.page-about{
  --about-rule:1px solid var(--silver);
  padding-bottom:clamp(48px,7vw,96px);
}

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

.page-about .about-wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.page-about .about-crumb{
  padding-top:clamp(16px,3vw,28px);
  font-size:13px;
}

.page-about .about-crumb a{
  color:var(--graphite);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease), color .18s var(--ease);
}

.page-about .about-crumb a:hover{
  color:var(--grass);
  border-bottom-color:var(--grass);
}

.page-about .about-crumb span[aria-hidden]{
  margin-inline:8px;
  color:var(--silver);
}

.page-about .about-crumb span[aria-current]{
  color:var(--ink);
  font-weight:600;
}

/* 首屏 */
.page-about .about-hero{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  padding-block:clamp(28px,5vw,56px) clamp(32px,5vw,64px);
}

.page-about .about-hero-copy .eyebrow{
  margin:0 0 20px;
}

.page-about .about-hero h1{
  margin:0;
  font-size:clamp(32px,6.4vw,60px);
  line-height:1.15;
  letter-spacing:-.01em;
  font-weight:900;
  color:var(--ink);
  max-width:15em;
}

.page-about .about-hero-lead{
  margin:24px 0 0;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.9;
  color:var(--graphite);
  max-width:34em;
}

.page-about .about-path{
  list-style:none;
  margin:32px 0 0;
  padding:16px 0 0;
  border-top:var(--about-rule);
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  font-size:13px;
  color:var(--ink);
}

.page-about .about-path li{
  display:flex;
  align-items:baseline;
  gap:8px;
}

.page-about .about-path li span{
  color:var(--grass);
  font-weight:700;
}

.page-about .about-hero-slab{
  position:relative;
  overflow:hidden;
  background:var(--grass);
  color:var(--white);
  clip-path:polygon(0 0,100% 0,100% 100%,7% 100%);
  padding:22px 24px 24px 44px;
  min-height:168px;
  display:grid;
  align-content:start;
  gap:6px;
}

.page-about .about-hero-slab::after{
  content:"";
  position:absolute;
  right:0;
  bottom:0;
  width:52%;
  height:46%;
  background:var(--forest);
  clip-path:polygon(0 100%,100% 0,100% 100%);
}

.page-about .about-slab-label,
.page-about .about-slab-note{
  margin:0;
  font-size:12px;
  letter-spacing:.06em;
  position:relative;
  z-index:1;
}

.page-about .about-slab-num{
  margin:0;
  font-size:clamp(64px,12vw,96px);
  line-height:1;
  font-weight:700;
  letter-spacing:-.02em;
  position:relative;
  z-index:1;
}

.page-about .about-slab-note{
  color:rgba(255,255,255,.82);
  border-top:1px solid rgba(255,255,255,.35);
  padding-top:8px;
  margin-top:auto;
}

@media (min-width:900px){
  .page-about .about-hero{
    grid-template-columns:minmax(0,1.5fr) minmax(0,.5fr);
    align-items:stretch;
    gap:0;
    padding-block:clamp(40px,6vw,88px) clamp(48px,6vw,96px);
  }
  .page-about .about-hero-slab{
    clip-path:polygon(16% 0,100% 0,100% 100%,0 100%);
    padding:28px 28px 28px 64px;
    min-height:340px;
    align-content:space-between;
  }
}

/* 规模数字 */
.page-about .about-stats{
  display:grid;
  grid-template-columns:1fr;
  border-block:var(--about-rule);
}

.page-about .about-stat{
  padding:26px 0;
  border-top:var(--about-rule);
}

.page-about .about-stat:first-child{
  border-top:0;
}

.page-about .about-stat-num{
  margin:0;
  font-size:clamp(40px,7vw,56px);
  line-height:1;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
}

.page-about .about-stat-num em{
  font-style:normal;
  font-size:.4em;
  font-weight:500;
  color:var(--graphite);
  margin-left:2px;
  letter-spacing:0;
}

.page-about .about-stat-note{
  margin:14px 0 0;
  font-size:14px;
  line-height:1.7;
  color:var(--graphite);
  max-width:22em;
}

@media (min-width:768px){
  .page-about .about-stats{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .page-about .about-stat{
    border-top:0;
    border-left:var(--about-rule);
    padding:36px 32px;
  }
  .page-about .about-stat:first-child{
    border-left:0;
    padding-left:0;
  }
  .page-about .about-stat:last-child{
    padding-right:0;
  }
}

/* 通用章节 */
.page-about .about-section{
  margin-top:clamp(64px,9vw,112px);
}

.page-about .about-head{
  margin-bottom:clamp(28px,4vw,44px);
}

.page-about .about-head .eyebrow{
  margin:0 0 14px;
}

.page-about .about-section h2{
  margin:0;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.2;
  letter-spacing:-.01em;
  font-weight:900;
  color:var(--ink);
}

.page-about .about-head-lead{
  margin:18px 0 0;
  font-size:16px;
  line-height:1.9;
  color:var(--graphite);
  max-width:32em;
}

@media (min-width:1024px){
  .page-about .about-narrow{max-width:58%;}
  .page-about .about-medium{max-width:84%;}
  .page-about .about-section{max-width:none;}
  .page-about .about-narrow.about-section{max-width:58%;}
  .page-about .about-medium.about-section{max-width:84%;}
}

/* 人群 */
.page-about .about-persona-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}

.page-about .about-persona{
  background:var(--mist);
  border:1px solid var(--silver);
  border-radius:var(--radius);
  padding:24px 22px;
  transition:border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-about .about-persona:hover{
  border-color:var(--grass);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}

.page-about .about-persona-tag{
  margin:0 0 12px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--grass);
  background:var(--white);
  border:var(--about-rule);
  border-radius:var(--radius);
  display:inline-block;
  padding:4px 10px;
}

.page-about .about-persona h3{
  margin:0 0 10px;
  font-size:18px;
  line-height:1.4;
  font-weight:600;
  color:var(--ink);
}

.page-about .about-persona p{
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:var(--graphite);
}

@media (min-width:768px){
  .page-about .about-persona-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:1px;
    background:var(--silver);
    border:var(--about-rule);
  }
  .page-about .about-persona{
    border:0;
    border-radius:0;
    background:var(--white);
    padding:28px 26px;
  }
  .page-about .about-persona:hover{
    background:var(--mist);
    transform:none;
    box-shadow:none;
    border-color:transparent;
  }
}

/* 服务版图 */
.page-about .about-map-top{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}

.page-about .about-map-photo{
  margin:0;
}

.page-about .about-map-photo img{
  width:100%;
  height:100%;
  max-height:320px;
  object-fit:cover;
}

.page-about .about-map-intro .eyebrow{
  margin:0 0 14px;
}

.page-about .about-map-intro p{
  margin:16px 0 0;
  font-size:16px;
  line-height:1.9;
  color:var(--graphite);
  max-width:34em;
}

@media (min-width:900px){
  .page-about .about-map-top{
    grid-template-columns:minmax(0,0.34fr) minmax(0,0.66fr);
    gap:clamp(28px,4vw,56px);
    align-items:start;
  }
  .page-about .about-map-photo img{
    max-height:none;
    aspect-ratio:4/5;
  }
}

.page-about .about-quad{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  background:var(--silver);
  border:var(--about-rule);
  margin-top:clamp(28px,4vw,48px);
}

.page-about .about-quad-cell{
  background:var(--white);
  padding:26px 24px 28px;
  transition:background .18s var(--ease);
}

.page-about .about-quad-cell:hover{
  background:var(--mist);
}

.page-about .about-quad-num{
  margin:0 0 10px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--orange-deep);
}

.page-about .about-quad-cell h3{
  margin:0 0 10px;
  font-size:18px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
}

.page-about .about-quad-cell p{
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:var(--graphite);
}

@media (min-width:768px){
  .page-about .about-quad{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-about .about-quad-cell{
    padding:32px 30px;
  }
}

.page-about .about-diagram{
  margin:clamp(28px,4vw,48px) 0 0;
  background:var(--mist);
  border:var(--about-rule);
  border-radius:var(--radius);
  padding:clamp(16px,2.5vw,28px);
}

.page-about .about-diagram img{
  width:100%;
  max-width:600px;
  margin-inline:auto;
  object-fit:contain;
}

