/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0F172A, #475569, #CBD5E1);
        color: #FFFFFF;
        line-height: 1.6;
    }
    
    h1, h2, h3 {
        font-weight: bold;
        color: #8B5CF6;
    }
    
    p {
        font-weight: normal;
        color: #CBD5E1;
    }
    
    a {
        color: #10B981;
        text-decoration: none;
        transition: color 0.3s ease;
    }
    
    a:hover {
        color: #8B5CF6;
    }
    
    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 40px;
        background: rgba(15, 23, 42, 0.8);
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
        backdrop-filter: blur(10px);
    }
    
    .navbar a {
        margin: 0 15px;
        position: relative;
    }
    
    .navbar a::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: #10B981;
        transition: width 0.3s;
        position: absolute;
        bottom: -5px;
        left: 0;
    }
    
    .navbar a:hover::after {
        width: 100%;
    }
    
    /* 主内容区域 */
    .container {
        max-width: 1200px;
        margin: 100px auto 50px;
        padding: 20px;
    }
    
    /* 按钮样式 */
    .btn {
        background: linear-gradient(45deg, #475569, #10B981);
        color: #FFFFFF;
        border: none;
        padding: 10px 20px;
        border-radius: 25px;
        cursor: pointer;
        transition: transform 0.3s ease, background 0.3s ease;
    }
    
    .btn:hover {
        background: linear-gradient(45deg, #8B5CF6, #0F172A);
        transform: scale(1.1);
    }
    
    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }
    
    code {
        color: #10B981;
        font-family: 'Courier New', Courier, monospace;
    }
    
    /* 图片样式 */
    .decorative-img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        margin: 20px 0;
    }
    
    /* 示例展示样式 */
    .sample-display {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        margin-top: 40px;
    }
    
    /* 动画效果 */
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    .fade-in {
        animation: fadeIn 2s ease-in;
    }
    
    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1100px;
        }
    }
    
    @media (max-width: 1200px) {
        .navbar {
            padding: 15px 30px;
        }
    }
    
    @media (max-width: 1024px) {
        .container {
            padding: 15px;
        }
    }
    
    @media (max-width: 768px) {
        .navbar {
            flex-direction: column;
        }
        
        .navbar a {
            margin: 10px 0;
        }
    }
    
    @media (max-width: 480px) {
        .btn {
            padding: 8px 16px;
            font-size: 14px;
        }
    }
    
    @media (max-width: 320px) {
        .navbar {
            padding: 10px 20px;
        }
        
        .container {
            margin: 80px auto 30px;
        }
    }