/* 悬浮操作组 .floating-action-stack 尺寸镜像自 css/premium.css（唯一源）；about 页不加载 premium.css，故按 premium 同规格镜像 */
.about-page{background:#fff;color:var(--text-primary)}
.about-page-hero{padding:9.5rem 0 5.5rem;background:var(--off-white);border-bottom:1px solid var(--border);text-align:center}
.about-page-hero-inner{max-width:980px}
.about-page-kicker,.about-section-kicker{margin:0 0 1rem;color:var(--accent-dark);font-size:.82rem;font-weight:750;letter-spacing:0;text-transform:uppercase}
.about-page-logo{display:block;width:min(300px,70vw);height:auto;margin:0 auto 2rem}
.about-page-hero h1{max-width:900px;margin:0 auto 1.5rem;font-size:clamp(2.7rem,5vw,4.8rem);line-height:1.08;letter-spacing:0;text-wrap:balance}
.about-page-lede{max-width:820px;margin:0 auto;color:var(--text-secondary);font-size:clamp(1.05rem,1.8vw,1.28rem);line-height:1.85;text-wrap:balance}
.about-page-actions{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;margin-top:2.25rem}
.about-facts{background:#fff;border-bottom:1px solid var(--border)}
.about-facts-grid{display:grid;grid-template-columns:repeat(4,1fr);padding-top:0;padding-bottom:0}
.about-facts-grid>div{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:150px;border-right:1px solid var(--border);text-align:center}
.about-facts-grid>div:last-child{border-right:0}
.about-facts-grid strong{color:var(--accent);font-size:clamp(2rem,3vw,3rem);line-height:1}
.about-facts-grid span{margin-top:.65rem;color:var(--text-secondary);font-size:.88rem}
.about-band{padding:6.5rem 0}
.about-band-muted{background:#f6f8f9}
.about-band-dark{background:#10182a;color:#fff}
.about-two-column{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(0,1.15fr);gap:clamp(3rem,7vw,7rem);align-items:start}
.about-heading-block h2,.about-section-intro h2,.about-evidence-row h2{font-size:clamp(2rem,3.6vw,3.25rem);line-height:1.16;letter-spacing:0;text-wrap:balance}
.about-copy{color:var(--text-secondary);font-size:1.05rem;line-height:1.95}
.about-copy p+p{margin-top:1.25rem}
.about-section-intro{max-width:820px;margin:0 auto 3.25rem;text-align:center}
.about-section-intro>p:last-child{max-width:680px;margin:.9rem auto 0;color:var(--text-secondary);font-size:1rem;line-height:1.8}
.about-capability-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid #dfe5e7;border-left:1px solid #dfe5e7}
.about-capability-grid article{min-height:260px;padding:2.25rem;border-right:1px solid #dfe5e7;border-bottom:1px solid #dfe5e7;background:#fff}
.about-capability-grid article>span{display:block;color:var(--accent);font-size:.8rem;font-weight:800}
.about-capability-grid h3{margin:2.5rem 0 .8rem;font-size:1.35rem;letter-spacing:0}
.about-capability-grid p{color:var(--text-secondary);line-height:1.8}
.about-team-tags{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.75rem 0 0;padding:0;list-style:none}
.about-team-tags li{padding:.5rem .8rem;border:1px solid var(--accent-border);border-radius:999px;color:var(--accent-dark);font-size:.82rem;font-weight:650}
.about-section-intro-light h2{color:#fff}
.about-section-intro-light>p:last-child{color:rgba(255,255,255,.62)}
.about-band-dark .about-section-kicker{color:#ffd932}
.about-awards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.about-award-item{display:grid;grid-template-columns:180px 1fr;min-height:220px;background:#fff;border-radius:8px;overflow:hidden;color:var(--text-primary)}
.about-award-item img{width:100%;height:100%;min-height:220px;object-fit:cover;background:#fff}
.about-award-item>div{padding:1.5rem}
.about-award-item span{color:var(--accent-dark);font-size:.75rem;font-weight:800}
.about-award-item h3{margin:.55rem 0 .7rem;font-size:1.1rem;line-height:1.45;letter-spacing:0}
.about-award-item p{color:var(--text-secondary);font-size:.86rem;line-height:1.6}
.about-award-item a{display:inline-block;margin-top:1rem;color:var(--accent-dark);font-size:.84rem;font-weight:750}
.about-network-grid{display:grid;grid-template-columns:repeat(2,1fr);margin-top:2.5rem;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.about-network-grid>div{padding:2.2rem 2rem}
.about-network-grid>div+div{border-left:1px solid var(--border)}
.about-network-grid h3{margin-bottom:.75rem;font-size:1.15rem;letter-spacing:0}
.about-network-grid p,.about-hq{color:var(--text-secondary);line-height:1.8}
.about-hq{max-width:780px;margin:2rem auto 0;text-align:center}
.about-network-link{text-align:center;margin-top:1.5rem}
.about-evidence-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);align-items:center}
.about-evidence-row>div:last-child{color:var(--text-secondary);font-size:1.02rem;line-height:1.8}
.about-evidence-row a{display:inline-block;margin-top:1.1rem;color:var(--accent-dark);font-weight:750}
.about-page-cta{padding:6rem 0;background:#10182a;color:#fff;text-align:center}
.about-page-cta h2{max-width:820px;margin:0 auto;font-size:clamp(2rem,4vw,3.5rem);line-height:1.18;letter-spacing:0;text-wrap:balance;color:#fff}
.about-page-cta p{max-width:650px;margin:1.25rem auto 2rem;color:rgba(255,255,255,.65);line-height:1.8}
@media(max-width:1024px){
  .about-page-hero{padding:8rem 0 4.5rem}
  .about-two-column,.about-evidence-row{grid-template-columns:1fr;gap:2rem}
  .about-awards-grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  .about-page-hero{padding:7rem 0 3.75rem}
  .about-page-hero h1{font-size:clamp(2.15rem,11vw,3.25rem)}
  .about-page-actions{align-items:stretch;flex-direction:column}
  .about-page-actions a{justify-content:center;width:100%}
  .about-facts-grid{grid-template-columns:repeat(2,1fr)}
  .about-facts-grid>div{min-height:120px;border-bottom:1px solid var(--border)}
  .about-facts-grid>div:nth-child(2){border-right:0}
  .about-facts-grid>div:nth-child(n+3){border-bottom:0}
  .about-band{padding:4.5rem 0}
  .about-capability-grid{grid-template-columns:1fr}
  .about-capability-grid article{min-height:0;padding:1.6rem}
  .about-capability-grid h3{margin:1.5rem 0 .7rem}
  .about-award-item{grid-template-columns:1fr}
  .about-award-item img{height:220px;min-height:0}
  .about-network-grid{grid-template-columns:1fr}
  .about-network-grid>div+div{border-left:0;border-top:1px solid var(--border)}
  .about-page-cta{padding:4.5rem 0}
}
.floating-action-stack{gap:12px!important;transform:none!important}
.floating-action-stack>div{width:60px!important;height:60px!important;border-radius:50%!important}
.floating-action-stack svg{width:32px!important;height:32px!important}
@media(max-width:768px){
  .floating-action-stack{gap:10px!important}
  .floating-action-stack>div{width:58px!important;height:58px!important}
  .floating-action-stack svg{width:30px!important;height:30px!important}
}
@media(max-width:480px){
  .floating-action-stack{right:.75rem!important;bottom:.75rem!important}
}