/* 引入Roboto字体 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

    /* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #4567b7, #8ebedb);
        color: #ffffff;
        overflow-x: hidden;
    }

    /* 固定导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.8);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 50px;
        z-index: 1000;
        transition: background 0.5s ease;
    }

    .navbar.scrolled {
        background: rgba(0, 0, 0, 1);
    }

    .navbar .logo {
        font-size: 24px;
        font-weight: 700;
    }

    .navbar ul {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    .navbar ul li {
        position: relative;
    }

    .navbar ul li a {
        text-decoration: none;
        color: #ffffff;
        font-weight: 500;
        transition: color 0.3s ease, transform 0.3s ease;
    }

    .navbar ul li a:hover {
        color: #8ebedb;
        transform: scale(1.1);
    }

    /* 主内容区域 */
    .main {
        padding-top: 100px;
        padding-left: 50px;
        padding-right: 50px;
        background: rgba(0, 0, 0, 0.5);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        animation: fadeIn 2s ease-in-out;
    }

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

    /* 动态浪潮动画 */
    .wave-animation {
        width: 100%;
        height: 300px;
        background: url('https://images.gptkong.com/demo/sample1.png') repeat-x;
        animation: wave 10s linear infinite;
    }

    @keyframes wave {
        from { background-position: 0 0; }
        to { background-position: 1000px 0; }
    }

    /* 信息区块 */
    .info-sections {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 40px;
        width: 100%;
        margin-top: 50px;
    }

    .info-section {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(5px);
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .info-section:hover {
        transform: translateY(-10px);
        background: rgba(255, 255, 255, 0.2);
    }

    .info-section h3 {
        margin-top: 0;
        color: #ffffff;
    }

    .info-section p {
        color: #dddddd;
        line-height: 1.6;
    }

    /* 示例数据展示区 */
    .example-data {
        width: 100%;
        margin-top: 60px;
        padding: 20px;
        background: rgba(0, 0, 0, 0.6);
        border-radius: 10px;
    }

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

    .example-data pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        color: #00ff00;
        font-family: 'Courier New', Courier, monospace;
    }

    .example-data table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }

    .example-data table, .example-data th, .example-data td {
        border: 1px solid #444;
    }

    .example-data th, .example-data td {
        padding: 10px;
        text-align: left;
    }

    .example-data th {
        background: #555;
        color: #fff;
    }

    .example-data td {
        background: #333;
        color: #ddd;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        margin-top: 20px;
        background: #8ebedb;
        color: #ffffff;
        text-decoration: none;
        border-radius: 5px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .btn:hover {
        transform: scale(1.05);
        box-shadow: 0 0 10px #8ebedb;
    }

    /* 雷达扫描效果 */
    .btn::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: width 0.5s ease, height 0.5s ease;
    }

    .btn:active::after {
        width: 200px;
        height: 200px;
        transition: width 0.5s ease, height 0.5s ease;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .navbar {
            padding: 15px 30px;
        }

        .main {
            padding: 80px 30px;
        }

        .info-sections {
            gap: 30px;
        }
    }

    @media (max-width: 1200px) {
        .navbar ul {
            gap: 15px;
        }

        .main {
            padding: 60px 20px;
        }

        .info-sections {
            grid-template-columns: 1fr;
            gap: 20px;
        }
    }

    @media (max-width: 1024px) {
        .navbar {
            padding: 10px 20px;
        }

        .main {
            padding: 50px 10px;
        }

        .info-sections {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        .navbar ul {
            display: none;
        }

        .navbar .menu-icon {
            display: block;
            cursor: pointer;
            color: #ffffff;
            font-size: 24px;
        }

        .navbar.active ul {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 60px;
            right: 20px;
            background: rgba(0, 0, 0, 0.9);
            padding: 10px;
            border-radius: 5px;
        }

        .main {
            padding: 40px 10px;
        }

        .wave-animation {
            height: 200px;
        }
    }

    @media (max-width: 480px) {
        .navbar {
            padding: 10px 15px;
        }

        .main {
            padding: 30px 5px;
        }

        .info-section {
            padding: 15px;
        }

        .info-section h3 {
            font-size: 18px;
        }

        .info-section p {
            font-size: 14px;
        }

        .example-data h2 {
            font-size: 20px;
        }

        .btn {
            padding: 8px 16px;
            font-size: 14px;
        }
    }

    @media (max-width: 320px) {
        .navbar {
            flex-direction: column;
            align-items: flex-start;
        }

        .navbar ul {
            flex-direction: column;
            width: 100%;
        }

        .main {
            padding: 20px 5px;
        }

        .wave-animation {
            height: 150px;
        }

        .example-data table, .example-data th, .example-data td {
            font-size: 12px;
        }

        .btn {
            padding: 6px 12px;
            font-size: 12px;
        }
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 30px;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 5px;
    }

    /* 提示信息 */
    .reference-note {
        position: fixed;
        bottom: 10px;
        right: 10px;
        background: rgba(0, 0, 0, 0.7);
        padding: 10px 15px;
        border-radius: 5px;
        font-size: 14px;
        color: #ffffff;
    }

    /* 代码块样式 */
    pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        color: #00ff00;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 间距与布局优化 */
    .content {
        max-width: 1200px;
        margin: 0 auto;
    }

    /* 表单和输入栏隐藏 */
    input, textarea {
        display: none;
    }