.w1200 {
  width: 1200px;
  margin: 0 auto;
}
.w_50 {
  width: 50%;
}
.h309 {
  height: 309px;
}
.h50 {
  height: 50px;
}
.h360 {
  height: 360px;
}
.h385 {
  height: 385px;
}
.h540 {
  height: 540px;
}
.pdt11 {
  padding-top: 11px;
}
.pdt40 {
  padding-top: 40px;
}
.pdt50 {
  padding-top: 50px;
}
.pdt45 {
  padding-top: 45px;
}
.mgt5 {
  margin-top: 5px;
}
.mgt8 {
  margin-top: 8px;
}
.mgt10 {
  margin-top: 10px;
}
.mgt12 {
  margin-top: 12px;
}
.mgt30 {
  margin-top: 30px;
}
.mgt36 {
  margin-top: 36px;
}
.mgt40 {
  margin-top: 40px;
}
.mgl8 {
  margin-left: 8px;
}
.mgl40 {
  margin-left: 40px;
}
.mgl52 {
  margin-left: 52px;
}
.mgr12 {
  margin-right: 12px;
}
.mgr30 {
  margin-right: 30px;
}
.mglr20 {
  margin-left: 20px;
  margin-right: 20px;
}
.c309AEB {
  color: #309AEB;
}
.c4991e1 {
  color: #4991e1;
}
.cFE9393 {
  color: #FE9393;
}
.c60DEAA {
  color: #60DEAA;
}
.c9DD4FF {
  color: #9DD4FF;
}
.c1E8CF5 {
  color: #1E8CF5;
}
.bgfff {
  background-color: #fff;
}
.bgF6F6F6 {
  background-color: #F6F6F6;
}
.bgF4F4F4 {
  background-color: #F4F4F4;
}
.lh22 {
  line-height: 22px;
}
.lh20 {
  line-height: 20px;
}
.lh25 {
  line-height: 25px;
}
.lh28 {
  line-height: 28px;
}
.lh30 {
  line-height: 30px;
}
.lh34 {
  line-height: 34px;
}
.lh40 {
  line-height: 40px;
}
.f22 {
  font-size: 22px;
}
.f28 {
  font-size: 28px;
}
.fwb {
  font-weight: bold;
}
a:hover {
  color: #4380c7;
}
.ellipsis {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ellipsis_2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  overflow: hidden;
  -webkit-line-break: auto;
  -webkit-box-orient: vertical;
}
.classes_title_wrap {
  position: relative;
}
.classes_title_wrap .title_class_more {
  width: 21px;
  height: 5px;
  padding: 12px 5px;
  background: url('../images/index_v7/icon_title_more_bg.png') center no-repeat;
  background-size: 21px 5px;
  cursor: pointer;
  transition: all 0.3s;
}
.classes_title_wrap .title_class_more:hover {
  transform: scale(1.06);
  transition: all 0.3s;
}
.content_1200 {
  position: relative;
  width: 1200px;
  height: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}
.banner_wrap {
  position: relative;
  width: 100%;
  height: 300px;
}
.banner_wrap .banner_href {
  display: block;
  width: 100%;
  height: 100%;
}
.banner_wrap .banner_tips {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 34px;
  background-color: rgba(0, 0, 0, 0.15);
  text-align: center;
  z-index: 102;
}
.banner_wrap .banner_tips .tips_wrap {
  position: relative;
  width: 1200px;
  height: 34px;
  margin: 0 auto;
  padding-top: 1px;
  padding-bottom: 1px;
  padding-left: 23px;
  background: url('../images/index_v7/icon_tips_bg.png') left center no-repeat;
  background-size: 18px;
  font-size: 12px;
  color: #888;
  line-height: 18px;
  box-sizing: border-box;
  overflow: hidden;
}
.banner_wrap .banner_tips .tips_wrap .close {
  position: absolute;
  top: 0;
  right: 0;
  content: '';
  width: 11px;
  height: 11px;
  padding: 12px;
  background: url('../images/index_v7/icon_close_bg.png') center no-repeat;
  background-size: 11px;
  cursor: pointer;
}
.banner_wrap .banner_tips .tips_wrap .tips_list li {
  height: 32px;
  text-align: left;
  color: #fff;
  line-height: 32px;
}
.banner_wrap .swiper-container {
  height: 300px;
}
.school_list .school_item {
  width: 384px;
  padding-bottom: 30px;
  margin-right: 24px;
  background-color: #fff;
}
.school_list .school_item:last-of-type {
  margin-right: 0;
