.qndsh_banner {
  width: 100%;
}

.top_img {
  width: 100%;
}

.qndsh_main {
  width: 1320px;
  margin: 0 auto;
  margin-top: 48px;
}

.qndsh_main .top_info {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.qndsh_main .top_info .lf {
  width: 516px;
}

.qndsh_main .top_info .lf > a {
  display: block;
  width: 100%;
  height: 315px;
}

.qndsh_main .top_info .lf > a img {
  display: block;
  width: 100%;
  height: 100%;
}

.qndsh_main .top_info .rt {
  width: 744px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 280px;
}

.qndsh_main .top_info .rt .tit {
  display: block;
  width: 100%;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 22px;
  font-weight: 550;
  color: #000;
  letter-spacing: 0.05em;
  line-height: 1.5;
}

.qndsh_main .top_info .rt .line {
  height: 2px;
  background-color: #dedede;
  width: 100%;
  margin: 36px 0;
}

.qndsh_main .top_info .rt .des {
  width: 100%;
  line-height: 2;
  font-size: 16px;
  color: #1f1f1f;
  text-indent: 2em;
  letter-spacing: 0.05em;
}

.news_list {
  width: 1320px;
  margin: 0 auto;
  margin-top: 58px;
}

.news_list li {
  float: left;
}

.news_list li:not(:nth-child(4n + 1)) {
  margin-left: 58px;
}

.news_list li:nth-child(n + 5) {
  margin-top: 65px;
}

.news_list li a {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.news_list li a img {
  width: 204px;
  height: 246px;
  display: block;
}
.news_list li a .title {
  width: 285px;
  text-align: center;
  font-size: 18px;
  color: #515151;
  font-weight: 550;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 20px;
}
.news_list li a .des2 {
  font-size: 16px;
  width: 285px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #979797;
  margin-top: 15px;
}