.page-about {
  background: var(--hl-paper);
  color: var(--hl-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(104px, 14vw, 144px) 0 clamp(28px, 5vw, 48px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -140px;
  width: min(600px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 36% 36%, rgba(242, 169, 59, .5), rgba(240, 85, 60, .16) 56%, transparent 72%);
  pointer-events: none;
}

.page-about .about-hero .hl-crumbs {
  position: relative;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 34px;
  position: relative;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.25rem, 8.6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: .02em;
  margin: 14px 0 20px;
  color: var(--hl-text);
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--hl-coral);
  display: inline-block;
}

.page-about .about-hero__lede {
  max-width: 32em;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--hl-text);
  margin: 0 0 26px;
}

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

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--hl-radius-lg) var(--hl-radius-lg) 96px var(--hl-radius-lg);
  overflow: hidden;
  background: var(--hl-amber-sand);
  box-shadow: 0 28px 64px -32px rgba(184, 50, 31, .6);
}

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

.page-about .about-hero__figure .hl-figure__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 40px 20px 16px;
  font-family: var(--font-body);
  font-size: .8rem;
  line-height: 1.7;
  color: var(--hl-paper-lift);
  background: linear-gradient(transparent, rgba(7, 39, 43, .84));
}

/* ---------- 通用区块 ---------- */
.page-about .about-section {
  padding: clamp(52px, 8vw, 92px) 0;
}

.page-about .about-section__head {
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 2.45rem);
  line-height: 1.22;
  letter-spacing: .02em;
  margin: 12px 0 18px;
  color: var(--hl-text);
}

.page-about .about-p {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--hl-text);
  margin: 0 0 16px;
  max-width: 34em;
}

.page-about .about-p--wide {
  max-width: 38em;
}

/* ---------- 名字 ---------- */
.page-about .about-name {
  border-top: 1px solid var(--hl-line);
}

.page-about .about-name__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-name__panel {
  background: linear-gradient(155deg, var(--hl-coral) 0%, var(--hl-coral-deep) 100%);
  color: var(--hl-paper-lift);
  border-radius: var(--hl-radius-lg) var(--hl-radius-lg) 96px var(--hl-radius-lg);
  padding: 30px 26px 34px;
  box-shadow: 0 24px 56px -32px rgba(184, 50, 31, .8);
}

.page-about .about-name__glyphs {
  display: flex;
  gap: 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 10vw, 4.4rem);
  line-height: 1;
  letter-spacing: .02em;
}

.page-about .about-name__glyphs span:last-child {
  color: var(--hl-amber-sand);
}

.page-about .about-name__note {
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.8;
  margin: 16px 0 0;
  color: rgba(255, 251, 244, .82);
}

.page-about .about-name__swatches {
  list-style: none;
  margin: 24px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(255, 251, 244, .28);
  display: grid;
  gap: 12px;
  font-size: .88rem;
  line-height: 1.5;
}

.page-about .about-name__swatches li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .about-sw {
  display: block;
  flex: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(255, 251, 244, .5);
}

.page-about .about-sw--coral { background: #F0553C; }
.page-about .about-sw--amber { background: #F2A93B; }
.page-about .about-sw--teal { background: #103F45; }
.page-about .about-sw--cyan { background: #2FF3D6; }

/* ---------- 时间轴 ---------- */
.page-about .about-timeline__banner {
  margin: 0 0 clamp(28px, 4vw, 44px);
  border-radius: var(--hl-radius) var(--hl-radius) var(--hl-radius) 80px;
  overflow: hidden;
  background: var(--hl-teal);
}

.page-about .about-timeline__banner img {
  display: block;
  width: 100%;
  height: clamp(160px, 26vw, 300px);
  object-fit: cover;
}

.page-about .about-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 34px;
  position: relative;
  max-width: 58rem;
}

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--hl-amber), var(--hl-coral));
}

.page-about .about-track__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding-bottom: 30px;
}

