.page-about{
  --about-rail:190px;
  --about-line:rgba(16,32,24,.14);
  --about-line-soft:rgba(16,32,24,.08);
  background:var(--ky-paper);
  color:var(--ky-text-ink);
}

/* ---------- 首屏档案封套 ---------- */
.page-about .about-hero{
  position:relative;
  margin-top:clamp(14px,2.4vw,26px);
  padding:clamp(24px,4vw,52px) clamp(20px,3.4vw,46px);
  background:
    radial-gradient(120% 150% at 92% 0%,rgba(198,161,91,.22),transparent 58%),
    linear-gradient(155deg,var(--ky-green-deep) 0%,var(--ky-ink) 100%);
  color:var(--ky-paper);
  border:1px solid rgba(198,161,91,.36);
  overflow:hidden;
}
.page-about .about-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(90deg,rgba(198,161,91,.16) 1px,transparent 1px),
    linear-gradient(rgba(198,161,91,.16) 1px,transparent 1px);
  background-size:46px 46px;
  opacity:.55;
  pointer-events:none;
  -webkit-mask-image:radial-gradient(120% 120% at 100% 100%,#000,transparent 72%);
  mask-image:radial-gradient(120% 120% at 100% 100%,#000,transparent 72%);
}
.page-about .about-hero > *{position:relative;z-index:1;}
.page-about .about-hero__eyebrow{
  margin:0 0 14px;
  font-family:var(--ky-font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  color:var(--ky-gold-soft);
  display:flex;
  align-items:center;
  gap:10px;
}
.page-about .about-hero__eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--ky-gold);
}
.page-about .about-hero__title{
  margin:0;
  font-family:var(--ky-font-display);
  font-weight:700;
  font-size:clamp(2.1rem,5vw,3.6rem);
  line-height:1.16;
  letter-spacing:.02em;
  color:var(--ky-paper);
}
.page-about .about-hero__lead{
  margin:18px 0 0;
  max-width:44ch;
  font-size:clamp(.98rem,1.4vw,1.08rem);
  line-height:1.85;
  color:rgba(243,235,221,.88);
}
.page-about .about-hero__meta{
  margin:clamp(22px,3.4vw,34px) 0 0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:rgba(198,161,91,.24);
  border:1px solid rgba(198,161,91,.24);
}
.page-about .about-hero__meta-item{
  background:rgba(8,25,18,.72);
  padding:14px 16px;
}
.page-about .about-hero__meta-item dt{
  font-family:var(--ky-font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  color:var(--ky-sage);
}
.page-about .about-hero__meta-item dd{
  margin:6px 0 0;
  font-family:var(--ky-font-display);
  font-size:1.6rem;
  font-weight:700;
  color:var(--ky-gold);
  line-height:1;
}

