.news_banner {
  width: 100%;
  height: auto;
  margin-top: 80px;
}
.news_banner img {
  width: 100%;
  height: 100%;
}
.news_lout {
  padding: 21px 0;
}
.news_mainBox .title {
  margin-bottom: 22px;
}
.news_mainBox .news_main .Navigation {
  height: 269px;
  margin-right: 33px;
}
.news_mainBox .news_main .Navigation .Navigation_right {
  box-sizing: border-box;
  height: 269px;
  background-color: #ffffff;
  padding-top: 36px;
  padding-left: 22px;
  z-index: 999;
  box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.3);
}
.news_mainBox .news_main .Navigation .Navigation_right li {
  display: flex;
  align-items: center;
  margin-bottom: 23px;
  cursor: pointer;
}
.news_mainBox .news_main .Navigation .Navigation_right li .arrow {
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 11px solid #959595;
}
.news_mainBox .news_main .Navigation .Navigation_right li span {
  font-size: 12px;
  margin-left: 18px;
  color: #000;
}
.news_mainBox .news_main .Navigation .Navigation_right .actived .arrow {
  border-left: 11px solid #26caff;
}
.news_mainBox .news_main .Navigation .Navigation_right .actived span {
  color: #26caff;
}
.news_mainBox .news_main .contentBox {
  box-sizing: border-box;
  padding: 40px 35px;
  box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.3);
}
.news_mainBox .news_main .contentBox ul li {
  position: relative;
  padding-bottom: 10px;
  border-bottom: dashed 1px #949494;
  margin-bottom: 42px;
  cursor: pointer;
}
.news_mainBox .news_main .contentBox ul li a {
  display: flex;
}
.news_mainBox .news_main .contentBox ul li img {
  width: 200px;
  height: 140px;
  margin-right: 20px;
}
.news_mainBox .news_main .contentBox ul li .tilte {
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 6px;
  text-align: left;
}
.news_mainBox .news_main .contentBox ul li .content {
  text-align: left;
  font-size: 10px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #646464;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 7;
  overflow: hidden;
}
.news_mainBox .news_main .contentBox ul li .time {
  position: absolute;
  right: 0;
  bottom: 0;
  font-size: 10px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #646464;
}
.news_mainBox .news_main .contentBox .more {
  width: 111px;
  height: 31px;
  line-height: 31px;
  text-align: center;
  margin: 0 auto;
  cursor: pointer;
  background-color: #00ccff;
  border-radius: 25px;
  font-size: 18px;
  font-weight: bold;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #fefefe;
}
/*小屏幕*/
@media screen and (max-width: 768px) {
  .news_mainBox .news_main .contentBox {
    margin-top: 40px;
  }
}
@media screen and (min-width: 1200px) {
  .news_banner {
    height: 400px;
  }
}