.course-info-section{
  padding:60px 0 0;
}
.course-info-section-w{
  padding-bottom:60px;
}
/* ---------- icon + 标题 ---------- */
.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 28px;
  color: #a62f24;
  margin-bottom: 25px;
  /*font-weight: normal;*/
}
.title-icon {
  display:inline-block;
  width:30px;
  height:auto;
  margin-right:10px;
}
.course-meta{
  color:#757575;
  font-size:16px;
  padding-left:50px;
}

.course-meta p{
  padding-left:10px;
  position:relative;
  /*margin-bottom:5px;*/
  line-height:2;
}
.course-meta p::before{
  content:'';
  width:4px;
  height:4px;
  background:#757575;
  position:absolute;
  left:0;
  top:15px;
  border-radius:50%;
}
.course-meta-nodian p{
  padding:0;
}
.course-meta-nodian p::before{
  content:none;
}
.richeng{
  display:block;
  width:80%;
  height:auto;
}
/* ---------- 红色表头表格 ---------- */
table, table tr, table td, table th{
  border:none;
}
.course-table {
  width: 100%;
  border-collapse: collapse;
  background: none;
  font-size: 16px;
  line-height: 1.6;
  text-align:center;
  color:#757575
}
.course-table thead {
  background: #a62f24;      /* 红色表头 */
  color: #fff;
}
.course-table th,
.course-table td {
  border: 1px solid #757575;
  font-weight:normal;
}
.course-table th{
  padding: 15px 0;
  font-size:18px;
}
.course-table td{
  padding:40px 0;
}
.course-table td:nth-child(2){
  padding:40px;
}
.course-table th:first-child,.course-table td:first-child{
  border-left:none;
}
.course-table th:last-child,.course-table td:last-child{
  border-right:none;
}
.course-about{
  text-align:left;
  line-height:1.8
}
.course-tit{
  color:#a62f24;
  font-weight:bold;
  font-size:18px;
  padding-bottom:5px;
  border-bottom:1px solid #a62f24;
  display:inline-block;
}
.course-table .download-link {
  color: #a62f24;
  padding-bottom:5px;
  border-bottom:1px solid #a62f24;
}
/* 遮罩层 */
.img-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,.75);
  text-align: center;
}
.img-modal-content {
  position: absolute;
  display: inline-block;
  max-width: 90%;
  height: 90%;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
}
.img-modal-content img {
  width: auto;
  height: 100%;
  border-radius: 6px;
}
.img-close {
  position: absolute;
  top: 0;
  right: -42px;
  width: 30px;
  height: 30px;
  line-height: 30px;
  background: #fff;
  color: #c00;
  font-size: 24px;
  border-radius: 50%;
  cursor: pointer;
  background:url(../images/icon-close.png) no-repeat center center/30px auto;
}
.course-cards{
  display:none
}
.course-info-pc{
  display:block;
}
/* 小屏幕横向滚动 */
/* ========= 移动端补丁（≤768px） ========= */
@media (max-width: 768px) {
    .img-modal-content{
        height:auto;
        max-width:none;
        width:75%;
    }
    .img-modal-content img{
        width:100%;height: auto;
    }
  /* 隐藏 PC 原表格 */
  .course-info-pc {
    display: none ;
  }

  /* 课程卡片 */
  .course-cards {display:block; padding: 20px 0 0; }
  .card { background: #fff; border-radius: 8px; margin: 0 15px 15px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.08); }
  .card-header { display: flex; justify-content: space-between; align-items: center; background: #a62f24; color: #fff; padding: 12px 15px; }
  .card-header .num { font-size: 18px; font-weight: bold; }
  .card-header .title { flex: 1; padding: 0 10px; font-size: 18px; }
  .card-header .download { font-size: 14px; background: rgba(255,255,255,.2); padding: 4px 8px; border-radius: 4px; color: #fff; text-decoration: none; }
  .card-body { padding: 15px; }
  .card-body .tag { color: #333;font-weight:bold; margin-bottom: 8px; }
  .card-body .desc { color: #333; line-height: 1.6; margin-bottom: 10px; }
  .card-body .time { color: #a62f24; font-weight: bold; }
  .course-meta img{
    max-width:100%;
    height: auto !important;
  }
}