.head{height:6.5rem;background:#fff;position:relative;z-index:9;background-color:var(--primary-color);background-repeat:no-repeat;background-position:50%;background-size:cover}.head .mauto{max-width:75rem;margin:0 auto}.head .mauto .logo{display:block;line-height:6.25rem;height:6.25rem;max-width:17.5rem;float:left}.head .mauto .logo img{width:100%;height:100%}.head .mauto .nav_btn{display:none;width:.8rem;padding:.34rem 0;height:.8rem;box-sizing:border-box;float:right}.head .mauto .nav{float:right;border-left:.0625rem solid #ebebeb}.head .mauto .nav li>a{display:block;padding:0 1.875rem;height:6.25rem;border-top:.25rem solid transparent;font-size:1rem;color:var(--font-color);display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center;-webkit-flex-direction:column;flex-direction:column}.head .mauto .nav em{font-style:normal;margin-bottom:.3125rem}.head .mauto .nav .db{display:block}.header{background:#fff;border-top:.625rem solid #013996}.header .mauto{position:relative;z-index:99}.header .logo{padding:1.3125rem 0 1.3125rem;position:absolute;left:0;top:-1.25rem}.navBox{float:right;position:relative;border-left:.0625rem solid #ebebeb}.nav{display:inline-block;*display:inline;*zoom:1;vertical-align:bottom}.nav li{float:left;position:relative;min-width:5.0625rem;border-right:.0625rem solid #ebebeb}.nav li>.parent>a,.nav li>a{font-size:1rem;color:#3f3f3f;position:relative;display:block;padding:1.25rem .6875rem 0;text-align:center}.nav li>.parent>a:after,.nav li>a:after{content:"";position:absolute;bottom:0;left:50%;width:0;background:#013996;height:.1875rem;transition:all .5s;-webkit-transition:all .5s}.nav li.act>.parent>a:after,.nav li.act>a:after,.nav li:hover>.parent>a:after,.nav li:hover>a:after{width:100%;left:0}