.page-about {
  --about-line: rgba(176, 122, 60, .32);
  --about-line-soft: rgba(176, 122, 60, .16);
  --about-muted-on-dark: rgba(245, 247, 250, .68);
  --about-muted-on-paper: #6a5a4d;
  --about-card-shadow: 0 18px 40px -24px rgba(0, 0, 0, .85);
  background-color: var(--ink);
  color: var(--mist);
  font-family: var(--font-body);
  line-height: 1.85;
  display: block;
  overflow-x: hidden;
}

/* ---------- HERO ---------- */

.page-about .about-hero {
  position: relative;
  padding: clamp(88px, 13vw, 168px) 0 clamp(46px, 7vw, 92px);
  background:
    linear-gradient(158deg, var(--ink) 0%, var(--ink) 56%, var(--ink-2) 56.2%, var(--ink-2) 100%);
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(232, 85, 45, .12) 0%, rgba(232, 85, 45, 0) 44%),
    linear-gradient(315deg, rgba(79, 195, 247, .09) 0%, rgba(79, 195, 247, 0) 48%);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -34%;
  width: min(66vw, 620px);
  height: min(66vw, 620px);
  background: radial-gradient(circle at 32% 32%, rgba(232, 85, 45, .2), rgba(232, 85, 45, 0) 64%);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero .breadcrumbs ol {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
}

.page-about .about-hero .breadcrumbs li {
  color: var(--about-muted-on-dark);
}

.page-about .about-hero .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--copper);
}

.page-about .about-hero .breadcrumbs a {
  color: var(--about-muted-on-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-hero .breadcrumbs a:hover {
  color: var(--ember-hi);
  border-bottom-color: var(--ember-hi);
}

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-about .about-hero-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-about .about-hero h1 {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--mist);
  max-width: 20ch;
}

.page-about .about-hero-lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.9;
  color: var(--about-muted-on-dark);
}

.page-about .about-hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-line-soft);
  border: 1px solid var(--about-line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .hero-stat {
  background: var(--ink-2);
  padding: clamp(18px, 2.6vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .hero-stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ember);
}

.page-about .hero-stat:nth-child(2) .hero-stat-num,
.page-about .hero-stat:nth-child(3) .hero-stat-num {
  color: var(--ice);
}

.page-about .hero-stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--about-muted-on-dark);
}

/* ---------- SECTION SHELL ---------- */

.page-about .about-section {
  position: relative;
  padding: clamp(64px, 10vw, 132px) 0;
  background-color: var(--ink);
}

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

.page-about .about-section--paper::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(176, 122, 60, 0), var(--about-line), rgba(176, 122, 60, 0));
}

.page-about .about-head {
  display: grid;
  gap: clamp(14px, 2.4vw, 28px);
  margin-bottom: clamp(36px, 6vw, 72px);
}

.page-about .about-head .chapter-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(48px, 9vw, 104px);
  line-height: .82;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ember);
}

.page-about .about-section--paper .about-head .chapter-num {
  -webkit-text-stroke-color: var(--copper);
}

.page-about .about-head-body .section-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--copper);
  font-family: var(--font-mono);
}

.page-about .about-head-body .section-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.22;
  letter-spacing: -.015em;
  color: inherit;
  max-width: 24ch;
}

.page-about .about-head-body .lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--about-muted-on-dark);
}

.page-about .about-section--paper .about-head-body .lede {
  color: var(--about-muted-on-paper);
}

/* ---------- FIGURES ---------- */

.page-about .about-figure {
  margin: 0 0 clamp(28px, 4vw, 48px);
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(79, 195, 247, .08) 0 12px, rgba(79, 195, 247, 0) 12px 24px),
    var(--ink-2);
  border: 1px solid var(--about-line-soft);
}

.page-about .about-section--paper .about-figure {
  border-color: rgba(176, 122, 60, .28);
  background:
    repeating-linear-gradient(135deg, rgba(176, 122, 60, .1) 0 12px, rgba(176, 122, 60, 0) 12px 24px),
    var(--paper-2);
}

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

.page-about .about-figure-cap {
  margin: 0;
  padding: 10px 16px 12px;
  font-size: 12px;
  letter-spacing: .05em;
  font-family: var(--font-mono);
  color: var(--about-muted-on-dark);
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-section--paper .about-figure-cap {
  color: var(--about-muted-on-paper);
  border-top-color: rgba(176, 122, 60, .24);
}

/* ---------- 01 TIMELINE ---------- */

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(22px, 3.4vw, 34px);
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--ember), var(--copper), rgba(176, 122, 60, 0));
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: clamp(40px, 6vw, 64px);
}

.page-about .about-timeline-mark {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 28px;
}

.page-about .about-timeline-stage {
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--copper);
  transform: translateX(-2px);
  order: 2;
}

