/* 导入所需字体 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&family=Poppins:wght@400;700&family=Open+Sans:wght@400;700&display=swap');

    /* 全局设置 */
    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #00008B, #8A2BE2, #00FF00);
        background-size: 400% 400%;
        animation: gradientAnimation 15s ease infinite;
        color: #ffffff;
        line-height: 1.6;
    }

    @keyframes gradientAnimation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 固定顶部导航栏 */
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.8);
        padding: 20px 40px;
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    header .logo {
        font-family: 'Poppins', sans-serif;
        font-size: 24px;
        font-weight: 700;
        color: #00FFFF;
    }

    nav ul {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    nav ul li a {
        text-decoration: none;
        color: #FFFFFF;
        font-family: 'Roboto', sans-serif;
        font-weight: 500;
        transition: color 0.3s ease;
    }

    nav ul li a:hover {
        color: #FFD700;
    }

    /* 主内容区 */
    main {
        padding: 100px 20px 50px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    /* 创意矩阵网格布局 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

    .grid-item {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        backdrop-filter: blur(10px);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .grid-item:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    }

    .grid-item img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: 5px;
        margin-bottom: 15px;
    }

    .grid-item h3 {
        font-family: 'Poppins', sans-serif;
        font-size: 20px;
        margin-bottom: 10px;
        color: #FFD700;
    }

    .grid-item p {
        font-family: 'Open Sans', sans-serif;
        font-size: 16px;
        color: #FFFFFF;
    }

    /* 示例展示区 */
    .example-section {
        margin-top: 50px;
        background: rgba(0, 0, 0, 0.7);
        padding: 30px;
        border-radius: 10px;
    }

    .example-section h2 {
        font-family: 'Poppins', sans-serif;
        font-size: 28px;
        margin-bottom: 20px;
        color: #00FFFF;
    }

    .example-section article {
        font-family: 'Open Sans', sans-serif;
        font-size: 16px;
        line-height: 1.8;
    }

    .example-section pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin: 15px 0;
    }

    .example-section code {
        font-family: 'Roboto', monospace;
        color: #00FF00;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #FFD700;
        color: #000000;
        text-decoration: none;
        border-radius: 5px;
        transition: background 0.3s ease, transform 0.3s ease;
        font-family: 'Roboto', sans-serif;
        font-weight: 500;
    }

    .btn:hover {
        background: #FFA500;
        transform: translateY(-5px);
    }

    /* 底部提示 */
    footer {
        text-align: center;
        padding: 20px;
        font-family: 'Open Sans', sans-serif;
        font-size: 14px;
        color: #FFFFFF;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        main {
            padding: 100px 30px 50px 30px;
        }
    }

    @media (max-width: 1200px) {
        header {
            padding: 15px 30px;
        }

        .grid-item {
            padding: 15px;
        }
    }

    @media (max-width: 1024px) {
        nav ul {
            gap: 15px;
        }

        .grid-item img {
            height: 180px;
        }
    }

    @media (max-width: 768px) {
        header {
            flex-direction: column;
            align-items: flex-start;
        }

        nav ul {
            flex-direction: column;
            gap: 10px;
        }

        .grid-item img {
            height: 150px;
        }

        .example-section h2 {
            font-size: 24px;
        }
    }

    @media (max-width: 480px) {
        header {
            padding: 10px 20px;
        }

        nav ul {
            gap: 8px;
        }

        .grid-item img {
            height: 120px;
        }

        .grid-item h3 {
            font-size: 18px;
        }

        .grid-item p {
            font-size: 14px;
        }
    }

    @media (max-width: 320px) {
        main {
            padding: 100px 10px 50px 10px;
        }

        .grid-item img {
            height: 100px;
        }

        .grid-item h3 {
            font-size: 16px;
        }

        .grid-item p {
            font-size: 12px;
        }

        nav ul {
            flex-direction: column;
            width: 100%;
        }

        nav ul li a {
            font-size: 14px;
        }
    }

    /* 防止代码块横向滚动 */
    pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }

    /* 光标追踪粒子效果 */
    body::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        pointer-events: none;
        z-index: 500;
    }