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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    a {
        color: #48d1cc;
        text-decoration: none;
        transition: all 0.3s ease;
    }

    a:hover {
        color: #ff69b4;
        text-decoration: underline;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: linear-gradient(135deg, #2c5364, #203a43, #0f2027);
        border-bottom: 2px solid #48d1cc;
    }

    header h1 {
        font-size: 3em;
        margin-bottom: 10px;
        text-shadow: 0 0 10px #48d1cc;
    }

    nav {
        margin-top: 20px;
    }

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

    nav ul li {
        margin: 0 15px;
    }

    main {
        max-width: 1200px;
        margin: 40px auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        box-shadow: 0 0 20px rgba(0,0,0,0.5);
    }

    article h2 {
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #ff69b4;
    }

    article h3 {
        font-size: 1.8em;
        margin: 20px 0;
        color: #48d1cc;
    }

    article p {
        margin-bottom: 15px;
    }

    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        color: #ffb6c1;
        font-family: 'Courier New', Courier, monospace;
    }

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

    table, th, td {
        border: 1px solid #48d1cc;
    }

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

    th {
        background: #203a43;
    }

    .image-gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin: 30px 0;
    }

    .image-gallery img {
        width: 100%;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .image-gallery img:hover {
        transform: scale(1.05);
    }

    .reference-note {
        text-align: center;
        margin: 40px 0;
        font-size: 1.2em;
        color: #ffd700;
    }

    footer {
        text-align: center;
        padding: 20px 0;
        border-top: 1px solid #48d1cc;
        color: #ffffff;
    }

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

        article h2 {
            font-size: 2em;
        }

        article h3 {
            font-size: 1.5em;
        }
    }

    @media (max-width: 1200px) {
        main {
            padding: 15px;
        }
    }

    @media (max-width: 1024px) {
        nav ul {
            flex-direction: column;
            align-items: center;
        }

        nav ul li {
            margin: 10px 0;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        article h2 {
            font-size: 1.8em;
        }

        article h3 {
            font-size: 1.3em;
        }
    }

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

        article h2 {
            font-size: 1.5em;
        }

        article h3 {
            font-size: 1.1em;
        }

        .image-gallery {
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }

        header h1 {
            font-size: 1.2em;
        }

        article h2 {
            font-size: 1.3em;
        }

        article h3 {
            font-size: 1em;
        }
    }