/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #34495e;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #3498db;
}

/* 首页横幅 */
.hero {
    padding-top: 100px;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    text-align: center;
    padding: 150px 0;
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

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

/* 服务内容 */
.services {
    padding: 80px 0;
    background: #f9f9f9;
}

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

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

.service-card i {
    color: #3498db;
    margin-bottom: 20px;
}

/* 关于我们 */
.about {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.advantages {
    list-style: none;
    margin-top: 20px;
}

.advantages li {
    margin: 15px 0;
    display: flex;
    align-items: center;
}

.advantages i {
    margin-right: 10px;
    color: #3498db;
}

/* 联系表单 */
.contact {
    background: #f9f9f9;
    padding: 80px 0;
}

.form-group {
    margin-bottom: 20px;
}

input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.contact-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 20px;
}

.contact-details {
    flex: 1;
}

.contact-details p {
    margin: 10px 0;
    display: flex;
    align-items: center;
}

.contact-details i {
    margin-right: 10px;
    color: #3498db;
}

.contact-wechat {
    display: flex;
    align-items: flex-start;
    flex: 1;
}

.contact-wechat p {
    margin: 10px 0;
    display: flex;
    align-items: flex-start;
}

.contact-wechat i {
    margin-right: 10px;
    color: #3498db;
}

.contact-wechat img {
    margin-left: 10px;
    width: 100px;
    height: 100px;
    vertical-align: top;
}

/* 按钮 */
.cta-button {
    display: inline-block;
    padding: 12px 30px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #2980b9;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
}