.page-about {
  --about-cut: 20px;
  --about-card-line: rgba(10, 42, 67, .12);
  --about-card-bg: rgba(251, 253, 255, .92);
}

/* 首屏封面 */
.page-about .about-cover-wrap {
  position: relative;
  overflow: hidden;
  padding-block: 28px 72px;
  color: var(--sand);
  background:
    radial-gradient(120% 96% at 88% 4%, rgba(31, 158, 154, .34), transparent 62%),
    linear-gradient(162deg, var(--deep) 0%, var(--night) 100%);
}

.page-about .about-cover-wrap::after {
  content: "";
  position: absolute;
  inset: auto 0 -2px 0;
  height: 140px;
  pointer-events: none;
  background: radial-gradient(110% 100% at 50% 100%, rgba(105, 213, 198, .22), transparent 72%);
}

.page-about .about-cover {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
  margin-top: 30px;
}

.page-about .about-cover-wrap .breadcrumb-list a,
.page-about .about-cover-wrap .breadcrumb-list span {
  color: rgba(247, 241, 230, .7);
}

.page-about .about-cover-wrap .breadcrumb-list [aria-current="page"] {
  color: var(--teal-soft);
}

.page-about .about-title {
  margin: 14px 0 0;
  font-size: clamp(2.25rem, 7vw, 4.25rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.015em;
  color: #fff;
}

.page-about .about-title em {
  font-style: normal;
  background: var(--grad-teal);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-lead {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--on-dark);
}

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

.page-about .about-cover-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 20px 24px;
  background: rgba(6, 25, 43, .48);
  border: 1px solid rgba(105, 213, 198, .26);
  clip-path: polygon(0 0, calc(100% - var(--about-cut)) 0, 100% var(--about-cut), 100% 100%, 0 100%);
}

.page-about .about-cover-side .eyebrow-vertical {
  color: var(--teal-soft);
}

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

.page-about .about-quick li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
}

.page-about .about-quick-num {
  font-family: var(--mono, "IBM Plex Mono", "Roboto Mono", monospace);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: #fff;
}

.page-about .about-quick-num small {
  font-size: .55em;
  margin-left: 2px;
  color: var(--teal-soft);
}

.page-about .about-quick-label {
  font-size: .8125rem;
  letter-spacing: .04em;
  color: rgba(247, 241, 230, .72);
}

/* 品牌起点 */
.page-about .about-origin-note {
  display: none;
}

.page-about .about-origin-body {
  min-width: 0;
}

.page-about .about-body {
  max-width: 68ch;
  margin: 0;
  color: var(--ink-soft);
}

.page-about .about-figure {
  margin: 28px 0 30px;
  background: var(--deep);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

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

.page-about .about-figure .media__caption {
  padding: 12px 16px 14px;
  color: rgba(247, 241, 230, .74);
  font-size: .875rem;
}

/* 分段切换通用样式 */
.page-about .tabs .tablist {
  display: flex;
  gap: 8px;
  padding-bottom: 8px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}

.page-about .tabs .tab {
  flex: 0 0 auto;
  appearance: none;
  padding: 10px 18px;
  font: inherit;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--deep);
  background: var(--mist);
  border: 1px solid var(--about-card-line);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: background-color .24s var(--ease), color .24s var(--ease), transform .24s var(--ease);
}

.page-about .tabs .tab:hover {
  transform: translateY(-2px);
  border-color: var(--coral);
}

.page-about .tabs .tab[aria-selected="true"] {
  color: var(--night);
  background: var(--grad-teal);
  border-color: transparent;
}

.page-about .tabpanel {
  margin-top: 18px;
  padding: 20px 18px 22px;
  background: var(--about-card-bg);
  border: 1px solid var(--about-card-line);
  border-left: 3px solid var(--teal);
}

/* 发展时间轴 */
.page-about .about-timeline {
  margin-top: 34px;
}

.page-about .about-stage-year {
  margin: 0 0 8px;
  font-family: var(--mono, "IBM Plex Mono", "Roboto Mono", monospace);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--coral-deep);
}

.page-about .about-stage-title {
  margin: 0 0 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--deep);
}

.page-about .about-stage-text {
  max-width: 62ch;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.85;
}

/* 服务版图 */
.page-about .about-map {
  display: grid;
  gap: 26px;
}

.page-about .about-map-visual {
  background: rgba(6, 25, 43, .55);
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

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

.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-metric {
  padding: 16px 14px 18px;
  background: rgba(6, 25, 43, .5);
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-about .about-metric-num {
  display: block;
  font-family: var(--mono, "IBM Plex Mono", "Roboto Mono", monospace);
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--teal-soft);
}

.page-about .about-metric-num small {
  font-size: .5em;
  margin-left: 2px;
  color: var(--coral-soft);
}

.page-about .about-metric-label {
  display: block;
  margin-top: 6px;
  font-size: .9375rem;
  font-weight: 600;
  color: #fff;
}

.page-about .about-metric-note {
  display: block;
  margin-top: 8px;
  font-size: .8125rem;
  line-height: 1.8;
  color: var(--on-dark);
}

/* 会员体系 */
.page-about .about-tier-tagline {
  margin: 0 0 16px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--deep);
}

