.page-about{
  --about-line:1px solid rgba(143,167,156,.22);
  --about-line-ink:1px solid rgba(16,21,18,.18);
  --about-pad-y:clamp(44px,6vw,88px);
  background:var(--lb-deep);
  color:var(--lb-fog);
  font-family:var(--font-body);
  overflow-x:clip;
}

.page-about p{
  margin:0 0 16px;
  line-height:1.75;
  font-size:16px;
}

.page-about .about-wrap{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:clamp(18px,4vw,56px);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb{
  background:var(--lb-deep);
  padding-top:clamp(18px,3vw,28px);
}
.page-about .crumb{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--lb-ash);
}
.page-about .crumb a{
  color:var(--lb-ash);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease-out,border-color .18s ease-out;
}
.page-about .crumb a:hover{
  color:var(--lb-lime);
  border-bottom-color:var(--lb-lime);
}
.page-about .crumb [aria-current="page"]{
  color:var(--lb-fog);
}
.page-about .crumb__sep{
  margin-inline:8px;
  color:rgba(143,167,156,.6);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  background:
    radial-gradient(70% 60% at 94% -6%,rgba(198,242,74,.16),transparent 62%),
    radial-gradient(60% 50% at 4% 108%,rgba(240,138,60,.10),transparent 70%),
    var(--lb-deep);
  border-bottom:var(--about-line);
  padding:clamp(26px,4vw,44px) 0 clamp(44px,6vw,80px);
}
.page-about .about-hero__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(24px,4vw,40px);
  align-items:start;
}
.page-about .about-kicker{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--lb-lime);
  margin:0 0 10px;
  padding-top:10px;
  border-top:2px solid var(--lb-lime);
}
.page-about .about-hero__sidenote{
  font-family:var(--font-serif);
  font-size:14px;
  line-height:1.8;
  color:var(--lb-ash);
  margin:0;
}
.page-about .about-h1{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(34px,6.4vw,84px);
  line-height:.98;
  letter-spacing:-.02em;
  margin:0 0 20px;
  color:var(--lb-fog);
}
.page-about .about-h1 em{
  font-style:normal;
  color:var(--lb-lime);
}
.page-about .about-lead{
  font-size:clamp(16px,1.7vw,19px);
  line-height:1.75;
  color:rgba(247,244,236,.86);
  max-width:48ch;
  margin:0 0 24px;
}
.page-about .about-facts{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  border-top:var(--about-line);
  padding-top:18px;
}
.page-about .about-facts li{
  display:flex;
  flex-direction:column;
  gap:2px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--lb-ash);
  padding-left:10px;
  border-left:2px solid rgba(198,242,74,.5);
}
.page-about .about-facts .num{
  font-family:var(--font-mono);
  font-size:22px;
  font-weight:600;
  line-height:1.1;
  color:var(--lb-fog);
}

.page-about .about-panel{
  background:var(--lb-stand);
  border:1px solid rgba(143,167,156,.28);
  box-shadow:6px 6px 0 rgba(6,18,15,.6);
  padding:18px 18px 20px;
}
.page-about .about-panel__head{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--lb-lime);
  margin:0 0 12px;
}
.page-about .about-panel__list{
  margin:0 0 16px;
  padding:0;
}
.page-about .about-panel__row{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:12px;
  padding:9px 0;
  border-bottom:1px dashed rgba(143,167,156,.24);
}
.page-about .about-panel__row:last-child{
  border-bottom:0;
}
.page-about .about-panel__row dt{
  font-size:12px;
  color:var(--lb-ash);
  letter-spacing:.04em;
}
.page-about .about-panel__row dd{
  margin:0;
  font-size:13px;
  color:var(--lb-fog);
  text-align:right;
}
.page-about .about-panel__row dd.num{
  font-family:var(--font-mono);
}
.page-about .about-panel__link{
  display:inline-block;
  font-size:13px;
  color:var(--lb-ink);
  background:var(--lb-lime);
  text-decoration:none;
  padding:10px 14px;
  min-height:44px;
  box-sizing:border-box;
  line-height:24px;
  transition:background .18s ease-out,transform .18s ease-out;
}
.page-about .about-panel__link:hover{
  background:var(--lb-lime-soft);
  transform:translateY(-2px);
}

