.page-about {
  --about-rule: rgba(30, 111, 107, 0.22);
  --about-card: #FBF7EF;
  --about-body: #3A352F;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .about-wrap {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-about .container {
  width: 100%;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--stone);
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--turq-mist);
}

.page-about .breadcrumb a {
  color: var(--turq);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  border-bottom-color: var(--turq);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding: clamp(14px, 3vw, 26px) 0 clamp(26px, 4.5vw, 48px);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--turq);
}

.page-about .about-hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 30px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--gold);
}

.page-about .about-hero h1 {
  margin: 0;
  max-width: 11em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-night);
}

.page-about .about-hero__lede {
  margin: 18px 0 0;
  max-width: 30em;
  font-size: 1rem;
  color: var(--about-body);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 首屏数据卡 */
.page-about .about-facts {
  margin: 0;
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink-dusk);
  color: var(--paper);
  border-radius: 2px 26px 2px 26px;
  box-shadow: 0 20px 44px -30px rgba(19, 26, 51, 0.95);
  transform: rotate(-1.2deg);
}

.page-about .about-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(168, 207, 201, 0.26);
}

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

.page-about .about-facts dt {
  flex: none;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--turq-mist);
}

.page-about .about-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  text-align: right;
  color: var(--paper);
}

.page-about .about-facts__addr {
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.5;
  max-width: 14em;
}

/* 五色细线 */
.page-about .flagline {
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(
    90deg,
    #2C4C8E 0 20%,
    var(--paper) 20% 40%,
    var(--flag-red) 40% 60%,
    var(--turq) 60% 80%,
    var(--flag-yellow) 80% 100%
  );
}

/* ---------- 章节通用 ---------- */
.page-about .about-sec {
  padding: clamp(34px, 5.5vw, 68px) 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .about-sec:first-of-type {
  border-top: 0;
}

.page-about .about-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  margin-bottom: 14px;
}

.page-about .about-sec__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.2vw, 2.1rem);
  line-height: 1.32;
  color: var(--ink-night);
}

.page-about .about-sec__lede {
  max-width: 30em;
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: 0.95rem;
  color: var(--stone);
}

.page-about .about-prose p {
  margin: 0 0 1.05em;
  max-width: 34em;
  font-size: 0.97rem;
  color: var(--about-body);
}

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

.page-about .about-prose a,
.page-about .about-note a,
.page-about .about-callout a {
  color: var(--turq);
  text-decoration: none;
  border-bottom: 1px solid var(--turq-mist);
}

.page-about .about-prose a:hover,
.page-about .about-note a:hover,
.page-about .about-callout a:hover,
.page-about .about-prose a:focus-visible,
.page-about .about-note a:focus-visible,
.page-about .about-callout a:focus-visible {
  border-bottom-color: var(--amber);
  color: var(--ink-night);
}

.page-about .about-note {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--stone);
}

/* ---------- 沿革 ---------- */
.page-about .about-time {
  display: grid;
}

.page-about .about-time__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 18px 12px 18px 10px;
  border-top: 1px dashed rgba(30, 111, 107, 0.32);
  border-radius: 6px;
  scroll-margin-top: 84px;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

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

.page-about .about-time__item:target {
  background: rgba(224, 138, 60, 0.13);
  box-shadow: inset 3px 0 0 var(--amber);
}

.page-about .about-time__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--turq);
}

.page-about .about-time__year a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted var(--turq-mist);
}

.page-about .about-time__year a:hover,
.page-about .about-time__year a:focus-visible {
  color: var(--flag-red);
  border-bottom-color: var(--flag-red);
}

.page-about .about-time__item:target .about-time__year {
  color: var(--flag-red);
}

.page-about .about-time__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-night);
}

.page-about .about-time__body p {
  margin: 0;
  max-width: 34em;
  font-size: 0.94rem;
  color: var(--about-body);
}

/* ---------- 三个空间 ---------- */
.page-about .about-rooms {
  display: grid;
  gap: 14px;
}

.page-about .about-room {
  padding: clamp(16px, 2.6vw, 22px);
  background: var(--about-card);
  border: 1px solid var(--about-rule);
  border-radius: 4px 20px 4px 20px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-about .about-room:hover,
.page-about .about-room:focus-within {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: 0 16px 30px -24px rgba(19, 26, 51, 0.9);
}

.page-about .about-room__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 12px;
}

.page-about .about-room__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 800;
  color: var(--ink-night);
}

.page-about .about-room__seat {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--turq);
}

.page-about .about-room__bar {
  height: 6px;
  border-radius: 999px;
  margin: 12px 0;
  transition: filter var(--dur) var(--ease);
}

.page-about .about-room--main .about-room__bar {
  width: 100%;
  background: linear-gradient(90deg, var(--amber), var(--gold));
}

.page-about .about-room--small .about-room__bar {
  width: 30%;
  min-width: 64px;
  background: linear-gradient(90deg, var(--turq), var(--turq-mist));
}

