.page-about {
  --about-frame-pad: 14px;
  --about-fade: rgba(251, 247, 240, 0);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb {
  padding-top: 24px;
}

.page-about .about-crumb .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-about .about-crumb .breadcrumb-sep {
  color: var(--line);
}

.page-about .about-crumb .breadcrumb-current {
  color: var(--ink);
  font-weight: 700;
}

.page-about .about-crumb a.breadcrumb-link {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding: 4px 2px;
  min-height: 32px;
  display: inline-block;
}

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

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 20px 0 56px;
}

.page-about .about-hero-inner {
  display: grid;
  gap: 36px;
}

.page-about .about-kicker {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--teal);
  text-transform: none;
}

.page-about h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 8.4vw, 46px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-about .about-lede {
  margin: 0 0 28px;
  max-width: 34em;
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-about .about-facts {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-facts li {
  flex: 1 1 120px;
  min-width: 108px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  padding: 14px 16px;
  box-shadow: var(--shadow-soft);
}

.page-about .about-facts strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 7vw, 34px);
  line-height: 1.1;
  color: var(--red-deep);
  letter-spacing: 0.02em;
}

.page-about .about-facts span {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-soft);
}

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

.page-about .about-hero-actions .btn {
  min-height: 52px;
  padding: 14px 24px;
  font-size: 20px;
  font-weight: 700;
}

.page-about .about-hero-figure {
  margin: 0;
}

.page-about .about-frame {
  position: relative;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--about-frame-pad);
  background: var(--cream);
  overflow: hidden;
}

.page-about .about-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 12px);
  object-fit: cover;
}

.page-about .about-frame--soft {
  background: var(--paper);
}

.page-about .about-frame-rule {
  position: absolute;
  left: var(--about-frame-pad);
  right: var(--about-frame-pad);
  top: 6px;
  height: 6px;
  border-radius: var(--pill);
  background: linear-gradient(
    to right,
    var(--red) 0 18%,
    var(--gold) 18% 34%,
    var(--teal) 34% 52%,
    var(--line) 52% 100%
  );
  opacity: 0.75;
}

.page-about .about-hero-cap {
  margin: 12px 2px 0;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ---------- 目录带 ---------- */
.page-about .about-index {
  padding: 8px 0 12px;
}

.page-about .about-index-band {
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  padding: 22px 20px 24px;
}

.page-about .index-band-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.page-about .index-band-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .index-chip {
  margin: 0;
}

.page-about .about-chip-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 10px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: var(--cream);
  color: var(--ink);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 200ms var(--ease), background 200ms var(--ease), transform 200ms var(--ease);
}

.page-about .about-chip-link:hover,
.page-about .about-chip-link:focus-visible {
  border-color: var(--teal);
  background: var(--teal-soft);
  transform: translateY(-2px);
}

.page-about .index-chip-num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--red-deep);
}

.page-about .index-band-aside {
  margin: 0;
  font-size: 16px;
  color: var(--ink-soft);
  transform: rotate(-1.5deg);
  transform-origin: left center;
}

/* ---------- 章节通用 ---------- */
.page-about .about-overview,
.page-about .about-network,
.page-about .about-team {
  padding: 56px 0;
}

.page-about .about-timeline-sec,
.page-about .about-standards,
.page-about .about-ecosystem {
  padding: 56px 0;
}

.page-about .about-head {
  position: relative;
  margin: 0 0 32px;
  max-width: 46em;
}

.page-about .about-watermark {
  position: absolute;
  left: -8px;
  top: -40px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(72px, 18vw, 132px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--red);
  opacity: 0.1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-about .about-title {
  position: relative;
  z-index: 1;
  margin: 6px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 6.4vw, 36px);
  line-height: 1.22;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.page-about .about-lead {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-about .about-inline-link {
  margin: 28px 0 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .about-inline-link a {
  color: var(--red-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 4px 2px;
}

.page-about .about-inline-link a:hover,
.page-about .about-inline-link a:focus-visible {
  color: var(--teal);
}

