.ipr-nav{background:#fff;padding:0 14px;font-size:16px;position:relative;height:46px;border-bottom:solid 1px #ddd}.ipr-nav .ipr-wrap{position:relative}.ipr-nav .nav-list{float:left;white-space:nowrap;margin-left:220px}.ipr-nav .nav-list a{height:44px;margin-left:10px;padding:0 10px;color:#333;border-bottom:2px solid #fff;line-height:44px;letter-spacing:2px;vertical-align:middle;display:inline-block;font-weight:400;position:relative}.ipr-nav .nav-list a img{width:100px;height:24px;left:50%;margin-left:-50px;top:-12px;overflow:hidden;position:absolute}.ipr-nav .nav-list a .icon-cls{width:28px;height:20px;-o-object-fit:contain;object-fit:contain;position:absolute;top:-18px;right:0;left:0;margin:auto;animation:move 2s linear infinite}@keyframes move{0%{top:-10px}25%{top:-15px}50%{top:-20px}75%{top:-15px}100%{top:-10px}}