*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif}#app{height:100%}.page-container{padding:20px}.search-form{margin-bottom:20px;padding:20px;background:#f5f7fa;border-radius:4px}.operation-buttons{margin-bottom:20px}.table-card{background:#fff;padding:20px;border-radius:4px}.pagination{margin-top:20px;display:flex;justify-content:flex-end}