/* 颜色变量 */
    :root {
        --deep-blue: #0f2027;
        --purple: #432371;
        --silver-gray: #c0c0c0;
        --neon-green: #39ff14;
        --neon-orange: #ff9100;
        --background-gradient: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        --header-gradient: linear-gradient(45deg, #432371, #2c5364);
        --font-primary: 'Roboto', sans-serif;
        --font-futuristic: 'Orbitron', sans-serif;
    }

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

    body {
        font-family: var(--font-primary);
        background: var(--background-gradient);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4 {
        font-family: var(--font-futuristic);
        color: var(--neon-orange);
        margin-bottom: 15px;
    }

    p {
        margin-bottom: 15px;
    }

    a {
        color: var(--neon-green);
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 头部样式 */
    .header {
        text-align: center;
        padding: 50px 20px;
        background: var(--header-gradient);
        border-radius: 15px;
        margin-bottom: 30px;
    }

    .header h1 {
        font-size: 2.5rem;
    }

    .header p {
        font-size: 1.2rem;
        margin-top: 10px;
    }

    /* 模块化布局 */
    .modules {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
        margin-bottom: 30px;
    }

    .module-card {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 10px;
        padding: 20px;
        width: 300px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .module-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .module-card img {
        width: 100%;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    .module-card h3 {
        margin-bottom: 10px;
    }

    .module-card p {
        font-size: 0.95rem;
    }

    /* 波纹效果 */
    .ripple-effect {
        position: relative;
        overflow: hidden;
        cursor: pointer;
    }

    .ripple-effect::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
        opacity: 0;
    }

    .ripple-effect:hover::after {
        width: 200px;
        height: 200px;
        opacity: 1;
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00ffea;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 15px;
    }

    table, th, td {
        border: 1px solid #ffffff;
    }

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

    th {
        background: var(--neon-orange);
    }

    /* 列表样式 */
    ul {
        list-style-type: disc;
        padding-left: 20px;
        margin-bottom: 15px;
    }

    /* 数据展示区 */
    .data-display {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        margin-bottom: 30px;
    }

    /* 提示语样式 */
    .prompt {
        text-align: center;
        font-size: 1rem;
        margin-top: 20px;
        color: var(--neon-green);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .module-card {
            width: 28%;
        }
    }

    @media (max-width: 1200px) {
        .module-card {
            width: 45%;
        }
    }

    @media (max-width: 1024px) {
        .module-card {
            width: 60%;
        }
    }

    @media (max-width: 768px) {
        .modules {
            flex-direction: column;
            align-items: center;
        }

        .module-card {
            width: 80%;
        }
    }

    @media (max-width: 480px) {
        .header h1 {
            font-size: 2rem;
        }

        .module-card {
            width: 90%;
        }
    }

    @media (max-width: 320px) {
        .header {
            padding: 30px 10px;
        }

        .header h1 {
            font-size: 1.5rem;
        }

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