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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #a8edea, #fed6e3);
        color: #333;
        line-height: 1.6;
    }

    a {
        color: #3498db;
        text-decoration: none;
    }

    a[rel="nofollow"] {
        /* 样式调整可根据需要 */
    }

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

    /* 头部 */
    header {
        text-align: center;
        padding: 40px 0;
        background: linear-gradient(135deg, #89f7fe 0%, #66a6ff 100%);
        color: white;
        border-radius: 8px;
        margin-bottom: 30px;
    }

    header h1 {
        font-size: 2.5em;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2em;
    }

    /* 导航 */
    nav {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-bottom: 30px;
    }

    nav a {
        font-size: 1em;
        padding: 10px 20px;
        background: rgba(255, 255, 255, 0.3);
        border-radius: 20px;
        transition: background 0.3s ease;
    }

    nav a:hover {
        background: rgba(255, 255, 255, 0.6);
    }

    /* 主内容 */
    .main-content {
        display: grid;
        grid-template-columns: 1fr;
        gap: 30px;
    }

    @media (min-width: 768px) {
        .main-content {
            grid-template-columns: 2fr 1fr;
        }
    }

    /* 文章展示 */
    .article-section {
        background: rgba(255, 255, 255, 0.8);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .article-section h2 {
        font-size: 2em;
        margin-bottom: 15px;
        color: #2c3e50;
    }

    .article-section h3 {
        font-size: 1.5em;
        margin: 20px 0 10px;
        color: #16a085;
    }

    .article-section h4 {
        font-size: 1.2em;
        margin: 15px 0 10px;
        color: #2980b9;
    }

    .article-section p {
        margin-bottom: 15px;
    }

    .article-section pre {
        background: #f4f4f4;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    .article-section code {
        background: #eaeaea;
        padding: 2px 4px;
        border-radius: 4px;
        font-family: 'Courier New', Courier, monospace;
    }

    .article-section table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 15px;
    }

    .article-section table, .article-section th, .article-section td {
        border: 1px solid #ddd;
    }

    .article-section th, .article-section td {
        padding: 10px;
        text-align: left;
    }

    .article-section th {
        background: #3498db;
        color: white;
    }

    .article-section ul {
        list-style-type: disc;
        margin-left: 20px;
        margin-bottom: 15px;
    }

    .article-section li {
        margin-bottom: 10px;
    }

    /* 示例数据展示 */
    .data-section {
        background: rgba(255, 255, 255, 0.8);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .data-section h2 {
        font-size: 2em;
        margin-bottom: 15px;
        color: #8e44ad;
    }

    .data-section ul {
        list-style-type: none;
        margin-left: 0;
    }

    .data-section li {
        background: linear-gradient(135deg, #ffecd2, #fcb69f);
        margin-bottom: 10px;
        padding: 15px;
        border-radius: 5px;
        transition: transform 0.3s ease;
    }

    .data-section li:hover {
        transform: scale(1.02);
    }

    .data-section li strong {
        display: block;
        margin-bottom: 5px;
        color: #c0392b;
    }

    /* 图片样式 */
    .images {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 10px;
        margin-top: 20px;
    }

    .images img {
        width: 100%;
        border-radius: 5px;
        object-fit: cover;
    }

    /* 提示信息 */
    .notice {
        text-align: center;
        padding: 20px;
        background: rgba(52, 152, 219, 0.8);
        color: white;
        border-radius: 8px;
        margin-top: 30px;
    }

    /* 底部 */
    footer {
        text-align: center;
        padding: 20px 0;
        margin-top: 30px;
        background: linear-gradient(135deg, #89f7fe, #66a6ff);
        color: white;
        border-radius: 8px;
    }

    /* 响应式设计 */
    @media (max-width: 480px) {
        header h1 {
            font-size: 1.8em;
        }

        .article-section h2, .data-section h2 {
            font-size: 1.5em;
        }

        nav a {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }

    @media (min-width: 1024px) and (max-width: 1200px) {
        .container {
            width: 95%;
        }
    }

    @media (min-width: 1440px) {
        .container {
            width: 80%;
        }

        header h1 {
            font-size: 3em;
        }
    }

    /* 动画效果 */
    .button {
        display: inline-block;
        padding: 10px 20px;
        background: #e74c3c;
        color: white;
        border-radius: 20px;
        transition: background 0.3s ease, transform 0.3s ease;
    }

    .button:hover {
        background: #c0392b;
        transform: scale(1.05);
    }

    .fade-in {
        animation: fadeIn 2s ease-in-out;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }