body {
    background-color: #0000001c;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
}

.page-container {
    display: flex;
    min-height: 100vh;
}

.version-sidebar {
    width: 250px;
    background-color: #ffffff;
    padding: 2rem;
    position: sticky;
    top: 0;
    height: 100vh;
    box-shadow: 2px 0 4px rgba(0,0,0,0.1);
}

.version-sidebar h2 {
    color: #25418F;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    border-bottom: 2px solid #25418F;
    padding-bottom: 0.5rem;
}

.version-sidebar nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.version-sidebar nav li {
    margin-bottom: 1rem;
}

.version-sidebar nav a {
    color: #333;
    text-decoration: none;
    padding: 0.5rem;
    display: block;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.version-sidebar nav a:hover {
    background-color: #25418F;
    color: white;
}

.main-content {
    flex: 1;
    max-width: 800px;
    padding: 20px;
    margin: 0 auto;
}

.version-container {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    padding: 2rem;
}

.version-header {
    border-bottom: 2px solid #25418F;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
}

.version-number {
    color: #25418F;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0;
    scroll-margin-top: 2rem;
}

.release-date {
    color: #666;
    font-size: 1rem;
    margin: 0.5rem 0 1rem 0;
}

.feature-section {
    margin: 1.5rem 0;
}

.feature-title {
    color: #2c3e50;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 1rem 0;
}

.feature-list {
    list-style-type: none;
    padding-left: 0;
}

.feature-list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li::before {
    content: "•";
    color: #25418F;
    position: absolute;
    left: 0;
    font-weight: bold;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1rem 0;
}

.important-note {
    background-color: #f8f9fa;
    border-left: 4px solid #25418F;
    padding: 1rem;
    margin: 1rem 0;
}

.important-note p {
    margin: 0;
}

@media (max-width: 768px) {
    .page-container {
        flex-direction: column;
    }

    .version-sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1rem;
    }

    .main-content {
        padding: 1rem;
    }
}