}
.school_list .school_item .school_info {
  position: relative;
}
.school_list .school_item .school {
  width: 384px;
  height: 160px;
  padding-top: 24px;
  background-color: #F1F9FF;
  border-radius: 4px 4px 0px 0px;
  box-sizing: border-box;
}
.school_list .school_item .school .school_logo {
  width: 80px;
  height: 80px;
  margin-left: 20px;
  border-radius: 50%;
}
.school_list .school_item .info {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 33px;
  width: 100%;
  padding-top: 8px;
  background-color: rgba(0, 0, 0, 0.31);
  box-sizing: border-box;
}
.school_list .school_item .info span {
  display: inline-block;
  line-height: 17px;
  color: #fff;
  font-size: 12px;
}
.school_list .school_item .info span .icon {
  display: inline-block;
  width: 14px;
  height: 15px;
  margin-right: 10px;
  background: url('../images/index_v7/icon_class_num_bg.png') center no-repeat;
  background-size: cover;
  vertical-align: middle;
}
.school_list .school_item .info .more_class {
  color: #fff;
}
.school_list .school_item .class_list_score,
.school_list .school_item .class_list_score_02,
.school_list .school_item .class_list_score_03 {
  height: 94px;
  margin-top: 26px;
  overflow: hidden;
}
.school_list .school_item .class_list {
  padding-left: 20px;
  padding-right: 15px;
}
.school_list .school_item .class_list .class_item {
  height: 20px;
  margin-bottom: 17px;
}
.school_list .school_item .class_list .class_item a {
  display: block;
  color: #222;
  font-size: 14px;
  line-height: 20px;
}
.school_list .school_item .class_list .class_item a:hover {
  color: #4380c7;
}
.school_list .school_item .class_list .class_item a .name {
  max-width: 85%;
  overflow: hidden;
}
.school_list .school_item .class_list .class_item a .icon {
  display: inline-block;
  width: 19px;
  height: 19px;
  margin-right: 8px;
  background: url('../images/index_v7/icon_class_play_bg_02.png') center no-repeat;
  background-size: cover;
  vertical-align: middle;
}
.teacher_list.classes .teacher_item {
  width: 224px;
  height: 300px;
  padding-top: 25px;
  padding-right: 18px;
  padding-left: 18px;
  margin-right: 20px;
}
.teacher_list.classes .teacher_item .teacher_photo {
  width: 88px;
  height: 88px;
  border-radius: 50%;
}
.teacher_list.classes .teacher_item .class {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 7px 10px;
  border-radius: 4px;
  background-color: #E8F3FF;
  box-sizing: border-box;
}
.teacher_list.classes .teacher_item .class_details {
  border-top: none;
  margin-top: 10px;
  padding-top: 0;
  font-size: 14px;
  -webkit-line-clamp: 4;
}
.teacher_list .teacher_item {
  position: relative;
  width: 282px;
  height: 310px;
  margin-right: 24px;
  padding-top: 45px;
  padding-left: 26px;
  padding-right: 26px;
  border-radius: 4px;
  background-color: #fff;
  border: 1px solid transparent;
  box-sizing: border-box;
  transition: border-color 0.3s;
}
.teacher_list .teacher_item:hover {
  border-color: #4991e1;
  transition: border-color 0.5s;
}
.teacher_list .teacher_item:last-of-type {
  margin-right: 0;
}
.teacher_list .teacher_item .types {
  position: absolute;
  top: 15px;
  left: 15px;
  padding: 2px 9px;
  border-radius: 222px;
  background-color: rgba(0, 164, 255, 0.11);
  font-size: 14px;
  color: #00A4FF;
  line-height: 20px;
}
.teacher_list .teacher_item .teacher_photo {
  width: 110px;
  height: 110px;
  border-radius: 50%;
}
.teacher_list .teacher_item .class {
