body {
    font-family: 'Segoe UI', Arial, sans-serif;
    color: #333;
}
h1 {
    color: #2c3e50;
    padding-bottom: 0.5em;
}
h2 {
    color: #34495e;
    margin-top: 0.3em;
}
h3 {
    color: #16a085;
}
.section {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.component {
    border-left: 4px solid #3498db;
    padding-left: 1rem;
    margin: 1rem 0;
}
.pids img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.back-to-top {
    text-align: center;
    margin: 40px 0;
}