.nav{width:100%;height:80px;background:#fff;position:relative;z-index: 10;}
.nav .w{overflow:visible;}
.nav::before{content:"";display:block;width:100%;height:1px;box-shadow:0 3px 6px #444;position: absolute;left:0;bottom:0;z-index:100;}
.nav_l{float:left;width:280px;height:80px;}
.nav_l img{display:block;float:left;width:64px;height:auto;margin-top:10px;}
.nav_l span{display:block;width:195px;height:80px;line-height:80px;float:left;font-size:16px;font-weight:bold;}
.nav_l span i{display:inline-block;vertical-align: middle;line-height:22px;}
.nav_r{width:920px;height:80px;float:right;position:relative;}
.nav_r .nav_bd{width:760px;float:left;position: relative;text-align:center;}
.nav_r .nav_bd .nav_bd_li{display:inline-block;position:relative;padding-right:16px;}
.nav_r .nav_bd .nav_bd_li:last-child{padding-right:0;}
.nav_r .nav_bd .nav_bd_li>a{display:block;width:100%;height:80px;line-height:80px;text-align:center;font-size:18px; font-weight:bold;color:#5b5b5b;}
.nav_r .nav_bd .nav_bd_li:hover>a{color:#e62125;}
.nav_r .nav_bd .nav_bd_li .nav_bd_li_sub{width:180px;height:0;overflow:hidden;background:#fff;position:absolute;left:-22px;top:80px;z-index:101;box-shadow:inset 0px 3px 6px -3px #ccc;}
.nav_r .nav_bd .nav_bd_li .nav_bd_li_sub a{display:block;width:180px;height:48px;line-height:48px;font-size:16px;text-align:center;color:#919191;float:left;position: relative;}
.nav_r .nav_bd .nav_bd_li .nav_bd_li_sub a:hover{color:#e62125;}
.nav_r .nav_sc{width:260px;height:80px;position: absolute;right:0;top:0;background:#fff;}
.nav_r .nav_sc .nav_sc_box{width:260px;height:80px;display:block;}
.nav_r .nav_sc .nav_sc_box input{width:206px;height:48px;font-size:14px;color:#999;float:left;border:none;background:#f3f3f3;box-sizing:border-box;padding:0 10px; margin-top:16px;border-radius:6px 0 0 6px;}
.nav_r .nav_sc .nav_sc_box button{display:block;float:left;border:none;width:54px;height:48px;line-height:48px;text-align:center;font-size:14px;color:#fff;background:#e62125;margin-top:16px;cursor:pointer;border-radius:0 6px 6px 0;}
.nav_sc_box_sub{width:1200px;position: absolute;right:0;top:80px;background:#fff;box-sizing:border-box;padding:25px;overflow:hidden;z-index:10;display:none;}
.nav_sc_box_sub .sol{width:1150px;height:60px;overflow-x:scroll;margin-bottom:20px;}
.nav_sc_box_sub .sol::-webkit-scrollbar{width: 12px;
    background-color: #f9f9f9;}
.nav_sc_box_sub .sol::-webkit-scrollbar-thumb{background-color: #9E9E9E;
    border-radius: 6px;
    border: 2px solid #fff;}
.nav_sc_box_sub .casesch_province{width:2650px;;height:30px;}
.nav_sc_box_sub .casesch_province >a{display:block;font-size:18px;color:#3b3b3b;line-height:24px;border:1px solid #ccc;letter-spacing:1px;padding:0 10px;margin-right:18px;float:left;}
.nav_sc_box_sub .casesch_province >a:hover{color:#fff;background:#e62125;border:1px solid #e62125;}
.nav_sc_box_sub .casesch_province >a.current{color:#fff;background:#e62125;border:1px solid #e62125;}
.casesch_bd{width:100%;display:none;}
.casesch_bd .casesch_citys{display:block;width:100%;overflow:hidden;margin-bottom:20px;}
.casesch_bd .casesch_citys a{display:block;float:left;font-size:16px;color:#5b5b5b;line-height:24px;border:1px solid #ccc;letter-spacing:1px;padding:0 10px;margin-right:15px;margin-bottom:15px;}
.casesch_bd .casesch_citys a:hover{color:#fff;background:#f06467;border:1px solid #f06467;}
.casesch_bd .casesch_areas{display:block;width:100%;overflow:hidden;}
.casesch_bd .casesch_areas a{display:block;float:left;font-size:14px;color:#7b7b7b;line-height:24px;border:1px solid #ccc;letter-spacing:1px;padding:0 10px;margin-right:15px;margin-bottom:15px;}
.casesch_bd .casesch_areas a:hover{color:#fff;background:#ffacae;border:1px solid #ffacae;}
.nav_sc_box_sub >div.current{display:block;}

.nav_bd_li_subchildsolu{display:none;width:760px;position:absolute;left:-300px;background:#fff;text-align:left;padding:20px 40px;}
.nav_bd_li:hover>.nav_bd_li_subchildsolu{display:block;}
.nav_bd_li_subchildsolu>p{color:#4469f6;border-bottom:#0095b4 1px solid;padding-left:10px;margin-top:10px;padding-bottom:10px;}
.nav_bd_li_subchildsolu>p>a{color:#4469f6;}
.nav_bd_li_subchildsolu>a{display:inline-block;margin-left:30px;padding:10px;width:80px;}
.nav_bd_li_subchildsolu>a:hover{color:#e62125;}













.banner25{width:100%;position: relative;overflow:hidden;}
.banner25 ul{width:100%;}
.banner25 ul li{width:100%;}
.banner25 ul li a{display:block;width:100%;}
.banner25 ul li img{width:100%;}