.page-about {
  --about-rail: 84px;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
}

.page-about .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-about .crumbs__link {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-about .crumbs__link:hover {
  color: var(--lime);
}

.page-about .crumbs__sep {
  color: rgba(167, 179, 173, 0.5);
}

.page-about .crumbs__now {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(22px, 3.5vw, 40px) 0 clamp(34px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: repeating-linear-gradient(
      90deg,
      rgba(167, 179, 173, 0.06) 0 1px,
      transparent 1px 72px
    ),
    repeating-linear-gradient(0deg, rgba(167, 179, 173, 0.06) 0 1px, transparent 1px 72px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 58%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 58%, transparent 100%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -14%;
  top: -30%;
  width: 62%;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(183, 255, 60, 0.16), rgba(183, 255, 60, 0) 66%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 36px);
}

.page-about .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-about .about-hero__title {
  margin: clamp(12px, 2vw, 20px) 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 7.2vw, 78px);
  line-height: 1;
  letter-spacing: -0.045em;
  color: var(--white);
  max-width: 14em;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 42em;
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-about .about-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-about .about-hero__strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: clamp(14px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__strip li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 12px;
  border-left: 2px solid var(--line-lime);
}

.page-about .hero-num {
  font-family: var(--font-num);
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-about .hero-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-sec {
  position: relative;
  padding: clamp(44px, 6vw, 92px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-sec--panel {
  background: linear-gradient(180deg, rgba(12, 26, 19, 0.9), rgba(7, 11, 10, 0));
}

.page-about .about-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.page-about .about-row__num {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .about-row__num .num {
  font-family: var(--font-num);
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 800;
  line-height: 0.85;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-about .about-row__en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-about .about-row__body h2 {
  margin: 0 0 clamp(14px, 2vw, 20px);
  max-width: 18em;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.035em;
  color: var(--white);
}

.page-about .about-row__body h2::after {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-top: 16px;
  background: var(--lime);
}

.page-about .about-row__body p {
  margin: 0 0 1em;
  max-width: 46em;
  font-size: clamp(15px, 1.4vw, 16.5px);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-about .about-sub {
  margin: clamp(26px, 3.6vw, 40px) 0 14px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-about .about-row__note {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about .note-card {
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  background: rgba(12, 26, 19, 0.72);
  padding: 14px 16px;
}

.page-about .note-card__k {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-about .note-card__v {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-about .inline-link {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(116, 230, 161, 0.4);
}

.page-about .inline-link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 奶油色横条 ---------- */
.page-about .about-band {
  background: var(--cream);
  color: var(--espresso);
  padding: clamp(34px, 5vw, 62px) 0;
}

.page-about .about-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: end;
}

.page-about .about-band__quote {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.02em;
  color: var(--espresso);
}

.page-about .about-band__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(26, 20, 16, 0.26);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.8;
  letter-spacing: 0.08em;
  color: rgba(26, 20, 16, 0.66);
}

/* ---------- 时间线 ---------- */
.page-about .timeline {
  margin-top: clamp(20px, 3vw, 30px);
  position: relative;
}

.page-about .timeline__track {
  list-style: none;
  margin: 0;
  padding: 6px 0 18px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(183, 255, 60, 0.45) rgba(167, 179, 173, 0.12);
}

.page-about .timeline__track::-webkit-scrollbar {
  height: 6px;
}

.page-about .timeline__track::-webkit-scrollbar-track {
  background: rgba(167, 179, 173, 0.12);
}

.page-about .timeline__track::-webkit-scrollbar-thumb {
  background: rgba(183, 255, 60, 0.45);
}

.page-about .tl-card {
  position: relative;
  flex: 0 0 min(78vw, 268px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-top: 2px solid rgba(167, 179, 173, 0.4);
  background: var(--ink-2);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .tl-card:hover {
  border-color: var(--line-lime);
  border-top-color: var(--lime);
  transform: translateY(-2px);
}

.page-about .tl-card--now {
  border-top-color: var(--flame);
  background: linear-gradient(160deg, rgba(183, 255, 60, 0.14), rgba(12, 26, 19, 0.94) 62%);
}

.page-about .tl-card__flag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--lime);
  padding: 3px 8px;
}

.page-about .tl-card__ver {
  font-family: var(--font-num);
  font-size: clamp(30px, 3.8vw, 42px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-about .tl-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-about .tl-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 三段式 ---------- */
.page-about .stage-list {
  list-style: none;
  margin: clamp(18px, 2.5vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .stage-item {
  border-top: 2px solid var(--flame);
  padding-top: 12px;
}

.page-about .stage-item__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-about .stage-item__title {
  margin: 7px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-about .stage-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 图片 ---------- */
.page-about .about-figure {
  position: relative;
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-about .about-figure::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 46px;
  height: 2px;
  background: var(--lime);
  z-index: 1;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(1.06) contrast(1.04);
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--mist);
}

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

/* ---------- 团队 ---------- */
.page-about .crew {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .crew li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .crew__num {
  font-family: var(--font-num);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1;
  color: var(--lime);
  min-width: 2ch;
}

.page-about .crew__k {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-about .crew__d {
  flex: 1 0 100%;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 覆盖数据 ---------- */
.page-about .reach-stats {
  list-style: none;
  margin: clamp(18px, 2.5vw, 26px) 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-about .reach-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  background: var(--ink-2);
}

.page-about .reach-num {
  font-family: var(--font-num);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-about .reach-label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .node-card {
  border: 1px solid var(--line);
  background: rgba(12, 26, 19, 0.72);
  padding: 14px;
}

.page-about .node-card svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .node-card p {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 合作 ---------- */
.page-about .partner-list {
  list-style: none;
  margin: clamp(18px, 2.5vw, 26px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .partner-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .partner-num {
  font-family: var(--font-num);
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
  min-width: 1.6ch;
}

.page-about .partner-list h3 {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-about .partner-list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 主张 ---------- */
.page-about .principle-grid {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 2.5vw, 26px) 0;
}

.page-about .principle {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 18px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .principle:hover {
  border-color: var(--line-lime);
  transform: translateY(-2px);
}

.page-about .principle__k {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  color: var(--ink);
  background: var(--lime);
}

.page-about .principle p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

/* ---------- 结尾行动 ---------- */
.page-about .about-cta {
  padding: clamp(44px, 6vw, 88px) 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(183, 255, 60, 0.09), rgba(7, 11, 10, 0) 72%);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 16px;
  max-width: 760px;
}

.page-about .about-cta h2 {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.035em;
  color: var(--white);
}

.page-about .about-cta p {
  margin: 0;
  font-size: clamp(14.5px, 1.4vw, 16px);
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 42em;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-about .stage-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-about .crew__d {
    flex: 1 1 auto;
  }
}

@media (min-width: 760px) {
  .page-about .about-hero__strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-band__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: clamp(24px, 4vw, 56px);
  }

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

@media (min-width: 920px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-about .about-row {
    grid-template-columns: var(--about-rail) minmax(0, 7fr) minmax(0, 3fr);
    gap: clamp(24px, 3.4vw, 48px);
    align-items: start;
  }

  .page-about .about-row__num {
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    border-top: 2px solid var(--lime);
    padding-top: 12px;
  }

  .page-about .about-row__note {
    padding-top: 6px;
  }

  .page-about .tl-card {
    flex-basis: 250px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-card,
  .page-about .principle {
    transition: none;
  }

  .page-about .tl-card:hover,
  .page-about .principle:hover {
    transform: none;
  }
}
<<<END>>>