.page-about {
  --about-rail: 260px;
  --about-gap: 52px;
  --about-wash: linear-gradient(180deg, rgba(127, 168, 166, .16) 0%, rgba(127, 168, 166, 0) 72%);
  --about-hairline: 1px solid var(--line);
  color: var(--ink);
}

.page-about .breadcrumb {
  margin: 24px 0 6px;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: 18px 0 64px;
  background:
    radial-gradient(120% 80% at 8% 0%, rgba(127, 168, 166, .18) 0%, rgba(127, 168, 166, 0) 60%),
    var(--paper);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -30px auto;
  width: 60%;
  height: 220px;
  background: radial-gradient(closest-side, rgba(201, 162, 39, .14), transparent 70%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: end;
}

.page-about .about-hero__lead .eyebrow {
  margin-bottom: 20px;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 7vw, 76px);
  line-height: 1.06;
  letter-spacing: .01em;
  margin: 0 0 22px;
  color: var(--ink-2);
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--seal);
  position: relative;
  padding: 0 2px;
}

.page-about .about-hero__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .06em;
  height: .1em;
  background: var(--brass);
  opacity: .55;
  z-index: -1;
}

.page-about .about-hero__lead .lede {
  max-width: 46ch;
  color: var(--ink-2);
  opacity: .88;
}

.page-about .about-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: var(--about-hairline);
}

.page-about .about-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .about-hero__meta-item dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-about .about-hero__meta-item dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink-2);
  font-weight: 600;
}

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

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--about-hairline);
  box-shadow: var(--shadow-lift);
  background: linear-gradient(160deg, var(--paper-2), var(--tide));
}

.page-about .about-hero__figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--brass);
}

/* ---------- 编号章节骨架 ---------- */
.page-about .about-section {
  position: relative;
  padding: 68px 0;
  background: var(--paper);
}

.page-about .about-section + .about-section {
  border-top: var(--about-hairline);
}

.page-about .about-section.section--tide {
  background: var(--about-wash), var(--paper);
}

.page-about .about-section.section--paper {
  background: var(--paper-2);
}

.page-about .about-section.section--ink {
  background: var(--ink-2);
  color: var(--paper);
}

.page-about .about-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-about .about-section__rail {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.page-about .about-section__index {
  font-size: clamp(40px, 9vw, 76px);
  line-height: .9;
  letter-spacing: .02em;
  color: var(--brass);
  font-weight: 700;
  transition: color .35s var(--ease), transform .35s var(--ease);
}

.page-about .about-section.is-active .about-section__index {
  color: var(--seal);
}

.page-about .about-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.24;
  margin: 0;
  color: inherit;
}

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

.page-about .about-section__rule {
  display: block;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--brass), transparent);
  margin-top: 4px;
}

.page-about .about-section.section--ink .about-section__rule {
  background: linear-gradient(90deg, var(--brass), transparent 80%);
}

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

.page-about .about-section__body.prose,
.page-about .about-section__body > .prose {
  max-width: var(--maxw-text);
  color: var(--ink);
}

.page-about .about-section.section--ink .about-section__body.prose {
  color: rgba(244, 241, 234, .9);
}

/* ---------- Rhythm 区块 ---------- */
.page-about .rhythm-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 30px 0 32px;
}

.page-about .rhythm-card {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--paper-2);
  border: var(--about-hairline);
  border-top: 3px solid var(--brass);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-about .rhythm-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.page-about .rhythm-card__num {
  display: inline-block;
  font-size: 13px;
  color: var(--stone);
  letter-spacing: .1em;
  margin-bottom: 12px;
}

.page-about .rhythm-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 0 0 8px;
  color: var(--ink-2);
}

.page-about .rhythm-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .rhythm-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 22px 24px;
  border: var(--about-hairline);
  border-left: 4px solid var(--seal);
  background: var(--paper);
  border-radius: var(--radius);
}

.page-about .rhythm-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .rhythm-stats__num {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--ink-2);
}

.page-about .rhythm-stats__label {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 团队区块 ---------- */
.page-about .team-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.page-about .team-cell {
  position: relative;
  padding: 26px 22px;
  background: var(--paper);
  border: var(--about-hairline);
  border-radius: var(--radius);
  box-shadow: inset 6px 0 0 var(--tide);
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}

.page-about .team-cell:hover {
  transform: translateY(-3px);
  box-shadow: inset 6px 0 0 var(--seal), var(--shadow);
}

.page-about .team-cell__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.page-about .team-cell__head h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 0;
  color: var(--ink-2);
}

.page-about .team-cell p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-about .team-cell__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .team-cell__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--stone);
  font-family: var(--font-mono);
  letter-spacing: .01em;
}

