.page-about {
  display: block;
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-about .owl-section {
  padding: 2.75rem 0;
}

.page-about .owl-section--tight {
  padding: 1.75rem 0;
}

@media (min-width: 900px) {
  .page-about .owl-section {
    padding: 4.5rem 0;
  }
}

.page-about .owl-breadcrumb {
  margin-bottom: 1.25rem;
}

/* ---------- 首屏：展览说明牌 + 主题声明 ---------- */
.page-about .about-hero__grid {
  display: grid;
  gap: 1.5rem;
  border-top: 1px solid var(--owl-line);
  padding-top: 1.5rem;
}

@media (min-width: 860px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(140px, 196px) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }
}

.page-about .about-hero__plate {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.85rem;
  background: var(--owl-paper);
  color: var(--owl-charcoal);
  padding: 1rem 1.15rem;
  border-radius: var(--owl-radius);
}

@media (min-width: 860px) {
  .page-about .about-hero__plate {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.45rem;
    padding: 1.5rem 1.2rem;
  }
}

.page-about .about-hero__no {
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: rgba(11, 27, 58, 0.58);
}

.page-about .about-hero__year {
  font-family: var(--font-num);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--owl-indigo);
}

.page-about .about-hero__year-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: rgba(16, 19, 23, 0.6);
}

.page-about .about-hero__main h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.6vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 1.15rem;
  color: var(--owl-white);
  text-wrap: balance;
}

.page-about .about-hero__main .owl-lede {
  max-width: 60ch;
  margin: 0;
}

/* ---------- 品牌起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
    align-items: start;
  }
}

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

.page-about .about-origin__text h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4vw, 2.15rem);
  line-height: 1.12;
  margin: 0.9rem 0 1rem;
  color: var(--owl-white);
}

.page-about .about-origin__text p {
  margin: 0 0 1rem;
  max-width: 56ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--owl-muted);
}

.page-about .about-origin__list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--owl-line);
}

.page-about .about-origin__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 1.25rem;
  justify-content: space-between;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--owl-line);
  font-size: 0.92rem;
}

.page-about .about-origin__k {
  color: var(--owl-dim);
  letter-spacing: 0.04em;
}

.page-about .about-origin__v {
  color: var(--owl-white);
}

/* ---------- 版本演进时间轴 ---------- */
.page-about .about-tl__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: 1.25rem;
}

.page-about .about-tl__head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 4.4vw, 2.5rem);
  line-height: 1.08;
  margin: 0.7rem 0 0;
  color: var(--owl-white);
  max-width: 24ch;
}

.page-about .about-tl__hint {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--owl-dim);
}

.page-about .about-timeline {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .about-node {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--owl-line);
  background: var(--owl-slate);
  border-radius: var(--owl-radius);
  overflow: hidden;
}

@media (min-width: 820px) {
  .page-about .about-node {
    grid-template-columns: 168px minmax(0, 1fr);
  }
}

.page-about .about-node__plate {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.7rem;
  background: var(--owl-paper);
  color: var(--owl-charcoal);
  padding: 0.9rem 1.1rem;
}

@media (min-width: 820px) {
  .page-about .about-node__plate {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem 1.15rem;
  }
}

.page-about .about-node__ver {
  font-family: var(--font-num);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-about .about-node__stage {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: rgba(16, 19, 23, 0.58);
}

.page-about .about-node__panel {
  padding: 1.15rem 1.2rem 1.35rem;
}

@media (min-width: 820px) {
  .page-about .about-node__panel {
    padding: 1.6rem 1.9rem 1.8rem;
  }
}

.page-about .about-node__title {
  font-family: var(--font-head);
  font-size: clamp(1.08rem, 2.6vw, 1.45rem);
  line-height: 1.2;
  margin: 0 0 0.6rem;
  color: var(--owl-white);
}

.page-about .about-node__text {
  margin: 0;
  max-width: 68ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--owl-muted);
}

.page-about .about-node__panel .owl-disclosure {
  margin-top: 1rem;
  border-top: 1px solid var(--owl-line);
}

.page-about .about-node__panel .owl-disclosure__summary {
  padding-top: 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--owl-lime);
}

.page-about .about-node__panel .owl-disclosure__body p {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--owl-dim);
}

.page-about .about-timeline__figure {
  border: 1px solid var(--owl-line);
  background: var(--owl-slate);
  border-radius: var(--owl-radius);
  overflow: hidden;
}

.page-about .about-timeline__figure .owl-media {
  margin: 0;
}

.page-about .about-timeline__figure .owl-media__caption {
  padding: 0.85rem 1.15rem 1rem;
}