.page-about .about-diagram figcaption{
  margin:16px auto 0;
  max-width:34em;
  font-size:13px;
  line-height:1.8;
  color:var(--graphite);
  text-align:center;
  border-top:var(--about-rule);
  padding-top:14px;
}

@media (min-width:1024px){
  .page-about .about-diagram{
    max-width:84%;
    margin-left:auto;
  }
}

/* 迭代阶段 */
.page-about .about-stages{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(28px,4vw,48px);
}

.page-about .about-stages-rail .eyebrow{
  margin:0 0 14px;
}

.page-about .about-index{
  list-style:none;
  margin:28px 0 0;
  padding:0 0 0 22px;
  border-left:1px solid var(--silver);
  display:flex;
  flex-wrap:wrap;
  gap:14px 24px;
}

.page-about .about-index li{
  list-style:none;
}

.page-about .about-index-link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  font-size:14px;
  color:var(--graphite);
  text-decoration:none;
  transition:color .18s var(--ease);
}

.page-about .about-index-link .mono{
  font-size:12px;
  letter-spacing:.06em;
  color:var(--silver);
  transition:color .18s var(--ease);
}

.page-about .about-index-link::before{
  content:"";
  position:absolute;
  left:-27px;
  top:.55em;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--silver);
  transition:background .18s var(--ease), transform .18s var(--ease);
}

.page-about .about-index-link:hover{
  color:var(--grass);
}

.page-about .about-index-link:hover::before{
  background:var(--path);
}

.page-about .about-index-link[aria-current="true"]{
  color:var(--grass);
  font-weight:600;
}

.page-about .about-index-link[aria-current="true"] .mono{
  color:var(--grass);
}

.page-about .about-index-link[aria-current="true"]::before{
  background:var(--grass);
  transform:scale(1.25);
}

.page-about .about-stage{
  scroll-margin-top:calc(var(--header-h) + 24px);
  padding-top:4px;
}

.page-about .about-stage + .about-stage{
  margin-top:clamp(44px,7vw,88px);
  padding-top:clamp(32px,5vw,56px);
  border-top:var(--about-rule);
}

.page-about .about-stage-num{
  margin:0 0 14px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--graphite);
  display:flex;
  align-items:center;
  gap:10px;
}

.page-about .about-stage-num span{
  color:var(--white);
  background:var(--forest);
  padding:3px 8px;
  border-radius:var(--radius);
}

.page-about .about-stage h3{
  margin:0 0 16px;
  font-size:clamp(20px,2.6vw,28px);
  line-height:1.35;
  font-weight:900;
  color:var(--ink);
  max-width:20em;
}

.page-about .about-stage p{
  margin:0 0 14px;
  font-size:15px;
  line-height:1.95;
  color:var(--graphite);
  max-width:36em;
}

.page-about .about-stage-figure{
  margin:24px 0 18px;
  font-size:clamp(36px,5.4vw,52px);
  line-height:1;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--orange-deep);
}

@media (min-width:1024px){
  .page-about .about-stages{
    grid-template-columns:250px minmax(0,1fr);
    gap:clamp(40px,6vw,88px);
    align-items:start;
  }
  .page-about .about-stages-rail{
    position:sticky;
    top:calc(var(--header-h) + 32px);
  }
  .page-about .about-index{
    flex-direction:column;
    gap:20px;
    margin-top:32px;
  }
  .page-about .about-stage p{
    font-size:16px;
  }
}

/* 团队 */
.page-about .about-team-list{
  list-style:none;
  margin:0;
  padding:0;
  border-top:var(--about-rule);
}

.page-about .about-team-row{
  display:grid;
  grid-template-columns:1fr;
  gap:8px;
  padding:24px 0;
  border-bottom:var(--about-rule);
}

.page-about .about-team-num{
  margin:0;
  font-size:clamp(28px,4vw,36px);
  line-height:1;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--grass);
}

.page-about .about-team-num em{
  font-style:normal;
  font-size:.42em;
  font-weight:500;
  color:var(--graphite);
  margin-left:2px;
}

.page-about .about-team-row h3{
  margin:0 0 8px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
}

.page-about .about-team-row p{
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:var(--graphite);
}

.page-about .about-team-row a{
  color:var(--grass);
  text-decoration:none;
  border-bottom:1px solid var(--path);
}

