/* ===== 数据团队页 /team/ ===== */
.page-about{
  --ab-line: rgba(30, 74, 110, .9);
  --ab-grid: rgba(30, 74, 110, .16);
  --ab-soft: rgba(30, 74, 110, .55);
  --ab-card: #122A42;
  --ab-ink-text: #0B0D12;
  --ab-gap: clamp(20px, 3.2vw, 44px);
  position: relative;
  color: var(--c-white);
  background-color: var(--c-ink);
  background-image:
    linear-gradient(var(--ab-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ab-grid) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-about .about-hero{
  padding-block: clamp(36px, 7vw, 108px) clamp(32px, 5vw, 72px);
}

.page-about .about-hero__kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-acid);
}

.page-about .about-hero__kicker::before{
  content: "";
  width: 28px;
  height: 2px;
  background: var(--c-acid);
}

.page-about .about-hero h1{
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 72px);
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 13em;
}

.page-about .about-hero h1 em{
  font-style: normal;
  color: var(--c-acid);
}

.page-about .about-hero__lede{
  margin: clamp(22px, 3vw, 34px) 0 0;
  max-width: 44em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-white);
}

.page-about .about-hero__figures{
  list-style: none;
  margin: clamp(32px, 5vw, 60px) 0 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--ab-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 20px;
}

.page-about .about-figure{
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-about .about-figure__num{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1;
  color: var(--c-white);
  letter-spacing: -.02em;
}

.page-about .about-figure__plus{
  font-size: .5em;
  color: var(--c-orange);
  margin-left: 2px;
}

.page-about .about-figure__label{
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 通用区块 ---------- */
.page-about .about-section{
  padding-block: clamp(48px, 7vw, 104px);
}

.page-about .about-section + .about-section{
  border-top: 1px solid var(--ab-line);
}

.page-about .about-head{
  display: grid;
  gap: 14px;
  max-width: 60ch;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-about .about-head__index{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-acid);
}

.page-about .about-head h2{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--c-white);
}

.page-about .about-head__lede{
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-mist);
  max-width: 46em;
}

/* ---------- 01 起点 ---------- */
.page-about .about-origin__grid{
  display: grid;
  gap: var(--ab-gap);
}

.page-about .about-origin__aside{
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-about .about-origin__year{
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(52px, 11vw, 118px);
  line-height: 1;
  letter-spacing: -.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-tactical);
}

@supports not ((-webkit-text-stroke: 1px #000)){
  .page-about .about-origin__year{ color: var(--c-tactical); }
}

.page-about .about-origin__panel{
  border-radius: var(--radius);
  padding: clamp(24px, 3.4vw, 52px);
  color: var(--ab-ink-text);
}

.page-about .about-origin__panel h2{
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-about .about-origin__panel p{
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.85;
  max-width: 34em;
}

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

/* ---------- 02 分工 ---------- */
.page-about .about-team__grid{
  display: grid;
  gap: var(--ab-gap);
}

.page-about .about-team__figure{
  margin: 0;
}

.page-about .about-team__bars{
  display: grid;
  gap: 18px;
  align-content: end;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(150deg, rgba(18, 42, 66, .95), rgba(10, 26, 47, .82));
  border: 1px solid var(--ab-soft);
  border-radius: var(--radius);
}

.page-about .about-team__bars-title{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-mist);
}

.page-about .about-bars{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-bar{
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.page-about .about-bar__num{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  text-align: right;
  color: var(--c-acid);
}

.page-about .about-bar__body{
  display: grid;
  gap: 7px;
  min-width: 0;
}

.page-about .about-bar__name{
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--c-white);
}

.page-about .about-bar__track{
  display: block;
  height: 6px;
  border-radius: var(--radius-pill);
  background: rgba(30, 74, 110, .8);
  overflow: hidden;
}

.page-about .about-bar__fill{
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-acid));
  transition: width var(--dur-long) var(--ease);
}

.page-about .about-bar:nth-child(1) .about-bar__fill{ width: 100%; }
.page-about .about-bar:nth-child(2) .about-bar__fill{ width: 66.6%; }
.page-about .about-bar:nth-child(3) .about-bar__fill{ width: 44.4%; }
.page-about .about-bar:nth-child(4) .about-bar__fill{ width: 33.3%; }

.page-about .about-bar--support .about-bar__num{ color: var(--c-orange); }
.page-about .about-bar--support .about-bar__fill{
  background: linear-gradient(90deg, #FF8A5B, var(--c-orange));
}

.page-about .about-duties{
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  gap: 12px;
}

.page-about .about-duty{
  background: var(--ab-card);
  border: 1px solid var(--ab-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-about .about-duty__summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-white);
  transition: background var(--dur) var(--ease);
}

.page-about .about-duty__summary::-webkit-details-marker{ display: none; }

.page-about .about-duty__summary::after{
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-acid);
}

.page-about .about-duty[open] .about-duty__summary::after{ content: "–"; }

.page-about .about-duty__summary:hover{
  background: rgba(30, 74, 110, .35);
}

.page-about .about-duty__summary:focus-visible{
  outline: 2px solid var(--c-acid);
  outline-offset: -2px;
}

