/* 奔发管理后台 — 简约现代壳层
 * Bootstrap 5.3.3 本地 vendor；本文件统一视觉语言
 */
:root {
  --bf-ink: #18181b;
  --bf-brand: #0f766e;
  --bf-brand-hover: #0d9488;
  --bf-brand-soft: #f0fdfa;
  --bf-surface: #ffffff;
  --bf-bg: #f4f4f5;
  --bf-text: #27272a;
  --bf-muted: #71717a;
  --bf-border: #e4e4e7;
  --bf-border-strong: #d4d4d8;
  --bf-success: #059669;
  --bf-danger: #dc2626;
  --bf-warning: #d97706;
  --bf-radius: 10px;
  --bf-radius-sm: 8px;
  --bf-shadow: none;
  --bf-shadow-hover: 0 1px 2px rgba(24, 24, 27, 0.04);
  --bf-sidebar-w: 232px;
  --bf-space-1: 0.25rem;
  --bf-space-2: 0.5rem;
  --bf-space-3: 0.75rem;
  --bf-space-4: 1rem;
  --bf-space-5: 1.5rem;
  --bf-table-th-bg: #fafafa;
  --bf-font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;

  --bs-primary: #0f766e;
  --bs-primary-rgb: 15, 118, 110;
  --bs-link-color: #0f766e;
  --bs-link-hover-color: #0d9488;
  --bs-border-radius: 8px;
  --bs-body-font-family: var(--bf-font);
  --bs-body-color: var(--bf-text);
  --bs-body-bg: var(--bf-bg);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  font-family: var(--bf-font);
  color: var(--bf-text);
  background: var(--bf-bg);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

a {
  color: var(--bf-brand);
  text-decoration: none;
}
a:hover {
  color: var(--bf-brand-hover);
}

/* ---------- Sidebar (light) ---------- */
.sidebar {
  background: var(--bf-surface);
  border-right: 1px solid var(--bf-border);
  min-height: 100vh;
}
.sidebar .brand-block {
  padding: 1.25rem 1.25rem 1rem !important;
  border-bottom: 1px solid var(--bf-border);
}
.sidebar .brand-block h5 {
  color: var(--bf-ink);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sidebar .brand-block h5 i {
  color: var(--bf-brand);
}
.sidebar .brand-sub,
.sidebar .brand-block small {
  color: var(--bf-muted);
  font-size: 0.75rem;
  font-weight: 500;
}
.sidebar .nav-section {
  color: var(--bf-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 1.1rem 1.25rem 0.35rem;
  margin: 0;
}
.sidebar a {
  color: #3f3f46;
  text-decoration: none;
  padding: 0.55rem 1.25rem;
  margin: 0 0.5rem;
  border-radius: var(--bf-radius-sm);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.12s ease, color 0.12s ease;
  border-left: none;
}
.sidebar a i {
  width: 1.1em;
  text-align: center;
  color: #a1a1aa;
  font-size: 1rem;
}
.sidebar a:hover {
  background: #f4f4f5;
  color: var(--bf-ink);
}
.sidebar a:hover i {
  color: #71717a;
}
.sidebar a.active {
  background: var(--bf-brand-soft);
  color: var(--bf-brand);
  font-weight: 600;
}
.sidebar a.active i {
  color: var(--bf-brand);
}
.sidebar .user-chip {
  margin: 0.85rem 0.85rem 0.25rem;
  padding: 0.7rem 0.85rem;
  background: #fafafa;
  border: 1px solid var(--bf-border);
  border-radius: var(--bf-radius-sm);
  color: var(--bf-muted);
  font-size: 0.75rem;
}
.sidebar .user-chip .name {
  font-weight: 600;
  color: var(--bf-ink);
  font-size: 0.8125rem;
}
.sidebar .user-chip .uname,
.sidebar .user-chip .text-white-50 {
  color: var(--bf-muted) !important;
}

