.head_body {
    padding-top: 0;
    max-width:1920px;min-width:1250px;
}

html,
body {
    min-height: 100%
}

body {
    font-family: Helvetica, Pingfang SC, Microsoft YaHei, STHeiti, Verdana, Arial, Tahoma, sans-serif;
    font-size: 14px;
    color: #333;
    background: #fff;
    position: relative
}

.top_nav{width:100%px;height:100px;background:#394147;z-index:99;box-sizing:border-box;display: flex;
    flex-direction: row;
    /* justify-content: center; */
    align-items: center;}
.top_nav .center_box{position:relative;width:1140px;height:100px;top:20%;margin:0 auto}
.top_nav .center_box .logo{width:165px;height:40px;display:block;float:left;}
.top_nav .center_box .dashi{width:150px;height:58px;display:block;float:right;}
.top_nav .center_box .center_nav{width:700px;height:100%;line-height:68px;float:left;margin-left:75px}
.top_nav .center_box .center_nav li{display:inline-block;color:#f5f5f5;padding:0 28px;cursor:pointer;position:relative}
.top_nav .center_box .center_nav li.active a{color:#fff}
.top_nav .center_box .center_nav li a{font-size:17px;color:#f5f5f5;transition:all .2s}
.top_nav .center_box .center_nav li a:hover{color:#e6e5e5;}
.top_nav .center_box .center_nav li:nth-child(1):after,
.top_nav .center_box .center_nav li:nth-child(4):after{position:absolute;content:"";width:25px;height:14px;background:url(/assets/img/pc/jhot.png);margin-left:-10px;margin-top:6px}
.top_nav .center_box .recharge,.top_nav .center_box .boxlist{position:relative}
.top_nav .center_box .recharge .menu-container,.top_nav .center_box .boxlist .menu-container{position:absolute;left:50%;top:57px;width:120px;margin-left:-60px;background:rgba(57,65,71,.8);border-radius:4px;z-index:-1;opacity:0;visibility:hidden;transition:.3s;-webkit-transition:.3s;-moz-transition:.3s;-o-transition:.3s}
.top_nav .center_box .recharge .menu-container .menu-list,.top_nav .center_box .boxlist .menu-container .menu-list{width:100%;height:40px;border-radius:4px;padding:3px 2px;box-sizing:border-box;transition:.3s;-webkit-transition:.3s;-moz-transition:.3s;-o-transition:.3s}
.top_nav .center_box .recharge .menu-container .menu-list a,.top_nav .center_box .boxlist .menu-container .menu-list a{display:block;line-height:34px;font-size:15px;border-left:2px solid transparent;text-decoration:none;text-align:center;color:#fff;transition:.3s;-webkit-transition:.3s;-moz-transition:.3s;-o-transition:.3s}
.top_nav .center_box .recharge .menu-container .menu-list:hover,.top_nav .center_box .boxlist .menu-container .menu-list:hover{background:#586066}
.top_nav .center_box .recharge .menu-container .menu-list:hover a,.top_nav .center_box .boxlist .menu-container .menu-list:hover a{border-color:#e8383b}.top_nav .center_box .recharge:hover .menu-container,.top_nav .center_box .boxlist:hover .menu-container{z-index:10;opacity:1;visibility:visible}@media screen and (max-width:1600px){.top_nav{height:100px}.top_nav .center_box .logo{width:165px;height:40px}.top_nav .center_box .center_nav{line-height:70px}
.top_nav .center_box .center_nav li{padding:0 28px}
.top_nav .center_box .center_nav li:nth-child(3):after,.top_nav .center_box .center_nav li:nth-child(4):after{margin-left:-13.5px;margin-top:.5px}
.top_nav .center_box .recharge .menu-container,.top_nav .center_box .boxlist .menu-container{top:57px}}