.topic {
  margin-bottom: 20px;
}
.tit_r {
  border-bottom: none;
  padding: 14px 0;
  position: relative;
}
.tit_r:after {
  content: "";
  display: block;
  width: 30px;
  height: 4px;
  background: #ff7761;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
}
.tit_r span {
  border-left: none;
  font-size: 20px;
  color: #1a1a1a;
  font-weight: 400;
  padding-left: 0;
}
.hot_fr {
  margin-left: 70px;
}
.hot_details {
  width: 146px;
}
.hot_name {
  font-size: 16px;
  color: #1a1a1a;
}
.hot_att {
  overflow: hidden;
  margin-top: 8px;
}
.hot_att span {
  font-size: 14px;
  color: #999;
}
.hot_att span em {
  color: #666;
  margin-right: 6px;
  font-style:normal
}
.button-add a {
  display: inline-block;
  width: 50px;
  height: 26px;
  line-height: 24px;
  text-align: center;
  border: 1px solid #ff7761;
  border-radius: 4px;
  margin-top: 7px;
}