/* 基本样式设置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #fff;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        margin-bottom: 30px;
    }

    header h1 {
        font-size: 2.5em;
        margin-bottom: 10px;
        color: #fff;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    header p {
        font-size: 1.2em;
        color: #ddd;
    }

    main {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }

    .card {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
    }

    h2, h3, h4 {
        color: #ffffff;
        margin-bottom: 15px;
        text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    }

    p {
        margin-bottom: 15px;
        color: #cccccc;
    }

    ul, ol {
        margin-left: 20px;
        margin-bottom: 15px;
        color: #cccccc;
    }

    li {
        margin-bottom: 10px;
    }

    pre {
        background: rgba(0, 0, 0, 0.6);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    code {
        color: #00ffcc;
        font-family: 'Courier New', Courier, monospace;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 15px;
    }

    th, td {
        border: 1px solid #555;
        padding: 10px;
        text-align: left;
    }

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

    tr:nth-child(even) {
        background: rgba(255, 255, 255, 0.1);
    }

    img {
        width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    /* 按钮样式 */
    a.button {
        display: inline-block;
        padding: 10px 20px;
        background: linear-gradient(45deg, #6a11cb, #2575fc);
        color: #fff;
        border-radius: 25px;
        text-decoration: none;
        transition: background 0.3s ease;
    }

    a.button:hover {
        background: linear-gradient(45deg, #2575fc, #6a11cb);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.2em;
        }
    }

    @media (max-width: 1200px) {
        main {
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        header {
            padding: 40px 15px;
        }

        h2 {
            font-size: 1.8em;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        main {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.8em;
        }

        h3 {
            font-size: 1.2em;
        }

        p, li {
            font-size: 0.9em;
        }

        pre {
            font-size: 0.8em;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.5em;
        }

        h3 {
            font-size: 1em;
        }

        p, li {
            font-size: 0.8em;
        }

        pre {
            font-size: 0.7em;
        }
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .animated-background {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    /* 代码块样式 */
    pre code {
        display: block;
        white-space: pre-wrap;
        word-wrap: break-word;
    }

    /* 提示语样式 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        color: #ffeb3b;
        margin-top: 30px;
        padding: 10px;
        border: 2px solid #ffeb3b;
        border-radius: 10px;
        background: rgba(0, 0, 0, 0.3);
    }