:root{
  --bg:#f4f8fc;
  --bg-soft:#eef4fa;
  --panel:#ffffff;
  --text:#182838;
  --text-soft:#5b6d80;
  --brand:#113b61;
  --brand-2:#2b74a8;
  --brand-3:#73abd4;
  --line:#dbe5ef;
  --line-soft:#e9eff5;
  --accent:#e9f4fc;
  --shadow:0 20px 60px rgba(16,41,67,.10);
  --shadow-soft:0 12px 30px rgba(16,41,67,.06);
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(115,171,212,.08), transparent 26%),
    linear-gradient(180deg,#f7fbff 0%,#f2f7fb 100%);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  line-height:1.82;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit}
.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--brand-2);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-weight:800;
}
.eyebrow::before{
  content:"";
  width:28px;height:1px;
  background:linear-gradient(90deg,var(--brand-2),transparent);
}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(219,229,239,.78);
}
.header-inner{
  min-height:80px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand-mark{
  width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
  color:#fff;font-weight:900;letter-spacing:.05em;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 14px 28px rgba(17,59,97,.18);
}
.brand-copy{display:flex;flex-direction:column}
.brand-copy strong{font-size:18px;line-height:1.1}
.brand-copy small{margin-top:5px;font-size:10px;color:#748596;letter-spacing:.04em;white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:22px}
.site-nav a{
  position:relative;text-decoration:none;color:#415368;font-size:14.5px;transition:color .18s ease;
}
.site-nav a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-8px;height:2px;background:var(--brand-2);border-radius:2px;transition:left .18s ease,right .18s ease;
}
.site-nav a:hover,.site-nav a.active{color:var(--brand);font-weight:700}
.site-nav a:hover::after,.site-nav a.active::after{left:0;right:0}
.site-nav .nav-cta{
  padding:10px 16px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 10px 24px rgba(17,59,97,.14);
}
.site-nav .nav-cta::after{display:none}
.menu-btn{
  display:none;border:1px solid var(--line);background:#fff;color:var(--brand);border-radius:12px;padding:8px 12px;cursor:pointer;font-size:15px;
}

.hero,.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-soft);
}
.hero::before,.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(248,252,255,.98) 0%,rgba(248,252,255,.93) 28%,rgba(248,252,255,.78) 52%,rgba(248,252,255,.45) 74%,rgba(248,252,255,.15) 100%),
    url("shenzhen-skyline-hero.png") center center / cover no-repeat;
}
.hero::after,.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:150px;
  background:linear-gradient(180deg,rgba(244,248,252,0),rgba(244,248,252,.95));
}
.hero-inner{
  position:relative;z-index:1;min-height:720px;
  display:grid;grid-template-columns:1.06fr .94fr;gap:40px;align-items:center;
  padding:96px 0 100px;
}
.hero-copy h1{
  margin:16px 0 22px;font-size:clamp(46px,6vw,76px);line-height:1.05;letter-spacing:-.05em;max-width:760px;
}
.hero-copy .lead{font-size:19px;color:#516579;max-width:740px;margin:0 0 14px}
.hero-copy .sublead{max-width:760px;color:#687b8d;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 20px;border-radius:14px;font-weight:700;text-decoration:none;border:1px solid var(--brand);transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 14px 30px rgba(17,59,97,.16)}
.btn-secondary{color:var(--brand);background:rgba(255,255,255,.86)}
.hero-side{display:grid;gap:18px}
.glass-card{
  position:relative;overflow:hidden;border-radius:30px;padding:32px;color:#fff;
  background:linear-gradient(180deg,rgba(15,45,73,.88),rgba(17,58,94,.80));
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 28px 60px rgba(8,32,56,.22);
  backdrop-filter:blur(14px);
}
.glass-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),rgba(255,255,255,0));
}
.glass-card h2{font-size:31px;margin:10px 0 14px;line-height:1.25}
.glass-card p{margin:0;color:rgba(255,255,255,.82)}
.pill-list{margin:22px 0 0;padding:0;display:grid;gap:12px}
.pill-list li{
  list-style:none;padding:13px 14px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);color:#edf5fb;
}
.feature-float{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.float-box{
  padding:18px 16px;border-radius:22px;background:rgba(255,255,255,.84);border:1px solid rgba(219,229,239,.9);box-shadow:var(--shadow-soft);
}
.float-box strong{display:block;margin-bottom:6px;color:var(--brand);font-size:21px}
.float-box span{color:#637587;font-size:13px}
.page-hero-inner{
  position:relative;z-index:1;min-height:360px;display:flex;align-items:center;padding:84px 0 72px;
}
.page-hero h1{margin:14px 0 14px;font-size:clamp(40px,5vw,60px);letter-spacing:-.04em}
.page-hero p{max-width:840px;margin:0;color:#5b6f83;font-size:18px}
.section{padding:92px 0}
.section-white{background:#fff}
.section-soft{
  background:
    radial-gradient(circle at 86% 15%, rgba(115,171,212,.12), transparent 25%),
    linear-gradient(180deg,#f9fcff,#eff5fa);
}
.section-dark{
  color:#fff;
  background:
    radial-gradient(circle at 85% 18%, rgba(97,166,214,.22), transparent 26%),
    linear-gradient(135deg,#0f2f4d,#174e7b);
}
.section-dark p{color:rgba(255,255,255,.78)}
.section-dark .eyebrow{color:#abd4f0}
.section-head{max-width:860px;margin-bottom:38px}
.section-head h2{margin:12px 0 14px;font-size:40px;line-height:1.18}
.section-head p{margin:0;color:var(--text-soft)}