/* ---------- 主体双栏：左侧索引轨道 ---------- */
.page-about .about-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(18px,3vw,40px);
  padding-top:clamp(26px,4.4vw,58px);
  padding-bottom:clamp(40px,6vw,80px);
}
.page-about .about-rail{
  display:flex;
  flex-direction:column;
  gap:14px;
  border-bottom:1px solid var(--about-line);
  padding-bottom:14px;
}
.page-about .about-rail__label{
  margin:0 0 8px;
  font-family:var(--ky-font-mono);
  font-size:.7rem;
  letter-spacing:.2em;
  color:var(--ky-sage);
}
.page-about .about-rail__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:row;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.page-about .about-rail__link{
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:7px 11px;
  white-space:nowrap;
  font-size:.88rem;
  color:var(--ky-text-ink);
  text-decoration:none;
  border:1px solid var(--about-line);
  background:rgba(255,255,255,.32);
  transition:border-color .2s var(--ky-ease),color .2s var(--ky-ease),background .2s var(--ky-ease);
}
.page-about .about-rail__no{
  font-family:var(--ky-font-mono);
  font-size:.72rem;
  color:var(--ky-gold-deep);
}
.page-about .about-rail__link--year{
  font-family:var(--ky-font-mono);
  font-size:.78rem;
  letter-spacing:.06em;
  padding:5px 9px;
}
.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible{
  border-color:var(--ky-gold);
  color:var(--ky-gold-deep);
  outline:none;
}
.page-about .about-rail__link[aria-current="true"]{
  border-color:var(--ky-gold);
  background:rgba(198,161,91,.16);
  color:var(--ky-gold-deep);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-body{min-width:0;}
.page-about .about-sec{
  padding-top:clamp(26px,3.6vw,46px);
  margin-top:clamp(26px,3.6vw,46px);
  border-top:1px solid var(--about-line);
  scroll-margin-top:calc(var(--ky-header-h) + 26px);
}
.page-about .about-sec:first-child{
  border-top:0;
  margin-top:0;
  padding-top:0;
}
.page-about .about-sec__head{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin-bottom:16px;
}
.page-about .about-sec__no{
  font-family:var(--ky-font-mono);
  font-size:1.35rem;
  font-weight:700;
  line-height:1.1;
  color:var(--ky-gold);
  padding-top:2px;
}
.page-about .about-sec__title{
  margin:0;
  font-family:var(--ky-font-display);
  font-size:clamp(1.3rem,2.5vw,1.85rem);
  line-height:1.28;
  color:var(--ky-text-ink);
}
.page-about .about-intro{margin:0 0 22px;}
.page-about .about-copy{min-width:0;}
.page-about .about-inline-link{margin:20px 0 0;}

/* ---------- 定位：图文错位 ---------- */
.page-about .about-split{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(18px,2.6vw,32px);
  align-items:start;
}
.page-about .about-seal{
  margin:0;
  border:1px solid rgba(198,161,91,.42);
  background:var(--ky-green-deep);
}
.page-about .about-seal img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
  aspect-ratio:1 / 1;
}
.page-about .about-seal .ky-media__caption{
  font-family:var(--ky-font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--ky-gold-soft);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline{
  list-style:none;
  margin:26px 0 0;
  padding:0 0 0 24px;
  position:relative;
}
.page-about .about-timeline::before{
  content:"";
  position:absolute;
  left:4px;
  top:8px;
  bottom:8px;
  width:1px;
  background:linear-gradient(180deg,var(--ky-gold),rgba(198,161,91,.18));
}
.page-about .about-node{
  position:relative;
  padding:0 0 clamp(18px,2.6vw,26px) 2px;
  scroll-margin-top:calc(var(--ky-header-h) + 26px);
}
.page-about .about-node::before{
  content:"";
  position:absolute;
  left:-24px;
  top:6px;
  width:9px;
  height:9px;
  background:var(--ky-paper);
  border:1px solid var(--ky-gold);
  transition:background .2s var(--ky-ease),box-shadow .2s var(--ky-ease);
}
.page-about .about-node[aria-current="true"]::before{
  background:var(--ky-gold);
  box-shadow:0 0 0 4px rgba(198,161,91,.2);
}
.page-about .about-node__year{
  margin:0;
  font-family:var(--ky-font-mono);
  font-size:.86rem;
  letter-spacing:.16em;
  color:var(--ky-gold-deep);
}
.page-about .about-node__title{
  margin:6px 0 6px;
  font-family:var(--ky-font-display);
  font-size:1.08rem;
  line-height:1.4;
  color:var(--ky-text-ink);
}
.page-about .about-node__text{
  margin:0;
  max-width:42ch;
  font-size:.95rem;
  line-height:1.8;
  color:rgba(16,32,24,.78);
}

.page-about .about-figure{
  margin:26px 0 0;
  border:1px solid var(--about-line);
  background:var(--ky-green-deep);
}
.page-about .about-figure--tight{margin-top:22px;}
.page-about .about-figure img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
}
.page-about .about-figure figcaption{
  padding:9px 14px;
  font-family:var(--ky-font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--ky-gold-soft);
  border-top:1px solid rgba(198,161,91,.24);
}

