.page-about {
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
  color: var(--paper);
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.75rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .breadcrumb a {
  color: var(--muted);
  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 {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

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

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

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  padding: clamp(2.25rem, 5vw, 4rem) 0 0;
}

.page-about .about-hero__inner {
  display: grid;
  gap: 1.35rem;
  max-width: 64rem;
}

.page-about .about-hero__title {
  margin: 0;
  max-width: 15em;
  font-size: clamp(2.05rem, 6vw, 4.3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--amber);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 46rem;
  font-size: clamp(0.98rem, 1.4vw, 1.08rem);
  line-height: 1.9;
  color: var(--muted);
}

.page-about .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0.4rem 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background-color: var(--line);
}

.page-about .hero-stat {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  background-color: var(--ink-2);
}

.page-about .hero-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber-2);
}

.page-about .hero-stat__label {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-about .media-frame {
  max-width: 100%;
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-hero__figure {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
}

/* ---------- 区块通用 ---------- */

.page-about .about-block {
  padding: clamp(2.75rem, 7vw, 5rem) 0;
}

.page-about .about-block + .about-block {
  border-top: 1px solid var(--line-soft);
}

.page-about .block-head {
  display: grid;
  gap: 0.8rem;
  max-width: 46rem;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}

.page-about .block-title {
  margin: 0;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-about .block-lede {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 起点与控制台 ---------- */

.page-about .entry-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
}

.page-about .entry-copy p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .entry-copy p:last-child {
  margin-bottom: 0;
}

.page-about .entry-copy strong {
  color: var(--paper);
  font-weight: 600;
}

.page-about .console {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
  box-shadow: 0 22px 44px -34px rgba(0, 0, 0, 0.95);
}

.page-about .console__bar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .console__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .console__bar .version-chip {
  margin-left: auto;
}

.page-about .console__list {
  margin: 0;
  padding: 0.35rem 1.15rem 0.9rem;
}

.page-about .console__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-about .console__row:last-child {
  border-bottom: 0;
}

.page-about .console__row dt {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-about .console__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--amber-2);
  text-align: right;
}

/* ---------- 四个判断维度 ---------- */

.page-about .dim-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-about .dim-tabs a {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .dim-tabs a:hover,
.page-about .dim-tabs a:focus-visible {
  color: var(--ink);
  background-color: var(--amber);
  border-color: var(--amber);
}

.page-about .dim-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-about .dim-card {
  position: relative;
  padding: 1.5rem 1.35rem 1.3rem;
  border: 1px solid var(--line);
  background-color: var(--ink-2);
  scroll-margin-top: 6rem;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .dim-card:hover,
.page-about .dim-card:target {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: 0 22px 42px -34px rgba(232, 163, 61, 0.95);
}

.page-about .dim-card:target {
  background-color: var(--ink-3);
}

.page-about .dim-card__num {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-about .dim-card__title {
  margin: 0 0 0.6rem;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .dim-card__text {
  margin: 0 0 1.1rem;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .dim-figure {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
}

/* ---------- 时间线 ---------- */

.page-about .timeline {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line) 62%, transparent 100%);
}

.page-about .timeline__item {
  position: relative;
  padding-left: 2.25rem;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.4rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background-color: var(--ink);
  border: 2px solid var(--cyan);
  transition: background-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .timeline__item:hover::before,
.page-about .timeline__item:focus-within::before {
  background-color: var(--cyan);
  transform: scale(1.25);
}

.page-about .timeline__meta {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-about .timeline__title {
  margin: 0 0 0.45rem;
  font-size: clamp(1.02rem, 1.8vw, 1.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .timeline__text {
  margin: 0;
  max-width: 58ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 团队与合作 ---------- */

.page-about .team-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-about .team-copy p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .team-roles {
  display: grid;
  gap: 0.8rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .team-role {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  border-left: 2px solid var(--teal);
  background-color: rgba(14, 124, 123, 0.09);
}

.page-about .team-role__idx {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding-top: 0.15rem;
}

.page-about .team-role__name {
  margin: 0 0 0.25rem;
  font-size: 0.96rem;
  font-weight: 600;
}

.page-about .team-role__desc {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

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

/* ---------- 备案与属地 ---------- */

.page-about .ba-region {
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-about .region-band {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  padding: clamp(1.6rem, 4vw, 2.75rem);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--deep) 0%, var(--ink) 62%);
  overflow: hidden;
}

.page-about .region-band::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 210px;
  height: 210px;
  border: 1px solid rgba(45, 226, 230, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .region-text {
  margin: 0;
  max-width: 44rem;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .region-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about .region-facts {
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 1;
}

.page-about .region-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1rem;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .region-fact:last-child {
  border-bottom: 0;
}

.page-about .region-fact dt {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .region-fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  color: var(--paper);
  text-align: right;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-about .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-about .dim-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 880px) {
  .page-about .entry-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-about .about-hero__figure {
    margin-top: 3rem;
  }
}
<<<END>>>