.page-about {
  --about-pad: clamp(2.25rem, 6vw, 4.25rem);
  --about-rule: 1px solid rgba(139, 163, 152, 0.24);
  background: var(--night);
  color: var(--on-dark);
  overflow-x: hidden;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-display);
  font-weight: 900;
}

.page-about a:focus-visible,
.page-about button:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 1.5rem) 0 var(--about-pad);
  background: var(--night);
  border-bottom: 3px solid var(--mid);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(139, 163, 152, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(139, 163, 152, 0.1) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 72%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 72%);
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
}

.page-about .about-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--on-dark-dim);
}

.page-about .about-crumbs a {
  color: var(--on-dark-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

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

.page-about .hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: 1.25rem;
}

.page-about .hero-copy h1 {
  font-size: clamp(2.1rem, 6vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0.55rem 0 1rem;
  color: var(--mist);
  text-wrap: balance;
}

.page-about .hero-copy h1 .hl {
  color: var(--turf);
  box-shadow: inset 0 -0.12em 0 rgba(184, 255, 61, 0.28);
}

.page-about .hero-copy .lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.78;
  color: rgba(242, 234, 216, 0.84);
}

.page-about .hero-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: rgba(139, 163, 152, 0.35);
  border: 2px solid var(--line);
}

.page-about .board-cell {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.9rem 1rem 1rem;
  background: var(--mid);
}

.page-about .board-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1;
  color: var(--turf);
  letter-spacing: -0.02em;
}

.page-about .board-label {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--on-dark-dim);
}

.page-about .about-hero-fig {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  border: 3px solid var(--mid);
  overflow: hidden;
}

.page-about .about-hero-fig img {
  display: block;
  width: 100%;
  height: clamp(180px, 34vw, 420px);
  object-fit: cover;
}

.page-about .media-caption {
  margin: 0;
  padding: 0.6rem 0.75rem;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--on-dark-dim);
  background: var(--mid);
}

/* ---------- 主体两栏 ---------- */
.page-about .about-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-top: var(--about-pad);
  padding-bottom: var(--about-pad);
}

.page-about .about-index {
  border-top: 2px solid var(--mid);
  padding-top: 1rem;
}

.page-about .index-title {
  margin: 0 0 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--turf);
}

.page-about .about-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-about .about-index a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.45rem 0.1rem;
  font-size: 0.88rem;
  color: var(--on-dark-dim);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 163, 152, 0.2);
}

.page-about .about-index a .mono {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--line);
}

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

.page-about .index-note {
  display: none;
}

.page-about .about-flow {
  min-width: 0;
}

/* ---------- 通用章节 ---------- */
.page-about .about-sec {
  padding-bottom: clamp(2.25rem, 5.5vw, 3.5rem);
}

.page-about .about-sec + .about-sec {
  border-top: var(--about-rule);
  padding-top: clamp(2rem, 5vw, 3rem);
}

.page-about .sec-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--turf);
}

.page-about .sec-kicker .mono {
  font-family: var(--font-mono);
  color: var(--line);
}

.page-about .about-sec h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--mist);
  max-width: 20em;
  text-wrap: balance;
}

.page-about .sec-lead {
  margin: 0 0 clamp(1.25rem, 3vw, 2rem);
  max-width: 60ch;
  font-size: 0.98rem;
  line-height: 1.78;
  color: rgba(242, 234, 216, 0.78);
}

/* ---------- 01 服务范围 ---------- */
.page-about .pos-grid {
  display: grid;
  gap: 1px;
  background: rgba(139, 163, 152, 0.28);
  border-top: 1px solid rgba(139, 163, 152, 0.28);
  border-bottom: 1px solid rgba(139, 163, 152, 0.28);
}

.page-about .pos-item {
  background: var(--night);
  padding: 1.25rem 1.1rem 1.4rem;
}

.page-about .pos-num {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.15rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--night);
  background: var(--turf);
}

