/* CSS 样式代码块 */
body {
    margin: 0;
    font-family: 'Roboto Mono', monospace, sans-serif;
    background: linear-gradient(to bottom, #000046, #1cb5e0);
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    letter-spacing: 2px;
    margin-top: 20px;
    margin-bottom: 10px;
}
p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 15px;
}
a {
    color: #00ff00;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #00cc99;
}
.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.card {
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 255, 255, 0.2);
    transition: transform 0.3s ease;
}
.card:hover {
    transform: scale(1.05);
}
pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-size: 0.9rem;
}
code {
    color: #00ff00;
    font-family: 'Courier New', Courier, monospace;
}
section {
    margin-bottom: 40px;
    position: relative;
    animation: fadeIn 1s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background-color: #ffffff;
    border-radius: 50%;
    animation: move 5s infinite;
    top: 0;
    left: 0;
}
@keyframes move {
    from { transform: translateY(0); }
    to { transform: translateY(-200px); }
}
.line {
    position: absolute;
    width: 100px;
    height: 2px;
    background-color: #00ff00;
    box-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.chart {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: conic-gradient(#ff0000 0%, #ff0000 50%, transparent 50%);
    animation: rotate 2s linear infinite;
    margin: 20px auto;
}
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    h1 {
        font-size: 1.8rem;
    }
    p {
        font-size: 0.9rem;
    }
}