/*
 * ScholarAI Design v3 — BOLD
 * Direction: Luxury editorial meets academic workspace
 * Palette: Midnight Navy · Coral Flame · Teal Mint · Warm Paper
*/

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,600;0,700;0,800;0,900;1,500;1,600&family=DM+Sans:ital,opsz,wght@0,4..20,400;0,4..20,500;0,4..20,600;0,4..20,700;1,4..20,400&family=JetBrains+Mono:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  /* ── Core Palette ── */
  --night: #080E1A;
  --night-soft: #131B2E;
  --night-surface: #1A233A;
  --night-border: rgba(255,255,255,0.06);

  --coral: #E84A3C;
  --coral-glow: #F8726A;
  --coral-deep: #C0392B;
  --coral-ghost: rgba(232,74,60,0.08);

  --teal: #0D9488;
  --teal-pale: #CCFBF1;
  --teal-ghost: rgba(13,148,136,0.08);

  --amber: #F59E0B;
  --amber-ghost: rgba(245,158,11,0.1);

  --paper: #FBFAF7;
  --paper-alt: #F3F0EA;
  --paper-border: #E8E4DB;

  --ink: #0F1419;
  --ink-soft: #3D4450;
  --ink-muted: #8892A0;

  /* ── Typography ── */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'DM Sans', -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  --text-xs: 0.7rem;
  --text-sm: 0.8rem;
  --text-base: 0.94rem;
  --text-lg: 1.05rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.6rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3.2rem;
  --text-5xl: 4.8rem;
  --text-6xl: 6rem;

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-base: 1.5;

  /* ── Spacing ── */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  /* ── Radii ── */
  --r-sm: 4px; --r-md: 8px; --r-lg: 14px; --r-xl: 20px;
  --r-2xl: 28px; --r-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 2px rgba(8,14,26,0.04);
  --shadow-md: 0 4px 12px rgba(8,14,26,0.06);
  --shadow-lg: 0 12px 28px rgba(8,14,26,0.08);
  --shadow-xl: 0 24px 48px rgba(8,14,26,0.12);

  /* ── Motion ── */
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);

  /* ── Layout ── */
  --sidebar-w: 260px;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; overflow-x: hidden; width: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font: inherit; border: none; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ═══════════════ BUTTONS ═══════════════ */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-5); border-radius: var(--r-sm);
  font-size: var(--text-sm); font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 180ms var(--ease-expo);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn--primary,
.btn-primary {
  background: var(--coral); color: #FFF;
  padding: 10px 20px; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600; cursor: pointer; border: none;
  box-shadow: 0 4px 16px rgba(232,74,60,0.25);
  transition: all 180ms var(--ease-expo);
  text-decoration: none; display: inline-block; text-align: center;
}
.btn--primary:hover,
.btn-primary:hover { background: var(--coral-deep); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,74,60,0.35); }
.btn--ghost { background: transparent; color: var(--ink-muted); border: 1px solid var(--paper-border); }
.btn--ghost:hover { border-color: #CDD0D5; color: var(--ink); }
.btn--ghost-light { background: transparent; color: #94A3B8; border: 1px solid rgba(255,255,255,0.12); border-radius: var(--r-sm); }
.btn--ghost-light:hover { border-color: rgba(255,255,255,0.25); color: #E2E8F0; }
.btn--secondary { background: var(--coral-ghost); color: var(--coral-deep); border-radius: var(--r-sm); }
.btn--secondary:hover { background: rgba(232,74,60,0.14); }
.btn--lg { padding: var(--sp-3) var(--sp-8); font-size: var(--text-base); }
.btn--sm { padding: var(--sp-1) var(--sp-4); font-size: var(--text-xs); }
.btn--block { width: 100%; justify-content: center; padding: var(--sp-3) var(--sp-6); }
.btn--dark {
  background: var(--night); color: #FFF;
  padding: var(--sp-4) var(--sp-8);
  border-radius: var(--r-lg);
  font-size: var(--text-sm); font-weight: 700;
  letter-spacing: 0.02em;
}
.btn--dark:hover { background: var(--coral); box-shadow: 0 8px 24px rgba(232,74,60,0.3); transform: translateY(-1px); }
.btn--dark:disabled { opacity: 0.35; pointer-events: none; }