/* ---------- 区块骨架 ---------- */
.page-about .about-section{
  padding:var(--about-pad-y) 0;
  border-bottom:var(--about-line);
}
.page-about .about-section--deep{
  background:var(--lb-deep);
}
.page-about .about-section--stand{
  background:var(--lb-stand);
}
.page-about .about-section--black{
  background:var(--lb-black);
}
.page-about .about-section--paper{
  background:var(--lb-paper);
  color:var(--lb-ink);
  border-bottom:var(--about-line-ink);
}
.page-about .about-h2{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(25px,4vw,42px);
  line-height:1.12;
  letter-spacing:-.015em;
  margin:0 0 18px;
  color:inherit;
}
.page-about .about-intro{
  max-width:62ch;
  color:inherit;
  opacity:.88;
  margin:0 0 28px;
}
.page-about .about-note{
  font-size:13px;
  line-height:1.7;
  color:var(--lb-ash);
  margin:0;
}
.page-about .about-note--inline{
  margin-top:22px;
  padding-top:14px;
  border-top:var(--about-line);
}

/* ---------- 两栏分栏 ---------- */
.page-about .about-split{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(24px,4vw,48px);
}
.page-about .about-split__aside{
  order:2;
}
.page-about .about-split__body{
  order:1;
}
.page-about .about-quote{
  font-family:var(--font-serif);
  font-size:clamp(17px,2.1vw,22px);
  line-height:1.6;
  color:var(--lb-fog);
  border-left:3px solid var(--lb-lime);
  padding-left:16px;
  margin:0 0 18px;
}
.page-about .about-dropcap::first-letter{
  float:left;
  font-family:var(--font-display);
  font-weight:900;
  font-size:3.4em;
  line-height:.82;
  padding:6px 10px 0 0;
  color:var(--lb-lime);
}

/* ---------- 内容生产（暖纸区） ---------- */
.page-about .about-split--paper{
  align-items:start;
}
.page-about .about-steps{
  list-style:none;
  counter-reset:step;
  margin:22px 0 0;
  padding:0;
}
.page-about .about-steps li{
  counter-increment:step;
  position:relative;
  padding:0 0 20px 46px;
  border-left:1px solid rgba(16,21,18,.16);
  margin-left:14px;
}
.page-about .about-steps li:last-child{
  padding-bottom:0;
  border-left-color:transparent;
}
.page-about .about-steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:-15px;
  top:0;
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  color:var(--lb-ink);
  background:var(--lb-paper-ash);
  border:1px solid rgba(16,21,18,.28);
}
.page-about .about-steps strong{
  display:block;
  font-family:var(--font-display);
  font-size:19px;
  letter-spacing:.01em;
  margin-bottom:4px;
  color:var(--lb-ink);
}
.page-about .about-steps span{
  display:block;
  font-size:15px;
  line-height:1.7;
  color:rgba(16,21,18,.78);
}

/* ---------- 图片 ---------- */
.page-about .about-figure{
  margin:0;
}
.page-about .about-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  aspect-ratio:3 / 2;
  object-fit:cover;
  border:1px solid rgba(16,21,18,.2);
  clip-path:polygon(0 1.6%,100% 0,100% 98.4%,0 100%);
  background:var(--lb-paper-ash);
}
.page-about .about-figure figcaption{
  margin-top:10px;
  font-size:13px;
  line-height:1.6;
  color:rgba(16,21,18,.62);
  border-left:2px solid var(--lb-orange);
  padding-left:10px;
}
.page-about .about-figure--wide{
  margin-top:clamp(28px,4vw,44px);
}
.page-about .about-figure--wide img{
  aspect-ratio:10 / 7;
}
.page-about .about-figure--hero{
  margin-bottom:clamp(26px,4vw,40px);
  border-top:3px solid var(--lb-orange);
  padding-top:14px;
}
.page-about .about-figure--hero img{
  aspect-ratio:12 / 7;
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  background:rgba(143,167,156,.28);
  border:1px solid rgba(143,167,156,.28);
  margin-top:26px;
}
.page-about .about-team__cell{
  background:var(--lb-stand);
  padding:22px 20px 24px;
}
.page-about .about-team__num{
  font-family:var(--font-mono);
  font-size:clamp(38px,6vw,64px);
  font-weight:600;
  line-height:1;
  color:var(--lb-lime);
  margin:0 0 8px;
}
.page-about .about-team__name{
  font-family:var(--font-display);
  font-size:20px;
  letter-spacing:.02em;
  margin:0 0 8px;
  color:var(--lb-fog);
}
.page-about .about-team__desc{
  font-size:14px;
  line-height:1.7;
  color:var(--lb-ash);
  margin:0;
}

