body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
    margin: 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
h1 {
    color: #2c3e50;
    border-bottom: 2px solid #bdc3c7;
    padding-bottom: 10px;
}
h2 {
    color: #2c3e50;
    margin-top: 30px;
}
h3 {
    color: #2c3e50;
}
a {
    text-decoration: none;
    color: #3498db;
    font-weight: bold;
    display: inline-block;
}
a:hover {
    color: #2980b9;
}
.download-link:before {
    content: "⬇️";
    margin-right: 8px;
    font-size: 1.1em;
}
code {
    background-color: #e8e8e8;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: "Courier New", Courier, monospace;
}
pre {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
pre code {
    background-color: transparent;
    padding: 0;
    color: #f8f8f2;
}
blockquote {
    background-color: #fff;
    border-left: 4px solid #3498db;
    padding: 10px 20px;
    margin: 15px 0;
    font-style: italic;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: #fff;
}
th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}
th {
    background-color: #3498db;
    color: white;
    font-weight: bold;
}
tr:nth-child(even) {
    background-color: #f9f9f9;
}
ol, ul {
    margin: 15px 0;
    padding-left: 30px;
}
li {
    margin-bottom: 8px;
}
hr {
    border: none;
    border-top: 1px solid #bdc3c7;
    margin: 30px 0;
}