/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #000046, #1c1c3c);
        color: #ffffff;
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: #39ff14;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #ffffff;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(28, 28, 60, 0.9);
        padding: 20px 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
    }

    .navbar .logo {
        font-family: 'Roboto', sans-serif;
        font-size: 1.5rem;
        font-weight: bold;
        color: #39ff14;
    }

    .navbar ul {
        list-style: none;
        display: flex;
    }

    .navbar ul li {
        margin-left: 20px;
    }

    .navbar ul li a {
        font-size: 1rem;
        text-transform: uppercase;
        letter-spacing: 1px;
        position: relative;
    }

    .navbar ul li a::after {
        content: '';
        position: absolute;
        width: 0%;
        height: 2px;
        background: #39ff14;
        left: 0;
        bottom: -5px;
        transition: width 0.3s;
    }

    .navbar ul li a:hover::after {
        width: 100%;
    }

    /* 主页容器 */
    .container {
        padding: 100px 50px 50px 50px;
        max-width: 1200px;
        margin: 0 auto;
    }

    /* 头部标题 */
    .header-title {
        font-family: 'Roboto', sans-serif;
        font-size: 3rem;
        text-align: center;
        margin-bottom: 50px;
        text-transform: uppercase;
        color: #39ff14;
        text-shadow: 0 0 10px #39ff14;
    }

    /* 介绍部分 */
    .introduction {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        margin-bottom: 50px;
    }

    .introduction .text {
        flex: 1 1 45%;
        padding: 20px;
    }

    .introduction .image {
        flex: 1 1 45%;
        padding: 20px;
    }

    .introduction .image img {
        width: 100%;
        border-radius: 10px;
        box-shadow: 0 0 15px rgba(57, 255, 20, 0.5);
    }

    /* 示例数据展示 */
    .sample-data {
        background: rgba(28, 28, 60, 0.8);
        padding: 40px;
        border-radius: 10px;
        margin-bottom: 50px;
    }

    .sample-data h2 {
        font-family: 'Roboto', sans-serif;
        font-size: 2rem;
        margin-bottom: 20px;
        color: #39ff14;
        text-shadow: 0 0 5px #39ff14;
    }

    .sample-data pre {
        background: #1c1c3c;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    .sample-data code {
        color: #39ff14;
        font-family: 'Courier New', Courier, monospace;
        font-size: 0.9rem;
    }

    /* 文章内容 */
    article {
        margin-bottom: 50px;
    }

    article h2, article h3, article h4 {
        font-family: 'Roboto', sans-serif;
        color: #39ff14;
        text-shadow: 0 0 5px #39ff14;
        margin-bottom: 15px;
    }

    article h2 {
        font-size: 2.5rem;
    }

    article h3 {
        font-size: 2rem;
    }

    article h4 {
        font-size: 1.5rem;
    }

    article p {
        margin-bottom: 15px;
    }

    article ul {
        list-style: disc inside;
        margin-bottom: 15px;
    }

    /* 提示 */
    .reference {
        text-align: center;
        font-size: 1.2rem;
        margin-top: 50px;
        color: #ffffff;
        text-shadow: 0 0 5px #39ff14;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            padding: 80px 40px 40px 40px;
        }

        .header-title {
            font-size: 2.5rem;
        }
    }

    @media (max-width: 1200px) {
        .introduction {
            flex-direction: column;
        }

        .introduction .text, .introduction .image {
            flex: 1 1 100%;
        }

        .navbar {
            padding: 15px 30px;
        }

        .navbar .logo {
            font-size: 1.2rem;
        }

        .navbar ul li {
            margin-left: 15px;
        }

        .header-title {
            font-size: 2rem;
        }
    }

    @media (max-width: 1024px) {
        .container {
            padding: 60px 30px 30px 30px;
        }

        .header-title {
            font-size: 1.8rem;
        }

        .sample-data h2 {
            font-size: 1.8rem;
        }
    }

    @media (max-width: 768px) {
        .navbar ul {
            flex-direction: column;
            background: rgba(28, 28, 60, 0.9);
            position: absolute;
            top: 70px;
            left: -100%;
            width: 100%;
            transition: left 0.3s ease;
        }

        .navbar ul.active {
            left: 0;
        }

        .navbar ul li {
            margin: 15px 0;
            text-align: center;
        }

        .header-title {
            font-size: 1.5rem;
        }

        .introduction .text, .introduction .image {
            flex: 1 1 100%;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 40px 20px 20px 20px;
        }

        .header-title {
            font-size: 1.2rem;
        }

        .sample-data h2 {
            font-size: 1.5rem;
        }

        .sample-data pre {
            font-size: 0.8rem;
        }

        article h2 {
            font-size: 2rem;
        }

        article h3 {
            font-size: 1.6rem;
        }

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

    @media (max-width: 320px) {
        .navbar {
            padding: 10px 20px;
        }

        .navbar .logo {
            font-size: 1rem;
        }

        .navbar ul li a {
            font-size: 0.9rem;
        }

        .header-title {
            font-size: 1rem;
        }

        .sample-data h2 {
            font-size: 1.2rem;
        }

        .sample-data pre {
            font-size: 0.7rem;
        }

        article h2 {
            font-size: 1.5rem;
        }

        article h3 {
            font-size: 1.2rem;
        }

        article h4 {
            font-size: 1rem;
        }
    }