body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f9;
}
header {
    background: #2c3e50;
    color: #fff;
    padding: 1rem;
    text-align: center;
    border-radius: 8px 8px 0 0;
}
nav {
    background: #34495e;
    padding: 0.5rem;
    text-align: center;
}
nav a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
    font-weight: bold;
}
nav a:hover {
    text-decoration: underline;
}
main {
    background: #fff;
    padding: 20px;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
h1, h2 {
    color: #2c3e50;
}
.cta-box {
    background: #e74c3c;
    color: #fff;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    margin-top: 20px;
}
.cta-box button {
    background: #fff;
    color: #e74c3c;
    border: none;
    padding: 10px 20px;
    font-size: 1.1rem;
    cursor: pointer;
    border-radius: 5px;
    font-weight: bold;
}
footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: #777;
}