.page-about {
  --about-edge: rgba(140, 151, 147, 0.28);
  --about-edge-soft: rgba(140, 151, 147, 0.14);
  background: var(--ink);
  color: var(--text-dim);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-about .about-crumb {
  padding-top: 20px;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--metal);
}
.page-about .breadcrumb a {
  color: var(--metal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime-line);
}
.page-about .breadcrumb [aria-current="page"] {
  color: var(--lime);
}

/* ===== 首屏 ===== */
.page-about .about-hero-grid {
  display: grid;
  gap: 32px;
  padding: 28px 0 56px;
}
.page-about .about-hero-copy {
  position: relative;
  min-width: 0;
}
.page-about .about-hero .overline-note {
  color: var(--lime);
  margin: 0;
}
.page-about .about-hero h1 {
  margin: 16px 0 0;
  font-size: clamp(31px, 6.2vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--white);
}
.page-about .about-hero h1 em {
  font-style: normal;
  color: var(--lime);
  padding-bottom: 2px;
  border-bottom: 4px solid var(--signal);
}
.page-about .about-lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.62;
  color: var(--text-dim);
}
.page-about .about-stats {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-edge);
  border: 1px solid var(--about-edge);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.page-about .about-stats li {
  background: var(--ink-2);
  padding: 14px 16px;
}
.page-about .about-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--lime);
}
.page-about .about-stat-label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--metal);
}
.page-about .about-hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero-figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-edge);
  background: var(--ink-2);
}
.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.page-about .about-hero-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 18px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  background: linear-gradient(180deg, rgba(7, 33, 27, 0) 0%, rgba(7, 33, 27, 0.92) 72%);
}

/* ===== 通用章节 ===== */
.page-about .about-section {
  padding: 52px 0;
  border-top: 1px solid var(--about-edge-soft);
}
.page-about .about-section-head {
  max-width: 62ch;
}
.page-about .section-mark {
  color: var(--lime);
  margin: 0 0 14px;
}
.page-about .about-section-head h2,
.page-about .about-check-copy h2,
.page-about .about-community-copy h2 {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--white);
}
.page-about .about-section-lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-dim);
  max-width: 52ch;
}

/* ===== 时间轴 ===== */
.page-about .journey-list {
  position: relative;
  list-style: none;
  margin: 34px 0 0;
  padding: 0 0 0 26px;
}
.page-about .journey-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime) 0%, rgba(79, 111, 102, 0.4) 58%, rgba(79, 111, 102, 0) 100%);
}
.page-about .journey-item {
  position: relative;
  padding-bottom: 20px;
}
.page-about .journey-item:last-child {
  padding-bottom: 0;
}
.page-about .journey-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 16px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lime);
}
.page-about .journey-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--lime);
  text-decoration: none;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
}
.page-about .journey-year:hover,
.page-about .journey-year:focus-visible {
  border-bottom-color: var(--lime-line);
}
.page-about .journey-card {
  margin-top: 10px;
  padding: 20px 20px 22px;
  border-radius: var(--radius-md);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.page-about .journey-card h3 {
  margin: 12px 0 0;
  font-size: 19px;
  line-height: 1.3;
  font-weight: 700;
}
.page-about .journey-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.62;
}
.page-about .journey-item:target .journey-card {
  box-shadow: 0 0 0 2px var(--lime);
  transform: translateY(-2px);
}

/* ===== 团队四条线 ===== */
.page-about .team-grid {
  margin-top: 32px;
  display: grid;
  gap: 16px;
}
.page-about .team-folder {
  position: relative;
  overflow: hidden;
  padding: 22px 20px 24px;
  background: var(--ink-2);
  border: 1px solid var(--about-edge);
  border-left: 3px solid var(--mist);
  border-radius: var(--radius-md);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}
.page-about .team-folder::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background-image: repeating-linear-gradient(118deg, rgba(200, 255, 61, 0.13) 0 1px, transparent 1px 15px);
  transition: opacity 0.4s var(--ease);
}
.page-about .team-folder:hover,
.page-about .team-folder:focus-within {
  transform: translateY(-4px);
  border-color: var(--lime-line);
  border-left-color: var(--lime);
}
.page-about .team-folder:hover::after,
.page-about .team-folder:focus-within::after {
  opacity: 1;
}
.page-about .team-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ruby);
}
.page-about .team-folder h3 {
  margin: 10px 0 0;
  font-size: 21px;
  font-weight: 700;
  color: var(--white);
}
.page-about .team-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}
.page-about .team-duties {
  margin: 14px 0 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px dashed var(--about-edge);
}
.page-about .team-duties li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-soft);
}
.page-about .team-duties li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
}

