/* 引入Google字体 */
    @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&family=Roboto:wght@400;700&display=swap');

    /* CSS重置 */
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    /* 全局样式 */
    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, rgba(30, 30, 30, 1) 0%, rgba(60, 60, 60, 1) 100%);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    /* 动画定义 */
    @keyframes aurora-move {
        0% {
            background-position: 0% 50%;
        }
        50% {
            background-position: 100% 50%;
        }
        100% {
            background-position: 0% 50%;
        }
    }

    /* 头部样式 */
    header {
        text-align: center;
        padding: 50px 20px;
        background: linear-gradient(45deg, #6a11cb, #2575fc);
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        animation: aurora-move 15s linear infinite;
    }

    header h1 {
        font-family: 'Montserrat', sans-serif;
        font-size: 3rem;
        background: linear-gradient(90deg, #ff7e5f, #feb47b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 20px;
    }

    header p {
        font-size: 1.2rem;
        max-width: 800px;
        margin: 0 auto;
    }

    /* 主要内容区域 */
    main {
        margin: 40px 0;
    }

    /* 示例展示区 */
    .example-section {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .example-section h2 {
        font-family: 'Montserrat', sans-serif;
        font-size: 2rem;
        margin-bottom: 20px;
        background: linear-gradient(90deg, #6a11cb, #2575fc);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .example-section p {
        margin-bottom: 15px;
        font-size: 1rem;
    }

    /* 代码块样式 */
    pre {
        background: #2d2d2d;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Roboto Mono', monospace;
        color: #f8f8f2;
    }

    /* 图像样式 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin-bottom: 30px;
    }

    .images-grid img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }

    /* 示例数据展示 */
    .data-section {
        background: rgba(50, 50, 50, 0.8);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 30px;
    }

    .data-section ul {
        list-style: none;
    }

    .data-section li {
        margin-bottom: 10px;
        font-size: 0.95rem;
    }

    /* 底部样式 */
    footer {
        text-align: center;
        padding: 20px;
        background: linear-gradient(135deg, #ff7e5f, #feb47b);
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    footer p {
        font-size: 1rem;
    }

    /* 响应式设计 */
    @media (max-width: 480px) {
        header h1 {
            font-size: 2rem;
        }
        header p {
            font-size: 1rem;
        }
        .example-section h2 {
            font-size: 1.5rem;
        }
    }

    @media (min-width: 481px) and (max-width: 768px) {
        header h1 {
            font-size: 2.5rem;
        }
        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        header h1 {
            font-size: 3rem;
        }
        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        }
    }

    @media (min-width: 1025px) and (max-width: 1200px) {
        header h1 {
            font-size: 3.5rem;
        }
        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        }
    }

    @media (min-width: 1201px) and (max-width: 1440px) {
        header h1 {
            font-size: 4rem;
        }
        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }

    @media (min-width: 1441px) {
        header h1 {
            font-size: 4.5rem;
        }
        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        }
    }

    /* 视觉设计元素 */
    .abstract-geometry {
        position: absolute;
        top: 10%;
        left: 5%;
        width: 100px;
        height: 100px;
        background: linear-gradient(45deg, #ff7e5f, #feb47b);
        border-radius: 20%;
        opacity: 0.7;
        animation: rotate 20s linear infinite;
    }

    @keyframes rotate {
        from {
            transform: rotate(0deg);
        }
        to {
            transform: rotate(360deg);
        }
    }

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        font-size: 1.1rem;
        margin-top: 40px;
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 8px;
    }