body>section img{
    width: 100%;
    height: 100%;
}
.banner{
    width:1920px;
    height: 597px;
    overflow: hidden;
    position:relative;
    cursor:pointer;
}
.sliders{
    /*width: 500vw;*/
    height: 597px;
    position:absolute;
    top:0;
    left:0;
}

.sliders .item{
    width:1920px;
    float: left;
    height: 597px;
    overflow: hidden;
}

.banner .arrow .left,.banner .arrow .right {
    width:40px;
    height:80px;
    background:#000000;
    opacity:0.3;
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    font-size:52px;
    color:#fff;
    line-height:80px;
    text-align:center;

}
.banner .arrow .left img ,.banner .arrow .right img{
    width: 40px;
    height: 40px;
}
.arrow .left {
    left:0;
}
.arrow .right {
    right:10px;
}
.banner .arrow {
    display:none;
}
/*鼠标经过盒子，让箭头显示出来*/
.banner:hover .arrow {
    display:block;
    cursor:pointer;
}
#nav_list{
    width: 1920px;
    height: 58px;
    background: url("../../images/nav.png") no-repeat 0 -12px;
}
#nav_list .navList{
    height: 58px;
}
#nav_list .navList>li{

    padding: 0 50px;
    float: left;
    height: 58px;
    text-align: center;
    font-size:1.2rem;
    color:#fff;
    letter-spacing: 2px;

    line-height: 58px;
    position: relative;
    cursor: pointer;
}
#nav_list .navList>li a{
    color:#fff;
}
.list{
    color:#fcf107 !important;
}
.list a{
    color:#fcf107 !important;
}
.list:before{
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 5px;
    border-radius: 48%;
    background: linear-gradient(to right,rgba(255,255,0,.1),rgba(255,255,0,1),rgba(255,255,0,.1));
    /*background: #ff0;*/
    bottom: -3px;
}



@media screen and (max-width: 1919px){

    .banner{
        width:100vw;
        height: 485px;
    }
    .sliders{
        height: 485px;

    }
    .sliders .item{
        width:100vw;
        float: left;
        height: 485px;
        overflow: hidden;
    }

    #nav_list{
        width: 100vw;
        height: 58px;
        background: url("../../images/nav.png") no-repeat 0 -12px;
    }

    #nav_list .navList>li {
        padding: 0 48px;
        font-size: 1.1rem;
    }
}

@media screen and (max-width: 1560px){

    #nav_list .navList>li {
        padding: 0 34px;

    }
}
@media screen and (max-width: 1440px){

    .banner{
        width:100vw;
        height: 398px;
    }
    .sliders{
        height: 398px;

    }
    .sliders .item{
        width:100vw;
        float: left;
        height:398px;
        overflow: hidden;
    }
    #nav_list .navList {
          height: 58px;
        min-width: 1190px;
    }

  /*  #nav_list .navList>li {
        padding: 0 30px;

    }*/
}
@media screen and (max-width: 1440px)
{
    #nav_list .navList>li {
        padding: 0 27px;
        font-size: 1rem;

    }
}
/*@media screen and (max-width: 1280px){
    #nav_list .navList li {
        padding: 0  0;
    }
}*/