.course-head {
  position: relative;
  height: 508px;
  color: #fff;
  overflow-y: visible;
  overflow-x: hidden;
}
.course-head .course-pic {
  position: absolute;
  left: 50%;
  width: 3000px;
  margin-left: -1500px;
  text-align: center;
  z-index: -1;
}
.course-head .body {
  position: relative;
}
.course-head .body .course-title{
  color: #fff;
}
.course-head .body .course-title .course-self-img {
  width: 35px;
  height: 18px;
  margin-right: 10px;
  display: inline-block;
}
.course-head .info {
  padding-top: 90px;
  padding-left: 602px;
  font-size: 15px;
}
.course-head .info p {
  margin-bottom: 12px;
}
.course-head .info em {
  color: #ffe400;
  margin: 0 2px;
  font-weight: 700;
}
.course-head .info.info-video .ct {
  display: inline-block;
  *display: line;
  zoom: 1;
  vertical-align: middle;
}
.course-head .info.info-video.info-presell,
.course-head .info.info-video.info-waitsale {
  padding-left: 502px;
}
.course-head .info.info-video .pay a {
  width: 49.5%;
}
.course-head .info.info-without-video .ct {
  position: absolute;
  right: 16px;
  top: 10px;
}
.course-head .info.info-without-video .ct.pos1 {
  top: 18px;
}
.course-head .info.info-presell .relation,
.course-head .info.info-waitsale .relation {
  margin-bottom: 0;
}
.course-head h1 {
  font-size: 30px;
  line-height: 36px;
  margin-bottom: 17px;
  font-weight: normal;
}
.course-head .pay {
  position: relative;
  margin-bottom: 12px;
}
.course-head .pay .style-box {
  overflow: hidden;
  border-radius: 2px;
  margin-right: 10px;
}
.course-head .pay .style-box a {
  border-radius: 0;
}
.course-head .pay .style-box i {
  float: left;
  border-left: 1px solid #000;
  position: absolute;
  top: 10px;
  height: 35px;
  opacity: 0.2;
  filter: alpha(opacity=20);
  z-index: 1;
}
.course-head .pay a {
  height: 54px;
  line-height: 54px;
  font-weight: 700;
  font-size: 18px;
  width: 100%;
  position: relative;
  float: left;
}
.course-head .pay .market-price,
.course-head .pay .price {
  font-family: Arial;
  line-height: 1.2;
  text-align: left;
}
.course-head .pay .market-price {
  color: #000;
  opacity: 0.56;
  filter: alpha(opacity=56);
  font-size: 13px;
  text-decoration: line-through;
}
.course-head .pay .price {
  color: #ffe400;
  font-size: 20px;
  line-height: 22px;
}
.course-head .pay .price s {
  font-size: 13px;
  line-height: 20px;
  vertical-align: top;
  text-decoration: none;
}
.course-head .pay .video-play-btn2 {
  cursor: pointer;
}
.course-head .pay .video-play-btn2 s {
  width: 23px;
  height: 23px;
  display: inline-block;
  *display: inline;
  zoom: 1;
  vertical-align: middle;
  margin-top: -2px;
  margin-left: 4px;
}
.course-head .course-status s {
  margin: 0 16px;
  opacity: 0.48;
  filter: alpha(opacity=48);
  border-left: solid 1px #fff;
}
.course-head .prom {
  height: 32px;
  line-height: 32px;
  font-size: 14px;
  color: #fff;
  position: relative;
  padding-left: 38px;
  z-index: 1;
}
.course-head .prom i {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
  filter: alpha(opacity=30);
  background: #000;
  border-radius: 3px;
  z-index: -1;
}
.course-head .prom s {
  width: 22px;
  height: 22px;
  position: absolute;
  left: 8px;
  top: 49%;
  margin-top: -11px;
}
.course-head .prom b {
  color: #ffbc3a;
}
.course-head .prom-num {
  width: 301px;
}
.course-head .prom-num b {
  margin: 0 8px;
}
.course-head .prom-num2 {
  width: auto;
}
.course-head .prom-num2 b {
  margin: 0 2px;
}
.course-head .prom-time {
  width: 301px;
}
.course-head .prom-time b {
  margin: 0 4px;
}
.course-head .prom-time2 b {
  margin: 0 2px;
}
.course-head .prom-time3 b {
  color: #ffe400;
  margin: 0 2px;
}
.course-head .prom-notstart .price {
  font-size: 30px;
  font-family: Arial;
  margin-bottom: 16px;
}
.course-head .prom-notstart .market-price {
  font-size: 14px;
  text-decoration: line-through;
  color: #fff;
}
.course-head .prom-notstart dl {
  color: #fff;
  font-size: 14px;
  background-color: rgba(0, 0, 0, 0.5);
  filter: progid:DXImageTransform.Microsoft.gradient(startcolorstr=#7F000000,endcolorstr=#7F000000);
}
.course-head .prom-notstart dt {
  font-size: 18px;
  font-weight: 700;
  line-height: 54px;
  width: 94px;
  background: #ff5253;
}
.course-head .prom-notstart dd {
  line-height: 22px;
  padding-left: 12px;
}
.course-head .prom-notstart dd p {
  margin-bottom: 0;
}
.course-head .prom-notstart dd b {
  margin: 0 2px;
}
.course-head .prom-notstart dd b {
  color: #ffbc3a;
}
.course-head .prom-notstart dd s {
  text-decoration: none;
}
.course-head .prom-prepay {
  border-radius: 2px;
  margin-right: 10px;
  position: relative;
}
.course-head .prom-prepay .prepay-btn-box {
  position: relative;
  margin-bottom: 15px;
