@import url('../css/reset.css');
#content {
  width: 1280px;
  padding: 24px 100px;
  margin: 0 auto;
}
#content .cont {
  display: flex;
  justify-content: space-between;
}
#content .cont .cont_l {
  width: 760px;
}
#content .cont .cont_l .class_box {
  display: flex;
  align-items: center;
}
#content .cont .cont_l .class_box img {
  width: 40px;
  height: 40px;
  margin-right: 8px;
}
#content .cont .cont_l .class_box span {
  font-size: 24px;
  font-family: b;
  font-weight: bold;
  color: #333333;
  line-height: 28px;
}
#content .cont .cont_l .ad {
  margin-bottom: 24px;
}
#content .cont .cont_l .ad .ad_title {
  font-size: 12px;
  font-family: m;
  font-weight: 500;
  color: #D7D7D7;
  text-align: center;
}
#content .cont .cont_l .ad .ad_cont {
  width: 100%;
  min-height: 90px;
}
#content .cont .cont_l .quan .quan_title {
  width: 123px;
  height: 18px;
  font-size: 16px;
  font-family: m;
  font-weight: 500;
  color: #666666;
  margin-bottom: 24px;
}
#content .cont .cont_l .quan .quan_list .quan_item {
  position: relative;
  width: 100%;
  padding: 16px;
  border-radius: 8px 8px 8px 8px;
  opacity: 1;
  border: 1px solid #EEEEEE;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
#content .cont .cont_l .quan .quan_list .quan_item .coverlink {
  position: absolute;
  z-index: 3;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
#content .cont .cont_l .quan .quan_list .quan_item .cover_box {
  width: 88px;
  height: 88px;
  margin-right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
#content .cont .cont_l .quan .quan_list .quan_item .cover_box img {
  width: 100%;
}
#content .cont .cont_l .quan .quan_list .quan_item .quan_right {
  display: flex;
  align-items: center;
  flex: 1;
}
#content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center {
  width: calc(100% - 100px);
}
#content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center h3 {
  font-size: 16px;
  font-family: s;
  font-weight: 600;
  color: #666666;
  margin-bottom: 12px;
}
#content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center .jieshao {
  font-size: 14px;
  font-family: m;
  font-weight: 500;
  color: #999999;
  line-height: 18px;
}
#content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_r {
  display: flex;
  margin-left: 8px;
}
#content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_r .quna_img {
  width: 64px;
  height: 28px;
}
#content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_r span {
  margin: 6px 0 0 2px;
  font-size: 16px;
  font-family: m;
  font-weight: 500;
  color: #999999;
}
#content .cont .cont_l .quan .quan_list .quan_item:hover {
  background: #FEF8F4;
}
#content .cont .cont_l .quan .quan_list .quan_item:hover .quan_right .q_center h3 {
  font-weight: 600;
  color: #F27821;
  text-decoration: underline;
}
#content .cont .cont_r {
  width: 300px;
}
#content .cont .cont_r h3 {
  font-size: 24px;
  font-family: b;
  font-weight: bold;
  color: #333333;
  margin-bottom: 16px;
}
#content .cont .cont_r .class_list .class_item {
  width: 100%;
  padding: 12px 16px;
  background: #fff;
  border-radius: 8px 8px 8px 8px;
  opacity: 1;
  border: 1px solid #EEEEEE;
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}
#content .cont .cont_r .class_list .class_item .coverlink {
  position: absolute;
  z-index: 3;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
#content .cont .cont_r .class_list .class_item img {
  width: 32px;
  height: 32px;
  margin-right: 8px;
}
#content .cont .cont_r .class_list .class_item .class_cover1 {
  display: none;
}
#content .cont .cont_r .class_list .class_item span {
  font-size: 16px;
  font-family: m;
  font-weight: 500;
  color: #666666;
  line-height: 18px;
}
#content .cont .cont_r .class_list .class_item:hover {
  background: #FEF8F4;
}
#content .cont .cont_r .class_list .class_item:hover .class_cover {
  display: none;
}
#content .cont .cont_r .class_list .class_item:hover .class_cover1 {
  display: block;
}
#content .cont .cont_r .class_list .class_item:hover span {
  color: #F27821;
  text-decoration: underline;
}
@media (min-width: 860px) and (max-width: 1200px) {
  #content {
    padding: 10px 16px;
    width: 100%;
  }
  #content .cont .cont_l {
    width: 100%;
  }
  #content .cont .cont_r {
    display: none;
  }
}
@media (min-width: 750px) and (max-width: 859px) {
  #content {
    padding: 10px 16px;
    width: 100%;
  }
  #content .cont .cont_l {
    width: 100%;
  }
  #content .cont .cont_r {
    display: none;
  }
}
@media (min-width: 560px) and (max-width: 749px) {
  #content {
    padding: 10px 16px;
    width: 100%;
  }
  #content .cont .cont_l {
    width: 100%;
  }
  #content .cont .cont_l .class_box span {
    font-size: 18px;
  }
  #content .cont .cont_l .quan .quan_title {
    width: 123px;
    height: 18px;
    font-size: 16px;
    font-family: m;
    font-weight: 500;
    color: #666666;
    margin-bottom: 24px;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right {
    flex-direction: column;
    width: calc(100% - 96px);
    align-items: start;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center {
    width: 100%;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center h3 {
    font-size: 16px;
    font-family: s;
    font-weight: 600;
    color: #666666;
    margin-bottom: 12px;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center .jieshao {
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_r {
    margin-left: 0px;
  }
  #content .cont .cont_r {
    display: none;
  }
}
@media (min-width: 0px) and (max-width: 559px) {
  #content {
    padding: 10px 16px;
    width: 100%;
  }
  #content .cont .cont_l {
    width: 100%;
  }
  #content .cont .cont_l .class_box span {
    font-size: 18px;
  }
  #content .cont .cont_l .quan .quan_title {
    width: 123px;
    height: 18px;
    font-size: 16px;
    font-family: m;
    font-weight: 500;
    color: #666666;
    margin-bottom: 24px;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right {
    flex-direction: column;
    width: calc(100% - 96px);
    align-items: start;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center {
    width: 100%;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center h3 {
    font-size: 16px;
    font-family: s;
    font-weight: 600;
    color: #666666;
    margin-bottom: 12px;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_center .jieshao {
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #content .cont .cont_l .quan .quan_list .quan_item .quan_right .q_r {
    margin-left: 0px;
  }
  #content .cont .cont_r {
    display: none;
  }
}