/* 导入字体 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&family=Lato:wght@400;700&display=swap');

    /* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        background: linear-gradient(135deg, #000046, #1cb5e0);
        color: #ffffff;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
    }

    /* 头部样式 */
    header {
        position: relative;
        width: 100%;
        height: 100vh;
        background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center/cover;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
    }

    header h1 {
        font-size: 4rem;
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 20px rgba(255, 255, 255, 0.6);
        background-color: rgba(0, 0, 0, 0.5);
        padding: 20px;
        border-radius: 10px;
    }

    /* 主体内容样式 */
    main {
        padding: 50px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    section {
        margin-bottom: 50px;
    }

    h2, h3, h4 {
        font-family: 'Lato', sans-serif;
        margin-bottom: 20px;
    }

    h2 {
        font-size: 2.5rem;
        text-shadow: 0 0 5px #fff, 0 0 10px #1cb5e0;
    }

    h3 {
        font-size: 2rem;
        color: #1cb5e0;
    }

    h4 {
        font-size: 1.5rem;
        color: #ffffff;
    }

    p {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        color: #1cb5e0;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    th, td {
        border: 1px solid #1cb5e0;
        padding: 10px;
        text-align: left;
    }

    th {
        background-color: rgba(28, 181, 224, 0.2);
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 5px;
    }

    /* 按钮样式 */
    button {
        background-color: #1cb5e0;
        color: #ffffff;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: box-shadow 0.3s ease;
        font-size: 1rem;
    }

    button:hover {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    }

    /* 提示语样式 */
    .reference-note {
        text-align: center;
        font-size: 1.2rem;
        margin-top: 40px;
        color: #ffea00;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 2.5rem;
            padding: 10px;
        }

        h2 {
            font-size: 2rem;
        }

        h3 {
            font-size: 1.5rem;
        }

        h4 {
            font-size: 1.2rem;
        }

        p, code {
            font-size: 0.9rem;
        }
    }

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

        h2 {
            font-size: 1.8rem;
        }

        h3 {
            font-size: 1.2rem;
        }

        h4 {
            font-size: 1rem;
        }

        p, code {
            font-size: 0.8rem;
        }
    }