:root{--color-primary:#0f2b4c;--color-secondary:#1d4e89;--color-accent:#e8a33d;--color-bg:#fff;--color-bg-alt:#f5f7fa;--color-text:#1c2733;--color-text-muted:#5b6b7c;--color-border:#e3e8ee;--font-sans:'Inter','Segoe UI',system-ui,-apple-system,Arial,sans-serif;--radius:12px;--radius-sm:8px;--shadow:0 6px 24px rgba(15,43,76,.10);--shadow-sm:0 2px 10px rgba(15,43,76,.08);--container-max:1180px;--header-h:72px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--color-secondary);text-decoration:none;transition:color .2s}
a:hover{color:var(--color-primary)}
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--color-primary);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:all .2s ease;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-secondary);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--color-accent);color:#fff}
.btn-accent:hover{background:#d8942a;color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.topbar{background:var(--color-primary);color:#dbe6f2;font-size:13.5px;padding:8px 0}
.topbar .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:#fff}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(6px);border-bottom:1px solid var(--color-border)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.brand{font-weight:800;font-size:19px;color:var(--color-primary);letter-spacing:-.02em}
.brand span{color:var(--color-accent)}
.nav{display:flex;align-items:center;gap:26px}
.nav > a{color:var(--color-text);font-size:15px;font-weight:500}
.nav > a:hover,.nav > a.active{color:var(--color-secondary)}
.nav .btn{padding:9px 20px;font-size:14px}
.has-dropdown{position:relative}
.dropdown{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-sm);box-shadow:var(--shadow);min-width:230px;padding:10px;opacity:0;visibility:hidden;transition:all .18s ease;z-index:60}
.has-dropdown:hover .dropdown,.has-dropdown:focus-within .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:9px 14px;border-radius:6px;color:var(--color-text);font-size:14.5px}
.dropdown a:hover{background:var(--color-bg-alt);color:var(--color-secondary)}
.nav-toggle{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--color-primary);line-height:1}
.footer{background:var(--color-primary);color:#c9d6e6;padding:56px 0 26px;font-size:14.5px}
.footer a{color:#dce7f4}
.footer a:hover{color:#fff}
.footer .grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:36px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer li{list-style:none;margin-bottom:9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;font-size:13px;color:#93a9c2;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
@media (max-width:920px){
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;gap:6px;padding:16px 24px 24px;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow);display:none}
  .nav.open{display:flex}
  .has-dropdown .dropdown{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0 0 0 14px;min-width:0}
  .nav-toggle{display:block}
  .footer .grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:560px){
  .footer .grid{grid-template-columns:1fr}
  .container{padding:0 18px}
}