.w {
  width: 1400px;
  margin: 0 auto;
}




/* swiper */
.swiper-pagination-bullet{width: 16px;height: 16px;background: url(../images/dot.png) no-repeat center center;background-size: 16px;}
.swiper-pagination-bullet-active{background: url(../images/dothover.png) no-repeat center center;background-size: 16px;}

    .swper  .swiper-slide {
       
        font-size: 18px;
        background: #fff;

        /* Center slide text vertically */
        display: -webkit-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -webkit-justify-content: center;
        justify-content: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        -webkit-align-items: center;
        align-items: center;
      }

   .swper   .swiper-slide img {
        display: block;
        width: 100%;

        object-fit: cover;
      }

      

/* 发展历程 */
.about4{
  background: url(../images/bg_about4.jpg) no-repeat center top;
  height: 600px;
}
.about4 .tit{
  text-align: center;
  padding-top: 80px;
  margin-bottom: 40px;
}
.about4 .tit h2,.about4 .tit p{
  color: #fff;
}
.about4 .tit h2{
  font-weight: 500;
  font-size: 42px;
  line-height: 62px;
  margin-bottom: 12px;
  font-family: 'SourceHanSansCN-Medium';
}
.about4 .tit p{
  font-size: 20px;
  line-height: 30px;
}
.swper.mySwiper{
  overflow: hidden;
  height: 300px;
} 
.swper .swiper-wrapper .swiper-slide{
  background: none;
  display: block;
  margin-right: 0!important;
  transform: none;
  text-align: left;
  width: 356px!important;
}
/* .swper .swiper-wrapper .swiper-slide:nth-child(2){
  width: 526px!important;
} */
.swper .swiper-pagination{
  bottom: 0px!important;
}
.about4 .swper.aboutswp .swiper-pagination .swiper-pagination-bullet{
  background: url(../images/aboutdot.png) no-repeat center center;
  background-size: 16px;
  opacity: 1;
}
.about4 .swper.aboutswp .swiper-pagination .swiper-pagination-bullet-active{
  background: url(../images/dothover.png) no-repeat center center;
  background-size: 16px;
}
.splist .dd{
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.5);
  padding: 24px 40px 0 20px;
}
.splist .dd::before{
  position: absolute;
  content: "";
  background: #FFFFFF;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  left: 3px;
  top: 66px;
}
.splist .dd .ddp{
  position: relative;
  width: 330px;
  height: 104px;
  box-sizing: border-box;
  padding: 0 20px;
  transition: all ease-in-out .2s;
  background: rgba(0, 0, 0, 0.17);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4.5px);
  border-radius: 4px;
}
/* .swper .swiper-wrapper .swiper-slide:nth-child(2) .dd .ddp{
  width: 469px;
} */
.splist .dd .ddp::before{
  position: absolute;
  content: "";
  width: 1px;
  height: 69px;
  background: #FFFFFF;
  left: -14px;
  top: -20px;

}
.splist .dd .ddp h3,.splist .dd .ddp p{
  color: #fff;
  transition: all ease-in-out .2s;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; 

}
.splist .dd .ddp h3{
  font-size: 16px;
  margin-bottom: 4px;
  line-height: 22px;
}
.splist .dd .ddp p{
  font-size: 14px;
  line-height: 21px;
}
.splist .dt{
  font-size: 30px;
  line-height: 44px;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  font-family: 'SourceHanSansCN-Medium';
}
.splist .dt::after{
  position: absolute;
  content: "";
  width: 15px;
  height: 15px;
  background: #FFFFFF;
  border-radius: 50%;
  left: 0;
  bottom: -27px;
}

.splist .dd .ddp:hover{
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.44);
  backdrop-filter: blur(3px);
}
.splist .dd .ddp:hover h3,.splist .dd .ddp:hover p{
  color: #16813D;
}