.page-about {
  background: var(--ink-900);
  color: var(--text);
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding: 22px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 680px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(560px 300px at 74% 24%, rgba(47, 227, 198, 0.16), transparent 68%),
    radial-gradient(460px 260px at 12% 6%, rgba(242, 179, 61, 0.10), transparent 70%);
}

.page-about .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-about .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-about .breadcrumb span[aria-current] {
  color: var(--cyan-soft);
}

.page-about .hero-grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-about .hero-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 6.4vw, 66px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-about .hero-title em {
  font-style: normal;
  color: var(--cyan-soft);
}

.page-about .hero-lead {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.88;
  color: var(--muted);
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .hero-media img,
.page-about .crew-intro__media img,
.page-about .status-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04) brightness(0.92);
}

.page-about .hero-media {
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-800);
}

.page-about .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 34px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.page-about .hero-fact {
  background: var(--ink-800);
  padding: 16px 18px;
}

.page-about .hero-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-about .hero-fact dd {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.page-about .hero-fact__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  margin-right: 4px;
}

.page-about .sec {
  position: relative;
  padding: 52px 0;
  border-bottom: 1px solid rgba(28, 74, 60, 0.65);
}

.page-about .sec--close {
  border-bottom: 0;
}

.page-about .section-head {
  max-width: 46em;
}

.page-about .section-head__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 时间轴 ---------- */

.page-about .era-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 34px;
}

.page-about .era-jump a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 13px;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .era-jump a:hover,
.page-about .era-jump a:focus-visible {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 32px;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(47, 227, 198, 0.35) 26%, var(--line) 62%, var(--line) 100%);
}

.page-about .timeline::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 12px;
  pointer-events: none;
  background-image: repeating-linear-gradient(180deg, rgba(157, 184, 176, 0.42) 0 1px, transparent 1px 24px);
}

.page-about .era {
  position: relative;
  display: grid;
  gap: 12px;
  padding-bottom: 34px;
}

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

.page-about .era::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 8px;
  width: 11px;
  height: 11px;
  margin-left: 4px;
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--ink-900), 0 0 12px rgba(242, 179, 61, 0.55);
  transform: rotate(45deg);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .era:target::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--ink-900), 0 0 16px rgba(47, 227, 198, 0.7);
}

.page-about .era__year {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-mono);
}

.page-about .era__ver {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(47, 227, 198, 0.45);
  border-radius: 2px;
  padding: 2px 6px;
  white-space: nowrap;
}

.page-about .era__yr {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-about .era__body {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid rgba(47, 227, 198, 0.32);
  border-radius: 3px;
  padding: 18px 18px 20px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .era__body:hover,
.page-about .era__body:focus-within {
  border-color: rgba(47, 227, 198, 0.55);
  border-left-color: var(--cyan);
  background: var(--ink-700);
  transform: translateX(3px);
}

.page-about .era__body h3 {
  margin: 0 0 9px;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .era__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.86;
  color: var(--muted);
}

/* ---------- 编辑室 ---------- */

.page-about .crew-intro {
  display: grid;
  gap: 24px;
  margin: 28px 0 32px;
}

.page-about .crew-intro__text p {
  margin: 0 0 1.3em;
  font-size: 16px;
  line-height: 1.88;
  color: var(--muted);
}

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

.page-about .dropcap::first-letter {
  float: left;
  font-size: 3.2em;
  line-height: 0.84;
  font-weight: 900;
  padding: 6px 10px 0 0;
  color: var(--cyan-soft);
}

.page-about .crew-intro__media {
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-800);
}

.page-about .crew-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .crew {
  position: relative;
  display: block;
  padding: 16px 14px 18px;
  background: linear-gradient(180deg, rgba(18, 48, 40, 0.92), rgba(11, 31, 25, 0.96));
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .crew:nth-child(even) {
  transform: translateY(8px);
}

.page-about .crew:hover,
.page-about .crew:focus-within {
  transform: translateY(-4px);
  border-color: rgba(47, 227, 198, 0.6);
  box-shadow: 0 10px 26px rgba(6, 17, 14, 0.6);
}

.page-about .crew--shift {
  border-color: rgba(47, 227, 198, 0.42);
  background: linear-gradient(180deg, rgba(28, 74, 60, 0.55), rgba(11, 31, 25, 0.96));
}

.page-about .crew__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-about .crew__num small {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-left: 3px;
}

.page-about .crew__role {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.page-about .crew__desc {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--muted);
  opacity: 0.92;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .crew:hover .crew__desc {
  opacity: 1;
  color: var(--text);
}

