:root{
  --brand:#0f3d6e; --brand-2:#1976d2; --accent:#00b894;
  --ink:#101828; --muted:#5b6b7f; --line:#e6e9ef; --bg:#f7f9fc; --card:#fff;
  --radius:14px; --shadow:0 6px 24px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.logo{font-weight:800;color:var(--brand);font-size:1.05rem;letter-spacing:-.2px}
.logo span{color:var(--accent)}
.nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.nav a{color:var(--ink);font-weight:600;font-size:.95rem}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:11px 20px;border-radius:10px;font-weight:700;border:0;cursor:pointer}
.btn:hover{background:#0b2f56;text-decoration:none}
.btn.accent{background:var(--accent)}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--line)}
.hero{background:linear-gradient(160deg,#0f3d6e,#1976d2);color:#fff;padding:64px 0}
.hero h1{font-size:2.4rem;line-height:1.15;margin:0 0 14px;letter-spacing:-.5px}
.hero p{font-size:1.1rem;max-width:640px;opacity:.95}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.searchbar{display:flex;gap:8px;margin-top:26px;flex-wrap:wrap}
.searchbar select,.searchbar input{padding:12px 14px;border-radius:10px;border:0;font-size:1rem;min-width:200px}
.section{padding:56px 0}
.section h2{font-size:1.7rem;margin:0 0 8px;letter-spacing:-.3px}
.section .lead{color:var(--muted);margin:0 0 28px}
.grid{display:grid;gap:20px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{margin:0 0 6px;font-size:1.15rem}
.card p{color:var(--muted);margin:0 0 14px}
.price{font-size:1.6rem;font-weight:800;color:var(--brand)}
.price small{font-size:.85rem;color:var(--muted);font-weight:600}
.card ul{margin:14px 0 0;padding-left:18px;color:var(--ink)}
.card ul li{margin:6px 0}
.badge{display:inline-block;background:#e7f7f2;color:#059669;font-size:.72rem;font-weight:800;padding:4px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.5px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.chip{background:#eef3fb;color:var(--brand);border-radius:999px;padding:6px 12px;font-size:.85rem;font-weight:600}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem}
th{background:#f1f5fb;font-size:.85rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
summary{font-weight:700;cursor:pointer}
footer.site{background:#0b1b2b;color:#c7d2dd;padding:44px 0;margin-top:20px}
footer.site a{color:#c7d2dd}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
footer h4{color:#fff;margin:0 0 10px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:6px 0}
.form{display:grid;gap:12px;max-width:460px}
.form input,.form select,.form textarea{padding:12px;border-radius:10px;border:1px solid var(--line);font-size:1rem}
.breadcrumb{font-size:.85rem;color:var(--muted);padding:14px 0}
.notice{background:#fff8e6;border:1px solid #ffe2a8;border-radius:12px;padding:14px 16px;color:#7a5a00}
@media(max-width:820px){
  .grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .nav ul{display:none}
  .hero h1{font-size:1.7rem}
  footer .cols{grid-template-columns:1fr}
}