/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0A2463, #4CAF50);
        color: #FFFFFF;
        line-height: 1.6;
    }

    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    h1, h2, h3, h4 {
        font-weight: bold;
        color: #FF9800;
    }

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

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

    h3 {
        font-size: 1.75em;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    p {
        font-size: 1em;
        margin-bottom: 15px;
    }

    /* 按钮样式 */
    .button-primary {
        background-color: #FF9800;
        color: #FFFFFF;
        border: none;
        padding: 10px 20px;
        border-radius: 25px;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .button-primary:hover {
        background-color: #E65100;
        transform: scale(1.05);
    }

    /* 网格系统 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 20px;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        padding: 20px;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
    }

    .card img {
        width: 100%;
        border-radius: 5px;
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-size: 0.9em;
    }

    code {
        color: #FF9800;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .image-gallery img {
        width: calc(25% - 10px);
        border-radius: 5px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .grid-container {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }

        .image-gallery img {
            width: calc(33.333% - 10px);
        }
    }

    @media (max-width: 1200px) {
        .image-gallery img {
            width: calc(50% - 10px);
        }
    }

    @media (max-width: 768px) {
        .image-gallery img {
            width: 100%;
        }

        h1 {
            font-size: 2em;
        }

        h2 {
            font-size: 1.75em;
        }

        h3 {
            font-size: 1.5em;
        }
    }

    /* 过渡动画 */
    .fade-in {
        opacity: 0;
        animation: fadeIn 2s forwards;
    }

    @keyframes fadeIn {
        to {
            opacity: 1;
        }
    }

    /* 链接样式 */
    a {
        color: #4CAF50;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 提示文字样式 */
    .reference-note {
        text-align: center;
        margin-top: 40px;
        font-style: italic;
        color: #FFD54F;
    }

    /* 示例展示样式 */
    .example-article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .example-article h2 {
        color: #FFD54F;
    }

    .example-article pre {
        background: rgba(0, 0, 0, 0.8);
    }