.aboutus__nav{background:#f6f6f6}.aboutus__nav .w{margin:0 auto}.aboutus__nav .nav{width:1200px;height:75px;display:flex;align-items:center;justify-content:center}.aboutus__nav .nav .link{font-size:16px;margin:0 50px;color:#111}.aboutus__nav .nav .active{color:#0d7fef}.aboutus__nav .nav .active:hover::before{display:none}