* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

/* 头部样式 */
header {
    background-color: #2c3e50;
    color: #fff;
    padding: 20px 0;
}

header::after {
    content: '';
    display: table;
    clear: both;
}

.logo-container {
    float: left;
    display: flex;
    align-items: center;
}

.logo {
    height: 40px;
    margin-right: 15px;
}

header h1 {
    font-size: 24px;
}

nav {
    float: right;
    margin-top: 5px;
}

nav ul {
    list-style: none;
}

nav ul li {
    display: inline-block;
    margin-left: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #3498db;
}

/* 主要内容区域 */
main {
    padding: 40px 0;
}

/* 首页英雄区域 */
.hero {
    background-color: #f5f5f5;
    padding: 60px 0;
    text-align: center;
    margin-bottom: 40px;
    border-radius: 5px;
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.hero-image {
    max-width: 100%;
    height: auto;
    margin-top: 30px;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 服务预览区域 */
.services-preview h2,
.services-list h2,
.careers-list h2,
.page-header h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #2c3e50;
    text-align: center;
}

.service-items,
.careers-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.service-item {
    flex-basis: 30%;
    margin-bottom: 30px;
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-icon {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 15px;
    border: 3px solid #3498db;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.service-item h3,
.career-item h3,
.service-item-full h3 {
    color: #3498db;
    margin-bottom: 10px;
}

/* 页面头部 */
.page-header {
    text-align: center;
    padding: 30px 0;
    margin-bottom: 40px;
    background-color: #f5f5f5;
    border-radius: 5px;
}

/* 服务详情页 */
.service-item-full {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* 人才政策页 */
.career-item {
    flex-basis: 48%;
    margin-bottom: 30px;
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* 联系我们页 */
.contact-info {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact-details,
.contact-form {
    flex-basis: 48%;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

.submit-btn {
    background-color: #3498db;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

/* 页脚 */
footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

footer p {
    margin-bottom: 10px;
}

/* 响应式布局 */
@media (max-width: 768px) {
    header h1,
    nav {
        float: none;
        text-align: center;
    }
    
    .logo-container {
        float: none;
        justify-content: center;
        margin-bottom: 15px;
    }
    
    header h1 {
        margin-bottom: 15px;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    .service-item,
    .career-item,
    .contact-details,
    .contact-form {
        flex-basis: 100%;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
}