.tree-box{border:1px solid #dcdfe6;border-radius:4px;padding:5px 15px;margin:0 5px;height:300px;overflow:auto}.tree-box-title{display:block;width:100%;text-align:center;margin:5px 15px;font-size:18px}.wxbind{margin-top:-50px;text-align:center}p.wxbind-title{margin:15px auto;font-size:30px;color:#09bb07}p.wxbind-footer-desp,p.wxbind-subtitle{font-size:12px;color:grey}p.wxbind-footer-desp{margin:5px auto}.wxbind .qrcode{margin:15px auto;border:1px solid grey;background:#d3d3d3;width:280px;height:280px}.qrcode img{height:278px}