/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Open Sans', sans-serif;
        line-height: 1.6;
        color: #ffffff;
        background: linear-gradient(135deg, #00008B, #8A2BE2);
        background-attachment: fixed;
        background-size: cover;
        overflow-x: hidden;
    }

    a {
        color: #ADD8E6;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #39FF14;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
    }

    .navbar .logo {
        font-family: 'Roboto Mono', monospace;
        font-size: 1.5rem;
        color: #39FF14;
    }

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

    .navbar ul li {
        margin-left: 20px;
    }

    .navbar ul li a {
        font-size: 1rem;
        color: #ffffff;
    }

    /* 主视觉区域 */
    .hero {
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        text-align: center;
        padding: 0 20px;
    }

    .hero::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample1.png') center center / cover no-repeat;
        opacity: 0.3;
    }

    .hero h1 {
        font-family: 'Roboto Mono', monospace;
        font-size: 3rem;
        color: #39FF14;
        z-index: 1;
    }

    .hero p {
        margin-top: 20px;
        font-size: 1.2rem;
        z-index: 1;
    }

    /* 模块化布局 */
    .module {
        padding: 80px 20px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
    }

    .module:nth-child(even) {
        flex-direction: row-reverse;
        background: rgba(0, 0, 0, 0.5);
    }

    .module img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        margin: 20px;
    }

    .module-content {
        flex: 1;
        padding: 20px;
    }

    .module-content h2 {
        font-family: 'Roboto Mono', monospace;
        font-size: 2rem;
        color: #39FF14;
        margin-bottom: 20px;
    }

    .module-content p {
        font-size: 1rem;
        color: #ffffff;
    }

    /* 示例数据展示 */
    .sample-data {
        background: rgba(255, 255, 255, 0.1);
        padding: 40px 20px;
        margin: 40px 0;
        border-radius: 10px;
    }

    .sample-data h2 {
        font-family: 'Roboto Mono', monospace;
        font-size: 2rem;
        color: #39FF14;
        margin-bottom: 20px;
        text-align: center;
    }

    .sample-data pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .sample-data code {
        color: #39FF14;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 提示信息 */
    .reference-note {
        text-align: center;
        font-size: 1rem;
        color: #ADD8E6;
        margin: 20px 0;
    }

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

        .hero p {
            font-size: 1rem;
        }
    }

    @media (max-width: 1200px) {
        .module {
            padding: 60px 15px;
        }

        .module-content h2 {
            font-size: 1.8rem;
        }

        .module-content p {
            font-size: 0.95rem;
        }
    }

    @media (max-width: 1024px) {
        .navbar ul li {
            margin-left: 15px;
        }

        .hero h1 {
            font-size: 2.2rem;
        }

        .module img {
            max-width: 280px;
        }
    }

    @media (max-width: 768px) {
        .navbar {
            flex-direction: column;
            padding: 15px;
        }

        .navbar ul {
            flex-direction: column;
            margin-top: 10px;
        }

        .navbar ul li {
            margin: 10px 0;
        }

        .hero h1 {
            font-size: 1.8rem;
        }

        .module {
            flex-direction: column;
            padding: 40px 10px;
        }

        .module img {
            max-width: 100%;
        }
    }

    @media (max-width: 480px) {
        .hero h1 {
            font-size: 1.5rem;
        }

        .hero p {
            font-size: 0.9rem;
        }

        .module-content h2 {
            font-size: 1.5rem;
        }

        .module-content p {
            font-size: 0.85rem;
        }
    }

    @media (max-width: 320px) {
        .navbar .logo {
            font-size: 1.2rem;
        }

        .navbar ul li a {
            font-size: 0.9rem;
        }

        .hero h1 {
            font-size: 1.2rem;
        }

        .hero p {
            font-size: 0.8rem;
        }
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        margin-top: 20px;
        background: #39FF14;
        color: #000000;
        border-radius: 5px;
        font-weight: bold;
        transition: background 0.3s ease;
    }

    .btn:hover {
        background: #32CD32;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid #ADD8E6;
    }

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

    th {
        background: #8A2BE2;
    }

    td {
        background: rgba(255, 255, 255, 0.1);
    }