:root {
  color-scheme:light;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:#132b4d;
  background:#f4f7fc;
}
*{box-sizing:border-box}
body{margin:0}
a{text-decoration:none;color:inherit}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:19px max(24px,calc((100vw - 1160px)/2));
  background:#071b36;color:#fff
}
.logo{font-size:21px;font-weight:900;letter-spacing:1px}
.logo span{color:#57b6ff}
nav{display:flex;gap:12px}
nav a{font-size:12px;padding:7px 9px;border-radius:7px}
nav a[aria-current=page]{background:#1964c9}
.container{max-width:1160px;margin:auto;padding:28px 20px 75px}
.hero{
  position:relative;overflow:hidden;padding:55px 48px;
  border-radius:22px;
  background:radial-gradient(circle at 90% 15%,#175eac,transparent 45%),
             linear-gradient(115deg,#06172f,#0b3469);
  color:#fff
}
.eyebrow{font-size:11px;letter-spacing:2px;color:#8fd2ff;font-weight:800}
.hero h1{font-size:clamp(29px,4vw,45px);line-height:1.15;margin:19px 0}
.hero p{max-width:730px;color:#c4d9f0;line-height:1.7}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:30px}
.card{display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid #e0e8f5;border-radius:17px;box-shadow:0 8px 30px #12396b0b}
.card>img{width:100%;height:170px;object-fit:cover}
.card-content{display:flex;flex-direction:column;flex:1;padding:23px}
.card h2{font-size:19px;line-height:1.35;margin:0 0 13px}
.card p{color:#627792;font-size:14px;line-height:1.65;flex:1;overflow-wrap:anywhere}
.card strong{color:#0964dc;font-size:21px;margin:12px 0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:12px 19px;background:#1167e7;border-radius:10px;color:#fff;font-weight:750;text-align:center}
.btn:hover{background:#0754c4}
.breadcrumb{margin:23px 0;color:#1763c8;font-weight:650}
.detail{background:#fff;border:1px solid #e0e8f5;border-radius:19px;overflow:hidden}
.detail-image{display:block;width:100%;max-height:300px;object-fit:cover}
.detail-content{padding:30px 35px}
.detail-content h2{margin:0 0 18px}
.description{white-space:pre-line;overflow-wrap:anywhere;line-height:1.85;color:#465f80}
.price-panel{
  display:flex;align-items:center;justify-content:space-between;
  gap:25px;padding:23px 35px;background:#eaf3ff
}
.price-panel>div{display:flex;flex-direction:column;gap:6px}
.price-panel small{font-size:12px;color:#657c9a}
.price-panel strong{font-size:27px;color:#075bd2}
footer{text-align:center;padding:28px;color:#7185a0;font-size:13px}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){
  .topbar{padding:15px 17px}
  .logo{font-size:17px}
  .container{padding:16px 12px 45px}
  .hero{padding:35px 23px}
  .grid{grid-template-columns:1fr;gap:14px;margin-top:18px}
  .detail-content{padding:22px}
  .price-panel{padding:20px;align-items:stretch;flex-direction:column}
  .price-panel .btn{width:100%}
}