body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    height: 100vh;
    display: flex;
    flex-direction: column;
}
header {
    background-color: #333;
    color: white;
    padding: 1rem;
    text-align: center;
}
header .lang-switch {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}
header .lang-switch a {
    color: #add8e6;
    text-decoration: none;
}
header .lang-switch a:hover {
    text-decoration: underline;
}
nav {
    background-color: #444;
    padding: 0.5rem;
}
nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    text-align: center;
}
nav ul li {
    display: inline;
    margin: 0 1rem;
}
nav ul li a {
    color: white;
    text-decoration: none;
}
nav ul li a:hover {
    text-decoration: underline;
}
main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    flex: 1;
    overflow-y: auto;
    width: 100%;
    box-sizing: border-box;
}
@media (min-width: 801px) {
    main {
        max-width: none;
        padding: 2rem calc(50vw - 400px);
    }
}
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
}

/* 详情页样式 */
main.content-page {
    background-color: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h2 {
    color: #333;
    border-bottom: 2px solid #444;
    padding-bottom: 0.5rem;
}
h3 {
    color: #555;
    margin-top: 1.5rem;
}
h4 {
    color: #666;
    margin-top: 1.2rem;
}
pre {
    background-color: #f4f4f4;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
}
code {
    background-color: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}
ul, ol {
    line-height: 1.8;
}
.feature-list {
    list-style-type: none;
    padding-left: 0;
}
.feature-list li {
    padding: 0.5rem 0;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}
th, td {
    border: 1px solid #ddd;
    padding: 0.75rem;
    text-align: left;
}
th {
    background-color: #f4f4f4;
}
a {
    color: #0066cc;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}