@charset "UTF-8";

:root{
  --brand:#0056b3;
  --brand-2:#00b3ff;
  --ink:#0b1b34;
  --muted:#5b677a;
  --bg:#ffffff;
  --bg-soft:#f8f9fa;
  --card:#ffffff;
  --border:rgba(10,27,52,.12);
  --shadow:0 12px 40px rgba(6,20,45,.12);
  --radius:18px;
  --radius-sm:12px;
  --container:1160px;
}

*{box-sizing:border-box}
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(900px 460px at 12% 0%, rgba(0,86,179,.18), transparent 62%),
    radial-gradient(880px 520px at 88% 18%, rgba(0,179,255,.16), transparent 62%),
    radial-gradient(1200px 700px at 50% 110%, rgba(0,86,179,.10), transparent 55%),
    linear-gradient(180deg, #ffffff, #f6f9ff);
  line-height:1.6;
  word-break:break-word;
  overflow-wrap:anywhere;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}

.glass{
  background:rgba(255,255,255,.62);
  border:1px solid rgba(255,255,255,.42);
  box-shadow:0 18px 50px rgba(6,20,45,.10);
}
@supports ((-webkit-backdrop-filter: blur(10px)) or (backdrop-filter: blur(10px))){
  .glass{
    background:rgba(255,255,255,.52);
    -webkit-backdrop-filter:saturate(140%) blur(14px);
    backdrop-filter:saturate(140%) blur(14px);
  }
}

.skip-link{
  position:absolute;
  left:-999px;
  top:12px;
  z-index:9999;
  padding:10px 14px;
  border-radius:10px;
  background:#fff;
  border:1px solid var(--border);
}
.skip-link:focus{left:12px}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.70);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid rgba(10,27,52,.08);
  transition:box-shadow .2s ease, background .2s ease;
}
.topbar.is-scrolled{box-shadow:0 10px 30px rgba(6,20,45,.08)}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:18px;
  min-width:0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:220px;
  flex:0 1 auto;
}
.brand-badge{
  width:38px;
  height:38px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 12px 30px rgba(0,86,179,.22);
  position:relative;
  overflow:hidden;
}
.brand-badge::after{
  content:"";
  position:absolute;
  inset:-40%;
  background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.6), transparent 60%);
  transform:rotate(18deg);
}
.brand-title{
  font-weight:800;
  letter-spacing:.2px;
  line-height:1.2;
}
.brand-sub{display:block;color:var(--muted);font-weight:600;font-size:13px}

.nav-links{
  display:flex;
  align-items:center;
  gap:18px;
  min-width:0;
  flex:1 1 auto;
  justify-content:center;
}
.nav-links a{white-space:nowrap}
.nav-links a{
  color:rgba(11,27,52,.86);
  font-weight:700;
  font-size:14px;
  padding:10px 10px;
  border-radius:12px;
}
.nav-links a:hover{background:rgba(0,86,179,.08); color:var(--ink)}
.nav-links a[aria-current="page"]{
  background:rgba(0,86,179,.12);
  color:var(--brand);
}

.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta{flex:0 0 auto}

/* Flex gap fallback (older Safari/embedded browsers) */
.nav-inner > * + *{margin-left:18px}
.nav-links > a + a{margin-left:18px}
.nav-cta > * + *{margin-left:10px}
.breadcrumbs ol > * + *{margin-left:8px}
.toc > a + a{margin-left:10px}
.footer-links > a + a{margin-left:10px}
@supports (gap: 1rem){
  .nav-inner > * + *{margin-left:0}
  .nav-links > a + a{margin-left:0}
  .nav-cta > * + *{margin-left:0}
  .breadcrumbs ol > * + *{margin-left:0}
  .toc > a + a{margin-left:0}
  .footer-links > a + a{margin-left:0}
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid transparent;
  font-weight:800;
  letter-spacing:.2px;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  cursor:pointer;
  user-select:none;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#1678ff);
  color:#fff;
  box-shadow:0 16px 40px rgba(0,86,179,.22);
}
.btn-primary:hover{transform:translateY(-1px); box-shadow:0 18px 46px rgba(0,86,179,.28)}
.btn-outline{
  background:transparent;
  color:var(--brand);
  border-color:rgba(0,86,179,.30);
}
.btn-outline:hover{background:rgba(0,86,179,.08); transform:translateY(-1px)}
.btn-ghost{
  background:rgba(255,255,255,.54);
  color:var(--ink);
  border-color:rgba(10,27,52,.10);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  backdrop-filter:saturate(140%) blur(12px);
}
.btn-ghost:hover{background:rgba(255,255,255,.68)}

