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

    body {
        font-family: 'Roboto', sans-serif;
        color: #ffffff;
        background: linear-gradient(135deg, #0F2027, #203A43, #2C5364);
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: #00ff99;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #00cc66;
    }

    /* 导航栏样式 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(20, 20, 20, 0.8);
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        backdrop-filter: blur(10px);
    }

    .navbar .logo {
        font-size: 1.5rem;
        font-weight: bold;
        color: #00ff99;
    }

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

    .navbar ul li {
        position: relative;
    }

    .navbar ul li::after {
        content: '';
        width: 0%;
        height: 2px;
        background: #00ff99;
        position: absolute;
        left: 0;
        bottom: -5px;
        transition: width 0.3s;
    }

    .navbar ul li:hover::after {
        width: 100%;
    }

    /* 主轮播区域 */
    .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;
        animation: aurora-move 15s linear infinite;
    }

    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255,87,34,0.3), transparent);
        z-index: 1;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 3rem;
        margin-bottom: 20px;
        color: #ffffff;
        text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
    }

    .hero-content p {
        font-size: 1.2rem;
        margin-bottom: 30px;
    }

    .hero-content .cta-button {
        background-color: #00ff99;
        padding: 15px 30px;
        border: none;
        border-radius: 25px;
        color: #000;
        font-size: 1rem;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .hero-content .cta-button:hover {
        background-color: #00cc66;
        transform: scale(1.05);
    }

    /* 核心模块样式 */
    .section {
        padding: 100px 50px;
        background: rgba(0, 0, 0, 0.7);
    }

    .section:nth-child(even) {
        background: rgba(20, 20, 20, 0.8);
    }

    .section h2 {
        text-align: center;
        margin-bottom: 50px;
        font-size: 2.5rem;
        color: #00ff99;
        position: relative;
    }

    .section h2::after {
        content: '';
        width: 50px;
        height: 3px;
        background: #00ff99;
        display: block;
        margin: 10px auto 0;
    }

    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 30px;
    }

    .grid-item {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 15px;
        transition: transform 0.3s, background 0.3s;
    }

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

    .grid-item img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .grid-item h3 {
        margin-bottom: 10px;
        font-size: 1.5rem;
        color: #ffffff;
    }

    .grid-item p {
        font-size: 1rem;
        color: #dddddd;
    }

    /* 示例展示样式 */
    .sample-article {
        padding: 50px;
        background: rgba(30, 30, 30, 0.9);
        border-radius: 10px;
        margin: 50px auto;
        max-width: 800px;
    }

    .sample-article h2, .sample-article h3 {
        color: #00cc66;
        margin-bottom: 20px;
    }

    .sample-article p {
        margin-bottom: 15px;
        line-height: 1.8;
    }

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

    .sample-article code {
        color: #00ff99;
        font-family: 'Courier New', Courier, monospace;
    }

    .sample-article table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    .sample-article table, .sample-article th, .sample-article td {
        border: 1px solid #444444;
    }

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

    .sample-article th {
        background: #00ff99;
        color: #000000;
    }

    /* 底部样式 */
    footer {
        padding: 30px;
        background: rgba(20, 20, 20, 0.9);
        text-align: center;
        color: #aaaaaa;
    }

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

        .section {
            padding: 80px 30px;
        }

        .grid-container {
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        }
    }

    @media (max-width: 1200px) {
        .navbar {
            padding: 10px 20px;
        }

        .navbar .logo {
            font-size: 1.2rem;
        }

        .navbar ul {
            gap: 15px;
        }

        .hero-content h1 {
            font-size: 2rem;
        }

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

        .section {
            padding: 60px 20px;
        }

        .sample-article {
            padding: 30px;
            max-width: 700px;
        }
    }

    @media (max-width: 1024px) {
        .grid-container {
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        }

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

        .section h2 {
            font-size: 2rem;
        }
    }

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

        .hero-content h1 {
            font-size: 1.5rem;
        }

        .section {
            padding: 40px 15px;
        }

        .grid-container {
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        }

        .sample-article {
            padding: 20px;
            max-width: 100%;
        }
    }

    @media (max-width: 480px) {
        .hero-content h1 {
            font-size: 1.2rem;
        }

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

        .section h2 {
            font-size: 1.8rem;
        }

        .grid-container {
            grid-template-columns: 1fr;
        }

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

    @media (max-width: 320px) {
        .hero-content h1 {
            font-size: 1rem;
        }

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

        .section h2 {
            font-size: 1.5rem;
        }
    }