  display: block;
}
.teacher_list .teacher_item .class_details {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #E8F3FF;
  line-height: 17px;
  color: #888;
  font-size: 12px;
  text-align: left;
  text-indent: 26px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  overflow: hidden;
  -webkit-box-orient: vertical;
}
.class_wrap .banner_wrap {
  height: 360px;
  background-color: #EDF2F3;
  background: #EDF2F3 url('../images/course_v7/banner_class_bg_01.png') center no-repeat;
}
.course_wrap {
  position: relative;
  width: 230px;
  height: 100%;
  background-color: #5C7D94;
}
.course_wrap.h360 {
  height: 360px;
}
.course_wrap .course_item {
  width: 100%;
  height: 60px;
  border-bottom: 1px solid #6B899D;
  padding-left: 26px;
  box-sizing: border-box;
  transition: all 0.3s;
}
.course_wrap .course_item:first-of-type {
  padding-left: 19px;
}
.course_wrap .course_item:first-of-type::before {
  display: none;
}
.course_wrap .course_item:hover {
  background: #4f738c;
  transition: all 0.3s;
}
.course_wrap .course_item:hover .course_class_wrap {
  display: block;
  transition: all 0.3s;
}
.course_wrap .course_item a {
  display: block;
  width: 100%;
  height: 100%;
}
.course_wrap .course_item a span {
  display: block;
  line-height: 59px;
  color: #fff;
  font-size: 18px;
}
.course_wrap .course_item .title {
  padding-top: 19px;
  height: 22px;
  line-height: 22px;
  color: #fff;
  font-size: 16px;
  font-weight: normal;
}
.course_wrap .course_item .icon {
  display: inline-block;
  width: 42px;
  height: 100%;
}
.course_wrap .course_item .icon.xq {
  background: url('../images/course_v7/icon_course_bg_xq.png') center left no-repeat;
  background-size: 25px 26px;
}
.course_wrap .course_item .icon.xx {
  background: url('../images/course_v7/icon_course_bg_xx.png') center left no-repeat;
  background-size: 26px 24px;
}
.course_wrap .course_item .icon.cz {
  background: url('../images/course_v7/icon_course_bg_cz.png') center left no-repeat;
  background-size: 25px 24px;
}
.course_wrap .course_item .icon.gz {
  background: url('../images/course_v7/icon_course_bg_gz.png') center left no-repeat;
  background-size: 27px 19px;
}
.course_wrap .course_item .icon.zxx {
  background: url('../images/course_v7/icon_course_bg_zxx.png') center left no-repeat;
  background-size: 23px 21px;
}
.course_wrap .course_item .icon_more {
  position: relative;
  top: 22px;
  right: 20px;
  width: 9px;
  height: 15px;
  background: url('../images/course_v7/icon_right_more_bg.png') center no-repeat;
  background-size: cover;
}
.course_wrap .course_item .course_class_wrap {
  display: none;
  position: absolute;
  left: 230px;
  bottom: 0;
  width: 650px;
  height: 295px;
  min-height: 302px;
  background: url('../images/course_v7/homeNav_bg.png');
  transition: all 0.3s;
  overflow-y: auto;
}
.course_wrap .course_item .course_class_wrap .project_list {
  width: 100%;
  padding-left: 30px;
  padding-top: 6px;
  box-sizing: border-box;
}
.course_wrap .course_item .course_class_wrap .project_list .item {
  width: 33.3%;
  height: 48px;
  padding: 9px0;
  line-height: 48px;
  box-sizing: border-box;
}
.course_wrap .course_item .course_class_wrap .project_list .item a {
  display: inline-block;
  height: 30px;
  width: auto;
  padding: 0 12px;
  border-radius: 4px;
  line-height: 30px;
  font-size: 16px;
  font-weight: normal;
  color: #daf0ff;
}
.course_wrap .course_item .course_class_wrap .project_list .item a:hover {
