.welcome-header {
    background-color: #4CAF50;
    color: white !important;
    text-align: center;
    padding: 1em;
    border-radius: 5px;
}

main {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    margin-top: 20px;
    max-width: 1000px;
}

#introduction, #usage-guide, #support {
    margin-bottom: 30px;
}

.guide-image {
    max-width: 100%;
    width: 640px;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin: 10px auto;
}

#usage-guide ol {
    padding-left: 20px;
}

#usage-guide li {
    margin-bottom: 20px;
}

.support-button {
    display: inline-block;
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.support-button:hover {
    background-color: #45a049;
}


.plugin-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.download-btn {
    display: flex;
    align-items: center;
    padding: 8px 15px;
    background-color: #f0f0f0;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.download-btn img {
    width: 20px;
    height: 20px;
    margin-right: 8px;
}

.download-btn .btn-text {
    display: inline;
}

.download-btn:hover {
    background-color: #e0e0e0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.download-btn.chrome {
    background-color: #4285F4;
    color: white;
}

.download-btn.chrome:hover {
    background-color: #3367D6;
}

.download-btn.edge {
    background-color: #0078D7;
    color: white;
}

.download-btn.edge:hover {
    background-color: #006ABC;
}