body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f8f8f8;
}

header {
    background: #004080;
    color: #fff;
    padding: 20px;
    text-align: center;
}

#title {
    padding: 20px;
    background: #e3e3e3;
    border-radius: 10px;
    margin-bottom: 20px;
}

#title h1 {
    color: #fff;
}

#authors, #downloads, #collaborators, footer {
    padding: 20px;
    margin: 20px auto;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #fff;
    max-width: 800px;
}

h2 {
    color: #333;
}

.authors {
    font-size: 1rem;
}

.affiliations {
    font-size: 0.9rem;
}

#downloads .data-group {
    margin-bottom: 20px;
}

#downloads h3 {
    color: #004080;
    margin-bottom: 10px;
}

#downloads a {
    display: block;
    margin: 5px 0;
    padding: 10px;
    background: #007BFF;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    text-align: center;
}

#downloads a:hover {
    background: #0056b3;
}

.icons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.icons a {
    display: block;
}

.icons img {
    max-width: 150px;
    max-height: 150px;
    transition: transform 0.3s ease;
}

.icons img:hover {
    transform: scale(1.1);
}

footer a {
    color: #007BFF;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}