/*banner*/
.skms_banner img {
  width: 100%;
}

/*标题*/
.title_big li:first-child {
  font-size: 32px;
  font-weight: bold;
  color: #333333;
  text-align: center;
}

.title_big li:last-child {
  width: 34px;
  margin: 6px auto 0;
  height: 4px;
  background: #FF4800;
}

/*专家支持,力邀业内名师定期进行专业指导*/
.zj_box {
  margin-top: 120px;
}


.zj_item {
  width: 350px;
  margin-left: 75px;
  margin-top: 50px;
}

.zj_item:nth-child(3n+1) {
  margin-left: 0;
}

.zj_item1 {
  width: 100%;
  position: relative;
}

.zj_item1 img {
  width: 100%;
}

.zj_item3 {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 12px;
  background: #FF4800;
}

.zj_item4 {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 0;
  background: rgba(0, 0, 0, .6);
  font-size: 20px;
  font-weight: 400;
  color: #FFFFFF;
  line-height: 36px;
  overflow: hidden;
  transition: all 1.5s;
  text-align: justify;
}

.zj_item4 span {
  width: 100%;
  position: absolute;
  bottom: 20px;
  padding: 0 15px;
}

.zj_item1:hover .zj_item4 {
  height: 100%;
}

.zj_item2 {
  font-size: 22px;
  font-weight: 400;
  color: #1D1D1D;
  height: 50px;
  line-height: 50px;
  text-align: center;
  letter-spacing: 1px;
}

/*名师寄语*/
.msjy_box {
  margin-top: 120px;
}

.msvideo {
  margin-top: 50px;
}

.msvideo li {
  width: 352px;
  margin-left: 72px;
  cursor: pointer;
}

.msvideo li:nth-child(3n+1) {
  margin-left: 0;
}

.msvideo li img {
  display: block;
  width: 100%;
}

.msvideo li p {
  text-align: center;
  font-size: 18px;
  font-weight: 400;
  color: #000000;
  margin: 20px 0 30px;
  letter-spacing: 1px;
}


#load {
  position: fixed;
  top: 0px;
  right: 0px;
  bottom: 0px;
  left: 0px;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1002;
  display: none;
}

#video {
  position: fixed;
  display: none;
  z-index: 1003;
  top: 0;
  left: 0;
  padding-top: 150px;
  text-align: center;
  width: 100%;
}

.closeSP {
  position: relative;
  left: 335px;
  top: 30px;
}

.closeSP:hover {
  cursor: pointer;
}

#video iframe {
  width: 700px;
  height: 530px;
}


/*授课名师*/
.teacher_box {
  margin-top: 80px;
}

.teacher_title {
  width: 900px;
  margin: 60px auto;
}

.teacher_title li {
  width: 160px;
  height: 46px;
  line-height: 46px;
  border: 1px solid #1D1D1D;
  border-radius: 2px;
  font-size: 24px;
  font-weight: 400;
  color: #1D1D1D;
  text-align: center;
  margin-left: 86px;
  cursor: pointer;
}

.teacher_title li:first-child {
  margin-left: 0;
}

.teacher_title li.active {
  background: #FF4800;
  border-color: #FF4800;
  color: #fff;
}

.teacher_con > div {
  display: none;
}

.teacher_con > div.active {
  display: block;
}

/*上*/
.teacher_top_bg {
  height: 420px;
}

.teacher_top_bg > div {
  display: none;
}

.teacher_top_bg > div.active {
  display: block;
}

.teacher_top_left {
  width: 520px;
  position: relative;
}

.teacher_name {
  position: relative;
  text-indent: 12px;
}

.teacher_name::before {
  content: '';
  width: 4px;
  height: 60px;
  background: #FF4800;
  position: absolute;
  left: 0;
  top: 10px;
  /*border-left: 4px solid #FF4800;*/
}

.teacher_name li:first-child {
  font-size: 24px;
  font-weight: 500;
  color: #1D1D1D;
  line-height: 40px;
}

.teacher_name li:last-child {
  font-size: 22px;
  font-weight: 500;
  color: #333333;
  line-height: 40px;
}

.teacher_instro {
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 40px;
  letter-spacing: 1px;
  text-align: justify;
  margin-top: 46px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.teacher_more {
  position: absolute;
  bottom: 0;
  left: 0;
}

