.page-about {
  --about-rail: 232px;
  --about-edge: rgba(140, 155, 168, .18);
  --about-wine-dark: #2A0E16;
  position: relative;
  background: var(--ink-night);
  color: var(--sand-paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding: 28px 0 60px;
  overflow: hidden;
  border-bottom: 1px solid var(--about-edge);
}

.page-about .about-hero__glow {
  position: absolute;
  inset: -30% -15% auto -15%;
  height: 150%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(closest-side at 76% 20%, rgba(61, 240, 207, .20), transparent 64%),
    radial-gradient(closest-side at 16% 8%, rgba(59, 46, 126, .55), transparent 66%),
    radial-gradient(closest-side at 96% 78%, rgba(255, 122, 47, .13), transparent 62%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(140, 155, 168, .07) 0 1px,
    transparent 1px 88px
  );
}

.page-about .about-hero__inner {
  display: grid;
  gap: 40px;
}

.page-about .about-hero__crumbs {
  margin-bottom: 20px;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-size: clamp(38px, 10vw, 84px);
  line-height: 1.02;
  letter-spacing: -.025em;
  color: var(--signal-white);
  text-wrap: balance;
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  color: var(--text-soft);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero__panel {
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--about-edge);
}

.page-about .about-hero__panel-tag {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--fluo-cyan);
}

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

.page-about .about-facts__row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--about-edge);
}

.page-about .about-facts__row:last-child {
  border-bottom: 0;
}

.page-about .about-facts__key {
  flex: 0 0 auto;
  min-width: 72px;
  font-size: 20px;
  color: var(--signal-white);
}

.page-about .about-facts__val {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-soft);
}

.page-about .about-hero__panel-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--about-edge);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 主体骨架 ---------- */
.page-about .about-shell {
  display: grid;
  gap: 0;
  padding-top: 40px;
  padding-bottom: 88px;
}

.page-about .about-index {
  margin: 0 0 34px;
  padding: 14px 0;
  border-top: 1px solid var(--about-edge);
  border-bottom: 1px solid var(--about-edge);
}

.page-about .about-index__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mountain-mist);
}

.page-about .about-index__toc {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-about .about-index__toc::-webkit-scrollbar {
  display: none;
}

.page-about .about-index__toc .toc__link {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--about-edge);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--text-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-index__toc .toc__link.is-active {
  color: var(--ink-night);
  background: var(--fluo-cyan);
  border-color: var(--fluo-cyan);
}

.page-about .about-flow {
  display: grid;
  gap: 0;
}

/* ---------- 章节通用 ---------- */
.page-about .about-chapter {
  padding: 44px 0;
  border-top: 1px solid var(--about-edge);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .about-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-chapter__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.page-about .about-chapter__num {
  flex: 0 0 auto;
  padding: 3px 8px;
  border: 1px solid rgba(61, 240, 207, .38);
  border-radius: 6px;
  font-size: 12px;
  color: var(--fluo-cyan);
}

.page-about .about-chapter__title {
  margin: 0;
  font-size: clamp(24px, 5.6vw, 38px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--signal-white);
}

.page-about .about-chapter__text p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-soft);
}

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

/* 分区色块 */
.page-about .about-chapter--indigo,
.page-about .about-chapter--felt,
.page-about .about-chapter--paper,
.page-about .about-chapter--wine {
  border-top: 0;
  border-radius: var(--radius);
  padding: 36px 22px;
}

.page-about .about-chapter--indigo {
  background: linear-gradient(158deg, var(--indigo-deep), var(--pitch-navy));
}

.page-about .about-chapter--felt {
  background: linear-gradient(158deg, var(--green-felt), var(--pitch-navy));
}

.page-about .about-chapter--paper {
  background: var(--sand-paper);
  color: var(--ink-night);
}

.page-about .about-chapter--wine {
  background: linear-gradient(158deg, var(--wine-deep), var(--about-wine-dark));
}

.page-about .about-chapter--paper .about-chapter__title {
  color: var(--ink-night);
}

.page-about .about-chapter--paper .about-chapter__num {
  color: var(--wine-deep);
  border-color: rgba(110, 31, 46, .34);
}

.page-about .about-chapter--paper .about-chapter__text p,
.page-about .about-verify__body p {
  color: rgba(8, 19, 31, .8);
}

/* ---------- 01 起源 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-origin__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--about-edge);
  background: var(--pitch-navy);
}

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

.page-about .about-origin__figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--text-dim);
  border-top: 1px solid var(--about-edge);
}

/* ---------- 02 时间轴 ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-timeline .timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0 20px 26px;
}

.page-about .about-timeline .timeline__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 30px;
  bottom: -2px;
  width: 1px;
  background: linear-gradient(rgba(243, 241, 234, .34), rgba(243, 241, 234, .04));
}

.page-about .about-timeline .timeline__item:last-child::before {
  display: none;
}

.page-about .about-timeline .timeline__marker {
  position: absolute;
  left: 0;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--fluo-cyan);
  box-shadow: 0 0 0 4px rgba(61, 240, 207, .15);
}

.page-about .about-timeline .timeline__time {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--fluo-cyan);
}

