.page-about {
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-about .about-top {
  padding: 18px 0 4px;
}

.page-about .about-top .breadcrumb__link {
  color: var(--muted);
}

.page-about .about-top .breadcrumb__item:last-child .breadcrumb__link {
  color: var(--teal-dark);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  background: linear-gradient(180deg, rgba(227, 207, 176, 0.62) 0%, rgba(243, 231, 211, 0) 68%);
  border-bottom: 1px solid var(--line-brass);
}

.page-about .about-hero__inner {
  display: grid;
  gap: 32px;
  padding: 12px 0 40px;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 8vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.04em;
}

.page-about .about-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  color: var(--ink);
}

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

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

.page-about .about-stats__cell {
  background: var(--card);
  padding: 14px 16px 16px;
}

.page-about .about-stats dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-stats dd {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 6px 0 0;
}

.page-about .about-stats__num {
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--teal-dark);
}

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

/* ---------- 主体流 ---------- */

.page-about .about-flow {
  display: grid;
  gap: 0;
  padding: 8px 0 64px;
}

.page-about .about-rail {
  padding: 16px 0 12px;
  border-bottom: 1px solid var(--line-brass-soft);
}

.page-about .about-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-about .about-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid var(--line-brass-soft);
  background: var(--card);
  color: var(--teal-dark);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  background: var(--sand-deep);
  border-color: var(--brass);
}

.page-about .about-rail__year {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-about .about-rail__name {
  font-size: 12px;
  color: var(--muted);
}

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

/* ---------- 章节 ---------- */

.page-about .about-section {
  padding: 44px 0 0;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-about .about-section__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 12px;
  margin-bottom: 12px;
  border-top: 1px solid var(--line-brass);
}

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

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

.page-about .about-section__year::before {
  content: "·";
  margin-right: 10px;
  color: var(--brass);
}

.page-about .about-h2 {
  margin: 0 0 16px;
  font-size: clamp(25px, 5vw, 33px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.page-about .about-h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-section p {
  max-width: 38em;
  margin: 0 0 16px;
  line-height: 1.75;
}

.page-about .about-section p strong {
  font-weight: 700;
  color: var(--teal-dark);
}

.page-about .about-quote {
  margin-top: 22px;
  padding: 14px 0 14px 18px;
  border-left: 3px solid var(--amber);
  background: linear-gradient(90deg, rgba(227, 207, 176, 0.55), rgba(243, 231, 211, 0));
}

.page-about .about-quote p {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--teal-dark);
}

/* ---------- 分类 ---------- */

.page-about .about-cats {
  display: grid;
  gap: 1px;
  margin: 22px 0 22px;
  padding: 0;
  list-style: none;
  background: var(--line-teal);
  border-top: 1px solid var(--line-brass-soft);
  border-bottom: 1px solid var(--line-brass-soft);
}

.page-about .about-cats__item {
  background: var(--sand);
  padding: 16px 2px 16px 0;
}

.page-about .about-cats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-deep);
  margin-bottom: 6px;
}

.page-about .about-cats__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.page-about .about-cats__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 团队 ---------- */

.page-about .about-section--card {
  background: var(--sand-deep);
  padding: 32px 20px 34px;
  margin-top: 44px;
  border-top: 1px solid var(--line-brass-soft);
  border-bottom: 1px solid var(--line-brass-soft);
}

.page-about .about-section--card .about-section {
  padding-top: 0;
}

.page-about .about-team {
  display: grid;
  gap: 26px;
  margin-top: 6px;
}

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

.page-about .about-team .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.page-about .about-team .tabs__tab {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 14px;
  border: 1px solid var(--line-teal);
  background: var(--card);
  color: var(--teal-dark);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.page-about .about-team .tabs__tab:hover {
  border-color: var(--brass);
}

.page-about .about-team .tabs__tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-about .about-team .tabs__tab[aria-selected="true"] {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--card);
}

.page-about .about-tabnum {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-about .about-team .tabs__tab[aria-selected="true"] .about-tabnum {
  color: var(--amber);
}

.page-about .about-panel {
  padding: 18px 18px 4px;
  background: var(--card);
  border-left: 3px solid var(--teal);
}

.page-about .about-panel p {
  margin: 0 0 12px;
  font-size: 16px;
  max-width: 38em;
}

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

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-brass-soft);
}

.page-about .about-figure__cap {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 审核 ---------- */

.page-about .about-section--deep {
  background: var(--teal-dark);
  color: var(--card);
  margin-top: 44px;
  padding: 32px 20px 34px;
  border-top: 1px solid var(--line-brass);
}

.page-about .about-section--deep .about-section__head {
  border-top-color: rgba(201, 162, 39, 0.55);
}

