.how-to-use-content {
    padding: 20px;
    overflow-y: auto;
    height: calc(100vh - 150px);
}

.how-to-use-content section {
    margin-bottom: 40px;
}

.how-to-use-content h2 {
    font-size: 22px;
    color: #007bff;
    border-bottom: 2px solid #007bff;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.how-to-use-content p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.guide-image {
    max-width: 100%;
    border-radius: 8px;
    margin-top: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.back-link {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.back-link:hover {
    background-color: #0056b3;
}