.page-about{
  --about-rail:228px;
  --about-gap:clamp(24px,4.5vw,60px);
  padding-bottom:clamp(48px,8vw,96px);
}

.page-about img{
  max-width:100%;
  height:auto;
}

.page-about .breadcrumb{
  padding-top:clamp(14px,3vw,26px);
}

/* 首屏 */
.page-about .about-hero{
  display:grid;
  gap:clamp(22px,4vw,40px);
  padding-top:clamp(18px,4vw,38px);
  padding-bottom:clamp(22px,3.5vw,40px);
  border-bottom:1px solid var(--line);
}

.page-about .about-hero__title{
  max-width:20ch;
  margin:12px 0 0;
  text-wrap:balance;
}

.page-about .about-hero__lede{
  max-width:54ch;
  margin:16px 0 0;
  color:var(--text-dim);
}

.page-about .about-figures{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}

.page-about .about-figures__item{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:16px 18px;
  background:var(--ink-900);
}

.page-about .about-figures__value{
  font-family:var(--font-mono);
  font-size:clamp(1.4rem,4vw,1.9rem);
  font-weight:700;
  line-height:1;
  letter-spacing:-.01em;
  color:var(--amber);
}

.page-about .about-figures__label{
  font-size:13px;
  line-height:1.5;
  color:var(--text-dim);
}

/* 主体与侧栏目录 */
.page-about .about-body{
  display:grid;
  gap:var(--about-gap);
  padding-top:clamp(24px,4vw,48px);
}

.page-about .about-rail{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.page-about .about-rail .eyebrow{
  margin:0;
}

.page-about .about-rail__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:2px 8px;
}

.page-about .about-rail__link{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:9px 10px;
  border-radius:var(--radius-sm);
  font-size:14px;
  color:var(--text-dim);
  text-decoration:none;
  transition:background .18s var(--ease),color .18s var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible{
  background:rgba(43,245,192,.08);
  color:var(--text);
}

.page-about .about-rail__num{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-mute);
}

.page-about .about-rail__note{
  margin:0;
  padding:12px 14px;
  border-left:2px solid var(--signal);
  background:var(--glass);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:13px;
  line-height:1.7;
  color:var(--text-dim);
}

.page-about .about-rail__note a{
  color:var(--signal);
  text-decoration:none;
  border-bottom:1px solid rgba(43,245,192,.4);
}

.page-about .about-main{
  display:flex;
  flex-direction:column;
  gap:clamp(30px,5vw,64px);
  min-width:0;
}

/* 章节通用 */
.page-about .about-sec{
  scroll-margin-top:96px;
  min-width:0;
}

.page-about .about-sec__index{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--signal);
}

.page-about .about-sec h2{
  margin:0 0 14px;
  text-wrap:balance;
}

.page-about .about-sec__text{
  max-width:62ch;
  margin:0 0 14px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-dim);
}

.page-about .about-sec__text:last-child{
  margin-bottom:0;
}

.page-about .about-sec__text a{
  color:var(--signal-soft);
  text-decoration:none;
  border-bottom:1px solid rgba(111,255,224,.35);
}

/* 小数据块 */
.page-about .about-mini{
  display:grid;
  gap:12px;
  margin-top:clamp(16px,3vw,24px);
}

.page-about .about-mini__item{
  display:flex;
  align-items:baseline;
  gap:14px;
  padding:16px 18px;
  background:var(--ink-900);
  border:1px solid var(--line);
  border-radius:var(--radius);
}

.page-about .about-mini__num{
  font-family:var(--font-mono);
  font-size:2rem;
  font-weight:700;
  line-height:1;
  color:var(--amber);
}

.page-about .about-mini__text{
  font-size:14px;
  line-height:1.65;
  color:var(--text-dim);
}

/* 三轴 */
.page-about .about-banner{
  margin:0 0 clamp(18px,3vw,26px);
}

.page-about .about-axes{
  display:grid;
  gap:14px;
  margin-top:clamp(16px,3vw,24px);
}

.page-about .about-axis{
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:18px;
  background:var(--ink-900);
  border:1px solid var(--line);
  border-radius:var(--radius);
}

.page-about .about-axis::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:2px;
  background:linear-gradient(90deg,var(--signal),transparent);
}

.page-about .about-axis--data::before{
  background:linear-gradient(90deg,var(--amber),transparent);
}

.page-about .about-axis--nav::before{
  background:linear-gradient(90deg,var(--violet),transparent);
}

.page-about .about-axis__key{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--text-mute);
}

.page-about .about-axis__title{
  margin:0;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}

.page-about .about-axis__text{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--text-dim);
}

.page-about .about-map{
  display:block;
  box-sizing:border-box;
  width:100%;
  height:auto;
  margin-top:clamp(16px,3vw,24px);
  padding:10px;
  background:linear-gradient(150deg,rgba(14,22,51,.92),rgba(7,11,31,.92));
  border:1px solid var(--line);
  border-radius:var(--radius);
}

.page-about .about-map text{
  font-family:var(--font-mono);
  font-size:18px;
  fill:var(--text-dim);
}

.page-about .about-map__box{
  fill:var(--ink-800);
  stroke:var(--line);
  stroke-width:1;
}

.page-about .about-map__box--end{
  fill:rgba(43,245,192,.10);
  stroke:var(--glass-edge);
}

.page-about .about-map__line{
  fill:none;
  stroke:var(--signal);
  stroke-width:1.4;
  stroke-dasharray:5 6;
  opacity:.75;
}

.page-about .about-map__node{
  fill:var(--amber);
}

.page-about .about-map .about-map__label--strong{
  fill:var(--text);
}

/* 团队 */
.page-about .about-team{
  display:grid;
  gap:18px;
  margin-top:clamp(16px,3vw,24px);
}

