/*导航条*/
.pro-nav { width: 100%; height: 4rem; position: fixed; top: 4rem; left: 0; display: flex; justify-content: center; align-items: center; z-index: 9997; 
    background: rgba(35,37,38,0.9);
   }
.pro-navs { width: 75rem; height: 4rem; display: flex; align-items: center; position: relative;}
.pro-navleft p {color: white; font-size: .875rem; font-weight: 500; }
.pro-nav .pro-navright { width: 19.25rem; height: 2.25rem; display: flex; align-items: center; gap: 1.875rem; position: absolute; right: 0; }
.pro-navright span a { color: white; font-size: .875rem; font-weight: 300;}
.pro-navright span a:hover {color: #919699;}
.pro-navright .pro-navright-btn { width: 4.875rem; height: 1.875rem; border-radius: 4px; background: #F46F0A; padding: 5px 11px;
    color: white; font-size: .875rem; font-weight: 300;
    cursor: pointer;
}
.pro-navright-btn:hover { background: #fa9548; }
/*导航条*/