*{box-sizing:border-box}
body{
    margin:0;
    font-family:'Segoe UI',sans-serif;
    background:#f5f7fb;
    color:#1f1f1f;
    line-height:1.8;
}
header{
    background:#fff;
    padding:18px 60px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    box-shadow:0 2px 8px rgba(0,0,0,0.06);
    position:sticky;
    top:0;
    z-index:100;
}
.logo{
    font-size:28px;
    font-weight:700;
    color:#0067b8;
}
nav a{
    text-decoration:none;
    margin-left:22px;
    color:#333;
    font-weight:500;
}
.hero{
    padding:110px 60px;
    background:linear-gradient(135deg,#eef5fd,#dfefff);
}
.hero h1{
    font-size:58px;
    max-width:700px;
    margin-bottom:20px;
    color:#004578;
}
.hero p{
    font-size:21px;
    max-width:750px;
    color:#444;
}
.heroimg{
    width:100%;
    border-radius:18px;
    margin-top:40px;
}
.container{
    max-width:1180px;
    margin:auto;
    padding:70px 30px;
}
.section{
    margin-bottom:70px;
}
.section h2{
    font-size:38px;
    margin-bottom:20px;
    color:#004578;
}
.section p{
    margin-bottom:22px;
    font-size:18px;
}
.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:24px;
    margin-top:40px;
}
.card{
    background:#fff;
    padding:28px;
    border-radius:14px;
    box-shadow:0 3px 14px rgba(0,0,0,0.06);
}
.card h3{
    margin-top:0;
    color:#0067b8;
}
footer{
    background:#002050;
    color:white;
    padding:45px;
    text-align:center;
}
footer p{
    margin:8px 0;
}
.banner{
    width:100%;
    border-radius:16px;
    margin:30px 0;
}