.page-about{
  --about-hair: rgba(20,82,58,.72);
  --about-glow: rgba(47,240,196,.16);
  background: var(--green-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about p{
  margin: 0 0 var(--gap-s);
  font-size: 16px;
  line-height: 1.78;
  color: rgba(242,247,244,.82);
}

.page-about h1,
.page-about h2,
.page-about h3{
  margin: 0;
  color: var(--paper);
}

.page-about h1{
  font-family: var(--font-serif);
  font-size: clamp(30px,4.2vw,52px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: .01em;
  margin: var(--gap-s) 0;
}

.page-about h2{
  font-family: var(--font-serif);
  font-size: clamp(24px,3.2vw,34px);
  line-height: 1.28;
  font-weight: 700;
  margin-top: 12px;
}

.page-about h3{
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  position: relative;
  padding: clamp(24px,5vw,56px) 0 clamp(40px,7vw,84px);
}

.page-about .about-hero::before{
  content: "";
  position: absolute;
  top: -10%;
  right: -12%;
  width: min(760px,92vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 42% 42%, var(--about-glow), transparent 64%);
  pointer-events: none;
}

.page-about .about-hero__inner{
  position: relative;
  display: grid;
  gap: var(--gap-l);
  align-items: center;
}

.page-about .breadcrumb a{
  color: var(--mist);
  text-decoration: none;
}

.page-about .breadcrumb a:hover{
  color: var(--cyan-400);
}

.page-about .about-hero__copy .label--block{
  margin-top: var(--gap-m);
}

.page-about .lead{
  font-size: clamp(16px,1.6vw,18px);
  line-height: 1.8;
  color: rgba(242,247,244,.9);
}

.page-about .about-hero__facts{
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-m);
  margin: var(--gap-m) 0;
  padding-top: var(--gap-s);
  border-top: 1px solid var(--about-hair);
}

.page-about .about-hero__facts .stat{
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-hero__facts .stat__value{
  font-family: var(--font-display);
  font-size: clamp(26px,3vw,40px);
  font-weight: 800;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan-400);
  line-height: 1.1;
}

.page-about .about-hero__facts .stat__label{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-about .about-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__visual{
  position: relative;
  padding-bottom: 14px;
}

.page-about .about-hero__panel{
  position: relative;
  padding: clamp(16px,3vw,26px);
  border: 1px solid rgba(47,240,196,.24);
  border-radius: var(--r-l);
  background: linear-gradient(158deg, rgba(47,240,196,.10), rgba(255,255,255,.03) 62%);
  box-shadow: 0 26px 62px rgba(0,0,0,.4);
  transform: rotate(-2deg);
}

.page-about .about-hero__pitch{
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-hero__caption{
  margin: 14px 0 0;
  color: var(--mist);
}

.page-about .about-hero__chip{
  position: absolute;
  left: 6px;
  bottom: -6px;
  padding: 8px 14px;
  border: 1px solid var(--cyan-400);
  border-radius: 999px;
  background: var(--green-700);
  color: var(--cyan-200);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  transform: rotate(-2deg);
  box-shadow: 0 12px 30px rgba(0,0,0,.42);
}

/* ---------- 主体框架 ---------- */
.page-about .about-body{
  padding-bottom: clamp(48px,8vw,96px);
}

.page-about .about-body__grid{
  display: grid;
  gap: var(--gap-m);
}

/* ---------- 页内导航 ---------- */
.page-about .about-toc{
  position: sticky;
  top: 0;
  z-index: 6;
  margin-inline: calc(var(--gutter) * -1);
  padding: 10px var(--gutter);
  background: rgba(4,21,14,.94);
  border-bottom: 1px solid var(--about-hair);
  backdrop-filter: blur(10px);
}

.page-about .about-toc__title{
  display: none;
}

.page-about .about-toc__list{
  display: flex;
  gap: var(--gap-s);
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-toc__list::-webkit-scrollbar{
  display: none;
}

.page-about .about-toc__list a{
  display: block;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  white-space: nowrap;
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-about .about-toc__list a:hover,
.page-about .about-toc__list a[aria-current]{
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 章节 ---------- */
.page-about .about-block{
  padding-block: clamp(32px,5vw,56px);
  border-top: 1px solid var(--about-hair);
}

.page-about .about-flow > .about-block:first-child{
  padding-top: clamp(20px,3vw,32px);
  border-top: 0;
}

.page-about .about-block__head{
  max-width: 64ch;
  margin-bottom: var(--gap-m);
}

.page-about .about-cols{
  display: grid;
  gap: var(--gap-m);
}

.page-about .about-cols > :nth-child(2){
  margin-bottom: 0;
}

.page-about .about-quote{
  margin: var(--gap-m) 0 0;
  padding: var(--gap-s) 0 var(--gap-s) 20px;
  border-left: 2px solid var(--cyan-400);
  max-width: 46ch;
  color: var(--cyan-200);
  font-family: var(--font-serif);
  font-size: clamp(18px,2.2vw,23px);
  line-height: 1.55;
}

/* ---------- 图片 ---------- */
.page-about .about-figure{
  margin: 0 0 var(--gap-m);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-m);
  background: var(--green-700);
  overflow: hidden;
}

.page-about .about-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-figure--split{
  margin-top: var(--gap-l);
}

.page-about .about-figure--map{
  margin-top: var(--gap-m);
}

.page-about .about-figure__cap{
  padding: 12px 16px 14px;
  border-top: 1px solid var(--about-hair);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.7;
}

/* ---------- 编辑室 Bento ---------- */
.page-about .newsroom__bento{
  display: grid;
  gap: var(--gap-s);
  margin-top: var(--gap-m);
}

