/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
}

body {
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

/* 页面容器 */
.container {
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
}

/* 头部样式 */
header {
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 15px 20px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #0056b3;
}

/* 主要内容区域 */
.main-content {
  padding: 80px 20px 30px;
}

/* 公司简介部分 */
.company-intro {
  background-color: #fff;
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.section-title {
  font-size: 22px;
  color: #0056b3;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #eaeaea;
  position: relative;
}

.section-title:after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background-color: #0056b3;
}

.company-image {
  width: 100%;
  border-radius: 8px;
  margin: 20px 0;
}

/* 业务范围部分 */
.business-scope {
  background-color: #fff;
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.business-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 20px;
}

.business-item {
  width: 48%;
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 15px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.business-item h4 {
  color: #0056b3;
  margin-bottom: 10px;
}

/* 联系我们部分 */
.contact-us {
  background-color: #fff;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.contact-info {
  margin-top: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background-color: #e6f0fa;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 15px;
}

.contact-icon i {
  color: #0056b3;
  font-size: 18px;
}

/* 底部样式 */
footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 20px;
  margin-top: 30px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .business-item {
    width: 100%;
  }
}