.page-about{
  --about-deepblue:#0B1524;
  --about-space:#121A29;
  --about-abyss:#161C24;
  --about-paper:#F2EDE4;
  --about-paper-dim:#E8E2D6;
  --about-moss:#4C5B3D;
  --about-moss-dark:#2E3B24;
  --about-terra:#C36B49;
  --about-lime:#C8FF00;
  --about-orange:#FF6A3C;
  --about-gold:#D9B36A;
  --about-warmgray:#C4BDB3;
  --about-stone:#9C9A93;
  background:var(--about-space);
  color:var(--about-warmgray);
  overflow-x:hidden;
}

/* ====== 封面区 ====== */
.page-about__cover{
  position:relative;
  padding:24px 0 0;
  background:linear-gradient(160deg,var(--about-deepblue) 0%,var(--about-space) 62%,#1A2436 100%);
  overflow:hidden;
}
.page-about__cover::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,0.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.045) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(180deg,transparent 0%,#000 30%,#000 100%);
  pointer-events:none;
}
.page-about__cover::after{
  content:"";
  position:absolute;
  left:-6%;
  right:-6%;
  bottom:-30px;
  height:64px;
  background:linear-gradient(105deg,var(--about-orange) 0%,var(--about-orange) 42%,var(--about-lime) 42.2%,var(--about-lime) 100%);
  transform:rotate(-1.8deg);
  transform-origin:left center;
  z-index:2;
  border-radius:6px;
}
.page-about__cover-inner{
  position:relative;
  z-index:1;
}
.page-about__crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:0.06em;
  color:var(--about-stone);
  margin-bottom:40px;
}
.page-about__crumb a{
  color:var(--about-warmgray);
  text-decoration:none;
  transition:color var(--motion-fast) ease;
}
.page-about__crumb a:hover{
  color:var(--about-orange);
}
.page-about__crumb-sep{
  color:var(--about-stone);
  opacity:0.6;
}
.page-about__cover-grid{
  display:flex;
  flex-direction:column;
  gap:36px;
  position:relative;
  z-index:1;
}
.page-about__cover-main{
  max-width:720px;
}
.page-about__kicker{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.18em;
  color:var(--about-lime);
  text-transform:uppercase;
  margin:0 0 18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.page-about__kicker::before{
  content:"";
  width:28px;
  height:3px;
  background:var(--about-orange);
  border-radius:99px;
  display:inline-block;
}
.page-about__masthead{
  margin:0 0 20px;
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-0.015em;
}
.page-about__masthead-brand{
  display:block;
  font-size:clamp(52px,10vw,108px);
  line-height:0.95;
  color:var(--about-paper);
}
.page-about__masthead-sub{
  display:block;
  font-size:clamp(18px,3vw,30px);
  line-height:1.2;
  margin-top:12px;
  color:var(--about-paper-dim);
  opacity:0.78;
  font-weight:600;
}
.page-about__masthead-desc{
  font-size:15px;
  line-height:1.75;
  color:var(--about-warmgray);
  margin:0 0 24px;
  max-width:62ch;
}
.page-about__cover-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.page-about__cover-cta{
  display:inline-flex;
  margin-bottom:8px;
}
.page-about__toc{
  background:rgba(255,255,255,0.045);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:var(--radius-xl);
  padding:22px 20px 16px;
  max-width:640px;
  backdrop-filter:blur(8px);
}
.page-about__toc-title{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.16em;
  color:var(--about-gold);
  margin:0 0 14px;
  text-transform:uppercase;
}
.page-about__toc-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}
.page-about__toc-item{
  border-radius:var(--radius-md);
  transition:background var(--motion-fast) ease;
}
.page-about__toc-link{
  display:flex;
  align-items:center;
  gap:16px;
  padding:13px 12px;
  border-radius:var(--radius-md);
  text-decoration:none;
  transition:background var(--motion-fast) ease;
}
.page-about__toc-link:hover{
  background:rgba(255,255,255,0.07);
}
.page-about__toc-index{
  font-family:var(--font-display);
  font-weight:800;
  font-size:24px;
  line-height:1;
  width:40px;
  flex-shrink:0;
  color:var(--about-orange);
  -webkit-text-stroke:1.5px var(--about-space);
}
.page-about__toc-main{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.page-about__toc-name{
  font-size:15px;
  font-weight:700;
  color:var(--about-paper);
}
.page-about__toc-desc{
  font-size:12px;
  color:var(--about-stone);
}
.page-about__cover-figure{
  margin:48px 0 0;
  position:relative;
  z-index:1;
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.14);
  box-shadow:0 18px 64px rgba(0,0,0,0.45);
  transform:rotate(-0.4deg);
}
.page-about__cover-figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}