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

.page-about .about-tier-list li {
  padding: 12px 14px;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
  background: var(--mist);
  border: 1px solid var(--about-card-line);
}

.page-about .about-tier-list strong {
  display: inline-block;
  min-width: 5em;
  margin-right: 6px;
  font-weight: 700;
  color: var(--teal-deep);
}

.page-about .about-tier-note {
  margin: 18px 0 0;
  padding-left: 14px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-mute);
  border-left: 2px solid var(--coral-soft);
}

.page-about .about-member-more {
  margin: 24px 0 0;
  font-size: .9375rem;
  color: var(--ink-soft);
}

.page-about .about-member-more a,
.page-about .about-local-link a {
  color: var(--coral-deep);
  font-weight: 600;
  text-underline-offset: 4px;
}

/* 内容团队 */
.page-about .about-flow {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-flow-step {
  padding: 16px 16px 18px;
  background: var(--about-card-bg);
  border: 1px solid var(--about-card-line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-about .about-flow-num {
  display: block;
  font-family: var(--mono, "IBM Plex Mono", "Roboto Mono", monospace);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--coral-deep);
}

.page-about .about-flow-title {
  margin: 6px 0 6px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--deep);
}

.page-about .about-flow-text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-about .about-team-stats {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--about-card-line);
}

.page-about .about-team-stat-num {
  flex: 0 0 auto;
  font-family: var(--mono, "IBM Plex Mono", "Roboto Mono", monospace);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--teal-deep);
}

.page-about .about-team-stat-label {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .about-team-figure {
  margin: 30px 0 0;
  background: var(--deep);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

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

.page-about .about-team-figure .media__caption {
  padding: 12px 16px 14px;
  font-size: .875rem;
  color: rgba(247, 241, 230, .74);
}

/* 合作与荣誉 */
.page-about .about-partners {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partner {
  padding: 20px 18px 22px;
  background: var(--about-card-bg);
  border: 1px solid var(--about-card-line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-about .about-partner:hover {
  transform: translateY(-3px);
  border-color: var(--coral);
}

.page-about .about-partner-num {
  margin: 0;
  font-family: var(--mono, "IBM Plex Mono", "Roboto Mono", monospace);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--deep);
}

.page-about .about-partner-num small {
  font-size: .45em;
  margin-left: 3px;
  color: var(--slate);
}

.page-about .about-partner-name {
  margin: 10px 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--teal-deep);
}

.page-about .about-partner-text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-about .about-honors {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-honor {
  padding: 18px 18px 20px 20px;
  background: var(--mist);
  border-left: 3px solid var(--coral);
  transition: background-color .24s var(--ease), transform .24s var(--ease);
}

.page-about .about-honor:hover {
  transform: translateY(-3px);
  background: #fff;
}

.page-about .about-honor-year {
  display: block;
  font-family: var(--mono, "IBM Plex Mono", "Roboto Mono", monospace);
  font-size: .8125rem;
  letter-spacing: .14em;
  color: var(--coral-deep);
}

.page-about .about-honor-name {
  margin: 8px 0 6px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--deep);
}

.page-about .about-honor-text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 本地化服务与联系 */
.page-about .about-local {
  display: grid;
  gap: 30px;
}

.page-about .about-local-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-local-list li {
  position: relative;
  padding-left: 22px;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-about .about-local-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  background: var(--coral);
}

.page-about .about-local-link {
  margin: 22px 0 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-about .about-contact {
  padding: 24px 20px 26px;
}

.page-about .about-contact h3 {
  margin: 0 0 12px;
  font-size: 1.125rem;
  font-weight: 700;
}

.page-about .about-contact .contact-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-about .about-contact .contact-label {
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--teal-soft);
}

.page-about .about-contact .contact-value {
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--sand);
  word-break: break-word;
}

.page-about .about-contact .contact-note {
  margin: 16px 0 20px;
  font-size: .8125rem;
  line-height: 1.85;
  color: var(--on-dark);
}

/* 延伸入口 */
.page-about .about-next {
  display: grid;
  gap: 12px;
  margin-top: 42px;
}

.page-about .about-next-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  color: var(--deep);
  text-decoration: none;
  background: var(--mist);
  border: 1px solid var(--about-card-line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}

.page-about .about-next-card:hover {
  transform: translateY(-3px);
  border-color: var(--coral);
  box-shadow: var(--shadow-card);
}

.page-about .about-next-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--teal-deep);
}

.page-about .about-next-text {
  font-size: .875rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

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

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

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

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

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

@media (min-width: 900px) {
  .page-about .about-cover-wrap {
    padding-block: 36px 96px;
  }

  .page-about .about-cover {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: start;
    gap: 48px;
    margin-top: 42px;
  }

  .page-about .about-origin-note {
    display: block;
    padding-top: 8px;
  }

  .page-about .about-map {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }

  .page-about .tabpanel {
    padding: 26px 26px 28px;
  }

  .page-about .about-local {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    align-items: start;
    gap: 44px;
  }

  .page-about .about-team-figure {
    margin-top: 6px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-metrics {
    gap: 16px;
  }

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

.page-about {
  --mono: inherit;
}