*,
*::before,
*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:#f3f4f6;
  color:#0f172a;
  line-height:1.8;
  display:flex;
  flex-direction:column;
  min-height:100vh;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 16px}

/* 顶部：典型企业站头部（上信息条 + 下主导航） */
.site-header{
  background:#0f172a;
  color:#e5e7eb;
  box-shadow:0 16px 40px rgba(15,23,42,.7);
}
.site-header__top{
  border-bottom:1px solid rgba(30,64,175,.7);
  font-size:11px;color:rgba(148,163,184,.96);
}
.top-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:6px 0;
}
.top-row__right{display:flex;align-items:center;gap:14px}

.site-header__main{
  padding:10px 0;
}
.main-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
}
.brand{
  display:flex;align-items:center;gap:10px;
}
.brand__mark{
  width:34px;height:34px;border-radius:11px;
  background:conic-gradient(from 180deg,#22c55e,#0ea5e9,#22d3ee,#22c55e);
  padding:2px;
}
.brand__mark span{
  width:100%;height:100%;border-radius:9px;
  background:#020617;color:#bbf7d0;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:16px;
}
.brand__name{display:flex;flex-direction:column;line-height:1.1}
.brand__name strong{font-size:15px}
.brand__name small{font-size:12px;color:rgba(148,163,184,.96);font-weight:700}

.nav{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.nav a{
  font-size:13px;font-weight:700;
  padding:7px 12px;border-radius:999px;
  border:1px solid transparent;
  color:rgba(226,232,240,.96);
  transition:background .18s,border-color .18s,color .18s,transform .18s;
}
.nav a:hover{
  background:rgba(15,118,110,.4);
  border-color:rgba(45,212,191,.6);
}
.nav a.active{
  background:#22c55e;
  border-color:#22c55e;
  color:#022c22;
}

.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:7px 13px;border-radius:999px;
  background:#22c55e;color:#022c22;
  font-size:12px;font-weight:800;
  box-shadow:0 14px 36px rgba(22,163,74,.7);
}
.nav-cta:hover{transform:translateY(-1px);filter:saturate(1.05)}

main{flex:1;}

/* Hero：企业站经典“左文右图”+ 下方三栏亮点 */
.hero{
  background:#0b1120;
  color:#e5e7eb;
  padding:26px 0 20px;
  border-bottom:1px solid rgba(30,64,175,.7);
}
.hero__grid{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1.1fr);
  gap:18px;
}
.hero__text h1{
  font-size:26px;line-height:1.35;margin-bottom:8px;
}
.hero__text p{
  font-size:13px;color:rgba(191,219,254,.96);
}
.hero__tags{
  margin-top:10px;
  display:flex;flex-wrap:wrap;gap:8px;
  font-size:11px;
}
.tag{
  padding:4px 8px;border-radius:999px;
  background:#020617;color:#bfdbfe;
  border:1px solid rgba(56,189,248,.7);
}
.hero__actions{
  margin-top:12px;
  display:flex;gap:10px;flex-wrap:wrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 14px;border-radius:999px;border:1px solid transparent;
  font-size:12px;font-weight:800;
  transition:background .18s,border-color .18s,color .18s,transform .18s,box-shadow .18s;
}
.btn--primary{
  background:linear-gradient(135deg,#22c55e,#0ea5e9);
  color:#022c22;
  box-shadow:0 16px 40px rgba(16,185,129,.7);
}
.btn--primary:hover{transform:translateY(-1px);filter:saturate(1.05)}
.btn--ghost{
  background:transparent;border-color:rgba(148,163,184,.85);color:rgba(226,232,240,.96);
}
.btn--ghost:hover{border-color:#e5e7eb}

.hero__visual{
  border-radius:20px;
  border:1px solid rgba(30,64,175,.7);
  overflow:hidden;
  background:#020617;
  box-shadow:0 24px 60px rgba(15,23,42,.9);
}
.hero__visual img{
  width:100%;height:220px;object-fit:cover;
}
.hero__visualInfo{
  padding:10px 12px;font-size:12px;color:rgba(191,219,254,.96);
}
.hero__visualInfo strong{display:block;margin-bottom:2px;color:#e5e7eb}

.hero__highlights{
  margin-top:16px;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;
}
.highlight{
  border-radius:16px;
  border:1px solid rgba(51,65,85,.9);
  background:#020617;
  padding:9px 10px 8px;
  font-size:11px;color:rgba(191,219,254,.96);
}
.highlight b{display:block;font-size:13px;margin-bottom:2px;color:#bfdbfe}

/* 内容区：关于+能力分区 + FAQ */
.section{
  padding:20px 0;
}
.card{
  background:#ffffff;
  border-radius:20px;
  border:1px solid rgba(15,23,42,.06);
  box-shadow:0 16px 40px rgba(15,23,42,.06);
  padding:16px 16px 12px;
}
.card-head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:12px;flex-wrap:wrap;margin-bottom:10px;
}
.card-head h2{font-size:18px}
.card-head p{font-size:13px;color:#6b7280;max-width:640px}

.grid-2{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;
}
.text-block{
  font-size:13px;color:#4b5563;
}
.pill-list{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
}
.pill{
  border-radius:16px;
  background:linear-gradient(135deg,rgba(14,165,233,.08),rgba(34,197,94,.08));
  border:1px solid rgba(148,163,184,.7);
  padding:9px 10px 8px;
  font-size:12px;color:#374151;
}
.pill strong{display:block;font-size:13px;margin-bottom:3px}

.faq-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
  margin-top:6px;
}
.faq-grid details{
  border-radius:16px;
  background:#f9fafb;
  border:1px solid rgba(148,163,184,.7);
  padding:8px 10px;
  font-size:12px;color:#374151;
}
.faq-grid summary{cursor:pointer;font-weight:700}
.faq-grid summary::-webkit-details-marker{display:none}
.faq-grid p{margin-top:6px}

/* 页脚 */
.footer{
  margin-top:22px;
  background:#020617;
  border-top:1px solid rgba(15,23,42,.6);
  color:rgba(248,250,252,.9);
}
.footer__grid{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.9fr) minmax(0,.9fr);
  gap:12px;padding:16px 0 10px;
  font-size:13px;color:rgba(209,213,219,.9);
}
.footer h4{font-size:14px;margin-bottom:6px;color:rgba(248,250,252,.96)}
.footer a{display:block;padding:3px 0;color:rgba(209,213,219,.9)}
.footer a:hover{color:#ffffff;text-decoration:underline}
.footer__bottom{
  border-top:1px solid rgba(15,23,42,.6);
  padding:8px 0 10px;
  font-size:12px;color:rgba(148,163,184,.9);
}

@media (max-width: 960px){
  .top-row{flex-wrap:wrap}
  .top-row__right{flex-wrap:wrap}
  .main-row{flex-wrap:wrap}
  .hero__grid{grid-template-columns:1fr}
  .hero__highlights{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-2{grid-template-columns:1fr}
  .pill-list{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .hero__text h1{font-size:24px}
  .hero__highlights{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
}