.page-about{
  --ab-hair:rgba(34,27,23,.12);
  --ab-hair-soft:rgba(34,27,23,.07);
  --ab-shadow:0 22px 48px -34px rgba(14,42,36,.55);
  --ab-card:#FFFCF6;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb{
  padding-top:clamp(14px,3vw,26px);
}
.page-about .breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(34,27,23,.62);
}
.page-about .breadcrumb__item{display:inline-flex;align-items:center;gap:8px;}
.page-about .breadcrumb__item a{
  color:inherit;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--speed) ease,border-color var(--speed) ease;
}
.page-about .breadcrumb__item a:hover,
.page-about .breadcrumb__item a:focus-visible{
  color:var(--summer);
  border-bottom-color:var(--summer);
}
.page-about .breadcrumb__item--sep{color:rgba(34,27,23,.28);}
.page-about .breadcrumb__item--current{color:var(--ink-green);font-weight:700;}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  position:relative;
  overflow:hidden;
  padding:clamp(20px,4vw,44px) 0 clamp(38px,6.5vw,84px);
}
.page-about .about-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    linear-gradient(112deg, rgba(127,178,74,.15) 0 19%, transparent 19.4%),
    linear-gradient(292deg, rgba(143,199,223,.22) 0 13%, transparent 13.4%);
}
.page-about .about-hero::after{
  content:"";
  position:absolute;
  top:-9%;
  right:-16%;
  width:min(56vw,600px);
  aspect-ratio:1 / 1;
  z-index:0;
  pointer-events:none;
  opacity:.85;
  background:conic-gradient(from 200deg,
    rgba(228,87,46,.26),
    rgba(192,122,36,.2),
    rgba(143,199,223,.26),
    rgba(127,178,74,.24),
    rgba(47,230,200,.16),
    rgba(228,87,46,.26));
  clip-path:polygon(30% 0,100% 0,100% 66%,66% 100%,0 80%,8% 28%);
}
.page-about .about-hero__inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(24px,4vw,40px);
  align-items:end;
}
.page-about .about-hero__title{
  margin:14px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(32px,6.2vw,54px);
  line-height:1.08;
  letter-spacing:-.015em;
  color:var(--ink-green);
}
.page-about .about-hero__lead{
  margin:18px 0 0;
  max-width:58ch;
  font-size:clamp(16px,2vw,18px);
  line-height:1.78;
  color:rgba(34,27,23,.84);
}
.page-about .about-hero__note{
  margin:14px 0 0;
  max-width:58ch;
  font-size:14px;
  line-height:1.7;
  color:rgba(34,27,23,.6);
}

/* 首屏数据面板 */
.page-about .about-stats{
  margin:0;
  padding:clamp(16px,3vw,24px);
  border-radius:var(--radius);
  border:1px solid rgba(231,236,234,.9);
  background:rgba(231,236,234,.62);
  backdrop-filter:blur(6px);
  box-shadow:var(--ab-shadow);
  display:grid;
  gap:12px;
}
.page-about .about-stats__row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding-bottom:10px;
  border-bottom:1px dashed rgba(34,27,23,.16);
}
.page-about .about-stats__row:last-child{border-bottom:0;padding-bottom:0;}
.page-about .about-stats__label{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(34,27,23,.6);
}
.page-about .about-stats__value{
  margin:0;
  font-family:var(--font-mono);
  font-size:clamp(18px,2.6vw,22px);
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink-green);
}
.page-about .about-stats__value--hot{color:var(--summer);}

/* ---------- 通用区块 ---------- */
.page-about .section{
  padding:clamp(42px,6.5vw,80px) 0;
  scroll-margin-top:96px;
}
.page-about .section__head{
  max-width:74ch;
  margin-bottom:clamp(22px,4vw,42px);
}
.page-about .eyebrow{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--summer);
}
.page-about .section__title{
  margin:10px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(24px,3.9vw,36px);
  line-height:1.22;
  letter-spacing:-.01em;
  color:var(--ink-green);
}
.page-about .section__lead{
  margin:14px 0 0;
  font-size:16px;
  line-height:1.78;
  color:rgba(34,27,23,.78);
}

