.container,.container-new {
  /* width: 100%; */
  width: 90%;
  padding-right: 15px;
  padding-left: 15px;
  /* margin: 40px 0; */
  margin-right: auto;
  margin-left: auto;
}

.media {
  margin: 20px 0;
  border-bottom: 1px solid #eee;
}

.mt-rightsbox {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.progress {
  display: -ms-flexbox;
  display: flex;
  height: 1rem;
  overflow: hidden;
  line-height: 0;
  font-size: 0.75rem;
  width: 70%;
  margin-top: -15px;
  margin-left: 5px;
  background-color: #e9ecef;
  border-radius: 0.25rem;
}

.mt-rights {
  display: flex;
  width: 60%;
  align-items: baseline;
}

.titleImage {
  width: 23.85%;
  position: relative;
  overflow: hidden;
  padding-bottom: 15.12%;
  margin-right: 3%;
}

.titleImage > img {
  position: absolute;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  object-fit: cover;
  -ms-object-fit: cover;
  -moz-object-fit: cover;
  -webkit-object-fit: cover;
  -o-object-fit: cover;
}

.nav-tabs .nav-item.show .nav-link,
.nav-tabs .nav-link.active {
  color: #495057;
  background-color: #fff;
  border-color: #fff;
}

.nav-tabs .nav-link {
  margin-bottom: 0px;
  border: 1px solid transparent;
  border-top-left-radius: 0.25rem;
  border-top-right-radius: 0.25rem;
}

.nav-tabs .nav-link:focus,
.nav-tabs .nav-link:hover {
  border-color: #fff;
}

.nav-tabs .nav-item.show .nav-link,
.nav-tabs .nav-link.active {
  color: #a71829;
  font-weight: bold;
  background-color: #fff;
  border-color: #fff;
}
a,
a:hover {
  color: #333;
}

.study {
  background: #a71829;
  padding: 1px 10px;
  color: #fff;
  border-radius: 2px;
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  color: #fff;
  background: linear-gradient(-90deg, #cf4f26 0%, #a00314 100%);
}



.flex-column {
  height: 100%;
  border-right: 1px solid #eee;
}

/* 为模态框设置右侧打开的样式 */
.right .modal-dialog {
  top: 0;
  right: 0;
  margin-right: 0;
}

/* 让模态框从右侧滑入 */
.right .modal-dialog .modal-content {
  transform: translateX(50%);
}

#durationBar {
  border: solid 1px #164900;
  width: 450px;
  margin-bottom: 5px;
}

.videoTitleBox {
  display: flex;
  justify-content: space-between;
  background-color: #101014;
  padding: 1rem;
  color: #8c8c8c;
  border-bottom: 1px solid #202020;
}

.videoTitleLeft > span:nth-child(1) {
  background-color: #a00314;
  display: inline-block;
  width: 3px;
  height: 15px;
  margin-right: 2px;
}

.videoTitleLeft > span:nth-child(2) {
  color: #fff;
  font-weight: bold;
  font-size: 22px;
}

.videoTitleRight {
  padding: 0 10px;
  line-height: 30px;
  border: 1px solid #8c8c8c;
  border-radius: 10px;
}

.videoFather {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

#myVideo {
  width: 100%;
  margin-top: 1rem;
  height: calc(100vh - 8rem);
}

.right-contents {
  background-color: #101014;
  padding: 2rem 0;
  height: calc(100vh - 7rem);
  color: #8c8c8c;
  padding: 1rem 5%;
}

.right-contents > h2 {
  font-size: 20px;
  font-weight: bold;
}

.right-contents > p {
  font-size: 16px;
}

.rightBiaozhi {
  display: flex;
  margin: 20px 0;
  justify-content: space-between;
}

.rightBiaozhi > div:nth-child(2) {
  padding: 0 10px;
  border-radius: 5px;
  background-color: #a71829;
  line-height: 1.2rem;
}

.list-group-item {
  position: relative;
  display: block;
  padding: 0.75rem 0rem;
  background-color: #101014;
  color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.125);
}

.activeS {
  color: red;
  /* 默认第一个li的字体颜色 */
}

#playlist > li {
  display: flex;
  justify-content: space-between;
}
.nav-pills .nav-link {
  border-radius: 0.25rem;
  background: #fff;
  padding: 16px 10px;
  background: #fafafa;
  margin-bottom: 20px;
  cursor: pointer;
  font-size: 14px;
}

