/* 全局样式 */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(to bottom, #a8e6cf, #dcedc1);
}

h1, h2, h3, h4 {
    font-family: 'Great Vibes', cursive;
    color: #2e7d32;
}

h1 {
    text-align: center;
    margin-top: 20px;
    font-size: 2.5rem;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1440px;
    margin: 0 auto;
}

.card {
    background: linear-gradient(to right, #6dd5ed, #2193b0);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    transition: transform 0.3s ease-in-out;
}

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

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.button {
    display: inline-block;
    background-color: #ff6f61;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    transition: transform 0.3s ease-in-out;
}

.button:hover {
    transform: scale(1.1);
}

pre {
    background-color: #f5f5f5;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: #d73a49;
}

.footer {
    background: linear-gradient(to right, #4b6cb7, #182848);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

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

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }

    .card {
        padding: 15px;
    }

    .button {
        padding: 8px 16px;
    }
}