.page-about .about-crumb {
  padding-top: clamp(14px, 3vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(44px, 6vw, 84px);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 60px);
  align-items: start;
}

.page-about .about-hero__year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3.2rem, 11vw, 6.2rem);
  line-height: 0.84;
  letter-spacing: -0.06em;
  color: var(--ink);
  margin: 0 0 clamp(14px, 2.5vw, 22px);
}

.page-about .about-hero__year span {
  color: var(--orange);
}

.page-about .about-hero__figure {
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 26px),
    var(--white);
}

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

.page-about .about-hero__since {
  margin: 14px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--note);
  border-left: 2px solid var(--mint);
  padding-left: 12px;
}

.page-about .about-hero__title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 900;
  margin: 8px 0 18px;
  text-wrap: balance;
}

.page-about .about-hero__lede {
  max-width: 56ch;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
  color: var(--note);
  margin: 0;
}

.page-about .about-hero__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
}

/* 章节锚点目录 */
.page-about .anchors {
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--ink);
}

.page-about .anchors__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--ink);
  transition: color var(--dur) ease, padding-left var(--dur) ease, background var(--dur) ease;
}

.page-about .anchors__item:hover,
.page-about .anchors__item:focus-visible {
  color: var(--orange);
  padding-left: 12px;
  background: var(--white);
}

.page-about .anchors__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--grid);
  flex: none;
}

.page-about .anchors__label {
  font-weight: 700;
  font-size: 1rem;
}

.page-about .anchors__hint {
  margin-left: auto;
  font-size: 0.76rem;
  color: var(--note);
  flex: none;
}

/* ---------- 起源 ---------- */
.page-about .about-origin {
  padding-block: clamp(36px, 6vw, 72px);
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-about .about-origin__title {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 8px 0 16px;
}

.page-about .about-origin__text {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--note);
  margin: 0 0 14px;
  max-width: 62ch;
}

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

.page-about .about-origin__note {
  background: var(--sea);
  color: var(--paper);
  padding: clamp(18px, 3vw, 26px);
  margin-bottom: 18px;
}

.page-about .about-origin__note-k {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--mint);
  margin: 0 0 8px;
}

.page-about .about-origin__note-v {
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  font-weight: 800;
  line-height: 1.5;
  margin: 0;
}

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

.page-about .about-origin__list li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink);
  border-bottom: 1px dashed var(--line);
}

.page-about .about-origin__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 10px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  padding-block: clamp(40px, 6vw, 80px);
}

.page-about .about-timeline__head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-timeline__title {
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
}

.page-about .about-timeline__lede {
  margin: 0;
  color: var(--note);
  line-height: 1.85;
  max-width: 60ch;
}

.page-about .about-timeline__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-about .about-timeline__figure {
  border: 1px solid var(--line);
  background: var(--white);
}

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

.page-about .timeline {
  --tl-pad: clamp(24px, 5vw, 44px);
  position: relative;
  padding-left: var(--tl-pad);
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--grid);
}

.page-about .tl-item {
  position: relative;
  padding-bottom: clamp(24px, 3.6vw, 36px);
}

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

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--tl-pad) - 3.5px);
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--paper);
  border: 1px solid var(--grid);
  transition: background var(--dur) ease, border-color var(--dur) ease, transform var(--dur) ease;
}

.page-about .tl-item:hover::before {
  background: var(--orange);
  border-color: var(--orange);
  transform: scale(1.9);
}

.page-about .tl-item--mark::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-about .tl-year {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  transition: color var(--dur) ease;
}

.page-about .tl-item--mark .tl-year {
  color: var(--orange);
}

.page-about .tl-item:hover .tl-year {
  color: var(--orange);
}

.page-about .tl-title {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.5;
  margin: 8px 0 6px;
  color: var(--ink);
}

.page-about .tl-body {
  margin: 0;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--note);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding-block: clamp(40px, 6vw, 80px);
  background: var(--white);
  border-top: 1px solid var(--line);
}

.page-about .about-team__head {
  max-width: 66ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-team__title {
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
}

.page-about .about-team__lede {
  margin: 0;
  color: var(--note);
  line-height: 1.85;
  max-width: 58ch;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
}

.page-about .team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .team__card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: clamp(18px, 3vw, 26px);
  transition: border-color var(--dur) ease, background var(--dur) ease;
}

.page-about .team__card:hover {
  border-color: var(--orange);
  background: var(--white);
}

.page-about .team__num {
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 5vw, 2.8rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--orange);
  margin: 0 0 10px;
}

.page-about .team__role {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-about .team__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--note);
}

.page-about .team__more {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-about .team__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--sea);
  transition: color var(--dur) ease;
}

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

.page-about .team__more summary::before {
  content: "+ ";
  color: var(--orange);
  font-weight: 700;
}

.page-about .team__more[open] summary::before {
  content: "− ";
}

.page-about .team__more summary:hover {
  color: var(--orange);
}

.page-about .team__more-text {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--note);
}

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

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

/* ---------- 数据 ---------- */
.page-about .about-numbers {
  padding-block: clamp(40px, 6vw, 80px);
}

.page-about .stats {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(24px, 4vw, 44px);
}

.page-about .stats__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .stats__eyebrow {
  color: var(--mint);
}

.page-about .stats__title {
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 8px 0 0;
  color: var(--white);
}

.page-about .stats__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-about .stat {
  background: var(--ink);
  padding: clamp(16px, 2.6vw, 22px);
}

.page-about .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4.4vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--mint);
  margin: 0;
}

.page-about .stat__unit {
  font-size: 0.72em;
  margin-left: 3px;
  color: var(--grid);
}

.page-about .stat__label {
  margin: 10px 0 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: rgba(245, 241, 232, 0.72);
}

.page-about .stats__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.78);
  border-left: 2px solid var(--orange);
  padding-left: 14px;
  max-width: 70ch;
}

/* ---------- 荣誉 ---------- */
.page-about .about-awards {
  padding-block: clamp(36px, 6vw, 72px);
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-awards__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .about-awards__title {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 8px 0 16px;
}

.page-about .about-awards__text {
  margin: 0 0 14px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--note);
  max-width: 60ch;
}

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

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

.page-about .about-awards__panel {
  border-left: 3px solid var(--orange);
  background: var(--paper);
}

.page-about .about-awards__panel--alt {
  border-left-color: var(--mint);
}

.page-about .about-awards__panel-k {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0 0 6px;
}

.page-about .about-awards__panel-t {
  font-weight: 800;
  font-size: 1rem;
  margin: 0 0 4px;
  color: var(--ink);
}

.page-about .about-awards__panel-d {
  margin: 0;
  font-size: 0.82rem;
  color: var(--note);
}

/* ---------- 合作 ---------- */
.page-about .about-partner {
  padding-block: clamp(40px, 6vw, 80px) clamp(40px, 6vw, 72px);
}

.page-about .about-partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .about-partner__title {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 8px 0 16px;
}

.page-about .about-partner__text {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--note);
  max-width: 58ch;
}

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

.page-about .about-partner__aside {
  background: var(--sea);
  color: var(--paper);
  padding: clamp(20px, 3.4vw, 30px);
}

.page-about .about-partner__label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--mint);
  margin: 0 0 14px;
}

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

.page-about .about-partner__list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-about .about-partner__k {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--grid);
  margin-bottom: 5px;
  font-family: var(--font-mono);
}

.page-about .about-partner__v {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) ease, color var(--dur) ease;
  word-break: break-all;
}

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

.page-about .about-partner__v--plain {
  cursor: default;
}

.page-about .about-partner__note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.72);
}

.page-about .about-partner__copy {
  margin-top: 16px;
  width: 100%;
  justify-content: center;
}

/* 下一站路径 */
.page-about .about-next {
  margin-top: clamp(30px, 5vw, 52px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-next__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 4px;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  transition: color var(--dur) ease, padding-left var(--dur) ease;
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  color: var(--orange);
  padding-left: 12px;
}

.page-about .about-next__k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--note);
  flex: none;
}

.page-about .about-next__t {
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.5;
}

.page-about .about-next__arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--orange);
  flex: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-about .stats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

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

  .page-about .about-next__link {
    padding: 18px 20px;
  }

  .page-about .about-next__link:hover,
  .page-about .about-next__link:focus-visible {
    padding-left: 26px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7.5fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-hero__aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-about .about-timeline__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-about .about-timeline__visual {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

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

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

  .page-about .team__card:nth-child(2) {
    margin-top: 32px;
  }

  .page-about .team__card:nth-child(3) {
    margin-top: 16px;
  }

  .page-about .about-awards__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

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

  .page-about .about-awards__panel--alt {
    margin-left: 24px;
  }

  .page-about .about-partner__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

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

@media (min-width: 1100px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-about .team__card:nth-child(2) {
    margin-top: 0;
    margin-left: 28px;
  }

  .page-about .team__card:nth-child(3) {
    margin-top: 0;
    margin-left: 14px;
  }

  .page-about .about-team__figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (max-width: 380px) {
  .page-about .anchors__hint {
    display: none;
  }
}
<<<END>>>