body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f4;
}
.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.logo {
    display: block;
    margin: 0 auto 20px;
    max-width: 100px;
    height: auto;
}
h1, h2, h3 {
    color: #2c3e50;
}
h1 {
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    text-align: center;
}
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}
.feature-item {
    background-color: #ecf0f1;
    padding: 15px;
    border-radius: 5px;
    text-align: center;
}
.download-btn, .social-btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin-top: 15px;
    margin-right: 15px;
    transition: background-color 0.3s ease;
}
.download-btn {
    background-color: #3498db;
    color: white;
}
.download-btn:hover {
    background-color: #2980b9;
}
.social-btn {
    background-color: #f8f9fa;
    color: #333;
    border: 1px solid #dee2e6;
}
.social-btn:hover {
    background-color: #e9ecef;
}
.download-btn img, .social-btn img {
    width: 24px;
    height: 24px;
    margin-right: 10px;
}
.footer {
    margin-top: 30px;
    text-align: center;
    font-size: 0.9em;
    color: #7f8c8d;
}
.footer a {
    color: #3498db;
    text-decoration: none;
}
.footer a:hover {
    text-decoration: underline;
}
.follow-us {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #dee2e6;
}