:root {
        --primary-color: #0D1B2A;
        --accent-color: #7A5AF8;
        --secondary-accent: #4DABF7;
        --background-color: #F8F9FA;
        --text-color: #333333;
        --heading-font: 'Roboto', sans-serif;
        --body-font: 'Merriweather', serif;
        --code-bg: #272822;
        --code-color: #F8F8F2;
        --border-color: #E0E0E0;
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: var(--body-font);
        background: linear-gradient(135deg, var(--background-color), var(--primary-color));
        color: var(--text-color);
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 40px 20px;
        background: radial-gradient(circle, var(--primary-color), transparent);
        animation: aurora-move 15s linear infinite;
        color: white;
    }

    header h1 {
        font-family: var(--heading-font);
        font-size: 2.5rem;
        margin-bottom: 10px;
    }

    header p {
        font-size: 1.2rem;
    }

    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 20px;
        padding: 20px;
    }

    .module {
        background-color: white;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .module:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
    }

    .module img {
        width: 100%;
        height: auto;
        display: block;
    }

    .module-content {
        padding: 20px;
    }

    .module-content h2 {
        font-family: var(--heading-font);
        font-size: 1.5rem;
        margin-bottom: 10px;
        color: var(--primary-color);
    }

    .module-content p {
        font-size: 1rem;
        margin-bottom: 15px;
    }

    .module-content a {
        color: var(--accent-color);
        text-decoration: none;
        font-weight: bold;
    }

    .module-content a:hover {
        text-decoration: underline;
    }

    /* 示例展示样式 */
    .demo-section {
        background-color: var(--background-color);
        padding: 30px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        margin-top: 40px;
    }

    .demo-section h2 {
        font-family: var(--heading-font);
        color: var(--primary-color);
        margin-bottom: 20px;
        text-align: center;
    }

    .demo-section article {
        max-width: 800px;
        margin: 0 auto;
    }

    .demo-section pre {
        background-color: var(--code-bg);
        color: var(--code-color);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    .demo-section code {
        font-family: 'Courier New', Courier, monospace;
    }

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

    table, th, td {
        border: 1px solid var(--border-color);
    }

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

    th {
        background-color: var(--accent-color);
        color: white;
    }

    /* Footer */
    footer {
        text-align: center;
        padding: 20px;
        margin-top: 40px;
        font-size: 1rem;
        color: var(--text-color);
    }

    /* Animations */
    @keyframes aurora-move {
        0% {
            background-position: 0% 50%;
        }
        50% {
            background-position: 100% 50%;
        }
        100% {
            background-position: 0% 50%;
        }
    }

    /* Responsive Design */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        header {
            padding: 30px 15px;
        }
        .demo-section {
            padding: 20px;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2rem;
        }
        .module-content h2 {
            font-size: 1.3rem;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.8rem;
        }
        .module-content p {
            font-size: 0.9rem;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.5rem;
        }
        .module-content h2 {
            font-size: 1.1rem;
        }
    }