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

    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #000428, #004e92);
        color: #ffffff;
        line-height: 1.6;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Orbitron', sans-serif;
        color: #00ffea;
        margin-bottom: 20px;
    }

    p {
        margin-bottom: 15px;
        line-height: 1.8;
    }

    a {
        color: #ff00c8;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #00ffea;
    }

    /* 容器样式 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: auto;
        padding: 40px 0;
    }

    /* 导航栏样式 */
    nav {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    nav ul {
        list-style: none;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

    nav ul li {
        margin: 0 15px;
    }

    /* 头部样式 */
    .header {
        height: 100vh;
        background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center/cover;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        position: relative;
    }

    .header::before {
        content: '';
        position: absolute;
        top:0;
        left:0;
        width:100%;
        height:100%;
        background: rgba(0,0,0,0.5);
    }

    .header-content {
        position: relative;
        z-index: 1;
    }

    .header h1 {
        font-size: 3rem;
        margin-bottom: 20px;
        animation: fadeInDown 1s ease-out;
    }

    .header p {
        font-size: 1.2rem;
        margin-bottom: 30px;
        animation: fadeInUp 1s ease-out;
    }

    .btn {
        background-color: #00ff99;
        color: #ffffff;
        padding: 10px 30px;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .btn:hover {
        background-color: #00cc66;
        transform: scale(1.1);
    }

    /* 内容区块样式 */
    .section {
        padding: 60px 0;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        margin-bottom: 30px;
        border-radius: 10px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    }

    .section:nth-child(even) {
        background: linear-gradient(135deg, #2a5298, #1e3c72);
    }

    .section h2 {
        text-align: center;
        margin-bottom: 40px;
    }

    .section .content {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
    }

    .section .content .text {
        flex: 1;
        min-width: 300px;
        padding: 20px;
    }

    .section .content .image {
        flex: 1;
        min-width: 300px;
        padding: 20px;
        text-align: center;
    }

    .section .content .image img {
        width: 100%;
        max-width: 320px;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .section .content .image img:hover {
        transform: scale(1.05);
    }

    /* 示例展示样式 */
    .example-display {
        background: rgba(255, 255, 255, 0.1);
        padding: 40px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        margin-bottom: 30px;
    }

    .example-display h2 {
        color: #ff00c8;
        text-align: center;
        margin-bottom: 20px;
    }

    .example-display article {
        background: rgba(0, 0, 0, 0.6);
        padding: 20px;
        border-radius: 5px;
    }

    .example-display pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    .example-display code {
        color: #d4d4d4;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 提示样式 */
    .tooltip {
        position: fixed;
        bottom: 10px;
        right: 10px;
        background: rgba(0,0,0,0.7);
        color: #ffffff;
        padding: 10px 20px;
        border-radius: 20px;
        font-size: 0.9rem;
        animation: fadeIn 2s ease-in-out;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .header h1 {
            font-size: 2.5rem;
        }
        .header p {
            font-size: 1rem;
        }
    }

    @media (max-width: 1200px) {
        .section .content {
            flex-direction: column;
        }
    }

    @media (max-width: 1024px) {
        nav ul {
            flex-direction: column;
        }
        nav ul li {
            margin: 10px 0;
        }
    }

    @media (max-width: 768px) {
        .header h1 {
            font-size: 2rem;
        }
        .header p {
            font-size: 0.9rem;
        }
        .section {
            padding: 40px 0;
        }
    }

    @media (max-width: 480px) {
        nav {
            padding: 10px;
        }
        .header h1 {
            font-size: 1.5rem;
        }
        .btn {
            padding: 8px 20px;
        }
    }

    @media (max-width: 320px) {
        .header h1 {
            font-size: 1.2rem;
        }
        .section h2 {
            font-size: 1.5rem;
        }
    }

    /* 动画效果 */
    @keyframes fadeInDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }

    /* 代码块样式 */
    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        color: #d4d4d4;
        font-family: 'Courier New', Courier, monospace;
    }

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

    table, th, td {
        border: 1px solid #555555;
    }

    th, td {
        padding: 10px;
        text-align: center;
    }

    th {
        background: #333333;
    }

    td {
        background: #1e1e1e;
    }

    /* 按钮样式 */
    .button {
        background-color: #00ff99;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .button:hover {
        background-color: #00cc66;
        transform: scale(1.1);
    }

    /* 图片样式 */
    .image-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .image-grid img {
        width: 100%;
        max-width: 320px;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .image-grid img:hover {
        transform: scale(1.05);
    }