/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        background: radial-gradient(circle, rgba(0, 116, 217, 0.8), rgba(255, 133, 27, 0.8));
        color: #333;
    }

    /* 页眉样式 */
    .header {
        background: linear-gradient(135deg, #0074D9, #FF851B);
        color: white;
        padding: 40px 20px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    /* 全屏背景动画 */
    .header::before {
        content: "";
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
        animation: aurora-move 15s linear infinite;
    }

    @keyframes aurora-move {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

    /* 主内容容器 */
    .container {
        display: grid;
        grid-template-columns: 1fr 3fr;
        gap: 20px;
        padding: 20px 40px;
    }

    /* 侧边栏样式 */
    .sidebar {
        background: rgba(255, 255, 255, 0.8);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .sidebar img {
        width: 100%;
        height: auto;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    /* 主文章样式 */
    .main-content {
        background: rgba(255, 255, 255, 0.9);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .main-content h2, .main-content h3 {
        font-family: 'Montserrat', sans-serif;
        color: #0074D9;
    }

    .main-content pre {
        background: #f5f5f5;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .main-content code {
        font-family: 'Courier New', Courier, monospace;
        color: #D35400;
    }

    /* 示例展示样式 */
    .example-section {
        margin-top: 40px;
        padding: 20px;
        background: linear-gradient(135deg, #FF851B, #FFDC00);
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }

    .example-section h2 {
        color: #fff;
    }

    .example-section article {
        background: rgba(255, 255, 255, 0.8);
        padding: 15px;
        border-radius: 5px;
        max-height: 400px;
        overflow-y: auto;
    }

    /* 按钮样式 */
    .button {
        background-color: #FF851B;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s ease-in-out;
    }

    .button:hover {
        transform: scale(1.1);
    }

    /* 虚拟助手样式 */
    .assistant {
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 60px;
        height: 60px;
        background: url('https://images.gptkong.com/demo/sample7.png') no-repeat center;
        background-size: cover;
        cursor: pointer;
        transition: transform 0.3s ease-in-out;
    }

    .assistant:hover {
        transform: scale(1.2);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            grid-template-columns: 1fr 2fr;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 1024px) {
        .header {
            padding: 30px 10px;
        }

        .container {
            padding: 15px 20px;
        }
    }

    @media (max-width: 768px) {
        .main-content {
            padding: 15px;
        }

        .sidebar {
            display: none;
        }
    }

    @media (max-width: 480px) {
        .header h1 {
            font-size: 24px;
        }

        .button {
            width: 100%;
            padding: 12px 0;
        }
    }

    @media (max-width: 320px) {
        .header h1 {
            font-size: 20px;
        }

        .example-section {
            padding: 15px;
        }
    }

    /* 提示样式 */
    .reference-note {
        text-align: center;
        padding: 20px;
        background: rgba(0, 116, 217, 0.1);
        font-style: italic;
        margin-top: 40px;
        border-radius: 8px;
    }