.train .banner {
  width: 100%;
  display: block;
}

.train .train-tag {
  height: 50px;
  background: #fff;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 2;
  -webkit-box-shadow: 0 4px 21px 0 rgba(227,227,227,.33);
  box-shadow: 0 4px 21px 0 rgba(227,227,227,.33);
}

.train .train-tag-all {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  height: 100%;
}

.train .train-tag-item {
  font-size: 16px;
  color: #343638;
  height: 50px;
  line-height: 50px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  cursor: pointer;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  -webkit-transition: .3s ease;
  -o-transition: .3s ease;
  transition: .3s ease;
  margin-right: 50px;
}

.train .train-tag-item:hover {
  color: #167ef7;
}

.train .train-tag .train-tag-active {
  color: #167ef7;
  border-bottom: 3px solid #167ef7;
}

.train .course-all {
  display: grid;
  grid-template-columns: 407px 407px 407px;
  grid-row-gap: 30px;
  grid-column-gap: 50px;
  margin-top: 30px;
}

.train .course-all .course-item {
  -webkit-transition: all .3s ease 0s;
  -o-transition: all .3s ease 0s;
  transition: all .3s ease 0s;
  position: relative;
  top: 0;
  cursor: pointer;
  background: #fff;
  border: 1px solid #ebecec;
  -webkit-box-shadow: 0 11px 27px 0 #eef2f8;
  box-shadow: 0 11px 27px 0 #eef2f8;
}

.train .course-all .course-item:hover {
  top: -12px;
}

.train .course-all .course-item-icon {
  height: 120px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  background: #f0f7ff;
}

.train .course-all .course-item-icon img {
  width: 98px;
}

.train .course-all .course-item-detail {
  padding: 30px 35px 20px 35px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.train .course-all .course-item-ms {
  padding-bottom: 16px;
  border-bottom: 1px solid #e5e5e5;
  letter-spacing: 1px;
}

.train .course-all .course-tag {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.train .course-all .course-tag div {
  color: #167ef7;
  border: 1px solid #167ef7;
  padding: 3px 12px 3px 12px;
  margin-bottom: 10px;
  font-size: 13px;
  margin-right: 7px;
}

.btn-blue {
  width: 131px;
  height: 30px;
  background: #167ef7;
  border-radius: 2px;
  color: #fff;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
}