.page-about .about-room--gallery .about-room__bar {
  width: 16%;
  min-width: 56px;
  background: linear-gradient(90deg, var(--flag-red), var(--flag-yellow));
}

.page-about .about-room:hover .about-room__bar {
  filter: brightness(1.08);
}

.page-about .about-room p {
  margin: 0;
  max-width: 34em;
  font-size: 0.94rem;
  color: var(--about-body);
}

/* ---------- 图 ---------- */
.page-about .about-figure {
  margin: clamp(22px, 4vw, 36px) 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px 24px 2px 24px;
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ---------- 提示条 ---------- */
.page-about .about-callout {
  margin: 22px 0 0;
  padding: 16px 18px;
  background: rgba(224, 138, 60, 0.11);
  border-left: 3px solid var(--amber);
  border-radius: 0 14px 14px 0;
}

.page-about .about-callout p {
  margin: 0;
  max-width: 34em;
  font-size: 0.93rem;
  color: var(--about-body);
}

/* ---------- 演出季 ---------- */
.page-about .about-split {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-about .about-seasons {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-about .about-season {
  padding-top: 12px;
  border-top: 2px solid var(--turq);
}

.page-about .about-season--autumn {
  border-top-color: var(--amber);
}

.page-about .about-season h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--ink-night);
}

.page-about .about-season p {
  margin: 0;
  max-width: 34em;
  font-size: 0.94rem;
  color: var(--about-body);
}

/* ---------- 团队 ---------- */
.page-about .about-crew {
  display: grid;
  gap: 10px;
}

.page-about .about-crew__item {
  background: var(--about-card);
  border: 1px solid var(--about-rule);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-crew__item[open] {
  border-color: var(--turq-mist);
}

.page-about .about-crew__item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-crew__item summary:focus-visible {
  outline: 2px dashed var(--gold);
  outline-offset: -3px;
}

.page-about .about-crew__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--on-amber);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
}

.page-about .about-crew__name {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink-night);
}

.page-about .about-crew__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--stone);
  text-align: right;
}

.page-about .about-crew__body {
  padding: 0 16px 16px 54px;
}

.page-about .about-crew__body p {
  margin: 0;
  max-width: 34em;
  font-size: 0.93rem;
  color: var(--about-body);
}

/* ---------- 合作 ---------- */
.page-about .about-partners {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
}

.page-about .about-partner__side {
  display: grid;
  gap: 20px;
}

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

.page-about .about-plans li {
  position: relative;
  padding-left: 20px;
  font-size: 0.93rem;
  color: var(--about-body);
}

.page-about .about-plans li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  transform: rotate(14deg);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 10px;
}

.page-about .about-stat {
  padding: 14px 12px;
  background: var(--ink-night);
  color: var(--paper);
  border-radius: 2px 16px 2px 16px;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--gold);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--turq-mist);
}

/* ---------- 坚持 ---------- */
.page-about .about-beliefs {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-about .about-belief {
  padding-top: 14px;
  border-top: 2px solid var(--gold);
}

.page-about .about-belief__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-belief h3 {
  margin: 8px 0;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--ink-night);
}

.page-about .about-belief p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--about-body);
}

/* ---------- 结尾通道 ---------- */
.page-about .about-cta {
  position: relative;
  overflow: hidden;
  margin: clamp(30px, 5vw, 58px) 0 clamp(40px, 6vw, 72px);
  padding: clamp(26px, 4.5vw, 50px);
  background: linear-gradient(135deg, var(--ink-night) 0%, var(--ink-dusk) 62%, var(--turq) 100%);
  color: var(--paper);
  border-radius: 2px 32px 2px 32px;
}

.page-about .about-cta::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(201, 162, 39, 0.45);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .about-cta h2 {
  position: relative;
  margin: 0 0 10px;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.6vw, 1.9rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-about .about-cta p {
  position: relative;
  margin: 0 0 22px;
  max-width: 32em;
  font-size: 0.94rem;
  color: rgba(244, 238, 227, 0.82);
}

.page-about .about-cta__links {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-cta__links a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid rgba(168, 207, 201, 0.55);
  border-radius: 999px;
  color: var(--paper);
  font-size: 0.86rem;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-about .about-cta__links a:hover,
.page-about .about-cta__links a:focus-visible {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--on-amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-seasons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-partners {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-about .about-facts {
    margin-top: 10px;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .about-figure--tall {
    margin-top: 0;
  }

  .page-about .about-time__item {
    grid-template-columns: 84px minmax(0, 1fr);
    padding: 22px 16px 22px 14px;
  }

  .page-about .about-rooms {
    gap: 18px;
  }

  .page-about .about-room--small {
    margin-left: clamp(0px, 3vw, 46px);
  }

  .page-about .about-room--gallery {
    margin-left: clamp(0px, 6vw, 92px);
  }
}

@media (min-width: 1100px) {
  .page-about {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-room,
  .page-about .about-room__bar,
  .page-about .about-time__item,
  .page-about .about-cta__links a {
    transition: none;
  }

  .page-about .about-room:hover,
  .page-about .about-room:focus-within {
    transform: none;
  }
}