/* ====== 章节通用 ====== */
.page-about__chapter{
  position:relative;
  padding:96px 0;
}
.page-about__chapter-band{
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:10px;
  background:linear-gradient(90deg,var(--about-moss) 0%,var(--about-moss-dark) 50%,rgba(200,255,0,0.35) 100%);
  z-index:2;
}
.page-about__chapter-head{
  position:relative;
  margin-bottom:52px;
  padding-top:24px;
}
.page-about__chapter-no{
  position:absolute;
  top:-10px;
  right:-8px;
  font-family:var(--font-display);
  font-weight:900;
  font-size:92px;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px currentColor;
  opacity:0.22;
  pointer-events:none;
  user-select:none;
}
.page-about__eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.2em;
  text-transform:uppercase;
  margin:0 0 12px;
  display:flex;
  align-items:center;
  gap:10px;
}
.page-about__eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:99px;
  background:currentColor;
  display:inline-block;
  opacity:0.5;
}
.page-about__chapter-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(28px,5vw,44px);
  line-height:1.12;
  margin:0 0 14px;
}
.page-about__chapter-lede{
  font-size:15px;
  line-height:1.7;
  color:var(--about-stone);
  max-width:58ch;
  margin:0;
}

/* ====== 编辑部手记 ====== */
.page-about__note{
  background:var(--about-paper);
  color:var(--about-abyss);
}
.page-about__note .page-about__chapter-band{
  background:linear-gradient(90deg,var(--about-moss) 0%,var(--about-terra) 120%);
}
.page-about__note .page-about__chapter-no{
  color:var(--about-abyss);
}
.page-about__note .page-about__eyebrow{
  color:var(--about-terra);
}
.page-about__note .page-about__chapter-title{
  color:var(--about-abyss);
}
.page-about__note .page-about__chapter-lede{
  color:#5A5248;
}
.page-about__note-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
}
.page-about__note-copy{
  font-size:15px;
  line-height:1.85;
  color:#2A2A28;
  display:grid;
  gap:18px;
}
.page-about__note-copy p{
  margin:0;
}
.page-about__note-pull{
  margin:22px 0 0;
  padding:22px 24px 18px;
  border-left:4px solid var(--about-terra);
  background:rgba(195,107,73,0.09);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
}
.page-about__note-pull blockquote{
  margin:0;
  font-family:var(--font-display);
  font-size:20px;
  line-height:1.5;
  font-weight:700;
  color:var(--about-abyss);
}
.page-about__note-pull figcaption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12px;
  color:#7A725F;
}
.page-about__note-aside{
  align-self:start;
}
.page-about__fact-card{
  background:var(--about-abyss);
  color:var(--about-warmgray);
  border-radius:var(--radius-lg);
  padding:24px 22px;
  box-shadow:0 12px 40px rgba(0,0,0,0.18);
}
.page-about__fact-title{
  font-family:var(--font-display);
  font-size:22px;
  font-weight:800;
  color:var(--about-paper);
  margin:0 0 18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.page-about__fact-title::after{
  content:"";
  width:8px;
  height:8px;
  border-radius:99px;
  background:var(--about-lime);
  box-shadow:0 0 12px rgba(200,255,0,0.7);
}
.page-about__fact-list{
  margin:0;
}
.page-about__fact-row{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,0.13);
  font-size:14px;
}
.page-about__fact-row:last-child{
  border-bottom:none;
}
.page-about__fact-row dt{
  color:var(--about-stone);
}
.page-about__fact-row dd{
  margin:0;
  font-family:var(--font-mono);
  font-weight:700;
  color:var(--about-paper);
  text-align:right;
}
.page-about__fact-note{
  margin:16px 0 0;
  font-size:12px;
  line-height:1.6;
  color:var(--about-stone);
  border-top:1px solid rgba(255,255,255,0.1);
  padding-top:14px;
}