/* ---------- Layout ---------- */
.main-pane {
  padding: 1.75rem 1.75rem 2.5rem;
  max-width: 1400px;
}
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9997;
  background: var(--bf-surface);
  color: var(--bf-ink);
  border-bottom: 1px solid var(--bf-border);
  padding: 0.7rem 1rem;
  align-items: center;
  justify-content: space-between;
}
.mobile-header .btn-outline-light {
  --bs-btn-color: var(--bf-text);
  --bs-btn-border-color: var(--bf-border);
  --bs-btn-hover-bg: #f4f4f5;
  --bs-btn-hover-border-color: var(--bf-border-strong);
  --bs-btn-hover-color: var(--bf-ink);
}
.mobile-header .text-white-50 {
  color: var(--bf-muted) !important;
}
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(24, 24, 27, 0.35);
  z-index: 9998;
}
.sidebar-overlay.show {
  display: block;
}
@media (max-width: 768px) {
  .sidebar {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: min(var(--bf-sidebar-w), 86vw);
    height: 100%;
    height: 100dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: 8px 0 28px rgba(24, 24, 27, 0.12);
    transform: translateX(-105%);
    transition: transform 0.22s ease;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .sidebar.show {
    transform: translateX(0);
  }
  .mobile-header {
    display: flex !important;
    padding-top: calc(0.65rem + env(safe-area-inset-top, 0));
    padding-left: calc(0.85rem + env(safe-area-inset-left, 0));
    padding-right: calc(0.85rem + env(safe-area-inset-right, 0));
    min-height: calc(3.25rem + env(safe-area-inset-top, 0));
  }
  .mobile-header .mh-title {
    font-size: 0.95rem;
    font-weight: 650;
    max-width: 42vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .mobile-header .mh-user {
    font-size: 0.75rem;
    max-width: 28vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .mobile-header .btn {
    min-width: 2.5rem;
    min-height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .main-pane {
    padding: 0.85rem 0.85rem 1.5rem !important;
    padding-top: calc(3.75rem + env(safe-area-inset-top, 0)) !important;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0)) !important;
    max-width: none;
  }
  .stat-number {
    font-size: 1.25rem !important;
  }
  .stat-card,
  .bf-card {
    padding: 0.9rem 0.95rem;
  }
  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    margin-bottom: 1rem;
  }
  .page-header h4,
  .page-header h5 {
    font-size: 1.1rem;
  }
  .page-header .page-actions {
    width: 100%;
  }
  .page-header .page-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
    min-height: 2.4rem;
  }
  .filter-bar .btn {
    min-height: 2.4rem;
  }
  .form-control,
  .form-select {
    min-height: 2.5rem;
    font-size: 16px; /* 避免 iOS 自动放大 */
  }
  .btn-sm {
    --bs-btn-padding-y: 0.4rem;
    --bs-btn-padding-x: 0.7rem;
    font-size: 0.8125rem;
  }
  .detail-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
  }
  .detail-metric .metric-value {
    font-size: 1.1rem;
  }
  .bf-pagination-wrap {
    flex-direction: column;
    align-items: stretch;
  }
  .bf-pagination-wrap .pagination {
    justify-content: center;
    flex-wrap: wrap;
  }
  .modal-dialog {
    margin: 0.5rem;
    max-width: calc(100% - 1rem);
  }
  .modal-dialog-scrollable {
    height: calc(100% - 1rem);
  }
  .modal-dialog-centered {
    min-height: calc(100% - 1rem);
  }
  #bfToastHost {
    top: auto !important;
    bottom: 0;
    left: 0.5rem;
    right: 0.5rem;
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0)) !important;
    width: auto;
  }
  #bfToastHost .toast {
    width: 100%;
  }

  /* 横向滚动提示 */
  .table-responsive {
    position: relative;
    margin: 0 -0.15rem;
    border-radius: var(--bf-radius-sm);
    max-height: none !important;
  }
  .table-responsive::after {
    content: "左右滑动查看";
    display: block;
    text-align: center;
    font-size: 0.7rem;
    color: var(--bf-muted);
    padding: 0.35rem 0 0.15rem;
  }
  .table-responsive:has(table.table-mobile-cards)::after {
    display: none;
  }

