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

    /* 全局字体与背景 */
    body {
        font-family: 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #0F204E, #652CDF);
        color: #FFFFFF;
        line-height: 1.6;
        overflow-x: hidden;
    }

    /* 容器设置 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 60px 0;
    }

    /* 头部样式 */
    header {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(15, 32, 78, 0.9);
        padding: 20px 0;
        z-index: 1000;
        transition: background 0.3s ease;
    }

    header.scrolled {
        background: rgba(15, 32, 78, 1);
    }

    .logo {
        font-family: 'Montserrat', sans-serif;
        font-size: 24px;
        font-weight: bold;
        color: #32CD32;
        text-transform: uppercase;
    }

    nav {
        float: right;
    }

    nav ul {
        list-style: none;
        display: flex;
    }

    nav ul li {
        margin-left: 20px;
    }

    nav ul li a {
        color: #FFFFFF;
        text-decoration: none;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    nav ul li a:hover {
        color: #FFA500;
    }

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

    .hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(15, 32, 78, 0.6);
    }

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

    .hero h1 {
        font-family: 'Roboto Slab', serif;
        font-size: 48px;
        margin-bottom: 20px;
        animation: fadeInText 2s ease-in-out;
    }

    .hero p {
        font-size: 18px;
        margin-bottom: 30px;
    }

    .cta-button {
        background-color: #32CD32;
        border: none;
        padding: 15px 30px;
        border-radius: 30px;
        color: #FFFFFF;
        font-size: 16px;
        cursor: pointer;
        transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .cta-button:hover {
        transform: scale(1.05);
        background-color: #FFA500;
    }

    /* 关键视觉元素 */
    .key-visual {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 60px 0;
        background: #0F204E;
    }

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

    .key-visual img:hover {
        transform: scale(1.05);
    }

    .key-visual-text {
        max-width: 600px;
    }

    .key-visual-text h2 {
        font-family: 'Montserrat', sans-serif;
        font-size: 32px;
        margin-bottom: 20px;
        color: #32CD32;
    }

    .key-visual-text p {
        font-size: 18px;
        margin-bottom: 20px;
    }

    /* 示例数据展示 */
    .example-data {
        padding: 60px 0;
        background: linear-gradient(135deg, #652CDF, #0F204E);
    }

    .example-data h2 {
        text-align: center;
        font-family: 'Roboto Slab', serif;
        font-size: 36px;
        margin-bottom: 40px;
        color: #32CD32;
    }

    .article-content {
        background: rgba(217, 217, 217, 0.1);
        padding: 40px;
        border-radius: 10px;
        color: #FFFFFF;
    }

    .article-content h2, .article-content h3, .article-content h4 {
        color: #32CD32;
    }

    .article-content pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .article-content code {
        color: #32CD32;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 动画效果 */
    @keyframes fadeInText {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    /* 网格布局 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-top: 40px;
    }

    .grid-item {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        text-align: center;
        transition: transform 0.3s ease;
    }

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

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

    table, th, td {
        border: 1px solid #32CD32;
    }

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

    th {
        background: #32CD32;
        color: #0F204E;
    }

    /* 底部样式 */
    footer {
        background: rgba(15, 32, 78, 0.9);
        padding: 20px 0;
        text-align: center;
        color: #FFFFFF;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .hero h1 {
            font-size: 42px;
        }
        .key-visual-text h2 {
            font-size: 28px;
        }
    }

    @media (max-width: 1200px) {
        .hero h1 {
            font-size: 36px;
        }
        nav ul {
            flex-direction: column;
            align-items: center;
        }
        nav ul li {
            margin: 10px 0;
        }
    }

    @media (max-width: 1024px) {
        .key-visual {
            flex-direction: column;
            text-align: center;
        }
        .key-visual img {
            max-width: 100%;
            margin-bottom: 20px;
        }
    }

    @media (max-width: 768px) {
        .hero h1 {
            font-size: 28px;
        }
        .key-visual-text h2 {
            font-size: 24px;
        }
        .cta-button {
            padding: 10px 20px;
            font-size: 14px;
        }
    }

    @media (max-width: 480px) {
        .hero {
            height: 80vh;
        }
        nav ul {
            display: none;
        }
    }

    @media (max-width: 320px) {
        .hero h1 {
            font-size: 24px;
        }
        .key-visual-text h2 {
            font-size: 20px;
        }
    }