.hamburger{
  display:none;
  width:42px;
  height:42px;
  border-radius:14px;
  border:1px solid rgba(10,27,52,.10);
  background:rgba(255,255,255,.70);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
}
.hamburger i{color:var(--ink)}

.mobile-panel{
  display:none;
  border-top:1px solid rgba(10,27,52,.08);
  background:rgba(255,255,255,.70);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
}
.mobile-panel .container{padding:10px 20px 18px}
.mobile-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 12px;
  border-radius:12px;
  font-weight:800;
  color:rgba(11,27,52,.86);
}
.mobile-panel a:hover{background:rgba(0,86,179,.08); color:var(--ink)}
.mobile-panel .mobile-cta{margin-top:10px}

.hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(900px 380px at 18% 20%, rgba(0,179,255,.18), transparent 60%),
    radial-gradient(780px 420px at 88% 20%, rgba(0,86,179,.18), transparent 55%),
    linear-gradient(180deg, #ffffff, #f7fbff);
}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none}
.hero::after{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(800px 400px at 15% 10%, rgba(0,86,179,.22), transparent 60%),
    radial-gradient(700px 420px at 90% 0%, rgba(0,179,255,.22), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.62));
  pointer-events:none;
}
.hero-media{
  position:absolute;
  inset:0;
  z-index:0;
}
.hero-slide{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0;
  transform:scale(1.04);
  transition:opacity .9s ease;
  filter:saturate(1.12) contrast(1.06);
}
.hero-slide.is-active{opacity:.42}
.hero-controls{
  position:absolute;
  left:20px;
  bottom:20px;
  z-index:2;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.42);
  background:rgba(255,255,255,.52);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
}
.hero-controls button{
  width:40px;
  height:40px;
  border-radius:999px;
  border:1px solid rgba(10,27,52,.10);
  background:rgba(255,255,255,.72);
  cursor:pointer;
}
.hero-controls button:hover{background:rgba(255,255,255,.86)}
.hero-dots{display:flex;align-items:center;gap:8px;padding:0 4px}
.hero-dot{
  width:10px;
  height:10px;
  border-radius:999px;
  border:1px solid rgba(0,86,179,.24);
  background:rgba(255,255,255,.70);
  cursor:pointer;
}
.hero-dot[aria-current="true"]{background:linear-gradient(135deg,var(--brand),var(--brand-2)); border-color:rgba(255,255,255,.55)}
.hero-inner{
  position:relative;
  padding:84px 0 56px;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  align-items:center;
  gap:28px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(0,86,179,.08);
  border:1px solid rgba(0,86,179,.14);
  color:var(--brand);
  font-weight:900;
  letter-spacing:.2px;
  font-size:13px;
}
.hero h1{
  margin:14px 0 12px;
  font-size:44px;
  line-height:1.12;
  letter-spacing:0;
}
.hero p{
  margin:0 0 20px;
  color:rgba(11,27,52,.72);
  font-weight:650;
  font-size:16px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.hero-card{
  background:rgba(255,255,255,.62);
  border:1px solid rgba(255,255,255,.42);
  border-radius:var(--radius);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
  box-shadow:0 18px 50px rgba(6,20,45,.10);
  padding:18px;
}
.hero-card h2{margin:0 0 10px; font-size:16px}
.hero-metrics{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:10px;
}
.metric{
  padding:12px 12px;
  border-radius:14px;
  background:rgba(0,86,179,.06);
  border:1px solid rgba(0,86,179,.12);
}
.metric strong{display:block;font-size:18px}
.metric span{display:block;color:rgba(11,27,52,.72); font-weight:700; font-size:13px}

.section{padding:64px 0}
.section.alt{
  background:rgba(248,249,250,.55);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
}
.section-head h2{margin:0;font-size:28px;letter-spacing:0}
.section-head p{margin:0;color:var(--muted);font-weight:650;max-width:520px}

