* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

h1 {
    text-align: center;
    margin-bottom: 10px;
    color: #222;
}

.updated {
    text-align: center;
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 30px;
}

section {
    margin-bottom: 25px;
}

h2 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #444;
}

p {
    margin-bottom: 10px;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

@media (max-width: 600px) {
    .container {
        margin: 20px;
        padding: 20px;
    }

    h1 {
        font-size: 1.8rem;
    }
}