/* ---------- 伤停角标 ---------- */

.page-about .status-layout {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-about .status-media {
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-about .pill {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 16px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .pill:hover,
.page-about .pill:focus-within {
  border-color: rgba(47, 227, 198, 0.55);
  background: var(--ink-700);
}

.page-about .pill__tag {
  --pc: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pc);
  border: 1px solid var(--pc);
  border-radius: 999px;
  padding: 5px 12px;
  white-space: nowrap;
}

.page-about .pill__tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pc);
}

.page-about .pill[data-state="out"] .pill__tag {
  --pc: var(--alert);
}

.page-about .pill[data-state="doubt"] .pill__tag {
  --pc: var(--amber);
}

.page-about .pill[data-state="pending"] .pill__tag {
  --pc: var(--cyan-soft);
}

.page-about .pill[data-state="fit"] .pill__tag {
  --pc: var(--cyan);
}

.page-about .pill__body {
  display: block;
}

.page-about .pill__body strong {
  display: block;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 6px;
}

.page-about .pill__body span {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 三条主线 ---------- */

.page-about .lanes {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-about .lane {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: 3px;
}

.page-about .lane:nth-child(2) {
  border-top-color: var(--amber);
}

.page-about .lane:nth-child(3) {
  border-top-color: var(--cyan-soft);
}

.page-about .lane__inner {
  padding: 22px 20px 24px;
}

.page-about .lane__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-about .lane h3 {
  margin: 10px 0 10px;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .lane p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .lanes-note {
  margin: 28px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .lanes-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 198, 0.45);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .lanes-note a:hover,
.page-about .lanes-note a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 本地化 ---------- */

.page-about .region {
  display: grid;
  gap: 26px;
}

.page-about .region__copy p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--muted);
}

.page-about .region__copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 198, 0.45);
  transition: color var(--dur) var(--ease), border-bottom-color var(--dur) var(--ease);
}

.page-about .region__copy a:hover,
.page-about .region__copy a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-about .region__stats {
  display: grid;
  gap: 10px;
}

.page-about .region__stats .stat {
  padding: 18px 20px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid rgba(242, 179, 61, 0.6);
  border-radius: 3px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .region__stats .stat:hover {
  background: var(--ink-700);
  border-left-color: var(--amber);
}

.page-about .region__stats .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-about .region__stats .stat__value small {
  font-size: 13px;
  font-weight: 400;
  margin-left: 3px;
  color: var(--muted);
}

.page-about .region__stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */

.page-about .close-card {
  padding: 28px 22px 30px;
  background:
    radial-gradient(420px 200px at 88% 0%, rgba(47, 227, 198, 0.14), transparent 70%),
    var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.page-about .close-card h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-about .close-card p {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-about .pill {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    padding: 18px 20px;
  }

  .page-about .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-about .about-hero {
    padding: 30px 0 58px;
  }

  .page-about .sec {
    padding: 76px 0;
  }

  .page-about .timeline {
    padding-left: 40px;
  }

  .page-about .era {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
    padding-bottom: 42px;
  }

  .page-about .era__year {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 2px;
  }

  .page-about .era__yr {
    font-size: 32px;
  }

  .page-about .era::before {
    left: -40px;
  }

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

  .page-about .crew-grid {
    grid-template-columns: 1.35fr 1.1fr 1fr 0.85fr 0.9fr 1.2fr;
    gap: 10px;
  }

  .page-about .crew {
    padding: 20px 14px 22px;
  }

  .page-about .crew:nth-child(even) {
    transform: translateY(14px);
  }

  .page-about .lanes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }

  .page-about .lane:nth-child(2) {
    transform: translateY(-20px);
  }

  .page-about .lane:nth-child(3) {
    transform: translateY(16px);
  }

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

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.85fr);
    gap: 46px;
    align-items: end;
  }

  .page-about .hero-lead {
    font-size: 17px;
  }

  .page-about .crew-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 44px;
    align-items: center;
    margin: 34px 0 46px;
  }

  .page-about .status-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 46px;
    align-items: start;
  }

  .page-about .region {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 46px;
    align-items: start;
  }

  .page-about .region__stats {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .page-about .close-card {
    padding: 42px 44px 46px;
  }
}

@media (min-width: 1120px) {
  .page-about .timeline {
    padding-left: 52px;
  }

  .page-about .era {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 34px;
  }

  .page-about .era::before {
    left: -52px;
  }

  .page-about .era__yr {
    font-size: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew,
  .page-about .era__body,
  .page-about .lane,
  .page-about .pill {
    transition: none;
  }

  .page-about .crew:nth-child(even),
  .page-about .lane:nth-child(2),
  .page-about .lane:nth-child(3) {
    transform: none;
  }
}
<<<END>>>