/* 引入Roboto字体 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0a1f44, #1f2a47);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    /* 头部样式 */
    header {
        text-align: center;
        padding: 50px 20px;
        background: radial-gradient(circle at top left, #ff7e5f, transparent);
        animation: aurora-move 15s linear infinite;
    }

    header h1 {
        font-size: 3em;
        font-weight: bold;
        text-transform: uppercase;
        margin-bottom: 20px;
        color: #ffffff;
        text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
    }

    header p {
        font-size: 1.2em;
        color: #f0f0f0;
    }

    /* 导航栏样式 */
    nav {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin: 30px 0;
    }

    nav a {
        color: #feb47b;
        text-decoration: none;
        font-size: 1em;
        transition: color 0.3s ease;
    }

    nav a:hover {
        color: #ff7e5f;
    }

    /* 主内容区样式 */
    main {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    }

    section {
        margin-bottom: 50px;
    }

    section h2 {
        font-size: 2em;
        margin-bottom: 20px;
        color: #ff7e5f;
        border-bottom: 2px solid #feb47b;
        padding-bottom: 10px;
    }

    section p {
        font-size: 1em;
        margin-bottom: 20px;
    }

    /* 示例展示区样式 */
    .example-display {
        background: linear-gradient(135deg, #1f2a47, #0a1f44);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    }

    .example-display h3 {
        font-size: 1.8em;
        margin-bottom: 15px;
        color: #feb47b;
        border-bottom: 1px solid #ff7e5f;
        padding-bottom: 5px;
    }

    /* 代码块样式 */
    pre {
        background: #2d2d2d;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #f8f8f2;
        display: block;
    }

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

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

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

    th {
        background: #ff7e5f;
        color: #ffffff;
    }

    /* 图片样式 */
    .gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
        margin-bottom: 20px;
    }

    .gallery img {
        width: 100%;
        max-width: 320px;
        border-radius: 5px;
        transition: transform 0.3s ease;
    }

    .gallery img:hover {
        transform: scale(1.05);
    }

    /* 按钮样式 */
    .btn {
        background: linear-gradient(90deg, #ff7e5f, #feb47b);
        border: none;
        padding: 10px 20px;
        font-size: 1em;
        cursor: pointer;
        color: #ffffff;
        border-radius: 5px;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .btn:hover {
        transform: scale(1.1);
        background: linear-gradient(90deg, #feb47b, #ff7e5f);
    }

    /* 标记设计参考区 */
    .design-reference {
        text-align: center;
        padding: 20px;
        background: rgba(255, 255, 255, 0.05);
        border: 2px dashed #feb47b;
        border-radius: 10px;
        font-size: 1.2em;
        color: #f0f0f0;
        margin-bottom: 30px;
    }

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

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.5em;
        }

        nav a {
            font-size: 0.9em;
        }

        section h2 {
            font-size: 1.8em;
        }
    }

    @media (max-width: 1200px) {
        main {
            padding: 15px;
        }

        .gallery {
            gap: 10px;
        }
    }

    @media (max-width: 1024px) {
        header {
            padding: 40px 20px;
        }

        section h2 {
            font-size: 1.6em;
        }

        .btn {
            font-size: 0.9em;
            padding: 8px 16px;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        nav {
            flex-direction: column;
            gap: 15px;
        }

        section h2 {
            font-size: 1.4em;
        }

        .gallery img {
            max-width: 100%;
        }
    }

    @media (max-width: 480px) {
        header {
            padding: 30px 10px;
        }

        header h1 {
            font-size: 1.8em;
        }

        nav a {
            font-size: 0.8em;
        }

        section h2 {
            font-size: 1.2em;
        }

        .btn {
            font-size: 0.8em;
            padding: 6px 12px;
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }

        header h1 {
            font-size: 1.5em;
        }

        section h2 {
            font-size: 1em;
        }

        .design-reference {
            font-size: 1em;
        }
    }