/* 全局样式 */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
header {
    background-color: #4285F4;
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

/* 主要内容区域 */
.hero {
    background-color: #f8f9fa;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #4285F4;
}

/* 服务区域 */
.services {
    padding: 60px 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.service h3 {
    color: #4285F4;
    margin-top: 0;
}

/* 关于我们和联系区域 */
.about, .contact {
    padding: 60px 0;
    background-color: #f8f9fa;
}

/* 页脚 */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        justify-content: center;
        margin-top: 15px;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
}