.page-about .about-track__item:last-child {
  padding-bottom: 0;
}

.page-about .about-track__item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 6px;
  background: var(--hl-paper);
  border: 2px solid var(--hl-amber);
  box-shadow: 0 0 0 4px var(--hl-paper);
  transition: background var(--t-switch) var(--ease), border-color var(--t-switch) var(--ease);
}

.page-about .about-track__item:hover::before {
  background: var(--hl-amber);
}

.page-about .about-track__item--now::before {
  background: var(--hl-coral);
  border-color: var(--hl-coral);
  box-shadow: 0 0 0 4px var(--hl-paper), 0 0 0 9px rgba(240, 85, 60, .18);
}

.page-about .about-track__year {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .04em;
  color: var(--hl-coral-deep);
}

.page-about .about-track__item--now .about-track__year {
  color: var(--hl-coral);
}

.page-about .about-track__body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.14rem;
  letter-spacing: .01em;
  margin: 0 0 6px;
  color: var(--hl-text);
}

.page-about .about-track__body p {
  font-size: 1rem;
  line-height: 1.88;
  margin: 0;
  max-width: 33em;
  color: var(--hl-text);
}

.page-about .about-timeline__foot {
  margin: 30px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--hl-line);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--hl-muted);
}

.page-about .about-timeline__foot a {
  color: var(--hl-coral-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-timeline__foot a:hover {
  color: var(--hl-coral);
}

/* ---------- 结构 ---------- */
.page-about .about-structure {
  border-top: 1px solid var(--hl-line);
}

.page-about .about-structure__grid {
  display: grid;
  gap: 36px;
}

.page-about .about-structure__copy .hl-btn {
  margin-top: 10px;
}

.page-about .about-diagram {
  display: grid;
  grid-template-columns: 92px 2px 1fr;
  gap: 14px;
  align-items: stretch;
  padding: 24px 20px;
  min-height: 220px;
  background: var(--hl-paper-lift);
  border: 1px solid var(--hl-line);
  border-radius: var(--hl-radius) var(--hl-radius) var(--hl-radius) 72px;
}

.page-about .about-diagram__rail {
  display: flex;
  flex-direction: column;
  gap: 11px;
  font-family: var(--font-body);
  font-size: .76rem;
  line-height: 1.4;
  color: var(--hl-muted);
}

.page-about .about-diagram__rail span:first-child {
  color: var(--hl-coral-deep);
  font-weight: 700;
}

.page-about .about-diagram__axis {
  border-radius: 2px;
  background: linear-gradient(180deg, var(--hl-cyan), rgba(47, 243, 214, .12));
  box-shadow: 0 0 14px rgba(47, 243, 214, .5);
}

.page-about .about-diagram__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 13px;
}

.page-about .about-diagram__line {
  display: block;
  height: 11px;
  border-radius: 6px;
  background: var(--hl-line);
}

.page-about .about-diagram__line:nth-child(1) { width: 88%; }
.page-about .about-diagram__line:nth-child(2) { width: 64%; background: var(--hl-amber-sand); }
.page-about .about-diagram__line:nth-child(3) { width: 78%; }
.page-about .about-diagram__line:nth-child(4) { width: 50%; }

/* ---------- 审核（深色区一） ---------- */
.page-about .about-review {
  background: var(--hl-teal);
  color: var(--hl-paper);
  padding: clamp(40px, 6vw, 80px) 0;
  margin: clamp(24px, 4vw, 44px) 0;
}

.page-about .about-review__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-review__figure {
  margin: 0;
  border-radius: var(--hl-radius) 72px var(--hl-radius) var(--hl-radius);
  overflow: hidden;
  background: rgba(7, 39, 43, .5);
}

.page-about .about-review__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-review h2 {
  color: var(--hl-paper-lift);
}

.page-about .about-review .about-p {
  color: rgba(247, 241, 231, .8);
  max-width: 32em;
}

