/* 全局样式 */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A2463, #1E3C72);
    color: #D1D1D1;
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3 {
    font-weight: bold;
    color: #FFFFFF;
}
p {
    font-size: 16px;
    color: #D1D1D1;
}
a {
    color: #8C52FF;
    text-decoration: none;
}
a:hover {
    color: #FFA726;
    text-decoration: underline;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.gradient-background {
    background: linear-gradient(135deg, #0A2463, #1E3C72);
    height: 100vh;
}
.card {
    width: 100%;
    max-width: 300px;
    margin: 10px;
    padding: 20px;
    border-radius: 8px;
    background-color: #1E3C72;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
}
.card h3 {
    color: #FFFFFF;
}
.card p {
    color: #D1D1D1;
}
.button {
    background-color: #8C52FF;
    color: #FFFFFF;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    cursor: pointer;
}
.button:hover {
    background-color: #FFA726;
    transform: scale(1.1);
}
.code-block {
    background-color: #1E3C72;
    color: #FFFFFF;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    margin: 10px 0;
}
.image-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.image-container img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
}
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    .card {
        max-width: 100%;
    }
}