.content-box {
  width: 100%;
  background: #f8f8f8;
}

.banner {
  width: 1200px;
  height: 200px;
  top: 17px;
  position: relative;
  margin: auto;
  background: url(../images/common/banner@1.png) repeat;
  background-size: 100% 100%;
}

.classfly-box {
  width: 100%;
  background: #ffffff;
  margin-top: 34px;
}

.class-content {
  width: 1200px;
  margin: auto;
  /* display: flex; */
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 20px 0;
}

.lab {
  font-size: 14px;
  color: #8c8c8c;
  font-weight: 400;
  width: 60px;
  line-height: 30px;
}

.category {
  display: flex;
}

.category-group {
  flex: 1;
}

.cate-item {
  padding: 4px 6px !important;
  font-size: 14px;
  color: #5a5d5a;
  background: none;
  border: none;
  padding: 0;
  border: none;
  background: #fff;
}

.is_active {
  background: #078380;
  color: #ffffff;
  border-radius: 2px;
}

/* 课程内容框 */
.course-box {
  width: 100%;

  background: #fff;
  margin-top: 16px;
  display: flex;
  flex-direction: column;
}

.course-group-box {
  width: 1200px;
  margin: 0 auto 52px;
  display: flex;
  flex-wrap: wrap;
}

.course-item {
  width: 211px;
  height: 219px;
  background: rgba(255, 255, 255, 1);
  box-shadow: 0px 3px 12px rgba(0, 0, 0, 0.1);
  margin-top: 38px;
  display: flex;
  flex-direction: column;
  margin-right: 26px;
}

.coures-img {
  width: 212px;
  height: 142px;
}

.coures-name {
  padding: 14px 8px 5px;
  font-size: 14px;
  color: #5a5d5a;
  display: flex;
  line-height: 20px;
}
.coures-name .name_ {
  height: 24px;
}

.tag {
  width: 44px;
  padding: 1px 6px;
  font-size: 10px;
  background: #078380;
  color: #fff;
  border-radius: 8px;
  line-height: 18px;
  margin-left: 10px;
  text-align: center;
  line-height: 20px;
}

.course-price {
  display: flex;
  justify-content: space-between;
  padding: 5px 7px 15px 16px;
  align-items: center;
}

.price_ {
  color: #f92f5c;
  font-size: 18px;
  font-weight: bold;
}

.no_free {
  font-size: 18px;
  font-weight: bold;
  color: #078380;
}

.sale_ {
  font-size: 12px;
  color: #8c8c8c;
}

.pagination-box {
  margin: auto;
}

.nodata {
  width: 100%;
  height: 200px;
  font-size: 18px;
  color: #8c8c8c;
  text-align: center;
  line-height: 200px;
}

/**课程详情**/

.breadcrumb {
  width: 1200px;
  margin: auto;
  height: 92px;
  line-height: 92px;
  background: #f8f8f8;
}

.breadcrumb a {
  color: #5a5d5a !important;
  font-size: 18px;
}

.breadcrumb > .active {
  font-size: 18px;
  color: #5a5d5a !important;
}

.coures-content {
  width: 1200px;
  height: 361px;
  background: rgba(255, 255, 255, 1);
  box-shadow: 0px 3px 12px rgba(0, 0, 0, 0.1);
  margin: auto;
  padding: 41px 91px 52px 34px;
  display: flex;
}

.course_img {
  width: 400px;
  height: 268px;
}

.course-rbox {
  margin-left: 52px;
  flex: 1;
}

.course_name {
  max-width: 600px;
  font-size: 29px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  line-height: 39px;
  color: rgba(90, 93, 90, 1);
}

.pay-box {
  display: flex;
  margin-top: 27px;
  justify-content: space-between;
  align-items: center;
}

.price {
  flex: 1;
  font-weight: bold;
  display: flex;
  align-items: center;
}

.sale-box {
  display: flex;
  align-items: center;
  font-size: 16px;
  color: #8c8c8c;
}

.c_07 {
  color: #078380 !important;
}

.bot-box {
  width: 100%;
  height: 121px;
  display: flex;
  justify-content: flex-end;
  flex-direction: column;
}

