/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', 'Montserrat', sans-serif;
        background: linear-gradient(135deg, #00ffff, #8a2be2, #00ff7f);
        color: #ffffff;
        line-height: 1.6;
    }
    
    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }
    
    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #ff00ff;
        text-transform: uppercase;
        margin-bottom: 20px;
    }
    
    h1 {
        font-size: 3rem;
        text-align: center;
        margin-top: 40px;
    }
    
    h2 {
        font-size: 2.5rem;
        border-bottom: 2px solid #00ffff;
        padding-bottom: 10px;
    }
    
    h3 {
        font-size: 2rem;
        margin-top: 30px;
    }
    
    h4 {
        font-size: 1.5rem;
        margin-top: 20px;
    }
    
    /* 段落样式 */
    p {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    /* 代码块样式 */
    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }
    
    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00ffcc;
    }
    
    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #00ffff;
        color: #000;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: background 0.3s ease;
        text-decoration: none;
    }
    
    .btn:hover {
        background: #8a2be2;
    }
    
    .btn::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: rgba(255, 255, 255, 0.2);
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .btn:active::after {
        opacity: 1;
    }
    
    /* 图片样式 */
    img {
        max-width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 20px;
    }
    
    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 0;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-links a {
        color: #ffffff;
        text-decoration: none;
        margin-left: 20px;
        transition: color 0.3s ease;
    }
    
    .nav-links a:hover {
        color: #00ffcc;
    }
    
    @media (min-width: 768px) {
        .nav-links {
            display: flex;
        }
    }
    
    /* 网格布局 */
    .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }
    
    /* 动画效果 */
    .fade-in {
        animation: fadeIn 1s ease-in-out;
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* 页面提示 */
    .reference-note {
        text-align: center;
        margin: 40px 0;
        font-size: 1.2rem;
        color: #ff00ff;
    }
    
    /* 链接样式 */
    a {
        color: #00ffff;
        text-decoration: none;
    }
    
    a:hover {
        text-decoration: underline;
    }
    
    /* 响应式调整 */
    @media (max-width: 480px) {
        h1 {
            font-size: 2rem;
        }
        h2 {
            font-size: 1.5rem;
        }
        .btn {
            padding: 8px 16px;
            font-size: 0.9rem;
        }
    }
    
    @media (min-width: 1024px) {
        .container {
            padding: 40px;
        }
    }
    
    /* 代码块响应 */
    pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }