.jbem-container {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.jbem-header {
    text-align: center;
    border-bottom: 3px solid #c9a03d;
    padding-bottom: 20px;
    margin-bottom: 20px;
}
.jbem-header h2 { margin: 0; color: #666; font-size: 18px; }
.jbem-header h1 { margin: 5px 0; font-size: 36px; letter-spacing: 2px; }
.jbem-meta {
    background: #f5f5f5;
    padding: 12px;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}
.jbem-cover {
    text-align: center;
    margin-bottom: 30px;
}
.jbem-cover img {
    max-width: 200px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
}
.jbem-toc ul {
    list-style: none;
    padding: 0;
}
.jbem-toc li {
    background: #fafafa;
    margin-bottom: 15px;
    padding: 15px 20px;
    border-left: 4px solid #c9a03d;
    border-radius: 4px;
}
.jbem-links {
    margin-top: 10px;
}
.jbem-links a {
    display: inline-block;
    margin-right: 20px;
    text-decoration: none;
    font-size: 14px;
}
.jbem-btn-pdf, .jbem-btn-link {
    color: #c9a03d;
}
.jbem-footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}
.jbem-btn-download, .jbem-btn-flip {
    display: inline-block;
    margin: 0 10px;
    padding: 10px 25px;
    background: #c9a03d;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}
.jbem-btn-download:hover, .jbem-btn-flip:hover {
    background: #a8822c;
    color: white;
}