/*底部*/
footer{
    background-color: #f2f2f2;
    padding: 60px 0 20px 0;
}
footer div.row1 section img{
    width: 20%;
    padding-right: 10px;
}footer div.row1 section span{
     font-size: 22px;
     color: #32d0ff;
 }
footer div.row1 ul{
    margin-top: 10px;
}
footer div.row1 ul li{
    line-height: 35px;
    font-size: 14px;

}
footer div.row2 ul li{
    line-height: 35px;
    font-size: 14px;
}
footer div.row2 ul li h4{
    font-size: 19px;

}
footer div.row2 ul li a{
    color: #383838;

    text-decoration: none;
}
.footer_copyright{
    border-top: 1px solid rgba(51, 209, 255, 0.54);
    padding-top: 20px;
}

@media (max-width: 767px) {
    footer{
        padding: 20px 0 60px 0;

    }

    footer div.row1 section span {
        font-size: 16px;
        color: #32d0ff;
    }
    footer div.row1 ul li {
        line-height: 22px;
        font-size: 12px;
    }
    footer div.row2 ul li h4 {
        font-size: 15px;
    }
    footer p{
        font-size: 12px;
        margin: 0;
        line-height: 22px;
        text-align: center;
    }
    footer p img{
        width: 100px;
    }
    .footer_copyright {
        border-top:none;
        padding-top: 15px;
        border-top: 1px solid rgba(51, 209, 255, 0.54);
    }
    .footer_copyright img{
        width: 50px;
    }
    div.footerNav{
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background-color: black;
        z-index: 10001;
    }
    div.footerNav ul.one{
        height: 45px;
        line-height: 45px;
    }
    div.footerNav ul.one>li>a{
        font-size: 12px;
        padding: 0;
        box-sizing: border-box;
        border-right: 1px solid #454545;
    }
    .nav .open>a, .nav .open>a:focus, .nav .open>a:hover {
        background-color: black;
        border-color: #454545;
    }
    ul.nav.one li> a.o, ul.nav.one li> a:hover, ul.nav.one li> a:focus {
        background-color: #000000;
        border-color: black;
        border-right: 1px solid #454545;
    }
    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: -15px;
        right: 0;
        z-index: 1000;
        display: none;
        float: left;
        min-width: 150px;
        max-width: 150px;
        font-size: 12px;
        text-align: center;
        list-style: none;
        background-color: black;
        -webkit-background-clip: padding-box;
        background-clip: padding-box;
        border-radius: 4px;
        -webkit-box-shadow: 0 6px 12px rgba(0,0,0,.175);
        box-shadow: 0 6px 12px rgba(0,0,0,.175);
    }
    .dropdown-menu>li>a {
        display: block;
        padding:5px 10px;
        clear: both;
        font-weight: 400;
        line-height: 1.42857143;
        color: white;
        white-space: nowrap;
    }
    .dropdown-menu>li:not(:last-child){
        border-bottom: 1px solid #454545;
    }
    .dropdown-menu>li>a:not(:last-child){

    }
    div.san{
        display: none;
    }
    div.san ul li{
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
    }
    div.san ul li a{
        color: #b3b3b3;
        border-color:black;
        font-size: 12px;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
    }
    div.san ul li{
        height:30px ;
        line-height: 30px;
    }
    .dropdown-menu>li>a:focus, .dropdown-menu>li>a:hover {
        color:white;
        text-decoration: none;
        background-color: #ccc;
    }
}


/*回到顶部*/
#retopbtn{
    position:fixed;
    bottom:2px;
    right:10px;
    border-radius: 5px;
    cursor: pointer;
    padding: 5px;
    text-decoration: none;
}
#retopbtn img{
    padding:0 5px;
    width: 60px;
    height:65px;
    display: block;
    margin: 0 auto;
}