/* ---------- 版本时间线 ---------- */
.page-about .about-ruler{
  display:block;
  width:100%;
  height:24px;
  margin:0 0 22px;
}
.page-about .about-timeline{
  list-style:none;
  margin:0;
  padding:0 0 0 28px;
  border-left:1px solid rgba(143,167,156,.32);
}
.page-about .about-timeline__item{
  position:relative;
  margin-bottom:14px;
}
.page-about .about-timeline__item::before{
  content:"";
  position:absolute;
  left:-33px;
  top:16px;
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--lb-orange);
  box-shadow:0 0 0 4px rgba(240,138,60,.16);
}
.page-about .about-timeline__item:last-child::before{
  background:var(--lb-lime);
  box-shadow:0 0 0 4px rgba(198,242,74,.2);
}
.page-about .about-ver{
  background:rgba(18,48,42,.55);
  border:1px solid rgba(143,167,156,.24);
  transition:border-color .18s ease-out,background .18s ease-out;
}
.page-about .about-ver[open]{
  background:var(--lb-stand);
  border-color:rgba(198,242,74,.4);
}
.page-about .about-ver summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:baseline;
  gap:12px;
  flex-wrap:wrap;
  padding:14px 16px;
  min-height:44px;
  box-sizing:border-box;
}
.page-about .about-ver summary::-webkit-details-marker{
  display:none;
}
.page-about .about-ver summary::after{
  content:"展开";
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--lb-ash);
  transition:color .16s ease-out;
}
.page-about .about-ver[open] summary::after{
  content:"收起";
  color:var(--lb-lime);
}
.page-about .about-ver summary:hover::after{
  color:var(--lb-lime);
}
.page-about .about-ver__id{
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:600;
  color:var(--lb-orange);
  letter-spacing:.02em;
}
.page-about .about-ver[open] .about-ver__id{
  color:var(--lb-lime);
}
.page-about .about-ver__name{
  font-family:var(--font-display);
  font-size:18px;
  letter-spacing:.01em;
  color:var(--lb-fog);
}
.page-about .about-ver p{
  margin:0;
  padding:0 16px 16px 42px;
  font-size:14px;
  line-height:1.75;
  color:var(--lb-ash);
}

/* ---------- 服务清单 ---------- */
.page-about .about-services{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.page-about .about-svc{
  border-top:3px solid var(--lb-ash);
  padding-top:14px;
}
.page-about .about-svc--lime{
  border-top-color:var(--lb-lime);
}
.page-about .about-svc--orange{
  border-top-color:var(--lb-orange);
}
.page-about .about-svc--paper{
  border-top-color:var(--lb-paper-ash);
}
.page-about .about-svc--ash{
  border-top-color:var(--lb-ash);
}
.page-about .about-svc__head{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-family:var(--font-display);
  font-size:21px;
  letter-spacing:.02em;
  margin:0 0 10px;
  color:var(--lb-ink);
}
.page-about .about-svc__count{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  color:var(--lb-ink);
  background:var(--lb-paper-ash);
  padding:2px 7px;
  border:1px solid rgba(16,21,18,.2);
}
.page-about .about-svc--lime .about-svc__count{
  background:var(--lb-lime);
  border-color:rgba(16,21,18,.28);
}
.page-about .about-svc--orange .about-svc__count{
  background:rgba(240,138,60,.34);
}
.page-about .about-svc__list{
  list-style:none;
  margin:0;
  padding:0;
}
.page-about .about-svc__item{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:2px 10px;
  padding:10px 0;
  border-bottom:1px dashed rgba(16,21,18,.2);
  transition:border-color .16s ease-out;
}
.page-about .about-svc__item:hover{
  border-bottom-color:rgba(16,21,18,.5);
}
.page-about .about-svc__tag{
  font-size:15px;
  font-weight:600;
  color:var(--lb-ink);
  transition:color .16s ease-out;
}
.page-about .about-svc__item:hover .about-svc__tag{
  color:rgba(16,21,18,.62);
}
.page-about .about-svc__note{
  font-size:13px;
  line-height:1.6;
  color:rgba(16,21,18,.66);
  flex:1 1 100%;
}