.page-about .about-roles{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:12px;
  margin-bottom:18px;
}

.page-about .about-role{
  padding:6px 0 6px 12px;
  border-left:2px solid var(--signal);
}

.page-about .about-role__name{
  margin:0 0 4px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
}

.page-about .about-role__text{
  margin:0;
  font-size:13px;
  line-height:1.7;
  color:var(--text-dim);
}

.page-about .about-team__media{
  margin:0 0 12px;
}

.page-about .about-shift{
  padding:14px 16px;
  background:var(--glass);
  border:1px solid var(--glass-edge);
  border-radius:var(--radius);
}

.page-about .about-shift__row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:8px 0;
  border-bottom:1px dashed var(--line);
  font-size:13px;
}

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

.page-about .about-shift__row:first-child{
  padding-top:0;
}

.page-about .about-shift__key{
  color:var(--text-mute);
}

.page-about .about-shift__val{
  font-family:var(--font-mono);
  color:var(--text);
  text-align:right;
}

/* 版本时间线 */
.page-about .about-version-wrap{
  display:grid;
  gap:20px;
  margin-top:clamp(16px,3vw,24px);
}

.page-about .about-timeline{
  list-style:none;
  margin:0;
  padding:0;
}

.page-about .about-tl__item{
  position:relative;
  margin-left:6px;
  padding:0 0 26px 26px;
  border-left:1px solid var(--line);
}

.page-about .about-tl__item:last-child{
  padding-bottom:0;
  border-left-color:transparent;
}

.page-about .about-tl__item::before{
  content:"";
  position:absolute;
  left:-6px;
  top:6px;
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--ink-950);
  border:2px solid var(--amber);
}

.page-about .about-tl__item--now::before{
  background:var(--signal);
  border-color:var(--signal);
  box-shadow:0 0 0 4px rgba(43,245,192,.16);
}

.page-about .about-tl__stage{
  margin:0 0 6px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--amber);
}

.page-about .about-tl__ver{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(1.9rem,6vw,2.6rem);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--text);
}

.page-about .about-tl__ver--now{
  color:var(--signal);
}

.page-about .about-tl__title{
  margin:10px 0 6px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}

.page-about .about-tl__text{
  max-width:56ch;
  margin:0;
  font-size:14px;
  line-height:1.8;
  color:var(--text-dim);
}

.page-about .about-version__media{
  margin:0;
}

/* 栏目调整 */
.page-about .about-migrate{
  margin-top:clamp(16px,3vw,24px);
  padding:clamp(16px,3vw,24px);
  background:var(--ink-900);
  border:1px solid var(--line);
  border-radius:var(--radius);
  position:relative;
  overflow:hidden;
}

.page-about .about-migrate::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:140px;
  height:140px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(123,92,255,.22),transparent 70%);
  pointer-events:none;
}

.page-about .about-deal-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:10px;
}

.page-about .about-deal{
  padding:12px 14px;
  background:rgba(43,245,192,.06);
  border:1px solid var(--glass-edge);
  border-radius:var(--radius-sm);
}

.page-about .about-deal__num{
  display:block;
  font-family:var(--font-mono);
  font-size:20px;
  font-weight:700;
  color:var(--signal);
}

.page-about .about-deal__label{
  display:block;
  margin-top:6px;
  font-size:13px;
  line-height:1.6;
  color:var(--text-dim);
}

/* 校对 */
.page-about .about-quality__list{
  list-style:none;
  counter-reset:qc;
  margin:clamp(16px,3vw,24px) 0 0;
  padding:0;
  display:grid;
  gap:12px;
}

.page-about .about-quality__list li{
  counter-increment:qc;
  display:grid;
  grid-template-columns:26px minmax(0,1fr);
  gap:10px;
  padding:12px 14px;
  background:var(--ink-900);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  font-size:14px;
  line-height:1.75;
  color:var(--text-dim);
}

.page-about .about-quality__list li::before{
  content:counter(qc,decimal-leading-zero);
  font-family:var(--font-mono);
  font-size:12px;
  line-height:2;
  color:var(--amber);
}

/* 合作 */
.page-about .about-partners{
  display:grid;
  gap:12px;
  margin-top:clamp(16px,3vw,24px);
}

.page-about .about-partner{
  padding:18px;
  background:linear-gradient(170deg,rgba(123,92,255,.12),rgba(14,22,51,1) 60%);
  border:1px solid var(--line);
  border-radius:var(--radius);
}

.page-about .about-partner__title{
  margin:0 0 8px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}

.page-about .about-partner__text{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--text-dim);
}

.page-about .about-cta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:clamp(18px,3vw,26px);
}

.page-about .about-cta__note{
  flex:1 1 260px;
  font-size:13px;
  line-height:1.7;
  color:var(--text-mute);
}

/* 平板与桌面 */
@media (min-width:760px){
  .page-about .about-axes{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }

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

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

@media (min-width:900px){
  .page-about .about-body{
    grid-template-columns:var(--about-rail) minmax(0,1fr);
    align-items:start;
  }

  .page-about .about-rail{
    position:sticky;
    top:96px;
    align-self:start;
  }

  .page-about .about-rail__list{
    grid-template-columns:1fr;
    gap:1px;
    border-left:1px solid var(--line);
    padding-left:0;
  }

  .page-about .about-rail__link{
    padding:9px 10px 9px 12px;
    border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  }

  .page-about .about-hero{
    grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
    align-items:end;
  }

  .page-about .about-team{
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    align-items:start;
  }

  .page-about .about-version-wrap{
    grid-template-columns:minmax(0,1fr) 250px;
    align-items:start;
  }
}
<<<END>>>