.bot-box a {
  text-decoration: none;
  color: #fff !important;
}

.buy-box {
  width: 100%;
  height: 39px;
  display: flex;
}

.buy-btn {
  width: 145px;
  height: 39px;
  background: rgba(255, 0, 0, 1);
  border-radius: 5px;
  text-align: center;
  line-height: 39px;
  font-size: 16px;
  color: #fff;
}

.shop_cart {
  font-size: 14px;
  color: #8c8c8c;
  margin-left: 27px;
  height: 39px;
  line-height: 60px;
}

.ml_18 {
  margin-left: 18px;
}

.add-cart {
  background: #ff9933 !important;
  border: none !important;
}

.yet-btn {
  margin-top: 15px;
  background: #169bd5;
}

.yet-btn a {
  text-decoration: none;
}

/* tab-bar */
ul {
  list-style: none;
  margin-bottom: 1px;
}

a {
  text-decoration: none;
}

.tab-box {
  height: auto;
  /* overflow: hidden; */
  width: 100%;
  margin: auto;
}

.nav-tab {
  width: 1200px;
  /* overflow: hidden; */
  position: relative;
  margin: 49px auto 0;
}

.nav-tab ul {
  width: 600px;
  display: flex;
  justify-content: space-between;
  margin: auto;
}

.nav-tab:after {
  content: "";
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  height: 1px;
  background-color: #707070;
  z-index: 2;
  opacity: 0.3;
}

.nav-tab:before {
  content: "";
  position: absolute;
  width: 100%;
  left: 0;
  bottom: 0;
  height: 1px;
  background-color: #707070;
  z-index: 2;
  opacity: 0.3;
}

.nav-tab a:after {
  content: "";
  display: inline-block;
  width: 0;
  height: 100%;
  vertical-align: middle;
}

.nav-tab ul li {
  white-space: nowrap;
  font-size: 14px;
  text-align: center;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  position: relative;
  padding: 11px 24px 0;
}

.nav-tab ul li.active {
  border-bottom-color: #078380;
  color: #757575;
}

.cont {
  display: none;
}

.cont.active {
  display: block;
}

.cont-box {
  width: 1200px;
  margin: 0 auto 54px;
}

/* 子集 */
.coures-title {
  width: 100%;
  margin-top: 19px;
  display: flex;
  align-items: center;
}

.coures-title .line_ {
  width: 4px;
  height: 15px;
  background: rgba(7, 131, 128, 1);
  margin-right: 8px;
}

.child-navbar {
  width: 100%;
  height: 89px;
  display: flex;
  justify-content: center;
}

.child-group {
  width: 183px;
  height: 35px;
  background: rgba(255, 255, 255, 1);
  border: 1px solid rgba(140, 140, 140, 1);
  border-radius: 6px;
  display: flex;
  align-items: center;
}

.c_item {
  width: 50%;
  height: 35px;
  line-height: 35px;
  color: #969696;
  text-align: center;
}

.c_active {
  background-color: #078380;
  color: #fff;
}

.bora_1 {
  border-radius: 6px 0 0 6px;
}

.bora_2 {
  border-radius: 0 6px 6px 0;
}

.child-cont {
  display: none;
  width: 1200px;
  padding: 69px 142px 65px;
  background-color: #fff;
}

.child-cont.active {
  display: block;
}

.cos-box {
  width: 100%;
  border-bottom: 1px solid #f1f1f1;
  padding: 12px 0;
}

.cos-topbox {
  display: flex;
}

.cos-topbox .cos-img {
  width: 94px;
  height: 126px;
}

.cos-topbox .cos-rbox {
  flex: 1;
  margin-left: 32px;
}

.cos-name {
  max-width: 600px;
  font-size: 26px;
  color: #3c3c3c;
}

.expand-box {
  background-color: #e6e6e6;
  padding: 7px 12px;
  color: #3c3c3c;
  font-size: 16px;
  font-family: Microsoft YaHei;
  width: 106px;
  border-radius: 6px;
  margin-top: 27px;
  cursor: pointer;
}

.cos-content-box {
  width: 100%;
  margin-top: 48px;
  background-color: #fff;
  display: none;
}

