/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #ffffff;
        line-height: 1.6;
    }

    a {
        color: #FFA500;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #FFC107;
    }

    /* 头部样式 */
    header {
        padding: 60px 20px;
        text-align: center;
        background: rgba(0, 0, 0, 0.5);
        position: relative;
    }

    header h1 {
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #FFD700;
    }

    /* 导航栏 */
    nav {
        margin-bottom: 40px;
    }

    nav a {
        margin: 0 15px;
        font-size: 1.1em;
        color: #FFA500;
    }

    /* 主体内容 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }

    section {
        background: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        position: relative;
    }

    section h2 {
        color: #FFD700;
        margin-bottom: 15px;
    }

    section p {
        color: #FFFFFF;
        font-size: 1em;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 25px;
        background-color: #FFA500;
        color: #ffffff;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background-color 0.3s ease;
        margin-top: 15px;
    }

    .btn:hover {
        background-color: #FFC107;
    }

    /* 示例数据展示 */
    .example-data {
        grid-column: 1 / -1;
        background: rgba(255, 255, 255, 0.2);
        padding: 20px;
        border-radius: 10px;
    }

    .example-data h3 {
        color: #FFD700;
        margin-bottom: 10px;
    }

    .example-data ul {
        list-style: disc;
        padding-left: 20px;
    }

    .example-data li {
        margin-bottom: 10px;
        color: #FFFFFF;
    }

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

    .images img {
        width: 100%;
        max-width: 320px;
        border-radius: 5px;
    }

    /* 代码展示 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-size: 0.9em;
        color: #00FF7F;
    }

    code {
        color: #00FF7F;
    }

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

        nav a {
            display: block;
            margin: 10px 0;
        }

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

    @media (max-width: 480px) {
        header {
            padding: 40px 10px;
        }

        section {
            padding: 20px;
        }

        .btn {
            padding: 8px 20px;
            font-size: 0.9em;
        }
    }

    /* 粒子动画 */
    .particles {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        background: transparent;
    }

    .particle {
        position: absolute;
        width: 5px;
        height: 5px;
        background: #FFFFFF;
        border-radius: 50%;
        animation: float 5s ease-in-out infinite;
    }

    @keyframes float {
        0%, 100% { transform: translateY(-20px); opacity: 0; }
        50% { transform: translateY(20px); opacity: 1; }
    }