/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', sans-serif;
    color: #ffffff;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
header {
    background: linear-gradient(135deg, #6c5ce7, #00d2ff);
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}
header h1 {
    margin: 0;
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    color: #ffffff;
}
nav {
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 0;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}
nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}
nav ul li a:hover {
    color: #f1c40f;
}
.main-content {
    flex: 1;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}
section {
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
}
section h2, section h3 {
    font-family: 'Orbitron', sans-serif;
    color: #00d2ff;
    margin-bottom: 15px;
}
section p {
    color: #dcdcdc;
}
pre {
    background: #2c3e50;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}
pre code {
    font-family: 'Courier New', Courier, monospace;
    color: #ecf0f1;
}
.code-example {
    background: rgba(44, 62, 80, 0.8);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}
.image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.image-gallery img {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.image-gallery img:hover {
    transform: scale(1.05);
}
.footer {
    background: linear-gradient(135deg, #6c5ce7, #00d2ff);
    text-align: center;
    padding: 15px;
    font-size: 0.9rem;
    color: #ffffff;
}
@media (max-width: 1440px) {
    header h1 {
        font-size: 2.2rem;
    }
    nav ul li a {
        font-size: 1rem;
    }
}
@media (max-width: 1200px) {
    .main-content {
        padding: 15px;
    }
    section {
        padding: 15px;
    }
}
@media (max-width: 1024px) {
    nav ul {
        gap: 20px;
    }
    .image-gallery {
        gap: 8px;
    }
}
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    nav ul li {
        margin-bottom: 10px;
    }
    .image-gallery img {
        max-width: 45%;
    }
}
@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }
    nav ul {
        gap: 15px;
    }
    .image-gallery img {
        max-width: 100%;
    }
}
@media (max-width: 320px) {
    header h1 {
        font-size: 1.5rem;
    }
    nav ul li a {
        font-size: 0.9rem;
    }
}