  background: #3b4444;
}
.course_class_wrap::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 5px;
  /*高宽分别对应横竖滚动条的尺寸*/
  height: 1px;
}
.course_class_wrap::-webkit-scrollbar-thumb {
  /*滚动条里面小方块*/
  border-radius: 5px;
  box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.15);
  background: #535353;
}
.course_class_wrap::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
  box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.15);
  border-radius: 5px;
  background: #ededed;
}
.join_class {
  background-color: #E8F3FF;
  height: 34px;
}
.join_class a {
  display: block;
  font-size: 16px;
  line-height: 34px;
  color: #4991E1;
  text-align: center;
}
.join_class a i {
  display: inline-block;
  width: 15px;
  height: 14px;
  margin-right: 3px;
  background: url('../images/course_v7/icon_join_class_bg.png') center no-repeat;
  background-size: cover;
  vertical-align: middle;
}
.classes_title_wrap {
  position: relative;
}
.classes_title_wrap .title_class_more {
  width: 21px;
  height: 5px;
  padding: 12px 5px;
  background: url('../images/course_v7/icon_title_more_bg.png') center no-repeat;
  background-size: 21px 5px;
  cursor: pointer;
  transition: all 0.3s;
}
.classes_title_wrap .title_class_more:hover {
  transform: scale(1.06);
  transition: all 0.3s;
}
.classes_list {
  position: relative;
  padding-top: 3px;
  line-height: 24px;
  padding-bottom: 3px;
}
.classes_list .title {
  color: #222;
  font-size: 22px;
}
.classes_list .classes_item {
  padding: 0 10px;
  margin: 0 3px;
  color: #555;
  font-size: 16px;
  cursor: pointer;
}
.classes_list .classes_item.on {
  color: #fff;
  background-color: #4991e1;
  border-radius: 3px;
}
.online_play_list .online_item {
  width: 380px;
  margin-right: 30px;
  background-color: #fff;
  border-radius: 4px;
}
.online_play_list .online_item:last-of-type {
  margin-right: 0;
}
.online_play_list .online_item .online_info {
  padding: 25px;
}
.online_play_list .online_item .online_info .photo {
  position: relative;
}
.online_play_list .online_item .online_info .photo img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
}
.online_play_list .online_item .online_info .photo .name {
  position: absolute;
  left: 14px;
  bottom: -17px;
  width: 62px;
  height: 22px;
  border-radius: 11px;
  line-height: 22px;
  color: 14px;
  color: #fff;
  text-align: center;
  background: linear-gradient(90deg, #4191FF 0%, #45C6FF 100%);
}
.online_play_list .online_item .online_info .info {
  width: calc(100% - 110px);
  padding-top: 10px;
}
.online_play_list .online_item .online_info .info p.mgt12 i {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 10px;
  vertical-align: middle;
}
.online_play_list .online_item .online_info .info p.mgt12 i.type {
  background: url('../images/course_v7/icon_online_type.png') center no-repeat;
  background-size: cover;
}
.online_play_list .online_item .online_info .info p.mgt12 i.time {
  background: url('../images/course_v7/icon_online_time.png') center no-repeat;
  background-size: cover;
}
.online_play_list .online_item .online_status {
  height: 38px;
  border-radius: 0 0 4px 4px;
  text-align: center;
  font-size: 16px;
  line-height: 38px;
}
.online_play_list .online_item .online_status i {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: 10px;
  margin-top: -3px;
  vertical-align: middle;
  background: url('../images/course_v7/icon_online_living.png') center no-repeat;