.page-about .about-duty__body{
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-about .about-duty__body p{
  margin: 0 0 12px;
}

.page-about .about-duty__body ul{
  margin: 0;
  padding-left: 1.15em;
}

.page-about .about-duty__body li{
  margin-bottom: 6px;
}

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

/* ---------- 03 演进 ---------- */
.page-about .about-era__chart{
  display: block;
  width: 100%;
  height: clamp(64px, 9vw, 116px);
  margin-bottom: clamp(20px, 3vw, 36px);
  overflow: visible;
}

.page-about .about-era__line{
  fill: none;
  stroke: var(--c-acid);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-about .about-era__dot{
  fill: var(--c-ink);
  stroke: var(--c-cyan);
  stroke-width: 2.5;
}

.page-about .about-era__dot--last{
  fill: var(--c-orange);
  stroke: var(--c-orange);
}

.page-about .about-era__tabs{
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-about .about-era__list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-era__tab{
  flex: 1 1 auto;
  padding: 13px 16px;
  border: 1px solid var(--ab-soft);
  border-radius: var(--radius-sm);
  background: rgba(18, 42, 66, .6);
  color: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-era__tab:hover{
  border-color: var(--c-acid);
  color: var(--c-white);
}

.page-about .about-era__tab[aria-selected="true"]{
  background: var(--c-acid);
  border-color: var(--c-acid);
  color: var(--c-ink);
}

.page-about .about-era__tab:focus-visible{
  outline: 2px solid var(--c-acid);
  outline-offset: 2px;
}

.page-about .about-era__panel{
  padding: clamp(22px, 3vw, 40px);
  border: 1px solid var(--ab-soft);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 42, 66, .96), rgba(10, 26, 47, .9));
}

.page-about .about-era__panel h3{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.7vw, 30px);
  line-height: 1.25;
  letter-spacing: -.012em;
  color: var(--c-white);
}

.page-about .about-era__panel p{
  margin: 0 0 18px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .about-era__points{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-era__points li{
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-white);
}

.page-about .about-era__points li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 2px;
  background: var(--c-acid);
}

/* ---------- 04 伙伴 ---------- */
.page-about .about-partners__list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-about .about-partners__tab{
  padding: 11px 18px;
  border: 1px solid var(--ab-soft);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-partners__tab:hover{
  color: var(--c-white);
  border-color: var(--c-cyan);
}

.page-about .about-partners__tab[aria-selected="true"]{
  background: rgba(57, 255, 20, .14);
  border-color: var(--c-acid);
  color: var(--c-acid);
}

.page-about .about-partners__tab:focus-visible{
  outline: 2px solid var(--c-acid);
  outline-offset: 2px;
}

.page-about .about-partner-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-partner-list li{
  padding: 20px 22px;
  border-left: 2px solid var(--c-tactical);
  background: rgba(18, 42, 66, .55);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-about .about-partner-list h3{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-white);
}

.page-about .about-partner-list p{
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 05 认定 ---------- */
.page-about .about-honor__grid{
  display: grid;
  gap: var(--ab-gap);
}

.page-about .about-honors{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-honor-item{
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ab-soft);
}

.page-about .about-honor-item:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-honor-item__mark{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-acid);
}

.page-about .about-honor-item p{
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-white);
}

.page-about .about-honor__reach{
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 18px 20px;
  border: 1px dashed var(--c-tactical);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--c-cyan);
}

.page-about .about-honor__figure{
  margin: 0;
}

/* ---------- 06 对接 ---------- */
.page-about .about-paths{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.page-about .about-path{
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--ab-soft);
  border-radius: var(--radius);
  background: rgba(18, 42, 66, .5);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-path:hover{
  border-color: var(--c-acid);
  transform: translateY(-3px);
}

.page-about .about-path__num{
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--c-orange);
}

.page-about .about-path h3{
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 23px);
  color: var(--c-white);
}

.page-about .about-path p{
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .about-path__link{
  color: var(--c-acid);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 255, 20, .45);
}

.page-about .about-path__link:hover{
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-about .about-path__link:focus-visible{
  outline: 2px solid var(--c-acid);
  outline-offset: 2px;
}

.page-about .about-start__actions{
  margin-top: clamp(28px, 4vw, 44px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px){
  .page-about .about-hero__figures{
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

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

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

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

@media (min-width: 900px){
  .page-about .about-origin__grid{
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    align-items: start;
  }

  .page-about .about-team__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-about .about-era__tabs{
    grid-template-columns: minmax(200px, 3fr) minmax(0, 9fr);
    align-items: start;
  }

  .page-about .about-era__list{
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 8px;
    position: sticky;
    top: 108px;
  }

  .page-about .about-era__tab{
    width: 100%;
    flex: 0 0 auto;
  }

  .page-about .about-honor__grid{
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (min-width: 1180px){
  .page-about .about-hero h1{
    font-size: clamp(56px, 5.6vw, 82px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-about .about-bar__fill,
  .page-about .about-duty__summary,
  .page-about .about-era__tab,
  .page-about .about-partners__tab,
  .page-about .about-path{
    transition: none;
  }

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