* {
  margin: 0;
  padding: 0;
}
.blue-slide {
  background: #4390EE;
}
.red-slide {
  background: #CA4040;
}
.orange-slide {
  background: #FF8604;
}
.swiper-slide {
  color: #fff;
  font-size: 36px;
  text-align: center;
  position: relative;
  cursor: pointer;
}
.swiper-slide .courseName {
  position: absolute;
  width: 100%;
  height: 30px;
  line-height: 30px;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  bottom: 0;
  font-size: 14px;
  padding: 0 12px;
  text-align: left;
  box-sizing: border-box;
}
.videoSwiper {
  display: inline-block;
  width: 319px;
  height: 190px;
  border: 1px solid #cdcdcd;
  box-sizing: border-box;
  position: relative;
}
.videoSwiper .swiper-container {
  width: 260px !important;
  height: 138px;
 
  margin-top: 8px;
}
.videoSwiperTitle {
  border-bottom: 1px solid #cdcdcd;
  height: 31px;
  line-height: 31px;
  padding: 0 18px;
  color: #000000;
}
.videoSwiperTitle .textR {
  display: inline-block; font-weight: bold;
  height: 30px;
  position: relative; border-bottom: 2px solid #ca252c;
}
.videoSwiperTitle .textR .line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: #ca252c;
  bottom: -1px;
}
.swiper-pagination-switch {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: #d7d7d7;
  margin: 0 3px;
  opacity: 0.8;
  cursor: pointer;
}
.swiper-active-switch {
  background: #1e54d8;
}
.clickBtn {
  display: inline-block;
  width: 15px;
  height: 20px;
  position: absolute;
  top: 50%;
  cursor: pointer;
}
#btn1 {
  background: url(../image/left.png) left center no-repeat;
  left: 10px;
}
#btn2 {
  background: url(../image/right.png) right center no-repeat;
  right: 10px;
}
.videoDiv {
  position: fixed;
  width: 100%;
  top: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: none;
}
.videoDiv .closeModal {
  position: absolute;
  width: 100%;
  top: 0;
  bottom: 0;
  z-index: 1100;
}
.videoDiv .videoContent {
  position: absolute;
  width: 100%;
  z-index: 1200;
  text-align: center;
  top: 50%;
  margin-top: -258px;
}
.videoDiv .videoContent .videoDivDiv {
  margin: 0 auto;
  width: 798px;
  height: 400px;
}
.closeSpan {
  display: inline-block;
  width: 50px;
  height: 50px;
  background: url(../image/close.png) center no-repeat;
  margin-top: 20px;
  cursor: pointer;
}