.w1100 {
  width: 1100px;
  margin: 0 auto;
}
.service {
  margin-top: 115px;
}
.service .content h4 {
  position: relative;
  margin-left: 15px;
}
.service .content h4::before {
  position: absolute;
  top: 2px;
  left: -15px;
  content: '';
  display: block;
  width: 4px;
  height: 20px;
  background-color: #000;
}
.service .content p {
  font-size: 14px;
  color: #001E28;
  line-height: 2;
  padding: 20px  0 0 15px;
  box-sizing: border-box;
}
.service .content .content_box {
  padding: 30px;
  background-color: #fff;
  box-shadow: 11px 12px 10px rgb(0, 0, 0, .5);
  -webkit-box-shadow: 11px 12px 10px rgb(0, 0, 0, .5);
  -moz-box-shadow: 11px 12px 10px rgb(0, 0, 0, .5);
  -o-box-shadow: 11px 12px 10px rgb(0, 0, 0, .5);
  box-sizing: border-box;
  margin-bottom: 80px;
}