.page-about .pos-item h3 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  line-height: 1.35;
  color: var(--mist);
}

.page-about .pos-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(242, 234, 216, 0.74);
}

.page-about .pos-note {
  margin: 1.1rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--yellow);
  background: rgba(255, 212, 71, 0.08);
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--paper);
}

/* ---------- 02 版本演进 ---------- */
.page-about .ver-head {
  display: grid;
  gap: 1rem;
}

.page-about .ver-side {
  display: none;
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--line);
}

.page-about .ver-line {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .ver-item {
  position: relative;
  display: grid;
  gap: 0.9rem;
  padding: 1rem 1.1rem 1.1rem 1.15rem;
  background: var(--paper);
  color: var(--carbon);
  border: 3px solid var(--carbon);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .ver-year {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--carbon);
}

.page-about .ver-year::after {
  content: "";
  display: block;
  width: 34px;
  height: 4px;
  margin-top: 0.55rem;
  background: var(--turf);
}

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

.page-about .ver-toggle {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--carbon);
}

.page-about .ver-tag {
  flex: 0 0 auto;
  padding: 0.18rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--turf);
  background: var(--carbon);
}

.page-about .ver-title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1rem, 2.2vw, 1.28rem);
  line-height: 1.3;
}

.page-about .disclosure-icon {
  flex: 0 0 auto;
  width: 0.72rem;
  height: 0.72rem;
  border-right: 2px solid var(--carbon);
  border-bottom: 2px solid var(--carbon);
  transform: rotate(45deg);
  transition: transform var(--dur-ui) var(--ease);
}

.page-about .ver-item[data-open="true"] .disclosure-icon,
.page-about .ep-card[data-open="true"] .disclosure-icon {
  transform: rotate(-135deg);
}

.page-about .ver-item .disclosure-panel-inner {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--paper-shadow);
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(17, 19, 18, 0.82);
}

.page-about .ver-item .disclosure-panel-inner p {
  margin: 0;
}

/* ---------- 03 内容更新 ---------- */
.page-about .news-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

.page-about .news-fig {
  margin: 0;
  border: 2px solid var(--mid);
  overflow: hidden;
}

.page-about .news-fig img {
  display: block;
  width: 100%;
  height: clamp(220px, 40vw, 440px);
  object-fit: cover;
}

.page-about .news-intro {
  margin: 0 0 1rem;
  font-size: 0.96rem;
  line-height: 1.78;
  color: rgba(242, 234, 216, 0.82);
}

.page-about .news-list {
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.page-about .news-list > div {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.9rem;
  border-bottom: var(--about-rule);
}

.page-about .news-list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .news-list dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--turf);
}

.page-about .news-list dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(242, 234, 216, 0.78);
}

/* ---------- 04 湖北支持 ---------- */
.page-about .local-band {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.1rem, 3.5vw, 1.75rem);
  background: var(--mid);
  border: 2px solid rgba(184, 255, 61, 0.32);
}

.page-about .local-fig {
  margin: 0;
  border: 2px solid var(--night);
  overflow: hidden;
}

.page-about .local-fig img {
  display: block;
  width: 100%;
  height: clamp(190px, 38vw, 330px);
  object-fit: cover;
}

.page-about .local-copy p {
  margin: 0 0 1rem;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--paper);
}

.page-about .local-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-about .local-list li {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: baseline;
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(242, 234, 216, 0.82);
}

.page-about .local-list .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--turf);
}

/* ---------- 05 团队与认可 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 1.5rem;
}

.page-about .team-total {
  padding: 1rem 1.1rem 1.15rem;
  border: 3px solid var(--mid);
  background: rgba(20, 53, 42, 0.55);
}

.page-about .team-total .mono {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.8rem, 8vw, 4.2rem);
  line-height: 0.9;
  color: var(--turf);
}

.page-about .team-total span:last-child {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--on-dark-dim);
}