.section-dark .section-head p{color:rgba(255,255,255,.76)}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{
  position:relative;overflow:hidden;padding:30px;border-radius:24px;background:rgba(255,255,255,.98);border:1px solid var(--line);box-shadow:var(--shadow-soft);transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--brand),var(--brand-3));
}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--accent);color:var(--brand);font-weight:900;margin-bottom:16px;
}
.card .index{color:var(--brand-2);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.card h3{margin:12px 0 10px;font-size:23px;line-height:1.28}
.card p{margin:0;color:#5d6f83}
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:28px;align-items:start}
.panel{
  padding:36px;background:#fff;border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow-soft);
}
.panel h3{margin:10px 0 14px;font-size:31px}
.panel p{color:#5d7084}
.check-list{margin:18px 0 0;padding:0;display:grid;gap:12px}
.check-list li{
  list-style:none;position:relative;padding:14px 16px 14px 46px;border-radius:16px;background:#f6fbff;border:1px solid var(--line-soft);color:#526678;
}
.check-list li::before{
  content:"✓";position:absolute;left:16px;top:12px;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--brand-2);color:#fff;font-size:12px;font-weight:900;
}
.process{display:grid;gap:16px;counter-reset:step}
.process-item{
  position:relative;padding:20px 20px 20px 74px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft);
}
.process-item::before{
  counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:40px;height:40px;display:grid;place-items:center;border-radius:14px;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.process-item h4{margin:0 0 8px;font-size:18px}
.process-item p{margin:0;color:#607285}
.quote{
  position:relative;padding:40px 42px;color:#fff;border-radius:32px;background:linear-gradient(135deg,#123c62,#2a76aa);box-shadow:var(--shadow);
}
.quote::before{
  content:"“";position:absolute;right:28px;top:0;font-size:120px;line-height:1;color:rgba(255,255,255,.10);font-family:Georgia,serif;
}
.quote p{margin:0;font-size:22px;line-height:1.86}
.quote small{display:block;margin-top:15px;color:rgba(255,255,255,.76)}
.band{
  padding:38px 40px;border-radius:30px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:var(--shadow);
}
.band h2{margin:0 0 10px;font-size:31px}
.band p{margin:0;color:rgba(255,255,255,.78)}
.band .btn{border-color:#fff;background:#fff;color:var(--brand)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.metric{
  padding:24px 18px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);
}
.metric strong{display:block;margin-bottom:6px;font-size:22px}
.metric span{color:rgba(255,255,255,.70);font-size:13px}
.prose{max-width:960px}
.prose h2{margin:48px 0 14px;font-size:33px}
.prose p,.prose li{color:#596c80}
.prose ul{padding-left:22px}
.info-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.info-list li{
  display:grid;grid-template-columns:200px 1fr;gap:22px;padding:16px 0;border-bottom:1px solid var(--line);
}
.info-list strong{color:#314459}
.notice{
  padding:22px 24px;border-radius:18px;border:1px solid #d9e5ee;background:linear-gradient(180deg,#f4f8fc,#edf4fa);color:#55697b;
}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-box{
  background:#fff;border:1px solid var(--line);border-radius:28px;padding:32px;box-shadow:var(--shadow-soft);
}
.contact-box h2{margin:10px 0 12px;font-size:28px}
.contact-box p{margin:0 0 14px;color:#5e7184}
.contact-items{display:grid;gap:14px;margin-top:20px}
.contact-item{
  padding:18px 18px;border-radius:18px;background:var(--accent);border:1px solid #d8e6f0;
}
.contact-item strong{
  display:block;margin-bottom:5px;color:var(--brand-2);font-size:12px;text-transform:uppercase;letter-spacing:.08em;
}
.contact-item a{text-decoration:none;font-size:18px;font-weight:800;color:var(--brand)}
.site-footer{background:linear-gradient(180deg,#0f1721,#101a25);color:#d8e1e8}
.footer-main{
  display:grid;grid-template-columns:1.35fr .65fr 1fr;gap:36px;padding:56px 0 32px;
}
.footer-main h3{margin:0 0 12px;color:#fff;font-size:16px}
.footer-main p,.footer-main a{color:#9fadba;font-size:14px;text-decoration:none}
.footer-links{display:grid;gap:8px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;border-top:1px solid rgba(255,255,255,.10);padding:18px 0 24px;color:#8f9dac;font-size:13px;
}
.footer-bottom a{color:#c5d0da;text-decoration:none}
@media (max-width:1100px){
  .hero-inner,.split,.grid-3,.grid-2,.contact-grid,.footer-main,.feature-float,.metric-grid{grid-template-columns:1fr}
  .hero-inner{min-height:auto}
}
@media (max-width:980px){
  .site-nav{
    display:none;position:absolute;left:20px;right:20px;top:70px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:12px;
  }
  .site-nav.open{display:flex}
  .menu-btn{display:block}
}
@media (max-width:700px){
  .container{width:min(calc(100% - 28px),var(--max))}
  .hero-inner{padding:68px 0 60px}
  .page-hero-inner{min-height:270px;padding:58px 0 44px}
  .section{padding:70px 0}
  .hero-copy h1{font-size:42px}
  .section-head h2{font-size:32px}
  .page-hero h1{font-size:40px}
  .glass-card,.panel,.card,.quote,.band,.contact-box{padding:24px}
  .band{grid-template-columns:1fr}
  .info-list li{grid-template-columns:1fr;gap:4px}
  .brand-copy small{display:none}
}