@charset "utf-8";
.LineHide {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.clearfix:after {
  content: "";
  clear: both;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  display: block;
}
.clearfix {
  zoom: 1;
}
.column-c1 {
  margin-top: 30px;
}
.column-c1 a {
  display: inline-block;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 18px;
  color: #1F4B93;
  position: relative;
  margin-right: 70px;
}
.column-c1 .active {
  font-weight: 400;
  font-size: 18px;
}
.column-c1 .active:after {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  background: #1F4B93;
  border-radius: 2px 2px 2px 2px;
  position: absolute;
  bottom: -8px;
}
.column-c2 {
  width: 100%;
  background: #FFFFFF;
  border-radius: 6px 6px 6px 6px;
  border: 1px solid #F8F8F8;
  padding: 0px 0 0px 20px;
  margin-top: 28px;
}
.column-c2 .column-box0 .d2 {
  width: 1100px;
  float: left;
  margin-top: 13px;
}
.column-c2 .column-box0 h3 {
  display: inline-block;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 16px;
  color: #1F4B93;
  margin-right: 20px;
  float: left;
  line-height: 34px;
}
.column-c2 .column-box0 a {
  display: inline-block;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  padding: 6px 15px;
  border-radius: 20px;
}
.column-c2 .column-box0 .active {
    color: #2456f0;
    font-weight: bold;
}
.column-c3 {
  width: 100%;
  background: #FFFFFF;
  border-radius: 6px 6px 6px 6px;
  border: 1px solid #F8F8F8;
  padding: 20px 0 20px 20px;
  margin-top: 3px;
  position: relative;
}
.column-c3 .showAll {
  width: 60px;
  height: 18px;
  border: 1px solid #999999;
  text-align: center;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 14px;
  color: #999999;
  position: absolute;
  right: 16px;
  top: 80px;
  line-height: 17px;
  cursor: pointer;
}
.column-c3 .showAll i {
  display: inline-block;
  transform: rotate(90deg);
  color: #999999;
  margin-left: 5px;
}
.column-c3 .column-box1 {
  margin-bottom: 17px;
}
.column-c3 .column-box1 .d3 {
  width: 1100px;
  float: left;
}
.column-c3 .column-box1 h3 {
  float: left;
  display: inline-block;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 16px;
  color: #1F4B93;
  margin-right: 20px;
  line-height: 34px;
}
.column-c3 .column-box1 a {
  display: inline-block;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  padding: 6px 15px;
  border-radius: 20px;
  margin-right: 10px;
}
.column-c3 .column-box1 .active {
  background: #D5E5FF;
}
.column-c3 .column-box2 .d3 {
  width: 1100px;
  float: left;
  height: auto;
  overflow: hidden;
}
.column-c3 .column-box2 h3 {
  float: left;
  display: inline-block;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 16px;
  color: #1F4B93;
  margin-right: 20px;
  line-height: 34px;
}
.column-c3 .column-box2 a {
  display: inline-block;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  padding: 6px 15px;
  border-radius: 20px;
  margin-right: 10px;
  margin-bottom: 10px;
}
.column-c3 .column-box2 .active {
  background: #D5E5FF;
}
.container {
  width: 100%;
  background: #F9FAFD;
  margin-top: 18px;
  padding: 40px 0;
}
.container .curriculum-list-c ul li {
  width: 287px;
  height: 280px;
  float: left;
  margin-right: 12px;
  background-color: #ffffff;
  box-shadow: 0px 2px 14px 0px rgba(203, 203, 203, 0.6);
  border-radius: 10px 10px 10px 10px;
  margin-bottom: 20px;
}
.container .curriculum-list-c ul li:nth-child(4n) {
  margin-right: 0;
}
.container .curriculum-list-c ul li a {
  display: block;
}
.container .curriculum-list-c ul li .curriculum-images {
  width: 287px;
  height: 160px;
}
.container .curriculum-list-c ul li .curriculum-images img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 10px 10px 0 0;
}
.container .curriculum-list-c ul li .curriculum-title {
  padding: 15px 16px;
}
.container .curriculum-list-c ul li .curriculum-title .title-page {
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: bold;
  font-size: 16px;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}
.container .curriculum-list-c ul li .curriculum-title .title-name {
  margin-top: 14px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 14px;
  color: #72767D;
  line-height: 21px;
  letter-spacing: 1px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.curriculum-list-c ul li {
  -webkit-transition: all .5s ease;
  transition: all 0.5s ease;
}
.curriculum-list-c ul li:hover {
  transform: translateY(-15px);
}
.curriculum-list-c ul li:hover .title-page {
  color: #1943F3;
}






