/* ============================================================
   VISTOR 访客管理系统 - PC 端后台主题（参照工单系统风格）
   纯本地资源，无外部依赖
   ============================================================ */

:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --primary-light: #eff6ff;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --purple: #8b5cf6;
  --purple-light: #f5f3ff;
  --info: #06b6d4;
  --info-light: #ecfeff;
  --muted: #94a3b8;
  --muted-light: #f1f5f9;
  --ink: #1e293b;
  --ink-2: #475569;
  --ink-3: #64748b;
  --line: #e2e8f0;
  --bg: #f1f5f9;
  --card: #ffffff;
  --sidebar-bg: #0f172a;
  --sidebar-bg-2: #1e293b;
  --sidebar-text: #94a3b8;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow: 0 4px 16px rgba(15,23,42,.08);
  --shadow-lg: 0 12px 32px rgba(15,23,42,.14);
  --sidebar-w: 236px;
  --topbar-h: 62px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; }
h1,h2,h3,h4 { font-weight: 600; line-height: 1.35; }

/* ---------------- 布局骨架 ---------------- */
.pc-layout { display: flex; min-height: 100vh; }

/* 侧边栏（暗色渐变，参照工单系统） */
.pc-sidebar, #appSidebar {
  width: var(--sidebar-w);
  background: linear-gradient(180deg, #0f172a 0%, #111c33 100%);
  color: var(--sidebar-text);
  position: fixed;
  inset: 0 auto 0 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform .25s ease;
  overflow-y: auto;
  border-right: 0;
}
.pc-sidebar .sidebar-brand, #appSidebar .sidebar-brand {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  border-bottom: 1px solid rgba(148,163,184,.28);
  background: linear-gradient(180deg, rgba(59,130,246,.18), rgba(15,23,42,0) 120%);
  flex-shrink: 0;
}
.pc-sidebar .brand-logo, #appSidebar .brand-logo {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #22d3ee);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 17px;
  box-shadow: 0 4px 12px rgba(59,130,246,.4);
}
.pc-sidebar .brand-name, #appSidebar .brand-name { color: #fff; font-size: 15px; font-weight: 600; letter-spacing: .5px; }
.pc-sidebar .brand-sub, #appSidebar .brand-sub { font-size: 11px; color: var(--sidebar-text); }
.pc-sidebar .sidebar-nav, #appSidebar .sidebar-nav { flex: 1; overflow-y: auto; padding: 14px 10px 20px; border-top: 1px solid rgba(148,163,184,.1); background: rgba(15,23,42,.35); }
.pc-sidebar .sidebar-nav::-webkit-scrollbar, #appSidebar .sidebar-nav::-webkit-scrollbar { width: 5px; }
.pc-sidebar .sidebar-nav::-webkit-scrollbar-thumb, #appSidebar .sidebar-nav::-webkit-scrollbar-thumb { background: rgba(148,163,184,.25); border-radius: 4px; }
.pc-sidebar .nav-link, #appSidebar .nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; margin: 2px 0;
  border-radius: 9px;
  color: #cbd5e1;
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.pc-sidebar .nav-link:hover, #appSidebar .nav-link:hover { background: rgba(148,163,184,.18); color: #ffffff; }
.pc-sidebar .nav-link.active, #appSidebar .nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(59,130,246,.35); }
.pc-sidebar .nav-icon, #appSidebar .nav-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.pc-sidebar .sidebar-footer, #appSidebar .sidebar-footer { padding: 12px 16px; border-top: 1px solid rgba(148,163,184,.12); font-size: 11px; color: var(--ink-3); }
.pc-sidebar .sidebar-footer a, #appSidebar .sidebar-footer a { color: var(--sidebar-text); }
.pc-sidebar .sidebar-footer a:hover, #appSidebar .sidebar-footer a:hover { color: var(--danger); }

/* 主内容 */
.pc-main, .admin-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
}