/* ====== 沿革与规模 ====== */
.page-about__timeline{
  background:linear-gradient(180deg,var(--about-space) 0%,var(--about-deepblue) 100%);
  color:var(--about-warmgray);
}
.page-about__timeline .page-about__chapter-band{
  background:linear-gradient(90deg,var(--about-lime) 0%,var(--about-moss) 55%,var(--about-moss-dark) 100%);
}
.page-about__timeline .page-about__chapter-no{
  color:var(--about-lime);
}
.page-about__timeline .page-about__eyebrow{
  color:var(--about-lime);
}
.page-about__timeline .page-about__chapter-title{
  color:var(--about-paper);
}
.page-about__scale{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-bottom:48px;
}
.page-about__scale-item{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.09);
  border-radius:var(--radius-lg);
  padding:20px 16px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transition:border-color var(--motion-fast) ease,transform var(--motion-fast) ease;
}
.page-about__scale-item:hover{
  border-color:var(--about-lime);
  transform:translateX(2px);
}
.page-about__scale-num{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(28px,4vw,40px);
  line-height:1;
  color:var(--about-orange);
}
.page-about__scale-label{
  font-size:13px;
  color:var(--about-stone);
}
.page-about__timeline-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
}
.page-about__tl-list{
  list-style:none;
  margin:0;
  padding:0 0 0 20px;
  position:relative;
}
.page-about__tl-list::before{
  content:"";
  position:absolute;
  left:9px;
  top:16px;
  bottom:16px;
  width:2px;
  background:linear-gradient(180deg,var(--about-lime) 0%,var(--about-moss) 40%,var(--about-moss-dark) 100%);
  border-radius:2px;
}
.page-about__tl-item{
  position:relative;
  padding:0 0 32px 34px;
}
.page-about__tl-item:last-child{
  padding-bottom:0;
}
.page-about__tl-node{
  position:absolute;
  left:-21px;
  top:4px;
  width:20px;
  height:20px;
  border-radius:99px;
  background:var(--about-deepblue);
  border:4px solid var(--about-lime);
  box-shadow:0 0 0 4px rgba(200,255,0,0.14);
}
.page-about__tl-card{
  background:rgba(255,255,255,0.045);
  border:1px solid rgba(255,255,255,0.09);
  border-radius:var(--radius-lg);
  padding:18px 18px 16px;
  transition:border-color var(--motion-fast) ease,transform var(--motion-fast) ease,background var(--motion-fast) ease;
}
.page-about__tl-card:hover{
  border-color:var(--about-orange);
  background:rgba(255,255,255,0.07);
  transform:translateX(2px);
}
.page-about__tl-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:8px;
}
.page-about__tl-year{
  font-family:var(--font-display);
  font-weight:800;
  font-size:24px;
  line-height:1;
  color:var(--about-paper);
}
.page-about__tl-version{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.05em;
  color:var(--about-deepblue);
  background:var(--about-lime);
  padding:3px 8px;
  border-radius:99px;
  font-weight:700;
}
.page-about__tl-title{
  font-size:15px;
  font-weight:700;
  color:var(--about-paper);
  margin:0 0 6px;
}
.page-about__tl-desc{
  font-size:13px;
  line-height:1.7;
  color:var(--about-stone);
  margin:0;
}
.page-about__timeline-figure{
  margin:0;
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.1);
  background:rgba(255,255,255,0.04);
}
.page-about__timeline-figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-about__timeline-figure figcaption{
  font-size:12px;
  line-height:1.6;
  color:var(--about-stone);
  padding:14px 16px;
  border-top:1px solid rgba(255,255,255,0.08);
}