/* ---------- 团队四象限 ---------- */
.page-about .about-matrix{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:1px;
  background:var(--about-line);
  border:1px solid var(--about-line);
}
.page-about .about-cell{
  background:var(--ky-paper);
  padding:18px 18px 20px;
  position:relative;
  transition:background .2s var(--ky-ease);
}
.page-about .about-cell::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:0;
  height:2px;
  background:var(--ky-gold);
  transition:width .24s var(--ky-ease);
}
.page-about .about-cell:hover,
.page-about .about-cell:focus-within{background:#FBF6EC;}
.page-about .about-cell:hover::before,
.page-about .about-cell:focus-within::before{width:100%;}
.page-about .about-cell:focus-visible{outline:2px solid var(--ky-gold);outline-offset:-2px;}
.page-about .about-cell__tag{
  margin:0 0 6px;
  font-family:var(--ky-font-mono);
  font-size:.72rem;
  letter-spacing:.18em;
  color:var(--ky-crimson);
}
.page-about .about-cell__name{
  margin:0 0 8px;
  font-family:var(--ky-font-display);
  font-size:1.12rem;
  line-height:1.35;
  color:var(--ky-text-ink);
}
.page-about .about-cell__duty{
  margin:0;
  font-size:.94rem;
  line-height:1.78;
  color:rgba(16,32,24,.82);
}
.page-about .about-cell__more{
  margin:12px 0 0;
  padding-left:10px;
  border-left:1px solid var(--ky-gold);
  font-size:.86rem;
  line-height:1.72;
  color:var(--ky-gold-deep);
}

/* ---------- 段位速览 ---------- */
.page-about .about-panel{
  background:var(--ky-green-deep);
  border:1px solid rgba(198,161,91,.36);
  color:var(--ky-paper);
}
.page-about .about-panel .ky-panel__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.page-about .about-panel .ky-panel__title{
  font-family:var(--ky-font-display);
  font-size:1.02rem;
  color:var(--ky-paper);
}
.page-about .about-stats{
  margin:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:rgba(198,161,91,.22);
}
.page-about .about-stat{
  background:rgba(8,25,18,.55);
  padding:12px 14px;
}
.page-about .about-stat dt{
  font-family:var(--ky-font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--ky-sage);
}
.page-about .about-stat dd{
  margin:6px 0 0;
  font-family:var(--ky-font-display);
  font-size:1.18rem;
  font-weight:700;
  color:var(--ky-gold-soft);
  line-height:1.2;
}

/* ---------- 维护表 ---------- */
.page-about .about-table{margin-top:8px;border:1px solid var(--about-line);}
.page-about .about-table .ky-table{min-width:520px;}
.page-about .about-table .ky-table caption{
  padding:10px 14px;
  text-align:left;
  font-family:var(--ky-font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  color:var(--ky-sage);
  background:rgba(255,255,255,.4);
  border-bottom:1px solid var(--about-line);
}
.page-about .about-table .ky-table th,
.page-about .about-table .ky-table td{
  padding:11px 14px;
  font-size:.9rem;
  line-height:1.65;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--about-line-soft);
}
.page-about .about-table .ky-table tbody th{
  font-family:var(--ky-font-mono);
  font-size:.82rem;
  color:var(--ky-gold-deep);
  white-space:nowrap;
}
.page-about .about-table .ky-table tbody tr:last-child th,
.page-about .about-table .ky-table tbody tr:last-child td{border-bottom:0;}

/* ---------- 延伸入口 ---------- */
.page-about .about-links{
  list-style:none;
  margin:24px 0 0;
  padding:0;
  border-top:1px solid var(--about-line);
}
.page-about .about-links__item{border-bottom:1px solid var(--about-line);}
.page-about .about-links__link{
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-areas:
    "label arrow"
    "desc arrow";
  gap:2px 14px;
  align-items:center;
  padding:14px 4px 14px 0;
  text-decoration:none;
  color:var(--ky-text-ink);
  transition:padding-left .2s var(--ky-ease),color .2s var(--ky-ease);
}
.page-about .about-links__link:hover,
.page-about .about-links__link:focus-visible{
  padding-left:10px;
  color:var(--ky-gold-deep);
  outline:none;
}
.page-about .about-links__label{
  grid-area:label;
  font-family:var(--ky-font-display);
  font-size:1.05rem;
  font-weight:700;
}
.page-about .about-links__desc{
  grid-area:desc;
  font-size:.86rem;
  line-height:1.7;
  color:rgba(16,32,24,.66);
}
.page-about .about-links__arrow{
  grid-area:arrow;
  font-family:var(--ky-font-mono);
  color:var(--ky-gold);
  font-size:1rem;
}

