/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        background: linear-gradient(135deg, #6366F1, #3B82F6);
        color: #FFFFFF;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: #FFC107;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #FF9800;
    }

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

    /* 头部样式 */
    header {
        text-align: center;
        padding: 60px 0;
        background: rgba(15, 23, 42, 0.8);
        backdrop-filter: blur(10px);
        border-bottom: 2px solid #3B82F6;
    }

    header h1 {
        font-size: 3em;
        margin-bottom: 10px;
        color: #FFFFFF;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    header p {
        font-size: 1.2em;
        color: #E0E0E0;
    }

    /* 导航栏 */
    nav {
        margin-top: 20px;
    }

    nav ul {
        list-style: none;
        padding: 0;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    nav ul li {
        margin: 0 15px;
    }

    nav ul li a {
        font-size: 1em;
        padding: 10px 15px;
        border-radius: 5px;
        transition: background 0.3s ease, transform 0.3s ease;
    }

    nav ul li a:hover {
        background: rgba(255, 193, 7, 0.2);
        transform: scale(1.05);
    }

    /* 主内容 */
    main {
        padding: 40px 0;
        background: rgba(15, 23, 42, 0.9);
    }

    main h2 {
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #FFC107;
        text-align: center;
        position: relative;
    }

    main h2::after {
        content: '';
        width: 100px;
        height: 4px;
        background: #FF9800;
        display: block;
        margin: 10px auto 0;
        border-radius: 2px;
    }

    article {
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 10px;
        box-shadow: 0 4px 30px rgba(0,0,0,0.1);
    }

    article h3 {
        font-size: 2em;
        margin-top: 30px;
        color: #3B82F6;
    }

    article h4 {
        font-size: 1.5em;
        margin-top: 20px;
        color: #FFC107;
    }

    article p {
        margin: 15px 0;
    }

    article ul {
        list-style-type: disc;
        margin-left: 20px;
    }

    article table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    article table, article th, article td {
        border: 1px solid #3B82F6;
    }

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

    article pre {
        background: #1E293B;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    article code {
        color: #FFEB3B;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 示例数据 */
    .sample-data {
        padding: 40px 0;
        background: rgba(15, 23, 42, 0.95);
    }

    .sample-data h2 {
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #FFC107;
        text-align: center;
    }

    .sample-data ul {
        list-style-type: none;
        padding: 0;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .sample-data ul li {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .sample-data ul li:hover {
        transform: translateY(-10px);
        background: rgba(255, 193, 7, 0.2);
    }

    .sample-data ul li img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }

    .sample-data ul li h4 {
        margin: 15px 0 10px;
        color: #FFFFFF;
    }

    .sample-data ul li p {
        color: #E0E0E0;
    }

    /* 底部样式 */
    footer {
        text-align: center;
        padding: 20px 0;
        background: rgba(15, 23, 42, 0.8);
        border-top: 2px solid #3B82F6;
    }

    footer p {
        color: #E0E0E0;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.5em;
        }

        main h2 {
            font-size: 2em;
        }

        article h3 {
            font-size: 1.8em;
        }

        article h4 {
            font-size: 1.3em;
        }
    }

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

        nav ul {
            flex-direction: column;
            align-items: center;
        }

        nav ul li {
            margin: 10px 0;
        }

        .sample-data ul {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        header h1 {
            font-size: 2em;
        }

        main h2 {
            font-size: 1.8em;
        }

        article h3 {
            font-size: 1.5em;
        }

        article h4 {
            font-size: 1.2em;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 1.8em;
        }

        nav ul {
            flex-direction: column;
        }

        .sample-data ul {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5em;
        }

        main h2 {
            font-size: 1.5em;
        }

        article h3 {
            font-size: 1.2em;
        }

        article h4 {
            font-size: 1em;
        }

        nav ul li a {
            padding: 8px 12px;
            font-size: 0.9em;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.2em;
        }

        main h2 {
            font-size: 1.2em;
        }

        article h3 {
            font-size: 1em;
        }

        article h4 {
            font-size: 0.9em;
        }

        nav ul li a {
            padding: 6px 10px;
            font-size: 0.8em;
        }
    }