.page-about {
  --about-measure: 640px;
  --about-radius: 0px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--bar-h) + 46px) 0 54px;
  background:
    radial-gradient(130% 92% at 8% 0%, rgba(244, 98, 31, 0.16), transparent 58%),
    radial-gradient(90% 70% at 92% 12%, rgba(53, 208, 214, 0.10), transparent 62%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 84px 84px;
  pointer-events: none;
}

.page-about .about-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__crumb {
  margin-bottom: 26px;
}

.page-about .about-hero__eyebrow {
  color: var(--sand);
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(36px, 6.6vw, 88px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 14px 0 24px;
  max-width: 20ch;
  color: var(--paper);
}

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

.page-about .about-hero__lede {
  max-width: 660px;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--mist);
  margin: 0 0 6px;
}

.page-about .about-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 44px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-figures__cell {
  background: var(--ink-deep);
  padding: 18px 16px 20px;
}

.page-about .about-figures dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 10px;
}

.page-about .about-figures dd {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  color: var(--paper);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-about .about-figures dd span {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--sand);
  letter-spacing: 0;
}

/* ============ 起点 ============ */
.page-about .about-origin {
  padding-top: clamp(48px, 6vw, 88px);
}

.page-about .about-origin__note {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.page-about .about-origin__stamp {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
  margin-top: 12px;
  letter-spacing: 0.06em;
}

.page-about .about-origin__title {
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 28px;
}

.page-about .about-origin__prose {
  max-width: var(--about-measure);
}

.page-about .about-origin__prose p {
  margin: 0 0 1.2em;
  color: var(--mist);
}

.page-about .about-origin__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

/* ============ 时间线 ============ */
.page-about .about-track__head {
  margin-bottom: 42px;
}

.page-about .about-track__intro {
  max-width: 56ch;
  margin: 16px 0 0;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
}

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

.page-about .about-timeline__item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  column-gap: 16px;
  position: relative;
  padding-bottom: 52px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 16px;
  bottom: -4px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-strong), var(--line-soft));
}

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

.page-about .about-timeline__item:last-child::before {
  display: none;
}

.page-about .about-timeline__mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-top: 2px;
}

.page-about .about-timeline__dot {
  width: 12px;
  height: 12px;
  background: var(--clay);
  display: block;
  flex: none;
}

.page-about .about-timeline__dot--test {
  background: var(--alert);
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--sand);
  writing-mode: horizontal-tb;
}

.page-about .about-timeline__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
  opacity: 0.7;
}

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

.page-about .about-timeline__panel {
  border-top: 1px solid var(--line);
  padding-top: 6px;
}

.page-about .about-timeline__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 8px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-timeline__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--paper);
}

.page-about .about-timeline__summary::after {
  content: "";
  width: 9px;
  height: 9px;
  margin-left: auto;
  flex: none;
  border-right: 1px solid var(--sand);
  border-bottom: 1px solid var(--sand);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 200ms ease;
}

.page-about .about-timeline__panel[open] .about-timeline__summary::after {
  transform: rotate(-135deg) translateY(-2px);
}

.page-about .about-timeline__content {
  max-width: var(--about-measure);
  padding: 10px 0 4px;
}

.page-about .about-timeline__content p {
  margin: 0 0 1.1em;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
}

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

.page-about .about-timeline__figure {
  margin: 24px 0 0;
  max-width: 720px;
}

.page-about .about-timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  aspect-ratio: 1100 / 730;
}

.page-about .media__cap {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ============ 纸感区块（通用） ============ */
.page-about .about-section--paper {
  background: var(--paper);
  color: var(--ink-on-paper);
  border-top: 1px solid rgba(27, 39, 51, 0.14);
  border-bottom: 1px solid rgba(27, 39, 51, 0.14);
}

.page-about .about-section--paper .section-head__title {
  color: var(--ink);
}

.page-about .about-section--paper .label {
  color: #4C6656;
}

.page-about .about-section--paper .prose p {
  color: rgba(27, 39, 51, 0.82);
}

/* ============ 校对流程 ============ */
.page-about .about-pipeline {
  padding-top: clamp(52px, 6vw, 92px);
  padding-bottom: clamp(52px, 6vw, 92px);
}

.page-about .about-pipeline__mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1;
  color: var(--clay);
  margin: 14px 0 6px;
}

.page-about .about-pipeline__mark-note {
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: rgba(27, 39, 51, 0.6);
  max-width: 16ch;
}

.page-about .about-pipeline__title {
  border-bottom: 1px solid rgba(27, 39, 51, 0.2);
  padding-bottom: 20px;
  margin-bottom: 8px;
}

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

.page-about .about-flow__step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  column-gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(27, 39, 51, 0.14);
}

.page-about .about-flow__idx {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--clay);
  padding-top: 3px;
}

.page-about .about-flow__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-about .about-flow__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(27, 39, 51, 0.78);
  max-width: var(--about-measure);
}

