about-rail__note {
  padding: 16px;
  border: 1px solid var(--bp-line);
  border-radius: var(--bp-r-md);
  background: rgba(18, 40, 61, 0.6);
  font-size: 13px;
  line-height: 1.8;
  color: var(--bp-mist);
}

.page-about .about-rail__note p {
  margin: 0 0 10px;
}

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

.page-about .about-rail__note .bp-link {
  color: var(--bp-gold-soft);
}

/* ---------- 结尾行动 ---------- */
.page-about .about-cta {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--bp-line-strong);
  border-radius: var(--bp-r-lg);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(217, 164, 65, 0.18), transparent 60%),
    linear-gradient(120deg, rgba(200, 64, 46, 0.26), rgba(18, 40, 61, 0.9));
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-about .about-cta__title {
  margin: 0 0 8px;
  color: var(--bp-cream);
}

.page-about .about-cta__text {
  margin: 0;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
  }
}

@media (min-width: 840px) {
  .page-about .about-head {
    grid-template-columns: 76px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 18px;
  }

  .page-about .about-origin {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }

  .page-about .about-timeline-wrap {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) 320px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    align-items: end;
  }
}

@media (min-width: 1040px) {
  .page-about .about-layout {
    grid-template-columns: minmax(0, 1fr) var(--about-rail-w);
  }

  .page-about .about-rail {
    display: block;
    position: sticky;
    top: calc(var(--bp-header-h) + 26px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-tabs__tab,
  .page-about .about-rail__link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>