.page-about {
  --about-paper: var(--color-paper);
  --about-deep: var(--color-deep);
  --about-deep-2: var(--color-deep-2);
  --about-gold: var(--color-gold);
  --about-primary: var(--color-primary);
  --about-ink: var(--color-ink);
  --about-muted: var(--color-muted);
  --about-white: var(--color-white);
  --about-wine: var(--color-wine);

  background: var(--about-paper);
  color: var(--about-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 面包屑与展览标签在页面内的间距微调 */
.page-about .breadcrumb {
  margin: 0 0 40px;
}

.page-about .container {
  position: relative;
  z-index: 1;
}

.page-about .exhibit-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-body);
}

.page-about .exhibit-no {
  display: inline-block;
  padding: 4px 10px;
  background: var(--about-ink);
  color: var(--about-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .08em;
}

.page-about .exhibit-title {
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-about .exhibit-label--light {
  color: rgba(255, 255, 255, .82);
}

.page-about .exhibit-label--light .exhibit-no {
  background: var(--about-primary);
  color: var(--about-white);
}

.page-about .exhibit-label--light .exhibit-title {
  color: rgba(255, 255, 255, .9);
}

/* ========== 01 品牌故事 / Hero ========== */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 72px;
  background: var(--about-paper);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -90px;
  right: -130px;
  width: 440px;
  height: 300px;
  background: var(--about-primary);
  opacity: .08;
  transform: skewX(-18deg);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 320px;
  left: -120px;
  width: 280px;
  height: 280px;
  border: 3px solid var(--about-gold);
  opacity: .45;
  transform: rotate(16deg) skewX(-8deg);
}

.page-about .about-hero-grid {
  display: grid;
  gap: 36px;
  margin-top: 16px;
}

.page-about .about-hero-copy {
  max-width: 680px;
}

.page-about .about-hero-title {
  font-family: var(--font-head);
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 20px 0 4px;
  color: var(--about-ink);
}

.page-about .about-hero-subtitle {
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--about-primary);
  margin: 0 0 20px;
  letter-spacing: .01em;
}

.page-about .about-hero-lead {
  font-size: 18px;
  color: var(--about-deep);
  margin: 0 0 14px;
}

.page-about .about-hero-body {
  font-size: 16px;
  color: var(--about-ink);
  margin: 0 0 24px;
  max-width: 640px;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-about .about-hero-media {
  margin: 0;
  position: relative;
  background: var(--about-deep);
  border: 1px solid rgba(15, 28, 63, .22);
  padding: 8px;
  box-shadow: 12px 16px 0 rgba(212, 162, 78, .22);
  align-self: start;
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-hero-media figcaption {
  padding: 12px 6px 4px;
  font-size: 14px;
  color: var(--about-muted);
  border-top: 1px solid rgba(15, 28, 63, .12);
  margin-top: 8px;
}

/* ========== 02 发展里程碑 ========== */
.page-about .about-milestones {
  background: var(--about-deep);
  background-image:
    linear-gradient(135deg, transparent 0%, rgba(255, 75, 43, .1) 48%, transparent 58%),
    radial-gradient(circle at 86% 8%, rgba(74, 47, 143, .32) 0%, transparent 44%);
  color: var(--about-white);
  padding: 72px 0 84px;
}

.page-about .about-milestones h2,
.page-about .about-team h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.16;
  margin: 4px 0 10px;
  color: var(--about-white);
}

.page-about .about-milestones-lead,
.page-about .about-team-lead {
  font-size: 17px;
  color: rgba(255, 255, 255, .82);
  margin: 0 0 8px;
  max-width: 680px;
}

.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 26px;
  margin: 40px 0 48px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: linear-gradient(180deg, var(--about-gold), var(--about-primary) 38%, var(--about-gold));
  transform: skewX(-16deg);
  transform-origin: top center;
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 46px;
}

.page-about .about-timeline-item:hover .about-timeline-marker {
  background: var(--about-gold);
  transform: rotate(45deg) scale(1.2);
  box-shadow: 0 0 0 4px var(--about-primary);
}

.page-about .about-timeline-marker {
  position: absolute;
  left: 0;
  top: 22px;
  width: 16px;
  height: 16px;
  background: var(--about-primary);
  border: 3px solid var(--about-deep);
  transform: rotate(45deg);
  box-shadow: 0 0 0 2px var(--about-gold);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.page-about .about-timeline-card {
  background: rgba(9, 18, 46, .55);
  border: 1px solid rgba(212, 162, 78, .32);
  border-left: 4px solid var(--about-primary);
  padding: 18px 20px;
  position: relative;
  transition: border-color .2s ease, background .2s ease;
}

.page-about .about-timeline-item:hover .about-timeline-card {
  border-left-color: var(--about-gold);
  background: rgba(9, 18, 46, .72);
}

.page-about .about-timeline-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--about-gold);
}

.page-about .about-timeline-card h3 {
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--about-white);
  margin: 6px 0 6px;
}

