/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Inter', sans-serif;
        background: linear-gradient(135deg, #1e1e1e, #121212);
        color: #e0e0e0;
        line-height: 1.6;
    }

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

    a:hover {
        color: #1e90ff;
    }

    /* 导航栏样式 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(18, 18, 18, 0.9);
        backdrop-filter: blur(10px);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 30px;
        z-index: 1000;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    }

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

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

    .navbar ul li {
        position: relative;
    }

    /* 渐变按钮样式 */
    .btn-gradient {
        background: linear-gradient(to right, #1e90ff, #00bfff);
        color: #ffffff;
        border: none;
        padding: 10px 20px;
        cursor: pointer;
        border-radius: 5px;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .btn-gradient:hover {
        transform: scale(1.05);
        background: linear-gradient(to right, #00bfff, #1e90ff);
    }

    /* 头部横幅样式 */
    .hero {
        height: 100vh;
        background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center/cover;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        position: relative;
        animation: aurora-move 15s linear infinite;
    }

    .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255, 87, 34, 0.5), transparent);
        z-index: 1;
    }

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

    .hero h1 {
        font-size: 3em;
        margin-bottom: 20px;
        color: #ffffff;
    }

    .hero p {
        font-size: 1.2em;
        max-width: 600px;
        margin-bottom: 30px;
    }

    /* 主体内容样式 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 80px 20px 40px 20px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 40px;
    }

    @media (min-width: 768px) {
        .container {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (min-width: 1024px) {
        .container {
            grid-template-columns: 1fr 1fr 1fr;
        }
    }

    .card {
        background: rgba(30, 30, 30, 0.9);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
    }

    .card img {
        width: 100%;
        border-radius: 10px;
    }

    .card h3 {
        margin-top: 15px;
        font-size: 1.5em;
        color: #00bfff;
    }

    .card p {
        margin-top: 10px;
        font-size: 1em;
    }

    /* 示例展示样式 */
    .example-display {
        background: rgba(20, 20, 20, 0.95);
        padding: 40px;
        border-radius: 10px;
        position: relative;
    }

    .example-display::after {
        content: '这是一个网页样式设计参考';
        position: absolute;
        top: -20px;
        left: 20px;
        background: #1e90ff;
        color: #ffffff;
        padding: 5px 10px;
        border-radius: 5px;
        font-size: 0.9em;
    }

    .example-display h2 {
        color: #ffffff;
        margin-bottom: 20px;
    }

    .example-display pre {
        background: #2c2c2c;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .example-display code {
        color: #00ff90;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 响应式图像 */
    .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }

    .gallery img {
        width: 100%;
        border-radius: 8px;
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .fade-in {
        animation: fadeIn 2s ease-in-out;
    }

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

    table, th, td {
        border: 1px solid #444;
    }

    th, td {
        padding: 12px 15px;
        text-align: left;
    }

    th {
        background: #333;
        color: #00bfff;
    }

    tr:nth-child(even) {
        background: #2a2a2a;
    }

    /* 结尾样式 */
    footer {
        background: rgba(18, 18, 18, 0.9);
        padding: 20px;
        text-align: center;
        color: #777;
        position: relative;
    }

    footer p {
        margin: 0;
    }

    /* 隐藏滚动条 */
    ::-webkit-scrollbar {
        display: none;
    }

    /* 优化代码块 */
    pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }