/* 全局样式 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

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

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0A1931, #1B2735);
        color: #C7E9B0;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4 {
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 15px;
    }

    h1 {
        font-size: 2.5rem;
        text-align: center;
        margin-top: 20px;
        text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    }

    h2 {
        font-size: 2rem;
        margin-top: 40px;
        border-bottom: 2px solid #C7E9B0;
        padding-bottom: 10px;
    }

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

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

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid #C7E9B0;
    }

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

    th {
        background: rgba(199, 233, 176, 0.2);
    }

    /* 模块化布局 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        padding: 20px;
    }

    .module {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        position: relative;
        overflow: hidden;
    }

    .module::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: linear-gradient(45deg, #FF6EC7, #39FF14, #0ABDE3);
        opacity: 0.1;
        transform: rotate(45deg);
        pointer-events: none;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #39FF14;
        color: #0A1931;
        text-decoration: none;
        border-radius: 25px;
        transition: background 0.3s, transform 0.3s;
    }

    .btn:hover {
        background: #FF6EC7;
        transform: scale(1.05);
    }

    /* 图片样式 */
    .image-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .image-grid img {
        width: 100%;
        border-radius: 10px;
        object-fit: cover;
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow: auto;
        font-family: 'Courier New', Courier, monospace;
        color: #C7E9B0;
    }

    code {
        font-size: 0.9rem;
    }

    /* 表格响应式 */
    @media (max-width: 768px) {
        h1 {
            font-size: 2rem;
        }
        h2 {
            font-size: 1.75rem;
        }
        h3 {
            font-size: 1.25rem;
        }
    }

    @media (max-width: 480px) {
        body {
            padding: 10px;
        }
        .container {
            grid-template-columns: 1fr;
        }
    }

    /* 动画效果 */
    .loading-circle {
        width: 50px;
        height: 50px;
        border: 3px solid #C7E9B0;
        border-top: 3px solid transparent;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin: 20px auto;
    }

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

    /* 提示文本 */
    .note {
        text-align: center;
        font-size: 1.2rem;
        color: #FF6EC7;
        margin: 30px 0;
    }