.page-about .about-section--deep .about-section__num {
  color: var(--amber);
}

.page-about .about-section--deep .about-section__year {
  color: rgba(251, 245, 234, 0.72);
}

.page-about .about-h2--light {
  color: var(--card);
}

.page-about .about-deep__lede {
  color: rgba(251, 245, 234, 0.82);
  max-width: 36em;
}

.page-about .audit {
  position: relative;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .audit__step {
  position: relative;
  padding: 0 0 26px 34px;
}

.page-about .audit__step:last-child {
  padding-bottom: 4px;
}

.page-about .audit__step::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 14px;
  bottom: -6px;
  width: 1px;
  background: rgba(201, 162, 39, 0.5);
}

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

.page-about .audit__step::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--teal-dark);
  border: 2px solid var(--amber);
}

.page-about .audit__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 4px;
}

.page-about .audit__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--card);
}

.page-about .audit__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(251, 245, 234, 0.84);
  max-width: 36em;
}

.page-about .audit__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--teal-mist);
  max-width: 36em;
  overflow: hidden;
  transition: max-height 0.28s ease, opacity 0.22s ease, margin-top 0.28s ease;
  max-height: 12em;
  opacity: 1;
  margin-top: 10px;
}

.page-about .audit__step:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 6px;
}

/* ---------- 覆盖 ---------- */

.page-about .about-figure--wide {
  margin: 4px 0 22px;
}

.page-about .about-links {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  background: var(--line-teal);
  border: 1px solid var(--line-brass-soft);
}

.page-about .about-links__item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--card);
  text-decoration: none;
  transition: background-color 0.12s ease;
}

.page-about .about-links__item:hover,
.page-about .about-links__item:focus-visible {
  background: var(--sand-deep);
}

.page-about .about-links__k {
  font-size: 15px;
  font-weight: 700;
  color: var(--teal-dark);
}

.page-about .about-links__v {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 年份节点 ---------- */

.page-about .about-section--trace {
  margin-top: 12px;
}

.page-about .about-trace {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

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

.page-about .trace__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0 16px;
  border-top: 1px solid var(--line-teal);
}

.page-about .trace__item:last-child {
  border-bottom: 1px solid var(--line-teal);
}

.page-about .trace__year {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--teal-dark);
}

.page-about .trace__item--accent .trace__year {
  color: var(--amber-deep);
}

.page-about .trace__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
}

.page-about .trace__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 34em;
}

.page-about .about-trace__figure {
  order: -1;
}

/* ---------- 收尾 ---------- */

.page-about .about-cta {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line-brass);
}

.page-about .about-cta__inner {
  max-width: 44em;
}

.page-about .about-cta p {
  margin: 0 0 22px;
  line-height: 1.75;
}

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

/* ---------- 断点 ---------- */

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

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

  .page-about .about-cats__item {
    padding: 18px;
  }

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

  .page-about .trace__item {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-about .trace__year {
    font-size: 34px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 52px;
    padding: 24px 0 54px;
  }

  .page-about .about-section--card,
  .page-about .about-section--deep {
    padding: 40px 36px 44px;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 34px;
    align-items: start;
  }

  .page-about .about-trace {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 40px;
    align-items: start;
  }

  .page-about .about-trace__figure {
    order: 0;
  }

  .page-about .audit__note {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
  }

  .page-about .audit__step:hover .audit__note,
  .page-about .audit__step:focus-within .audit__note,
  .page-about .audit__step:focus .audit__note {
    max-height: 12em;
    opacity: 1;
    margin-top: 10px;
  }

  .page-about .trace__year {
    font-size: 40px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-flow {
    grid-template-columns: 152px minmax(0, 1fr);
    column-gap: 56px;
    padding: 40px 0 88px;
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    padding: 6px 0 0;
    border-bottom: 0;
    border-left: 1px solid var(--line-brass-soft);
    padding-left: 14px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-about .about-rail__link {
    display: flex;
    justify-content: flex-start;
    gap: 10px;
    padding: 7px 8px;
    background: transparent;
    border-color: transparent;
    border-bottom: 1px solid var(--line-brass-soft);
  }

  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible {
    background: var(--sand-deep);
    border-color: transparent;
    border-bottom-color: var(--brass);
  }

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

  .page-about .about-section {
    padding-top: 8px;
  }

  .page-about .about-section + .about-section {
    margin-top: 56px;
  }

  .page-about .about-section--card,
  .page-about .about-section--deep {
    margin-top: 56px;
  }

  .page-about .audit {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-about .audit__step {
    padding: 34px 0 0;
  }

  .page-about .audit__step::before {
    left: 0;
    right: 0;
    top: 16px;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-about .audit__step:last-child::before {
    display: block;
  }

  .page-about .audit__step::after {
    left: 0;
    top: 11px;
  }
}
</｜｜DSML｜｜ parameter>
</result>