.page-about{
  --about-node-bg: var(--paper);
  --about-muted: rgba(28,35,32,.66);
  --about-strong: var(--ink);
  --about-line: rgba(194,161,90,.32);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(40px,6vw,80px);
}
.page-about .about-intro{
  padding: clamp(26px,4.5vw,54px) 0 clamp(18px,3vw,32px);
}
.page-about .about-intro__inner{
  max-width: 900px;
}
.page-about h1.h-display{
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px,5.2vw,54px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-about .about-intro__lead{
  max-width: 60ch;
  color: var(--about-muted);
  font-size: clamp(15px,1.6vw,17px);
  line-height: 1.8;
}
.page-about .about-figures{
  list-style: none;
  margin: clamp(24px,4vw,40px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--about-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 16px 20px;
}
.page-about .about-figures__item{
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.page-about .about-figures__num{
  font-family: var(--font-mono);
  font-size: clamp(22px,2.6vw,28px);
  font-weight: 700;
  color: var(--archive-green);
  letter-spacing: .02em;
}
.page-about .about-figures__label{
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* 章节目录条 */
.page-about .about-toc{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  padding: 16px 0;
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}
.page-about .about-toc__label{
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--gold);
  text-transform: uppercase;
}
.page-about .about-toc__list{
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .about-toc__list .toc-link{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--about-muted);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-about .about-toc__list .toc-link:hover,
.page-about .about-toc__list .toc-link:focus-visible{
  color: var(--ink);
  border-bottom-color: var(--gold);
}
.page-about .about-toc__list .toc-link[aria-current="true"]{
  color: var(--ink);
  font-weight: 700;
  border-bottom-color: var(--cinnabar);
}

/* 分区 */
.page-about .about-section{
  padding: clamp(44px,7vw,86px) 0;
  position: relative;
}
.page-about .about-section--paper{
  background: var(--paper);
}
.page-about .about-section--dim{
  background: var(--paper-dim);
}
.page-about .about-section--ink{
  --about-muted: rgba(245,240,230,.72);
  --about-strong: var(--paper);
  --about-node-bg: var(--archive-green);
  background: linear-gradient(160deg, var(--archive-green) 0%, var(--ink-green) 72%);
  color: var(--paper);
  border-top: 1px solid rgba(194,161,90,.28);
  border-bottom: 1px solid rgba(194,161,90,.28);
}
.page-about .about-section--ink .about-figure{
  border-color: rgba(194,161,90,.34);
}
.page-about .about-head{
  max-width: 780px;
  margin-bottom: clamp(24px,3.6vw,40px);
}
.page-about .about-eyebrow{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--gold-light);
}
.page-about .about-eyebrow--ink{
  color: var(--cinnabar);
}
.page-about h2.about-h2{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px,3.4vw,38px);
  line-height: 1.24;
  color: var(--about-strong);
}
.page-about .about-lede{
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--about-muted);
}

@media (min-width: 1024px){
  .page-about .about-offset{
    padding-left: 56px;
  }
}

/* 图片框 */
.page-about .about-figure{
  margin: 0 0 clamp(28px,4vw,44px);
  border: 1px solid var(--about-line);
  overflow: hidden;
}
.page-about .about-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-about .about-figure .figure-frame__cap{
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--about-muted);
  border-top: 1px solid var(--about-line);
}
.page-about .about-figure--band{
  margin-bottom: clamp(26px,3.6vw,40px);
}
.page-about .about-figure--side{
  margin-bottom: 0;
}

/* 时间轴 */
.page-about .about-timeline{
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 0 30px;
}
.page-about .about-timeline::before{
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(194,161,90,.25) 100%);
}
.page-about .about-stage{
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 24px;
  padding-bottom: clamp(26px,4vw,46px);
}
.page-about .about-stage:last-child{
  padding-bottom: 0;
}
.page-about .about-stage::before{
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--about-node-bg);
}
.page-about .about-stage__marker{
  min-width: 0;
}
.page-about .about-stage__no{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--gold);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  line-height: 1;
}
.page-about .about-stage__year{
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-light);
}
.page-about .about-stage__title{
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px,2.3vw,24px);
  line-height: 1.32;
  color: var(--about-strong);
}
.page-about .about-stage__body p{
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-muted);
  max-width: 62ch;
}
.page-about .about-stage__more{
  max-width: 62ch;
  border-left: 2px solid rgba(194,161,90,.45);
  padding-left: 12px;
}
.page-about .about-stage__more summary{
  cursor: pointer;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--gold-light);
  list-style: none;
}
.page-about .about-stage__more summary::-webkit-details-marker{
  display: none;
}
.page-about .about-stage__more summary::before{
  content: "＋ ";
  font-family: var(--font-mono);
}
.page-about .about-stage__more[open] summary::before{
  content: "－ ";
}
.page-about .about-stage__more p{
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-muted);
}

