*{box-sizing:border-box;margin:0;padding:0}html,body,#app{width:100%;height:100%}body{color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;overflow:hidden}a{text-decoration:none}input,button,select{outline:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:silver;border-radius:3px}.btn-block{width:100%}