#v-pills-tabContent {
  background: #fff;
  padding: 20px;
height: 100%;
}

.nav-link:focus,
.nav-link:hover {
  color: #333 !important;
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  color: #fff !important;
  background:linear-gradient(180deg, #cf4f26 0%, #a00314 100%);
}

.titleList {
  display: flex;
  justify-content: space-between;
}

.titleList > li {
  width: 20%;
  padding: 0;
  margin: 0;
}

.titleList > li > button {
  width: 100%;
  height: 100%;
  text-align: center;
  position: relative;
  border-radius: 30px !important;
  font-size: 16px;
  background: rgba(159, 2, 20, 0.07);
  color: #9f0214;
  border: 1px solid;
}

.titleList .nav-link.active,
.titleList .show > .nav-link {
  background: linear-gradient(180deg, #f48b34 0%, #9f0214 100%);
  box-shadow: 0px 2px 2px 0px rgba(0, 0, 0, 0.3);
  color: #fff;
  margin: 0 !important;
}

.titleList .nav-link {
  padding: 0.5rem;
}

.titleImage2 {
  width: 6.85%;
  position: relative;
  overflow: hidden;
  padding-bottom: 5.12%;
  margin-right: 2%;
}
/* 学习栏目 */
.location {
  padding: 1.5rem 1rem;
  color: #333;
  position: relative;
  overflow: hidden;
}

.location:after {
  content: " ";
  background: linear-gradient(180deg, #cf4f26 0%, #a00314 100%);
  width: 0.25rem;
  height: 1.5rem;
  display: inline-block;
  position: absolute;
  left: 0px;
  top: 1.5rem;
}

.location .on {
  color: #da0020;
}

a {
  text-decoration: none !important;
}

.card-body {

  padding: 15px 10px;
}

.card {
  margin-bottom: 20px;
  cursor: pointer;
  position: relative;
box-shadow: 0px 2px 3px 0px rgb(0, 0, 0, 0.1)
}

.card:hover:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  background: #b1040e;
  height: 4px;
  width: 100%;
  animation: a2 0.5s ease-out 0s 1 both;
}
.card img {
  height: 168px;
}

.card p {
  font-size: 13px;
  color: #999;
}

.card-title {
  font-size: 19px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.aria-label {
  float: right;
margin-top: 20px;
}
/* projectCourses */
.page-link:hover {
  z-index: 2;
  color: #fff;
  text-decoration: none;
background: linear-gradient(180deg, #cf4f26 0%, #a00314 100%);
  border: 0;
  border: #a00314;
}
 

 .nav-pills {
   height: 100%;
   background-color: #fff;
   padding: 10px 15px 30px;
   border-right: 1px solid #eee;

 }

 .courseClassification {
   font-size: 16px;
   color: #1d1a19;
   font-weight: 700;
 }

 .courseClassification:before {
   content: "";
   display: inline-block;
   width: 4px;
   height: 20px;
   background: linear-gradient(180deg, #cf4f26 0%, #a00314 100%);
   vertical-align: middle;
   margin: -4px 8px 0 0;
 }

 .topic-info {
   display: flex;
 }

 .topic-info img {
   width: 320px;
   height: 180px;
   margin-right: 20px;
   border-radius: 2px;
 }

 ul,
 li {
   list-style: none;
   margin: 0;
   padding: 0;
 }

 .topic-info li {
   line-height: 28px;
   margin-bottom: 8px;
 }

 .topic-info .title {
   font-size: 16px;
   font-weight: 700;
   color: #1d1a19;
 }

 .topic-info .desc {
   position: relative;
   height: 114px;
   overflow: hidden;
 }

 .q-ellipsis {
   position: relative;
   overflow: hidden;
   height: 114px;
 }

 .topic-info .desc .text {
   font-size: 16px;
   line-height: 26px;
   padding: 5px;
   display: -webkit-box;
   -webkit-box-orient: vertical;
   -webkit-line-clamp: 4;
   overflow: hidden;
   text-overflow: ellipsis;
 }

 .el-space {
   display: inline-flex;
   vertical-align: top;
   flex-wrap: wrap;
   align-items: center;
   gap: 8px;
 }

 .el-space__item {
   display: flex;
   flex-wrap: wrap;
 }

 .topic-info .count,
 .topic-info .long {
   background: #f4f7ff;
   border-radius: 4px;
   display: inline-block;
   font-size: 12px;
   padding: 0 8px;
   white-space: nowrap;
 }