/* ---------- 数据与检索 ---------- */
.page-about .about-data h2 {
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 4.4vw, 2.5rem);
  line-height: 1.08;
  margin: 0.7rem 0 0.9rem;
  color: var(--owl-white);
  max-width: 22ch;
}

.page-about .about-data__lede {
  margin: 0;
  max-width: 64ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--owl-muted);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--owl-line);
  border: 1px solid var(--owl-line);
  border-radius: var(--owl-radius);
  overflow: hidden;
  margin-top: 1.75rem;
}

@media (min-width: 780px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-stat {
  background: var(--owl-indigo);
  padding: 1.25rem 1.05rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.page-about .about-stat__num {
  font-family: var(--font-num);
  font-size: clamp(1.45rem, 4.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--owl-white);
}

.page-about .about-stat__num em {
  font-style: normal;
  font-size: 0.5em;
  color: var(--owl-lime);
  margin-left: 0.15em;
  letter-spacing: 0.02em;
}

.page-about .about-stat__label {
  font-size: 0.79rem;
  line-height: 1.6;
  color: var(--owl-dim);
}

.page-about .about-data__notes {
  margin-top: 1.75rem;
}

.page-about .about-note {
  padding: 1.15rem 1.2rem 1.3rem;
}

.page-about .about-note__title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  line-height: 1.25;
  margin: 0 0 0.6rem;
  color: var(--owl-white);
}

.page-about .about-note__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--owl-muted);
}

/* ---------- 团队与运营 ---------- */
.page-about .about-team {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 900px) {
  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 3rem;
    align-items: center;
  }
}

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

.page-about .about-team__text h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4vw, 2.15rem);
  line-height: 1.12;
  margin: 0.9rem 0 0.85rem;
  color: var(--owl-white);
  max-width: 20ch;
}

.page-about .about-team__lede {
  margin: 0 0 1.35rem;
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--owl-muted);
}

.page-about .about-team__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--owl-line);
}

.page-about .about-team__facts li {
  display: grid;
  grid-template-columns: minmax(60px, auto) minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--owl-line);
}

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

.page-about .about-team__num {
  font-family: var(--font-num);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--owl-lime);
  white-space: nowrap;
}

.page-about .about-team__num em {
  font-style: normal;
  font-size: 0.68em;
}

.page-about .about-team__desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--owl-muted);
}

/* ---------- 合作与荣誉 ---------- */
.page-about .about-divider {
  color: var(--owl-lime);
  opacity: 0.55;
  margin-bottom: 1.5rem;
}

.page-about .about-divider svg {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-about .about-honours-section h2 {
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 4.4vw, 2.5rem);
  line-height: 1.08;
  margin: 0.7rem 0 0.85rem;
  color: var(--owl-white);
  max-width: 22ch;
}

.page-about .about-honours__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--owl-muted);
}

.page-about .about-honours {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

@media (min-width: 800px) {
  .page-about .about-honours {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-honour {
  background: var(--owl-paper);
  color: var(--owl-charcoal);
  border-top: 3px solid var(--owl-lime);
  border-radius: var(--owl-radius);
  padding: 1.25rem 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-about .about-honour__year {
  font-family: var(--font-num);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(11, 27, 58, 0.62);
}

.page-about .about-honour__title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  line-height: 1.28;
  font-weight: 700;
  margin: 0;
}

.page-about .about-honour__text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.7;
  color: rgba(16, 19, 23, 0.72);
}

/* ---------- 下一阶段 ---------- */
.page-about .about-next__card {
  border: 1px solid var(--owl-line);
  border-radius: var(--owl-radius);
  background-color: var(--owl-charcoal);
  background-image:
    linear-gradient(var(--owl-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--owl-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  padding: clamp(1.4rem, 4vw, 2.75rem);
}

.page-about .about-next__card h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  line-height: 1.1;
  margin: 0.75rem 0 0.9rem;
  color: var(--owl-white);
  max-width: 22ch;
}

.page-about .about-next__text {
  margin: 0 0 0.85rem;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--owl-muted);
}

.page-about .about-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.page-about .about-next__back {
  margin: 1.35rem 0 0;
  font-size: 0.88rem;
}

/* ---------- 筛选状态微调 ---------- */
.page-about .about-tl .owl-filter-bar {
  margin-top: 1.25rem;
}

.page-about [data-filter-item][hidden] {
  display: none;
}

/* ---------- 窄屏防溢出 ---------- */
@media (max-width: 420px) {
  .page-about .about-node__ver {
    font-size: 1.35rem;
  }

  .page-about .about-team__facts li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.25rem;
  }

  .page-about .about-next__links .btn {
    width: 100%;
    justify-content: center;
  }
}
<<<END>>>