.page-about {
  --about-gap: clamp(52px, 8vw, 92px);
  --about-hair: rgba(143, 167, 157, 0.22);
  --about-soft: rgba(242, 246, 244, 0.74);
  --about-glow: rgba(255, 106, 26, 0.15);
  background: var(--night);
  color: var(--fog);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-about .about-crumb {
  padding-top: 22px;
}

.page-about h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.page-about h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--fog);
}

.page-about .about-sec {
  padding-block: var(--about-gap);
}

.page-about .about-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 14px;
  margin-bottom: 14px;
}

.page-about .about-head h2 {
  position: relative;
  margin: 0;
  padding-left: 16px;
}

.page-about .about-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.16em;
  bottom: 0.16em;
  width: 4px;
  border-radius: 4px;
  background: var(--orange);
}

.page-about .about-head-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-about .about-lede {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--about-soft);
}

/* 页头 */
.page-about .about-hero {
  position: relative;
  padding-top: 14px;
  padding-bottom: var(--about-gap);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -140px 0 auto 42%;
  height: 440px;
  background: radial-gradient(closest-side, var(--about-glow), transparent 72%);
  pointer-events: none;
}

.page-about .hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-about .hero-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.page-about .hero-copy h1 {
  margin: 18px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-about .hero-lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-soft);
}

.page-about .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .hero-stat {
  flex: 1 1 110px;
  min-width: 104px;
  padding: 14px 16px 15px;
  border-radius: var(--radius-sm);
  background: var(--stand);
  border-left: 3px solid var(--orange);
}

.page-about .hero-stat:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-about .hero-stat:nth-child(3) {
  border-left-color: var(--amber);
}

.page-about .hero-stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--fog);
}

.page-about .hero-stat span {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--about-soft);
}

.page-about .hero-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--stand);
  border: 1px solid var(--about-hair);
}

.page-about .hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-about .hero-figure figcaption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--about-hair);
  font-size: 12px;
  line-height: 1.65;
  color: var(--about-soft);
}

/* 名字由来 */
.page-about .name-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-about .name-quote {
  margin: 0;
  padding: 26px 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(152deg, rgba(255, 106, 26, 0.18), rgba(47, 227, 200, 0.08) 70%);
  border: 1px solid var(--about-hair);
}

.page-about .quote-glyph {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 58px;
  line-height: 0.7;
  color: var(--orange);
}

.page-about .name-quote p {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-about .name-body p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--about-soft);
}

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

/* 六视角 */
.page-about .lens-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .lens {
  position: relative;
  background: var(--stand);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.page-about .lens:hover {
  transform: translateY(-3px);
  border-color: rgba(47, 227, 200, 0.45);
}

.page-about .lens[open] {
  border-color: rgba(47, 227, 200, 0.55);
}

.page-about .lens[open]::after {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--orange);
}

.page-about .lens > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
}

.page-about .lens > summary::-webkit-details-marker {
  display: none;
}

.page-about .lens > summary::marker {
  content: "";
}

.page-about .lens-idx {
  flex: 0 0 auto;
  padding: 3px 7px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--orange);
  background: rgba(255, 106, 26, 0.13);
}

.page-about .lens-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-about .lens-arrow {
  margin-left: auto;
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 240ms var(--ease-out);
}

.page-about .lens[open] .lens-arrow {
  transform: rotate(-135deg);
}

.page-about .lens-body {
  padding: 0 18px 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-soft);
}

.page-about .lens-body p {
  margin: 0 0 10px;
}

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

.page-about .lens-body .lens-tip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--cyan);
}

/* 团队 */
.page-about .team-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-about .role-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .role-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: rgba(18, 51, 43, 0.74);
  border-left: 2px solid rgba(47, 227, 200, 0.5);
}

.page-about .role-name {
  font-size: 14.5px;
  font-weight: 800;
  color: var(--fog);
}

.page-about .role-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-about .role-desc {
  flex: 1 1 100%;
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-soft);
}

.page-about .team-figure,
.page-about .flow-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--stand);
  border: 1px solid var(--about-hair);
}

.page-about .team-figure img,
.page-about .flow-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* 流程 */
.page-about .flow-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

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

.page-about .flow-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 17px 0;
  border-bottom: 1px solid var(--about-hair);
}

