/* 全局样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(to bottom, #0A2463, #000000);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3 {
    color: #FF6F61;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}
p {
    color: #B4C6E7;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}
a {
    color: #3EB489;
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #FF6F61;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.5);
    padding: 20px;
    margin-bottom: 20px;
    flex: 1 1 calc(33.333% - 20px);
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-10px);
}
.image-container img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}
pre {
    background: #0A2463;
    color: #B4C6E7;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
th, td {
    border: 1px solid #B4C6E7;
    padding: 10px;
    text-align: left;
}
th {
    background-color: #FF6F61;
    color: #000;
}
@media (max-width: 1024px) {
    .card {
        flex: 1 1 calc(50% - 20px);
    }
}
@media (max-width: 768px) {
    .card {
        flex: 1 1 100%;
    }
}