*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.w1440{
    width: 1440px;
    margin:0 auto;
}
.esg_top{
    padding: 5vw 0;
}
.top_des{
    position: relative;
}
 .lf_red{
    position: absolute;
    left:0;
    top:0;
    width: 50%;
    height: 100%;
    background-color: rgba(151,29,29,.95);
  }
 .tit1{
   color:#fff;
   font-weight:bold;
   line-height:1.5;
   margin-bottom:10px;
 }
 .des1{
   line-height:1.75;
   color:#fff;
 }
 .top_des .txt1{
   padding:0 20.8%;
   position: absolute;
   top:50%;
   transform: translateY(-50%);
 }

 .top_des .img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
 }
 .top_list{
    display: flex;
    justify-content: space-between;
    margin-top: 5.9375vw;
 }
 .top_list{
    display: flex;
    justify-content: space-between;
 }
 .top_list>div{
    width: 45%;
 }
 .item1 a{
    display: flex;
    color:#333;
    font-size: 16px;
    line-height: 86px;
    border-bottom: 1px solid #e0e0e0;
    transition: all .5s;
 }
 .item1 a:hover{
    color: #971d1d;
 }
 .item1 a span{
    flex: none;
    margin-left: 5%;
 }
 .item1 a p{
    white-space: nowrap; 
    overflow: hidden; 
    text-overflow: ellipsis; 
    flex: 1;
}
.swp_list1{
    height: 348px;
}
.swp_list1 .swiper-slide{
    height: 87px;
}
.tit2{
    position: relative;
    line-height: 40px;
    font-weight: bold;
    color: #333;
    margin-bottom: 1.67vw;
}
.tit2 h3{
    font-weight: bold;
}
.tit2 .swiper-button-next,
.tit2 .swiper-button-prev{
   width: 40px;
   height: 40px;
   border-radius: 50%;
   border:2px solid #a5a5a5;
   display: flex;
   align-items: center;
   justify-content:center;
   margin-top: 0;
   top:50%;
   transform: translateY(-50%);
}
.tit2 .swiper-button-next:hover,
.tit2 .swiper-button-prev:hover{
    border-color: #971d1d;
    background-color: #971d1d;
}
.tit2 .swiper-button-next:hover svg path,
.tit2 .swiper-button-prev:hover svg path{
   fill: #fff;
}
.tit2 .swiper-button-prev{
    left: auto;
    right: 60px;
}
.tit2 .swiper-button-next{
    right: 0px;
}
.swiper-button-next:after, 
.swiper-button-prev:after{
    content: none;
}
.section2{
    background-color: #f0f3f8;
    padding-top: 4.27vw;
    padding-bottom: 4.0625vw;
}

.section2 .tit2{
    line-height: 1.5;
    margin-bottom: 1.1458vw;
}
.section3{
    padding-top: 6.5625vw;
}
.section3 .tit2{
    margin-bottom: 1.5625vw;
}
.section3 .swiper p{
    color: #333;
    font-size: 16px;
    line-height: 1.5;
    margin-top: 1vw;
}
.section3 .img{
    position: relative;
    height: 0;
    padding-bottom: 56.1%;
    overflow: hidden;
}
.section3 .img img{
    width: 100%;
    height: 100%;
    position: absolute;
    object-fit: cover;
    transition: all .5s;
}
.section3 .img:hover img{
    transform: scale(1.05);
}
.section4{
    padding-top: 6.51vw;
    padding-bottom: 8.9vw;
}
.section4 .tit2{
    line-height: 1.5;
    margin-bottom: 1.77vw;
}
.sec4-list{
    display: flex;
    flex-wrap: wrap;
}
.sec4-item{
    flex:0 0 22.9%;
    margin-right: 2.8%;
    margin-bottom: 2.8%;
    position: relative;
}
.sec4-item:nth-child(4n){

    margin-right: 0%;
}
.sec4-item>img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.sec4-item p{
    color:#c51b13;
    line-height: 1.285;
    position: absolute;
    font-weight: bold;
    top: 2.135vw;
    left: 1.5625vw;
    right: 1.5625vw;
}
.sec4-item p a{
    color: inherit;
}
.section4 .download{
    position: absolute;
    right: 1.25vw;
    bottom: 1.25vw;
    width: 44px;
    height: 44px;
    border: 2px solid #fff;
    border-radius: 50%; 
}
.section4 .download a{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;

}
 @media screen and (max-width:1600px){
    .w1440{
       width: 80%;
    }
 }
 @media screen and (max-width:1440px){
    .item1 a{
        line-height: 72px;
    }
    .top_des .txt1{
        padding: 0 15%;
    }
    .swp_list1{
        height: 292px;
    }
    .swp_list1 .swiper-slide{
        height: 73px;
    }
 }
 @media screen and (max-width:1200px){
    .w1440{
       width: 80%;
    }
    .top_des .txt1 {
        padding: 0 10%;
    }
 }
 @media screen and (max-width:768px) {
    .lf_red{
        position:static;
        width: 100%;

    }
    .top_des .txt1{
        position: static;
        transform: none;
        padding: 5vw 5%;
    }
    .top_list>div{
        width: 100%;
    }
    .top_list{
        flex-wrap: wrap;
    }
    .tit2 .swiper-button-next, .tit2 .swiper-button-prev{
        width: 30px;
        height: 30px;
        border-width: 1px;
    }
    .tit2 .swiper-button-prev{
        right: 40px;
    }
    .tit2 .swiper-button-next svg, .tit2 .swiper-button-prev svg{
        width: 18px;
        height: 18px;
    }
    .swp_list1{
        height: 220px;
    }
    .swp_list1 .swiper-slide{
        height: 55px;
    }
    .item1 a{
        line-height: 54px;
    }
    .list1_rg{
        margin-top: 20px;
    }
    .esg_top{
        padding: 30px 0;
    }
    .section2{
        padding: 30px 0;
    }
    .section3{
        padding-top: 30px;
    }
    .section3 .swiper p{
        margin-top: 10px;
    }
    .sec4-item {
        flex: 0 0 48.5%;
        margin-right: 3%;
        margin-bottom: 3%;

    }
    .sec4-item:nth-child(2n){
        margin-right: 0%;
    }
    .section4 .tit2{
        margin-bottom: 15px;
    }
    .section4 .download{
        right: 12px;
        bottom: 12px;
        width: 36px;
        height: 36px;
        border-width: 1px;
    }
    .section4 .download svg{
        width: 16px;
        height: 16px;
    }
    .section4{
        padding: 40px 0;
    }
 }