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

    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #0A2463, #1B3A5B);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    a {
        color: #FF9900;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #ffffff;
    }

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

    /* 头部 */
    header {
        text-align: center;
        padding: 50px 0;
        background: rgba(10, 36, 99, 0.8);
        border-radius: 10px;
        margin-bottom: 40px;
    }

    header h1 {
        font-family: 'Montserrat', sans-serif;
        font-size: 48px;
        margin-bottom: 20px;
        background: linear-gradient(90deg, #FF9900, #ffffff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    header p {
        font-size: 18px;
        color: #dddddd;
    }

    /* 导航栏 */
    nav {
        display: flex;
        justify-content: center;
        margin-bottom: 40px;
    }

    nav ul {
        list-style: none;
        display: flex;
        gap: 30px;
    }

    nav ul li a {
        font-size: 16px;
        font-weight: bold;
        transition: transform 0.3s ease, color 0.3s ease;
    }

    nav ul li a:hover {
        transform: scale(1.1);
        color: #FF9900;
    }

    /* 主内容 */
    main {
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
    }

    .article, .sidebar {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
    }

    .article {
        flex: 3;
        min-width: 300px;
    }

    .sidebar {
        flex: 1;
        min-width: 250px;
    }

    .article h2, .article h3, .article h4 {
        font-family: 'Roboto', sans-serif;
        color: #FF9900;
        margin-bottom: 15px;
    }

    .article p {
        margin-bottom: 20px;
    }

    .article pre {
        background: rgba(255, 255, 255, 0.2);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    .article code {
        color: #FF9900;
        font-family: 'Courier New', Courier, monospace;
    }

    .article table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    .article table, .article th, .article td {
        border: 1px solid #FF9900;
    }

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

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

    /* 示例数据展示 */
    .example-data {
        background: rgba(10, 36, 99, 0.9);
        padding: 30px;
        border-radius: 10px;
        margin-top: 50px;
    }

    .example-data h2 {
        font-family: 'Montserrat', sans-serif;
        font-size: 36px;
        margin-bottom: 20px;
        text-align: center;
        color: #FF9900;
    }

    .example-data .banner, .example-data .responsive-design {
        text-align: center;
        margin-bottom: 30px;
    }

    .example-data img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        margin: 0 auto;
    }

    .example-data .cards, .example-data .user-cases, .example-data .interactions {
        display: flex;
        flex-direction: column;
        gap: 20px;
        margin-bottom: 30px;
    }

    .example-data .card, .example-data .case, .example-data .effect {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 5px;
    }

    .example-data .card h3, .example-data .case h3, .example-data .effect h3 {
        margin-bottom: 10px;
        color: #FF9900;
    }

    .example-data .card p, .example-data .case p, .example-data .effect p {
        color: #dddddd;
    }

    /* 页脚 */
    footer {
        text-align: center;
        padding: 20px 0;
        margin-top: 50px;
        background: rgba(10, 36, 99, 0.8);
        border-radius: 10px;
    }

    footer p {
        color: #ffffff;
        font-size: 16px;
    }

    /* 按钮样式 */
    .btn {
        background-color: #FF9900;
        color: #ffffff;
        border: none;
        padding: 10px 20px;
        font-size: 16px;
        cursor: pointer;
        border-radius: 5px;
        transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .btn:hover {
        transform: scale(1.05);
        background-color: #e68a00;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 42px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 15px;
        }

        main {
            flex-direction: column;
        }

        .article, .sidebar {
            flex: 1;
        }
    }

    @media (max-width: 1024px) {
        header h1 {
            font-size: 36px;
        }

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

    @media (max-width: 768px) {
        header {
            padding: 30px 0;
        }

        header h1 {
            font-size: 28px;
        }

        nav ul {
            flex-direction: column;
            gap: 15px;
        }

        .example-data .cards, .example-data .user-cases, .example-data .interactions {
            flex-direction: column;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 24px;
        }

        .article h2, .article h3, .article h4 {
            font-size: 20px;
        }

        .example-data h2 {
            font-size: 28px;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 20px;
        }

        .article p, .article pre, .article table, .example-data p {
            font-size: 14px;
        }

        .btn {
            padding: 8px 16px;
            font-size: 14px;
        }
    }