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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(to bottom, #0F2027, #000000);
        color: #FFFFFF;
        line-height: 1.6;
    }

    a {
        color: #3DDC84;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #6A0DAD;
    }

    /* 导航栏 */
    .navbar {
        width: 100%;
        padding: 20px 40px;
        position: fixed;
        top: 0;
        left: 0;
        background: rgba(15, 32, 39, 0.8);
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
    }

    .navbar-logo {
        font-family: 'Fira Sans', sans-serif;
        font-size: 24px;
        font-weight: bold;
        color: #FFFFFF;
    }

    .navbar-menu {
        display: flex;
        gap: 20px;
    }

    .navbar-menu a {
        font-size: 16px;
    }

    /* 英雄区 */
    .hero {
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
        background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center/cover;
        position: relative;
        padding-top: 80px;
    }

    .hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(15, 32, 39, 0.6);
    }

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

    .hero-title {
        font-family: 'Fira Sans', sans-serif;
        font-size: 48px;
        color: #FFFFFF;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        font-size: 24px;
        color: #C0C5CE;
    }

    /* 模块化布局 */
    .modules {
        padding: 60px 40px;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        background: linear-gradient(to bottom, #0F2027, #000000);
    }

    .module-card {
        background-color: rgba(192, 197, 206, 0.8);
        color: #0F2027;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .module-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 12px rgba(0,0,0,0.2);
    }

    .module-card img {
        width: 100%;
        border-radius: 4px;
        margin-bottom: 15px;
    }

    .module-title {
        font-family: 'Fira Sans', sans-serif;
        font-size: 20px;
        margin-bottom: 10px;
    }

    .module-description {
        font-size: 16px;
    }

    /* 示例数据展示 */
    .sample-data {
        padding: 60px 40px;
        background: linear-gradient(to bottom, #0F2027, #000000);
    }

    .sample-data h2 {
        font-family: 'Fira Sans', sans-serif;
        font-size: 32px;
        color: #3DDC84;
        margin-bottom: 20px;
        text-align: center;
    }

    .sample-article {
        max-width: 800px;
        margin: 0 auto;
        background-color: rgba(192, 197, 206, 0.8);
        padding: 20px;
        border-radius: 8px;
    }

    .sample-article h2, .sample-article h3, .sample-article h4 {
        font-family: 'Fira Sans', sans-serif;
        color: #0F2027;
    }

    .sample-article h2 {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .sample-article h3 {
        font-size: 22px;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    .sample-article h4 {
        font-size: 18px;
        margin-top: 15px;
        margin-bottom: 10px;
    }

    .sample-article p {
        font-size: 16px;
        margin-bottom: 15px;
        color: #0F2027;
    }

    .sample-article pre {
        background-color: #1e1e1e;
        color: #C0C5CE;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-size: 14px;
        margin-bottom: 15px;
    }

    .sample-article code {
        color: #C0C5CE;
        background-color: #333333;
        padding: 2px 4px;
        border-radius: 4px;
    }

    /* 底部 */
    .footer {
        padding: 40px;
        background: rgba(15, 32, 39, 0.9);
        text-align: center;
        color: #C0C5CE;
    }

    .footer a {
        margin: 0 10px;
        font-size: 16px;
    }

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

        .hero-subtitle {
            font-size: 20px;
        }
    }

    @media (max-width: 1200px) {
        .navbar {
            padding: 15px 30px;
        }

        .hero-title {
            font-size: 36px;
        }

        .hero-subtitle {
            font-size: 18px;
        }
    }

    @media (max-width: 1024px) {
        .modules {
            padding: 50px 20px;
        }

        .sample-data {
            padding: 50px 20px;
        }
    }

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

        .hero-title {
            font-size: 28px;
        }

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

        .module-card {
            padding: 15px;
        }

        .sample-article {
            padding: 15px;
        }
    }

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

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

        .module-card {
            padding: 10px;
        }

        .sample-article h2 {
            font-size: 24px;
        }

        .sample-article h3 {
            font-size: 20px;
        }

        .sample-article p, .sample-article pre {
            font-size: 14px;
        }
    }

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

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

        .module-card {
            padding: 8px;
        }

        .sample-article h2 {
            font-size: 20px;
        }

        .sample-article h3 {
            font-size: 18px;
        }

        .sample-article p, .sample-article pre {
            font-size: 12px;
        }
    }

    /* 动画效果 */
    .button {
        background-color: #3DDC84;
        color: #FFFFFF;
        padding: 10px 20px;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .button:hover {
        transform: scale(1.1);
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }

    /* 提示 */
    .reference-note {
        text-align: center;
        font-size: 14px;
        color: #FFFFFF;
        padding: 10px;
        background: rgba(0,0,0,0.5);
        position: fixed;
        bottom: 0;
        width: 100%;
    }