/* ===== 复核流程 ===== */
.page-about .about-check-grid {
  display: grid;
  gap: 30px;
}
.page-about .about-check-copy {
  min-width: 0;
}
.page-about .check-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-about .check-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}
.page-about .check-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--lime-line);
  background: var(--lime-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--lime);
}
.page-about .check-steps strong {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  color: var(--white);
}
.page-about .about-check-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-edge);
  background: var(--ink-2);
}
.page-about .about-check-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-about .about-check-figure figcaption,
.page-about .about-community-figure figcaption {
  padding: 12px 16px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--metal);
  background: var(--ink-3);
}

/* ===== 横向荣誉带 ===== */
.page-about .about-band-wrap {
  padding: 8px 0 12px;
}
.page-about .about-band {
  background: var(--paper);
  color: var(--espresso);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.28);
}
.page-about .band-grid {
  display: grid;
  gap: 20px;
}
.page-about .band-item {
  position: relative;
  padding-left: 14px;
  border-left: 3px solid var(--ruby);
}
.page-about .band-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ruby);
}
.page-about .band-value {
  display: block;
  margin-top: 8px;
  font-size: 24px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--espresso);
}
.page-about .band-item p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.55;
  color: #4A3A31;
}

/* ===== 频道覆盖 ===== */
.page-about .coverage-grid {
  margin-top: 30px;
  display: grid;
  gap: 26px;
}
.page-about .coverage-sub {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--metal);
}
.page-about .line-pills {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-about .line-pills li {
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--lime-line);
  background: var(--lime-soft);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
}
.page-about .coverage-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--text-dim);
}
.page-about .coverage-map {
  padding: 22px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--about-edge);
  background:
    linear-gradient(0deg, var(--about-edge-soft) 1px, transparent 1px) 0 0 / 100% 26px,
    var(--ink-2);
}
.page-about .map-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-about .map-list li {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}
.page-about .map-key {
  display: block;
  margin-bottom: 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--lime);
}

/* ===== 本地社群 ===== */
.page-about .about-community-grid {
  display: grid;
  gap: 28px;
}
.page-about .about-community-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-edge);
  background: var(--ink-2);
}
.page-about .about-community-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-about .about-community-copy p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
  max-width: 52ch;
}
.page-about .partner-tags {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.page-about .partner-tags li {
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  border: 1px dashed var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--mist-soft);
}
.page-about .about-community-link {
  margin-top: 24px;
}

/* ===== 复盘与收尾 ===== */
.page-about .wrapup-grid {
  margin-top: 30px;
  display: grid;
  gap: 16px;
}
.page-about .wrapup-card {
  padding: 20px 20px 22px;
  border-radius: var(--radius-md);
}
.page-about .wrapup-card h3 {
  margin: 12px 0 0;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
}
.page-about .wrapup-card p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.62;
}
.page-about .about-cta {
  margin-top: 34px;
  padding: 26px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--lime-line);
  background: linear-gradient(135deg, rgba(200, 255, 61, 0.12) 0%, rgba(11, 47, 39, 0.9) 62%);
}
.page-about .about-cta-text {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.6;
  color: var(--white);
  font-weight: 600;
}
.page-about .about-cta-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .team-grid,
  .page-about .wrapup-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .band-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-about .about-section {
    padding: 64px 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: end;
    gap: 46px;
    padding: 40px 0 76px;
  }
  .page-about .about-hero-figure img {
    aspect-ratio: 4 / 3;
  }
  .page-about .journey-list {
    padding-left: 0;
  }
  .page-about .journey-list::before {
    left: 121px;
  }
  .page-about .journey-item {
    display: grid;
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 0 48px;
    padding-bottom: 34px;
  }
  .page-about .journey-item::before {
    left: 115px;
    top: 18px;
  }
  .page-about .journey-year {
    justify-self: end;
    align-self: start;
    margin-top: 12px;
  }
  .page-about .journey-card {
    margin-top: 0;
  }
  .page-about .journey-item:nth-child(even) .journey-card {
    margin-right: 0;
    margin-left: 28px;
  }
  .page-about .journey-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.3);
  }
  .page-about .about-check-grid,
  .page-about .about-community-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 44px;
  }
  .page-about .about-community-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  }
  .page-about .coverage-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }
  .page-about .about-band {
    padding: 34px 30px;
  }
}

@media (min-width: 1080px) {
  .page-about .team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
  .page-about .team-folder:nth-child(even) {
    transform: translateY(22px);
  }
  .page-about .team-grid {
    padding-bottom: 22px;
  }
  .page-about .wrapup-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-cta {
    padding: 34px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }
  .page-about .about-cta-actions {
    margin-top: 0;
    flex: 0 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-folder,
  .page-about .journey-card,
  .page-about .team-folder::after {
    transition: none;
  }
  .page-about .team-folder:hover,
  .page-about .journey-card:hover,
  .page-about .journey-item:target .journey-card {
    transform: none;
  }
}
<<<END>>>