/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #ffffff;
    }

    h1, h2, h3, h4, h5, h6 {
        font-weight: bold;
        margin: 20px 0 10px 0;
        color: #ffffff;
    }

    p {
        font-weight: normal;
        line-height: 1.6;
        margin: 10px 0;
        color: #e0e0e0;
    }

    /* 容器布局 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 0;
    }

    /* 导航栏 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.5);
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
    }

    .navbar a {
        color: #ffffff;
        text-decoration: none;
        margin: 0 15px;
        transition: color 0.3s;
    }

    .navbar a:hover {
        color: #2ECC40;
    }

    /* 头部 */
    .header {
        text-align: center;
        padding: 150px 20px 50px 20px;
        background: radial-gradient(circle, rgba(255,87,34,0.5), transparent);
        animation: aurora-move 15s linear infinite;
    }

    .header h1 {
        font-size: 3em;
        margin-bottom: 20px;
    }

    .header p {
        font-size: 1.2em;
        max-width: 800px;
        margin: 0 auto;
    }

    /* 主体内容 */
    .content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        padding: 50px 0;
    }

    .module {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        backdrop-filter: blur(10px);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .module:hover {
        transform: translateY(-10px);
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }

    .module img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }

    .module h3 {
        margin-top: 15px;
        color: #7FDBFF;
    }

    .module p {
        color: #d0d0d0;
    }

    /* 示例文章 */
    .example-article {
        background: rgba(0, 0, 0, 0.6);
        padding: 30px;
        border-radius: 10px;
        margin: 50px 0;
        color: #ffffff;
    }

    .example-article h2 {
        color: #FF5733;
    }

    .example-article pre {
        background: #2a5298;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        color: #e0e0e0;
        font-family: 'Courier New', Courier, monospace;
    }

    .example-article code {
        color: #FFD700;
    }

    /* 底部 */
    .footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.5);
        color: #aaaaaa;
    }

    /* 按钮样式 */
    .button {
        background-color: #2ECC40;
        color: white;
        border: none;
        padding: 10px 20px;
        cursor: pointer;
        border-radius: 5px;
        transition: background-color 0.3s;
    }

    .button:hover {
        background-color: #28a745;
    }

    /* 动画 */
    @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: 480px) {
        .header h1 {
            font-size: 2em;
        }
        .header p {
            font-size: 1em;
        }
    }

    @media (min-width: 481px) and (max-width: 768px) {
        .header h1 {
            font-size: 2.5em;
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        .header h1 {
            font-size: 3em;
        }
    }

    @media (min-width: 1025px) and (max-width: 1200px) {
        .header h1 {
            font-size: 3.5em;
        }
    }

    @media (min-width: 1201px) {
        .header h1 {
            font-size: 4em;
        }
    }

    /* 链接设置 */
    a {
        text-decoration: none;
    }

    a[rel="nofollow"] {
        /* 无需特别样式 */
    }