/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        font-family: 'Roboto', sans-serif;
        color: #ffffff;
        line-height: 1.6;
        overflow-x: hidden;
    }

    /* 渐变背景动画 */
    @keyframes aurora-move {
        0% {
            background-position: 0% 50%;
        }
        50% {
            background-position: 100% 50%;
        }
        100% {
            background-position: 0% 50%;
        }
    }

    body {
        background: linear-gradient(-45deg, #1e3c72, #2a5298, #6a11cb, #2575fc);
        background-size: 400% 400%;
        animation: aurora-move 15s linear infinite;
    }

    /* 固定导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(10px);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 30px;
        z-index: 1000;
    }

    .navbar a {
        color: #ffffff;
        text-decoration: none;
        margin: 0 15px;
        font-family: 'Poppins', sans-serif;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #ff6f61;
    }

    /* 主要内容区域 */
    .container {
        max-width: 1200px;
        margin: 100px auto 50px auto;
        padding: 20px;
    }

    /* 文章样式 */
    article {
        background: rgba(0, 0, 0, 0.5);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
    }

    article h2, article h3 {
        font-family: 'Poppins', sans-serif;
        color: #ff6f61;
        margin-bottom: 20px;
    }

    article h2 {
        font-size: 2.5em;
        text-align: center;
        margin-top: 0;
    }

    article h3 {
        font-size: 1.8em;
        margin-top: 40px;
    }

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

    article pre {
        background: #2a5298;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    article code {
        font-family: 'Courier New', Courier, monospace;
        color: #ffeb3b;
    }

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

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

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

    article th {
        background: #6a11cb;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background-color: #6a11cb;
        color: #ffffff;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .btn:hover {
        background-color: #2575fc;
        transform: scale(1.05);
    }

    .btn::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        opacity: 0;
        transition: all 0.3s ease;
    }

    .btn:hover::after {
        width: 200%;
        height: 200%;
        opacity: 1;
    }

    /* 图片样式 */
    .decorative-images {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        margin-top: 30px;
    }

    .decorative-images img {
        width: 150px;
        height: 150px;
        object-fit: cover;
        border-radius: 10px;
    }

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        margin-top: 40px;
        font-size: 1.2em;
        color: #ffeb3b;
        font-family: 'Poppins', sans-serif;
    }

    /* 代码块样式 */
    .code-block {
        background: #1e3c72;
        padding: 20px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    .code-block code {
        font-family: 'Courier New', Courier, monospace;
        color: #ffeb3b;
        font-size: 0.95em;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1100px;
        }

        article h2 {
            font-size: 2.2em;
        }

        article h3 {
            font-size: 1.6em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            max-width: 1000px;
        }

        article h2 {
            font-size: 2em;
        }

        article h3 {
            font-size: 1.5em;
        }
    }

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

        .navbar {
            padding: 10px 20px;
        }

        article {
            padding: 25px;
        }

        .decorative-images img {
            width: 120px;
            height: 120px;
        }
    }

    @media (max-width: 768px) {
        .navbar a {
            margin: 0 10px;
            font-size: 0.9em;
        }

        article h2 {
            font-size: 1.8em;
        }

        article h3 {
            font-size: 1.3em;
        }

        .decorative-images img {
            width: 100px;
            height: 100px;
        }
    }

    @media (max-width: 480px) {
        .navbar {
            flex-direction: column;
            align-items: flex-start;
        }

        .navbar a {
            margin: 5px 0;
            font-size: 0.8em;
        }

        .container {
            margin-top: 120px;
        }

        article h2 {
            font-size: 1.6em;
        }

        article h3 {
            font-size: 1.2em;
        }

        .decorative-images img {
            width: 80px;
            height: 80px;
        }
    }

    @media (max-width: 320px) {
        .navbar {
            padding: 8px 15px;
        }

        .navbar a {
            margin: 3px 0;
            font-size: 0.7em;
        }

        .container {
            margin-top: 140px;
            padding: 10px;
        }

        article h2 {
            font-size: 1.4em;
        }

        article h3 {
            font-size: 1.1em;
        }

        .decorative-images img {
            width: 70px;
            height: 70px;
        }
    }

    /* 表格响应式 */
    @media (max-width: 768px) {
        article table, article th, article td {
            font-size: 0.9em;
        }
    }

    @media (max-width: 480px) {
        article table, article th, article td {
            font-size: 0.8em;
        }
    }