.cos-item {
  display: flex;
  align-items: center;
  margin-bottom: 27px;
}

.section-box {
  width: 697px;
  display: flex;
  align-items: center;
}
.cos-item:hover .sec-index {
  background: #ff9933;
  color: #fff;
}
.cos-item:hover .sec-name {
  color: #ff9933;
}

.section-box .sec-index {
  width: 41px;
  height: 28px;
  background: rgba(230, 230, 230, 1);
  border-radius: 15px;
  text-align: center;
  line-height: 28px;
  font-size: 22px;
  color: #3c3c3c;
}

.section-box .sec-name {
  flex: 1;
  font-size: 21px;
  color: #3c3c3c;
  margin-left: 18px;
  cursor: pointer;
}

.btn-group {
  display: flex;
  justify-content: space-between;
}

.btn-group .btn_ {
  padding: 4px 20px;
  border: 1px solid #fff;
  text-align: center;
  border-radius: 6px;
  font-size: 18px;
}

.can-play {
  background-color: #ff9933 !important;
  color: #fff !important;
}
.can-exercise {
  background-color: #ff9933 !important;
  color: #fff !important;
}

.bg2 {
  background-color: #e6e6e6;
  color: #3c3c3c !important;
  border: none !important;
}

.dont-play {
  background-color: #fff !important;
  color: #3c3c3c !important;
  border: 1px solid #3c3c3c !important;
}

.ml_21 {
  margin-left: 21px;
}

/**课程详情 S**/
.paly-content {
  /* position: relative; */
  width: 1200px;
  height: 563px;
  display: flex;
  margin: 0 auto 64px;
}

.play-breadcrumb {
  height: 72px !important;
  line-height: 72px !important;
}

.breadcrumb > li + li:before {
  content: ">";
}

.video-content {
  width: 810px;
  height: 563px;
  background: rgba(255, 255, 255, 1);
  margin-right: 12px;
}
.paly-content .video-msg{
  position: absolute;
  opacity: 0.7;
  border-radius: 5px;
  background-color: black;
  color: white;
  width: 160px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  left: 40%;
  top: 57%;
  margin-left: -80px;
  margin-top: -25px;
  /* visibility: hidden; */
  display: none;
}

/*左侧导航菜单    home*/
.sideMenu {
  width: 380px;
  height: 563px;
  background: rgba(31, 31, 31, 1);
  opacity: 1;
  overflow-y: scroll;
  padding: 23px 12px 20px;
}

.sideMenu .coures_name {
  color: #fff;
  font-size: 20px;
  font-weight: bold;
}

.sideMenu::-webkit-scrollbar {
  /*隐藏滚轮*/
  display: none;
}

.sideMenu ul {
  padding-left: 0 !important;
  margin-top: 23px;
}

.sideMenu .title_ {
  height: 32px;
  line-height: 32px;
  cursor: pointer;
  font-family: "Microsoft YaHei";
  font-size: 14px;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sideMenu .title_ .explain {
  width: 49px;
  height: 23px;
  border: 1px solid rgba(255, 255, 255, 1);
  text-align: center;
  color: #fff;
  font-size: 14px;
  line-height: 22px;
  border-radius: 6px;
}

.sideMenu ul .nLi {
  margin-bottom: 20px;
}

.sideMenu ul .nLi.on .sub {
  display: block;
}

.sideMenu ul .nLi .sub {
  padding: 8px 0;
  color: #fff;
  display: none;
  margin-top: 0;
}

.sideMenu ul .nLi .sub li {
  height: 30px;
  line-height: 30px;
  list-style: none;
  text-indent: 14px;
}

/* .sideMenu ul .nLi .sub li a {
  display: block;
  width: 100%;
  height: 100%;
  font-family: "Microsoft YaHei";
  font-size: 14px;
  color: #fff;
  text-decoration: none;
  box-sizing: border-box;
} */

.sideMenu .coures-item {
  display: flex;
  align-items: center;
}

.sideMenu .coures-item .name_ {
  flex: 1;
  font-size: 12px;
  color: #8c8c8c;
}
.white_color {
  color: #fff !important;
}

