/* 基础样式重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    /* 全局字体和背景 */
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
        color: #333;
        line-height: 1.6;
    }

    /* 主要容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 0;
    }

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #2c3e50;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 2.5em;
        text-align: center;
    }

    h2 {
        font-size: 2em;
        border-bottom: 2px solid #8ec5fc;
        padding-bottom: 10px;
    }

    /* 网格系统 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }

    .grid-item {
        background: rgba(255, 255, 255, 0.8);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .grid-item:hover {
        transform: translateY(-10px);
        box-shadow: 0 12px 24px rgba(0,0,0,0.3);
    }

    /* 卡片样式 */
    .card {
        background: #ffffff;
        border-radius: 8px;
        padding: 20px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        margin-top: 10px;
        background: #6a11cb;
        color: #fff;
        border: none;
        border-radius: 5px;
        text-decoration: none;
        transition: background 0.3s ease;
    }

    .btn:hover {
        background: #2575fc;
    }

    /* 代码块样式 */
    pre {
        background: #f5f5f5;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #d63384;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    table, th, td {
        border: 1px solid #ddd;
    }

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background-color: #6a11cb;
        color: #fff;
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 40px;
    }

    .images img {
        width: 100%;
        max-width: 150px;
        border-radius: 8px;
    }

    /* 示例展示样式 */
    .example-display {
        background: rgba(255, 255, 255, 0.9);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.2);
        margin-bottom: 40px;
    }

    /* 提示语样式 */
    .note {
        text-align: center;
        font-size: 1.2em;
        color: #fff;
        margin-top: 40px;
    }

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

    .animated-background {
        background: radial-gradient(circle, rgba(255,87,34,1) 0%, rgba(255,87,34,0) 70%);
        animation: aurora-move 15s linear infinite;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.2em;
        }
    }

    @media (max-width: 1200px) {
        .grid-container {
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        .images img {
            max-width: 120px;
        }
    }

    @media (max-width: 768px) {
        .container {
            padding: 20px 0;
        }

        h1 {
            font-size: 2em;
        }

        .images img {
            max-width: 100px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 1.8em;
        }

        .grid-container {
            grid-template-columns: 1fr;
        }

        .images img {
            max-width: 80px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.5em;
        }

        .btn {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }