.page-about{
  --about-ink:#0A1A2B;
  --about-hair:rgba(157,178,201,.26);
  --about-hair-strong:rgba(157,178,201,.45);
  --about-card:linear-gradient(155deg,rgba(13,34,56,.94),rgba(6,20,35,.74));
  display:block;
  background:
    radial-gradient(1100px 520px at 86% -6%, rgba(53,214,192,.13), transparent 62%),
    radial-gradient(820px 480px at -6% 26%, rgba(123,97,255,.14), transparent 68%);
}

.page-about .section-head{
  display:grid;
  gap:.5rem;
  margin-bottom:1.75rem;
  max-width:58rem;
}

.page-about .section-num{
  color:var(--flame);
  font-size:.85rem;
  letter-spacing:.22em;
}

.page-about .section-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.5rem,4.4vw,2.4rem);
  line-height:1.14;
  color:var(--paper);
  margin:0;
}

.page-about .lede{
  color:var(--text-dim);
  font-size:1rem;
  line-height:1.8;
  margin:0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  display:grid;
  gap:1.75rem;
  padding-block:1.25rem 2.75rem;
}

.page-about .about-hero__rail{
  display:grid;
  gap:.9rem;
  align-content:start;
  min-width:0;
}

.page-about .eyebrow{
  color:var(--comet);
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.16em;
  text-transform:none;
  margin:0;
}

.page-about .about-hero__title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(2rem,7.6vw,3.9rem);
  line-height:1.02;
  letter-spacing:.01em;
  color:var(--paper);
  margin:.2rem 0 .4rem;
  transform:skewX(-4deg);
  transform-origin:left center;
  text-wrap:balance;
}

.page-about .about-hero__title em{
  font-style:normal;
  color:var(--flame);
}

.page-about .about-hero__text{
  color:var(--text-dim);
  font-family:var(--font-serif);
  font-size:.98rem;
  line-height:1.85;
  margin:0;
  padding-left:.9rem;
  border-left:2px solid var(--about-hair-strong);
}

.page-about .about-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:.65rem;
  margin-top:.35rem;
}

.page-about .about-hero__stats{
  list-style:none;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.85rem;
  margin:.85rem 0 0;
  padding:0;
}

.page-about .about-hero__stats li{
  display:grid;
  gap:.2rem;
  padding-top:.7rem;
  border-top:1px solid var(--about-hair);
}

.page-about .about-hero__num{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:1.55rem;
  line-height:1;
  color:var(--laser);
}

.page-about .about-hero__lbl{
  font-size:.8rem;
  color:var(--steel);
  line-height:1.5;
}

.page-about .about-hero__figure{
  position:relative;
  margin:0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--about-hair);
  box-shadow:var(--shadow-1);
}

.page-about .about-hero__figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,20,35,0) 42%,rgba(3,8,14,.82));
  pointer-events:none;
}

.page-about .about-hero__figure .media__img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:3 / 2;
  object-fit:cover;
}

.page-about .about-hero__figure .media__caption{
  position:absolute;
  left:1rem;
  right:1rem;
  bottom:.85rem;
  z-index:1;
  color:var(--text-dim);
  font-size:.78rem;
  line-height:1.6;
}

/* ---------- 编辑台流程 ---------- */
.page-about .about-desk{
  padding-block:2.5rem;
  border-top:1px solid var(--about-hair);
}

.page-about .desk-paper{
  background:var(--paper);
  color:var(--ink,#10202F);
  border-radius:var(--radius-lg);
  padding:1.4rem 1.15rem;
  box-shadow:var(--shadow-1);
  display:grid;
  gap:1.5rem;
}

.page-about .desk-steps{
  display:grid;
  gap:1.1rem;
  min-width:0;
}

.page-about .desk-step{
  position:relative;
  padding:.95rem 1rem 1rem;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.5);
  border:1px solid rgba(3,8,14,.12);
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  outline:none;
}

.page-about .desk-step:hover,
.page-about .desk-step:focus-visible{
  transform:translateY(-3px);
  box-shadow:0 18px 34px -30px rgba(3,8,14,.9);
  background:rgba(255,255,255,.78);
}

.page-about .desk-step:focus-visible{
  outline:2px solid var(--flame);
  outline-offset:2px;
}

