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

    /* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, rgb(0, 0, 139), transparent);
        color: #ffffff;
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: #FFD700;
        text-decoration: none;
        rel: nofollow;
    }

    a:hover {
        color: #ADFF2F;
    }

    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        font-weight: 700;
        margin-bottom: 20px;
        color: #FFD700;
    }

    h1 {
        font-size: 3rem;
        text-align: center;
        margin-top: 50px;
    }

    h2 {
        font-size: 2.5rem;
    }

    h3 {
        font-size: 2rem;
    }

    p {
        font-size: 1rem;
        margin-bottom: 20px;
        color: #f0f0f0;
    }

    pre {
        background: rgba(255, 215, 0, 0.1);
        padding: 15px;
        border-radius: 5px;
        overflow: auto;
    }

    code {
        font-family: 'Roboto Mono', monospace;
        color: #FFD700;
    }

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

    th, td {
        padding: 10px;
        text-align: left;
        border-bottom: 1px solid #444;
    }

    th {
        background-color: #00008B;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background-color: #ADFF2F;
        color: #00008B;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: box-shadow 0.3s ease;
        font-weight: bold;
    }

    .btn:hover {
        box-shadow: 0px 0px 10px rgba(255, 215, 0, 0.8);
    }

    /* 视觉效果 */
    .background-video {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: -1;
    }

    .parallax {
        background-attachment: fixed;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }

    /* 布局布局 */
    .section {
        min-height: 100vh;
        padding: 60px 20px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background: linear-gradient(135deg, #00008B, #FFD700);
        animation: aurora-move 15s linear infinite;
    }

    .container {
        max-width: 1200px;
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

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

    img {
        width: 100%;
        border-radius: 10px;
    }

    /* 动画 */
    @keyframes aurora-move {
        0% { background: radial-gradient(circle, rgb(0, 0, 139), transparent); }
        50% { background: radial-gradient(circle, rgb(30, 144, 255), transparent); }
        100% { background: radial-gradient(circle, rgb(0, 0, 139), transparent); }
    }

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

    h1 {
        animation: fadeIn 2s ease-in-out;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.5rem;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: 1fr;
        }
    }

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

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

        h2 {
            font-size: 2rem;
        }

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

    @media (max-width: 480px) {
        h1 {
            font-size: 1.5rem;
        }

        h2 {
            font-size: 1.5rem;
        }

        p, code {
            font-size: 0.9rem;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.2rem;
        }

        h2 {
            font-size: 1.2rem;
        }

        p, code {
            font-size: 0.8rem;
        }
    }