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

    body {
        font-family: 'Lato', sans-serif;
        color: #ffffff;
        background: linear-gradient(to bottom, #0F4C81, #000000);
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: 'Roboto', sans-serif;
        color: #FFA500;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 2.5em;
        text-align: center;
        margin-top: 40px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    h2 {
        font-size: 2em;
        margin-top: 40px;
    }

    h3 {
        font-size: 1.5em;
        margin-top: 30px;
    }

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

    pre {
        background-color: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #FFA500;
    }

    ul {
        list-style-type: disc;
        margin-left: 20px;
        margin-bottom: 20px;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
    }

    /* 提示信息样式 */
    .notification {
        background-color: rgba(255, 165, 0, 0.2);
        padding: 10px 20px;
        border-left: 5px solid #FFA500;
        margin-bottom: 30px;
        border-radius: 3px;
        font-size: 1.1em;
        text-align: center;
    }

    /* 卡片容器样式 */
    .card-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 40px;
        margin-bottom: 60px;
    }

    /* 单个卡片样式 */
    .card {
        background-color: #333333;
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

    .card img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        margin-bottom: 15px;
    }

    .card h4 {
        font-family: 'Roboto', sans-serif;
        font-size: 1.2em;
        margin-bottom: 10px;
        color: #FFA500;
    }

    .card p {
        font-size: 0.95em;
        text-align: center;
        margin-bottom: 15px;
    }

    .card a {
        background-color: #FFA500;
        color: #000000;
        padding: 10px 20px;
        border-radius: 25px;
        text-decoration: none;
        font-weight: bold;
        transition: background-color 0.3s ease;
    }

    .card a:hover {
        background-color: #e69500;
    }

    /* 文章区块样式 */
    article {
        background-color: rgba(51, 51, 51, 0.9);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        margin-bottom: 60px;
    }

    article h2 {
        text-align: center;
        margin-bottom: 30px;
        color: #FFA500;
    }

    article pre {
        background-color: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    /* 响应式设计 */
    @media (max-width: 480px) {
        h1 {
            font-size: 2em;
        }

        .card {
            padding: 15px;
        }

        .card img {
            width: 80px;
            height: 80px;
        }

        .card h4 {
            font-size: 1em;
        }

        .card p {
            font-size: 0.9em;
        }

        .card a {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }

    @media (min-width: 481px) and (max-width: 768px) {
        h1 {
            font-size: 2.5em;
        }

        .card img {
            width: 90px;
            height: 90px;
        }

        .card h4 {
            font-size: 1.1em;
        }

        .card a {
            padding: 9px 18px;
        }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
        h1 {
            font-size: 3em;
        }

        .card img {
            width: 100px;
            height: 100px;
        }

        .card h4 {
            font-size: 1.2em;
        }

        .card a {
            padding: 10px 20px;
        }
    }

    @media (min-width: 1025px) and (max-width: 1440px) {
        h1 {
            font-size: 3.5em;
        }

        .card img {
            width: 110px;
            height: 110px;
        }

        .card h4 {
            font-size: 1.3em;
        }

        .card a {
            padding: 11px 22px;
        }
    }

    @media (min-width: 1441px) {
        h1 {
            font-size: 4em;
        }

        .card img {
            width: 120px;
            height: 120px;
        }

        .card h4 {
            font-size: 1.4em;
        }

        .card a {
            padding: 12px 24px;
        }
    }

    /* 动画效果 */
    .loader {
        border: 8px solid #f3f3f3;
        border-top: 8px solid #FFA500;
        border-radius: 50%;
        width: 60px;
        height: 60px;
        animation: spin 2s linear infinite;
        margin: 40px auto;
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }