/* 全局样式 */
body {
    font-family: 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #0d162f 0%, #1a233a 100%);
    color: #ffffff;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}
h1, h2, h3 {
    color: #ff7e5f;
    font-weight: bold;
}
p {
    color: #c4c4c4;
    font-size: 1rem;
    line-height: 1.8;
}
a {
    color: #ff7e5f;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #e56b4e;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
}
.grid-item {
    background-color: #1a233a;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}
.grid-item:hover {
    transform: translateY(-5px);
}
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}
.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background-color: rgba(255, 126, 95, 0.8);
    border-radius: 50%;
    animation: move 5s infinite linear;
}
@keyframes move {
    0% { transform: translate(-50%, -50%) scale(1); }
    100% { transform: translate(-50%, -50%) scale(1.5); }
}
.code-block {
    background-color: #0d162f;
    color: #ffffff;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
}
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    .grid-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}