.page-about .desk-step__idx{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.2em;
  color:#B4451A;
  margin:0 0 .35rem;
}

.page-about .desk-step__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.08rem;
  line-height:1.3;
  color:#0C1B2A;
  margin:0 0 .45rem;
}

.page-about .desk-step__body{
  font-size:.88rem;
  line-height:1.75;
  color:#33475C;
  margin:0;
}

.page-about .desk-arrow{
  width:2.2rem;
  height:.7rem;
  color:var(--comet);
  justify-self:center;
  transform:rotate(90deg);
}

.page-about .desk-figure{
  margin:0;
  border-radius:var(--radius-md);
  overflow:hidden;
  position:relative;
  align-self:stretch;
}

.page-about .desk-figure .media__img{
  display:block;
  width:100%;
  height:100%;
  min-height:180px;
  max-height:320px;
  object-fit:cover;
}

.page-about .desk-figure .media__caption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:.6rem .8rem;
  font-size:.75rem;
  color:var(--paper);
  background:linear-gradient(180deg,rgba(3,8,14,0),rgba(3,8,14,.85));
}

/* ---------- 栏目秩序 ---------- */
.page-about .about-order{
  padding-block:2.5rem;
  border-top:1px solid var(--about-hair);
}

.page-about .order-layout{
  display:grid;
  gap:1.35rem;
  min-width:0;
}

.page-about .order-rail{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem .55rem;
  padding:.55rem .6rem;
  border:1px solid var(--about-hair);
  border-radius:var(--radius-md);
  background:rgba(13,34,56,.55);
}

.page-about .order-rail__link{
  display:inline-flex;
  align-items:baseline;
  gap:.4rem;
  padding:.35rem .5rem;
  border-radius:var(--radius-sm);
  color:var(--text-dim);
  font-size:.85rem;
  text-decoration:none;
  transition:color .18s ease, background .18s ease;
}

.page-about .order-rail__link .mono{
  font-family:var(--font-mono);
  font-size:.74rem;
  color:var(--comet);
}

.page-about .order-rail__link:hover,
.page-about .order-rail__link:focus-visible{
  color:var(--paper);
  background:rgba(255,107,44,.16);
  outline:none;
}

.page-about .order-rail__link:focus-visible{
  outline:2px solid var(--comet);
  outline-offset:1px;
}

.page-about .order-list{
  display:grid;
  gap:.85rem;
  min-width:0;
}

.page-about .order-item{
  position:relative;
  margin:0;
  padding:1.2rem 1.1rem 1.15rem 3.5rem;
  border:1px solid var(--about-hair);
  border-radius:var(--radius-md);
  background:var(--about-card);
  scroll-margin-top:6rem;
  transition:border-color .2s ease, transform .2s ease;
}

.page-about .order-item:hover{
  border-color:var(--about-hair-strong);
  transform:translateY(-2px);
}

.page-about .order-item__num{
  position:absolute;
  left:1rem;
  top:1.05rem;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:1.3rem;
  line-height:1;
  color:var(--flame);
}

.page-about .order-item:nth-child(even) .order-item__num{
  color:var(--comet);
}

.page-about .order-item__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.12rem;
  color:var(--paper);
  margin:0 0 .4rem;
}

.page-about .order-item__text{
  font-size:.9rem;
  line-height:1.78;
  color:var(--text-dim);
  margin:0 0 .7rem;
}

.page-about .order-item__link{
  display:inline-block;
  font-size:.82rem;
  color:var(--laser);
  text-decoration:none;
  border-bottom:1px solid rgba(244,255,107,.4);
  padding-bottom:1px;
}

.page-about .order-item__link:hover,
.page-about .order-item__link:focus-visible{
  color:var(--flame);
  border-color:var(--flame);
  outline:none;
}

/* ---------- 里程碑 ---------- */
.page-about .about-miles{
  padding-block:2.5rem;
  border-top:1px solid var(--about-hair);
}

.page-about .miles-figure{
  margin:0 0 1.5rem;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--about-hair);
}

.page-about .miles-figure .media__img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:2 / 1;
  object-fit:cover;
}

.page-about .miles-figure .media__caption{
  display:block;
  padding:.55rem .9rem .7rem;
  font-size:.76rem;
  color:var(--steel);
  background:rgba(13,34,56,.7);
}

