.news-first-main-box{
  position:relative;
  z-index:99;
}
.news-first{
  display:flex;
  justify-content:space-between;
  width:100%;
  margin-top:44px;
}
.news-first-left{
  width:875px;
  height:100%;
  flex:none;
}
.news-first-left-top{
  width:100%;
  height:493px;
  flex:none;
}
.news-first-left-bottom{
  width:100%;
  height:270px;
  flex:none;
}
.news-first-left{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.news-first-box-right{
  width:386px;
  flex:none;
}
.news-first-box-right .column-swiper-slide-bac{
  position:relative;
  height:calc( 386px * 9 / 16 );
}
.news-first-box-right .column-swiper-slide-title{
  font-size:20px;
  line-height:24px;
}
.news-first-box-right .column-swiper-slide{
  height:unset;
  margin-top:8px;
}
.news-first-box-right .column-swiper-slide:first-of-type{
  margin-top:0;
}
.news-first-box-right .common-column-list-unit-bottom{
  margin-top:6px;
}
.news-first-box-right .column-swiper-slide-title-bac{
  padding: 0 12px 15px;
  background-color:transparent!important;
}
.news-first-box-right-wap{
  display:none;
}
@media (max-width:1400px){
  .news-first-left{
    width:61.5vw;
  }
  .news-first-box-right{
    width: 27vw;
  }
  .news-first-box-right .column-swiper-slide-bac{
    height:calc( 27vw * 9 / 16 );
  }
  .news-first-left-top{
    height:34.59vw;
  }
  .news-first{
    margin-top:3vw;
  }
}
@media (max-width:1099px){
  .news-first-box-right{
    width: 26vw;
  }
  .news-first-box-right .column-swiper-slide-bac{
    height:calc( 26vw * 9 / 16 );
  }
  .news-first-box-right .column-swiper-slide-title{
    font-size:1.7vw;
    line-height:2vw;
  }
  .news-first-box-right .column-swiper-slide-title-bac{
    padding: 0 1vw 1vw;
  }
}
@media (max-width:767px){
  .news-first{
    height:unset;
    margin-top:5vw;
    display:block;
  }
  .news-first-left{
    width:100%;
  }
  .news-first-left-top{
    height: calc( ( 100vw - 1.87vw - 1.87vw ) * 9 / 16 );
  }
  .news-first-box-right-pc{
    display:none;
  }
  .news-first-box-right-wap{
    display:block;
  }
  .news-first-box-right-wap .common-column-list{
    margin-top:2.5vw;
  }
}