/* 顶栏 */
.pc-topbar, .admin-topbar {
  height: var(--topbar-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 22px;
  position: sticky; top: 0; z-index: 90;
}
.pc-topbar .topbar-left, .admin-topbar .topbar-left { display: flex; align-items: center; gap: 12px; }
.pc-topbar .topbar-left h2, .admin-topbar .topbar-left h2 { font-size: 16px; font-weight: 600; }
.pc-topbar .sidebar-toggle, .admin-topbar .sidebar-toggle {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line); background: #fff;
  font-size: 18px; cursor: pointer; color: var(--ink-2);
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.pc-topbar .sidebar-toggle:hover, .admin-topbar .sidebar-toggle:hover { background: var(--muted-light); color: var(--ink); }
.pc-topbar .topbar-right, .admin-topbar .topbar-right { display: flex; align-items: center; gap: 12px; }
.pc-topbar .user-chip, .admin-topbar .user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 5px 10px 5px 6px;
  border-radius: 12px;
  border: 1px solid var(--line); background: #fff;
}
.pc-topbar .user-name, .admin-topbar .user-name { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.pc-topbar .user-role, .admin-topbar .user-role {
  font-size: 11px; color: var(--ink-3);
  background: var(--muted-light);
  padding: 2px 8px; border-radius: 999px;
}
.pc-topbar .btn-logout, .admin-topbar .btn-logout {
  font-size: 13px; color: var(--danger);
  padding: 6px 12px; border: 1px solid var(--danger-light);
  border-radius: 9px; text-decoration: none;
  transition: all .15s;
}
.pc-topbar .btn-logout:hover, .admin-topbar .btn-logout:hover { background: var(--danger-light); }
.pc-topbar .btn-mobile-view, .admin-topbar .btn-mobile-view { color: var(--primary); font-size: 16px; text-decoration: none; }

.avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #22d3ee); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; }

/* 内容区 */
.pc-content, .admin-content, .content { padding: 22px; flex: 1; }

/* ---------------- 卡片 ---------------- */
.pc-card, .card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}
.pc-card-header, .card-header {
  display: flex; align-items: center; gap: 10px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
}
.pc-card-title, .card-title { font-size: 15px; font-weight: 600; }
.pc-card-header .tools, .card-header .tools { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.pc-card-body, .card-body { padding: 18px; }

/* ---------------- 统计卡片 ---------------- */
.pc-stats-grid, .stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}
.pc-stat-card, .stat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow-sm);
  transition: transform .15s, box-shadow .15s;
}
.pc-stat-card:hover, .stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.pc-stat-header, .stat-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.pc-stat-label, .stat-label { font-size: 12.5px; color: var(--ink-3); }
.pc-stat-icon, .stat-icon {
  width: 42px; height: 42px; border-radius: 11px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.pc-stat-icon.blue, .stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.pc-stat-icon.green, .stat-icon.green { background: var(--success-light); color: var(--success); }
.pc-stat-icon.yellow, .stat-icon.yellow { background: var(--warning-light); color: #b45309; }
.pc-stat-icon.red, .stat-icon.red { background: var(--danger-light); color: var(--danger); }
.pc-stat-icon.purple, .stat-icon.purple { background: var(--purple-light); color: var(--purple); }
.pc-stat-icon.cyan, .stat-icon.cyan { background: var(--info-light); color: var(--info); }
.pc-stat-value, .stat-value { font-size: 24px; font-weight: 700; line-height: 1.2; color: var(--ink); }
.pc-stat-change, .stat-change { font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.pc-stat-change.up, .stat-change.up { color: var(--success); }
.pc-stat-change.down, .stat-change.down { color: var(--danger); }

/* ---------------- 表格 ---------------- */
.pc-table-container, .table-container { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.pc-table, table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.pc-table th, table th {
  text-align: left; padding: 11px 14px;
  background: #f8fafc; color: var(--ink-3);
  font-size: 12.5px; font-weight: 600;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  text-transform: none; letter-spacing: 0;
}
.pc-table td, table td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; font-size: 13.5px; }
.pc-table tbody tr:hover, table tbody tr:hover { background: #f8fafc; }
.pc-table tbody tr:last-child td, table tbody tr:last-child td { border-bottom: none; }
.row-title { font-weight: 600; color: var(--ink); }
.sub { color: var(--ink-3); font-size: 12.5px; }

/* ---------------- 徽章 ---------------- */
.pc-badge, .badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 500; line-height: 1.5;
  white-space: nowrap;
}
.pc-badge-approved, .badge-approved, .pc-badge-completed { background: var(--success-light); color: var(--success); }
.pc-badge-pending, .badge-pending, .pc-badge-processing { background: var(--warning-light); color: #b45309; }
.pc-badge-rejected, .badge-rejected { background: var(--danger-light); color: var(--danger); }
.badge-cancelled { background: var(--muted-light); color: var(--ink-3); }
.pc-badge-info { background: var(--primary-light); color: var(--primary); }