.page-about .about-team-row a:hover{
  color:var(--path);
}

@media (min-width:768px){
  .page-about .about-team-row{
    grid-template-columns:120px minmax(0,1fr);
    gap:24px;
    align-items:start;
    padding:28px 0;
  }
}

.page-about .about-flow{
  list-style:none;
  margin:32px 0 0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  background:var(--silver);
  border:var(--about-rule);
}

.page-about .about-flow li{
  background:var(--mist);
  padding:14px 16px;
  font-size:13px;
  line-height:1.6;
  color:var(--ink);
  display:flex;
  align-items:baseline;
  gap:10px;
}

.page-about .about-flow li .mono{
  font-size:11px;
  color:var(--orange-deep);
  letter-spacing:.06em;
}

@media (min-width:768px){
  .page-about .about-flow{
    grid-template-columns:repeat(5,minmax(0,1fr));
  }
  .page-about .about-flow li{
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:16px 14px 18px;
  }
}

/* 安全 */
.page-about .about-sec-list{
  list-style:none;
  margin:0;
  padding:0;
  border-top:var(--about-rule);
}

.page-about .about-sec-item{
  padding:22px 0;
  border-bottom:var(--about-rule);
}

.page-about .about-sec-item h3{
  margin:0 0 8px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:10px;
}

.page-about .about-sec-item h3::before{
  content:"";
  width:8px;
  height:8px;
  background:var(--orange);
  border-radius:var(--radius);
  flex:none;
}

.page-about .about-sec-item p{
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:var(--graphite);
  padding-left:18px;
}

/* 地域与合规 */
.page-about .about-sky{
  margin:0 0 clamp(24px,4vw,40px);
}

.page-about .about-sky img{
  width:100%;
  height:clamp(140px,22vw,240px);
  object-fit:cover;
}

.page-about .about-region-body .eyebrow{
  margin:0 0 14px;
}

.page-about .about-region-facts{
  display:grid;
  grid-template-columns:1fr;
  gap:1px;
  background:var(--silver);
  border:var(--about-rule);
  margin-top:24px;
}

.page-about .about-fact{
  background:var(--white);
  padding:20px 22px 22px;
}

.page-about .about-fact-num{
  margin:0 0 8px;
  font-size:clamp(28px,3.4vw,36px);
  line-height:1;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
}

.page-about .about-fact p{
  margin:0;
  font-size:13px;
  line-height:1.75;
  color:var(--graphite);
}

@media (min-width:768px){
  .page-about .about-region-facts{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

.page-about .about-region-note{
  margin:24px 0 0;
  font-size:14px;
  line-height:1.9;
  color:var(--graphite);
  max-width:44em;
  padding-top:18px;
  border-top:var(--about-rule);
}

.page-about .about-region-note a{
  color:var(--grass);
  text-decoration:none;
  border-bottom:1px solid var(--path);
  transition:color .18s var(--ease);
}

.page-about .about-region-note a:hover{
  color:var(--path);
}

/* 下一步 */
.page-about .about-next{
  margin-top:clamp(64px,9vw,112px);
  background:var(--mist);
  border-top:4px solid var(--grass);
  padding:clamp(28px,4vw,44px) clamp(22px,3vw,40px);
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}

.page-about .about-next h2{
  margin:0;
  font-size:clamp(22px,3vw,30px);
  font-weight:900;
  line-height:1.3;
  color:var(--ink);
}

.page-about .about-next p{
  margin:12px 0 0;
  font-size:14px;
  line-height:1.9;
  color:var(--graphite);
  max-width:36em;
}

.page-about .about-next-links{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 24px;
}

.page-about .about-textlink{
  font-size:14px;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid var(--silver);
  padding-bottom:2px;
  transition:border-color .18s var(--ease), color .18s var(--ease);
}

.page-about .about-textlink:hover{
  color:var(--grass);
  border-bottom-color:var(--grass);
}

@media (min-width:900px){
  .page-about .about-next{
    grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
    align-items:center;
    gap:40px;
  }
  .page-about .about-next-links{
    justify-content:flex-end;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-about *{
    transition:none!important;
  }
  .page-about .about-persona:hover{
    transform:none;
  }
}
<<<END>>>