.page-about .about-timeline-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, .84);
  margin: 0;
  line-height: 1.65;
}

.page-about .about-milestones-media {
  margin: 40px 0 0;
  background: var(--about-deep-2);
  border: 1px solid rgba(212, 162, 78, .38);
  padding: 8px;
}

.page-about .about-milestones-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-milestones-media figcaption {
  padding: 12px 6px 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
  border-top: 1px solid rgba(212, 162, 78, .25);
  margin-top: 8px;
}

/* ========== 03 数据与服务能力 ========== */
.page-about .about-capabilities {
  background: var(--about-paper);
  padding: 72px 0 76px;
  border-bottom: 3px double var(--about-gold);
}

.page-about .about-capabilities h2,
.page-about .about-honors h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.16;
  margin: 4px 0 10px;
  color: var(--about-ink);
}

.page-about .about-capabilities-lead,
.page-about .about-honors-lead {
  font-size: 17px;
  color: var(--about-muted);
  margin: 0 0 32px;
  max-width: 620px;
}

.page-about .about-metrics {
  display: grid;
  gap: 22px;
}

.page-about .about-metric-card {
  background: var(--about-white);
  border: 1px solid rgba(15, 28, 63, .16);
  padding: 26px 24px;
  position: relative;
  box-shadow: 7px 7px 0 rgba(212, 162, 78, .22);
  transition: transform .22s ease, box-shadow .22s ease;
}

.page-about .about-metric-card:hover {
  box-shadow: 11px 12px 0 rgba(255, 75, 43, .26);
  transform: translate(-3px, -3px);
}

.page-about .about-metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--about-primary);
}

.page-about .about-metric-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  margin: 14px 0 6px;
  color: var(--about-ink);
}

.page-about .about-metric-card p {
  font-size: 14px;
  color: var(--about-muted);
  margin: 0;
  line-height: 1.65;
}

/* ========== 04 资质与荣誉 ========== */
.page-about .about-honors {
  background: var(--about-paper);
  padding: 72px 0 80px;
}

.page-about .about-honor-wall {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-about .about-honor-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  background: var(--about-white);
  border: 1px solid var(--about-gold);
  border-radius: 4px;
  position: relative;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--about-ink);
  box-shadow: 4px 4px 0 rgba(212, 162, 78, .18);
  transform: skewX(-6deg);
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-about .about-honor-tag::before {
  content: "◆";
  font-size: 11px;
  color: var(--about-gold);
  display: inline-block;
  flex: 0 0 auto;
}

.page-about .about-honor-tag:hover {
  transform: skewX(0deg) translateY(-4px) rotate(1.2deg);
  box-shadow: 8px 10px 0 rgba(255, 75, 43, .2);
}

/* ========== 05 团队与组织 ========== */
.page-about .about-team {
  background: var(--about-deep);
  background-image: linear-gradient(180deg, rgba(255, 75, 43, .12) 0%, transparent 30%);
  color: var(--about-white);
  padding: 72px 0 80px;
}

.page-about .about-team-lead {
  font-size: 16px;
  margin-bottom: 0;
}

.page-about .about-team-grid {
  display: grid;
  gap: 20px;
  margin: 36px 0 40px;
}

.page-about .about-team-card {
  border: 1px solid rgba(212, 162, 78, .3);
  border-left: 4px solid var(--about-primary);
  background: rgba(255, 255, 255, .045);
  padding: 24px;
}

.page-about .about-team-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--about-white);
  margin: 0 0 8px;
}

.page-about .about-team-card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .72);
  margin: 0;
}

.page-about .about-team-media {
  margin: 0;
  border: 1px solid rgba(212, 162, 78, .38);
  padding: 8px;
  background: var(--about-deep-2);
}

.page-about .about-team-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-team-media figcaption {
  padding: 12px 6px 4px;
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
  border-top: 1px solid rgba(212, 162, 78, .24);
  margin-top: 8px;
}

.page-about .about-team-contact {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  border-top: 1px solid rgba(212, 162, 78, .28);
  padding-top: 32px;
}

.page-about .about-team-contact p {
  margin: 0;
  font-size: 16px;
  color: rgba(255, 255, 255, .8);
}

/* ========== 响应式 ========== */
@media (min-width: 768px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
    gap: 48px;
  }

  .page-about .about-hero-media {
    margin-top: 8px;
  }

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

  .page-about .about-team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .page-about .about-honor-tag {
    flex: 0 1 auto;
  }
}

@media (min-width: 1080px) {
  .page-about .about-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-team-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-timeline {
    gap: 30px;
  }

  .page-about .about-timeline-card {
    padding: 22px 24px;
  }

  .page-about .about-milestones-media {
    max-width: 900px;
    margin-left: auto;
    margin-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline-marker,
  .page-about .about-metric-card,
  .page-about .about-honor-tag {
    transition: none;
    transform: none;
  }
}