@media (min-width: 760px){
  .page-about .about-stage{
    grid-template-columns: 56px minmax(0,1fr);
    gap: 0 28px;
    padding-bottom: clamp(30px,4.4vw,52px);
  }
  .page-about .about-stage__marker{
    padding-top: 2px;
  }
  .page-about .about-stage__no{
    font-size: 12px;
  }
}

/* 团队四列 */
.page-about .about-team{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.page-about .about-team__item{
  border-top: 1px solid var(--about-line);
  padding: 20px 4px 26px;
  transition: background-color .24s var(--ease), border-color .24s var(--ease), transform .24s var(--ease);
}
.page-about .about-team__item:hover{
  background: rgba(194,161,90,.08);
  border-top-color: var(--cinnabar);
  transform: translateY(-3px);
}
.page-about .about-team__no{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--mist);
}
.page-about .about-team__name{
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
}
.page-about .about-team__desc{
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-muted);
}
.page-about .about-team__out{
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--archive-green);
  padding-top: 10px;
  border-top: 1px dashed rgba(194,161,90,.4);
}

@media (min-width: 720px){
  .page-about .about-team{
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 0 28px;
  }
}
@media (min-width: 1080px){
  .page-about .about-team{
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 0 24px;
  }
  .page-about .about-team__item{
    padding: 22px 8px 28px;
  }
}

/* 校订 */
.page-about .about-revision{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px,3.6vw,44px);
  align-items: start;
}
.page-about .about-points{
  list-style: none;
  margin: clamp(18px,2.6vw,26px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-about .about-points li{
  position: relative;
  padding-left: 20px;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--about-muted);
}
.page-about .about-points li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 1px;
  background: var(--cinnabar);
}
.page-about .about-points strong{
  color: var(--ink);
  font-weight: 700;
}

@media (min-width: 900px){
  .page-about .about-revision{
    grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr);
    gap: 56px;
  }
  .page-about .about-revision__text{
    padding-right: 12px;
  }
}

/* 供稿网络 */
.page-about .about-network{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px,4vw,48px);
  align-items: start;
}
.page-about .about-network__title{
  margin: 0 0 14px;
  color: var(--paper);
}
.page-about .about-flow{
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .about-flow li{
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--about-muted);
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(194,161,90,.18);
}
.page-about .about-flow .mono{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--gold);
  padding-top: 4px;
}
.page-about .about-network__note{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(228,206,155,.9);
  border-left: 2px solid rgba(194,161,90,.5);
  padding-left: 12px;
}
.page-about .about-map{
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(194,161,90,.28);
  background: rgba(12,35,30,.35);
}
.page-about .about-map__legend{
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-about .about-map__legend li{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--about-muted);
}
.page-about .about-map__dot{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--cinnabar);
  flex: none;
}

@media (min-width: 900px){
  .page-about .about-network{
    grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr);
    gap: 56px;
  }
}

/* 接洽 */
.page-about .about-reach{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px,3.6vw,48px);
  align-items: start;
}
.page-about .about-reach__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(18px,2.6vw,26px) 0 18px;
}
.page-about .about-reach__note{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--about-muted);
}
.page-about .about-reach__note a{
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .about-reach__aside{
  border-top: 2px solid var(--gold);
  padding-top: 18px;
}
.page-about .about-reach__aside-title{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}
.page-about .about-reach__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .about-reach__list li{
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--about-muted);
}
.page-about .about-reach__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

@media (min-width: 900px){
  .page-about .about-reach{
    grid-template-columns: minmax(0,1.25fr) minmax(0,.75fr);
    gap: 64px;
  }
  .page-about .about-reach__aside{
    padding-top: 22px;
  }
}

@media (max-width: 480px){
  .page-about .about-timeline{
    padding-left: 26px;
  }
  .page-about .about-stage::before{
    left: -25px;
  }
  .page-about .about-figures{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .page-about .about-reach__actions .btn{
    width: 100%;
    text-align: center;
  }
}
<<<END>>>