/* 通用样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #8BC34A, #F57C00, #03A9F4);
        color: #333;
        line-height: 1.6;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Poppins', sans-serif;
        color: #fff;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 2.5em;
        text-align: center;
        margin-top: 20px;
        background: -webkit-linear-gradient(#8BC34A, #F57C00);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    h2 {
        font-size: 2em;
        border-bottom: 2px solid #fff;
        padding-bottom: 10px;
    }

    h3 {
        font-size: 1.5em;
        margin-top: 30px;
    }

    p {
        font-size: 1em;
        margin-bottom: 15px;
        padding: 0 15px;
    }

    a {
        color: #03A9F4;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 容器样式 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: auto;
        padding: 20px;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

    /* 文章样式 */
    article {
        background: rgba(255, 255, 255, 0.8);
        padding: 20px;
        border-radius: 15px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    article h2 {
        text-align: center;
    }

    article pre {
        background: #f4f4f4;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }

    article code {
        font-family: 'Courier New', Courier, monospace;
        color: #c7254e;
        background-color: #f9f2f4;
        padding: 2px 4px;
        border-radius: 4px;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid #ddd;
    }

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background-color: #f2f2f2;
    }

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

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        border-radius: 10px;
    }

    /* 微交互动画 */
    .float {
        animation: float 3s ease-in-out infinite;
    }

    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-15px); }
    }

    .hover-effect {
        transition: transform 0.3s, opacity 0.3s;
    }

    .hover-effect:hover {
        transform: scale(1.05);
        opacity: 0.9;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.2em;
        }

        h2 {
            font-size: 1.8em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        h1 {
            font-size: 2em;
        }

        h2 {
            font-size: 1.6em;
        }
    }

    @media (max-width: 768px) {
        .container {
            grid-template-columns: 1fr;
        }

        h1 {
            font-size: 1.8em;
        }

        h2 {
            font-size: 1.4em;
        }
    }

    @media (max-width: 480px) {
        p, li {
            font-size: 0.9em;
        }

        h1 {
            font-size: 1.5em;
        }

        h2 {
            font-size: 1.2em;
        }

        .image-gallery img {
            max-width: 100%;
        }
    }

    @media (max-width: 320px) {
        p, li {
            font-size: 0.8em;
        }

        h1 {
            font-size: 1.2em;
        }

        h2 {
            font-size: 1em;
        }
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        margin: 10px 0;
        background-color: #8BC34A;
        color: #fff;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: background-color 0.3s ease;
    }

    .btn:hover {
        background-color: #689f38;
    }

    /* 提示信息样式 */
    .note {
        text-align: center;
        font-size: 1em;
        color: #fff;
        margin: 20px 0;
    }

    /* 3D 模型容器 */
    .model-container {
        perspective: 1000px;
    }

    .model {
        width: 200px;
        height: 200px;
        background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center;
        background-size: cover;
        transform: rotateY(0deg);
        transition: transform 1s;
    }

    .model:hover {
        transform: rotateY(360deg);
    }

    /* 背景动态效果 */
    .background-effect {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        background: url('https://images.gptkong.com/demo/sample2.png') no-repeat center center;
        background-size: cover;
        animation: backgroundMove 20s linear infinite;
        opacity: 0.5;
    }

    @keyframes backgroundMove {
        from { background-position: 0 0; }
        to { background-position: 100% 100%; }
    }