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

    body {
        font-family: 'Poppins', sans-serif;
        background: radial-gradient(circle, rgb(25, 25, 112), transparent);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    /* 布局 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 0;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 15px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    }

    header h1 {
        font-size: 2.5rem;
        color: #FFC107;
        margin-bottom: 10px;
    }

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

    /* 主内容 */
    .content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    .card {
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        position: relative;
        overflow: hidden;
    }

    .card h2 {
        font-size: 1.8rem;
        margin-bottom: 15px;
        color: #FFA000;
    }

    .card p {
        font-size: 1rem;
        margin-bottom: 15px;
    }

    .card pre {
        background: rgba(0, 0, 0, 0.5);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }

    .card code {
        color: #00FF7F;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 按钮 */
    .button {
        display: inline-block;
        padding: 10px 20px;
        background: #FFC107;
        color: #000;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
    }

    .button:hover {
        transform: scale(1.1);
        background: #FFA000;
    }

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

    .images img {
        width: 100%;
        max-width: 150px;
        border-radius: 10px;
    }

    /* 表格 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 15px 0;
    }

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

    table th {
        background: rgba(255, 255, 255, 0.3);
    }

    /* 链接 */
    a {
        color: #00FFFF;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #FFA500;
    }

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

    .animated-background {
        background: linear-gradient(-45deg, #1e3c72, #2a5298, #1e3c72, #2a5298);
        background-size: 400% 400%;
        animation: aurora-move 15s linear infinite;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 2rem;
        }

        .card h2 {
            font-size: 1.5rem;
        }

        .card p, .card pre {
            font-size: 0.9rem;
        }
    }

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

        .card h2 {
            font-size: 1.3rem;
        }

        .card p, .card pre {
            font-size: 0.8rem;
        }
    }

    /* 提示文字 */
    .note {
        text-align: center;
        margin-top: 40px;
        font-size: 1rem;
        color: #FFD700;
    }