/* Legacy button classes (compat with common.js modals & old pages) */
.btn-outline {
  background: transparent; color: var(--ink-soft); border: 1.5px solid var(--paper-border);
  padding: 10px 20px; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: all 180ms var(--ease-expo);
  text-decoration: none; display: inline-block; text-align: center;
}
.btn-outline:hover { border-color: var(--coral); color: var(--coral-deep); background: var(--coral-ghost); }
.btn-text {
  background: none; border: none; color: var(--ink-muted); font-size: 14px;
  font-weight: 500; cursor: pointer; padding: 8px 12px; transition: color 0.2s;
}
.btn-text:hover { color: var(--coral); }
.btn-sm { padding: 7px 16px; font-size: 13px; }
.btn-xs { font-size: 12px; padding: 2px 8px; }
.btn-block { display: block; width: 100%; }
.btn-lg { padding: 13px 28px; font-size: 15px; border-radius: 10px; }
.btn-primary:disabled, .btn-outline:disabled { opacity: 0.5; cursor: not-allowed; }
.btn--primary:disabled { opacity: 0.5; pointer-events: none; }

/* Page banner (old compat) */
.page-banner {
  background: linear-gradient(135deg, var(--night), var(--night-surface));
  color: #FFF; padding: 64px 24px 48px; text-align: center;
}
.page-banner h2 { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 700; margin-bottom: 12px; color: #FFF; }
.page-banner p { font-size: 16px; opacity: 0.85; color: rgba(255,255,255,0.85); }

/* ═══════════════ APP SHELL (sidebar layout) ══════════════ */
.app-shell {
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── SIDEBAR ── */
.sidebar {
  background: var(--night);
  color: #94A3B8;
  display: flex; flex-direction: column;
  padding: var(--sp-6) 0;
  border-right: 1px solid var(--night-border);
  position: fixed; top: 0; left: 0;
  width: var(--sidebar-w); min-width: var(--sidebar-w); height: 100vh;
  z-index: 100;
  background-image: repeating-linear-gradient(-45deg, transparent, transparent 2px, rgba(255,255,255,0.008) 2px, rgba(255,255,255,0.008) 4px);
  transition: width 0.3s var(--ease-expo), min-width 0.3s var(--ease-expo);
  overflow: hidden;
}
.sidebar-brand {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: 0 var(--sp-6) var(--sp-6);
  border-bottom: 1px solid var(--night-border);
  margin-bottom: var(--sp-4);
}
.sidebar-logo {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--coral) 0%, var(--coral-glow) 100%);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 20px; font-weight: 800; color: #FFF;
  box-shadow: 0 0 24px rgba(232,74,60,0.3);
}
.sidebar-brand-text { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: #FFF; }
.sidebar-nav { flex: 1; min-height: 0; padding: var(--sp-2) var(--sp-4); display: flex; flex-direction: column; gap: 2px; overflow-x: hidden; overflow-y: auto; }
.sidebar-section {
  display: flex; align-items: center; gap: 8px;
  margin: var(--sp-5) var(--sp-2) var(--sp-2);
  padding: 0;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.14em; color: rgba(255,255,255,0.24);
}
.sidebar-section::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.09), transparent);
}
.nav-item {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  color: #64748B;
  font-size: var(--text-sm); font-weight: 500;
  border-radius: var(--r-md);
  /* 只过渡颜色/背景，避免收起态切换时 font-size/padding 产生弹跳 */
  transition: color 150ms var(--ease-expo), background-color 150ms var(--ease-expo);
  position: relative;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-item:hover { color: #CBD5E1; background: rgba(255,255,255,0.04); }
.nav-item.active {
  color: #FFF;
  background: rgba(232,74,60,0.12);
}
.nav-item.active::before {
  content: '';
  position: absolute; left: -12px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 20px;
  background: var(--coral);
  border-radius: 0 2px 2px 0;
}
.nav-icon { width: 22px; min-width: 22px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
/* ── Global SVG icon consistency ── */
.nav-icon svg, .qa-icon svg, .feat-icon svg {
  width: 100%; height: 100%;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.nav-icon svg { color: #64748B; transition: color 150ms; }
.nav-item:hover .nav-icon svg { color: #CBD5E1; }
.nav-item.active .nav-icon svg { color: var(--coral-glow); }
.nav-badge {
  margin-left: auto; font-size: 10px; font-weight: 700;
  padding: 1px 7px; border-radius: 99px;
  background: var(--coral); color: #FFF;
  letter-spacing: 0.02em;
}
/* ── Tools grouped submenu (按类别折叠) ── */
.nav-group { display: flex; flex-direction: column; }
.nav-group-head {
  width: 100%; text-align: left; font: inherit; cursor: pointer;
  border: none; background: none;
}
.nav-chevron { margin-left: auto; width: 16px; height: 16px; color: #64748B; transition: transform 200ms var(--ease-expo); }
.nav-group.open .nav-chevron { transform: rotate(180deg); }
.nav-group-body { display: none; flex-direction: column; padding-left: 30px; margin: 2px 0; gap: 2px; }
.nav-group.open .nav-group-body { display: flex; }
.nav-sub-item {
  padding: var(--sp-2) var(--sp-4); font-size: var(--text-sm); font-weight: 500;
  color: #64748B; border-radius: var(--r-md); text-decoration: none;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: color 150ms var(--ease-expo), background-color 150ms var(--ease-expo);
}
.nav-sub-item:hover { color: #CBD5E1; background: rgba(255,255,255,0.04); }
.nav-sub-item.active { color: #FFF; background: rgba(232,74,60,0.12); }
.app-shell.sidebar-collapsed .nav-group-body { display: none !important; }
.app-shell.sidebar-collapsed .nav-chevron { display: none; }
.sidebar-footer {
  margin-top: auto;
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--night-border);
  display: flex; align-items: center; gap: var(--sp-3);
  flex-shrink: 0;
}
.sidebar-avatar {
  width: 36px; height: 36px; border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--teal), #14B8A6);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #FFF;
}
.sidebar-user-name { font-size: var(--text-sm); color: #E2E8F0; font-weight: 600; }
.sidebar-logout-btn {
  flex-shrink: 0; width: 32px; height: 32px;
  border-radius: var(--r-md); border: 1px solid var(--night-border);
  background: transparent; color: #94A3B8; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
.sidebar-logout-btn:hover { color: #E2E8F0; border-color: #475569; background: rgba(255, 255, 255, 0.04); }