  background-size: contain;
}
.online_play_list .online_item .online_status.living {
  color: #fff;
  background-color: #4991E1;
}
.online_play_list .online_item .online_status.wating {
  color: #555;
  background-color: #E6E6E6;
}
.online_play_list .online_item .online_status.wating i {
  background: url('../images/course_v7/icon_online_wating.png') center no-repeat;
  background-size: contain;
}
.online_play_list .online_item .online_status.ending {
  color: #fff;
  background-color: #aaa;
}
.online_play_list .online_item .online_status.ending i {
  background: url('../images/course_v7/icon_online_ending.png') center no-repeat;
  background-size: contain;
}
.net_class_list .net_class_item {
  width: 224px;
  margin-right: 20px;
}
.net_class_list .net_class_item a {
  display: block;
}
.net_class_list .net_class_item:last-of-type {
  margin-right: 0;
}
.net_class_list .net_class_item:hover .name {
  color: #4380C7;
  transition: color 0.3s;
}
.net_class_list .net_class_item img {
  width: 100%;
  height: 168px;
}
.net_class_list .net_class_item .net_info {
  margin-top: 8px;
}
.net_class_list .net_class_item .net_info .name {
  transition: color 0.3s;
}
.net_class_list .net_class_item .net_info .name.long_name {
  min-height: 44px;
}
.net_class_list .net_class_item .net_info .school {
  line-height: 17px;
}
.space_wrap {
  padding-top: 30px;
  background-color: #F6F6F6;
  box-sizing: border-box;
}
.space_wrap .space_list .space_item {
  width: 248px;
  padding: 7px 16px 20px;
  margin-right: 18px;
  box-sizing: border-box;
  background-color: #fff;
  border-radius: 4px;
  text-align: center;
}
.space_wrap .space_list .space_item .space_name {
  margin-top: 4px;
  padding-top: 3px;
  border-top: 1px solid #e1e1e1;
}
.space_wrap .space_list .space_item .user_wrap {
  background-color: #E8F3FF;
}
.space_wrap .space_list .space_item .user_list {
  margin-top: 9px;
  padding: 8px 0 0 5px;
  background-color: #D3E7FF;
  border-radius: 4px 4px 0px 0px;
  box-sizing: border-box;
}
.space_wrap .space_list .space_item .user_list a {
  display: block;
  width: 41px;
  height: 41px;
  margin: 1px 14px 6px;
  box-sizing: border-box;
}
.space_wrap .space_list .space_item .user_list a img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.space_wrap .space_list .space_item .main_user {
  text-align: center;
  border-radius: 4px;
}
.space_wrap .space_list .space_item .main_user.mgt9 {
  margin-top: 9px;
}
.space_wrap .space_list .space_item .main_user img {
  display: inline-block;
  width: 73px;
  height: 73px;
  margin: 0 auto;
  border-radius: 50%;
}
.space_wrap .space_list .space_item .main_user .flex {
  display: flex;
  align-items: center;
}
.space_wrap .space_list .space_item .main_user .flex img {
  margin-right: 7px;
  margin-left: 12px;
}
.space_wrap .space_list .space_item .main_user .name {
  display: block;
  color: #1E8CF5;
}
.space_wrap .space_list .space_item .main_user .name.maxw112 {
  max-width: 112px;
  text-align: left;
}
.space_wrap .space_list .space_item .main_user .shcool {
  margin-top: 2px;
  padding-bottom: 6px;
}
.space_wrap .space_list .space_item .main_user .school_stu {
  margin-top: 7px;
  padding-left: 11px;
  padding-right: 13px;
}
.space_wrap .space_list .space_item .main_user .school_stu p {
  padding: 3px 37px;
  background: linear-gradient(90deg, #4083FF 0%, #4083FF 22%, #45C8FF 100%);
  border-radius: 24px;
}
.space_wrap .work_room {
  width: 402px;
  height: 325px;