.page-about .about-timeline .timeline__title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.35;
  color: var(--signal-white);
}

.page-about .about-timeline .timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 03 本地 ---------- */
.page-about .about-local__figure {
  position: relative;
  margin: 0 0 24px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-about .about-local__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(14, 59, 54, 0) 42%, rgba(14, 59, 54, .88));
}

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

.page-about .about-regions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  list-style: none;
  margin: 22px 0 0;
  padding: 20px 0 0;
  border-top: 1px dashed rgba(243, 241, 234, .22);
}

.page-about .about-regions .legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-soft);
}

.page-about .about-regions .legend__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-about .about-regions li:nth-child(3n+1) .legend__dot {
  background: var(--fluo-cyan);
}

.page-about .about-regions li:nth-child(3n+2) .legend__dot {
  background: var(--stand-orange);
}

.page-about .about-regions li:nth-child(3n) .legend__dot {
  background: var(--mountain-mist);
}

/* ---------- 04 复核 ---------- */
.page-about .about-verify__grid {
  display: grid;
  gap: 24px;
}

.page-about .about-verify__figure {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-about .about-verify__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

.page-about .about-verify__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
}

.page-about .about-fields {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid rgba(8, 19, 31, .14);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(8, 19, 31, .14);
}

.page-about .about-fields__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--sand-paper);
  font-size: 15px;
  color: var(--ink-night);
}

.page-about .about-fields__idx {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--wine-deep);
}

.page-about .about-verify__note {
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px dashed rgba(8, 19, 31, .2);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(8, 19, 31, .72);
}

/* ---------- 05 荣誉 ---------- */
.page-about .about-honors {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-honors__item {
  padding: 20px 18px;
  border: 1px solid rgba(243, 241, 234, .16);
  border-radius: var(--radius-sm);
  background: rgba(8, 19, 31, .28);
  outline: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-honors__item:hover,
.page-about .about-honors__item:focus-within,
.page-about .about-honors__item:focus-visible {
  border-color: rgba(243, 241, 234, .4);
  background: rgba(8, 19, 31, .44);
}

.page-about .about-honors__value {
  margin: 0;
  font-size: 34px;
  line-height: 1;
  color: var(--fluo-cyan);
}

.page-about .about-honors__title {
  margin: 12px 0 6px;
  font-size: 18px;
  line-height: 1.35;
  color: var(--signal-white);
}

.page-about .about-honors__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-soft);
}

.page-about .about-honors__more {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
  transition: max-height .3s var(--ease), opacity .25s var(--ease), margin-top .3s var(--ease);
}

.page-about .about-honors__item:hover .about-honors__more,
.page-about .about-honors__item:focus-within .about-honors__more {
  max-height: 180px;
  opacity: 1;
  margin-top: 10px;
}

/* ---------- 06 主张 ---------- */
.page-about .about-chapter--belief {
  padding-top: 52px;
  padding-bottom: 52px;
  background:
    radial-gradient(closest-side at 82% 26%, rgba(61, 240, 207, .12), transparent 66%),
    linear-gradient(180deg, rgba(18, 41, 61, 0) 0%, rgba(18, 41, 61, .55) 100%);
}

.page-about .about-belief__tag {
  margin: 0 0 20px;
}

.page-about .about-belief__line {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 6.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--signal-white);
  text-wrap: balance;
}

.page-about .about-belief__cols {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-about .about-belief__cols p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-about .about-belief__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-belief__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 56px 0 96px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    align-items: end;
  }

  .page-about .about-shell {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 0 72px;
    padding-top: 72px;
    padding-bottom: 120px;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .page-about .about-index__label {
    margin-bottom: 14px;
  }

  .page-about .about-index__toc {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-index__toc .toc__link {
    border: 0;
    border-left: 2px solid var(--about-edge);
    border-radius: 0;
    padding: 11px 0 11px 18px;
    font-size: 14px;
    white-space: normal;
    background: none;
  }

  .page-about .about-index__toc .toc__link:hover {
    color: var(--signal-white);
  }

  .page-about .about-index__toc .toc__link.is-active {
    color: var(--fluo-cyan);
    background: none;
    border-left-color: var(--fluo-cyan);
  }

  .page-about .about-chapter {
    padding: 64px 0;
  }

  .page-about .about-chapter--indigo,
  .page-about .about-chapter--felt,
  .page-about .about-chapter--paper,
  .page-about .about-chapter--wine {
    padding: 52px 44px;
  }

  .page-about .about-chapter--origin {
    padding-top: 0;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-origin__figure {
    margin: 0;
  }

  .page-about .about-timeline .timeline__item {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 0 28px;
    padding: 22px 0 22px 28px;
  }

  .page-about .about-verify__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-honors {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-belief__line {
    max-width: 17em;
  }

  .page-about .about-chapter--belief {
    padding-top: 84px;
    padding-bottom: 84px;
    padding-inline: 0;
  }
}

@media (min-width: 1140px) {
  .page-about {
    --about-rail: 268px;
  }

  .page-about .about-shell {
    gap: 0 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__toc .toc__link,
  .page-about .about-honors__item,
  .page-about .about-honors__more {
    transition: none;
  }
}
<<<END>>>