/* ---------- 概览卡 ---------- */
.page-about .about-overview-grid {
  display: grid;
  gap: 18px;
}

.page-about .about-overview-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--cream);
  padding: 22px 20px 24px;
  box-shadow: var(--shadow-soft);
}

.page-about .about-card-num {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.page-about .about-overview-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-overview-card p {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .about-overview-note {
  margin-top: 24px;
}

.page-about .about-overview-note p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 18px;
  bottom: 24px;
  width: 1px;
  background: var(--line);
}

.page-about .about-tl-item {
  position: relative;
  padding: 0 0 30px 56px;
}

.page-about .about-tl-item:last-child {
  padding-bottom: 0;
}

.page-about .about-tl-dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--pill);
  background: var(--red);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-about .about-tl-item:nth-child(even) .about-tl-dot {
  background: var(--teal);
}

.page-about .about-tl-body {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--cream);
  padding: 16px 18px 18px;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-about .about-tl-item:hover .about-tl-body,
.page-about .about-tl-item:focus-within .about-tl-body {
  border-color: var(--teal);
  transform: translateY(-2px);
}

.page-about .about-tl-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.34;
  color: var(--ink);
}

.page-about .about-tl-text {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .about-tl-meta {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* ---------- 服务网络 ---------- */
.page-about .about-network-grid {
  display: grid;
  gap: 26px;
}

.page-about .about-network-map {
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--cream);
  padding: 16px;
}

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

.page-about .about-map-line {
  fill: none;
  stroke: var(--teal);
  stroke-width: 1.4;
  stroke-dasharray: 6 8;
  opacity: 0.5;
}

.page-about .about-map-dot circle {
  fill: var(--red-soft);
  stroke: var(--red);
  stroke-width: 2;
  transition: fill 200ms var(--ease), r 200ms var(--ease);
}

.page-about .about-map-dot text {
  fill: var(--ink);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 900;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
}

.page-about .about-map-dot:hover circle,
.page-about .about-map-dot:focus-visible circle {
  fill: var(--gold-soft);
  stroke: var(--gold);
}

.page-about .about-map-dot:focus-visible {
  outline: none;
}

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

.page-about .about-region-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--cream);
  min-height: 48px;
  flex-wrap: wrap;
}

.page-about .about-region-name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  color: var(--ink);
}

.page-about .about-region-note {
  font-size: 15px;
  color: var(--ink-soft);
}

.page-about .about-network-stats {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.page-about .about-network-stat {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-about .about-network-stat strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 8vw, 40px);
  line-height: 1.05;
  color: var(--teal);
  letter-spacing: 0.02em;
}

.page-about .about-network-stat span {
  display: block;
  margin-top: 2px;
  font-size: 16px;
  color: var(--ink-soft);
}

.page-about .about-network-hand {
  margin: 0;
  font-size: 17px;
  color: var(--ink-soft);
  transform: rotate(-1.6deg);
  transform-origin: left center;
}

/* ---------- 斜切过渡带 ---------- */
.page-about .about-slant {
  height: 52px;
  margin: -20px 0 -6px;
  background: var(--teal-soft);
  transform: skewY(-1.5deg);
  opacity: 0.55;
  pointer-events: none;
}

/* ---------- 品质服务标准 ---------- */
.page-about .about-standard-groups {
  display: grid;
  gap: 18px;
}

.page-about .about-standard-group {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  padding: 20px 18px 22px;
}

.page-about .about-standard-group h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-about .about-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-tags .tag {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--pill);
  border: 1.5px solid var(--red-soft);
  background: var(--red-soft);
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}

.page-about .about-tags .tag--teal {
  border-color: var(--teal);
  background: var(--cream);
  color: var(--teal);
}

.page-about .about-tags .tag--gold {
  border-color: var(--gold);
  background: var(--gold-soft);
  color: var(--ink);
}

/* ---------- 团队 ---------- */
.page-about .about-team-grid {
  display: grid;
  gap: 26px;
  margin-bottom: 40px;
}

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

.page-about .about-role {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--cream);
  padding: 16px 18px;
  min-height: 48px;
}

