#app{height:100vh}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif;color:#303133;background:#f0f2f5}.sidebar{position:fixed;left:0;top:0;bottom:0;width:220px;background:#121f3b;overflow-y:auto;z-index:100}.sidebar-logo{height:50px;line-height:50px;text-align:center;color:#fff;font-size:18px;font-weight:700;letter-spacing:2px}.sidebar .el-menu{border-right:none;margin:0 8px}.sidebar .el-menu .el-menu-item.is-active,.sidebar .el-menu .el-submenu .el-menu-item.is-active{background-color:#243f86!important;width:auto;border-radius:6px}.main-layout{margin-left:220px;min-height:100vh}.topbar{height:56px;background:#fff;border-bottom:1px solid #ebedf0;display:flex;align-items:center;justify-content:flex-end;padding:0 20px}.topbar-user{font-size:14px;color:#303133;cursor:pointer}.topbar-user .el-icon-arrow-down{margin-left:4px;font-size:12px}.content{padding:20px}.page-title{font-size:22px;font-weight:700;color:#303133;margin-bottom:20px}.stat-cards{display:flex;gap:16px;margin-bottom:20px}.stat-card{flex:1;background:#fff;border:1px solid #dce2ef;border-radius:8px;padding:20px}.stat-card .label{font-size:14px;color:#909399}.stat-card .value{font-size:24px;font-weight:700;color:#303133;margin-top:10px}.card{background:#fff;border:1px solid #dce2ef;border-radius:8px;padding:20px;margin-bottom:16px}.card-title{font-size:16px;font-weight:700;color:#303133;margin-bottom:14px}.toolbar{display:flex;justify-content:flex-end;margin-bottom:14px}.table-container{background:#fff;border:1px solid #ebedf0;border-radius:4px;padding:20px}.empty-text{text-align:center;font-size:14px;color:#909399;padding:40px 0}.el-range-separator{width:auto!important;padding:0 4px}