.section-header {
  margin-bottom: 20px;
}
.section-header .title {
  position: relative;
  width: 228px;
  height: 39px;
  line-height: 39px;
  text-align: center;
  background-color: #0058B1;
  color: #fff;
  margin: 0 auto;
}
.section-header .title::before {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: -450px;
  display: block;
  content: "";
  width: 430px;
  height: 0;
  border-bottom: 1px solid #cccccc;
}
.section-header .title::after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: -450px;
  display: block;
  content: "";
  width: 430px;
  height: 0;
  border-bottom: 1px solid #cccccc;
}
.section1 {
  padding: 50px 0;
}
.section1 .section-content {
  border: 1px solid #d9d9d9;
  padding: 15px;
}
.section1 .section-content .imgbox {
  display: flex;
  flex-wrap: wrap;
}
.section1 .section-content .imgbox img {
  display: block;
  width: 25%;
  padding: 5px;
}
.section2 {
  padding: 50px 0;
}
.section2 .section-content {
  display: flex;
  flex-wrap: wrap;
}
.section2 .section-content .item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 23%;
  border: 1px solid #d9d9d9;
  margin-right: 2%;
  margin-bottom: 2%;
  padding: 30px 15px 15px;
}
.section2 .section-content .item .icon {
  width: 60px;
  height: 60px;
}
.section2 .section-content .item .icon img {
  width: 100%;
  height: 100%;
}
.section2 .section-content .item .title {
  font-size: 25px;
  color: #5a5a5a;
  margin: 15px 0;
}
.section2 .section-content .item .intro {
  font-size: 14px;
  color: #5a5a5a;
  line-height: 30px;
}
.section3 {
  padding: 50px 0;
}
.section3 .section-content {
  display: flex;
  flex-wrap: wrap;
}
.section3 .section-content .item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 23%;
  margin-right: 2%;
  margin-bottom: 2%;
  background-color: #eee;
}
.section3 .section-content .item .item-img {
  width: 100%;
}
.section3 .section-content .item .item-img img {
  width: 100%;
  height: 100%;
}
.section3 .section-content .item .title {
  color: #5a5a5a;
  margin: 10px 0;
}