/*
* @Author: Marte
* @Date:   2019-08-06 15:40:33
* @Last Modified by:   Marte
* @Last Modified time: 2019-08-16 11:41:55
*/
.header_main {
  position: relative;
  height: 190px;
  width: 100%;
  z-index: 100;
}

input[type="text"]:focus {
  border: 1px solid #b6b7b9 !important;
}

.tab_back {
  position: relative;
  top: 0;
}

.course_main {
  width: 1112px;
  margin: 0 auto;
  min-height: 400px;
}

.course_tab {
  margin-top: 35px;
}

.course_introduce {
  color: #1e8b39;
}

.course_list {
  padding: 30px 0 66px 0;
  overflow: hidden;
}

.singe_course {
  display: inline-block;
  width: 346px;
  height: 358px;
  text-align: center;
  border: 1px solid #a6acb7;
  margin-right: 33px;
  margin-bottom: 35px;
  float: left;
}

.singe_course:hover {
  box-shadow: 1px 0px 9px 0px #c3c3c3;
}

.singe_course:nth-child(3n + 3) {
  margin-right: 0;
}

.singe_course .course_photo {
  height: 200px;
  width: 346px;
  position: relative;
  margin-bottom: 15px;
  overflow: hidden;
}

/* .course_photo img {
  width: 100%;
} */

.singe_course>p {
  margin-top: 20px;
  color: #1e8b39;
  font-size: 20px;
  font-weight: 600;
}

.student-age {
  margin: 8px 0 20px 0;
  color: #3e3a39;
  font-size: 12px;
}

// 单课程
#course_part {}

.left_part {
  display: inline-block;
  width: 832px;
  overflow: hidden;
}

.one_course .title {
  font-size: 26px;
  line-height: 24px;
  margin-bottom: 40px;
}

.left_part .one_course_img {
  margin: 25px 0;
  overflow: hidden;
}

.one_course_img img {
  margin-bottom: 20px;
}

.course_right {
  width: 166px;
  display: inline-block;
  vertical-align: top;
  margin-top: 30px;
  float: right;
  min-height: 207px;
  padding: 10px 17px 20px 17px;
  background: url(../../images/green_frame.png) no-repeat;
}

.course_right .look_other_course {
  color: #1e8b39;
}

.mt_18 {
  margin-top: 18px !important;
}

.course_right a {
  display: block;
  height: 20px;
  margin: 10px 0;
  line-height: 18px;
  border-bottom: 1px dashed #a6acb7;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course_right>a {
  line-height: 13px;
}

.look_other_course>a {
  border: 0;
  height: 16px;
  display: inline-block;
  margin-bottom: -4px;
}

// 预约课程
#enter_course {}

.enter_course {
  width: 400px;
  height: 450px;
  position: fixed;
  background-color: #fff;
  padding: 20px 50px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 201;
  border-radius: 10px;
}

.close {
  background: url(../../images/)
}

.enter_course>p {
  text-align: center;
  margin: 30px auto 40px auto;
  font-size: 30px;
  font-weight: 600;
}

.enter_course .close {
  position: absolute;
  right: 20px;
  top: 20px;
  background: url(../../images/delete_large.png) no-repeat 100%;
  display: block;
  width: 20px;
  height: 20px;
}

.enter_course input {
  width: 100%;
  border-radius: 5px;
  height: 39px;
  background-color: #e3e3e3;
  margin-bottom: 20px;
}

.enter_course .submit_btn {
  text-align: center;
  margin-top: 30px;
}

.enter_course .school_select {
  position: relative;
}

.enter_course .select {
  background: url(../../images/select_arrow.png) no-repeat;
  display: inline-block;
  height: 18px;
  width: 18px;
  position: absolute;
  right: 10px;
  top: 16px;
}

.school_list {
  background-color: #e8ecf2;
  position: absolute;
  width: 80%;
  margin-top: -20px;
  // border-radius: 6px;
}

.school_list li {
  line-height: 36px;
  text-indent: 8px;
  // border-radius: 8px;
  font-size: 14px;
}

.school_list li:hover {
  background-color: #1e8b39;
  color: #fff;
}

// 多课程
#m_course {}

.m_course {
  padding: 32px 0;
}

.m_single {
  margin: 20px 0 35px 0;
  padding-bottom: 36px;
  border-bottom: 1px dashed #dddede;
}

/* .m_single:hover {
  opacity: 0.9;
} */

.m_course>p {
  font-size: 26px;
  line-height: 24px;
  margin-bottom: 45px;
}

.m_text {
  display: inline-block;
  width: 560px;
  height: 220px;
  position: relative;
}

.m_course_img {
  margin-top: 40px;
  width: 240px;
  position: relative;
  height: 183px;
  float: right;
}

.m_text .title {
  color: #1e8b39;
  font-size: 20px;
  line-height: 28px;
  font-weight: 600;
  margin-bottom: 26px;
}

.m_text .summary {
  font-size: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  padding: 0 2px;
  // height: 84px;
  overflow: hidden;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.enter_m_course {
  margin: 0 35px 0 0;
  text-align: right;
  position: absolute;
  right: 0;
  bottom: -4px;
}

.enter_m_course img {
  height: 100%;
}

.is_border_none {
  border: 0;
}

.order_sucess {
  width: 400px;
  height: 160px;
  position: fixed;
  background-color: #fff;
  padding: 20px 50px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 201;
  border-radius: 10px;
  text-align: center;
}

.order_sucess h2 {
  color: #1e8b39;
  font-size: 32px;
  margin: 30px 0 20px 0;
  font-weight: 600;
}

.order_sucess p {
  color: #3e3a39;
  font-size: 16px;
}

.order_sucess img {
  display: block;
  position: absolute;
  top: 10px;
  right: 10px;
}

.right_bar {
  background: url(../../images/i_all_courses.png) no-repeat;
}

.to_top {
  position: fixed;
  right: 2.6rem;
  bottom: 2rem;
}