:root{
  --navy:#0A3A85;
  --navy-d:#072C66;
  --blue:#1E63C8;
  --blue-2:#2E82E0;
  --blue-l:#EAF1FB;
  --blue-ll:#F5F9FE;
  --ink:#16223A;
  --muted:#5B6B82;
  --line:#DCE6F2;
  --white:#fff;
  --radius:16px;
  --maxw:1120px;
  --shadow:0 10px 30px rgba(10,58,133,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--white);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:38px;width:auto}
.logo .txt{font-weight:800;font-size:16px;color:var(--navy);letter-spacing:.5px}
.menu{display:flex;gap:28px;align-items:center}
.menu a{color:var(--muted);font-size:15px;font-weight:500;padding:6px 0;position:relative}
.menu a:hover,.menu a.active{color:var(--navy)}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--blue)}
.btn{display:inline-block;padding:10px 20px;border-radius:10px;font-weight:600;font-size:14px;transition:.2s;cursor:pointer}
.btn-solid{background:var(--navy);color:#fff}
.btn-solid:hover{background:var(--navy-d)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--navy)}
.btn-ghost{border:1px solid var(--blue);color:var(--blue)}
.btn-ghost:hover{background:var(--blue);color:#fff}

/* hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);color:#fff;padding:84px 0 76px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero .kicker{letter-spacing:3px;text-transform:uppercase;font-size:13px;color:#bcd4f5;font-weight:600}
.hero h1{font-size:42px;line-height:1.28;font-weight:800;margin:14px 0 16px;max-width:780px}
.hero p{font-size:18px;color:#d6e3f7;max-width:600px;margin-bottom:28px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.hero .cta .btn-ghost:hover{background:#fff;color:var(--navy)}
.stats-strip{display:flex;gap:38px;margin-top:46px;flex-wrap:wrap}
.stats-strip .s .n{font-size:30px;font-weight:800;color:#fff}
.stats-strip .s .l{font-size:13px;color:#bcd4f5}

/* section */
section{padding:66px 0}
.sec-head{text-align:center;margin-bottom:42px}
.sec-head .kicker{color:var(--blue);font-weight:700;font-size:13px;letter-spacing:2px}
.sec-head h2{font-size:30px;margin-top:8px;font-weight:800;color:var(--navy)}
.sec-head p{color:var(--muted);margin-top:10px}
.bg-soft{background:var(--blue-ll)}

/* breadcrumb */
.breadcrumb{padding:18px 0 0;font-size:13.5px;color:var(--muted)}
.breadcrumb a{color:var(--blue)}
.breadcrumb span{color:var(--ink)}

/* grid */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(10,58,133,.14)}
.card .ic{width:56px;height:56px;border-radius:14px;background:var(--blue-l);color:var(--navy);display:grid;place-items:center;font-size:28px;margin-bottom:16px}
.card h3{font-size:21px;margin-bottom:8px;color:var(--navy)}
.card .sub{color:var(--blue);font-size:13px;font-weight:600;margin-bottom:14px}
.card ul{list-style:none;color:var(--muted);font-size:14.5px;flex:1}
.card li{padding:8px 0;border-top:1px dashed var(--line);display:flex;gap:8px}
.card li:first-child{border-top:none}
.card .more{margin-top:18px}
.card .more a{color:var(--blue);font-weight:600;font-size:14px}

/* subnav */
.subnav{display:flex;gap:12px;margin:4px 0 30px;flex-wrap:wrap}
.subnav a{padding:9px 18px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:14px;font-weight:600}
.subnav a:hover,.subnav a.active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* about */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.about h3{font-size:24px;color:var(--navy);margin-bottom:14px}
.about p{color:var(--muted);margin-bottom:14px;font-size:15px}
.about .panel{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-radius:var(--radius);padding:30px}
.about .panel .row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:15px}
.about .panel .row:last-child{border-bottom:none}
.about .panel .row b{font-weight:600}

/* creds */
.cred{text-align:center}
.cred .seal{width:64px;height:64px;border-radius:50%;background:var(--blue-l);color:var(--navy);display:grid;place-items:center;margin:0 auto 14px;font-size:28px}
.cred h4{font-size:16px;color:var(--navy);margin-bottom:6px}
.cred p{font-size:13px;color:var(--muted)}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact .info{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.contact .row{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px}
.contact .row .k{color:var(--navy);font-weight:600;min-width:72px}
.contact .row .v{color:var(--ink)}
.contact .map{background:linear-gradient(135deg,var(--blue-l),#dbe8fb);border-radius:var(--radius);min-height:280px;display:grid;place-items:center;color:var(--muted);text-align:center;border:1px dashed #b9cdee;padding:20px}

/* footer */
footer{background:var(--navy-d);color:#c5d4ea;padding:38px 0;font-size:13.5px;margin-top:20px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;align-items:center}
footer a{color:#9fc0ee}
footer .lic{color:#8aa0c4}
footer .flogo{font-weight:800;color:#fff;font-size:16px}

/* responsive */
@media(max-width:820px){
  .menu{display:none}
  .hero h1{font-size:28px}
  .grid2,.grid3,.about,.contact{grid-template-columns:1fr}
  section{padding:48px 0}
  .hero{padding:60px 0}
}