/* 数据可视化页面样式 */

/* 页面主体样式 */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    line-height: 1.8;
}

.hero-section {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    margin-bottom: 50px;
    border-radius: 10px;
}

.hero-section h1 {
    font-size: 3em;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-section p {
    font-size: 1.3em;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.service-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card h3 {
    color: #2c3e50;
    font-size: 1.5em;
    margin-bottom: 15px;
    border-bottom: 3px solid #3498db;
    padding-bottom: 10px;
}

.service-card ul {
    list-style: none;
    padding: 0;
}

.service-card li {
    padding: 8px 0;
    border-bottom: 1px solid #ecf0f1;
}

.service-card li:before {
    content: "✓";
    color: #27ae60;
    font-weight: bold;
    margin-right: 10px;
}

.gallery-title {
    text-align: center;
    font-size: 2.5em;
    color: #2c3e50;
    margin: 60px 0 40px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.gallery-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.gallery-item-content {
    padding: 20px;
}

.gallery-item h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.gallery-item p {
    color: #7f8c8d;
    font-size: 0.9em;
}

.tech-stack {
    background: #f8f9fa;
    padding: 50px 20px;
    margin: 60px 0;
    border-radius: 15px;
}

.tech-stack h2 {
    text-align: center;
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 40px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.tech-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.tech-item h4 {
    color: #3498db;
    font-size: 1.3em;
    margin-bottom: 15px;
}

.contact-section {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 50px;
    border-radius: 15px;
    text-align: center;
    margin: 60px 0;
}

.contact-section h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.contact-section p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.contact-btn {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease;
}

.contact-btn:hover {
    background: #2980b9;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2em;
    }
    
    .hero-section p {
        font-size: 1.1em;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}