* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #e6f0fa; 
    color: #2c3e50; 
    line-height: 1.6;
    padding: 20px;
}


.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 30px 40px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}


h1 {
    background-color: #306998; 
    color: white;
    padding: 15px;
    border-radius: 8px 8px 0 0;
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 30px;
}


p {
    margin-bottom: 20px;
    font-size: 1rem;
}


h2 {
    color: #306998; 
    margin-top: 40px;
    margin-bottom: 20px;
    font-size: 1.6rem;
    text-align: center;
}


h3 {
    color: #3a5998; 
    margin-top: 25px;
    margin-bottom: 10px;
    font-size: 1.2rem;
}


h4 {
    color: #4977b5; 
    margin-bottom: 10px;
    font-weight: normal;
}


ul {
    margin-left: 20px;
    margin-bottom: 20px;
    color: #34495e;
}


li {
    margin-bottom: 8px;
    font-size: 0.95rem;
}


a {
    color: #306998;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #1d3c6a;
}


@media (max-width: 600px) {
    .container {
        padding: 20px 15px;
    }
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.3rem;
    }
}