.page-about .flow-step:first-child {
  border-top: 1px solid var(--about-hair);
}

.page-about .flow-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 3px;
}

.page-about .flow-text h3 {
  margin: 0 0 6px;
}

.page-about .flow-text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-soft);
}

/* 时间线 */
.page-about .track {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .track::before {
  content: "";
  position: absolute;
  left: 26px;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--orange), rgba(47, 227, 200, 0.6));
  opacity: 0.45;
}

.page-about .track-item > details > summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
}

.page-about .track-item > details > summary::-webkit-details-marker {
  display: none;
}

.page-about .track-item > details > summary::marker {
  content: "";
}

.page-about .track-dot {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fog);
  background: var(--stand);
  border: 2px solid var(--orange);
  transition: border-color 180ms var(--ease-out), background 180ms var(--ease-out), color 180ms var(--ease-out);
}

.page-about .track-item > details[open] .track-dot {
  border-color: var(--cyan);
  background: rgba(47, 227, 200, 0.14);
  color: var(--cyan);
}

.page-about .track-label {
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-about .track-plus {
  position: relative;
  flex: 0 0 auto;
  margin-left: auto;
  width: 20px;
  height: 20px;
}

.page-about .track-plus::before,
.page-about .track-plus::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  border-radius: 2px;
  transition: transform 240ms var(--ease-out), opacity 240ms var(--ease-out);
}

.page-about .track-plus::before {
  left: 3px;
  right: 3px;
  top: 9px;
  height: 2px;
}

.page-about .track-plus::after {
  top: 3px;
  bottom: 3px;
  left: 9px;
  width: 2px;
}

.page-about .track-item > details[open] .track-plus::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-about .track-body {
  margin: 0 0 10px 70px;
  padding: 0 0 14px;
  border-bottom: 1px dashed var(--about-hair);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--about-soft);
}

/* 合作生态 */
.page-about .partner-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .partner-card {
  position: relative;
  padding: 24px 20px 22px;
  border-radius: var(--radius-md);
  background: var(--stand);
  border: 1px solid var(--about-hair);
  overflow: hidden;
}

.page-about .partner-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.page-about .partner-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.page-about .partner-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--amber), var(--orange));
}

.page-about .partner-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-about .partner-num span {
  margin-left: 5px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--about-soft);
}

.page-about .partner-card p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-soft);
}

.page-about .partner-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.page-about .partner-note {
  margin: 22px 0 0;
  max-width: 68ch;
  padding-left: 16px;
  border-left: 3px solid rgba(255, 194, 75, 0.65);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--about-soft);
}

/* 收束浅色区块 */
.page-about .about-cta {
  margin-top: var(--about-gap);
  padding-block: clamp(46px, 7vw, 78px);
  background: var(--mist);
  color: var(--ink);
}

.page-about .about-cta h2 {
  color: var(--ink);
}

.page-about .about-cta p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(6, 18, 15, 0.74);
}

.page-about .cta-inner {
  display: grid;
  gap: 26px;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-about .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-cta .btn-ghost {
  color: var(--ink);
  border-color: rgba(6, 18, 15, 0.3);
}

.page-about .about-cta .btn-ghost:hover,
.page-about .about-cta .btn-ghost:focus-visible {
  color: var(--ink);
  border-color: var(--orange);
}

/* 断点 */
@media (min-width: 600px) {
  .page-about .hero-stat {
    flex: 1 1 130px;
  }
}

@media (min-width: 760px) {
  .page-about .lens-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .hero-stat {
    flex: 1 1 0;
  }
}

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-about .name-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-about .flow-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
  }
}

@media (min-width: 860px) {
  .page-about .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .cta-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 34px;
  }

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

@media (max-width: 479px) {
  .page-about .lens-title {
    font-size: 15px;
  }

  .page-about .lens-idx {
    font-size: 11px;
    padding: 2px 6px;
  }

  .page-about .track-label {
    font-size: 14.5px;
  }

  .page-about .track-body {
    margin-left: 0;
    padding-left: 4px;
  }

  .page-about .flow-step {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .page-about .cta-links .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .lens,
  .page-about .lens-arrow,
  .page-about .track-dot,
  .page-about .track-plus::before,
  .page-about .track-plus::after {
    transition: none;
  }

  .page-about .lens:hover {
    transform: none;
  }
}
<<<END>>>