  /* 手机端表格 → 卡片列表 */
  table.table-mobile-cards {
    white-space: normal;
  }
  table.table-mobile-cards.table-sticky thead th,
  table.table-mobile-cards.table-sticky-col th:first-child,
  table.table-mobile-cards.table-sticky-col td:first-child {
    position: static !important;
    box-shadow: none !important;
  }
  table.table-mobile-cards thead {
    display: none;
  }
  table.table-mobile-cards,
  table.table-mobile-cards tbody {
    display: block;
    width: 100%;
  }
  table.table-mobile-cards tbody tr {
    display: block;
    background: var(--bf-surface);
    border: 1px solid var(--bf-border);
    border-radius: var(--bf-radius);
    margin-bottom: 0.65rem;
    padding: 0.35rem 0.15rem;
    box-shadow: none;
  }
  table.table-mobile-cards tbody tr:hover {
    background: var(--bf-surface);
  }
  table.table-mobile-cards tbody td {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    white-space: normal;
    word-break: break-word;
    border: none !important;
    padding: 0.4rem 0.75rem !important;
    font-size: 0.875rem;
  }
  table.table-mobile-cards tbody td::before {
    content: attr(data-label);
    flex: 0 0 5.5em;
    color: var(--bf-muted);
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.5;
  }
  table.table-mobile-cards tbody td:first-child {
    font-weight: 600;
    color: var(--bf-ink);
  }
  table.table-mobile-cards tbody td:last-child {
    border-top: 1px solid #f4f4f5 !important;
    margin-top: 0.25rem;
    padding-top: 0.65rem !important;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  table.table-mobile-cards tbody td:last-child::before {
    flex-basis: 100%;
    margin-bottom: 0.15rem;
  }
  table.table-mobile-cards tbody td[colspan] {
    display: block;
  }
  table.table-mobile-cards tbody td[colspan]::before {
    display: none;
  }
  table.table-mobile-cards .empty-state {
    padding: 1.5rem 0.75rem;
  }

  /* 统计卡片区更紧凑 */
  .row.g-3 {
    --bs-gutter-y: 0.65rem;
    --bs-gutter-x: 0.65rem;
  }

  .nav-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav-tabs::-webkit-scrollbar {
    display: none;
  }
  .nav-tabs .nav-link {
    white-space: nowrap;
    padding: 0.55rem 0.9rem;
  }

  .login-body {
    padding-left: 1rem;
    padding-right: 1rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0));
    align-items: flex-start;
    padding-top: max(12vh, calc(1.25rem + env(safe-area-inset-top, 0)));
  }
  .login-card {
    padding: 1.5rem 1.25rem 1.35rem;
    max-width: 100%;
  }
  .login-card .form-control {
    font-size: 16px;
    min-height: 2.75rem;
  }
  .login-card .btn-login {
    min-height: 2.75rem;
    font-size: 1rem;
  }

  /* 详情页操作按钮可点 */
  .btn-group {
    flex-wrap: wrap;
  }
}
@media (min-width: 769px) {
  .mobile-header {
    display: none !important;
  }
  .col-md-2.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--bf-sidebar-w);
    overflow-y: auto;
    z-index: 1000;
  }
  .main-col {
    margin-left: var(--bf-sidebar-w);
    width: calc(100% - var(--bf-sidebar-w));
    max-width: none;
    flex: 0 0 auto;
  }
}

/* ---------- Page header / CTA ---------- */
.page-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--bf-space-3);
  margin-bottom: 1.35rem;
  padding-bottom: 0;
}
.page-header h4,
.page-header h5 {
  margin: 0;
  font-weight: 650;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  color: var(--bf-ink);
}
.page-header h4 i,
.page-header h5 i {
  color: var(--bf-muted);
  font-weight: normal;
  margin-right: 0.15rem;
}
.page-header .page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-header .page-actions .btn,
.quick-actions .btn {
  border-radius: var(--bf-radius-sm);
  font-weight: 500;
  font-size: 0.8125rem;
}

