/* 基本样式重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        font-family: 'Roboto', sans-serif;
        color: #C0C0C0;
        background: linear-gradient(135deg, #0D0D0D, #1A1A1A);
        line-height: 1.6;
    }
    a {
        color: #A020F0;
        text-decoration: none;
        transition: color 0.3s ease;
    }
    a:hover {
        color: #0074FF;
    }
    header {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(13, 13, 13, 0.8);
        padding: 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
    }
    header .logo {
        font-size: 24px;
        color: #0074FF;
    }
    nav ul {
        list-style: none;
        display: flex;
    }
    nav ul li {
        margin-left: 20px;
    }
    .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;
    }
    .hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(13, 13, 13, 0.6);
        backdrop-filter: blur(10px);
    }
    .hero-content {
        position: relative;
        text-align: center;
        color: #fff;
        z-index: 1;
    }
    .hero-content h1 {
        font-size: 48px;
        margin-bottom: 20px;
        color: #A020F0;
    }
    .hero-content p {
        font-size: 18px;
        max-width: 600px;
        margin: 0 auto 30px;
    }
    .hero-content a {
        padding: 10px 20px;
        background: #0074FF;
        border-radius: 5px;
        transition: transform 0.3s ease, background 0.3s ease;
    }
    .hero-content a:hover {
        transform: scale(1.05);
        background: #A020F0;
    }
    .section {
        padding: 100px 20px;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 40px;
    }
    .section:nth-child(even) {
        background: rgba(10, 116, 218, 0.1);
    }
    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: transform 0.3s ease;
    }
    .card:hover {
        transform: translateY(-10px);
    }
    .card img {
        width: 100%;
        border-radius: 5px;
    }
    .card h3 {
        margin: 15px 0;
        color: #0074FF;
    }
    .card p {
        font-size: 16px;
    }
    .example-data {
        padding: 50px 20px;
        background: linear-gradient(135deg, #1A1A1A, #2E2E2E);
        color: #C0C0C0;
    }
    .example-data h2 {
        text-align: center;
        margin-bottom: 30px;
        color: #A020F0;
    }
    .example-data pre {
        background: #0D0D0D;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }
    .example-data table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }
    .example-data table, .example-data th, .example-data td {
        border: 1px solid #555;
    }
    .example-data th, .example-data td {
        padding: 10px;
        text-align: left;
    }
    footer {
        padding: 40px 20px;
        background: rgba(13, 13, 13, 0.9);
        text-align: center;
        color: #C0C0C0;
    }
    footer a {
        margin: 0 10px;
        color: #A020F0;
    }
    @media (max-width: 768px) {
        header {
            flex-direction: column;
        }
        nav ul {
            flex-direction: column;
            align-items: center;
        }
        nav ul li {
            margin: 10px 0;
        }
    }