#app{width:100%;height:100vh;margin:0;padding:0}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,微软雅黑,Arial,sans-serif}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.full-height{height:100vh}.flex-center{display:flex;justify-content:center;align-items:center}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.ml-16{margin-left:16px}.mr-16{margin-right:16px}.text-center{text-align:center}.text-right{text-align:right}