.u-teach-mo-view{position:fixed;z-index:1001;top:100px;left:50%;margin-left:-300px;width:600px;height:500px;background:#fff;box-shadow:0 9px 28px 8px rgba(0,0,0,.05),0 6px 16px 0 rgba(0,0,0,.08),0 3px 6px -4px rgba(0,0,0,.12);border-radius:4px}.u-teach-mo-view .t-cls{position:absolute;display:block;width:24px;height:24px;top:16px;right:16px;cursor:pointer}.u-teach-mo-view .t-cls .icon{float:left;margin:4px 0 0 4px}.u-teach-mo-view .t-cls:hover .icon{background-image:url(f_sprite_jf_20250214114348.png?v=20251010_145944);background-position:-963px -557px;width:16px;height:16px}.u-teach-mo-tt{padding:0 24px;margin-bottom:36px}.u-teach-mo-tt h2{font-size:20px;line-height:28px;height:28px;padding-top:40px;font-weight:700;margin-bottom:15px}.u-teach-mo-tt p{font-size:14px;line-height:20px}.u-teach-mo-tt p span{color:#999}.u-teach-mo-hd{height:40px;width:100%}.u-teach-mo-step{line-height:22px;height:32px;margin:0 24px 24px 40px}.u-teach-mo-step ul{height:4px;border-radius:6px;font-size:14px;color:#bfbfbf}.u-teach-mo-step li{float:left;width:25%;position:relative}.u-teach-mo-step li:before{content:" ";display:block;width:100%;height:4px;background:#f5f5f5}.u-teach-mo-step li.t-last:before{background:#fff}.u-teach-mo-step .icon{float:left;width:4px;height:4px;margin-top:-6px;margin-left:-4px;border-radius:4px;background:#fff;border:2px solid rgba(0,0,0,.09)}.u-teach-mo-step .active{color:#2abb61}.u-teach-mo-step .active .icon,.u-teach-mo-step .current .icon{width:10px;height:10px;margin-top:-9px;margin-left:-7px;border-radius:10px;background:#fff;border:2px solid #2abb61}.u-teach-mo-step .active:before{background:#2abb61}.u-teach-mo-step span{display:block;margin-top:13px;text-align:center;position:relative;left:-50%}.u-teach-mo-res{margin:24px 24px 0 24px;padding:0 16px;line-height:32px;color:#8c8c8c;background:#f5f5f5}.u-teach-mo-set{background:#fff}.u-teach-mo-set .t-tree{height:360px;overflow:auto;margin-top:8px;margin-left:16px}.u-teach-mo-set .t-tree::-webkit-scrollbar-button{display:none}.u-teach-mo-set .t-tree::-webkit-scrollbar{width:10px;height:1px}.u-teach-mo-set .t-tree::-webkit-scrollbar-thumb{border-radius:10px;-webkit-box-shadow:inset 0 0 5px rgba(0,0,0,.2);background:#d8d8d8}.u-teach-mo-set .t-tree::-webkit-scrollbar-track{background:#fff}.u-teach-mo-set .t-tile-box{padding:0 16px 16px 24px}.u-teach-mo-set .t-tile-item{cursor:pointer;line-height:30px;background:#fff;border-radius:2px;color:#595959;font-size:14px;border:1px solid rgba(0,0,0,.15);padding:0 8px;float:left;margin-right:16px;margin-top:16px}.u-teach-mo-set .t-tree{line-height:24px;font-size:14px;zoom:1;position:relative;z-index:100}.u-teach-mo-set .t-tree li{margin-top:8px}.u-teach-mo-set .t-tree-bd{position:relative;padding-right:15px}.u-teach-mo-set .t-tree .t-btn{float:left;width:20px;height:24px;position:absolute;left:0;top:0;cursor:pointer}.u-teach-mo-set .t-tree .t-btn i{background-image:url(f_sprite_icon_20250214114348.png?v=20251010_145944);background-position:-618px -26px;width:15px;height:14px;display:block;margin-top:5px}.u-teach-mo-set .t-tree .t-end>.t-tit .t-btn{display:none}.u-teach-mo-set .t-tree .t-end>.t-tit .t-name{padding-left:0}.u-teach-mo-set .t-tree .t-bd{margin-left:20px;zoom:1;position:relative;background:0 0}.u-teach-mo-set .t-tree .t-bd li{zoom:1;position:relative}.u-teach-mo-set .t-tree .t-tit{position:relative;zoom:1}.u-teach-mo-set .t-tree .t-name{padding-left:20px;line-height:24px}.u-teach-mo-set .t-tree .selected{background:#f5f5f5}.u-teach-mo-set .t-tree .t-on>.t-tit .t-btn i{background-image:url(f_sprite_icon_20250214114348.png?v=20251010_145944);background-position:-618px -50px;width:15px;height:14px}