/* ---------- 合作与认可 ---------- */
.page-about .about-eco{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.page-about .about-eco__card{
  border-top:2px solid var(--lb-orange);
  border-bottom:var(--about-line);
  padding:16px 0 18px;
}
.page-about .about-eco__num{
  font-family:var(--font-mono);
  font-size:clamp(26px,4vw,38px);
  font-weight:600;
  line-height:1.1;
  color:var(--lb-lime);
  margin:0 0 6px;
}
.page-about .about-eco__name{
  font-family:var(--font-display);
  font-size:19px;
  letter-spacing:.02em;
  margin:0 0 8px;
  color:var(--lb-fog);
}
.page-about .about-eco__desc{
  font-size:14px;
  line-height:1.72;
  color:var(--lb-ash);
  margin:0;
}
.page-about .about-honor{
  list-style:none;
  margin:28px 0 0;
  padding:0;
  display:grid;
  gap:10px;
}
.page-about .about-honor li{
  display:flex;
  align-items:baseline;
  gap:12px;
  font-size:14px;
  color:var(--lb-fog);
  background:rgba(18,48,42,.6);
  border-left:3px solid var(--lb-lime);
  padding:12px 14px;
}
.page-about .about-honor__year{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--lb-orange);
}

/* ---------- 下一步入口 ---------- */
.page-about .about-next-section{
  border-bottom:0;
}
.page-about .about-next{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
.page-about .about-next__link{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:18px 16px;
  min-height:44px;
  text-decoration:none;
  color:var(--lb-fog);
  background:rgba(18,48,42,.45);
  border:1px solid rgba(143,167,156,.28);
  transition:border-color .18s ease-out,background .18s ease-out,transform .18s ease-out;
}
.page-about .about-next__link:hover{
  border-color:var(--lb-lime);
  background:rgba(198,242,74,.1);
  transform:translateY(-2px);
}
.page-about .about-next__kicker{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--lb-lime);
}
.page-about .about-next__title{
  font-size:15px;
  line-height:1.6;
}

/* ---------- 响应式 ---------- */
@media (min-width:760px){
  .page-about .about-services{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px 28px;
  }
  .page-about .about-team__grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .page-about .about-eco{
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
  }
  .page-about .about-next{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-about .about-honor{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-about .about-svc__item{
    flex-wrap:nowrap;
  }
  .page-about .about-svc__note{
    flex:1 1 auto;
    text-align:right;
  }
}

@media (min-width:900px){
  .page-about .about-hero__grid{
    grid-template-columns:minmax(0,2fr) minmax(0,7fr) minmax(0,3fr);
    gap:clamp(20px,2.6vw,36px);
  }
  .page-about .about-hero__note{
    padding-top:14px;
    border-top:2px solid var(--lb-lime);
  }
  .page-about .about-split{
    grid-template-columns:minmax(0,4fr) minmax(0,8fr);
    align-items:start;
  }
  .page-about .about-split--paper{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  }
  .page-about .about-split__aside{
    order:1;
    position:sticky;
    top:calc(var(--strip-h) + 16px);
  }
  .page-about .about-split__body{
    order:2;
  }
  .page-about .about-timeline{
    padding-left:44px;
  }
  .page-about .about-timeline__item::before{
    left:-49px;
  }
  .page-about .about-ver p{
    padding-left:58px;
    max-width:68ch;
  }
}

@media (min-width:1040px){
  .page-about .about-next{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}

@media (prefers-reduced-motion:reduce){
  .page-about .about-panel__link,
  .page-about .about-next__link{
    transition:color .01ms linear,background .01ms linear,border-color .01ms linear;
  }
  .page-about .about-panel__link:hover,
  .page-about .about-next__link:hover{
    transform:none;
  }
}
<<<END>>>