.page-about {
  --about-rail: 120px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏框景 ---------- */
.page-about .about-hero {
  position: relative;
  background:
    radial-gradient(118% 88% at 82% 6%, rgba(185, 242, 39, .11), transparent 58%),
    linear-gradient(178deg, var(--night) 0%, #04191c 100%);
  color: var(--sand);
  padding: 22px 0 68px;
  overflow: hidden;
}

.page-about .about-hero__shell {
  position: relative;
  padding: 30px 26px 22px;
}

.page-about .about-hero__frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(var(--lime), var(--lime)) 0 0 / 26px 2px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 0 0 / 2px 26px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 100% 0 / 26px 2px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 100% 0 / 2px 26px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 0 100% / 26px 2px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 0 100% / 2px 26px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 100% 100% / 26px 2px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 100% 100% / 2px 26px no-repeat,
    linear-gradient(rgba(232, 220, 192, .22), rgba(232, 220, 192, .22)) 0 0 / 100% 1px no-repeat,
    linear-gradient(rgba(232, 220, 192, .22), rgba(232, 220, 192, .22)) 0 100% / 100% 1px no-repeat,
    linear-gradient(rgba(232, 220, 192, .22), rgba(232, 220, 192, .22)) 0 0 / 1px 100% no-repeat,
    linear-gradient(rgba(232, 220, 192, .22), rgba(232, 220, 192, .22)) 100% 0 / 1px 100% no-repeat;
  opacity: .9;
}

.page-about .about-hero__crumb,
.page-about .about-hero__crumb a {
  color: rgba(232, 220, 192, .68);
}

.page-about .about-hero__body {
  margin-top: 30px;
}

.page-about .about-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(185, 242, 39, .12);
  border: 1px solid rgba(185, 242, 39, .34);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-about .about-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(30px, 5.6vw, 54px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-about .about-hero__lede {
  max-width: 62ch;
  margin: 24px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 220, 192, .84);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 38px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid rgba(232, 220, 192, .16);
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-hero__facts .num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--lime);
}

.page-about .about-hero__facts em {
  font-style: normal;
  font-size: 13px;
  letter-spacing: .06em;
  color: rgba(232, 220, 192, .66);
}

/* ---------- 时间轴长卷 ---------- */
.page-about .about-timeline {
  position: relative;
  background: var(--paper);
}

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

.page-about .about-phase--light {
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-phase--sand {
  background: var(--sand);
  color: var(--ink);
}

.page-about .about-phase--dark {
  background: var(--night);
  color: var(--sand);
}

.page-about .about-phase__grid {
  display: grid;
  grid-template-columns: var(--about-rail) minmax(0, 1fr);
  align-items: stretch;
}

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

.page-about .about-phase__rail::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: linear-gradient(180deg, rgba(20, 102, 107, .62) 0%, rgba(20, 102, 107, .14) 100%);
}

.page-about .about-phase--dark .about-phase__rail::after {
  background: linear-gradient(180deg, rgba(185, 242, 39, .5) 0%, rgba(143, 163, 166, .14) 100%);
}

.page-about .about-phase__mark {
  position: absolute;
  top: 74px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  outline: none;
}

.page-about .about-phase__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(185, 242, 39, .18);
}

.page-about .about-phase__year {
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--paper);
  border: 1px solid rgba(20, 102, 107, .28);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--deep);
  white-space: nowrap;
}

.page-about .about-phase--sand .about-phase__year {
  background: var(--sand);
}

.page-about .about-phase--dark .about-phase__year {
  background: var(--night);
  border-color: rgba(185, 242, 39, .42);
  color: var(--lime);
}

.page-about .about-phase__tip {
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: .08em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}

.page-about .about-phase__mark:hover .about-phase__tip,
.page-about .about-phase__mark:focus-visible .about-phase__tip {
  opacity: 1;
  transform: none;
}

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

.page-about .about-phase__content {
  min-width: 0;
  padding: 68px 0 84px 44px;
}

.page-about .about-phase__num {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--flame);
}

.page-about .about-phase__num::after {
  content: "";
  display: inline-block;
  width: 34px;
  height: 2px;
  margin-left: 12px;
  vertical-align: middle;
  background: var(--lime);
}

.page-about .about-phase__title {
  margin: 0 0 22px;
  max-width: 24ch;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.02em;
}

.page-about .about-phase--dark .about-phase__title {
  color: var(--paper);
}

.page-about .about-phase__intro {
  margin: 0 0 30px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
}

.page-about .about-phase__cols {
  display: grid;
  gap: 30px;
}

/* ---------- 色带 ---------- */
.page-about .about-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(101deg, var(--deep) 0%, var(--night) 64%, #04191c 100%);
  color: var(--sand);
  padding: 54px 0;
}

.page-about .about-band::before {
  content: "";
  position: absolute;
  top: -32%;
  bottom: -32%;
  left: -7%;
  width: 42%;
  background: rgba(185, 242, 39, .08);
  transform: skewX(-9deg);
}

.page-about .about-band::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 32%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--flame));
}

.page-about .about-band__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.page-about .about-band__year {
  font-family: var(--font-mono);
  font-size: clamp(46px, 9vw, 94px);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.03em;
  color: var(--lime);
}

