/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li a {
    text-decoration: none;
    color: #333;
    padding: 0 1rem;
}

/* 主要横幅样式 */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: #f5f5f5;
    padding: 2rem;
}

.cta-button {
    padding: 1rem 2rem;
    margin-top: 1rem;
    border: none;
    background: #007bff;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

/* 章节通用样式 */
.section {
    padding: 4rem 2rem;
}

.section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

/* 服务卡片样式 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.service-card {
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* 联系表单样式 */
#contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#contact-form input,
#contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
}

#contact-form button {
    padding: 1rem;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 2rem;
    background: #333;
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}