.page-about {
  --about-rule: rgba(27, 27, 24, 0.16);
  --about-soft: rgba(27, 27, 24, 0.055);
  --about-gold-soft: rgba(232, 178, 58, 0.22);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-about .about-hero {
  padding-top: clamp(18px, 3.6vw, 38px);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 6.6vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
}

.page-about .about-hero__lead {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.85;
}

.page-about .about-hero__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 4vw, 40px);
  background: var(--about-rule);
  border: 1px solid var(--about-rule);
}

.page-about .about-hero__cell {
  background: var(--paper);
  padding: 16px 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1;
  color: var(--theatre);
  letter-spacing: -0.02em;
}

.page-about .about-hero__unit {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* 目录锚点 */
.page-about .about-jump {
  position: sticky;
  top: var(--bar-h);
  z-index: 6;
  display: flex;
  gap: 6px;
  margin-top: clamp(22px, 4vw, 38px);
  padding: 8px;
  background: var(--paper-2);
  border: 1px solid var(--about-rule);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-about .about-jump__link {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
  padding: 9px 12px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: border-color 220ms var(--ease), background 220ms var(--ease), color 220ms var(--ease);
}

.page-about .about-jump__link:hover,
.page-about .about-jump__link:focus-visible {
  border-color: var(--theatre);
  background: var(--paper);
  color: var(--theatre);
}

/* 分区骨架 */
.page-about .about-sec {
  margin-top: clamp(46px, 7vw, 92px);
  scroll-margin-top: calc(var(--bar-h) + 76px);
}

.page-about .about-sec__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.8vw, 34px);
  line-height: 1.22;
  margin: 10px 0 0;
}

.page-about .about-lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-inline {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .linkQuiet {
  color: var(--theatre);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .linkQuiet:hover,
.page-about .linkQuiet:focus-visible {
  color: var(--magenta);
}

.page-about .about-split {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-about .about-split__main p {
  margin: 0 0 0.9em;
}

.page-about .about-note {
  border-top: 3px solid var(--gold);
  background: var(--paper-2);
  padding: 18px 18px 20px;
}

.page-about .about-note p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
}

.page-about .about-note__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--theatre);
}

/* 时间线 */
.page-about .tl {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 34px);
  --tl-line-x: 9px;
  padding-left: 30px;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: var(--tl-line-x);
  top: 6px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), var(--about-rule) 40%, var(--about-rule));
}

.page-about .tl__item {
  position: relative;
  padding-bottom: clamp(24px, 4vw, 40px);
  display: grid;
  gap: 6px;
}

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px var(--about-gold-soft);
}

.page-about .tl__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--theatre);
}

.page-about .tl__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  margin: 0 0 6px;
}

.page-about .tl__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-about .tl__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--paper-2);
  padding-left: 10px;
}

.page-about .tl__item--key .tl__body {
  background: var(--white);
  border: 1px solid var(--about-rule);
  padding: 16px 16px 18px;
  box-shadow: 4px 4px 0 var(--about-soft);
}

.page-about .about-tl__figure {
  margin: 14px 0 0;
}

/* 团队 */
.page-about .team-band {
  display: grid;
  gap: 0;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .team-band__seg {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 4px 12px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--white);
  background: var(--green);
  transition: background 240ms var(--ease), transform 240ms var(--ease);
}

.page-about .team-band__seg--data {
  background: var(--theatre);
}

.page-about .team-band__seg--care {
  background: var(--ink);
}

.page-about .team-band__seg:hover,
.page-about .team-band__seg:focus-visible {
  transform: translateY(-3px);
}

.page-about .team-band__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .team-band__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
}

.page-about .team-band__hint {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(251, 250, 246, 0.86);
}

.page-about .team-list {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .team-list__item {
  border-left: 3px solid var(--paper-2);
  padding: 2px 0 2px 16px;
  scroll-margin-top: calc(var(--bar-h) + 80px);
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-about .team-list__item:target {
  border-left-color: var(--magenta);
  background: var(--about-soft);
}

.page-about .team-list__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-about .team-list__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 6px;
}

/* 生产流程 */
.page-about .about-process {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 30px);
}

