/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        color: #333;
        background: linear-gradient(135deg, #87CEEB, #90EE90);
        transition: background 0.5s ease;
    }

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 头部样式 */
    header {
        background: rgba(255, 255, 255, 0.8);
        padding: 40px 20px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    header h1 {
        font-size: 2.5em;
        color: #4CAF50;
        margin-bottom: 20px;
    }

    header p {
        font-size: 1.2em;
        color: #555;
        margin-bottom: 30px;
    }

    .cta-button {
        background-color: #FF9800;
        color: white;
        padding: 15px 30px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        font-size: 1em;
        transition: transform 0.3s ease, background-color 0.3s ease;
        text-decoration: none;
    }

    .cta-button:hover {
        transform: scale(1.1);
        background-color: #FF5722;
    }

    /* 分屏布局 */
    .split-section {
        display: flex;
        flex-wrap: wrap;
        padding: 40px 0;
        align-items: center;
    }

    .left-column, .right-column {
        width: 50%;
        padding: 20px;
    }

    .left-column h2 {
        color: #4CAF50;
        margin-bottom: 20px;
    }

    .left-column p {
        color: #555;
        margin-bottom: 15px;
    }

    .right-column img {
        width: 100%;
        height: auto;
        border-radius: 10px;
    }

    /* 功能模块卡片 */
    .card-container {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin: 40px 0;
    }

    .card {
        background: rgba(255, 255, 255, 0.9);
        border-radius: 10px;
        flex: 1 1 calc(33.333% - 40px);
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 15px rgba(0,0,0,0.2);
    }

    .card img {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

    .card h3 {
        color: #4CAF50;
        margin-bottom: 10px;
    }

    .card p {
        color: #666;
    }

    /* 示例展示 */
    .example-section {
        background: rgba(240, 240, 240, 0.9);
        padding: 30px;
        border-radius: 10px;
        margin: 40px 0;
    }

    .example-section h2 {
        color: #FF9800;
        margin-bottom: 20px;
        text-align: center;
    }

    .example-section pre {
        background: #f5f5f5;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        color: #333;
    }

    .example-section code {
        font-family: 'Courier New', Courier, monospace;
        color: #d63384;
    }

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

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

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

    th {
        background-color: #4CAF50;
        color: white;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .card {
            flex: 1 1 calc(33.333% - 40px);
        }
    }

    @media (max-width: 1200px) {
        .card {
            flex: 1 1 calc(50% - 40px);
        }

        .split-section {
            flex-direction: column;
        }

        .left-column, .right-column {
            width: 100%;
        }
    }

    @media (max-width: 1024px) {
        header h1 {
            font-size: 2em;
        }

        .card {
            flex: 1 1 100%;
        }
    }

    @media (max-width: 768px) {
        .cta-button {
            padding: 10px 20px;
            font-size: 0.9em;
        }

        .card {
            padding: 15px;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.5em;
        }

        .cta-button {
            padding: 8px 16px;
            font-size: 0.8em;
        }
    }

    @media (max-width: 320px) {
        .card {
            flex: 1 1 100%;
        }

        header p, .left-column p {
            font-size: 1em;
        }
    }

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

    .animated-background {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    /* 提示语 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        color: #777;
        margin: 20px 0;
    }

    /* 图片响应 */
    .gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .gallery img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 5px;
    }