/* 引入字体 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@700&family=Open+Sans&display=swap');

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

    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #00008B, #8A2BE2);
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
    }

    a {
        color: #FFD700;
        text-decoration: none;
        transition: transform 0.3s, background-color 0.3s;
        rel: nofollow;
    }

    a:hover {
        transform: scale(1.1);
        background-color: #FFA500;
    }

    h1, h2, h3, h4 {
        font-family: 'Roboto', sans-serif;
        text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
    }

    h1 {
        font-size: 2.5em;
        margin-bottom: 20px;
        text-align: center;
    }

    h2 {
        font-size: 2em;
        margin-top: 40px;
        margin-bottom: 20px;
    }

    h3 {
        font-size: 1.5em;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    p {
        margin-bottom: 15px;
    }

    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00FF7F;
    }

    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        padding: 20px;
    }

    .module {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        position: relative;
        z-index: 1;
        transform: translateZ(0);
        transition: transform 0.3s;
    }

    .module:hover {
        transform: scale(1.05);
    }

    .buttons {
        display: flex;
        gap: 10px;
        margin-top: 10px;
    }

    button {
        padding: 10px 20px;
        background-color: #FF4500;
        border: none;
        border-radius: 5px;
        color: #FFFFFF;
        cursor: pointer;
        transition: transform 0.3s, background-color 0.3s;
    }

    button:hover {
        transform: scale(1.1);
        background-color: #FFD700;
    }

    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .images img {
        width: 100%;
        max-width: 150px;
        height: auto;
        border-radius: 5px;
    }

    .example-article {
        background: rgba(0, 0, 0, 0.5);
        padding: 20px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .example-article h2 {
        text-align: center;
        margin-bottom: 20px;
    }

    .example-article pre {
        background: rgba(255, 255, 255, 0.2);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
    }

    .particles {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        z-index: -1;
    }

    /* 动画 */
    @keyframes rotate {
        from { transform: rotateY(0deg); }
        to { transform: rotateY(360deg); }
    }

    .rotating-model {
        animation: rotate 20s infinite linear;
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.2em;
        }
        h2 {
            font-size: 1.8em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        h1 {
            font-size: 2em;
        }
        h2 {
            font-size: 1.6em;
        }
        .rotating-model {
            width: 150px;
            height: 150px;
        }
    }

    @media (max-width: 768px) {
        h1 {
            font-size: 1.8em;
        }
        h2 {
            font-size: 1.4em;
        }
    }

    @media (max-width: 480px) {
        .container {
            grid-template-columns: 1fr;
        }
        h1 {
            font-size: 1.6em;
        }
        h2 {
            font-size: 1.2em;
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }
        button {
            padding: 8px 16px;
        }
        .images img {
            max-width: 100px;
        }
    }

    /* 提示语样式 */
    .reference-note {
        text-align: center;
        margin-top: 50px;
        font-style: italic;
        color: #FFD700;
    }