:root{
  --ink:#102033;
  --navy:#0f2742;
  --navy-2:#173858;
  --gold:#c7a461;
  --bg:#f6f8fb;
  --line:#e5eaf0;
  --muted:#667487;
  --white:#fff;
  --shadow:0 18px 45px rgba(15,39,66,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(229,234,240,.9)}
.nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(15,39,66,.18)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;letter-spacing:.04em}
.brand-text small{font-size:9px;letter-spacing:.18em;color:#8190a1;margin-top:4px}
.nav{display:flex;align-items:center;gap:26px;font-size:14px;color:#425267}
.nav a{transition:.2s}
.nav a:hover{color:var(--navy)}
.nav-cta{padding:9px 16px;border-radius:999px;background:var(--navy);color:#fff!important}
.menu-btn{display:none;border:0;background:transparent;font-size:25px;cursor:pointer;color:var(--navy)}
.hero{overflow:hidden;background:linear-gradient(135deg,#f9fbfd 0%,#eff4f9 58%,#f8f6f1 100%);padding:86px 0 74px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:58px}
.eyebrow,.section-kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;color:#57718b;margin-bottom:14px}
.hero h1{font-size:clamp(42px,5.4vw,70px);line-height:1.15;letter-spacing:-.045em;margin:0 0 22px;color:#0d243b}
.hero-copy>p{font-size:17px;color:#536377;max-width:660px;margin:0}
.hero-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:12px;font-size:14px;font-weight:700;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.primary{background:var(--navy);color:#fff;box-shadow:0 10px 24px rgba(15,39,66,.2)}
.secondary{background:#fff;border:1px solid #dce4ec;color:var(--navy)}
.hero-meta{display:flex;gap:34px;margin-top:38px;padding-top:28px;border-top:1px solid #d9e2eb}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta strong{font-size:21px;color:var(--navy)}
.hero-meta span{font-size:12px;color:#8090a1;margin-top:2px}
.hero-card{position:relative;min-height:430px;border-radius:34px;background:linear-gradient(145deg,#102b49,#0d2035);box-shadow:0 30px 70px rgba(15,39,66,.22);overflow:hidden;display:flex;align-items:flex-end}
.hero-card:after{content:"";position:absolute;inset:20px;border:1px solid rgba(255,255,255,.1);border-radius:24px}
.orb{position:absolute;border-radius:50%;filter:blur(1px)}
.orb-a{width:230px;height:230px;background:rgba(199,164,97,.20);right:-40px;top:-35px}
.orb-b{width:170px;height:170px;background:rgba(79,140,187,.22);left:-50px;bottom:50px}
.hero-card-inner{position:relative;z-index:2;color:#fff;padding:42px}
.hero-card-inner span{font-size:11px;letter-spacing:.24em;color:#c8d4e0}
.hero-card-inner h2{font-size:32px;margin:10px 0 10px;line-height:1.3}
.hero-card-inner p{color:#c6d2df;margin:0;max-width:360px}
.section{padding:90px 0}
.section h2{font-size:38px;line-height:1.2;margin:0 0 28px;color:#10263e}
.split{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:start}
.lead-copy p{font-size:18px;margin:0 0 18px;color:#34485f}
.lead-copy .muted{font-size:14px;color:#7a8796}
.soft{background:var(--bg)}
.cards{display:grid;gap:22px;margin-top:38px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 8px 28px rgba(15,39,66,.04)}
.card-no{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--gold)}
.card h3{font-size:21px;margin:16px 0 8px;color:#132b45}
.card p{margin:0;color:#667487;font-size:14px}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:34px}
.info-item{border:1px solid var(--line);border-radius:16px;padding:22px 24px;background:#fff;display:flex;flex-direction:column;gap:7px}
.info-item span{font-size:12px;color:#8895a3}
.info-item strong{font-size:15px;line-height:1.65;color:#253b52;font-weight:650;word-break:break-all}
.info-item.wide{grid-column:1/-1}
.dark{background:#0d2238;color:#dce6ef}
.dark h2{color:#fff}
.section-kicker.light{color:#aebfd0}
.license-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:54px;align-items:center}
.license-grid p{color:#b8c6d4;margin:0 0 28px}
.light-btn{background:#fff;color:#0d2238}
.license-card{position:relative;background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 24px 58px rgba(0,0,0,.28)}
.license-card img{width:100%;aspect-ratio:1280/940;object-fit:cover}
.license-card span{position:absolute;right:14px;bottom:14px;background:rgba(13,34,56,.82);color:#fff;padding:7px 12px;border-radius:999px;font-size:12px}
.contact-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;padding:48px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(135deg,#fff,#f8fafc);box-shadow:var(--shadow)}
.contact-box p{margin:0;color:#647487}
.contact-note{background:#10263e;color:#fff;border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:9px}
.contact-note span{font-size:12px;color:#aebdcb}
.contact-note strong{font-size:15px;line-height:1.65}
.contact-note small{margin-top:4px;color:#aebdcb}
.footer{background:#081827;color:#aab9c6;padding:34px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer strong{color:#fff;font-size:14px}
.footer p{margin:4px 0 0;font-size:12px}
.footer a{font-size:13px;color:#d8e3ec}
.footer .icp-record{margin-top:7px}
.footer .icp-record a{font-size:12px;color:#aab9c6;transition:.2s}
.footer .icp-record a:hover{color:#fff;text-decoration:underline}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:18px 20px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 16px 24px rgba(15,39,66,.08)}
  .nav.open{display:flex}
  .nav a{padding:12px 4px}
  .nav-cta{text-align:center;margin-top:6px}
  .hero{padding-top:56px}
  .hero-grid,.split,.license-grid,.contact-box{grid-template-columns:1fr}
  .hero-grid{gap:34px}
  .hero-card{min-height:320px}
  .split{gap:20px}
  .cards.three{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .info-item.wide{grid-column:auto}
  .section{padding:68px 0}
  .contact-box{padding:30px}
}
@media (max-width:560px){
  .container{width:min(100% - 28px,1120px)}
  .brand-text small{display:none}
  .hero h1{font-size:40px}
  .hero-copy>p{font-size:15px}
  .hero-meta{gap:18px;justify-content:space-between}
  .hero-meta strong{font-size:18px}
  .hero-card-inner{padding:30px}
  .hero-card-inner h2{font-size:27px}
  .section h2{font-size:31px}
  .lead-copy p{font-size:16px}
  .contact-box{padding:22px}
  .footer-inner{align-items:flex-start;flex-direction:column}
}