.coures-group-btn {
  display: flex;
  align-items: center;
  width: 80px;
  margin-left: 10px;
}
.play-btn {
  padding: 0 4px;
  background-color: #ffffff;
  border-radius: 4px;
  text-align: center;
  line-height: 20px;
  font-size: 10px;
  color: #1f1f1f;
  text-indent: 0px;
  border: none;
  cursor: pointer;
}
.noBuy {
  padding: 0 4px;
  background-color: #ffffff;
  border-radius: 4px;
  text-align: center;
  line-height: 20px;
  font-size: 10px;
  color: #1f1f1f;
  text-indent: 0px;
  border: none;
  cursor: pointer;
}
.curr_play {
  background: rgba(254, 171, 33, 1) !important;
}

.play_2 {
  background: rgba(254, 171, 33, 1) !important;
}
.old_see {
  background: #feab21;
}

.emigrated-btn {
  padding: 0 6px;
  border: 1px solid rgba(255, 255, 255, 1);
  border-radius: 4px;
  text-align: center;
  line-height: 20px;
  font-size: 10px;
  color: #1f1f1f;
  color: #fff;
  text-indent: 0px;
  background-color: #1f1f1f;
  border: 1px solid #fff !important;
  cursor: pointer;
  margin-left: 4px;
}

.succ_ {
  border: 1px solid #feab21 !important;
  color: #ff9933;
}

.video-title {
  width: 1200px;
  margin: 10px auto;
}

.video-title h3 {
  width: 960px;
}

.texter {
  height: 28px;
  line-height: 28px;
}

.texter:after {
  content: " ... ";
  position: absolute;
  bottom: 0;
  right: 0;
  padding-left: 10px;
  background: -webkit-linear-gradient(left, transparent, #fff 40%);
  /* Safari 5.1-6.0 */
  background: -o-linear-gradient(left, #fff 50%);
  /* Opera 11.1-12.0 */
  background: -moz-linear-gradient(left, #fff 50%);
  /* Firefox 3.6-15 */
  background: linear-gradient();
  /* 标准语法 */
}

/*评价*/
.evaluate-box {
  width: 100%;
  display: flex;
  flex-direction: column;
}
.evaluate-box ul {
  margin-top: 12px;
}
.evaluate-box li {
  float: left;
  margin-right: 2px;
}

.evaluate-box li {
  display: block;
  width: 60px;
  height: 30px;
  text-align: center;
  border-radius: 12px;
  line-height: 30px;
  margin-right: 24px;
}

.evaluate-box li:hover {
  background: #078380;
  color: #fff;
}

.evaluate-box ul li.active {
  background: #078380;
  color: #fff;
}
.tabs_container {
  margin-top: 24px;
}
.tab-cont {
  display: none;
  width: 100%;
  padding: 20px;
}
.tab-cont.active {
  display: block;
}

.ev-item {
  width: 100%;
  border-bottom: 1px solid #f1f1f1;
  padding: 12px 15px;
  display: flex;
}
.ev-header {
  width: 80px;
  height: 80px;
  border-radius: 50%;
}
.ev-rbox {
  margin-left: 12px;
  flex: 1;
}
.ev-user-box {
  font-size: 16px;
  color: #333;
  display: flex;
  font-weight: bold;
  justify-content: space-between;
}
.wd_max_400 {
  max-width: 300px;
  margin-right: 12px;
}
.user-name-star {
  display: flex;
  align-items: center;
}

.ev-time {
  font-size: 14px;
  font-weight: 400;
  color: #b4b4b4;
}
.ev-content {
  padding: 15px 0;
  font-size: 14px;
  color: #333333;
}

.star-box {
  position: relative;
  width: 300px;
  height: 22px;
  background: url(../images/course/grade_star.png?v1) no-repeat;
  background-position-y: 100%;
  background-size: 130px auto;
  overflow: hidden;
}
.star-box:before,
.star-box-5:before {
  position: absolute;
  content: " ";
  display: block;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: url(../images/course/grade_star.png?v1) no-repeat;
  background-size: 130px auto;
}
.star-box-1:before {
  left: -110px;
}
.star-box-2:before {
  left: -82px;
}
.star-box-3:before {
  left: -55px;
}
.star-box-4:before {
  left: -27px;
}
