.page-about {
  --about-line: rgba(110, 143, 106, .3);
  --about-line-soft: rgba(110, 143, 106, .14);
  --about-node: #8A9099;
  --about-node-on: #2E6B4B;
  --about-gap: clamp(56px, 9vw, 104px);

  background: var(--night);
  color: var(--cream);
  padding-block: 26px calc(var(--fs-64) * 1.5);
}

.page-about .about-crumb {
  margin-bottom: clamp(26px, 5vw, 48px);
}

/* ---------- 首屏 ---------- */
.page-about .about-intro {
  display: grid;
  gap: 16px;
  padding-bottom: clamp(40px, 7vw, 68px);
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-intro__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-about .about-intro__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(30px, 6.2vw, 44px);
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--cream);
}

.page-about .about-intro__lead {
  margin: 0;
  max-width: 36em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(242, 238, 227, .8);
}

.page-about .about-intro__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 6px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-intro__metaItem {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: var(--fs-14);
  color: var(--rock);
}

.page-about .about-intro__num {
  font-size: var(--fs-20);
  color: var(--lime);
  letter-spacing: .02em;
}

/* ---------- 章节标题间距 ---------- */
.page-about .section-head {
  margin-bottom: clamp(22px, 4vw, 36px);
}

/* ---------- 01 起点 ---------- */
.page-about .about-origin {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  padding-block: var(--about-gap);
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-prose p {
  max-width: 37em;
  margin: 0 0 16px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(242, 238, 227, .8);
}

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

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

.page-about .about-origin__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 20px 20px 6px 6px;
  filter: saturate(.86);
}

/* ---------- 02 流程 ---------- */
.page-about .about-flow {
  padding-block: var(--about-gap);
  border-bottom: 1px dashed var(--about-line);
}

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

.page-about .about-step__box {
  background: var(--stand);
  border: 1px solid var(--about-line-soft);
  border-radius: 16px;
  transition: border-color .28s ease, background-color .28s ease;
}

.page-about .about-step__box[open] {
  border-color: var(--about-line);
  background: #12243A;
}

.page-about .about-step__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 18px 52px 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-step__head::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1;
  color: var(--moss);
  transition: color .2s ease;
}

.page-about .about-step__box[open] .about-step__head::after {
  content: "–";
  color: var(--lime);
}

.page-about .about-step__head:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-about .about-step__num {
  font-size: var(--fs-20);
  color: var(--flame);
  letter-spacing: .04em;
}

.page-about .about-step__label {
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--cream);
}

.page-about .about-step__brief {
  flex: 1 1 100%;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--rock);
}

.page-about .about-step__detail {
  padding: 0 20px 20px 20px;
}

.page-about .about-step__detail p {
  max-width: 40em;
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(242, 238, 227, .76);
}

/* ---------- 03 团队 ---------- */
.page-about .about-team {
  padding-block: var(--about-gap);
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-team__grid {
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-about .about-team__card {
  display: grid;
  gap: 6px;
  padding: 22px 20px 24px;
  background: var(--stand);
  border-radius: 16px;
  border-top: 3px solid var(--moss);
}

.page-about .about-team__card:nth-child(1) { border-top-color: var(--pitch); }
.page-about .about-team__card:nth-child(2) { border-top-color: var(--verified); }
.page-about .about-team__card:nth-child(3) { border-top-color: var(--clay); }
.page-about .about-team__card--cross { border-top-color: var(--lime); }

.page-about .about-team__tag {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-about .about-team__name {
  margin: 2px 0 0;
  font-size: var(--fs-20);
  line-height: 1.4;
  color: var(--cream);
}

.page-about .about-team__count {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--lime);
}

.page-about .about-team__card--cross .about-team__count {
  color: var(--cream);
}

.page-about .about-team__desc {
  margin: 8px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(242, 238, 227, .74);
}

/* ---------- 04 时间轴 ---------- */
.page-about .about-timeline {
  padding-block: var(--about-gap);
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-about .about-jump__link {
  padding: 7px 15px;
  border: 1px solid var(--about-line);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--moss);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}