.page-about .team-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .team-bars li {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) 2rem;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.84rem;
  color: var(--paper);
}

.page-about .bar-label {
  letter-spacing: 0.04em;
}

.page-about .bar {
  display: block;
  height: 10px;
  background: rgba(139, 163, 152, 0.2);
  border: 1px solid rgba(139, 163, 152, 0.3);
}

.page-about .bar i {
  display: block;
  height: 100%;
  background: var(--turf);
}

.page-about .bar--33 i { width: 33.3%; }
.page-about .bar--42 i { width: 41.7%; }
.page-about .bar--25 i { width: 25%; }

.page-about .bar-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  text-align: right;
  color: var(--turf);
}

.page-about .award {
  margin-top: clamp(1.25rem, 3vw, 1.85rem);
  padding: 0.9rem 1rem 1rem;
  border-left: 4px solid var(--yellow);
  background: rgba(255, 212, 71, 0.07);
}

.page-about .award p {
  margin: 0;
}

.page-about .award-text {
  margin-top: 0.55rem !important;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 06 四端能力 ---------- */
.page-about .ep-grid {
  display: grid;
  gap: 1rem;
}

.page-about .ep-card {
  padding: 1rem 1.1rem 1.1rem;
  background: var(--paper);
  color: var(--carbon);
  border: 3px solid var(--carbon);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .ep-name {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--carbon);
}

.page-about .ep-name::before {
  content: "";
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.5rem;
  background: var(--turf);
  border: 2px solid var(--carbon);
  vertical-align: 0.05em;
}

.page-about .ep-desc {
  margin: 0 0 0.85rem;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(17, 19, 18, 0.78);
}

.page-about .ep-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  width: 100%;
  padding: 0.6rem 0 0;
  background: none;
  border: 0;
  border-top: 1px dashed var(--paper-shadow);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--carbon);
  text-align: left;
}

.page-about .ep-card .disclosure-panel-inner {
  padding-top: 0.7rem;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(17, 19, 18, 0.8);
}

.page-about .ep-card .disclosure-panel-inner p {
  margin: 0;
}

.page-about .ep-cta {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
}

/* ---------- 继续了解 ---------- */
.page-about .about-next {
  display: grid;
  gap: 1px;
  background: rgba(139, 163, 152, 0.28);
  border: 1px solid rgba(139, 163, 152, 0.28);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-about .about-next a {
  display: block;
  padding: 1rem 1.1rem;
  background: var(--night);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--paper);
  text-decoration: none;
  transition: background var(--dur-ui) var(--ease), color var(--dur-ui) var(--ease);
}

.page-about .about-next a:hover,
.page-about .about-next a:focus-visible {
  background: var(--mid);
  color: var(--turf);
}

.page-about .about-next .mono {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .news-list > div {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-about .pos-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ver-item {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
    padding: 1.25rem 1.5rem 1.4rem 1.6rem;
  }

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

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

@media (min-width: 860px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-about .news-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-about .local-band {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: stretch;
    gap: 1.75rem;
  }

  .page-about .local-fig img {
    height: 100%;
    min-height: 240px;
  }

  .page-about .team-grid {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
    gap: 2.25rem;
  }
}

@media (min-width: 900px) {
  .page-about .ver-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 1.5rem;
  }

  .page-about .ver-side {
    display: block;
    writing-mode: vertical-rl;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-about .about-index ol {
    flex-direction: column;
    gap: 0;
  }

  .page-about .about-index a {
    padding: 0.55rem 0.1rem;
  }

  .page-about .index-note {
    display: block;
    margin: 1rem 0 0;
    padding-left: 0.7rem;
    border-left: 2px solid var(--mid);
    font-size: 0.74rem;
    line-height: 1.7;
    color: var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .disclosure-icon,
  .page-about .about-next a {
    transition: none;
  }
}
<<<END>>>