* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

nav {
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover,
nav a.active {
    background-color: #34495e;
}

/* Main Content */
main {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 2rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 2rem;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.content {
    display: grid;
    gap: 1.5rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.card ul {
    list-style-position: inside;
    margin-left: 1rem;
}

.card li {
    margin-bottom: 0.5rem;
}

.card p {
    margin-bottom: 0.8rem;
}

.date {
    color: #7f8c8d;
    font-size: 0.9rem;
    font-style: italic;
}

/* Beian Table */
.beian-table {
    width: 100%;
    border-collapse: collapse;
}

.beian-table tr {
    border-bottom: 1px solid #ecf0f1;
}

.beian-table td {
    padding: 0.8rem;
}

.beian-table td:first-child {
    width: 180px;
    color: #7f8c8d;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 1.5rem 0;
    text-align: center;
    margin-top: 2rem;
}

footer p {
    margin-bottom: 0.5rem;
}

footer a {
    color: #3498db;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Gallery Styles */
.intro {
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.gallery-item {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.gallery-caption {
    padding: 1.5rem;
}

.gallery-caption h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.gallery-caption p {
    color: #7f8c8d;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.4rem;
    }

    nav {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .card {
        padding: 1.5rem;
    }

    .beian-table td:first-child {
        width: 120px;
        font-size: 0.9rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .gallery-item img {
        height: 200px;
    }
}