.page-about .about-jump__link:hover,
.page-about .about-jump__link:focus-visible {
  color: var(--night);
  background: var(--lime);
  border-color: var(--lime);
}

.page-about .about-tl__figure {
  margin: 0 0 clamp(30px, 5vw, 48px);
}

.page-about .about-tl__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 14px;
  filter: saturate(.82);
}

.page-about .about-tl {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(26px, 4vw, 42px);
}

.page-about .about-tl__item {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .about-tl__scale {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-about .about-tl__dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--about-node);
  box-shadow: 0 0 0 4px rgba(138, 144, 153, .14);
  transition: background-color .4s ease, box-shadow .4s ease;
}

.page-about .about-tl__item.is-visible .about-tl__dot {
  background: var(--about-node-on);
  box-shadow: 0 0 0 4px rgba(46, 107, 75, .28);
}

.page-about .about-tl__season {
  margin: 0;
  font-size: var(--fs-20);
  letter-spacing: .02em;
  color: var(--cream);
}

.page-about .about-tl__span {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--rock);
}

.page-about .about-tl__card {
  padding: clamp(20px, 3vw, 28px);
  background: var(--stand);
  border: 1px solid var(--about-line-soft);
  border-radius: 16px;
}

.page-about .about-tl__title {
  margin: 0 0 12px;
  font-size: var(--fs-20);
  line-height: 1.45;
  color: var(--cream);
}

.page-about .about-tl__card p {
  max-width: 40em;
  margin: 0 0 14px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: rgba(242, 238, 227, .78);
}

.page-about .about-tl__facts {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--about-line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.page-about .about-tl__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: var(--fs-12);
  color: var(--rock);
}

.page-about .about-tl__facts b {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--lime);
}

/* ---------- 05 边界 ---------- */
.page-about .about-limits {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  padding-block: var(--about-gap);
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-limits__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .about-limits__item {
  padding-left: 20px;
  border-left: 2px solid var(--about-line);
}

.page-about .about-limits__item:nth-child(1) { border-left-color: var(--flame); }
.page-about .about-limits__item:nth-child(2) { border-left-color: var(--clay); }
.page-about .about-limits__item:nth-child(3) { border-left-color: var(--moss); }
.page-about .about-limits__item:nth-child(4) { border-left-color: var(--verified); }

.page-about .about-limits__label {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--cream);
}

.page-about .about-limits__item p {
  max-width: 40em;
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(242, 238, 227, .74);
}

.page-about .about-limits__item p a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-about .about-limits__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 6px 20px 20px 6px;
  filter: saturate(.8);
}

/* ---------- 继续查看 ---------- */
.page-about .about-next {
  display: grid;
  gap: 18px;
  margin-top: clamp(44px, 7vw, 76px);
  padding: clamp(26px, 4vw, 40px) clamp(20px, 3.5vw, 36px);
  border: 1px dashed var(--about-line);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(46, 107, 75, .26), rgba(13, 27, 42, .1));
}

.page-about .about-next__lead {
  margin: 0;
  max-width: 26em;
  font-size: var(--fs-20);
  line-height: 1.6;
  color: var(--cream);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-origin {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-about .about-limits {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-about .about-tl {
    position: relative;
  }

  .page-about .about-tl::before {
    content: "";
    position: absolute;
    left: 148px;
    top: 14px;
    bottom: 14px;
    width: 1px;
    background: linear-gradient(to bottom,
      transparent,
      var(--about-line) 5%,
      var(--about-line) 95%,
      transparent);
  }

  .page-about .about-tl__item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-tl__scale {
    display: block;
    position: relative;
    margin-bottom: 0;
    padding-top: 4px;
    text-align: right;
  }

  .page-about .about-tl__dot {
    position: absolute;
    right: -34px;
    top: 12px;
  }

  .page-about .about-tl__span {
    margin-top: 4px;
  }
}

@media (min-width: 1080px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-team__card:nth-child(2) {
    margin-top: 22px;
  }

  .page-about .about-team__card:nth-child(4) {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-tl__dot,
  .page-about .about-step__box,
  .page-about .about-jump__link {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</result>