/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: #000;
        color: #fff;
        overflow-x: hidden;
    }

    a {
        color: #1cb5e0;
        text-decoration: none;
    }

    a[rel="nofollow"] {
        /* 无需额外样式 */
    }

    /* 渐变背景 */
    .background {
        background: linear-gradient(135deg, #000046, #1cb5e0);
        min-height: 100vh;
        position: relative;
        overflow: hidden;
    }

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

    .navbar a {
        margin: 0 15px;
        color: #fff;
        font-family: 'Montserrat', sans-serif;
        transition: transform 0.3s, color 0.3s;
    }

    .navbar a:hover {
        transform: scale(1.1);
        color: #1cb5e0;
        text-shadow: 0 0 10px rgba(28, 181, 224, 0.7);
    }

    /* 主内容区 */
    .main-content {
        padding: 100px 50px;
        max-width: 1200px;
        margin: 0 auto;
    }

    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #fff;
        text-shadow: 0 0 5px rgba(255, 255, 255, 0.3);
    }

    h2 {
        margin-top: 60px;
        font-size: 2.5em;
    }

    h3 {
        margin-top: 40px;
        font-size: 2em;
    }

    p {
        line-height: 1.6;
        font-size: 1.1em;
        margin: 20px 0;
    }

    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #1cb5e0;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid #1cb5e0;
    }

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

    th {
        background: rgba(28, 181, 224, 0.2);
    }

    /* 按钮样式 */
    .button {
        display: inline-block;
        padding: 10px 20px;
        background: #1cb5e0;
        border: none;
        border-radius: 25px;
        color: #fff;
        cursor: pointer;
        transition: transform 0.3s, box-shadow 0.3s;
        position: relative;
        overflow: hidden;
    }

    .button::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: rgba(255, 255, 255, 0.2);
        opacity: 0;
        transition: opacity 0.3s;
    }

    .button:hover::after {
        opacity: 1;
    }

    .button:hover {
        transform: scale(1.05);
        box-shadow: 0 0 15px rgba(28, 181, 224, 0.7);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .main-content {
            padding: 80px 40px;
        }
    }

    @media (max-width: 1200px) {
        .main-content {
            padding: 60px 30px;
        }
    }

    @media (max-width: 1024px) {
        .navbar {
            padding: 15px 30px;
        }
    }

    @media (max-width: 768px) {
        .main-content {
            padding: 50px 20px;
        }

        h2 {
            font-size: 2em;
        }

        h3 {
            font-size: 1.75em;
        }

        p {
            font-size: 1em;
        }
    }

    @media (max-width: 480px) {
        .navbar a {
            margin: 0 10px;
            font-size: 0.9em;
        }

        .main-content {
            padding: 40px 15px;
        }
    }

    @media (max-width: 320px) {
        .navbar {
            flex-direction: column;
        }

        .main-content {
            padding: 30px 10px;
        }
    }

    /* 图像样式 */
    .image-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        margin: 40px 0;
    }

    .image-grid img {
        width: 100%;
        max-width: 320px;
        border-radius: 10px;
    }

    /* 提示信息 */
    .reference-note {
        text-align: center;
        margin: 50px 0;
        font-size: 1.2em;
        color: #1cb5e0;
        text-shadow: 0 0 5px rgba(28, 181, 224, 0.7);
    }

    /* 文章区块 */
    .article-section {
        background: rgba(28, 181, 224, 0.05);
        padding: 30px;
        border-radius: 10px;
        margin-bottom: 40px;
        transition: background 0.3s;
    }

    .article-section:hover {
        background: rgba(28, 181, 224, 0.1);
    }

    /* 代码块优化 */
    pre {
        background: rgba(255, 255, 255, 0.1);
        border-left: 5px solid #1cb5e0;
    }

    /* 滚动动画 */
    .fade-in {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 1s ease-out, transform 1s ease-out;
    }

    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }