body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f6f8;
    color: #333;
    line-height: 1.8;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    background: white;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

h1 { 
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 20px;
    margin-bottom: 40px;
}

h2 { 
    color: #2c3e50;
    margin-top: 40px;
    font-size: 1.4em;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 10px;
}

h3 { 
    font-size: 1.1em;
    color: #444;
    margin-top: 25px;
    font-weight: 600;
}

p { 
    margin-bottom: 15px;
    color: #555;
    text-align: justify;
}

ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

li {
    margin-bottom: 10px;
    color: #555;
}

.highlight-box {
    background: #e8f4f8;
    border-left: 5px solid #3498db;
    padding: 20px;
    margin: 30px 0;
    border-radius: 4px;
    font-size: 0.95em;
}

.contact-email {
    font-weight: bold;
    color: #3498db;
    text-decoration: none;
    background: #f0f8ff;
    padding: 2px 5px;
    border-radius: 4px;
}

.back-link {
    display: inline-block;
    margin-bottom: 30px;
    color: #666;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.back-link:hover {
    color: #333;
}

.date-stamp {
    font-style: italic;
    color: #888;
    font-size: 0.9em;
    margin-bottom: 30px;
    display: block;
}

@media (max-width: 600px) {
    .container { padding: 25px; margin: 10px auto; }
    h1 { font-size: 1.6em; }
    p { text-align: left; }
}