.page-about {
  --about-hair: rgba(201, 163, 91, 0.42);
  --about-hair-soft: rgba(201, 163, 91, 0.22);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.78;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(18px, 3.4vw, 32px) 0 0;
}

.page-about .about-hero .breadcrumb__link,
.page-about .about-hero .breadcrumb__current {
  color: rgba(245, 240, 230, 0.72);
}

.page-about .about-hero .breadcrumb__link:hover {
  color: var(--gold-soft);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding: clamp(28px, 5vw, 56px) 0 clamp(26px, 4vw, 44px);
}

.page-about .about-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 200;
  font-size: clamp(38px, 8.4vw, 104px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-about .about-hero__title strong {
  font-weight: 900;
  color: var(--gold);
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 48ch;
  font-size: clamp(16px, 1.6vw, 19px);
  color: rgba(245, 240, 230, 0.84);
}

.page-about .about-hero__aside {
  border-top: 2px solid var(--gold);
  padding-top: 16px;
}

.page-about .about-hero__aside-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.page-about .about-hero__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 14px;
  color: rgba(245, 240, 230, 0.78);
}

.page-about .about-hero__list li {
  position: relative;
  padding-left: 18px;
}

.page-about .about-hero__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--mist);
}

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

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-about .about-wedge {
  height: clamp(24px, 4vw, 56px);
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-chapter {
  padding: clamp(52px, 8vw, 100px) 0;
  background: var(--paper);
}

.page-about .about-chapter--cream {
  background: var(--cream);
}

.page-about .about-chapter--ink {
  background: var(--ink);
  color: var(--paper);
}

.page-about .about-chapter__grid {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-about .about-chapter__aside {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  color: var(--gold);
}

.page-about .about-chapter__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-about .about-chapter--ink .about-chapter__label {
  color: rgba(245, 240, 230, 0.6);
}

.page-about .about-chapter__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(28px, 4.6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.page-about .about-chapter__title strong {
  font-weight: 900;
  color: var(--ink);
}

.page-about .about-chapter--ink .about-chapter__title {
  color: var(--cream);
}

.page-about .about-chapter--ink .about-chapter__title strong {
  color: var(--gold);
}

.page-about .about-chapter__lede {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 52ch;
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--muted);
}

.page-about .about-chapter--ink .about-chapter__lede {
  color: rgba(245, 240, 230, 0.74);
}

.page-about .about-copy {
  display: grid;
  gap: 16px;
  max-width: 62ch;
}

.page-about .about-copy p {
  margin: 0;
}

.page-about .about-copy--ink p {
  color: rgba(245, 240, 230, 0.84);
}

/* ---------- 三原则 ---------- */
.page-about .about-tenets {
  display: grid;
  gap: 16px;
}

.page-about .about-tenet {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  padding: 24px 22px 26px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-about .about-tenet__no {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--coral);
}

.page-about .about-tenet h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  color: var(--ink);
}

.page-about .about-tenet p {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}

/* ---------- 覆盖数字 ---------- */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(201, 163, 91, 0.34);
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-about .about-stat {
  background: var(--ink-2);
  padding: 20px 18px 22px;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.05;
  color: var(--gold);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(245, 240, 230, 0.74);
}

/* ---------- 时间轴 ---------- */
.page-about .about-figure {
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .about-track__graphic {
  display: block;
  width: 100%;
  height: 46px;
  color: var(--gold);
  margin-bottom: -12px;
}

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

.page-about .about-track__item {
  border: 1px solid var(--line);
  background: var(--cream);
  border-left: 3px solid var(--coral);
}

.page-about .about-track__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-track__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--coral);
}

.page-about .about-track__name {
  flex: 1 1 150px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}

.page-about .about-track__year {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-track__body {
  padding: 0 16px 16px;
  border-top: 1px dashed var(--about-hair-soft);
  margin-top: 2px;
  padding-top: 12px;
}

.page-about .about-track__body p {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}

/* ---------- 团队 ---------- */
.page-about .about-roles {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .about-role {
  display: grid;
  gap: 6px;
  padding: 16px 0 16px 18px;
  border-left: 2px solid var(--mist);
}

.page-about .about-role__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-2);
}

.page-about .about-role p {
  margin: 0;
  font-size: 15px;
}

.page-about .about-inline-link {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.page-about .about-inline-link a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 4px;
}

.page-about .about-side-figure {
  margin: 0;
}

.page-about .about-side-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-about .about-side-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 协作与收尾 ---------- */
.page-about .about-partners {
  display: grid;
  gap: 14px;
}

.page-about .about-partner {
  padding: 20px 20px 22px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-left: 3px solid var(--mist);
}

.page-about .about-partner h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}

.page-about .about-partner p {
  margin: 0;
  font-size: 15px;
}

.page-about .about-cta {
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(22px, 3.4vw, 34px);
  background: var(--ink);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-about .about-cta__text {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 15px;
  color: rgba(245, 240, 230, 0.86);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-about .about-tenets {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }

  .page-about .about-tenet:nth-child(2) {
    margin-top: 30px;
  }

  .page-about .about-tenet:nth-child(3) {
    margin-top: 14px;
  }

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

  .page-about .about-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: end;
  }

  .page-about .about-hero__aside {
    padding-bottom: 6px;
  }

  .page-about .about-chapter__grid {
    grid-template-columns: 150px minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-about .about-chapter__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    border-top: 2px solid var(--about-hair);
    padding-top: 14px;
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-about .about-chapter--ink .about-chapter__aside {
    border-top-color: rgba(201, 163, 91, 0.5);
  }

  .page-about .about-chapter__label {
    letter-spacing: 0.28em;
  }

  .page-about .about-chapter__grid--with-figure {
    grid-template-columns: 150px minmax(0, 1fr) 280px;
    align-items: start;
  }

  .page-about .about-side-figure {
    align-self: stretch;
  }

  .page-about .about-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-role {
    border-left: 2px solid var(--about-hair);
    padding: 16px 12px 16px 16px;
  }

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

@media (min-width: 1200px) {
  .page-about .about-hero__figure img {
    max-height: 520px;
  }

  .page-about .about-copy {
    column-gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-track__summary,
  .page-about .about-tenet {
    transition: none;
  }
}
<<<PAGE_CSS_BLOCK_END>>>