.page-about .role{
  padding: var(--gap-s);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-m);
  background: var(--green-700);
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-about .role:hover{
  border-color: var(--cyan-400);
  transform: translateY(-3px);
}

.page-about .role h3{
  margin: 10px 0 8px;
}

.page-about .role p{
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(242,247,244,.78);
}

.page-about .role__note{
  display: block;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--about-hair);
  color: var(--cyan-200);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 时间线 ---------- */
.page-about .timeline{
  position: relative;
  padding-left: 26px;
}

.page-about .timeline::before{
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan-400), rgba(47,240,196,.06));
}

.page-about .timeline__item{
  position: relative;
  margin-bottom: var(--gap-m);
}

.page-about .timeline__item:last-child{
  margin-bottom: 0;
}

.page-about .timeline__item::before{
  content: "";
  position: absolute;
  left: -25px;
  top: 16px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green-900);
  border: 2px solid var(--cyan-400);
}

.page-about .timeline__head{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  width: 100%;
  padding: var(--gap-s);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-m);
  background: var(--green-700);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms var(--ease);
}

.page-about .timeline__head:hover{
  border-color: var(--cyan-400);
}

.page-about .timeline__title{
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.4;
}

.page-about .timeline__panel{
  padding: 14px var(--gap-s) 0;
}

.page-about .timeline__panel p{
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: rgba(242,247,244,.76);
}

/* ---------- 规模数据 ---------- */
.page-about .scale__grid{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--gap-s);
  margin-top: var(--gap-m);
}

.page-about .scale__grid .stat{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--gap-s);
  border: 1px solid var(--about-hair);
  border-radius: var(--r-m);
  background: rgba(10,42,28,.72);
}

.page-about .scale__grid .stat__value{
  font-family: var(--font-display);
  font-size: clamp(24px,3.4vw,34px);
  font-weight: 800;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan-400);
  line-height: 1.1;
}

.page-about .scale__grid .stat__label{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 三件事 ---------- */
.page-about .beliefs{
  display: grid;
  gap: var(--gap-s);
}

.page-about .belief{
  padding: var(--gap-m) var(--gap-s);
  background: linear-gradient(150deg, rgba(47,240,196,.09), rgba(10,42,28,.94) 70%);
}

.page-about .belief h3{
  margin: 12px 0 10px;
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.4;
}

.page-about .belief p{
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
}

.page-about .belief p:last-child{
  margin-bottom: 0;
}

.page-about .belief__why{
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-about .about-next{
  margin-top: var(--gap-l);
  padding: clamp(22px,3.4vw,36px);
  border: 1px solid rgba(47,240,196,.3);
  border-radius: var(--r-l);
  background: linear-gradient(140deg, rgba(47,240,196,.12), rgba(10,42,28,.94) 72%);
}

.page-about .about-next h2{
  font-size: clamp(22px,2.8vw,30px);
}

.page-about .about-next p{
  margin: var(--gap-s) 0 0;
  max-width: 62ch;
}

.page-about .about-next__links{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--gap-m);
}

/* ---------- 入场动效 ---------- */
.has-js .page-about [data-reveal]{
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
}

.has-js .page-about [data-reveal].is-visible{
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px){
  .page-about .about-cols{
    grid-template-columns: 1.05fr .95fr;
  }

  .page-about .about-cols > :nth-child(2){
    margin-top: 34px;
  }

  .page-about .newsroom__bento{
    grid-template-columns: repeat(12, minmax(0,1fr));
  }

  .page-about .role--a{ grid-column: span 7; }
  .page-about .role--b{ grid-column: span 5; }
  .page-about .role--c{ grid-column: span 5; }
  .page-about .role--d{ grid-column: span 7; }

  .page-about .scale__grid{
    grid-template-columns: repeat(4, minmax(0,1fr));
  }

  .page-about .beliefs{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (min-width: 900px){
  .page-about .about-hero__inner{
    grid-template-columns: minmax(0,1.35fr) minmax(0,1fr);
    gap: clamp(32px,5vw,72px);
  }

  .page-about .timeline{
    padding-left: 0;
  }

  .page-about .timeline::before{
    left: 50%;
  }

  .page-about .timeline__item{
    width: calc(50% - 46px);
  }

  .page-about .timeline__item--left{
    margin-right: auto;
  }

  .page-about .timeline__item--right{
    margin-left: auto;
  }

  .page-about .timeline__item--left::before{
    left: auto;
    right: -51px;
  }

  .page-about .timeline__item--right::before{
    left: -51px;
  }

  .page-about .timeline__item--left .timeline__head{
    align-items: flex-end;
    text-align: right;
  }

  .page-about .timeline__item--left .timeline__panel{
    text-align: right;
  }

  .page-about .beliefs{
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
}

@media (min-width: 1000px){
  .page-about .about-body__grid{
    grid-template-columns: 188px minmax(0,1fr);
    gap: clamp(32px,5vw,72px);
    align-items: start;
  }

  .page-about .about-toc{
    top: 96px;
    margin-inline: 0;
    padding: 0;
    background: none;
    border-bottom: 0;
    backdrop-filter: none;
  }

  .page-about .about-toc__title{
    display: block;
    margin-bottom: 12px;
  }

  .page-about .about-toc__list{
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-about .about-toc__list a{
    padding: 9px 0 9px 14px;
    border-left: 1px solid var(--about-hair);
    border-bottom: 0;
    font-size: 12.5px;
    white-space: normal;
  }

  .page-about .about-toc__list a:hover,
  .page-about .about-toc__list a[aria-current]{
    border-left-color: var(--cyan-400);
    border-bottom-color: transparent;
  }
}

@media (prefers-reduced-motion: reduce){
  .has-js .page-about [data-reveal]{
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .role:hover{
    transform: none;
  }
}