.page-about{
  padding-top:0;
}

/* ============ 首屏 ============ */
.page-about .about-hero{
  position:relative;
  padding:calc(var(--header-h) + 26px) 0 44px;
  background:var(--cream);
  border-bottom:1px solid var(--hair);
  overflow:hidden;
}
.page-about .about-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(31,61,51,.055) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(31,61,51,.045) 0 1px, transparent 1px 88px);
  pointer-events:none;
}
.page-about .about-hero .container{
  position:relative;
  z-index:1;
}
.page-about .about-hero__inner{
  display:grid;
  gap:28px;
  border:1px solid var(--hair-strong);
  background:rgba(255,253,247,.62);
  padding:22px 18px 24px;
}
.page-about .about-hero__lead{
  min-width:0;
}
.page-about .about-hero h1{
  margin:14px 0 0;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(30px, 7.2vw, 64px);
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--ink-green);
  max-width:13em;
}
.page-about .about-hero__hl{
  background:linear-gradient(180deg, transparent 66%, var(--apricot) 66%, var(--apricot) 92%, transparent 92%);
  padding:0 .06em;
}
.page-about .about-hero__intro{
  margin:18px 0 0;
  max-width:34em;
  font-size:15.5px;
  line-height:1.85;
  color:var(--moss);
}
.page-about .about-hero__intro--second{
  margin-top:10px;
}
.page-about .about-hero__marks{
  list-style:none;
  margin:24px 0 0;
  padding:0;
  border-top:1px solid var(--hair);
  max-width:38em;
}
.page-about .about-hero__marks li{
  display:flex;
  gap:12px;
  align-items:baseline;
  padding:9px 0;
  border-bottom:1px solid var(--hair);
  font-size:14px;
  line-height:1.6;
  color:var(--ink-green);
}
.page-about .about-hero__marks .mono{
  flex:none;
  font-size:11px;
  letter-spacing:.08em;
  color:var(--apricot-deep);
}
.page-about .about-hero__figure{
  margin:0;
  min-width:0;
}
.page-about .about-hero__figure .plate{
  border:1px solid var(--hair-strong);
}
.page-about .about-hero__figure .plate__caption{
  margin-top:8px;
}

/* ============ 通用小节头 ============ */
.page-about .about-head{
  margin-bottom:30px;
}
.page-about .about-head h2{
  margin:10px 0 0;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(24px, 4.6vw, 36px);
  line-height:1.3;
  color:var(--ink-green);
}
.page-about .about-head__note{
  margin:12px 0 0;
  max-width:36em;
  font-size:15px;
  line-height:1.85;
  color:var(--moss);
}
.page-about .about-head--invert h2{
  color:var(--cream);
}
.page-about .about-head--invert .eyebrow{
  color:var(--apricot);
}

/* ============ 时间轴 ============ */
.page-about .about-axis{
  background:var(--cream);
}
.page-about .about-axis__list{
  list-style:none;
  margin:0;
  padding:0;
  position:relative;
}
.page-about .about-axis__list::before{
  content:"";
  position:absolute;
  left:13px;
  top:10px;
  bottom:34px;
  width:1px;
  background:linear-gradient(180deg, var(--hair-strong), rgba(154,143,122,.35));
}
.page-about .about-axis__item{
  position:relative;
  padding:0 0 30px 44px;
}
.page-about .about-axis__no{
  position:absolute;
  left:0;
  top:0;
  width:27px;
  height:27px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--apricot);
  color:var(--ink);
  font-size:11px;
  letter-spacing:.04em;
  box-shadow:0 0 0 1px rgba(31,61,51,.2);
}
.page-about .about-axis__no::after{
  content:"";
  position:absolute;
  right:0;
  bottom:0;
  width:8px;
  height:8px;
  background:rgba(18,33,28,.34);
  clip-path:polygon(100% 0, 100% 100%, 0 100%);
}
.page-about .about-axis__title{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:18px;
  line-height:1.45;
  color:var(--ink-green);
}
.page-about .about-axis__body p{
  margin:0;
  max-width:36em;
  font-size:15px;
  line-height:1.85;
  color:var(--moss);
}
.page-about .about-axis__item--figure{
  padding-bottom:34px;
}
.page-about .about-axis__figure{
  margin:0;
}
.page-about .about-axis__figure .plate{
  border:1px solid var(--hair-strong);
  background:var(--paper);
}
.page-about .about-axis__figure .plate__caption{
  margin-top:8px;
}