.page-about .about-pipeline__foot {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  max-width: var(--about-measure);
}

/* ============ 团队 ============ */
.page-about .about-team__head {
  margin-bottom: 38px;
}

.page-about .about-team__table {
  border-top: 1px solid var(--line-strong);
}

.page-about .about-team__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 24px 14px;
  border-bottom: 1px solid var(--line);
  transition: background-color 200ms ease, border-color 200ms ease;
}

.page-about .about-team__row:hover,
.page-about .about-team__row:focus-within {
  background: var(--panel-soft);
  border-bottom-color: rgba(53, 208, 214, 0.5);
}

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

.page-about .about-team__role {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.3vw, 24px);
  line-height: 1.3;
  margin: 8px 0 0;
  color: var(--paper);
  transition: color 200ms ease;
}

.page-about .about-team__row:hover .about-team__role {
  color: var(--cyan);
}

.page-about .about-team__count {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  color: var(--sand);
  margin: 0 0 8px;
}

.page-about .about-team__duty {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
  max-width: var(--about-measure);
}

.page-about .about-team__figure {
  margin: 40px 0 0;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  aspect-ratio: 1600 / 800;
}

/* ============ 资质 ============ */
.page-about .about-certs {
  padding-top: clamp(52px, 6vw, 92px);
  padding-bottom: clamp(52px, 6vw, 92px);
}

.page-about .about-certs__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-about .about-certs__title {
  margin-top: 12px;
  border-bottom: 1px solid rgba(27, 39, 51, 0.2);
  padding-bottom: 20px;
}

.page-about .about-certs__lede {
  max-width: 58ch;
  margin: 22px 0 34px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(27, 39, 51, 0.78);
}

.page-about .about-certs__list {
  display: grid;
  gap: 1px;
  background: rgba(27, 39, 51, 0.16);
  border: 1px solid rgba(27, 39, 51, 0.16);
}

.page-about .about-cert {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 16px;
  background: var(--paper);
  padding: 22px 18px;
}

.page-about .about-cert__year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--clay);
  padding-top: 3px;
}

.page-about .about-cert__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-about .about-cert__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(27, 39, 51, 0.76);
}

.page-about .about-certs__aside {
  display: grid;
  gap: 1px;
  align-content: start;
  background: var(--ink);
  border: 1px solid rgba(27, 39, 51, 0.16);
}

.page-about .about-certs__figure {
  margin: 0;
  background: var(--ink);
}

.page-about .about-certs__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

.page-about .about-certs__stat {
  background: var(--ink-deep);
  padding: 22px 20px;
  border-top: 1px solid var(--line);
}

.page-about .about-certs__stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.2vw, 36px);
  line-height: 1;
  color: var(--orange);
  margin: 0 0 8px;
}

.page-about .about-certs__stat-num span {
  font-size: 14px;
  color: var(--sand);
}

.page-about .about-certs__stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sand);
  margin: 0 0 10px;
}

.page-about .about-certs__stat-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ============ 合作生态 ============ */
.page-about .about-partners__head {
  margin-bottom: 30px;
}

.page-about .about-partners__intro {
  max-width: 60ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-partners__filter {
  margin-bottom: 30px;
}

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

.page-about .about-partner {
  background: var(--panel-soft);
  padding: 24px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-about .about-partner__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1;
  color: var(--paper);
  margin: 4px 0 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-about .about-partner__num span {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--sand);
}

.page-about .about-partner .card__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--paper);
  margin: 0;
}

.page-about .about-partner .card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  flex: 1 1 auto;
}

.page-about .about-partner .card__foot {
  margin: 6px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--sand);
}

.page-about .about-partners__join {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line-strong);
}

.page-about .about-partners__join-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ============ 收尾 ============ */
.page-about .about-cta {
  padding-bottom: clamp(60px, 7vw, 110px);
}

.page-about .about-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 34px 24px;
  background:
    linear-gradient(120deg, rgba(244, 98, 31, 0.12) 0%, rgba(11, 27, 43, 0) 55%),
    var(--panel-soft);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--orange);
}

.page-about .about-cta__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-about .about-cta__text {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

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

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

  .page-about .about-team__row {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr);
    gap: 24px;
    align-items: start;
    padding: 26px 18px;
  }

  .page-about .about-team__count {
    margin-top: 0;
  }

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

@media (min-width: 900px) {
  .page-about .about-certs__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.85fr);
    align-items: start;
  }

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

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, 0.8fr);
    align-items: center;
    padding: 44px 40px;
  }

  .page-about .about-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-about .about-timeline__item {
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 28px;
  }

  .page-about .about-timeline__item::before {
    left: 45px;
  }

  .page-about .about-timeline__year {
    font-size: 13px;
  }

  .page-about .about-origin__note {
    padding-left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__row,
  .page-about .about-team__role,
  .page-about .about-timeline__summary::after {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</｜｜DSML｜｜ calls>