@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 .app-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(20px, 1fr));
  grid-gap: 16px;
  margin-bottom: 24px;
}
#content .cont .cont_l .app-list .app-item .img-box {
  width: 100%;
  position: relative;
  padding-top: 100%;
  margin-bottom: 8px;
}
#content .cont .cont_l .app-list .app-item .img-box img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.2);
  border-radius: 12px 12px 12px 12px;
  border: 1px solid #EEEEEE;
}
#content .cont .cont_l .app-list .app-item h4 {
  font-family: s;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#content .cont .cont_l .app-list .app-item .pf {
  display: flex;
  align-items: center;
}
#content .cont .cont_l .app-list .app-item .pf img {
  margin-right: 2px;
  width: 14px;
  height: 14px;
}
#content .cont .cont_l .app-list .app-item .pf span {
  font-family: m;
  font-size: 14px;
  color: #999999;
}
#content .cont .cont_l .app-list .app-item:hover h4 {
  text-decoration: underline;
  color: #F27821;
}
#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 {
  display: grid;
  grid-template-columns: repeat(1, minmax(50px, 1fr));
  grid-gap: 16px;
}
#content .cont .cont_r .class_list .class_item {
  width: 100%;
  padding: 12px 16px;
  background: #fff;
  border-radius: 8px 8px 8px 8px;
  border: 1px solid #EEEEEE;
  position: relative;
  display: flex;
  align-items: center;
}
#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 {
    flex-direction: column;
  }
  #content .cont .cont_l {
    width: 100%;
    margin-bottom: 16px;
  }
  #content .cont .cont_l .app-list {
    grid-template-columns: repeat(8, minmax(20px, 1fr));
  }
  #content .cont .cont_r {
    width: 100%;
  }
  #content .cont .cont_r .class_list {
    grid-template-columns: repeat(4, minmax(50px, 1fr));
  }
}
@media (min-width: 750px) and (max-width: 859px) {
  #content {
    padding: 10px 16px;
    width: 100%;
  }
  #content .cont {
    flex-direction: column;
  }
  #content .cont .cont_l {
    width: 100%;
    margin-bottom: 16px;
  }
  #content .cont .cont_l .app-list {
    grid-template-columns: repeat(6, minmax(20px, 1fr));
  }
  #content .cont .cont_r {
    width: 100%;
  }
  #content .cont .cont_r .class_list {
    grid-template-columns: repeat(3, minmax(50px, 1fr));
  }
}
@media (min-width: 560px) and (max-width: 749px) {
  #content {
    padding: 10px 16px;
    width: 100%;
  }
  #content .cont {
    flex-direction: column;
  }
  #content .cont .cont_l {
    width: 100%;
    margin-bottom: 16px;
  }
  #content .cont .cont_l .class_box span {
    font-size: 18px;
  }
  #content .cont .cont_l .app-list {
    grid-template-columns: repeat(5, minmax(20px, 1fr));
  }
  #content .cont .cont_r {
    width: 100%;
  }
  #content .cont .cont_r .class_list {
    grid-template-columns: repeat(2, minmax(50px, 1fr));
  }
}
@media (min-width: 0px) and (max-width: 559px) {
  #content {
    padding: 10px 16px;
    width: 100%;
  }
  #content .cont {
    flex-direction: column;
  }
  #content .cont .cont_l {
    width: 100%;
    margin-bottom: 16px;
  }
  #content .cont .cont_l .class_box span {
    font-size: 18px;
  }
  #content .cont .cont_l .app-list {
    grid-template-columns: repeat(3, minmax(20px, 1fr));
  }
  #content .cont .cont_r {
    width: 100%;
  }
  #content .cont .cont_r .class_list {
    grid-template-columns: repeat(1, minmax(50px, 1fr));
  }
}