/* ============ 团队分工主题带 ============ */
.page-about .about-team{
  border-top:1px solid var(--hair);
  border-bottom:1px solid var(--hair);
}
.page-about .about-team__grid{
  display:grid;
  gap:28px;
}
.page-about .about-team__figure{
  margin:0;
  min-width:0;
}
.page-about .about-team__figure .plate{
  border:1px solid var(--hair-strong);
}
.page-about .about-team__figure .plate__caption{
  margin-top:8px;
}
.page-about .about-team__copy{
  min-width:0;
}
.page-about .about-team__copy h2{
  margin:10px 0 0;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(24px, 4.6vw, 36px);
  line-height:1.3;
  color:var(--ink-green);
}
.page-about .about-team__lead{
  margin:14px 0 0;
  max-width:34em;
  font-size:15px;
  line-height:1.85;
  color:var(--moss);
}
.page-about .about-flow{
  margin-top:26px;
  border-top:1px solid var(--hair-strong);
}
.page-about .about-flow__item{
  border-bottom:1px solid var(--hair-strong);
}
.page-about .about-flow__summary{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:13px 2px;
  cursor:pointer;
  list-style:none;
}
.page-about .about-flow__summary::-webkit-details-marker{
  display:none;
}
.page-about .about-flow__summary::marker{
  content:"";
}
.page-about .about-flow__no{
  flex:none;
  font-size:11px;
  letter-spacing:.08em;
  color:var(--apricot-deep);
}
.page-about .about-flow__name{
  flex:1 1 auto;
  font-family:var(--font-display);
  font-weight:600;
  font-size:16.5px;
  color:var(--ink-green);
}
.page-about .about-flow__plus{
  flex:none;
  position:relative;
  width:12px;
  height:12px;
  align-self:center;
}
.page-about .about-flow__plus::before,
.page-about .about-flow__plus::after{
  content:"";
  position:absolute;
  background:var(--ink-green);
  opacity:.55;
}
.page-about .about-flow__plus::before{
  left:0;
  top:5px;
  width:12px;
  height:1px;
}
.page-about .about-flow__plus::after{
  top:0;
  left:5px;
  width:1px;
  height:12px;
  transition:transform 240ms var(--ease), opacity 240ms var(--ease);
}
.page-about .about-flow__item[open] .about-flow__plus::after{
  transform:scaleY(0);
  opacity:0;
}
.page-about .about-flow__body{
  padding:0 2px 16px;
}
.page-about .about-flow__body p{
  margin:0;
  max-width:34em;
  font-size:14.5px;
  line-height:1.85;
  color:var(--moss);
}

/* ============ 目录重整 ============ */
.page-about .about-rebuild__grid{
  display:grid;
  gap:26px;
}
.page-about .about-rebuild__copy h2{
  margin:10px 0 0;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(24px, 4.6vw, 36px);
  line-height:1.3;
  color:var(--ink-green);
}
.page-about .about-rebuild__copy p{
  margin:14px 0 0;
  max-width:34em;
  font-size:15px;
  line-height:1.85;
  color:var(--moss);
}
.page-about .about-rebuild__panel{
  border:1px solid var(--hair-strong);
  background:var(--cream);
  padding:18px 16px 20px;
}
.page-about .about-rebuild__panel-title{
  margin:0 0 12px;
  font-size:11px;
  letter-spacing:.1em;
  color:var(--ink-green);
  padding-bottom:10px;
  border-bottom:1px solid var(--hair);
}
.page-about .about-rebuild__list{
  margin:0;
  padding:0;
}
.page-about .about-rebuild__row{
  padding:10px 0;
  border-bottom:1px dashed rgba(154,143,122,.6);
}
.page-about .about-rebuild__row:last-child{
  border-bottom:0;
}
.page-about .about-rebuild__row dt{
  font-size:14px;
  font-weight:600;
  color:var(--ink-green);
}
.page-about .about-rebuild__row dd{
  margin:4px 0 0;
  font-size:13.5px;
  line-height:1.75;
  color:var(--moss);
}
.page-about .about-rebuild__link{
  display:inline-block;
  margin-top:14px;
  font-size:14px;
  color:var(--apricot-deep);
  text-decoration:none;
  border-bottom:1px solid currentColor;
  padding-bottom:2px;
}
.page-about .about-rebuild__link:hover,
.page-about .about-rebuild__link:focus-visible{
  color:var(--ink-green);
}