.page-about .team-cell__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 10px;
  height: 2px;
  background: var(--brass);
}

/* ---------- 历程时间线 ---------- */
.page-about .about-history-figure {
  margin: 26px 0 30px;
}

.page-about .about-history-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
  display: block;
  border: var(--about-hairline);
  background: linear-gradient(120deg, var(--tide), var(--paper-3));
}

.page-about .about-history-figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  position: relative;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--tide), rgba(127, 168, 166, .2));
}

.page-about .timeline__item {
  position: relative;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.page-about .timeline__dot {
  position: relative;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--paper);
  border: 2px solid var(--brass);
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 700;
  z-index: 1;
}

.page-about .timeline__item--current .timeline__dot {
  background: var(--seal);
  border-color: var(--seal);
  color: var(--paper);
}

.page-about .timeline__body {
  min-width: 0;
  padding-bottom: 4px;
}

.page-about .timeline__stage {
  margin: 6px 0 6px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: var(--font-mono);
}

.page-about .timeline__body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 0 0 8px;
  color: var(--ink-2);
}

.page-about .timeline__body p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 合作与荣誉 ---------- */
.page-about .about-partner-figure {
  margin: 26px 0 26px;
}

.page-about .about-partner-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  display: block;
  border: var(--about-hairline);
  background: linear-gradient(150deg, var(--paper-3), var(--tide));
}

.page-about .about-partner-figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

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

.page-about .partner-card {
  padding: 20px 20px 18px;
  background: var(--paper-2);
  border: var(--about-hairline);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background .25s var(--ease);
}

.page-about .partner-card:hover {
  background: var(--paper-3);
}

.page-about .partner-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-about .honor-band {
  padding: 26px 24px 24px;
  border: var(--about-hairline);
  border-top: 3px solid var(--brass);
  background: var(--paper);
  border-radius: var(--radius);
}

.page-about .honor-band__title {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 8px;
  color: var(--ink-2);
}

.page-about .honor-band__intro {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
  max-width: 62ch;
}

.page-about .honor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-about .honor-list__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 2px;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  color: var(--ink-2);
}

.page-about .honor-list__item:last-child {
  border-bottom: 0;
}

.page-about .honor-list__mark {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--seal);
}

/* ---------- 收束承诺 ---------- */
.page-about .about-section--final {
  position: relative;
  overflow: hidden;
}

.page-about .about-section--final::before {
  content: "";
  position: absolute;
  inset: auto -8% -60px auto;
  width: 60%;
  height: 200px;
  background: radial-gradient(closest-side, rgba(230, 168, 23, .18), transparent 70%);
  pointer-events: none;
}

.page-about .about-section__promise {
  max-width: var(--maxw-text);
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.75;
  color: rgba(244, 241, 234, .92);
  margin: 0 0 30px;
  padding-left: 18px;
  border-left: 3px solid var(--brass);
}

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

.page-about .promise-card {
  padding: 20px 20px 18px;
  background: rgba(244, 241, 234, .06);
  border: 1px solid rgba(244, 241, 234, .14);
  border-radius: var(--radius);
}

.page-about .promise-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .promise-card p {
  margin: 0;
  color: rgba(244, 241, 234, .74);
  font-size: 14px;
  line-height: 1.72;
}

.page-about .about-cta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 26px;
  border-top: 1px solid rgba(244, 241, 234, .16);
}

.page-about .about-cta__text h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .about-cta__text p {
  margin: 0;
  color: rgba(244, 241, 234, .72);
  font-size: 14.5px;
  line-height: 1.72;
  max-width: 52ch;
}

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

/* ---------- 返回顶部 ---------- */
.page-about .to-top {
  position: fixed;
  right: 18px;
  bottom: 22px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--brass);
  background: var(--paper);
  color: var(--ink-2);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s var(--ease), visibility .25s var(--ease), transform .25s var(--ease);
  z-index: 30;
}

.page-about .to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.page-about .to-top:hover {
  transform: translateY(-2px);
  background: var(--brass);
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-about .about-cta {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-about .about-cta__text {
    flex: 1 1 auto;
    max-width: 60ch;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    padding: 24px 0 88px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: 64px;
  }

  .page-about .about-section {
    padding: 96px 0;
  }

  .page-about .about-section__grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: var(--about-gap);
    align-items: start;
  }

  .page-about .about-section__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    flex-wrap: nowrap;
  }

  .page-about .about-section__rule {
    margin-top: 8px;
  }

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

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

  .page-about .about-history-figure {
    margin: 32px 0 36px;
  }

  .page-about .timeline {
    gap: 30px;
  }
}

@media (min-width: 1100px) {
  .page-about {
    --about-rail: 300px;
    --about-gap: 72px;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>