/* 全局样式定义 */
body {
    margin: 0;
    font-family: 'Roboto Mono', monospace;
    background: linear-gradient(135deg, #00054b, #1c1c1c, #2a0a4b);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    text-shadow: 0 0 10px #00ff80, 0 0 20px #00ff80;
}

h1 {
    font-size: 3em;
    text-align: center;
    margin-top: 20px;
}

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

.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

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

button {
    background-color: #00ff80;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    box-shadow: 0 0 10px #00ff80, 0 0 20px #00ff80;
    transform: scale(1.1);
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    color: #00ff80;
    text-decoration: none;
    margin: 0 10px;
    font-size: 1.2em;
}

pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: #00ff80;
    font-family: 'Courier New', Courier, monospace;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
    }
    .container {
        grid-template-columns: 1fr;
    }
}

/* 提示样式 */
.tip {
    text-align: center;
    font-size: 0.9em;
    color: #ccc;
    margin-top: 20px;
}