.page-about .about-timeline-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--ember);
  box-shadow: 0 0 0 4px rgba(232, 85, 45, .14);
  margin-top: 4px;
  order: 1;
}

.page-about .about-timeline-card {
  background: var(--ink-2);
  border: 1px solid var(--about-line-soft);
  border-left: 2px solid var(--ember);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: var(--about-card-shadow);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-timeline-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--ember-hi);
}

.page-about .about-timeline-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.4;
  color: var(--mist);
}

.page-about .about-timeline-card p {
  margin: 0 0 12px;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.9;
  color: var(--about-muted-on-dark);
}

.page-about .about-timeline-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ice) !important;
}

/* ---------- 02 CREDENTIALS ---------- */

.page-about .about-credentials-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .about-figure--badge {
  margin: 0;
  max-width: 460px;
}

.page-about .about-credential-list {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.6vw, 26px);
}

.page-about .about-credential {
  background: rgba(255, 255, 255, .58);
  border: 1px solid rgba(176, 122, 60, .3);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: 0 16px 36px -26px rgba(36, 27, 22, .8);
}

.page-about .about-credential-code {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-about .about-credential h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.1vw, 22px);
  color: var(--sepia);
}

.page-about .about-credential > p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-muted-on-paper);
}

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

.page-about .about-credential li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sepia);
}

.page-about .about-credential li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 1px;
  background: var(--ember);
}

/* ---------- 03 TEAM ---------- */

.page-about .about-team-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

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

.page-about .about-team-cards {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.page-about .about-team-card {
  background: var(--ink-2);
  border: 1px solid var(--about-line-soft);
  border-top: 2px solid var(--ice-deep);
  border-radius: var(--radius);
  padding: clamp(20px, 2.8vw, 28px);
  transition: transform var(--dur) var(--ease), border-top-color var(--dur) var(--ease);
}

.page-about .about-team-card:hover {
  transform: translateY(-4px);
  border-top-color: var(--ice);
}

.page-about .about-team-count {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1;
  color: var(--ice);
  letter-spacing: -.03em;
}

.page-about .about-team-count::after {
  content: " 人";
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--about-muted-on-dark);
}

.page-about .about-team-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--mist);
}

.page-about .about-team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--about-muted-on-dark);
}

/* ---------- 04 ECOSYSTEM ---------- */

.page-about .about-ecosystem {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.page-about .about-eco-card {
  position: relative;
  background: rgba(255, 255, 255, .5);
  border: 1px solid rgba(176, 122, 60, .28);
  border-radius: var(--radius);
  padding: clamp(22px, 3vw, 32px);
  overflow: hidden;
}

.page-about .about-eco-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  border: 1px solid rgba(176, 122, 60, .28);
}

.page-about .about-eco-code {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--ember);
}

.page-about .about-eco-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 21px);
  color: var(--sepia);
}

.page-about .about-eco-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-muted-on-paper);
  position: relative;
  z-index: 1;
}

/* ---------- 05 RESULTS ---------- */

.page-about .about-result-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--about-line-soft);
  border: 1px solid var(--about-line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-result {
  background: var(--ink-2);
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-result-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ember);
}

.page-about .about-result:nth-child(2n) .about-result-num {
  color: var(--ice);
}

.page-about .about-result-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15px, 1.7vw, 18px);
  color: var(--mist);
}

.page-about .about-result-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--about-muted-on-dark);
}

/* ---------- 06 NEXT ---------- */

.page-about .about-next-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.page-about .about-next-card {
  border-top: 2px solid var(--copper);
  padding: clamp(20px, 2.8vw, 28px) 0 0;
}

.page-about .about-next-code {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--copper);
}

.page-about .about-next-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 23px);
  color: var(--sepia);
}

.page-about .about-next-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-muted-on-paper);
}

/* ---------- BRIDGE ---------- */

.page-about .about-bridge {
  position: relative;
  padding: clamp(52px, 8vw, 96px) 0 clamp(64px, 9vw, 112px);
  background:
    linear-gradient(180deg, var(--ink) 0%, #12161b 100%);
}

.page-about .about-bridge::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(176, 122, 60, 0), var(--copper), rgba(176, 122, 60, 0));
}

.page-about .about-bridge-inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
}

.page-about .about-bridge-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.25;
  color: var(--mist);
}

.page-about .about-bridge-copy p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-muted-on-dark);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-about .about-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .about-result:nth-child(2n) .about-result-num {
    color: var(--ember);
  }

  .page-about .about-result:nth-child(3n-1) .about-result-num {
    color: var(--ice);
  }

  .page-about .about-bridge-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-about .about-bridge-links {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }

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

  .page-about .about-credentials-grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  }

  .page-about .about-team-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }

  .page-about .about-timeline-item {
    padding-left: 72px;
  }

  .page-about .about-timeline::before {
    left: 15px;
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 72px;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>