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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #2c3e50, #34495e);
        color: #ecf0f1;
        line-height: 1.6;
    }

    a {
        color: #ecf0f1;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #2ecc71;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(44, 62, 80, 0.9);
        padding: 20px 50px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
    }

    .navbar .logo {
        font-size: 24px;
        font-weight: 700;
    }

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

    .navbar ul li {
        margin-left: 20px;
    }

    .navbar ul li a {
        font-size: 16px;
        font-weight: 500;
    }

    /* Hero Banner */
    .hero {
        height: 100vh;
        background: radial-gradient(circle, rgba(255,87,34,1) 0%, transparent 70%);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        animation: aurora-move 15s linear infinite;
        padding: 0 20px;
    }

    .hero h1 {
        font-size: 48px;
        margin-bottom: 20px;
        color: #ecf0f1;
    }

    .hero p {
        font-size: 20px;
        max-width: 600px;
    }

    /* 主要内容区 */
    .content {
        padding: 100px 50px;
        background: linear-gradient(135deg, #34495e, #2c3e50);
    }

    .section {
        margin-bottom: 50px;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
    }

    .section img {
        width: 320px;
        height: 320px;
        object-fit: cover;
        border-radius: 10px;
        margin-right: 30px;
    }

    .section .text {
        flex: 1;
        min-width: 250px;
    }

    .section h2 {
        font-size: 28px;
        margin-bottom: 10px;
        color: #2ecc71;
    }

    .section p {
        font-size: 16px;
        color: #bdc3c7;
    }

    /* 示例展示 */
    .example-display {
        padding: 100px 50px;
        background: linear-gradient(135deg, #2c3e50, #34495e);
    }

    .example-display h2 {
        font-size: 32px;
        margin-bottom: 20px;
        text-align: center;
        color: #e74c3c;
    }

    .example-display article {
        background: rgba(236, 240, 241, 0.1);
        padding: 20px;
        border-radius: 10px;
    }

    .example-display pre {
        background: #1abc9c;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .example-display code {
        color: #2c3e50;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 提示文字 */
    .reference-note {
        text-align: center;
        font-size: 18px;
        margin: 40px 0;
        color: #95a5a6;
    }

    /* 页脚 */
    .footer {
        background: rgba(44, 62, 80, 0.9);
        padding: 20px 50px;
        text-align: center;
        color: #ecf0f1;
    }

    /* 动画 */
    @keyframes aurora-move {
        0% { background: radial-gradient(circle, rgb(255, 87, 34), transparent); }
        50% { background: radial-gradient(circle, rgb(255, 140, 0), transparent); }
        100% { background: radial-gradient(circle, rgb(255, 87, 34), transparent); }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .navbar {
            padding: 15px 40px;
        }

        .hero h1 {
            font-size: 42px;
        }

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

        .section {
            flex-direction: column;
            text-align: center;
        }

        .section img {
            margin: 0 0 20px 0;
        }
    }

    @media (max-width: 1200px) {
        .navbar ul li {
            margin-left: 15px;
        }

        .hero h1 {
            font-size: 36px;
        }

        .content {
            padding: 80px 30px;
        }
    }

    @media (max-width: 1024px) {
        .navbar {
            padding: 10px 20px;
        }

        .hero h1 {
            font-size: 30px;
        }

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

        .section img {
            width: 280px;
            height: 280px;
        }
    }

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

        .hero h1 {
            font-size: 28px;
        }

        .section img {
            width: 240px;
            height: 240px;
        }

        .content, .example-display {
            padding: 60px 20px;
        }
    }

    @media (max-width: 480px) {
        .hero h1 {
            font-size: 24px;
        }

        .section img {
            width: 200px;
            height: 200px;
        }

        .example-display h2 {
            font-size: 28px;
        }
    }

    @media (max-width: 320px) {
        .hero h1 {
            font-size: 20px;
        }

        .section img {
            width: 160px;
            height: 160px;
        }

        .example-display h2 {
            font-size: 24px;
        }
    }