/* 全局样式 */
body {
    background: linear-gradient(135deg, #1E1E2F, #6A5ACD);
    color: #FFFFFF;
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    color: #00BFFF;
    margin-top: 20px;
}
p {
    font-size: 1rem;
    margin-bottom: 15px;
}
a {
    color: #00BFFF;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #FF69B4;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.key-section {
    grid-column: span 2;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
}
img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}
button {
    background-color: #6A5ACD;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
button:hover {
    background-color: #00BFFF;
}
pre {
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
code {
    color: #00BFFF;
    font-family: 'Courier New', monospace;
}
.particle {
    width: 10px;
    height: 10px;
    background: #FFFFFF;
    border-radius: 50%;
    position: absolute;
    animation: move 5s infinite;
}
@keyframes move {
    0% { transform: translate(0, 0); }
    50% { transform: translate(200px, 200px); }
    100% { transform: translate(0, 0); }
}
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    .key-section {
        grid-column: span 1;
    }
}