.page-about{
  --about-rail: 84px;
  --about-gap: clamp(18px, 3vw, 40px);
  --about-ink-soft: rgba(231,239,234,.76);
  --about-paper-soft: rgba(28,26,22,.74);
  background: var(--ink-green);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  position: relative;
  overflow: hidden;
  padding: clamp(24px,4vw,44px) 0 clamp(34px,5vw,64px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(77,224,193,.16), transparent 62%),
    linear-gradient(180deg, #0B1F1A 0%, #12332A 100%);
  color: var(--mist);
}
.page-about .about-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(124,140,134,.18) 1px, transparent 1px),
    linear-gradient(0deg, rgba(124,140,134,.13) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 88%);
}
.page-about .about-hero .wrap{ position: relative; z-index: 1; }

.page-about .about-hero__grid{
  display: grid;
  gap: clamp(24px,4vw,44px);
  grid-template-columns: minmax(0,1fr);
  margin-top: clamp(18px,3vw,32px);
}

.page-about .about-hero__main h1{
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.12;
  letter-spacing: -.02em;
  margin: 14px 0 20px;
  max-width: 16em;
  color: var(--mist);
}
.page-about .about-hero__lede{
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--mist);
  max-width: 40em;
  margin: 0 0 16px;
}
.page-about .about-hero__note{
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
  max-width: 38em;
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
}

.page-about .about-hero__side{
  border-top: 1px solid var(--rule-strong);
  padding-top: 18px;
}
.page-about .about-facts{
  margin: 12px 0 20px;
  border-top: 1px solid var(--rule);
}
.page-about .about-fact{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}
.page-about .about-fact dt{
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
}
.page-about .about-fact dd{
  margin: 0;
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--teal);
}

/* ---------- 章节索引 ---------- */
.page-about .about-index{
  background: var(--ink-green-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule-strong);
}
.page-about .about-index__list{
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-about .about-index__list::-webkit-scrollbar{ display: none; }
.page-about .about-index__link{
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--slate);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.page-about .about-index__link .num{
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--rust);
}
.page-about .about-index__link:hover{ color: var(--mist); }
.page-about .about-index__link.is-active{
  color: var(--amber);
  border-color: rgba(232,161,58,.5);
}
.page-about .about-index__link.is-active .num{ color: var(--amber); }

/* ---------- 章节骨架 ---------- */
.page-about .chapter{
  padding: clamp(44px, 6vw, 92px) 0;
  position: relative;
}
.page-about .chapter--deep{
  background: var(--ink-green);
  color: var(--mist);
}
.page-about .chapter--layer{
  background: var(--ink-green-2);
  color: var(--mist);
}
.page-about .chapter--paper{
  background: var(--paper);
  color: var(--brown);
}
.page-about .chapter__inner{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: var(--about-gap);
}
.page-about .chapter__num{
  font-family: var(--mono);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--teal);
}
.page-about .chapter__num::before{
  content: "";
  display: block;
  width: 38px;
  height: 1px;
  margin-bottom: 12px;
  background: currentColor;
  opacity: .55;
}
.page-about .chapter--paper .chapter__num{ color: var(--rust); }

.page-about .chapter__body h2{
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.22;
  letter-spacing: -.02em;
  margin: 12px 0 20px;
  max-width: 20em;
}
.page-about .chapter__body h3{
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(15px, 1.8vw, 18px);
  letter-spacing: -.01em;
  margin: 0 0 6px;
}
.page-about .chapter__body .label{ color: var(--slate); }
.page-about .chapter--paper .chapter__body .label{ color: rgba(28,26,22,.55); }

.page-about .about-text{
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.85;
  max-width: 40em;
  margin: 0 0 16px;
  color: var(--about-ink-soft);
}
.page-about .chapter--paper .about-text{ color: var(--about-paper-soft); }

.page-about .about-link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding-bottom: 3px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(77,224,193,.45);
  transition: color .2s ease, border-color .2s ease;
}
.page-about .about-link:hover{ color: var(--amber); border-bottom-color: var(--amber); }
.page-about .chapter--paper .about-link{ color: #0f5a4a; border-bottom-color: rgba(15,90,74,.45); }
.page-about .chapter--paper .about-link:hover{ color: var(--rust); border-bottom-color: var(--rust); }

/* ---------- 01 三块内容 ---------- */
.page-about .about-points{
  list-style: none;
  margin: 26px 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.page-about .about-point{
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  gap: 4px 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}
.page-about .about-point__idx{
  grid-row: span 2;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--amber);
  padding-top: 2px;
}
.page-about .about-point h3{
  font-family: var(--sans);
  font-weight: 700;
  font-size: 16px;
  margin: 0;
}
.page-about .about-point p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

/* ---------- 02 专题列表 ---------- */
.page-about .topic-list{
  list-style: none;
  margin: 26px 0 22px;
  padding: 0;
  border-top: 1px solid var(--rule-paper);
}
.page-about .topic{
  display: grid;
  grid-template-columns: 42px minmax(0,1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-paper);
}
.page-about .topic__idx{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--rust);
  padding-top: 4px;
}
.page-about .topic__text p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-paper-soft);
}

/* ---------- 图文分栏 ---------- */
.page-about .split{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: 26px;
  align-items: start;
}
.page-about .split__text h3{ margin-bottom: 10px; }

