/* 基本样式 */
    body {
        margin: 0;
        padding: 0;
        background: linear-gradient(135deg, #1e1e1e, #3f007d, #00ff8f);
        color: #ffffff;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
    }

    /* 容器 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Orbitron', sans-serif;
        color: #00ff8f;
        text-shadow: 2px 2px 5px rgba(0, 255, 143, 0.5);
    }

    h2 {
        margin-top: 40px;
    }

    /* 段落样式 */
    p {
        font-size: 16px;
        color: #e0e0e0;
        margin-bottom: 20px;
    }

    /* 代码块样式 */
    pre {
        background-color: #282828;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        color: #4CAF50;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 强调样式 */
    .highlight {
        color: #4CAF50;
    }

    /* 列表样式 */
    ul {
        list-style: none;
        padding: 0;
    }

    ul li::before {
        content: "•";
        color: #00ff8f;
        display: inline-block; 
        width: 1em;
        margin-left: -1em;
    }

    /* 卡片样式 */
    .card {
        background-color: #282828;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
    }

    /* 按钮样式 */
    button {
        background-color: #1e1e1e;
        color: #fff;
        border: none;
        padding: 10px 20px;
        cursor: pointer;
        transition: all 0.3s ease;
        border-radius: 5px;
    }

    button:hover {
        background-color: #4CAF50;
        box-shadow: 0 4px 8px rgba(0, 255, 143, 0.5);
    }

    button:active {
        transform: translateY(2px);
    }

    /* 背景动画 */
    .background {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, #1e1e1e, #3f007d, #00ff8f);
        background-size: 400% 400%;
        animation: gradient 15s ease infinite;
        z-index: -1;
    }

    @keyframes gradient {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1024px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            max-width: 768px;
        }
    }

    @media (max-width: 1024px) {
        .container {
            max-width: 480px;
        }
    }

    @media (max-width: 768px) {
        .container {
            max-width: 320px;
            padding: 10px;
        }

        h1 {
            font-size: 24px;
        }

        h2 {
            font-size: 20px;
        }

        p, li {
            font-size: 14px;
        }
    }

    /* 图像样式 */
    .decorative-images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .decorative-images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 5px;
    }

    /* 样式参考提示 */
    .reference-note {
        text-align: center;
        font-size: 14px;
        color: #ff9800;
        margin: 20px 0;
    }