.header{width:1000px;height:90px;margin:0 auto;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center}header .logo{display:block;height:35px;width:104px;background:url(../images/logo.svg) center no-repeat}.nav>a{display:inline-block;font-size:16px;line-height:40px;color:#222;padding:0 15px;border-radius:18px;margin-left:22px;position:relative}.nav .line{position:absolute;bottom:0;left:0;right:0;margin:auto;width:20px;height:4px;background:#4226d5;display:none}.nav>a.active{color:#4226d5}.nav>a.active .line{display:block}