.page-about .media{
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: var(--ink-green-2);
  border: 1px solid var(--rule);
}
.page-about .chapter--paper .media{ border-color: var(--rule-paper); }
.page-about .media__img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .media__tint{
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11,31,26,.18) 0%, rgba(11,31,26,.55) 100%);
  mix-blend-mode: multiply;
}
.page-about .media__cap{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--mist);
  background: linear-gradient(0deg, rgba(11,31,26,.86), rgba(11,31,26,0));
}
.page-about .media--wide{ margin-top: 24px; }

/* ---------- 04 批次面板 ---------- */
.page-about .batch-block{
  margin: 24px 0 22px;
  border-top: 1px solid var(--rule-paper);
}
.page-about .batch-block__title{
  padding: 12px 0 10px;
  margin: 0;
  color: rgba(28,26,22,.55);
  border-bottom: 1px solid var(--rule-paper);
}
.page-about .batch{
  border-bottom: 1px solid var(--rule-paper);
}
.page-about .batch summary{
  display: flex;
  align-items: baseline;
  gap: 10px 16px;
  flex-wrap: wrap;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}
.page-about .batch summary::-webkit-details-marker{ display: none; }
.page-about .batch__key{
  font-family: var(--mono);
  font-size: 13px;
  color: var(--brown);
  border-left: 3px solid var(--rust);
  padding-left: 10px;
}
.page-about .batch[open] .batch__key{
  color: var(--ink-green);
  border-left-color: var(--amber);
}
.page-about .batch__desc{
  flex: 1 1 14em;
  min-width: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(28,26,22,.7);
}
.page-about .batch__mark{
  margin-left: auto;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  color: var(--rust);
  transition: transform .22s ease;
}
.page-about .batch[open] .batch__mark{ transform: rotate(45deg); color: var(--amber); }
.page-about .batch__body{
  padding: 0 0 16px 13px;
}
.page-about .batch__body p{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  max-width: 38em;
  color: var(--about-paper-soft);
}

/* ---------- 05 合作生态 ---------- */
.page-about .ecosystem{
  list-style: none;
  display: flex;
  gap: 16px;
  margin: 26px 0 24px;
  padding: 0 0 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  border-bottom: 1px solid var(--rule);
}
.page-about .ecosystem::-webkit-scrollbar{ height: 4px; }
.page-about .ecosystem::-webkit-scrollbar-thumb{ background: var(--rule-strong); }
.page-about .ecosystem__item{
  flex: 0 0 clamp(220px, 74vw, 280px);
  scroll-snap-align: start;
  padding: 14px 0 18px;
  border-top: 2px solid var(--amber);
}
.page-about .ecosystem__idx{
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--teal);
  margin-bottom: 10px;
}
.page-about .ecosystem__item h3{
  font-family: var(--sans);
  font-weight: 700;
  font-size: 15.5px;
  margin: 0 0 8px;
}
.page-about .ecosystem__item p{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .audience{
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.page-about .audience__item{
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}
.page-about .audience__k{
  margin: 0 0 4px;
  color: var(--amber);
}
.page-about .audience__v{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

/* ---------- 06 联系 ---------- */
.page-about .channels{
  margin: 0 0 22px;
  border-top: 1px solid var(--rule-paper);
}
.page-about .channel{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule-paper);
}
.page-about .channel__key{
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: rgba(28,26,22,.55);
}
.page-about .channel__val{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--brown);
  word-break: break-word;
}
.page-about .channel__val a{
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(18,51,42,.4);
}
.page-about .channel__val a:hover{ color: var(--rust); border-bottom-color: var(--rust); }

.page-about .cta-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 返回刊头 ---------- */
.page-about .to-top{
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
  background: rgba(18,51,42,.94);
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  cursor: pointer;
}
.page-about .to-top:hover{ color: var(--amber); border-color: var(--amber); }
.page-about .to-top__glyph{ font-size: 13px; line-height: 1; }

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-about .about-points{
    grid-template-columns: repeat(3, minmax(0,1fr));
    border-bottom: 1px solid var(--rule);
  }
  .page-about .about-point{
    grid-template-columns: minmax(0,1fr);
    border-bottom: 0;
    border-right: 1px solid var(--rule);
    padding: 16px 18px 18px 0;
  }
  .page-about .about-point:last-child{ border-right: 0; padding-right: 0; }
  .page-about .about-point__idx{ margin-bottom: 8px; }

  .page-about .audience{
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 0 24px;
  }
  .page-about .channel{
    grid-template-columns: 108px minmax(0,1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 880px){
  .page-about .about-hero__grid{
    grid-template-columns: minmax(0,7fr) minmax(0,5fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }
  .page-about .about-hero__side{
    padding-top: 22px;
  }
  .page-about .chapter__inner{
    grid-template-columns: var(--about-rail) minmax(0,1fr);
    gap: clamp(24px, 3.5vw, 52px);
  }
  .page-about .split{
    grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr);
  }
  .page-about .split--reverse{
    grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr);
  }
  .page-about .split--reverse .media{ order: -1; }
}

@media (min-width: 1100px){
  .page-about .topic-list{
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 0 32px;
  }
  .page-about .ecosystem__item{ flex-basis: 268px; }
}

@media (prefers-reduced-motion: reduce){
  .page-about .about-index__link,
  .page-about .about-link,
  .page-about .batch__mark,
  .page-about .to-top{ transition: none; }
}
</｜｜DSML｜｜ parameter>
</invoke>
</result>