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

.page-about .flow__track {
  display: none;
  width: 100%;
  height: auto;
  margin: 18px 0 6px;
}

.page-about .flow__steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .flow__step {
  background: var(--white);
  border-left: 3px solid var(--theatre);
  padding: 14px 16px 16px;
}

.page-about .flow__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
  display: block;
  margin-bottom: 4px;
}

.page-about .flow__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 6px;
}

.page-about .flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text);
}

/* 场馆 */
.page-about .venue {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(18px, 3vw, 26px);
}

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

.page-about .venue__item {
  border-top: 1px solid var(--about-rule);
  padding: 16px 0 18px;
}

.page-about .venue__item:first-child {
  border-top: 3px solid var(--gold);
}

.page-about .venue__code {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--theatre);
}

.page-about .venue__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  margin: 0 0 8px;
}

.page-about .venue__item p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

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

/* 团体接待 */
.page-about .about-groups {
  background: var(--green);
  color: var(--white);
  padding: clamp(24px, 4vw, 44px) clamp(18px, 3vw, 40px);
  margin-left: calc(var(--gutter) * -1);
  margin-right: calc(var(--gutter) * -1);
}

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

.page-about .about-groups__lead {
  max-width: 56ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(251, 250, 246, 0.9);
}

.page-about .about-groups__grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 30px);
  background: rgba(251, 250, 246, 0.24);
}

.page-about .about-groups__cell {
  background: var(--green);
  padding: 18px 4px 20px;
}

.page-about .about-groups__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .about-groups__cell h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 6px;
  color: var(--white);
}

.page-about .about-groups__cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(251, 250, 246, 0.88);
}

.page-about .about-groups__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(251, 250, 246, 0.9);
}

.page-about .about-groups__link {
  color: var(--gold);
}

.page-about .about-groups__link:hover,
.page-about .about-groups__link:focus-visible {
  color: var(--white);
}

/* 合作生态 */
.page-about .about-partners {
  background: var(--paper-2);
  border: 1px solid var(--about-rule);
  padding: 18px;
}

.page-about .about-partners__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--theatre);
}

.page-about .about-partners__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-partners__list .tag {
  margin-right: 6px;
}

/* 收尾行动 */
.page-about .about-cta {
  margin-top: clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--about-rule);
  padding-top: clamp(20px, 3vw, 30px);
}

.page-about .about-cta__text {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.4;
}

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

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

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

  .page-about .about-split {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-about .about-split--flip {
    grid-template-columns: 7fr 4fr;
  }

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

  .page-about .team-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

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

  .page-about .venue {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-about .about-process {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }

  .page-about .flow__track {
    display: block;
  }

  .page-about .flow__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    margin-top: 8px;
  }

  .page-about .flow__step {
    border-left: 0;
    border-top: 3px solid var(--theatre);
    padding: 12px 12px 16px;
  }

  .page-about .tl {
    --tl-line-x: 148px;
    padding-left: 0;
  }

  .page-about .tl__item {
    grid-template-columns: 118px minmax(0, 1fr);
    column-gap: 46px;
    padding-bottom: 46px;
  }

  .page-about .tl__item::before {
    left: 143px;
    top: 9px;
  }

  .page-about .tl__year {
    text-align: right;
    padding-top: 3px;
    font-size: 13px;
  }

  .page-about .tl__note {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    border-left-color: var(--gold);
    transition: max-height 300ms var(--ease), opacity 300ms var(--ease), margin-top 300ms var(--ease);
    margin-top: 0;
  }

  .page-about .tl__item:hover .tl__note,
  .page-about .tl__item:focus-within .tl__note {
    max-height: 8em;
    opacity: 1;
    margin-top: 10px;
  }

  .page-about .about-groups {
    margin-left: 0;
    margin-right: 0;
  }

  .page-about .about-groups__cell {
    padding: 20px 18px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-jump__link,
  .page-about .team-band__seg,
  .page-about .team-list__item,
  .page-about .tl__note {
    transition: none;
  }

  .page-about .team-band__seg:hover,
  .page-about .team-band__seg:focus-visible {
    transform: none;
  }
}
<<<END>>>