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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #000046, #1cb5e0);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.8);
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        transition: background 0.3s ease;
    }

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

    .navbar a {
        color: #ffffff;
        text-decoration: none;
        margin-left: 20px;
        font-size: 16px;
        transition: color 0.3s ease, transform 0.3s ease;
        rel: "nofollow";
    }

    .navbar a:hover {
        color: #39ff14;
        transform: scale(1.1);
    }

    /* 主页横幅 */
    .hero {
        height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center/cover;
        position: relative;
    }

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

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

    .hero h1 {
        font-size: 48px;
        text-shadow: 0 0 10px #fff, 0 0 20px #39ff14;
        margin-bottom: 20px;
        background: linear-gradient(45deg, #39ff14, #1cb5e0);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .hero p {
        font-size: 18px;
        max-width: 600px;
    }

    .cta-button {
        margin-top: 30px;
        padding: 15px 30px;
        background-color: #39ff14;
        color: #000000;
        border: none;
        border-radius: 5px;
        font-size: 16px;
        cursor: pointer;
        transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .cta-button:hover {
        transform: scale(1.1);
        background-color: #1cb5e0;
    }

    /* 内容区域 */
    .content {
        padding: 100px 20px;
        background: linear-gradient(135deg, #1cb5e0, #000046);
    }

    .section {
        margin-bottom: 80px;
    }

    .section h2 {
        font-size: 36px;
        margin-bottom: 20px;
        text-align: center;
        color: #ffffff;
    }

    .section p {
        font-size: 18px;
        max-width: 800px;
        margin: 0 auto 20px auto;
    }

    .section img {
        display: block;
        margin: 40px auto;
        width: 320px;
        height: 320px;
        border-radius: 10px;
    }

    /* 示例展示 */
    .example-display {
        background: rgba(255, 255, 255, 0.1);
        padding: 40px;
        border-radius: 10px;
        max-width: 1000px;
        margin: 0 auto 80px auto;
    }

    .example-display h2 {
        font-size: 28px;
        margin-bottom: 20px;
        text-align: center;
        color: #39ff14;
    }

    .example-display article {
        margin-bottom: 20px;
    }

    .example-display pre {
        background: #1c1c1c;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    .example-display code {
        color: #ffffff;
        font-family: 'Courier New', Courier, monospace;
        font-size: 14px;
    }

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

    table, th, td {
        border: 1px solid #39ff14;
    }

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

    th {
        background-color: #39ff14;
        color: #000000;
    }

    /* 提示信息 */
    .hint {
        text-align: center;
        font-size: 16px;
        color: #ffcc00;
        margin-bottom: 40px;
    }

    /* 页脚 */
    .footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.8);
        color: #ffffff;
        position: relative;
    }

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

        .hero p {
            font-size: 17px;
        }

        .section h2 {
            font-size: 32px;
        }

        .example-display h2 {
            font-size: 24px;
        }
    }

    @media (max-width: 1200px) {
        .hero h1 {
            font-size: 36px;
        }

        .cta-button {
            padding: 12px 25px;
            font-size: 15px;
        }
    }

    @media (max-width: 1024px) {
        .content {
            padding: 80px 15px;
        }

        .section h2 {
            font-size: 28px;
        }

        .section p {
            font-size: 16px;
        }
    }

    @media (max-width: 768px) {
        .hero h1 {
            font-size: 30px;
        }

        .hero p {
            font-size: 16px;
        }

        .section h2 {
            font-size: 24px;
        }

        .cta-button {
            padding: 10px 20px;
            font-size: 14px;
        }

        table, th, td {
            font-size: 14px;
        }
    }

    @media (max-width: 480px) {
        .hero h1 {
            font-size: 24px;
        }

        .hero p {
            font-size: 14px;
        }

        .section h2 {
            font-size: 20px;
        }

        .cta-button {
            padding: 8px 16px;
            font-size: 13px;
        }

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

    @media (max-width: 320px) {
        .hero h1 {
            font-size: 20px;
        }

        .hero p {
            font-size: 12px;
        }

        .section h2 {
            font-size: 18px;
        }

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

        table, th, td {
            font-size: 10px;
        }
    }