*{
    box-sizing:border-box;
    margin:0;
    padding:0;
}
body{
    font-family:Arial,Helvetica,sans-serif;
    line-height:1.6;
    color:#333;
    background:#fafafa;
}
.container{
    width:90%;
    max-width:960px;
    margin:auto;
    overflow:hidden;
    padding:20px 0;
}
.hero{
    background:#4a90e2;
    color:#fff;
    text-align:center;
    padding:100px 0;
}
.hero h1{
    font-size:2.5rem;
    margin-bottom:10px;
}
.hero p{
    font-size:1.2rem;
    margin-bottom:20px;
}
.btn-primary,.btn-secondary{
    display:inline-block;
    background:#fff;
    color:#4a90e2;
    padding:12px 25px;
    text-decoration:none;
    border-radius:5px;
    font-weight:bold;
    transition:background .3s;
}
.btn-primary:hover{
    background:#e6f2ff;
}
.btn-secondary{
    background:#4a90e2;
    color:#fff;
    margin-top:20px;
}
.btn-secondary:hover{
    background:#357ab8;
}
.features,.product{
    background:#fff;
    margin:40px 0;
    padding:20px 0;
}
.features h2,.product h2{
    text-align:center;
    margin-bottom:30px;
    color:#4a90e2;
}
.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:20px;
}
.card{
    background:#f9f9f9;
    padding:20px;
    border-radius:8px;
    box-shadow:0 2px 5px rgba(0,0,0,0.1);
}
.card h3{
    margin-top:0;
    color:#4a90e2;
}
.steps{
    background:#f0f8ff;
    padding:20px;
    border-radius:8px;
}
.steps li{
    margin-bottom:15px;
    font-size:1.1rem;
}
.note{
    font-size:0.9rem;
    color:#666;
    margin-top:10px;
}
footer{
    text-align:center;
    padding:20px 0;
    color:#777;
    font-size:0.9rem;
}