.bg{background:#fff;position:fixed;top:0;left:0;right:0;z-index:99}.bg .header_nav{width:1200px;margin:0 auto;height:80px;display:flex;flex-direction:row;justify-content:space-between;align-items:center}.bg .header_nav .brand-img,.bg .header_nav .logo{width:100px;height:44px}.bg .header_nav .menu{width:72%;display:flex;flex-direction:row;justify-content:flex-end;align-items:center}.bg .header_nav .menu .li{text-align:center;padding:0 20px;cursor:pointer;font-size:18px;font-weight:700}.bg .header_nav .menu .li a{font-size:18px;color:#333}.bg .header_nav .menu .li.active a,.bg .header_nav .menu .li a:hover{color:#366dfa}.bg .header_nav .menu .btn{width:96px;height:36px;background:#366dfa;border-radius:8px;text-align:center;line-height:36px;color:#fff;font-size:14px;margin-left:15px;cursor:pointer}.footer{margin-top:20px;width:100%;height:198px;background:#2a2c35}page{background:#f7f7f7}