/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
        color: #ffffff;
        overflow-x: hidden;
    }

    /* 容器 */
    .container {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        padding: 20px;
        box-sizing: border-box;
    }

    /* 侧边栏 */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 220px;
        height: 100%;
        background: rgba(0, 0, 0, 0.8);
        padding: 20px;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }

    .sidebar a {
        color: #0ff;
        text-decoration: none;
        margin: 10px 0;
        transition: color 0.3s;
    }

    .sidebar a:hover {
        color: #ff00e6;
    }

    /* 主内容区域 */
    .main-content {
        margin-left: 240px;
        padding: 20px;
        flex: 1;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        box-shadow: 0 0 10px rgba(0,0,0,0.5);
    }

    /* 标题 */
    h1, h2, h3, h4 {
        font-family: 'Exo', sans-serif;
        color: #ff6ec7;
        text-shadow: 0 0 5px #ff6ec7, 0 0 10px #ff6ec7;
    }

    /* 链接 */
    a {
        color: #0ff;
        text-decoration: none;
    }

    a[rel="nofollow"] {
        /* 无样式覆盖 */
    }

    /* 代码块 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
    }

    code {
        color: #f1c40f;
    }

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

    table, th, td {
        border: 1px solid #0ff;
    }

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

    th {
        background: rgba(255, 255, 255, 0.2);
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .images img {
        width: 100%;
        max-width: 320px;
        border-radius: 5px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .sidebar {
            width: 200px;
        }

        .main-content {
            margin-left: 220px;
        }
    }

    @media (max-width: 1200px) {
        .sidebar {
            width: 180px;
        }

        .main-content {
            margin-left: 200px;
        }
    }

    @media (max-width: 1024px) {
        .sidebar {
            display: none;
        }

        .main-content {
            margin-left: 0;
        }
    }

    @media (max-width: 768px) {
        .images {
            flex-direction: column;
            align-items: center;
        }

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

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

        h2 {
            font-size: 1.3em;
        }

        pre {
            font-size: 0.9em;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.2em;
        }

        h2 {
            font-size: 1em;
        }

        pre {
            font-size: 0.8em;
        }
    }

    /* 动画效果 */
    .button {
        background-color: #8f00ff;
        color: white;
        border: none;
        padding: 10px 20px;
        transition: all 0.3s ease;
        cursor: pointer;
        border-radius: 5px;
        font-family: 'Exo', sans-serif;
    }

    .button:hover {
        background-color: #ff00e6;
        transform: scale(1.1);
    }

    .parallax {
        height: 100vh;
        background-image: url('https://images.gptkong.com/demo/sample4.png');
        background-attachment: fixed;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }

    .particle {
        position: absolute;
        width: 10px;
        height: 10px;
        background-color: #fff;
        border-radius: 50%;
        animation: float 5s infinite ease-in-out;
    }

    @keyframes float {
        0% { transform: translateY(0); opacity: 0; }
        50% { opacity: 1; }
        100% { transform: translateY(-200px); opacity: 0; }
    }

    /* 提示语 */
    .reference {
        position: fixed;
        bottom: 10px;
        right: 10px;
        background: rgba(0,0,0,0.6);
        padding: 5px 10px;
        border-radius: 5px;
        font-size: 0.9em;
        color: #fff;
    }