/* banner start */
.banner_box {
  position: relative;
  width: 100%;
  height: 270px;
  /*background: #3598ED;*/
  box-sizing: border-box;
  margin-bottom: 78px;
}

.banner_box .banner_img {
  display: block;
  width: 100%;
  margin: 0 auto;
  height: 100%;
}

.banner_box .banner_text {
  position: absolute;
  z-index: 1;
  top: 215px;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.banner_box .banner_text h3 {
  font-size: 38px;
  font-family: -win10, -win10;
  font-weight: normal;
  color: #FFFFFF;
  line-height: 49px;
}

.banner_box .banner_text .banner_icon {
  width: 70px;
  height: 157px;
}

/* banner end */

/* 筛选区 start */
.tips_box .list_box {
  display: flex;
  padding: 30px 30px 15px;
  margin-bottom: 10px;
}

.tips_box .list_box .list_l {
  font-size: 16px;
  font-family: -win10, -win10;
  font-weight: normal;
  color: #2A76FF;
  margin-right: 30px;
  line-height: 30px;
  width: 64px;
  text-align: right;
}

.tips_box .list_box .list_r {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
}

.tips_box .list_box .list_r .item {
  font-size: 14px;
  font-family: MicrosoftYaHei;
  color: #6C6D75;
  line-height: 30px;
  padding: 0 14px;
  margin: 0 3px 10px;
  cursor: pointer;
}

.tips_box .list_box .list_r .item.active {
  background: rgba(42, 118, 255, 0.1);
  border-radius: 15px;
  color: #2A76FF;
}

.tips_box .list_box.gray {
  background: #F6F7F9;
}

.tips_box .list_box.gray .list_l {
  letter-spacing: 10px;
}

.tips_box .list_box.gray .item.active {
  background: transparent;
}

.tips_box .list_box .spread {
  font-size: 16px;
  font-family: MicrosoftYaHei;
  color: #2A76FF;
  line-height: 30px;
  cursor: pointer;
}

.course_box {
  margin-top: 30px;
}

/* 筛选区 end */

/* 课程列表 start */
.course_box .list_con{
  display: flex;
  flex-wrap: wrap;
}

.course_box .list_con .item {
  width: 370px;
  height: 124px;
  background: #FFFFFF;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.06);
  border-radius: 10px;
  padding: 25px 15px;
  margin: 0 0 33px;
  margin-right: 50px;
}

.course_box .list_con .item:nth-child(3n){
  margin-right: 0;
}

.course_box .list_con .item h3 {
  font-size: 18px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  color: #191B26;
  line-height: 27px;
  overflow: hidden;
  height: 54px;
}

.course_box .list_con .item p {
  font-size: 12px;
  font-family: MicrosoftYaHei;
  color: #909090;
  line-height: 18px;
  margin: 7px 0 9px;
}

.course_box .list_con .item .item_b {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course_box .list_con .item .item_b span {
  width: 76px;
  line-height: 28px;
  background: #FFEADE;
  border-radius: 4px;
  font-size: 12px;
  font-family: MicrosoftYaHei;
  color: #FF6300;
  text-align: center;
}

.course_box .list_con .item .item_b strong {
  font-size: 30px;
  color: #FF5A2F;
  line-height: 34px;
  font-weight: bold;
}

.course_box .list_con .item .item_b strong i {
  font-size: 20px;
  color: #FF5A2F;
  line-height: 22px;
  margin-right: 7px;
}

/* 课程列表 end */


/* 缺省 start */

.course_empty {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.course_empty img {
  width: 300px;
  height: 239px;
}

.course_empty p {
  margin-top: 30px;
  font-size: 20px;
  font-family: SourceHanSansCNVF, SourceHanSansCNVF;
  font-weight: 400;
  color: #9597A2;
  line-height: 29px;
}

/* 缺省 end */