/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #1e88e5, #1565c0);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

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

header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* 主要内容区域 */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 20px;
}

.service-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2.5rem;
    color: #1e88e5;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-item {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
}

.icon-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1e88e5;
}

.service-item p {
    font-size: 1rem;
    color: #666;
    line-height: 1.6;
}

/* 页脚样式 */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
}

footer p {
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .service-section h2 {
        font-size: 1.8rem;
    }
    
    .service-item {
        padding: 1.5rem;
    }
}