/* 基础样式重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    /* 页面背景与整体布局 */
    body {
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(135deg, #0A2463, #6C5CE7);
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
    }

    /* 标题样式 */
    .main-title {
        font-size: 48px;
        color: #FFD7E9;
        text-align: center;
        text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
        margin-bottom: 40px;
    }

    /* 引言部分 */
    .introduction {
        max-width: 800px;
        margin: 0 auto 40px auto;
        font-size: 18px;
        color: #F0F0F0;
    }

    /* 小标题样式 */
    h2, h3, h4 {
        color: #FFD7E9;
        margin-bottom: 20px;
    }

    h2 {
        font-size: 36px;
    }

    h3 {
        font-size: 28px;
    }

    h4 {
        font-size: 22px;
    }

    /* 段落样式 */
    p {
        margin-bottom: 15px;
        font-size: 16px;
        color: #E0E0E0;
    }

    /* 加粗文本 */
    b {
        color: #FFD7E9;
    }

    /* 斜体文本 */
    i {
        color: #A29BFE;
    }

    /* 代码块样式 */
    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #74B9FF;
    }

    /* 链接样式 */
    a {
        color: #55EFC4;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

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

    /* 网格布局 */
    .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }

    /* 卡片样式 */
    .card {
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 20px;
        position: relative;
        overflow: hidden;
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
    }

    /* 卡片中的图形元素 */
    .card::before {
        content: '';
        position: absolute;
        width: 100px;
        height: 100px;
        background: radial-gradient(circle, #8E44AD, #3498DB);
        border-radius: 50%;
        top: -50px;
        left: -50px;
        opacity: 0.3;
        animation: float 10s infinite alternate;
    }

    @keyframes float {
        from {
            transform: translate(0, 0);
        }
        to {
            transform: translate(20px, 20px);
        }
    }

    /* 按钮样式 */
    .btn {
        background-color: #6C5CE7;
        color: #FFFFFF;
        border: none;
        padding: 10px 20px;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s ease, background-color 0.3s ease;
    }

    .btn:hover {
        transform: scale(1.1);
        background-color: #8E44AD;
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 40px;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        border-radius: 8px;
        object-fit: cover;
    }

    /* 动态粒子效果 */
    .particles {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        pointer-events: none;
        z-index: -1;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .main-title {
            font-size: 42px;
        }
        h2 {
            font-size: 32px;
        }
    }

    @media (max-width: 1200px) {
        .main-title {
            font-size: 36px;
        }
        h2 {
            font-size: 28px;
        }
    }

    @media (max-width: 1024px) {
        .grid {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
    }

    @media (max-width: 768px) {
        .container {
            padding: 10px;
        }
        h1, h2, h3, h4 {
            text-align: center;
        }
        .image-gallery {
            justify-content: center;
        }
    }

    @media (max-width: 480px) {
        .main-title {
            font-size: 28px;
        }
        h2 {
            font-size: 24px;
        }
        p {
            font-size: 14px;
        }
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% {
            background: radial-gradient(circle, rgba(255,87,34,1), transparent);
        }
        50% {
            background: radial-gradient(circle, rgba(34, 193, 195,1), transparent);
        }
        100% {
            background: radial-gradient(circle, rgba(255,87,34,1), transparent);
        }
    }

    .aurora-background {
        animation: aurora-move 15s linear infinite;
        position: fixed;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        z-index: -2;
    }