.page-about .about-band__note {
  margin: 0;
  font-size: 15px;
  letter-spacing: .05em;
  color: rgba(232, 220, 192, .8);
}

/* ---------- 三次调整 ---------- */
.page-about .about-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(16, 32, 31, .16);
}

.page-about .about-steps__item {
  position: relative;
  padding: 26px 0 30px;
  border-bottom: 1px solid rgba(16, 32, 31, .1);
}

.page-about .about-steps__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--lime);
}

.page-about .about-steps__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--flame);
}

.page-about .about-steps__name {
  margin: 10px 0 6px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-about .about-steps__meta {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-about .about-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 32, 31, .84);
}

/* ---------- 覆盖范围 ---------- */
.page-about .about-figure {
  border-radius: var(--radius-m);
  overflow: hidden;
  margin: 0;
}

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

.page-about .about-figure--portrait {
  aspect-ratio: 8 / 11;
}

.page-about .about-figure--wide {
  aspect-ratio: 2 / 1;
  margin-bottom: 30px;
}

.page-about .about-figure--square {
  aspect-ratio: 1 / 1;
}

.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 34px 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid rgba(16, 32, 31, .16);
}

.page-about .about-metrics li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-metrics .num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--deep);
}

.page-about .about-metrics em {
  font-style: normal;
  font-size: 13px;
  letter-spacing: .05em;
  color: rgba(16, 32, 31, .68);
}

/* ---------- 团队 ---------- */
.page-about .about-map-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 6px 0 34px;
  padding-bottom: 8px;
}

.page-about .about-map {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-about .about-map__link {
  stroke: rgba(185, 242, 39, .5);
  stroke-width: 2;
  stroke-dasharray: 7 7;
}

.page-about .about-map__node rect {
  fill: rgba(232, 220, 192, .05);
  stroke: rgba(232, 220, 192, .28);
  stroke-width: 1.5;
  transition: stroke .2s var(--ease), fill .2s var(--ease);
}

.page-about .about-map__node:hover rect {
  stroke: var(--lime);
  fill: rgba(185, 242, 39, .1);
}

.page-about .about-map__label {
  fill: var(--sand);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  text-anchor: middle;
}

.page-about .about-map__count {
  fill: var(--lime);
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  text-anchor: middle;
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partners__item {
  padding: 22px 0;
  border-top: 1px solid rgba(16, 32, 31, .14);
}

.page-about .about-partners__name {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--deep);
}

.page-about .about-partners__item p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 32, 31, .84);
}

.page-about .about-quote {
  margin: 30px 0 0;
  padding: 22px 24px;
  border-left: 4px solid var(--lime);
  background: rgba(203, 231, 222, .5);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
}

.page-about .about-quote p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 未来节奏 ---------- */
.page-about .about-roadmap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-roadmap__item {
  padding-left: 18px;
  border-left: 2px solid rgba(16, 32, 31, .18);
}

.page-about .about-roadmap__tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-about .about-roadmap__item h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-about .about-roadmap__item p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 32, 31, .84);
}

/* ---------- 尾部引导 ---------- */
.page-about .about-cta {
  background: linear-gradient(180deg, var(--night) 0%, #04191c 100%);
  color: var(--sand);
  padding: 64px 0 72px;
}

.page-about .about-cta__title {
  margin: 0 0 14px;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-about .about-cta__lede {
  max-width: 58ch;
  margin: 0 0 34px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 220, 192, .8);
}

.page-about .about-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-links a {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 22px;
  border: 1px solid rgba(232, 220, 192, .2);
  border-radius: var(--radius-m);
  background: rgba(232, 220, 192, .04);
  color: inherit;
  text-decoration: none;
  transition: transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-about .about-links a:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: rgba(185, 242, 39, .08);
}

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

.page-about .about-links__idx {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--lime);
}

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

.page-about .about-links__body strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-links__body em {
  font-style: normal;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 220, 192, .74);
}

.page-about .about-cta__back {
  margin: 34px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .page-about .about-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .about-links a {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    height: 100%;
  }

  .page-about .about-roadmap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 32px;
  }
}

@media (min-width: 880px) {
  .page-about .about-phase__cols--media {
    grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-phase__cols--team {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: none;
  }

  .page-about .about-steps__item {
    border-bottom: none;
    border-top: 1px solid rgba(16, 32, 31, .16);
    padding-right: 30px;
  }

  .page-about .about-steps__item + .about-steps__item {
    border-left: 1px solid rgba(16, 32, 31, .14);
    padding-left: 30px;
  }

  .page-about .about-partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 32px;
  }
}

@media (max-width: 719px) {
  .page-about .about-hero {
    padding: 16px 0 52px;
  }

  .page-about .about-hero__shell {
    padding: 24px 18px 18px;
  }

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

  .page-about .about-phase__rail {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 40px 0 0;
  }

  .page-about .about-phase__rail::after {
    display: none;
  }

  .page-about .about-phase__mark {
    position: static;
    transform: none;
    flex-direction: row;
    gap: 10px;
  }

  .page-about .about-phase__tip {
    display: none;
  }

  .page-about .about-phase__content {
    padding: 20px 0 56px;
  }

  .page-about .about-band {
    padding: 40px 0;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>