.grid{
  display:grid;
  gap:16px;
}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:rgba(255,255,255,.62);
  border:1px solid rgba(255,255,255,.42);
  border-radius:var(--radius);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
  box-shadow:0 10px 30px rgba(6,20,45,.06);
  padding:18px;
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  min-height:100%;
}
[data-card-link] .card{
  cursor:pointer;
}
[data-card-link] .card:focus-visible{
  outline:2px solid rgba(0,86,179,.45);
  outline-offset:3px;
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 45px rgba(6,20,45,.10);
  border-color:rgba(0,86,179,.18);
}
.card h3{margin:0 0 8px; font-size:16px}
.card p{margin:0;color:rgba(11,27,52,.72);font-weight:650}
.card .icon{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(0,86,179,.10);
  color:var(--brand);
  margin-bottom:12px;
}

.breadcrumbs{
  font-size:13px;
  color:rgba(11,27,52,.72);
  padding:14px 0 0;
}
.breadcrumbs ol{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs .sep{opacity:.55}
.breadcrumbs a{color:rgba(11,27,52,.72); font-weight:750}
.breadcrumbs a:hover{color:var(--brand)}

.content{
  padding:34px 0 18px;
}
.page-hero{
  padding:34px 0 20px;
  background:
    radial-gradient(720px 320px at 12% 20%, rgba(0,179,255,.12), transparent 55%),
    radial-gradient(720px 360px at 92% 0%, rgba(0,86,179,.12), transparent 50%),
    linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.70));
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid rgba(10,27,52,.08);
}
.page-hero h1{
  margin:10px 0 8px;
  font-size:34px;
  letter-spacing:0;
  line-height:1.16;
}
.page-hero p{margin:0;color:rgba(11,27,52,.72);font-weight:650;max-width:820px}

.toc{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.toc a{
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(0,86,179,.20);
  background:rgba(0,86,179,.06);
  color:var(--brand);
  font-weight:850;
  font-size:13px;
}
.toc a:hover{background:rgba(0,86,179,.10)}

.list-clean{margin:0;padding-left:18px}
.list-clean li{margin:6px 0;color:rgba(11,27,52,.78);font-weight:650}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  align-items:start;
}
.field{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-bottom:12px;
}
.field label{font-weight:800}
.field input,.field textarea, .field select{
  border-radius:14px;
  border:1px solid rgba(10,27,52,.14);
  padding:12px 12px;
  background:#fff;
  outline:none;
  font-size:14px;
}
.field input:focus,.field textarea:focus, .field select:focus{border-color:rgba(0,86,179,.45); box-shadow:0 0 0 4px rgba(0,86,179,.10)}
.field textarea{min-height:120px; resize:vertical}
.hint{color:rgba(11,27,52,.64); font-weight:650; font-size:13px}

.footer{
  background:linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.70));
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
  border-top:1px solid rgba(10,27,52,.08);
  padding:34px 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:20px;
  align-items:start;
}
.footer h2{margin:0 0 10px; font-size:16px}
.footer p{margin:0; color:rgba(11,27,52,.72); font-weight:650}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:12px;
}
.footer-links a{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.42);
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  backdrop-filter:saturate(140%) blur(12px);
  color:rgba(11,27,52,.78);
  font-weight:800;
  font-size:13px;
}
.footer-links a:hover{border-color:rgba(0,86,179,.22); color:var(--brand)}
.footer-bottom{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed rgba(10,27,52,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:space-between;
  color:rgba(11,27,52,.64);
  font-weight:650;
  font-size:13px;
}

.reveal{
  opacity:0;
  transform:translateY(10px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}

@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr; padding:64px 0 44px}
  .hero h1{font-size:36px}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-cta .btn-ghost{display:none}
  .hamburger{display:inline-grid; place-items:center}
}
@media (max-width: 1160px){
  .nav-links{gap:14px}
  .nav-links a{padding:10px 8px; font-size:13px}
  .brand{min-width:200px}
}
@media (max-width: 760px){
  .nav-links{display:none}
  .nav-cta .btn-ghost{display:none}
  .hamburger{display:inline-grid; place-items:center}
  .mobile-panel.is-open{display:block}
  .brand{min-width:unset}
  .hero h1{font-size:30px}
  .section{padding:52px 0}
  .section-head{flex-direction:column; align-items:flex-start}
  .grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
}