#app{height:100vh}html,body,#app{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:#f5f7fa;color:#303133}*{box-sizing:border-box}.page-card{background:#fff;border-radius:6px;padding:20px;box-shadow:0 1px 4px #00152914}.flex{display:flex}.flex-1{flex:1}.flex-center{display:flex;align-items:center;justify-content:center}.text-muted{color:#909399}.text-success{color:#67c23a}.text-danger{color:#f56c6c}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.login-bg{background:linear-gradient(135deg,#1d4ed8,#06b6d4);height:100vh}