.nav{width:100%;height:64px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid rgba(0,0,0,0.05);position:fixed;top:0;left:0;z-index:999}.nav-logo{font-size:20px;font-weight:600;color:#111827;letter-spacing:-.02em}.nav-links{display:flex;gap:28px;align-items:center}.nav-links a{color:#374151;font-size:14px;letter-spacing:-.01em;text-decoration:none;position:relative;padding-bottom:4px;transition:color .2s ease;overflow:hidden}.nav-links a:hover{color:#111827}.nav-links a.active::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:#111827;border-radius:2px}.nav-right{display:flex;gap:16px;align-items:center}.nav-right span,.nav-right a{font-size:13px;color:#374151;text-decoration:none}.nav-links a::after{content:"";position:absolute;left:0;bottom:-1px;width:0;height:2px;background:#0f172a;transition:width .18s cubic-bezier(.19,1,.22,1)}.nav-links a:hover::after{width:100%}.nav-links a.active::after{width:100%}