/* 基础样式重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    /* 全局字体与颜色设置 */
    body {
        font-family: 'Roboto', sans-serif;
        color: #333;
        background: linear-gradient(135deg, #0074D9, #FF6F61);
        background-size: 400% 400%;
        animation: gradient-animation 15s ease infinite;
        line-height: 1.6;
        padding: 20px;
    }

    @keyframes gradient-animation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 容器样式 */
    .container {
        max-width: 1200px;
        margin: auto;
        background: rgba(255, 255, 255, 0.9);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    /* 标题样式 */
    h1, h2, h3 {
        font-family: 'Bebas Neue', cursive;
        color: #0074D9;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 48px;
        text-align: center;
    }

    h2 {
        font-size: 36px;
        border-bottom: 2px solid #FF6F61;
        padding-bottom: 10px;
    }

    h3 {
        font-size: 28px;
        margin-top: 30px;
    }

    /* 段落样式 */
    p {
        font-size: 16px;
        margin-bottom: 15px;
    }

    /* 代码块样式 */
    pre {
        background: #f5f5f5;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

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

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

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

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

    th {
        background-color: #0074D9;
        color: #fff;
    }

    /* 按钮样式 */
    .button {
        display: inline-block;
        padding: 10px 20px;
        background-color: #FF6F61;
        color: #fff;
        text-decoration: none;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 16px;
    }

    .button:hover {
        background-color: #ff5722;
        transform: scale(1.05);
    }

    .button:active {
        transform: scale(0.95);
    }

    /* 导航栏样式 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.8);
        padding: 15px 0;
        z-index: 1000;
        transition: background 0.5s;
    }

    .navbar a {
        color: #fff;
        margin: 0 15px;
        text-decoration: none;
        font-size: 18px;
        transition: color 0.3s;
    }

    .navbar a:hover {
        color: #FF6F61;
    }

    /* 主内容区样式 */
    .content {
        margin-top: 80px;
    }

    /* 3D模型展示区域 */
    .model-3d {
        width: 100%;
        height: 300px;
        background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center;
        background-size: contain;
        transform-style: preserve-3d;
        perspective: 1000px;
        transition: transform 0.5s ease-in-out;
        margin-bottom: 20px;
    }

    .model-3d:hover {
        transform: rotateY(180deg);
    }

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

    .images-gallery img {
        width: 150px;
        height: 150px;
        object-fit: cover;
        border-radius: 5px;
    }

    /* 提示信息样式 */
    .notice {
        background: #FFEB3B;
        padding: 10px;
        text-align: center;
        border-radius: 5px;
        margin-bottom: 20px;
        font-weight: bold;
    }

    /* 示例展示样式 */
    .example-section {
        background: #f0f0f0;
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 20px;
    }

    .example-section h2, .example-section h3 {
        color: #D35400;
    }

    /* 代码预览样式 */
    .code-preview {
        background: #2c3e50;
        color: #ecf0f1;
        padding: 15px;
        border-radius: 5px;
        font-family: 'Courier New', Courier, monospace;
        overflow-x: auto;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 42px;
        }

        h2 {
            font-size: 32px;
        }

        h3 {
            font-size: 24px;
        }

        .button {
            font-size: 14px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 25px;
        }
    }

    @media (max-width: 1024px) {
        h1 {
            font-size: 36px;
        }

        h2 {
            font-size: 28px;
        }

        h3 {
            font-size: 20px;
        }

        .model-3d {
            height: 250px;
        }
    }

    @media (max-width: 768px) {
        .container {
            padding: 20px;
        }

        .images-gallery {
            justify-content: center;
        }

        .model-3d {
            height: 200px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 28px;
        }

        h2 {
            font-size: 24px;
        }

        h3 {
            font-size: 18px;
        }

        .images-gallery img {
            width: 100px;
            height: 100px;
        }
    }

    @media (max-width: 320px) {
        .container {
            padding: 15px;
        }

        h1 {
            font-size: 24px;
        }

        h2 {
            font-size: 20px;
        }

        h3 {
            font-size: 16px;
        }

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

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

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

    /* 按钮动画 */
    .button-animated {
        background: radial-gradient(circle, rgba(255,135,0,1) 0%, rgba(255,87,34,1) 100%);
        animation: aurora-move 15s linear infinite;
    }

    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }