html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-size: 14px;
}
/*清除浮动代码*/
.clearfloat:after {
  display: block;
  clear: both;
  content: "";
  visibility: hidden;
  height: 0;
}
.clearfloat {
  zoom: 1;
}
.animated {
  -webkit-transition: 0.3s linear all;
  transition: 0.3s linear all;
}
.course-page-container {
  margin: 0 auto;
  width: 100%;
  background-color: #f0f0f0;
}
.course-page-container .course-page-body {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #f0f0f0;
}
.course-page-container .course-page-body .course-page-content {
  position: relative;
  margin: 0 auto;
  max-width: 1100px;
  padding-top: 20px;
}
.course-page-container .course-page-body .course-page-content .course-item-header {
  position: relative;
  background-color: #fff;
  width: 100%;
  height: 50px;
  text-align: left;
  line-height: 50px;
  border-bottom: 1px solid #e5e8e7;
}
.course-page-container .course-page-body .course-page-content .course-item-header span {
  font-size: 18px;
  color: #111f3c;
  padding-left: 20px;
}
.course-page-container .course-page-body .course-page-content .course-item-content {
  position: relative;
  padding: 0 20px;
  background-color: #fff;
}
.course-page-container .course-page-body .course-page-content .course-item-content ul {
  padding: 0;
  margin: 0;
}
.course-page-container .course-page-body .course-page-content .course-item-content ul li {
  position: relative;
  list-style: none;
  border-bottom: 1px solid #e5e8e7;
  padding: 20px 10px;
}
.course-page-container .course-page-body .course-page-content .course-item-content ul li .left-img {
  float: left;
  width: 180px;
  height: 120.6px;
  overflow: hidden;
}
.course-page-container .course-page-body .course-page-content .course-item-content ul li .left-img .img {
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.course-page-container .course-page-body .course-page-content .course-item-content ul li .right-note {
  margin-left: 200px;
}
.course-page-container .course-page-body .course-page-content .course-item-content ul li .right-note .title {
  font-size: 16px;
  color: #353535;
  font-weight: bold;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  max-width: 706px;
}
.course-page-container .course-page-body .course-page-content .course-item-content ul li .learning-a {
  position: absolute;
  bottom: 65px;
  right: 30px;
  padding: 6px 24px;
  text-align: center;
  background: #fab52c;
  color: #fff;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
.course-page-container .qr-code-bac {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("/images/common/login4.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.course-page-container .qr-code-bac .qr-code-content {
  position: absolute;
  /*//top: 10%;
  //right: 5%;*/
  width: 26%;
  max-width: 220px;
  min-width: 200px;
  height: 250px;
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.6);
}
.course-page-container .qr-code-bac .qr-code-content .qr-code-message {
  position: relative;
  left: 50%;
  margin-left: -90px;
  margin-top: 20px;
  width: 180px;
  height: 180px;
}
.course-page-container .qr-code-bac .qr-code-content .qr-code-text {
  margin-top: 15px;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  color: #4c4c4c;
}