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

    /* 引入字体 */
    @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');

    body {
        font-family: 'Montserrat', sans-serif;
        background: linear-gradient(135deg, #00264d, #7e3dd8, #3ebf83);
        background-size: 400% 400%;
        animation: gradient-animation 15s ease infinite;
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

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

    header {
        text-align: center;
        padding: 50px 0;
    }

    header h1 {
        font-size: 3rem;
        background: linear-gradient(to right, #00bcd4, #ffeb3b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 20px;
    }

    header p {
        font-size: 1.2rem;
        color: #dddddd;
    }

    main {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 15px;
    }

    section {
        margin-bottom: 40px;
    }

    h2, h3, h4 {
        color: #ffffff;
        margin-bottom: 15px;
    }

    h2 {
        font-size: 2.5rem;
        border-bottom: 2px solid #7e3dd8;
        padding-bottom: 10px;
    }

    h3 {
        font-size: 1.8rem;
    }

    h4 {
        font-size: 1.5rem;
    }

    p {
        margin-bottom: 20px;
        color: #cccccc;
    }

    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

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

    .highlight {
        color: #ff9800;
        font-weight: bold;
    }

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

    table, th, td {
        border: 1px solid #7e3dd8;
    }

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

    th {
        background: rgba(126, 61, 216, 0.7);
    }

    .card-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }

    .card {
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    }

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

    .card h4 {
        margin-bottom: 10px;
    }

    .button {
        display: inline-block;
        padding: 10px 20px;
        background: #ff9800;
        color: #ffffff;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: background 0.3s ease, transform 0.3s ease;
        text-decoration: none;
        font-weight: bold;
    }

    .button:hover {
        background: #03a9f4;
        transform: scale(1.05);
    }

    footer {
        text-align: center;
        padding: 30px 0;
        color: #dddddd;
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        font-size: 0.9rem;
    }

    /* 图片样式 */
    img {
        max-width: 100%;
        height: auto;
        border-radius: 10px;
    }

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

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background-color: rgba(126, 61, 216, 0.8);
        color: #ffffff;
    }

    td {
        background-color: rgba(255, 255, 255, 0.05);
        color: #cccccc;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        body {
            padding: 15px;
        }

        header h1 {
            font-size: 2.5rem;
        }

        h2 {
            font-size: 2rem;
        }

        h3 {
            font-size: 1.6rem;
        }

        h4 {
            font-size: 1.3rem;
        }
    }

    @media (max-width: 1200px) {
        main {
            padding: 15px;
        }

        .card-container {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        header h1 {
            font-size: 2.2rem;
        }

        h2 {
            font-size: 1.8rem;
        }

        .card {
            padding: 15px;
        }
    }

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

        h2 {
            font-size: 1.6rem;
        }

        .card-container {
            grid-template-columns: 1fr;
        }
    }

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

        h2 {
            font-size: 1.4rem;
        }

        h3 {
            font-size: 1.4rem;
        }

        h4 {
            font-size: 1.2rem;
        }

        .button {
            padding: 8px 16px;
            font-size: 0.9rem;
        }
    }

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

        h2 {
            font-size: 1.2rem;
        }

        .button {
            padding: 6px 12px;
            font-size: 0.8rem;
        }
    }