/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, #0A1F44, transparent);
        color: #C0C0C0;
        line-height: 1.6;
    }

    h1, h2, h3, h4, h5, h6 {
        color: #39FF14;
        text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    }

    p {
        margin: 20px 0;
    }

    /* 容器样式 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 网格布局 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

    .module {
        background: rgba(10, 31, 68, 0.8);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .module:hover {
        transform: translateY(-10px);
        box-shadow: 0 12px 24px rgba(0,0,0,0.4);
    }

    /* 按钮样式 */
    .button-3d {
        position: relative;
        padding: 12px 24px;
        background-color: #8A2BE2;
        color: #ffffff;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 16px;
    }

    .button-3d::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.2);
        border-radius: 5px;
        transform: translate(-50%, -50%) scale(1.1);
        z-index: -1;
        transition: all 0.3s ease;
    }

    .button-3d:hover {
        transform: translateY(-5px);
    }

    .button-3d:hover::before {
        opacity: 0;
    }

    /* 图片样式 */
    img.decorative {
        width: 100%;
        height: auto;
        border-radius: 10px;
    }

    /* 代码块样式 */
    pre {
        background: #282c34;
        color: #61dafb;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 文章示例展示 */
    .example-article {
        background: rgba(10, 31, 68, 0.9);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.3);
        margin-top: 40px;
    }

    /* 标题样式 */
    .title {
        text-align: center;
        font-size: 2.5em;
        margin-bottom: 20px;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .grid-container {
            grid-template-columns: 1fr;
        }

        .title {
            font-size: 2em;
        }
    }

    @media (max-width: 480px) {
        .button-3d {
            width: 100%;
            padding: 10px;
            font-size: 14px;
        }

        .example-article {
            padding: 20px;
        }
    }

    /* 旋转动画 */
    @keyframes rotate {
        from { transform: rotateY(0deg); }
        to { transform: rotateY(360deg); }
    }

    .earth {
        width: 200px;
        height: 200px;
        background-image: url('sample1.png');
        background-size: cover;
        border-radius: 50%;
        animation: rotate 15s linear infinite;
        margin: 0 auto;
    }

    /* 提示文字样式 */
    .reference-note {
        text-align: center;
        font-size: 1.2em;
        color: #39FF14;
        margin: 30px 0;
    }

    /* 交互式3D模型样式 */
    .interactive-3d {
        perspective: 1000px;
    }

    .interactive-3d div {
        width: 100%;
        height: 300px;
        background: #8A2BE2;
        transform: rotateY(45deg);
        transition: transform 1s;
    }

    .interactive-3d div:hover {
        transform: rotateY(0deg);
    }