.page-about .about-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-flow__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  padding: 14px 16px;
  border-radius: var(--hl-radius-sm);
  background: rgba(47, 243, 214, .06);
  border: 1px solid rgba(47, 243, 214, .2);
  transition: background var(--t-switch) var(--ease), border-color var(--t-switch) var(--ease);
}

.page-about .about-flow__step:hover {
  background: rgba(47, 243, 214, .12);
  border-color: rgba(47, 243, 214, .42);
}

.page-about .about-flow__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 600;
  line-height: 1;
  padding-top: 3px;
  color: var(--hl-cyan);
}

.page-about .about-flow__step strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .98rem;
  color: var(--hl-paper-lift);
}

.page-about .about-flow__step span:last-child {
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(247, 241, 231, .72);
}

/* ---------- 数据（深色区二） ---------- */
.page-about .about-stats {
  background: var(--hl-ink);
  color: var(--hl-paper);
  padding: clamp(44px, 6vw, 84px) 0;
  border-radius: var(--hl-radius-lg);
}

.page-about .about-stats .about-h2 {
  color: var(--hl-paper-lift);
}

.page-about .about-stats .about-p {
  color: rgba(247, 241, 231, .74);
  max-width: 30em;
}

.page-about .about-stats__grid {
  display: grid;
  gap: 26px;
  margin-top: 34px;
}

.page-about .about-stat {
  border-top: 2px solid rgba(242, 169, 59, .62);
  padding-top: 14px;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.1rem, 7vw, 3.3rem);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--hl-amber);
}

.page-about .about-stat__num em {
  font-style: normal;
  font-size: .46em;
  margin-left: 3px;
  color: var(--hl-paper);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: .86rem;
  line-height: 1.65;
  color: rgba(247, 241, 231, .7);
}

/* ---------- 资质 ---------- */
.page-about .about-cert__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-cert__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .about-cert__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-cert__item {
  display: grid;
  gap: 7px;
  padding: 17px 18px;
  background: var(--hl-paper-lift);
  border: 1px solid var(--hl-line);
  border-left: 4px solid var(--hl-amber);
  border-radius: var(--hl-radius-sm);
  transition: transform var(--t-switch) var(--ease),
              box-shadow var(--t-switch) var(--ease),
              border-left-color var(--t-switch) var(--ease);
}

.page-about .about-cert__item:hover,
.page-about .about-cert__item:focus-within,
.page-about .about-cert__item:focus {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px -20px rgba(7, 39, 43, .55);
  border-left-color: var(--hl-coral);
}

.page-about .about-cert__item:focus-visible {
  outline: 2px dashed var(--hl-cyan);
  outline-offset: 3px;
}

.page-about .about-cert__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .01em;
  color: var(--hl-text);
}

.page-about .about-cert__hint {
  font-size: .86rem;
  line-height: 1.72;
  color: var(--hl-muted);
  transition: color var(--t-switch) var(--ease);
}

.page-about .about-cert__item:hover .about-cert__hint,
.page-about .about-cert__item:focus-within .about-cert__hint,
.page-about .about-cert__item:focus .about-cert__hint {
  color: var(--hl-text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
  }

  .page-about .about-stats__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 28px;
  }
}

@media (min-width: 760px) {
  .page-about .about-track__item {
    grid-template-columns: 106px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-about .about-track__year {
    padding-top: 3px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 52px;
  }

  .page-about .about-hero__figure {
    margin-right: -20px;
  }

  .page-about .about-name__grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-structure__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .86fr);
    gap: 60px;
    align-items: center;
  }

  .page-about .about-review__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 48px;
    align-items: center;
  }

  .page-about .about-cert__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .95fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-about .about-stats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-cert__item,
  .page-about .about-flow__step,
  .page-about .about-cert__hint,
  .page-about .about-track__item::before {
    transition-duration: 1ms;
  }

  .page-about .about-cert__item:hover,
  .page-about .about-cert__item:focus-within,
  .page-about .about-cert__item:focus {
    transform: none;
  }
}
<<<END>>>