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

    body {
        font-family: 'Roboto Mono', monospace;
        background: linear-gradient(135deg, #000033, #000066, #1e0099);
        color: #ffffff;
        overflow-x: hidden;
        display: flex;
        min-height: 100vh;
    }

    /* 导航栏样式 */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: 250px;
        height: 100%;
        background: rgba(0, 0, 51, 0.9);
        padding: 20px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .sidebar h1 {
        font-size: 1.5em;
        margin-bottom: 30px;
        color: #00ffcc;
        text-align: center;
    }

    .sidebar ul {
        list-style: none;
    }

    .sidebar ul li {
        margin: 20px 0;
    }

    .sidebar ul li a {
        color: #ffffff;
        text-decoration: none;
        font-size: 1.1em;
        position: relative;
        display: inline-block;
        padding: 5px 0;
    }

    .sidebar ul li a::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: #00ffcc;
        transition: width 0.3s;
    }

    .sidebar ul li a:hover::after {
        width: 100%;
    }

    /* 主内容区样式 */
    .main-content {
        margin-left: 250px;
        padding: 40px;
        background: rgba(0, 0, 51, 0.7);
        min-height: 100vh;
        overflow-y: auto;
    }

    .main-content h2 {
        color: #ff66cc;
        margin-bottom: 20px;
        text-align: center;
    }

    .main-content h3 {
        color: #66ccff;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    .main-content h4 {
        color: #99ff66;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    .main-content p {
        line-height: 1.6;
        margin-bottom: 15px;
    }

    .main-content pre {
        background: #1a1a2e;
        padding: 15px;
        border-radius: 5px;
        overflow: auto;
        margin-bottom: 20px;
    }

    .main-content code {
        color: #ffcc00;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 示例数据展示 */
    .sample-data {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .sample-data h2 {
        color: #ff6666;
        text-align: center;
        margin-bottom: 20px;
    }

    .sample-data ul {
        list-style: square;
        padding-left: 20px;
    }

    .sample-data ul li {
        margin-bottom: 10px;
    }

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

    .images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 10px;
    }

    /* 提示信息样式 */
    .reference {
        margin-top: 30px;
        text-align: center;
        font-size: 1.2em;
        color: #ffff66;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .sidebar {
            width: 220px;
        }

        .main-content {
            margin-left: 220px;
            padding: 30px;
        }
    }

    @media (max-width: 1200px) {
        .sidebar {
            width: 200px;
        }

        .main-content {
            margin-left: 200px;
            padding: 25px;
        }

        .images img {
            width: 90px;
            height: 90px;
        }
    }

    @media (max-width: 1024px) {
        .sidebar {
            width: 180px;
        }

        .main-content {
            margin-left: 180px;
            padding: 20px;
        }

        .images img {
            width: 80px;
            height: 80px;
        }
    }

    @media (max-width: 768px) {
        .sidebar {
            width: 160px;
        }

        .main-content {
            margin-left: 160px;
            padding: 15px;
        }

        .images img {
            width: 70px;
            height: 70px;
        }

        .sidebar ul li a {
            font-size: 1em;
        }
    }

    @media (max-width: 480px) {
        .sidebar {
            width: 140px;
        }

        .main-content {
            margin-left: 140px;
            padding: 10px;
        }

        .images img {
            width: 60px;
            height: 60px;
        }

        .sidebar h1 {
            font-size: 1.2em;
        }

        .main-content h2 {
            font-size: 1.4em;
        }
    }

    @media (max-width: 320px) {
        .sidebar {
            width: 120px;
            padding: 10px;
        }

        .main-content {
            margin-left: 120px;
            padding: 5px;
        }

        .images img {
            width: 50px;
            height: 50px;
        }

        .sidebar ul li a {
            font-size: 0.9em;
        }

        .main-content h2 {
            font-size: 1.2em;
        }
    }

    /* 动画效果 */
    .button {
        position: relative;
        overflow: hidden;
        padding: 10px 20px;
        background: #00ffcc;
        color: #000;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s;
    }

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

    .button::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: all 0.5s ease;
    }

    .button:hover::before {
        width: 200px;
        height: 200px;
    }

    /* 3D模型画布样式 */
    #3d-canvas {
        width: 100%;
        height: 400px;
        border-radius: 10px;
        margin-top: 20px;
    }