.page-about .milestone-track{
  list-style:none;
  display:flex;
  gap:0;
  margin:0;
  padding:1.55rem .1rem 0;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(53,214,192,.9),rgba(123,97,255,.7),rgba(53,214,192,0)) 1;
}

.page-about .milestone{
  position:relative;
  flex:0 0 12rem;
  padding:0 1rem 0 0;
  scroll-snap-align:start;
  outline:none;
}

.page-about .milestone::before{
  content:"";
  position:absolute;
  left:0;
  top:-1.62rem;
  width:.55rem;
  height:.55rem;
  border-radius:50%;
  background:var(--comet);
  box-shadow:0 0 0 4px rgba(53,214,192,.16);
  transition:background .2s ease, box-shadow .2s ease;
}

.page-about .milestone:hover::before,
.page-about .milestone:focus-visible::before{
  background:var(--flame);
  box-shadow:0 0 0 5px rgba(255,107,44,.22);
}

.page-about .milestone__season{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.12em;
  color:var(--comet);
  margin:0 0 .3rem;
}

.page-about .milestone__head{
  font-family:var(--font-display);
  font-weight:700;
  font-size:.98rem;
  line-height:1.35;
  color:var(--paper);
  margin:0;
}

.page-about .milestone__note{
  font-size:.82rem;
  line-height:1.72;
  color:var(--text-dim);
  margin:0;
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height .26s ease, opacity .26s ease, margin .26s ease;
}

.page-about .milestone:hover .milestone__note,
.page-about .milestone:focus-visible .milestone__note{
  max-height:11rem;
  opacity:1;
  margin-top:.45rem;
}

.page-about .milestone:focus-visible{
  outline:2px solid var(--comet);
  outline-offset:6px;
  border-radius:var(--radius-sm);
}

/* ---------- 团队 ---------- */
.page-about .about-team{
  padding-block:2.5rem;
  border-top:1px solid var(--about-hair);
}

.page-about .team-grid{
  display:grid;
  gap:1rem;
  min-width:0;
}

.page-about .team-stat{
  padding:1.4rem 1.15rem;
  border-radius:var(--radius-lg);
  background:linear-gradient(150deg,rgba(255,107,44,.9),rgba(255,107,44,.62));
  color:#180A03;
}

.page-about .team-stat__num{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:3.2rem;
  line-height:1;
  margin:0;
}

.page-about .team-stat__lbl{
  font-size:.86rem;
  line-height:1.6;
  margin:.5rem 0 0;
  font-weight:500;
}

.page-about .team-card{
  padding:1.3rem 1.15rem;
  border-radius:var(--radius-lg);
  border:1px solid var(--about-hair);
  background:var(--about-card);
}

.page-about .team-card__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.1rem;
  color:var(--paper);
  margin:0 0 .6rem;
}

.page-about .team-card p{
  font-size:.9rem;
  line-height:1.8;
  color:var(--text-dim);
  margin:0 0 .7rem;
}

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

.page-about .team-note{
  padding:1.2rem 1.15rem;
  border-radius:var(--radius-lg);
  border:1px solid rgba(53,214,192,.35);
  background:rgba(53,214,192,.07);
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.page-about .team-note:hover{
  border-color:rgba(53,214,192,.7);
  transform:translateY(-2px);
  box-shadow:var(--shadow-lift);
}

.page-about .team-note p{
  font-family:var(--font-serif);
  font-size:.95rem;
  line-height:1.9;
  color:var(--paper);
  margin:0;
}

/* ---------- 服务范围 ---------- */
.page-about .about-scope{
  padding-block:2.5rem;
  border-top:1px solid var(--about-hair);
}

.page-about .scope-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));
  gap:.9rem;
}

.page-about .scope-card{
  padding:1.15rem 1.05rem;
  border-radius:var(--radius-md);
  border:1px solid var(--about-hair);
  background:rgba(13,34,56,.6);
  transition:border-color .2s ease, background .2s ease;
}

.page-about .scope-card:hover{
  border-color:rgba(244,255,107,.4);
  background:rgba(13,34,56,.85);
}

.page-about .scope-card__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.02rem;
  color:var(--paper);
  margin:0 0 .45rem;
}

