* {
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
}
body {
  background-color: #f2f2f2;
}

/* 轮播图 */
.head01 {
  width: 100%;
  height: 500px;
  margin: 0 auto;
}
.head01 img {
  width: 100%;
  height: 100%;
}
/* 主要内容 */
main {
  margin: 0 auto;
}
/* 产品功能培训 */
.section01 {
  width: 45%;
  height: 50px;
  border-bottom: 1px dashed #ccc;
  margin: 20px auto;
  padding: 20px 0;
}
.section01 .art01 .con01 {
  font-size: 16px;
  width: 54%;
  line-height: 30px;
  border-left: 6px solid #0483a1;
  padding-left: 2%;
}
.section01 .art01 p {
  color: #4b4b4b;
  line-height: 30px;
  font-size: 13px;
  margin-left: 20px;
}
/* 师生使用指导 */
.section02 {
  width: 45%;
  height: 50px;
  border-bottom: 1px dashed #ccc;
  margin: 20px auto;
  padding: 20px 0;
}
.section02 .art01 .con01 {
  font-size: 16px;
  width: 54%;
  line-height: 30px;
  border-left: 6px solid #fca04e;
  padding-left: 2%;
}
.section02 .art01 p {
  color: #4b4b4b;
  line-height: 30px;
  font-size: 13px;
  margin-left: 20px;
}
/* 导员一对一售后跟进 */
.section03 {
  width: 45%;
  height: 50px;
  border-bottom: 1px dashed #ccc;
  margin: 20px auto;
  padding: 20px 0;
}
.section03 .art01 .con01 {
  font-size: 16px;
  width: 54%;
  line-height: 30px;
  border-left: 6px solid #00b493;
  padding-left: 2%;
}
.section03 .art01 p {
  color: #4b4b4b;
  line-height: 30px;
  font-size: 13px;
  margin-left: 20px;
}
/* 硬件售后服务 */
.section04 {
  width: 45%;
  height: 50px;
  border-bottom: 1px dashed #ccc;
  margin: 20px auto;
  padding: 20px 0;
}
.section04 .art01 .con01 {
  font-size: 16px;
  width: 54%;
  line-height: 30px;
  border-left: 6px solid #fc4e4e;
  padding-left: 2%;
}
.section04 .art01 p {
  color: #4b4b4b;
  line-height: 30px;
  font-size: 13px;
  margin-left: 20px;
}
.section05 {
  text-align: center;
  line-height: 100px;
  font-size: 25px;
  margin-bottom: 20px;
}
.section05 article {
  color: #0483a1;
}