}
.course-head .prom-prepay a.prepay-btn {
  height: 54px;
  line-height: 54px;
  font-size: 18px;
  width: 100%;
}
.course-head .prom-prepay .prepay-info {
  margin: 26px 0px 15px 0px;
}
.course-head .prom-prepay .prepay-info .total-price {
  font-size: 30px;
  color: #fff;
  font-family: Arial;
  vertical-align: middle;
}
.course-head .prom-prepay .prepay-info .sell-date,
.course-head .prom-prepay .prepay-info .prepay-state {
  font-size: 12px;
  line-height: 24px;
  border-radius: 2px;
  background: #fe7d7c;
  margin-left: 10px;
  padding: 0px 8px;
  vertical-align: middle;
}
.course-head .prom-prepay .prepay-price b {
  color: #ffe400;
  font-weight: normal;
  margin: 0 2px;
}
.course-head .prom-prepay .remain-price i {
  font-weight: normal;
  font-size: 13px;
}
.course-head .prom-prepay .remain-price b {
  color: #fff;
}
.course-head .prom-prepay .pre-tips {
  text-decoration: none;
  width: 14px;
  height: 22px;
  margin-left: 4px;
}
.course-head .prom-prepay .pre-toolTips {
  display: none;
  position: absolute;
  font-size: 12px;
  color: #636363;
  background-color: #fff;
  border-radius: 2px;
  width: 444px;
  z-index: 60;
}
.course-head .prom-prepay .pre-toolTips.hasHover {
  display: block;
}
.course-head .prom-prepay .pre-toolTips .tips-title {
  background-color: #fe7d7c;
  padding: 27px 0px 12px;
  text-align: center;
}
.course-head .prom-prepay .pre-toolTips .tips-title h2 {
  font-size: 28px;
  font-weight: normal;
  line-height: 28px;
  color: #fff;
}
.course-head .prom-prepay .pre-toolTips .tips-title h2 s {
  width: 30px;
  height: 27px;
  margin-right: 8px;
  vertical-align: middle;
}
.course-head .prom-prepay .pre-toolTips .tips-title h2 b {
  font-weight: normal;
  color: #fff65e;
}
.course-head .prom-prepay .pre-toolTips .tips-title p {
  line-height: 12px;
  color: #ffe4e4;
  margin-top: 10px;
}
.course-head .prom-prepay .pre-toolTips p {
  margin-bottom: 0px;
}
.course-head .prom-prepay .pre-toolTips .tips-detail {
  text-align: left;
  padding: 17px 27px 23px;
  line-height: 20px;
}
.course-head .prom-prepay .pre-toolTips .tips-detail h4 {
  color: #ff6969;
  font-size: 13px;
  line-height: 25px;
  font-weight: normal;
  text-align: center;
}
.course-head .prom-prepay .pre-toolTips .tips-detail .line {
  margin-top: 8px;
}
.course-head .prom-prepay .real-price {
  font-size: 13px;
  line-height: 54px;
  color: #000;
  opacity: 0.56;
  filter: alpha(opacity=56);
  position: absolute;
  right: 10px;
}
.course-head .discount {
  position: absolute;
  right: 0;
  top: 0;
}
.course-head .video-play-btn {
  position: absolute;
  width: 62px;
  top: 254px;
  left: 882px;
  text-align: center;
  color: #fff;
}
.course-head .video-play-btn s {
  height: 62px;
  display: block;
  margin-bottom: 6px;
}
.course-head .video-play-btn span {
  font-size: 16px;
}
.course-head .course-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  visibility: hidden;
}
.course-head .course-video i {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.68;
  filter: alpha(opacity=68);
  z-index: -1;
}
.course-head .course-video .container {
  margin: 8px auto 0;
  width: 765px;
  position: relative;
}
.course-head .course-video .controller {
  display: none;
  /*由于volume-bar在course-video关闭后,依然显示,因此设置该css*/
}
.course-head .course-video .video {
  height: 502px;
}
.course-head .course-video #jp_jplayer_0 {
  background: #000;
}
.course-head .course-video .volume {
  position: absolute;
  left: 636px;
  bottom: 16px;
  width: 40px;
  height: 40px;
}
.course-head .course-video .close {
  position: absolute;
  top: 0;
  right: 0;
}
.course-head .course-video.video-show {
  visibility: visible;
}
.course-head .course-video.video-show .controller {
  display: block;
  /*由于volume-bar在course-video关闭后,依然显示,因此设置该css*/
}
.course-head .relation {
  margin-top: 14px;
  margin-bottom: 14px;
}
.course-head .relation dt {
  line-height: 28px;
}
.course-head .relation dd {
  width: 270px;
  margin-left: -4px;
}
.course-head .relation dd a {
  font-size: 13px;
  width: 31%;
  line-height: 28px;
  color: #ffffff;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.42);
  margin-left: 4px;
  margin-bottom: 6px;
  text-align: center;
}
.course-head .relation dd a:hover {
  background: rgba(255, 255, 255, 0.8);
}
.course-head .relation dd a.active {
  background: #0db65c !important;
}
/*兼容IE8以下*/
.lt-ie9 .course-head .relation dd a {
  filter: progid:DXImageTransform.Microsoft.gradient(startcolorstr=#6Bffffff,endcolorstr=#6Bffffff);
}
.lt-ie9 .course-head .relation dd a:hover {
  filter: progid:DXImageTransform.Microsoft.gradient(startcolorstr=#CCffffff,endcolorstr=#CCffffff);
}
.lt-ie9 .course-head .relation dd a.active {
  filter: none;
}