  padding: 21px 20px 12px;
  border-radius: 4px;
  background-color: #fff;
  box-sizing: border-box;
}
.space_wrap .work_room .room_wrap {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.space_wrap .user_list {
  width: 100%;
}
.space_wrap .user_list .user_item {
  height: 60px;
  margin-bottom: 16px;
}
.space_wrap .user_list .user_item img {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  margin-right: 14px;
}
.space_wrap .user_list .user_item .wrok_room_info {
  width: calc(100% - 65px);
  height: 60px;
  border-bottom: 1px solid #F6F6F6;
}
.space_wrap .user_list .user_item .wrok_room_info .tit {
  height: 22px;
}
.space_wrap .user_list .user_item .wrok_room_info .tit .room_name {
  margin-left: 8px;
  padding-top: 4px;
  font-size: 12px;
  color: #95B0CA;
  line-height: 17px;
}
.space_wrap .user_list .user_item .wrok_room_info .tit .time {
  font-size: 12px;
  color: #888;
  line-height: 22px;
}
.space_wrap .user_list .user_item .wrok_room_info .details {
  line-height: 17px;
}
.case_wrap {
  border-bottom: 1px solid #A9AEB2;
}
.case_wrap .case_list {
  padding: 20px 0;
  margin-left: -20px;
}
.case_wrap .case_list .case_item {
  width: 285px;
  height: 134px;
  margin: 10px 0 10px 20px;
  background-color: #EAE0FC;
}
.case_wrap .case_list .case_item a {
  display: block;
}
.case_wrap .case_list .case_item a img {
  width: 100%;
  height: 100%;
}
.content_1200.class {
  z-index: 9;
  height: 0;
}
.banner_show {
  position: absolute;
  height: 100%;
  width: 100%;
  background-color: #EDF2F3;
}
.banner_show .swiper-container {
  height: 100%;
}
.banner_show .swiper-pagination-bullet {
  background-color: transparent;
  border: 2px solid #fff;
  opacity: 1;
}
.banner_show .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: #fff;
}
.content_wrap_bg {
  background: url('../images/course_v7/classes_content_bg.png') center no-repeat;
  background-position-y: 260px;
}


/* 我学习的课程 begin */
.content_wrap_bgv2{
  background: url('../images/course_v7/classes_content_bg.png') center no-repeat;
  background-position-y: 542px;
}
.m_myclass{ margin: 20px -20px 0 0;}
.m_myclass li{ float: left; width:224px; margin-right: 20px;}
.m_myclass li a{ display: block;}
.m_myclass li a:hover .name{ color:#4380C7;}
.m_myclass li .photo{ display: block; width: 100%; height: 124px;}
.m_myclass li .name{ font-size:16px; font-weight: normal; line-height: 22px; height: 22px; color:#222; margin-top:8px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;}
.m_myclass .study_plan{ height:24px; margin-top:10px;}
.m_myclass .plan{ width: 100px; height: 10px; margin-top:7px; border-radius: 5px; background: #E8F3FF; position: relative;}
.m_myclass .plan em{ position: absolute; height: 10px; background:#498EE1; border-radius: 5px;}
.m_myclass .study_btn{ width: 62px; height: 22px; border: #4991E1 solid 1px; text-align: center; line-height: 22px; font-size:12px; color: #4991E1; border-radius: 4px;}
.m_myclass .rig{ line-height: 24px; font-size: 12px;}
.m_myclass  .blue{ color:#4991E1;}
.m_myclass  .gray{ color: #888;}
.m_myclass .plan{ width: 100px; height: 10px; margin-top:7px; border-radius: 5px; background: #E8F3FF; position: relative;}
.m_myclass .study_btn:hover{ background: #E8F3FF;}

.site_nocont{ height: 310px; background: #fff;}
.site_nocont img{ display: block; margin: 0  auto; padding-top:42px;}
.site_nocont .txt{ text-align: center; font-size:16px; color: #555; margin-top: 20px;}
/* 我学习的课程 end */