.teacher_more a {
  width: 150px;
  display: block;
  font-size: 22px;
  color: #FFFFFF;
  line-height: 40px;
  text-align: center;
  height: 40px;
  background: -webkit-gradient(linear, 100% 0, 0 0, from(#ff4800), to(#fd6226));
  background: -webkit-linear-gradient(to right, #ff4800, #fd6226);
  background: -moz-linear-gradient(to right, #ff4800, #fd6226);
  background: -o-linear-gradient(to right, #ff4800, #fd6226);
  background: linear-gradient(to right, #ff4800, #fd6226);
  position: relative;
}

.teacher_more a::after {
  content: '';
  position: absolute;
  top: 10px;
  right: 0px;
  border: 10px solid transparent;
  border-left-color: #fff;
}

.teacher_more a:hover {
  background: -webkit-gradient(linear, 100% 0, 0 0, from(#ff4800), to(#fda426));
  background: -webkit-linear-gradient(to right, #ff4800, #fda426);
  background: -moz-linear-gradient(to right, #ff4800, #fda426);
  background: -o-linear-gradient(to right, #ff4800, #fda426);
  background: linear-gradient(to right, #ff4800, #fda426);
}

.teacher_top_rt {
  flex: 1;
  width: 0;
  position: relative;
  margin-left: 110px;
}

.teacher_circle {
  width: 314px;
  height: 314px;
  background: #FF4800;
  border-radius: 50%;
  position: absolute;
  top: 60px;
  left: -10px;
  z-index: 1;
}

.teacher_img {
  width: 280px;
  height: 420px;
  position: relative;
  z-index: 2;
}

.teacher_img img {
  width: 100%;
  height: 100%;
}

.teacher_xian {
  width: 382px;
  height: 46px;
  background: #FF4800;
  position: absolute;
  left: -51px;
  bottom: 0;
}

/*下*/
.teacher_btm_lb {
  width: 1100px;
  margin: 60px auto 0;
  position: relative;
}

.teacher_btm_lb .swiper-slide {
  background: #F7F7F7;
  height: 120px;
  padding: 0 20px;
  text-align: center;
  cursor: pointer;
}

.teacher_btm_lb img {
  width: 90%;
  transition: all .6s;
}

.teacher_btm_lb .swiper-slide:hover img {
  width: 100%;
}

.teacher_btm_lb .swiper-button-next,
.teacher_btm_lb .swiper-button-prev {
  width: 42px;
  height: 24px;
  background-color: #FF4800;
  text-align: center;
  color: #FFf;
  background-size: 10px 16px;
}

.teacher_btm_lb .swiper-button-next {
  background-image: url(/images/v1/teacher/jt2.png);
  right: -50px;
}

.teacher_btm_lb .swiper-button-prev {
  background-image: url(/images/v1/teacher/jt4.png);
  left: -50px;
}

.teacher_btm_lb .swiper-button-next.swiper-button-disabled {
  background-image: url(/images/v1/teacher/jt1.png);
}

.teacher_btm_lb .swiper-button-prev.swiper-button-disabled {
  background-image: url(/images/v1/teacher/jt3.png);
}

.teacher_btm_lb .swiper-button-next.swiper-button-disabled,
.teacher_btm_lb .swiper-button-prev.swiper-button-disabled {
  opacity: 1;
}

/*名师出高徒*/
.teastu_box {
  margin-top: 120px;
}

.teastu_con {
  position: relative;
  margin-top: 40px;

}

.teastu_con img {
  width: 100%;
}

.teastu_con .swiper-pagination {
  width: 100%;
  bottom: -60px;
}

.teastu_con .swiper-pagination-bullet {
  width: 20px;
  height: 20px;
  margin-left: 20px;
}

.teastu_con .swiper-pagination-bullet-active {
  background: #FF4800;
}

/*地区分站*/
.dq_box {
  margin-top: 100px;
}

.dq_title {
  font-size: 18px;
  font-weight: 500;
  color: #333333;
  line-height: 48px;
}

.dq_con a {
  font-size: 18px;
  font-weight: 500;
  color: #333333;
  line-height: 48px;
  margin-right: 10px;
}