/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #00467F, #A5CC82);
        background-size: 400% 400%;
        animation: gradient-animation 15s ease infinite;
        color: #ffffff;
        overflow-x: hidden;
    }

    @keyframes gradient-animation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 0;
    }

    /* 标题样式 */
    h1, h2, h3 {
        font-family: 'Montserrat', sans-serif;
        text-align: center;
        margin-bottom: 20px;
        background: -webkit-linear-gradient(#EE77FF, #33BBFF);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    h2 {
        font-size: 36px;
    }

    h3 {
        font-size: 28px;
    }

    /* 段落样式 */
    p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 20px;
        padding: 0 20px;
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.6);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #33BBFF;
    }

    /* 卡片样式 */
    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 20px;
        margin: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    .card img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }

    .card-title {
        font-size: 20px;
        margin: 15px 0;
        background: -webkit-linear-gradient(#FF99CC, #66CCFF);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .card-content {
        font-size: 16px;
        line-height: 1.5;
    }

    /* 动态交互模块 */
    .interactive-module {
        position: relative;
        padding: 40px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 10px;
        margin: 40px 0;
        text-align: center;
    }

    .interactive-module:hover {
        background: rgba(255, 255, 255, 0.15);
        transition: background 0.3s;
    }

    /* 图片网格 */
    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        padding: 20px;
    }

    .image-grid img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h2 {
            font-size: 32px;
        }
        h3 {
            font-size: 24px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            width: 95%;
        }
    }

    @media (max-width: 1024px) {
        h1, h2, h3 {
            text-align: center;
        }
    }

    @media (max-width: 768px) {
        .card {
            margin: 10px 0;
        }
        p {
            padding: 0 10px;
        }
    }

    @media (max-width: 480px) {
        h2 {
            font-size: 28px;
        }
        h3 {
            font-size: 20px;
        }
        .card {
            padding: 15px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 24px;
        }
        h2 {
            font-size: 24px;
        }
        h3 {
            font-size: 18px;
        }
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        margin: 10px;
        background: linear-gradient(135deg, #FF99CC, #66CCFF);
        border: none;
        border-radius: 25px;
        color: #fff;
        font-size: 16px;
        cursor: pointer;
        transition: background 0.3s;
        text-decoration: none;
    }

    .btn:hover {
        background: linear-gradient(135deg, #FF66CC, #33BBFF);
    }

    /* 提示样式 */
    .reference-note {
        text-align: center;
        font-size: 14px;
        margin-top: 30px;
        color: #FFD700;
    }