.aboutad{
    width: 60%;
    margin: auto;
    text-align: left;
    line-height: 29px;
    background: #fff;
    overflow: hidden;
    font-family: UniversNext,"Helvetica Neue",Helvetica,Arial,sans-serif;
}
.aboutad .conl,.aboutad .conr{
    width: 50%;
    float: left;
    height: 302px;
    color: #000;
    font-size: 18px;
}
.aboutad .conr .desc{
    padding:10px 10px 10px 20px;
}
footer{
    text-align: left;
    padding: 0 !important;
}

footer .bottom .bottom_main{
    padding: 3.5em 0;
    width: 1000px;
    margin: auto;
}

footer .bottom .bottom_nav ul{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;

}

footer .bottom .bottom_nav ul li{
    margin-right: 20px;
}

footer .bottom .bottom_nav ul a{
    color: #ffffff;
}

footer .bottom .bottom_nav ul a:hover{
    color: #ff0000;
}

footer .bottom .line{
    border: 1px solid #ffffff;
    margin: 20px 0;
}

footer .bottom .bottom_link ul{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;

}

footer .bottom .bottom_link {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;

    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

footer .bottom .bottom_link a{
    color: #ffffff;
}

footer .bottom .bottom_link a:hover{
    color: #ff0000;
}

footer .bottom .bottom_link li{
    margin-right: 20px;
    font-size: 18px;
}

footer .bottom .bottom_link .iconfont {
    font-size: 18px;
}

footer .bottom .copyright{
    padding: 1em 0;
    background: #000000;
}
footer .bottom .copyright a{
    color: #ddd;
}
footer .bottom .copyright p{
    width: 1000px;
    margin: auto;
    text-align: left;
    font-size: 11px !important;
}
.f_box {
    width: 1200px;
    margin: auto;
margin-top: -200px;
}
.f_box .box_con li{
    float: left;
    width: 32.5%;
    margin-right:1% ;
    height: 260px;
    position: relative;
    overflow: hidden;
}
.f_box .box_con li:nth-child(3n){
    margin-right: 0;
}
.f_box .box_con li a {
    color: #fff;
}
.f_box .box_con li p.t{
    font-size: 20px;
    height: 30px;
    line-height: 30px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 90%;
    margin: auto;
    padding-top: 10px;
}
.f_box .box_con li p.desc{
    height: 200px;
    overflow: hidden;
    font-size: 14px;
    line-height: 22px; width: 90%;
    margin: auto;
    padding-top: 10px;
}
.f_box .box_con .con{
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    bottom: -80%;
    background: rgba(0,0,0,.3);
    -webkit-transition: all .6s ease-in-out;

    -o-transition: all .6s ease-in-out;

    transition: all .6s ease-in-out;
}
.f_box .box_con li:hover .con{
    bottom: 0;
    -webkit-transition: all .6s ease-in-out;

    -o-transition: all .6s ease-in-out;

    transition: all .6s ease-in-out;
}
.index_copy{
    width: 100%;
    position: absolute;
    bottom: 0;
    z-index: 0;
    padding-top: 270px
}
@media screen and (max-width: 1280px){
    .index_copy{

        padding-top: 180px
    }
}

@media screen and (max-width: 768px){
    footer .bottom .bottom_nav ul{
        display: -webkit-box;
        display: -moz-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;

        -webkit-box-orient: vertical;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        flex-direction: column;
    }

    footer .bottom .bottom_nav ul li{
        margin-right: unset;
        margin: 20px 0;
        text-align: center;
    }

    footer .bottom .line{
        display: none;
    }

    footer .bottom .bottom_link{
        display: -webkit-box;
        display: -moz-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;

        -webkit-box-orient: vertical;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        flex-direction: column;

        text-align: center;
    }

    footer .bottom .bottom_link ul:first-child{
        display: -webkit-box;
        display: -moz-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;

        -webkit-box-orient: vertical;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        flex-direction: column;
        border-top: 1px solid #ffffff;
        padding: 20px 0;
    }

    footer .bottom .bottom_link li{
        text-align: center;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    footer .bottom .bottom_link ul:nth-child(2){
       font-size: unset;
        border-top: 1px solid #ffffff;
        width: 100%;
        padding: 20px 0;

        display: -webkit-box;
        display: -moz-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;

        -webkit-box-pack: center;
        -webkit-justify-content: center;
        -ms-flex-pack: center;
        justify-content: center;
    }

    footer .bottom .copyright p{
        text-align: center;
        font-size: unset;
        width: 100%;
    }

    footer .bottom .bottom_main{
        width: 90%;
    }
    .f_box{
        width: 100%;
    }
    .f_box .box_con li{
        width: 90%;
        float: none;
        margin: 10px auto;
    }
    .f_box .box_con .con{
        bottom: 0;
    }
    .f_box .box_con li:nth-child(3n){
        margin: 10px auto;
    }
    .f_box .box_con li{
        height: 232px;
    }
    .f_box .box_con li p.desc{
        height: 173px;
    }
    .index_copy{
        display: none;
        padding-top: 180px;
    }
    .aboutad{
        width: 90%;
        line-height: unset;
    }
    .aboutad .conl, .aboutad .conr{
        width: 100%;
    }
    .aboutad .conl{
        height: 270px;
    }
    .aboutad .conr{
        height: 54px;
    }
    footer .bottom .bottom_link li.rr a{
        width: 155px;
        margin: auto;
        display: block;
    }
}