body {
    font-family: 'Helvetica Neue', 'Helvetica', Arial, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
    direction: ltr;
}
.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 20px 40px;
    background-color: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}
h1, h2, h3, h4 {
    /* color: #1a2533; */
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}
h1 {
    font-size: 2.2em;
    text-align: center;
    color: #007bff;
}
h2 {
    font-size: 1.8em;
    border-bottom: 2px solid #007bff;
    padding-bottom: 10px;
    margin-top: 2em;
    color: #007bff;
}
h3 {
    font-size: 1.5em;
    color: #007bff;
}
h4 {
    font-size: 1.2em;
}
p, li {
    text-align: justify;
    margin-bottom: 1em;
}
strong {
    color: #0056b3;
}
ol, ul {
    padding-left: 20px;
}
li {
    margin-bottom: 1.2em;
}