.topHig{height:0 !important;}
.nav img{display:block;max-width:100%;margin:0 auto;}
#navFix{ z-index:199;}
nav ul{ overflow:hidden; }
nav ul li a{ width:25.625%; float:left;text-align:center;display:block;font-size:16px;color:#FFF;background:#fff; overflow:hidden; position:relative;}
nav ul li a:focus{outline:none;}
nav ul li a img { width:100%; }
nav ul li a font { position:absolute; left:35%; top:31%; color:#fff;}
nav ul li a font:hover{ text-decoration:underline; }
nav ul .nv1 a{ width:23.595%;}
nav ul .nav_last a{ width:25.158%;}

.nav_last a{margin-right:0 !important;}
#navFix .clear{height:0;}
@media screen and (max-width:550px){
    nav ul li a font{ font-size:14px;}
    }
    @media screen and (max-width: 450px){
    nav ul li a font {
        font-size: 12px;
        top: 25%;
    }
    .guah_c .guah_table th{ font-weight:400; text-align:right; width:24%; font-size:14px;}
    .guah_c .guah_table td{ height:36px;  width:75%; padding-left:10px; font-size:14px; }
    .guah_c .gh_but{ width:200px; margin:10px auto 0; }
    .experts .ex_box .tb p{ font-size:13px;}
    .tip3 p{ right:1%;}
    .tip3 p a{ line-height:1rem;}
    }	


    #address_box{ width:100%; height:260px; background:url(../img/foot_bg.jpg); margin-top:10px;}
    .foot_nav{ width:96%; height:auto; overflow:hidden; padding:12px 0; margin:auto;}
    .foot_nav li{ float:left; width:25%; line-height:18px; font-size:16px; box-sizing:border-box;
    -moz-box-sizing:border-box; /* Firefox */ -webkit-box-sizing:border-box; /* Safari */ border-right:1px solid #000;}
    .foot_nav .foot_nav4{ border:none;}
    .foot_nav li a{ display:block; text-align:center; color:#000; }
    .address_c{ width:67%; clear:both; font-size:14px; line-height:28px; color:#000; margin:0 auto; text-align:center;}
    .foot_dh{ float:right; display:block; width:24.5%; margin:32px 7% 0 0;}
    .foot_dh img{ width:100%; max-width:93px; min-width:84px; float:right;}