 .topic-course p {
   font-size: 16px;
   color: #4e5969;
 }

 .el-scrollbar {
   overflow: hidden;
   position: relative;
   height: 100%;
 }

 .el-scrollbar__wrap {
   overflow: auto;
   height: 100%;
 }

 .el-scrollbar__wrap--hidden-default {
   scrollbar-width: none;
 }

 .topic-course li {
   background: #fafafa;
   border-radius: 4px;
   /* padding: 10px 8px; */
   font-size: 14px;
   color: #616161;
   margin-bottom: 2px;
   cursor: pointer;
 }

 .topic-course li .type {
   display: inline-block;
   width: 46px;
   height: 22px;
   text-align: center;
   font-size: 14px;
   background: rgba(3, 48, 167, .2);
   border-radius: 0 11px 11px 0;
   color: #9F0214;
 }

 .topic-course li .status {
   float: right;
   margin-right: 20px;
   font-size: 14px;
   color: #b0b0b0;
 }

 .card-textFlex {
   display: flex;
   justify-content: space-between;
   align-items: center;
 }

 .status_grey {
   color: #b0b0b0;
 }

 .status_blue {
   color: #9F0214;
 }

 .classification {
   position: absolute;
   top: 0;
   left: 0;
   z-index: 9;
   width: 46px;
   height: 22px;
   text-align: center;
   font-size: 14px;
   background: linear-gradient(180deg, #cf4f26 0%, #a00314 100%);
   border-radius: 0 11px 11px 0;
   color: #fff;

 }

 #exampleModalLabel {
   font-weight: 500;
   font-size: 18px;
   color: rgb(0, 46, 166)
 }
@media (min-width: 1200px) {

  /* .container, */
  .container-lg,
  .container-md,
  .container-sm,
  .container-xl {
    max-width: 1200px;
  }
}
.page-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  margin-left: -1px;
  line-height: 1.25;
  color: #9F0214;
  background-color: #fff;
  border: 1px solid #dee2e6;
}
.page-item.active .page-link {
  z-index: 3;
  color: #fff;
  background: linear-gradient(180deg, #cf4f26 0%, #a00314 100%);
  border: #a00314;
}
.el-scrollbar {
  --el-scrollbar-opacity: .3;
  --el-scrollbar-bg-color: #909399;
  --el-scrollbar-hover-opacity: .5;
  --el-scrollbar-hover-bg-color: #909399;
}

 .article-list p {
  margin: 6px;
}

.article-source span {
  display: inline-block;
  padding: 0 5px;
  height: 30px;
  line-height: 30px;
  background: #f4f7ff;
  border-radius: 4px;
  font-size: 12px;
  color: #4e5969;
  margin-right: 5px;
}
.article-title{
  display: flex;
  justify-content: space-between;
position: relative;
}
.article-title::before{
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: linear-gradient(180deg, #cf4f26 0%, #a00314 100%);
  border-radius: 50%;
  vertical-align: middle;
  margin: -5px 8px 0 0;
position: absolute;
  top: 15px;
  left: 3px;
}
.article-list{
padding: 10px;
padding-bottom: 0;
border-bottom: 1px dashed #f5f5f5;

}
.article-title>.title{
    font-size: 16px;
      font-weight: 700;
      color: #1d1a19;
margin-left: 25px;
}
.article-column{
  padding: 10px 20px;
  font-size: 20px;
  font-weight: 700;
  color: #1d1a19;
  margin: 0;
  border-bottom: 1px solid #f1f1f1;
}
.article-column:before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, #cf4f26 0%, #a00314 100%);
  vertical-align: middle;
  margin: -4px 8px 0 0;
}
.article-list>a>.article-source{
margin: 10px 30px;
}
/* .article-list>a:hover {
  box-shadow: 0px 0px 7px 0px #f5f5f5;
  display: block;
  padding: 6px;
} */
.article-list>a:hover .article-title>.title{
  color: #da0020 !important;
}
.quickEntrance {
  padding: 20px;
  background: #fff;
}

.quickEntrance>.title {
  font-size: 20px;
  font-weight: 700;
  color: #1d1a19;
  text-align: center;
  display: block;
  margin-bottom: 20px;
}

.quickEntrance>p {
  line-height: 3.5;
  margin-top: 20px;
  text-indent: 2ch;
}