/* ---------------- 按钮 ---------------- */
.pc-btn, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 16px;
  border-radius: 9px; border: 1px solid transparent;
  font-size: 13.5px; font-weight: 500;
  font-family: inherit;
  cursor: pointer; transition: all .15s;
  white-space: nowrap; user-select: none;
  text-decoration: none;
}
.pc-btn:disabled, .btn:disabled { opacity: .55; cursor: not-allowed; }
.pc-btn-primary, .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 6px rgba(59,130,246,.3); }
.pc-btn-primary:hover, .btn-primary:hover { background: var(--primary-dark); color: #fff; }
.pc-btn-success, .btn-success { background: var(--success); color: #fff; }
.pc-btn-success:hover, .btn-success:hover { background: #059669; color: #fff; }
.pc-btn-danger, .btn-danger { background: var(--danger); color: #fff; }
.pc-btn-danger:hover, .btn-danger:hover { background: #dc2626; color: #fff; }
.pc-btn-secondary, .btn-secondary { background: #fff; border-color: var(--line); color: var(--ink-2); }
.pc-btn-secondary:hover, .btn-secondary:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.pc-btn-outline { background: #fff; border-color: var(--line); color: var(--ink-2); }
.pc-btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.pc-btn-sm, .btn-sm { height: 30px; padding: 0 11px; font-size: 12.5px; border-radius: 8px; }
.pc-btn-xs { height: 26px; padding: 0 9px; font-size: 12px; border-radius: 7px; }
.pc-btn-group, .btn-group { display: flex; gap: 6px; }

/* ---------------- 表单 ---------------- */
.pc-form-group, .form-group { margin-bottom: 16px; }
.pc-form-label, .form-label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.pc-form-input, .pc-form-select, .pc-form-textarea,
.form-input, .form-select, .form-textarea {
  width: 100%; height: 38px;
  border: 1px solid var(--line); border-radius: 9px;
  padding: 0 12px; font-size: 13.5px;
  font-family: inherit; color: var(--ink);
  background: #fff; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.pc-form-textarea, .form-textarea { height: auto; min-height: 80px; padding: 10px 12px; resize: vertical; }
.pc-form-input:focus, .pc-form-select:focus, .pc-form-textarea:focus,
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.pc-form-select, .form-select { appearance: none; padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}
.pc-form-row, .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pc-form-hint, .form-hint { font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.filter-bar { display: flex; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; align-items: flex-end; }
.filter-bar input, .filter-bar select { height: 36px; border: 1px solid var(--line); border-radius: 9px; padding: 0 12px; font-size: 13px; font-family: inherit; background: #fff; outline: none; }
.filter-bar input:focus, .filter-bar select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,.12); }
.filter-bar input { min-width: 200px; }
.filter-bar .form-group { margin-bottom: 0; min-width: 140px; }
.filter-bar .form-group.search { flex: 1; min-width: 200px; }

/* ---------------- 页签 ---------------- */
.tab-btn {
  padding: 8px 16px; font-size: 13px; font-weight: 500;
  color: var(--ink-3); cursor: pointer; border: 1px solid var(--line);
  background: #fff; border-radius: 9px;
  transition: all .15s;
}
.tab-btn:hover { color: var(--ink); }
.tab-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------------- 模态框 ---------------- */
.modal-overlay, .pc-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(15,23,42,.5);
  z-index: 200; align-items: center; justify-content: center;
  padding: 16px;
}
.modal-overlay.active { display: flex; }
.modal, .pc-modal {
  background: #fff; border-radius: 14px;
  width: 100%; max-width: 560px;
  box-shadow: var(--shadow-lg);
  animation: modalIn .18s ease;
  max-height: 86vh; display: flex; flex-direction: column;
  overflow: hidden;
}
.modal.lg, .pc-modal.lg { max-width: 760px; }
.modal-header, .pc-modal-header {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 20px; border-bottom: 1px solid var(--line);
  font-size: 15.5px; font-weight: 600;
}
.modal-close, .pc-modal-close {
  margin-left: auto; background: none; border: none;
  font-size: 22px; cursor: pointer; color: var(--ink-3);
  width: 30px; height: 30px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.modal-close:hover, .pc-modal-close:hover { background: var(--muted-light); color: var(--ink); }
.modal-body, .pc-modal-body { padding: 20px; overflow-y: auto; }
.modal-footer, .pc-modal-footer {
  padding: 14px 20px; border-top: 1px solid var(--line);
  display: flex; justify-content: flex-end; gap: 10px;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }

/* ---------------- 分页 ---------------- */
.pagination { display: flex; align-items: center; gap: 6px; padding: 14px 16px; flex-wrap: wrap; }
.page-info { font-size: 12.5px; color: var(--ink-3); margin-right: 8px; }
.page-link, .pagination button {
  min-width: 32px; height: 32px; padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px; border: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2); background: #fff;
  cursor: pointer; transition: all .15s;
}
.page-link:hover, .pagination button:hover { border-color: var(--primary); color: var(--primary); }
.page-link.active, .pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------------- Toast ---------------- */
.toast {
  position: fixed; top: 20px; right: 20px;
  padding: 12px 20px; border-radius: 11px;
  background: var(--ink); color: #fff;
  font-size: 14px; z-index: 300;
  opacity: 0; transform: translateY(-10px);
  transition: all .3s ease;
  box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* ---------------- 空状态 ---------------- */
.empty { text-align: center; padding: 48px 20px; color: var(--ink-3); }
.empty .e-icon { font-size: 44px; display: block; margin-bottom: 10px; }
.empty p { font-size: 14px; }

/* ---------------- 其它通用 ---------------- */
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.col { flex: 1; min-width: 0; }
.perm-chk { width: 16px; height: 16px; accent-color: var(--primary); }
.blue { background: var(--primary-light); color: var(--primary); }
.green { background: var(--success-light); color: var(--success); }
.yellow { background: var(--warning-light); color: #b45309; }
.red { background: var(--danger-light); color: var(--danger); }
.up { color: var(--success); }
.show { display: block !important; }

/* ---------------- 登录页 ---------------- */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #3b82f6 100%);
  padding: 20px;
  position: relative; overflow: hidden;
}
.login-page::before, .login-page::after {
  content: ''; position: absolute; border-radius: 50%;
  background: rgba(255,255,255,.06);
}
.login-page::before { width: 420px; height: 420px; left: -120px; bottom: -140px; }
.login-page::after { width: 300px; height: 300px; right: -80px; top: -100px; }
.login-box {
  background: #fff; border-radius: 16px;
  padding: 40px 36px; width: 100%; max-width: 400px;
  box-shadow: var(--shadow-lg);
  position: relative; z-index: 1;
  animation: modalIn .25s ease;
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), #22d3ee);
  color: #fff; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700;
  margin-bottom: 12px;
  box-shadow: 0 6px 16px rgba(59,130,246,.35);
}
.login-title { font-size: 21px; font-weight: 700; color: var(--ink); }
.login-subtitle { font-size: 13px; color: var(--ink-3); margin-top: 4px; }
.login-hint { text-align: center; font-size: 12px; color: var(--muted); margin-top: 20px; }
.error-msg {
  background: var(--danger-light); color: var(--danger);
  padding: 10px 14px; border-radius: 9px;
  font-size: 13px; margin-bottom: 16px; display: none;
}
.error-msg.show { display: block; }
.btn-login {
  width: 100%; height: 44px;
  background: var(--primary); color: #fff;
  border: none; border-radius: 10px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  margin-top: 8px; transition: all .2s;
  box-shadow: 0 4px 12px rgba(59,130,246,.3);
}
.btn-login:hover { background: var(--primary-dark); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
  .pc-sidebar, #appSidebar { transform: translateX(-100%); }
  .pc-sidebar.show, #appSidebar.show { transform: translateX(0); }
  .pc-main, .admin-main { margin-left: 0; }
  .pc-topbar .sidebar-toggle, .admin-topbar .sidebar-toggle { display: inline-flex; }
}
@media (max-width: 640px) {
  .pc-content, .admin-content, .content { padding: 14px; }
  .pc-stats-grid, .stats-row { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { flex-direction: column; }
  .filter-bar input { min-width: auto; }
}
@media (max-width: 480px) {
  .pc-stats-grid, .stats-row { grid-template-columns: 1fr; }
  .pc-topbar, .admin-topbar { padding: 0 12px; }
}
/* KPI 指标卡：6 个一行排满 */
.kpi-grid { grid-template-columns: repeat(6, 1fr) !important; gap: 12px; }
@media (max-width: 1200px) { .kpi-grid { grid-template-columns: repeat(3, 1fr) !important; } }
@media (max-width: 640px) { .kpi-grid { grid-template-columns: repeat(2, 1fr) !important; } }
/* 统计图表区：3 列 2 行 */
.stats-grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1200px) { .stats-grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .stats-grid-3 { grid-template-columns: 1fr; } }
/* 侧边栏分组标签（参照工单系统） */
.pc-sidebar .nav-group, #appSidebar .nav-group {
  margin: 16px 10px 4px; padding: 0 10px;
  font-size: 11px; color: #64748b;
  letter-spacing: 1.5px; text-transform: uppercase;
}
.pc-sidebar .nav-group:first-child, #appSidebar .nav-group:first-child { margin-top: 6px; }