/* ---------- 起点 ---------- */
.page-about .about-origin__grid{gap:clamp(14px,2.4vw,22px);}
.page-about .about-origin__block{
  position:relative;
  padding:clamp(20px,3vw,28px) clamp(18px,2.6vw,24px);
  padding-left:clamp(23px,3vw,30px);
  border:1px solid var(--ab-hair);
  border-radius:var(--radius);
  background:var(--ab-card);
  box-shadow:var(--ab-shadow);
}
.page-about .about-origin__block::before{
  content:"";
  position:absolute;
  left:0;
  top:20px;
  bottom:20px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--spring);
}
.page-about .about-origin__block:nth-child(2)::before{background:var(--summer);}
.page-about .about-origin__block:nth-child(3)::before{background:var(--ice);}
.page-about .about-origin__title{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(17px,2.3vw,20px);
  line-height:1.35;
  color:var(--ink-green);
}
.page-about .about-origin__text{
  margin:10px 0 0;
  font-size:15px;
  line-height:1.76;
  color:rgba(34,27,23,.78);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:14px;
}
.page-about .about-role{
  --role-c:var(--spring);
  padding:22px 18px 20px;
  border:1px solid var(--ab-hair);
  border-top:4px solid var(--role-c);
  border-radius:var(--radius);
  background:var(--ab-card);
  box-shadow:var(--ab-shadow);
}
.page-about .about-role--summer{--role-c:var(--summer);}
.page-about .about-role--autumn{--role-c:var(--amber);}
.page-about .about-role--winter{--role-c:var(--ice);}
.page-about .about-role__tag{
  margin:0 0 10px;
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(34,27,23,.62);
}
.page-about .about-role__tag::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--role-c);
}
.page-about .about-role__title{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(20px,2.8vw,24px);
  color:var(--ink-green);
}
.page-about .about-role__desc{
  margin:10px 0 0;
  font-size:14.5px;
  line-height:1.74;
  color:rgba(34,27,23,.76);
}

/* ---------- 图片位 ---------- */
.page-about .media-frame{margin:0;max-width:100%;}
.page-about .media-frame__img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  border-radius:var(--radius);
  object-fit:cover;
  border:1px solid var(--ab-hair);
  box-shadow:var(--ab-shadow);
}
.page-about .media-frame__caption{
  margin:10px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.03em;
  color:rgba(34,27,23,.6);
}
.page-about .about-media{margin-top:clamp(24px,4vw,40px);}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline__layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(26px,4vw,48px);
}
.page-about .about-timeline__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:0;
}
.page-about .about-timeline__item{
  position:relative;
  display:grid;
  grid-template-columns:60px minmax(0,1fr);
  gap:16px;
  padding-bottom:26px;
}
.page-about .about-timeline__item::before{
  content:"";
  position:absolute;
  left:29px;
  top:64px;
  bottom:0;
  width:2px;
  background:linear-gradient(180deg,rgba(34,27,23,.18),rgba(34,27,23,.04));
}
.page-about .about-timeline__item:last-child{padding-bottom:0;}
.page-about .about-timeline__item:last-child::before{display:none;}
.page-about .about-timeline__round{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:60px;
  height:60px;
  border-radius:50%;
  background:var(--ink-green);
  color:var(--yellow);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.01em;
  box-shadow:0 0 0 4px var(--paper), 0 0 0 5px rgba(34,27,23,.1);
}
.page-about .about-timeline__item--now .about-timeline__round{
  background:var(--summer);
  color:#FFF7EE;
  box-shadow:0 0 0 4px var(--paper), 0 0 0 5px rgba(228,87,46,.34);
}
.page-about .about-timeline__body{padding-top:4px;padding-bottom:4px;}
.page-about .about-timeline__title{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(17px,2.5vw,21px);
  line-height:1.34;
  color:var(--ink-green);
}
.page-about .about-timeline__text{
  margin:8px 0 0;
  max-width:64ch;
  font-size:15px;
  line-height:1.76;
  color:rgba(34,27,23,.78);
}
.page-about .about-timeline__media{margin:0;}

/* ---------- 内容来源 ---------- */
.page-about .about-source__layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(24px,4vw,44px);
}
.page-about .about-source__text{
  margin:0 0 16px;
  max-width:66ch;
  font-size:16px;
  line-height:1.78;
  color:rgba(34,27,23,.78);
}
.page-about .about-source__media{margin-top:clamp(8px,2vw,18px);}
.page-about .about-source__side{
  padding:clamp(20px,3vw,26px);
  border:1px solid rgba(231,236,234,.95);
  border-radius:var(--radius);
  background:rgba(231,236,234,.66);
  backdrop-filter:blur(6px);
  box-shadow:var(--ab-shadow);
  align-self:start;
}
.page-about .about-source__side-title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-green);
}
.page-about .about-flow{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}
.page-about .about-flow__item{
  display:grid;
  grid-template-columns:34px minmax(0,1fr);
  gap:12px;
  align-items:baseline;
  padding:12px 0;
  border-bottom:1px dashed rgba(34,27,23,.16);
}
.page-about .about-flow__item:last-child{border-bottom:0;padding-bottom:0;}
.page-about .about-flow__num{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  color:var(--amber);
}
.page-about .about-flow__txt{
  font-size:14.5px;
  line-height:1.7;
  color:rgba(34,27,23,.82);
}
.page-about .about-source__side-note{
  margin:16px 0 0;
  padding-top:14px;
  border-top:1px solid rgba(34,27,23,.12);
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.7;
  letter-spacing:.02em;
  color:rgba(34,27,23,.62);
}

