*{box-sizing:border-box}body{margin:0;font-family:"Segoe UI",Arial,sans-serif;color:#1d2a3a;background:#f4f8fb;line-height:1.55}
a{color:#0f5fa8;text-decoration:none}a:hover{text-decoration:underline}
header{background:#0f3d63;color:#fff}.bar{max-width:1040px;margin:auto;padding:18px 20px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:#fff}.logo img{width:30px;height:30px}
nav{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto}nav a{color:#d6e6f5;font-size:15px}nav a:hover{color:#fff}
.hero{background:linear-gradient(135deg,#0f3d63,#1d6aa5);color:#fff;padding:56px 20px}.hero div{max-width:1040px;margin:auto}
.hero h1{margin:0 0 10px;font-size:34px}.hero p{max-width:620px;font-size:18px;opacity:.92}
main{max-width:1040px;margin:auto;padding:36px 20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 1px 4px #0001}.card h3{margin-top:0}
.btn{display:inline-block;background:#0f5fa8;color:#fff;padding:10px 18px;border-radius:6px;border:0;font-size:15px;cursor:pointer}
form{max-width:380px;background:#fff;padding:24px;border-radius:10px;box-shadow:0 1px 4px #0001}
label{display:block;font-size:14px;margin:12px 0 4px}input{width:100%;padding:9px;border:1px solid #c8d3df;border-radius:6px;font-size:15px}
.err{background:#fdecec;color:#9b1c1c;padding:10px 14px;border-radius:6px;margin-bottom:14px}
footer{border-top:1px solid #dde5ee;color:#678;font-size:13px}footer div{max-width:1040px;margin:auto;padding:20px}