.page-about .scope-card__text{
  font-size:.86rem;
  line-height:1.78;
  color:var(--text-dim);
  margin:0 0 .6rem;
}

.page-about .scope-card__link{
  font-size:.82rem;
  color:var(--comet);
  text-decoration:none;
  border-bottom:1px solid rgba(53,214,192,.45);
  padding-bottom:1px;
}

.page-about .scope-card__link:hover,
.page-about .scope-card__link:focus-visible{
  color:var(--flame);
  border-color:var(--flame);
  outline:none;
}

/* ---------- 结尾入口 ---------- */
.page-about .about-cta{
  padding-block:2.5rem 3.5rem;
  border-top:1px solid var(--about-hair);
}

.page-about .cta-grid{
  display:grid;
  gap:.9rem;
  margin-top:1.4rem;
}

.page-about .cta-card{
  position:relative;
  display:block;
  padding:1.25rem 1.1rem;
  border-radius:var(--radius-md);
  border:1px solid var(--about-hair);
  background:var(--about-card);
  text-decoration:none;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-about .cta-card:hover,
.page-about .cta-card:focus-visible{
  transform:translateY(-4px);
  border-color:rgba(255,107,44,.55);
  box-shadow:var(--shadow-lift);
  outline:none;
}

.page-about .cta-card:focus-visible{
  outline:2px solid var(--comet);
  outline-offset:2px;
}

.page-about .cta-card__num{
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.16em;
  color:var(--flame);
  margin:0 0 .5rem;
}

.page-about .cta-card__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.06rem;
  color:var(--paper);
  margin:0 0 .4rem;
}

.page-about .cta-card__text{
  font-size:.84rem;
  line-height:1.72;
  color:var(--text-dim);
  margin:0 0 .8rem;
}

.page-about .cta-card__go{
  font-family:var(--font-mono);
  font-size:.78rem;
  color:var(--laser);
  letter-spacing:.06em;
}

/* ---------- 断点 ---------- */
@media (min-width:640px){
  .page-about .about-hero__stats{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
  .page-about .desk-paper{
    padding:1.75rem 1.6rem;
  }
  .page-about .cta-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (min-width:900px){
  .page-about .about-hero{
    grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
    align-items:start;
    gap:2.5rem;
    padding-block:2rem 4rem;
  }
  .page-about .about-hero__figure{
    position:sticky;
    top:5.5rem;
  }
  .page-about .about-desk,
  .page-about .about-order,
  .page-about .about-miles,
  .page-about .about-team,
  .page-about .about-scope{
    padding-block:3.5rem;
  }
  .page-about .desk-paper{
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    gap:2rem;
    padding:2rem;
  }
  .page-about .desk-steps{
    grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);
    align-items:start;
    gap:.75rem;
  }
  .page-about .desk-arrow{
    transform:none;
    align-self:center;
    margin-top:1.6rem;
  }
  .page-about .desk-figure .media__img{
    max-height:none;
    min-height:100%;
  }
  .page-about .order-layout{
    grid-template-columns:13rem minmax(0,1fr);
    gap:2.25rem;
    align-items:start;
  }
  .page-about .order-rail{
    position:sticky;
    top:5.5rem;
    flex-direction:column;
    flex-wrap:nowrap;
    padding:.7rem .6rem;
  }
  .page-about .order-rail__link{
    width:100%;
    justify-content:flex-start;
    padding:.5rem .55rem;
  }
  .page-about .order-item{
    padding:1.35rem 1.4rem 1.35rem 3.9rem;
  }
  .page-about .team-grid{
    grid-template-columns:minmax(0,.7fr) minmax(0,1.15fr) minmax(0,.85fr);
    align-items:start;
  }
  .page-about .milestone{
    flex:0 0 13.5rem;
  }
  .page-about .about-cta{
    padding-block:3.5rem 4.5rem;
  }
}

@media (min-width:1200px){
  .page-about .about-hero__title{
    font-size:4.1rem;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-about .desk-step,
  .page-about .order-item,
  .page-about .team-note,
  .page-about .cta-card{
    transition:none;
  }
  .page-about .milestone__note{
    transition:none;
  }
}

.page-about {
  --ink: currentColor;
}