* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

header .logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
}

header h1 {
    font-size: 2rem;
    font-weight: 600;
}

nav {
    background-color: #34495e;
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: #3498db;
}

main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.content-box {
    background-color: white;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

h3 {
    color: #34495e;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

h4 {
    color: #34495e;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

p {
    margin-bottom: 1rem;
}

ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

.version-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: #ecf0f1;
    border-radius: 6px;
    border-left: 4px solid #3498db;
}

.version-info h3 {
    margin-top: 0;
    color: #2c3e50;
}

.changelog-card {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.changelog-card h3 {
    margin-top: 0;
    color: #2c3e50;
    font-size: 1.4rem;
}

.changelog-card:last-child {
    margin-bottom: 0;
}

.docs-section {
    margin-top: 1rem;
}

.info-box {
    background-color: #e8f4f8;
    border: 1px solid #bee5eb;
    border-radius: 6px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.info-box h4 {
    margin-top: 0;
}

.code-text {
    font-family: "Courier New", Courier, monospace;
    background-color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: 1px solid #ccc;
    display: inline-block;
    margin: 0.5rem 0;
}

.warning-note {
    color: #856404;
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 4px;
    padding: 1rem;
    margin-top: 1rem;
    font-weight: 500;
}