/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #4B65FF, #8A2BE2);
        color: #333;
        line-height: 1.6;
    }
    h1, h2, h3 {
        font-family: 'Montserrat', sans-serif;
        color: #fff;
    }
    a {
        color: #FFD700;
        text-decoration: none;
    }
    a[rel="nofollow"] {
        color: #FFD700;
    }
    /* 头部英雄区 */
    .hero {
        height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: hidden;
        background: linear-gradient(135deg, #4B65FF, #8A2BE2);
        animation: aurora-move 15s linear infinite;
    }
    .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent);
        pointer-events: none;
    }
    .hero-content {
        position: relative;
        text-align: center;
        z-index: 1;
    }
    .hero-content h1 {
        font-size: 3rem;
        margin-bottom: 20px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    }
    .hero-content p {
        font-size: 1.2rem;
        max-width: 600px;
        margin: 0 auto;
    }
    /* 卡片模块 */
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        padding: 50px 20px;
    }
    .card {
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 12px rgba(0,0,0,0.2);
    }
    .card img {
        width: 64px;
        height: 64px;
        margin-bottom: 15px;
    }
    .card h3 {
        margin-bottom: 10px;
        font-size: 1.5rem;
    }
    .card p {
        font-size: 1rem;
    }
    /* 示例展示 */
    .sample-article {
        background: rgba(255, 255, 255, 0.1);
        padding: 40px 20px;
        margin: 50px 20px;
        border-radius: 15px;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: #fff;
    }
    .sample-article h2 {
        text-align: center;
        margin-bottom: 20px;
    }
    .sample-article pre {
        background: rgba(0,0,0,0.7);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }
    .sample-article code {
        color: #FFD700;
        font-family: 'Courier New', Courier, monospace;
    }
    /* 底部信息栏 */
    .footer {
        background: #2c2c2c;
        color: #fff;
        text-align: center;
        padding: 20px;
    }
    /* 提示文字 */
    .hint {
        text-align: center;
        padding: 10px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 10px;
        margin: 20px;
        color: #fff;
    }
    /* 动画关键帧 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }
    /* 响应式设计 */
    @media (max-width: 768px) {
        .hero-content h1 {
            font-size: 2rem;
        }
        .container {
            padding: 30px 10px;
        }
    }
    @media (max-width: 480px) {
        .hero-content h1 {
            font-size: 1.5rem;
        }
        .card h3 {
            font-size: 1.2rem;
        }
    }
    @media (min-width: 1440px) {
        .hero-content h1 {
            font-size: 4rem;
        }
        .card h3 {
            font-size: 1.8rem;
        }
    }