#cateclass a:first-child::before{
    content:"";
    display:inline-block;
    width:4px;
    height:16px;
    background:#1943F3;
    border-radius:2px;
    margin-right:8px;
    vertical-align:-3px;
}
#cateclass a {
  color:#1943F3;
    font-weight: bold;
}
/* ===== 新增：cateclass 最右侧扩展分类（热门/通识课/专业课），独立包裹 ===== */
    .cate-row {
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
}
.cate-row #cateclass {
  flex:1;
  min-width:0;
}
.cate-extra {
  flex-shrink:0;
  display:flex;
  gap:10px;
  padding-left:20px;
  margin-top:2px;
}
.cate-extra a {
  display:inline-block;
  padding:4px 18px;
  border:1px solid #1943F3;
  border-radius:16px;
  color:#1943F3;
  font-size:15px;
  line-height:22px;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
}
.cate-extra a.active {
  background:#1943F3;
  color:#fff;
}
/* ===== 新增：classify_two_1 下方排序（最新/学时） ===== */
.sort-bar {
  margin-top:0;
  border-top:1px dashed #e8e8e8;
  font-size:15px;
  text-align: left;
  line-height:1;
padding-left: 17px;
    display:flex;
    align-items:center;
    justify-content:flex-start;
    gap:22px;
    clear:both;
    width:100%;
    padding-top:14px;
    margin-bottom:6px;

}
/* desc 箭头朝下，asc 箭头朝上 */
.sort-item.desc .sort-arrow {
    transform:rotate(180deg);
}

.sort-bar .sort-item {
  display:inline-block;
  padding:7px 22px;
  margin-right:14px;
  cursor:pointer;
  color:#888;
  background:#f4f5f7;
  border-radius:18px;
  transition:all .2s;
}
.sort-bar .sort-item:hover {
  color:#1943F3;
  background:#e9efff;
}
.sort-bar .sort-item.active {
  color:#fff;
  background:#1943F3;
  font-weight:bold;
  box-shadow:0 2px 6px rgba(25,67,243,.35);
}
.sort-bar .sort-hours,.sort-bar .sort-latest {
  position:relative;
}
.sort-bar .sort-arrow {
  display:inline-block;
  margin-left:4px;
  line-height:1;
  transition:transform .2s;
  vertical-align:middle;
}
.sort-bar .sort-arrow svg {
  display:block;
  width:10px;
  height:16px;
}
.sort-bar .sort-item.active .sort-arrow {
  color:#fff;
}
.sort-bar .sort-item.asc .sort-arrow {
  transform:rotate(0deg);
}
.sort-bar .sort-item.desc .sort-arrow {
  transform:rotate(180deg);
}
/* ===== 新增：课程列表圆角竖长卡片 ===== */
    #trlist {
  display:grid !important;
  grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
  gap:18px 16px;
  margin:0 !important;
  padding:0 !important;
  list-style:none;
}
/* clearfix 的::before/::after 会变成多余的 grid 项占位，必须清掉 */
    #trlist:before,#trlist:after {
  content:none !important;
  display:none !important;
}
.curriculum-list-c #trlist li {
  width:auto !important;
  height:auto !important;
  float:none !important;
  margin:0 !important;
  padding:0 !important;
  background:none !important;
  box-shadow:none !important;
  border-radius:0 !important;
  box-sizing:border-box;
  list-style:none;
}
.curriculum-list-c #trlist li .course-card {
  background:#fff;
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 2px 8px rgba(0,0,0,.1);
  height:100%;
  display:flex;
  flex-direction:column;
}
.curriculum-list-c #trlist li .course-cover {
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:3/2;
  overflow:hidden;
  background:#f5f6f8;
}
.curriculum-list-c #trlist li .course-cover img {
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}
.curriculum-list-c #trlist li .course-cover .cover-txt {
  position:absolute;
  left:0;
  right:0;
  top:16px;
  text-align:center;
  color:#fff;
  font-size:16px;
  line-height:1.5;
  padding:0 12px;
  text-shadow:0 1px 3px rgba(0,0,0,.4);
  display:block;
}
.curriculum-list-c #trlist li .course-cover .cover-year {
  position:absolute;
  right:8px;
  bottom:8px;
  color:#fff;
  font-size:13px;
  background:rgba(0,0,0,.35);
  padding:2px 8px;
  border-radius:10px;
}
.curriculum-list-c #trlist li .course-info {
  padding:10px 12px 14px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.curriculum-list-c #trlist li .course-name {
  font-size:15px;
  color: #333;
  line-height:1.5;
  height:45px;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  margin:0 0 8px;
  font-weight: bold;
}
.curriculum-list-c #trlist li .course-hour-tag {
  display:inline-block;
  font-size:13px;
  padding: 2px 0px;
  border-radius:4px;
  margin-bottom: 3px;
color: #96979b;}
.curriculum-list-c #trlist li .course-meta {
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:14px;
  margin-bottom:14px;
}
.curriculum-list-c #trlist li .course-price {
  color:#1aad19;
  font-weight:bold;
}
.curriculum-list-c #trlist li .course-num {
  color:#999;
}
.curriculum-list-c #trlist li .course-num svg {
  vertical-align:-2px;
  margin-right:3px;
}
.curriculum-list-c #trlist li .btn-select {
  display:block;
  width: 200px;
  margin:0 0 0 auto;
  margin-top:10px;
  height:32px;
   line-height:32px;
  text-align:center;
  border-radius:16px;
  background: #3d60f1;
  color:#fff;
  font-size:14px;
  cursor:pointer;
  text-decoration:none;
}
.curriculum-list-c #trlist li .btn-select:hover {
  background: #3d60f1;
}
.curriculum-list-c #trlist li .btn-select.selected {
  background:#c9c9c9;
  color:#fff;
  cursor:default;
}
.curriculum-list-c #trlist li .btn-select.selected:hover {
  background:#c9c9c9;
}