/* ---------- Buttons override ---------- */
.btn {
  font-weight: 500;
  letter-spacing: -0.01em;
}
.btn-primary {
  --bs-btn-bg: var(--bf-brand);
  --bs-btn-border-color: var(--bf-brand);
  --bs-btn-hover-bg: var(--bf-brand-hover);
  --bs-btn-hover-border-color: var(--bf-brand-hover);
  --bs-btn-active-bg: #0f766e;
  --bs-btn-active-border-color: #0f766e;
  --bs-btn-disabled-bg: var(--bf-brand);
  --bs-btn-disabled-border-color: var(--bf-brand);
}
.btn-outline-primary {
  --bs-btn-color: var(--bf-brand);
  --bs-btn-border-color: var(--bf-border-strong);
  --bs-btn-hover-bg: var(--bf-brand-soft);
  --bs-btn-hover-border-color: var(--bf-brand);
  --bs-btn-hover-color: var(--bf-brand);
  --bs-btn-active-bg: var(--bf-brand-soft);
  --bs-btn-active-border-color: var(--bf-brand);
  --bs-btn-active-color: var(--bf-brand);
}
.btn-outline-secondary,
.btn-outline-success,
.btn-outline-danger,
.btn-outline-warning,
.btn-outline-info {
  --bs-btn-border-color: var(--bf-border-strong);
}
.btn-sm {
  --bs-btn-padding-y: 0.3rem;
  --bs-btn-padding-x: 0.65rem;
  font-size: 0.8125rem;
}

/* ---------- Surface / cards ---------- */
.stat-card,
.bf-card,
.card {
  background: var(--bf-surface);
  border-radius: var(--bf-radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--bf-shadow);
  border: 1px solid var(--bf-border);
}
.card {
  padding: 0;
}
.card-header {
  background: transparent;
  border-bottom: 1px solid var(--bf-border);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.85rem 1.15rem;
}
.stat-card.stat-link {
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.stat-card.stat-link:hover {
  transform: none;
  border-color: var(--bf-brand);
  background: var(--bf-brand-soft);
  box-shadow: none;
}
.stat-number {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.035em;
  color: var(--bf-ink);
  line-height: 1.2;
}
.stat-number.text-primary,
.text-primary {
  color: var(--bf-brand) !important;
}
.stat-number.text-info,
.text-info {
  color: #0891b2 !important;
}
.stat-label {
  color: var(--bf-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-top: 0.35rem;
}

/* ---------- Forms ---------- */
.form-control,
.form-select {
  border-color: var(--bf-border);
  border-radius: var(--bf-radius-sm);
  font-size: 0.875rem;
  box-shadow: none !important;
}
.form-control:focus,
.form-select:focus {
  border-color: var(--bf-brand);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12) !important;
}
.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: #52525b;
}

/* ---------- Tables ---------- */
.table {
  table-layout: auto;
  white-space: nowrap;
  --bs-table-bg: transparent;
  --bs-table-hover-bg: #fafafa;
  margin-bottom: 0;
}
.table th {
  background: var(--bf-table-th-bg) !important;
  font-weight: 600;
  white-space: nowrap;
  font-size: 0.75rem;
  text-transform: none;
  letter-spacing: 0.01em;
  color: var(--bf-muted);
  border-bottom: 1px solid var(--bf-border) !important;
  padding: 0.65rem 0.75rem;
}
.table td {
  white-space: nowrap;
  vertical-align: middle;
  font-size: 0.875rem;
  border-color: #f4f4f5;
  padding: 0.7rem 0.75rem;
  color: #3f3f46;
}
.table td small {
  word-break: break-all;
  white-space: normal;
  display: block;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--bf-muted);
}
.table-bordered > :not(caption) > * > * {
  border-color: var(--bf-border);
}
.card-body.p-0 {
  overflow-x: auto;
}
.badge {
  font-weight: 500;
  font-size: 0.7rem;
  padding: 0.3em 0.55em;
  border-radius: 6px;
}
.badge-active {
  background: var(--bf-success);
}
.badge-complete {
  background: #a1a1aa;
}

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 3rem 1.25rem;
  color: var(--bf-muted);
}
.empty-state .empty-icon {
  font-size: 1.75rem;
  opacity: 0.35;
  margin-bottom: 0.65rem;
  display: block;
}
.empty-state .empty-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bf-ink);
  margin-bottom: 0.3rem;
}
.empty-state .empty-desc {
  font-size: 0.8125rem;
  margin-bottom: 0;
}