/* ---------- 收束区块 ---------- */
.page-about .about-cta{
  margin-top:clamp(26px,3.6vw,40px);
  padding:clamp(20px,3vw,32px);
  background:linear-gradient(150deg,var(--ky-green-room) 0%,var(--ky-ink) 100%);
  border:1px solid rgba(198,161,91,.32);
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:18px;
  align-items:center;
  color:var(--ky-paper);
}
.page-about .about-cta__title{
  margin:0 0 8px;
  font-family:var(--ky-font-display);
  font-size:clamp(1.12rem,2vw,1.4rem);
  line-height:1.35;
  color:var(--ky-paper);
}
.page-about .about-cta p{
  margin:0;
  font-size:.92rem;
  line-height:1.75;
  color:rgba(243,235,221,.8);
}
.page-about .about-cta__actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width:720px){
  .page-about .about-hero__meta{grid-template-columns:repeat(4,minmax(0,1fr));}
  .page-about .about-matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
  .page-about .about-cta{grid-template-columns:minmax(0,1fr) auto;}
  .page-about .about-cell__more{
    max-height:0;
    opacity:0;
    overflow:hidden;
    transition:max-height .24s var(--ky-ease),opacity .24s var(--ky-ease),margin .24s var(--ky-ease);
    margin-top:0;
  }
  .page-about .about-cell:hover .about-cell__more,
  .page-about .about-cell:focus-within .about-cell__more{
    max-height:160px;
    opacity:1;
    margin-top:12px;
  }
}

@media (min-width:960px){
  .page-about .about-split{
    grid-template-columns:minmax(0,.82fr) minmax(0,1.6fr);
    gap:clamp(22px,3vw,40px);
  }
  .page-about .about-split--reverse{
    grid-template-columns:minmax(0,1.6fr) minmax(0,.9fr);
  }
  .page-about .about-split--reverse .about-panel{order:2;}
}

@media (min-width:1024px){
  .page-about .about-shell{
    grid-template-columns:var(--about-rail) minmax(0,1fr);
    gap:clamp(32px,4vw,60px);
  }
  .page-about .about-rail{
    position:sticky;
    top:calc(var(--ky-header-h) + 22px);
    align-self:start;
    max-height:calc(100vh - var(--ky-header-h) - 44px);
    overflow-y:auto;
    border-bottom:0;
    border-right:1px solid var(--about-line);
    padding:0 18px 8px 0;
  }
  .page-about .about-rail__list{
    flex-direction:column;
    overflow:visible;
    gap:2px;
  }
  .page-about .about-rail__list--year{
    flex-direction:row;
    flex-wrap:wrap;
    gap:6px;
  }
  .page-about .about-rail__link{
    display:flex;
    width:100%;
    border:0;
    border-left:2px solid transparent;
    background:transparent;
    padding:7px 0 7px 10px;
  }
  .page-about .about-rail__link--year{
    width:auto;
    border:1px solid var(--about-line);
    padding:4px 8px;
    font-size:.74rem;
  }
  .page-about .about-rail__link[aria-current="true"]{
    border-left-color:var(--ky-gold);
    background:rgba(198,161,91,.12);
  }
  .page-about .about-rail__link--year[aria-current="true"]{
    border-color:var(--ky-gold);
  }
}

@media (prefers-reduced-motion:reduce){
  .page-about .about-cell__more,
  .page-about .about-cell::before,
  .page-about .about-links__link,
  .page-about .about-node::before{
    transition:none;
  }
}

@media print{
  .page-about .about-rail,
  .page-about .about-cta,
  .page-about .about-hero::after{display:none;}
  .page-about .about-table .ky-table{min-width:0;}
}
<<<END>>>