/* ---------- 甘肃本地（深色） ---------- */
.page-about .about-local{
  padding:clamp(44px,7vw,84px) 0;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(47,230,200,.14), rgba(47,230,200,0) 60%),
    linear-gradient(160deg,#0E2A24 0%,#123329 62%,#0E2A24 100%);
  color:var(--paper);
}
.page-about .about-local .eyebrow{color:var(--neon);}
.page-about .about-local .section__title{color:var(--paper);}
.page-about .about-local .section__lead{color:rgba(246,239,226,.78);}
.page-about .about-local__stats{
  list-style:none;
  margin:clamp(20px,3.4vw,32px) 0 0;
  padding:0;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:14px;
}
.page-about .about-local__stat{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:18px 18px 16px;
  border:1px solid rgba(246,239,226,.2);
  border-radius:var(--radius);
  background:rgba(246,239,226,.06);
}
.page-about .about-local__num{
  font-family:var(--font-mono);
  font-size:clamp(28px,4.4vw,38px);
  font-weight:700;
  line-height:1;
  color:var(--neon);
}
.page-about .about-local__cap{
  font-size:14px;
  line-height:1.66;
  color:rgba(246,239,226,.84);
}
.page-about .about-local__addr{
  margin:clamp(20px,3vw,30px) 0 0;
  max-width:80ch;
  padding-top:18px;
  border-top:1px solid rgba(246,239,226,.18);
  font-size:14px;
  line-height:1.76;
  color:rgba(246,239,226,.7);
}

/* ---------- 里程碑 ---------- */
.page-about .about-honor__layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(24px,4vw,44px);
}
.page-about .about-honor__grid{gap:clamp(16px,2.6vw,24px);}
.page-about .about-honor__card{
  padding:clamp(20px,3vw,28px);
  border:1px solid var(--ab-hair);
  border-radius:var(--radius);
  background:
    linear-gradient(150deg, rgba(192,122,36,.12), rgba(246,239,226,0) 62%),
    var(--ab-card);
  box-shadow:var(--ab-shadow);
}
.page-about .about-honor__year{
  margin:0;
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--amber);
}
.page-about .about-honor__title{
  margin:12px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(17px,2.4vw,21px);
  line-height:1.36;
  color:var(--ink-green);
}
.page-about .about-honor__text{
  margin:10px 0 0;
  font-size:14.5px;
  line-height:1.76;
  color:rgba(34,27,23,.76);
}
.page-about .about-honor__side{
  padding:clamp(20px,3vw,26px);
  border:1px solid var(--ab-hair);
  border-radius:var(--radius);
  background:var(--ab-card);
  box-shadow:var(--ab-shadow);
  align-self:start;
}
.page-about .about-honor__side-title{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-green);
}
.page-about .about-honor__facts{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:0;
}
.page-about .about-honor__fact{
  display:flex;
  align-items:baseline;
  gap:14px;
  padding:11px 0;
  border-bottom:1px dashed rgba(34,27,23,.15);
  font-size:14.5px;
  line-height:1.6;
  color:rgba(34,27,23,.78);
}
.page-about .about-honor__fact:last-child{border-bottom:0;padding-bottom:0;}
.page-about .about-honor__fact-num{
  flex:0 0 auto;
  min-width:74px;
  font-family:var(--font-mono);
  font-size:15px;
  font-weight:700;
  color:var(--ink-green);
}

/* ---------- 结尾入口 ---------- */
.page-about .about-next{padding-bottom:clamp(52px,8vw,96px);}
.page-about .about-next__inner{
  padding:clamp(24px,4vw,40px);
  border-radius:var(--radius);
  border:1px solid var(--ab-hair);
  background:
    linear-gradient(120deg, rgba(127,178,74,.14), rgba(47,230,200,.1) 52%, rgba(143,199,223,.16)),
    var(--ab-card);
  box-shadow:var(--ab-shadow);
}
.page-about .about-next__title{
  margin:0;
  max-width:36ch;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(20px,3vw,28px);
  line-height:1.3;
  color:var(--ink-green);
}
.page-about .about-next__links{
  margin-top:20px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 响应式 ---------- */
@media (min-width:600px){
  .page-about .about-team__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (min-width:760px){
  .page-about .about-local__stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .page-about .about-timeline__item{grid-template-columns:72px minmax(0,1fr);gap:20px;}
  .page-about .about-timeline__round{width:72px;height:72px;font-size:14px;}
  .page-about .about-timeline__item::before{left:35px;top:76px;}
}

@media (min-width:960px){
  .page-about .about-hero__inner{
    grid-template-columns:minmax(0,1.42fr) minmax(0,.58fr);
  }
  .page-about .about-source__layout{
    grid-template-columns:minmax(0,1.5fr) minmax(0,.72fr);
    align-items:start;
  }
  .page-about .about-honor__layout{
    grid-template-columns:minmax(0,1.45fr) minmax(0,.75fr);
    align-items:start;
  }
}

@media (min-width:1000px){
  .page-about .about-timeline__layout{
    grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);
    align-items:start;
  }
  .page-about .about-timeline__media{
    position:sticky;
    top:104px;
  }
}

@media (min-width:1080px){
  .page-about .about-team__grid{grid-template-columns:repeat(4,minmax(0,1fr));}
}

@media (prefers-reduced-motion:reduce){
  .page-about .breadcrumb__item a{transition:none;}
  .page-about .about-timeline__media{position:static;}
}
<<<END>>>