/* ============ 数字概览 ============ */
.page-about .about-figures{
  background:var(--ink);
  color:var(--cream);
}
.page-about .about-figures__grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:1px;
  background:rgba(232,220,200,.22);
  border:1px solid rgba(232,220,200,.22);
}
.page-about .about-figure{
  background:var(--ink);
  padding:20px 16px 22px;
  min-width:0;
}
.page-about .about-figure__num{
  display:inline-block;
  font-size:clamp(28px, 6vw, 40px);
  line-height:1.1;
  color:var(--apricot);
  letter-spacing:.01em;
}
.page-about .about-figure__unit{
  display:inline-block;
  margin-left:6px;
  font-size:12px;
  color:rgba(232,220,200,.78);
}
.page-about .about-figure__label{
  margin:10px 0 0;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(232,220,200,.8);
}
.page-about .about-figures__foot{
  margin:22px 0 0;
  font-size:14px;
  line-height:1.8;
  color:rgba(232,220,200,.78);
}
.page-about .about-figures__mail{
  color:var(--apricot);
  text-decoration:none;
  border-bottom:1px solid rgba(242,169,59,.55);
}
.page-about .about-figures__mail:hover,
.page-about .about-figures__mail:focus-visible{
  color:var(--sheet);
  border-bottom-color:var(--sheet);
}

/* ============ 更新节奏 ============ */
.page-about .about-cadence{
  background:var(--cream);
}
.page-about .about-cadence__grid{
  display:grid;
  gap:26px;
}
.page-about .about-cadence__copy h2{
  margin:10px 0 0;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(24px, 4.6vw, 34px);
  line-height:1.3;
  color:var(--ink-green);
}
.page-about .about-cadence__copy p{
  margin:14px 0 0;
  max-width:33em;
  font-size:15px;
  line-height:1.85;
  color:var(--moss);
}
.page-about .about-cadence__list{
  list-style:none;
  margin:0;
  padding:0;
  border-top:1px solid var(--hair-strong);
}
.page-about .about-cadence__row{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--hair);
}
.page-about .about-cadence__key{
  flex:none;
  width:38px;
  padding-top:2px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--apricot-deep);
}
.page-about .about-cadence__title{
  margin:0;
  font-size:15px;
  font-weight:600;
  color:var(--ink-green);
}
.page-about .about-cadence__text{
  margin:5px 0 0;
  font-size:14px;
  line-height:1.8;
  color:var(--moss);
}

/* ============ 继续翻页 ============ */
.page-about .about-next{
  padding-top:0;
}
.page-about .about-next .pager{
  border-top:1px solid var(--hair-strong);
  padding-top:8px;
}

/* ============ 桌面 ============ */
@media (min-width:760px){
  .page-about .about-hero__marks li{
    padding:10px 0;
  }
  .page-about .about-axis__item{
    padding-left:66px;
  }
  .page-about .about-axis__list::before{
    left:16px;
  }
  .page-about .about-axis__no{
    width:32px;
    height:32px;
    font-size:12px;
  }
  .page-about .about-figures__grid{
    grid-template-columns:repeat(3, minmax(0,1fr));
  }
  .page-about .about-figure{
    padding:24px 20px 26px;
  }
}

@media (min-width:920px){
  .page-about .about-hero{
    padding:calc(var(--header-h) + 34px) 0 56px;
  }
  .page-about .about-hero__inner{
    grid-template-columns:minmax(0,1.32fr) minmax(0,.82fr);
    gap:44px;
    align-items:start;
    padding:28px 26px 30px;
  }
  .page-about .about-hero__intro{
    font-size:16px;
  }
  .page-about .about-team__grid{
    grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);
    gap:44px;
    align-items:start;
  }
  .page-about .about-flow{
    display:grid;
    grid-template-columns:repeat(3, minmax(0,1fr));
    border-top:1px solid var(--hair-strong);
    border-bottom:1px solid var(--hair-strong);
  }
  .page-about .about-flow__item{
    border-bottom:0;
    border-left:1px solid var(--hair);
    padding:0 14px;
  }
  .page-about .about-flow__item:first-child{
    border-left:0;
    padding-left:0;
  }
  .page-about .about-flow__item:last-child{
    padding-right:0;
  }
  .page-about .about-flow__summary{
    flex-wrap:wrap;
    gap:6px 10px;
    padding:14px 0;
  }
  .page-about .about-flow__plus{
    margin-left:auto;
  }
  .page-about .about-flow__body{
    padding:0 0 16px;
  }
  .page-about .about-rebuild__grid{
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    gap:44px;
    align-items:start;
  }
  .page-about .about-cadence__grid{
    grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
    gap:48px;
    align-items:start;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-about .about-flow__plus::after{
    transition:none;
  }
}
<<<END>>>