/* 基础样式 */
body {
    font-family: 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #1e3c72, #2a5298);
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

header {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
    padding: 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header h1 {
    font-size: 2rem;
    margin: 0;
    color: #ffcc00;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

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

.glass-effect {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    color: #333;
    transition: transform 0.3s ease-in-out;
}

.glass-effect:hover {
    transform: translateY(-5px);
}

.module {
    margin: 10px;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

code {
    display: block;
    background: #2a5298;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

pre {
    margin: 10px 0;
}

footer {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
    padding: 15px;
    text-align: center;
    color: #ffcc00;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    .container {
        grid-template-columns: 1fr;
        padding: 10px;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 1.5s ease-in-out;
}