/* ===== 热门课程 TOP100 胶囊按钮 ===== */
.hot-top100 {
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:#2456f0;
  color:#fff!important;
  font-size:14px  !important;
  font-weight:bold !important;
  padding:7px 7px 7px 14px;
  border-radius:20px;
  text-decoration:none;
  line-height:1;
}
.hot-top100 .fire {
  font-style:normal;
  font-size:13px;
}
.hot-top100 .top100 {
  background:rgba(255,255,255,.25);
  color:#fff !important;
  border-radius:12px;
  padding:5px 10px;
  font-size:13px;
  font-weight:bold;
  margin-left:5px;
}
.hot-top100:hover {
  background:#1c48d6;
  color:#fff !important;
}
.cate-extra {
  margin-left:auto;
}

/* 清掉远程 CSS 给的胶囊底色/圆角/内边距 */
.sort-item {
    background:transparent!important;
    border:none!important;
    border-radius:0!important;
    padding:0!important;
    box-shadow:none!important;

    display:inline-flex;
    align-items:center;
    gap:5px;
    font-size:14px;
    line-height:1;
    cursor:pointer;
    user-select:none;
    color:#555!important;
    font-weight:normal!important;
}
.sort-item:hover {
    color:#1943F3!important;
}
.sort-item.active {
    color:#1943F3!important;
    font-weight:bold!important;
}
.sort-arrow {
    display:inline-flex;
    align-items:center;
    color:#999!important;
}
.sort-item:hover .sort-arrow {
    color:#1943F3!important;
}
.sort-item.active .sort-arrow {
    color:#1943F3!important;
}
/* desc 箭头朝下，asc 箭头朝上 */
    .sort-item.desc .sort-arrow {
    transform:rotate(180deg);
}


.page-tabs {
  display:flex;
  align-items:flex-end;
  clear:both;
  border-bottom:2px solid #1943F3;
}
.ptab {
  display:inline-block;
  padding:11px 75px;
  margin-right:0px;
  margin-bottom:-2px;
  font-size:19px;
  line-height:1;
  color:#666!important;
  text-decoration:none!important;
  background:#f2f3f5;
  border:1px solid #e2e4e8;
  border-bottom:2px solid #1943F3;
  border-radius:4px 4px 0 0;
  width: 240px;
}
.ptab:hover {
  color:#1943F3!important;
}
.ptab.active {
  color:#1943F3!important;
  font-weight:bold;
  background:#fff;
  border-color:#1943F3;
  border-bottom:2px solid #fff;
}