.header{background:#fff;border-bottom:.0625rem solid #e3e5e9;border-top:.0625rem solid #e3e5e9;height:4.375rem;padding:0 1rem;position:sticky;top:0;width:100%;z-index:3}.header,.header .middle-content{-webkit-box-sizing:border-box;box-sizing:border-box}.header .middle-content{height:100%;margin:0 auto;max-width:87.5rem}.header .middle-content .logo{cursor:pointer;height:2rem;margin-right:1rem;width:2rem}.header .middle-content .rightBox .smallLinebtn{height:2.5rem;margin-left:.625rem;padding:0 .625rem}.header .middle-content .rightBox .fillBtn{height:2.5rem;line-height:2.5rem;padding:0 .625rem}