/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Georgia', serif;
        line-height: 1.6;
        background: linear-gradient(135deg, #8BC34A, #FFC107, #607D8B);
        background-size: 400% 400%;
        animation: gradient-animation 15s ease infinite;
        color: #333;
    }
    
    @keyframes gradient-animation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }
    
    header {
        background: rgba(255, 255, 255, 0.8);
        padding: 20px;
        text-align: center;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    
    header h1 {
        margin: 0;
        font-family: 'Roboto', sans-serif;
        color: #8BC34A;
    }
    
    nav {
        margin-top: 10px;
    }
    
    nav a {
        margin: 0 15px;
        text-decoration: none;
        color: #607D8B;
        font-family: 'Roboto', sans-serif;
    }
    
    nav a:hover {
        color: #FFC107;
    }
    
    .container {
        display: flex;
        flex-wrap: wrap;
        padding: 20px;
    }
    
    .content {
        flex: 1 1 60%;
        padding: 20px;
        min-width: 300px;
    }
    
    .sidebar {
        flex: 1 1 35%;
        padding: 20px;
        min-width: 250px;
        background: rgba(255, 255, 255, 0.9);
        border-radius: 10px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    
    article {
        background: rgba(255, 255, 255, 0.85);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    
    article h2, article h3, article h4 {
        font-family: 'Roboto', sans-serif;
        color: #8BC34A;
    }
    
    pre {
        background: #f4f4f4;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }
    
    code {
        font-family: 'Courier New', Courier, monospace;
        color: #d6336c;
    }
    
    ul {
        list-style-type: disc;
        margin-left: 20px;
    }
    
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 5px;
    }
    
    footer {
        background: rgba(255, 255, 255, 0.8);
        text-align: center;
        padding: 15px;
        position: fixed;
        width: 100%;
        bottom: 0;
        box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
    }
    
    .note {
        background: #FFF3E0;
        padding: 10px;
        border-left: 4px solid #FFC107;
        margin: 20px 0;
        border-radius: 3px;
    }
    
    @media (max-width: 768px) {
        .container {
            flex-direction: column;
        }
        
        footer {
            position: static;
        }
    }