/* ====== 内容矩阵 ====== */
.page-about__matrix{
  background:var(--about-paper-dim);
  color:var(--about-abyss);
}
.page-about__matrix .page-about__chapter-band{
  background:linear-gradient(90deg,var(--about-gold) 0%,var(--about-terra) 50%,var(--about-moss) 100%);
}
.page-about__matrix .page-about__chapter-no{
  color:var(--about-terra);
}
.page-about__matrix .page-about__eyebrow{
  color:var(--about-terra);
}
.page-about__matrix .page-about__chapter-title{
  color:var(--about-abyss);
}
.page-about__matrix .page-about__chapter-lede{
  color:#665F54;
}
.page-about__matrix-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
.page-about__matrix-card{
  background:var(--about-paper);
  border:1px solid rgba(22,28,36,0.09);
  border-radius:var(--radius-xl);
  padding:30px 26px 28px;
  box-shadow:0 10px 32px rgba(0,0,0,0.08);
  position:relative;
  overflow:hidden;
  transition:border-color var(--motion-fast) ease,transform var(--motion-fast) ease,box-shadow var(--motion-fast) ease;
}
.page-about__matrix-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:5px;
  background:var(--matrix-accent);
  opacity:0.8;
}
.page-about__matrix-card:hover{
  border-color:var(--about-terra);
  box-shadow:0 16px 40px rgba(0,0,0,0.13);
  transform:translateX(2px);
}
.page-about__matrix-card:first-child{
  --matrix-accent:var(--about-orange);
}
.page-about__matrix-card:nth-child(2){
  --matrix-accent:var(--about-lime);
}
.page-about__matrix-card:nth-child(3){
  --matrix-accent:var(--about-gold);
}
.page-about__matrix-card:nth-child(4){
  --matrix-accent:var(--about-terra);
}
.page-about__matrix-icon{
  width:54px;
  height:54px;
  border-radius:99px;
  background:var(--about-abyss);
  color:var(--about-paper);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  border:4px solid var(--matrix-accent);
}
.page-about__matrix-icon svg{
  width:30px;
  height:30px;
}
.page-about__matrix-tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.12em;
  color:var(--about-terra);
  background:rgba(195,107,73,0.1);
  display:inline-flex;
  padding:4px 10px;
  border-radius:99px;
  margin:0 0 12px;
  font-weight:700;
}
.page-about__matrix-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:24px;
  margin:0 0 10px;
  color:var(--about-abyss);
}
.page-about__matrix-desc{
  font-size:14px;
  line-height:1.75;
  color:#5A5248;
  margin:0 0 16px;
}
.page-about__matrix-facts{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}
.page-about__matrix-facts li{
  font-size:13px;
  line-height:1.6;
  color:var(--about-abyss);
  display:flex;
  align-items:flex-start;
  gap:9px;
}
.page-about__matrix-facts li::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--matrix-accent);
  flex-shrink:0;
  margin-top:7px;
}
.page-about__matrix-footnote{
  font-size:13px;
  line-height:1.7;
  color:#665F54;
  margin:28px 0 0;
  padding:16px 18px;
  background:rgba(255,255,255,0.45);
  border-radius:var(--radius-md);
  border-left:4px solid var(--about-moss);
}

/* ====== 服务与资质 ====== */
.page-about__capabilities{
  background:linear-gradient(180deg,var(--about-abyss) 0%,var(--about-space) 100%);
  color:var(--about-warmgray);
}
.page-about__capabilities .page-about__chapter-band{
  background:linear-gradient(90deg,var(--about-orange) 0%,var(--about-terra) 45%,var(--about-lime) 120%);
}
.page-about__capabilities .page-about__chapter-no{
  color:var(--about-orange);
}
.page-about__capabilities .page-about__eyebrow{
  color:var(--about-orange);
}
.page-about__capabilities .page-about__chapter-title{
  color:var(--about-paper);
}
.page-about__cap-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:44px;
}
.page-about__cap-main{
  display:grid;
  gap:36px;
}
.page-about__teams{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.page-about__team-card{
  background:rgba(255,255,255,0.045);
  border:1px solid rgba(255,255,255,0.09);
  border-radius:var(--radius-lg);
  padding:20px 20px 18px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transition:border-color var(--motion-fast) ease,transform var(--motion-fast) ease;
}
.page-about__team-card:hover{
  border-color:var(--about-orange);
  transform:translateX(2px);
}
.page-about__team-index{
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  color:var(--about-lime);
}
.page-about__team-name{
  font-size:16px;
  font-weight:700;
  color:var(--about-paper);
  margin:0;
}
.page-about__team-desc{
  font-size:13px;
  line-height:1.7;
  color:var(--about-stone);
  margin:0;
}
.page-about__cap-divider{
  height:1px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,0.12) 0,rgba(255,255,255,0.12) 8px,transparent 8px,transparent 16px);
}
.page-about__membership{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
}
.page-about__membership-block{
  background:rgba(255,255,255,0.035);
  border-radius:var(--radius-lg);
  padding:22px 20px;
  border:1px solid rgba(255,255,255,0.08);
}
.page-about__membership-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:20px;
  color:var(--about-paper);
  margin:0 0 8px;
}
.page-about__membership-desc{
  font-size:13px;
  line-height:1.65;
  color:var(--about-stone);
  margin:0 0 14px;
}
.page-about__membership-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:9px;
}
.page-about__membership-list li{
  font-size:13px;
  line-height:1.6;
  color:var(--about-warmgray);
  display:flex;
  align-items:center;
  gap:8px;
}
.page-about__membership-list li::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:99px;
  background:var(--about-gold);
  flex-shrink:0;
}
.page-about__cap-aside{
  display:grid;
  gap:26px;
  align-content:start;
}
.page-about__team-figure{
  margin:0;
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.1);
}
.page-about__team-figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-about__team-figure figcaption{
  font-size:12px;
  color:var(--about-stone);
  padding:12px 16px;
  background:rgba(255,255,255,0.04);
}
.page-about__data-note{
  background:var(--about-moss-dark);
  border-radius:var(--radius-lg);
  padding:24px 22px;
  border-left:5px solid var(--about-lime);
}
.page-about__data-note-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:20px;
  color:var(--about-paper);
  margin:0 0 12px;
}
.page-about__data-note p{
  font-size:13px;
  line-height:1.7;
  color:var(--about-warmgray);
  margin:0 0 10px;
}
.page-about__data-note p:last-of-type{
  margin-bottom:0;
}
.page-about__data-note-version{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.05em;
  background:var(--about-lime);
  color:var(--about-deepblue);
  display:inline-flex;
  padding:5px 12px;
  border-radius:99px;
  font-weight:700;
  margin-top:6px;
}

