.details{
    padding-top: 157px;
    height: 100%;
    min-height: 100%;
    max-height: 1080px;
    background: url("../image/bg.jpg") top center no-repeat;
    background-size: 1920px auto;
    box-sizing: border-box;
    overflow: hidden;
}
.detailsBox{
    width: 100%;
    height: 100%;
    overflow: auto;
}
.details_main{
    width: 635px;
    margin: 0 auto;
    position: relative;
    height: 100%;
}
.details_box{
    width: 100%;
    margin: 0 auto;
    margin-top: 40px;
    padding-bottom: 20px;
}
.details_tit{
    height: 36px;
	font-size: 36px;
	font-weight: 700;
	font-stretch: normal;
	line-height: 1;
	letter-spacing: 0px;
	color: #2f2f2f;
    text-align: center;
}
.details_nav{
    margin-top: 20px;
    width: 100%;
    height: 45px;
    border-bottom: 1px solid #9e9e9e;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.details_nav_right{
    font-size: 16px;
	font-weight: normal;
	font-stretch: normal;
	line-height: 1;
	color: #2f2f2f;
}
.details_nav_right a{
    color: #2f2f2f;
    font-size: 16px;
}

.details_box_nav_r{
    font-size: 16px;
    color: #868581;
}
.news_box_img{
    width: 77px;
    height: 100%;
    position: absolute;
    top: 0;
    left: -170px;
    background: url("../image/2.png") top center no-repeat;
    background-size: 77px auto;
}
@media screen and (max-width: 1020px) {
    .details{
        padding-top: 100px;
    }
    .details_box{
        margin-top: 26px;
    }
    .details_tit{
        height: 24px;
        font-size: 24px;
        font-weight: 700;
        font-stretch: normal;
        line-height: 1;
        letter-spacing: 0px;
        color: #2f2f2f;
        text-align: center;
    }
    .details_nav{
        margin-top: 13px;
        height: 30px;
    }
    
    .details_nav_right{
        font-size: 12px;
    }
    .details_nav_right a{
        font-size: 12px;
    }
    
    .details_box_nav_r{
        font-size: 12px;
    }
    .news_box_img{
        width: 51px;
        left: -110px;
        background-size: 51px auto;
    }
}