/* ---------- Pagination ---------- */
.bf-pagination-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--bf-space-2);
  margin-top: var(--bf-space-4);
  padding-top: 0.75rem;
  border-top: 1px solid var(--bf-border);
}
.bf-pagination-wrap .text-muted {
  font-size: 0.8125rem;
}
.pagination .page-link {
  border-radius: 6px;
  margin: 0 2px;
  color: var(--bf-text);
  border-color: var(--bf-border);
  font-size: 0.8125rem;
  padding: 0.35rem 0.65rem;
}
.pagination .page-link:hover {
  background: #f4f4f5;
  border-color: var(--bf-border-strong);
  color: var(--bf-ink);
}
.pagination .page-item.active .page-link {
  background: var(--bf-brand);
  border-color: var(--bf-brand);
  color: #fff;
}

/* ---------- Login ---------- */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(15, 118, 110, 0.08), transparent 55%),
    #fafafa;
}
.login-card {
  background: var(--bf-surface);
  border-radius: 14px;
  padding: 2rem 2rem 1.75rem;
  border: 1px solid var(--bf-border);
  box-shadow: 0 1px 2px rgba(24, 24, 27, 0.04);
  width: 100%;
  max-width: 380px;
}
.login-card .login-brand {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--bf-ink);
  letter-spacing: -0.03em;
  margin-bottom: 0.2rem;
}
.login-card .login-sub {
  color: var(--bf-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}
.login-card .btn-login {
  width: 100%;
  padding: 0.65rem;
  font-weight: 600;
  border: none;
  background: var(--bf-brand);
  border-radius: var(--bf-radius-sm);
  margin-top: 0.25rem;
}
.login-card .btn-login:hover {
  background: var(--bf-brand-hover);
  filter: none;
}

/* ---------- Filter bar ---------- */
.filter-bar .form-label {
  font-size: 0.75rem;
  color: var(--bf-muted);
  margin-bottom: 0.3rem;
  font-weight: 500;
}
.filter-bar .form-control,
.filter-bar .form-select {
  border-radius: var(--bf-radius-sm);
}

/* ---------- Detail metrics / KV ---------- */
.detail-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}
@media (max-width: 576px) {
  .detail-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.detail-metric {
  background: #fafafa;
  border: 1px solid var(--bf-border);
  border-radius: var(--bf-radius-sm);
  padding: 0.85rem 0.7rem;
  text-align: center;
}
.detail-metric .metric-label {
  color: var(--bf-muted);
  font-size: 0.7rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}
.detail-metric .metric-value {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--bf-ink);
}
.kv-list p {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}
.kv-list strong {
  color: var(--bf-muted);
  font-weight: 500;
  min-width: 5.5em;
  display: inline-block;
  font-size: 0.8125rem;
}
.section-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--bf-ink);
  letter-spacing: -0.01em;
}
.section-title i {
  color: var(--bf-muted);
}

/* Sticky table header */
.table-sticky thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  box-shadow: 0 1px 0 var(--bf-border);
}

/* Sticky first column */
.table-sticky-col th:first-child,
.table-sticky-col td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--bf-surface);
  box-shadow: 1px 0 0 var(--bf-border);
}
.table-sticky-col thead th:first-child {
  z-index: 3;
  background: var(--bf-table-th-bg);
}
.table-sticky.table-sticky-col thead th:first-child {
  z-index: 4;
}

/* Modals */
.modal-content {
  border: 1px solid var(--bf-border);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(24, 24, 27, 0.12);
}
.modal-header {
  border-bottom-color: var(--bf-border);
  padding: 1rem 1.15rem;
}
.modal-header .modal-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.modal-footer {
  border-top-color: var(--bf-border);
  padding: 0.85rem 1.15rem;
}
.modal-danger .modal-header {
  background: #fef2f2;
  color: #991b1b;
  border-bottom-color: #fecaca;
}

/* Toast */
#bfToastHost {
  z-index: 10900;
}
.toast {
  border-radius: 10px;
  font-size: 0.875rem;
}