/* ====== 出场区 ====== */
.page-about__outro{
  background:var(--about-deepblue);
  padding:72px 0;
  position:relative;
  border-top:1px solid rgba(255,255,255,0.07);
}
.page-about__outro::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:4px;
  background:linear-gradient(90deg,var(--about-orange) 0%,var(--about-lime) 100%);
}
.page-about__outro-kicker{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.16em;
  color:var(--about-orange);
  text-transform:uppercase;
  margin:0 0 10px;
}
.page-about__outro-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(24px,4vw,36px);
  color:var(--about-paper);
  margin:0 0 32px;
}
.page-about__outro-links{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
.page-about__outro-link{
  display:flex;
  flex-direction:column;
  gap:4px;
  background:rgba(255,255,255,0.045);
  border:1px solid rgba(255,255,255,0.09);
  border-radius:var(--radius-lg);
  padding:18px 20px;
  text-decoration:none;
  transition:border-color var(--motion-fast) ease,transform var(--motion-fast) ease,background var(--motion-fast) ease;
}
.page-about__outro-link:hover{
  border-color:var(--about-orange);
  background:rgba(255,255,255,0.07);
  transform:translateX(2px);
}
.page-about__outro-name{
  font-size:15px;
  font-weight:700;
  color:var(--about-paper);
}
.page-about__outro-desc{
  font-size:12px;
  color:var(--about-stone);
}

/* ====== 平板增强 ====== */
@media (min-width:640px){
  .page-about__cover-grid{
    flex-direction:row;
    align-items:flex-start;
    gap:48px;
  }
  .page-about__cover-main{
    flex:1 1 58%;
  }
  .page-about__toc{
    flex:1 1 42%;
    margin-top:6px;
  }
  .page-about__scale{
    grid-template-columns:repeat(4,1fr);
  }
  .page-about__teams{
    grid-template-columns:repeat(2,1fr);
  }
  .page-about__membership{
    grid-template-columns:repeat(2,1fr);
  }
  .page-about__outro-links{
    grid-template-columns:repeat(2,1fr);
  }
}

/* ====== 桌面增强 ====== */
@media (min-width:1024px){
  .page-about__chapter{
    padding:120px 0;
  }
  .page-about__note-grid{
    grid-template-columns:minmax(0,1fr) 340px;
    gap:60px;
  }
  .page-about__timeline-grid{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:56px;
    align-items:start;
  }
  .page-about__scale{
    margin-bottom:64px;
  }
  .page-about__matrix-grid{
    grid-template-columns:repeat(2,1fr);
    gap:26px;
  }
  .page-about__matrix-card{
    padding:34px 30px 32px;
  }
  .page-about__cap-grid{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:56px;
    align-items:start;
  }
  .page-about__tl-item{
    padding-bottom:36px;
  }
}

/* ====== 减少动态偏好 ====== */
@media (prefers-reduced-motion:reduce){
  .page-about *,
  .page-about *::before,
  .page-about *::after{
    transition:none !important;
    animation:none !important;
    scroll-behavior:auto !important;
  }
}