/* 导入字体 */
    @import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Roboto:wght@400;500;700&display=swap');

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #003366, #6699CC);
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
        animation: aurora-move 15s linear infinite;
    }

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

    h1, h2, h3, h4 {
        font-family: 'Bebas Neue', cursive;
        color: #FF6F61;
        margin-bottom: 20px;
    }

    .header {
        text-align: center;
        padding: 20px 0;
    }

    .tabs {
        display: flex;
        justify-content: center;
        gap: 15px;
        margin-bottom: 30px;
        flex-wrap: wrap;
    }

    .tab-item {
        padding: 10px 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s, transform 0.3s;
    }

    .tab-item:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: scale(1.05);
    }

    .content {
        display: none;
        animation: fadeIn 0.5s ease-in-out;
        padding: 20px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .content.active {
        display: block;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .images img {
        width: 100px;
        height: 100px;
        border-radius: 5px;
        object-fit: cover;
        transition: transform 0.3s;
    }

    .images img:hover {
        transform: scale(1.1);
    }

    .article-sample {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        margin-top: 40px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .article-sample h2 {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .article-sample h3, .article-sample h4 {
        font-size: 22px;
        margin-top: 20px;
        margin-bottom: 10px;
        color: #FF8A65;
    }

    .article-sample p {
        margin-bottom: 15px;
        text-align: justify;
    }

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

    .article-sample code {
        color: #FF6F61;
        font-family: 'Roboto', monospace;
    }

    footer {
        text-align: center;
        margin-top: 40px;
        font-size: 14px;
        color: #CCCCCC;
    }

    /* 响应式设计 */
    @media (max-width: 320px) {
        .tab-item {
            padding: 8px 12px;
            font-size: 12px;
        }

        .article-sample h2 {
            font-size: 24px;
        }

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

    @media (max-width: 480px) {
        .images img {
            width: 80px;
            height: 80px;
        }
    }

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

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

    @media (max-width: 1024px) {
        .images img {
            width: 100px;
            height: 100px;
        }
    }

    @media (min-width: 1200px) {
        body {
            padding: 40px;
        }

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

    @media (min-width: 1440px) {
        body {
            max-width: 1200px;
            margin: 0 auto;
        }

        .images img {
            width: 140px;
            height: 140px;
        }
    }