/* 全局样式与配色方案 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle, rgb(25, 25, 112), transparent);
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3 {
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    animation: glow 8s infinite alternate;
}
@keyframes glow {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}
.background-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease-in-out;
}
.background-glass:hover {
    transform: scale(1.02);
}
.button {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, #ff6f61, #ff9a8b);
    color: #fff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
}
.button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(255, 111, 97, 0.5);
}
.code-block {
    background: rgba(0, 0, 0, 0.7);
    color: #00ff00;
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.4;
}
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}
.image-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
    transition: transform 0.3s ease-in-out;
}
.image-grid img:hover {
    transform: scale(1.1);
}
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }
    .header {
        padding: 20px;
    }
}