.page-about .about-role-mark {
  width: 14px;
  height: 14px;
  margin-top: 6px;
  border-radius: var(--pill);
  background: var(--gold);
  border: 2px solid var(--red-deep);
}

.page-about .about-role h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  color: var(--ink);
}

.page-about .about-role p {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .about-team-figure {
  margin: 0;
}

.page-about .about-team-figure .media-caption,
.page-about .about-train-figure .media-caption {
  display: block;
  margin: 10px 2px 0;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ---------- 培训 ---------- */
.page-about .about-train-grid {
  display: grid;
  gap: 26px;
  border-top: 1px solid var(--line);
  padding-top: 34px;
}

.page-about .about-train-figure {
  margin: 0;
}

.page-about .about-train-copy .about-kicker {
  margin-bottom: 8px;
}

.page-about .about-sub-title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(21px, 5.4vw, 27px);
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-train-copy p {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-about .about-train-figures {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.page-about .about-train-stat {
  flex: 1 1 120px;
  border-top: 2px solid var(--gold);
  padding-top: 10px;
}

.page-about .about-train-stat strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 7.4vw, 36px);
  line-height: 1.05;
  color: var(--red-deep);
}

.page-about .about-train-stat span {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ---------- 生态与认可 ---------- */
.page-about .about-eco-grid {
  display: grid;
  gap: 18px;
  margin-bottom: 30px;
}

.page-about .about-eco-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  padding: 22px 20px;
}

.page-about .about-eco-num {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.14em;
  color: var(--gold);
  -webkit-text-stroke: 0.4px var(--ink);
}

.page-about .about-eco-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  color: var(--ink);
}

.page-about .about-eco-card p {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .about-honor {
  display: grid;
  gap: 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--gold-soft);
  padding: 22px 20px;
  margin-bottom: 28px;
}

.page-about .about-honor-num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(64px, 18vw, 96px);
  line-height: 1;
  color: var(--red-deep);
  letter-spacing: 0.02em;
}

.page-about .about-honor-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.34;
  color: var(--ink);
}

.page-about .about-honor-body p {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-eco-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-eco-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: var(--pill);
  border: 2px solid var(--teal);
  background: var(--cream);
  color: var(--teal);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: background 200ms var(--ease), color 200ms var(--ease), transform 200ms var(--ease);
}

.page-about .about-eco-link:hover,
.page-about .about-eco-link:focus-visible {
  background: var(--teal);
  color: var(--cream);
  transform: translateY(-2px);
}

/* ---------- 收尾 ---------- */
.page-about .about-close {
  padding: 8px 0 64px;
}

.page-about .about-status-panel {
  margin-bottom: 22px;
}

.page-about .about-status-panel .status-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-about .about-status-panel .btn {
  min-height: 52px;
  padding: 14px 24px;
  font-size: 20px;
  font-weight: 700;
}

.page-about .about-reminder {
  margin: 0;
  font-size: 20px;
  color: var(--ink-soft);
  transform: rotate(-1.5deg);
  transform-origin: left center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 28px 0 72px;
  }

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

  .page-about .about-overview-card:nth-child(2) {
    transform: translateY(22px);
  }

  .page-about .about-standard-groups {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-about .about-team-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-train-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }

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

  .page-about .about-honor {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 26px;
  }

  .page-about .about-network-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}

@media (min-width: 980px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 48px;
  }

  .page-about .about-network-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 32px;
  }

  .page-about .about-watermark {
    left: -18px;
    top: -52px;
  }

  .page-about .about-timeline {
    max-width: 780px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-chip-link,
  .page-about .about-tl-body,
  .page-about .about-eco-link,
  .page-about .about-map-dot circle {
    transition: none;
  }

  .page-about .about-chip-link:hover,
  .page-about .about-chip-link:focus-visible,
  .page-about .about-eco-link:hover,
  .page-about .about-eco-link:focus-visible,
  .page-about .about-tl-item:hover .about-tl-body,
  .page-about .about-tl-item:focus-within .about-tl-body {
    transform: none;
  }
}
<<<END>>>