/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background: linear-gradient(135deg, #1e1e2d, #6c5ce7, #f79f1f);
        color: #ffffff;
        overflow-x: hidden;
    }

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 头部 */
    header {
        text-align: center;
        padding: 50px 0;
        background: rgba(30, 30, 45, 0.8);
        border-radius: 15px;
    }

    header h1 {
        font-size: 3em;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2em;
        color: #f79f1f;
    }

    /* 卡片布局 */
    .cards {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
        margin: 40px 0;
    }

    .card {
        background-color: rgba(30, 30, 45, 0.9);
        border-radius: 10px;
        width: 300px;
        padding: 20px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    }

    .card h3 {
        margin-top: 0;
        color: #6c5ce7;
    }

    .card p {
        font-size: 0.95em;
        line-height: 1.5;
    }

    .card ul, .card ol {
        margin-left: 20px;
    }

    /* 示例文章 */
    .sample-article {
        background: rgba(30, 30, 45, 0.8);
        padding: 30px;
        border-radius: 15px;
        margin-bottom: 40px;
    }

    .sample-article h2, .sample-article h3, .sample-article h4 {
        color: #f79f1f;
    }

    .sample-article pre {
        background: #2d2d44;
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }

    .sample-article code {
        color: #a29bfe;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 响应式设计 */
    @media (max-width: 1200px) {
        header h1 {
            font-size: 2.5em;
        }
        .card {
            width: 45%;
        }
    }
    @media (max-width: 768px) {
        .card {
            width: 100%;
        }
        header h1 {
            font-size: 2em;
        }
    }
    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5em;
        }
        .card {
            padding: 15px;
        }
    }
    @media (max-width: 320px) {
        .container {
            width: 100%;
            padding: 10px;
        }
    }

    /* 图片样式 */
    .card img {
        width: 100%;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    /* 提示信息 */
    .reference {
        text-align: center;
        font-size: 1em;
        color: #dfe6e9;
        margin-top: 20px;
    }