/* 全局样式 */
body {
    margin: 0;
    font-family: 'Roboto Mono', monospace;
    background: linear-gradient(135deg, #0A1931, #1C1C4D);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Exo 2', sans-serif;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

a {
    color: #39FF14;
    text-decoration: none;
}

a:hover {
    text-shadow: 0 0 8px #39FF14;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
}

.card {
    grid-column: span 4;
    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);
}

.highlight {
    color: #39FF14;
    font-weight: bold;
}

.particle-effect {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('particles.svg') no-repeat center;
    opacity: 0.7;
    animation: fade 5s infinite;
}

@keyframes fade {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 0.3; }
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px;
    text-align: left;
}

th {
    background: rgba(255, 255, 255, 0.1);
}

pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: #39FF14;
    font-family: 'Roboto Mono', monospace;
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: repeat(6, 1fr);
    }

    .card {
        grid-column: span 6;
    }

    body {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        grid-template-columns: 1fr;
    }

    .card {
        grid-column: span 12;
    }
}