/* 底部帮助入口 */
.sidebar-help { display: flex; align-items: center; gap: 10px; padding: var(--sp-3) var(--sp-6); }
.sidebar-help-link { font-size: 12px; color: #64748B; text-decoration: none; transition: color 150ms var(--ease-expo); }
.sidebar-help-link:hover { color: #CBD5E1; }
.sidebar-help-sep { color: rgba(255,255,255,0.12); }

/* ── HEADER ── */
.header {
  background: rgba(251,250,247,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--paper-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-6);
  margin-left: var(--sidebar-w);
  max-width: calc(100vw - var(--sidebar-w));
  position: sticky; top: 0; z-index: 50;
  min-width: 0;
  overflow: hidden;
}
.header-breadcrumb { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--text-sm); color: var(--ink-muted); }
.header-breadcrumb .current { color: var(--ink); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: var(--sp-3); }
.header-badge {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-xs); font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
  background: var(--coral-ghost); color: var(--coral-deep);
}

/* 顶部右侧工具栏：通知 / 积分 / 语言 视觉统一（对齐、尺寸、间距一致） */
.user-info-bar { display: inline-flex; align-items: center; gap: var(--sp-3); }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--r-md);
  color: var(--ink-muted); background: transparent; border: 0;
  text-decoration: none; position: relative; cursor: pointer;
  transition: all 150ms var(--ease-expo);
}
.icon-btn:hover { background: var(--paper-alt); color: var(--coral); }
.icon-btn .dot {
  position: absolute; top: 8px; right: 8px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--coral); display: block;
}
.lang-switch { display: inline-flex; align-items: center; gap: 2px; }
.lang-btn {
  padding: 4px 9px; font-size: 11px; font-weight: 700; line-height: 1;
  border: 1px solid var(--paper-border); background: var(--paper-alt);
  border-radius: var(--r-sm); cursor: pointer; color: var(--ink-muted);
  transition: all 150ms var(--ease-expo);
}
.lang-btn:hover { border-color: var(--coral); color: var(--coral); }
.lang-btn.active { background: var(--coral); color: #FFF; border-color: var(--coral); }

/* ─ MAIN ─ */
.main {
  padding: var(--sp-5) var(--sp-6);
  margin-left: var(--sidebar-w);
  max-width: calc(100vw - var(--sidebar-w));
  min-width: 0;
  overflow-x: hidden;
  display: flex; flex-direction: column; gap: var(--sp-6);
}

/* ═══════════════ BADGES ═══════════════ */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 10px; border-radius: var(--r-sm);
  font-size: 11px; font-weight: 700; letter-spacing: 0.02em;
  white-space: nowrap;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.badge--reviewing { background: #FEF3C7; color: #92400E; }
.badge--reviewing::before { background: var(--amber); }
.badge--done { background: #D1FAE5; color: #065F46; }
.badge--done::before { background: #10B981; }
.badge--pending { background: #DBEAFE; color: #1E40AF; }
.badge--pending::before { background: #3B82F6; }
.badge--failed { background: #FEE2E2; color: #991B1B; }
.badge--failed::before { background: var(--coral); }

/* ═══════════════ PAGE HERO ═══════════════ */
.page-hero { animation: fadeUp 0.6s var(--ease-expo) both; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl); font-weight: 800;
  color: var(--night);
  letter-spacing: -0.02em; line-height: var(--leading-tight);
}
.page-hero h1 .accent { color: var(--coral); font-style: italic; }
.page-hero p {
  font-size: var(--text-sm); color: var(--ink-muted);
  margin-top: var(--sp-2); max-width: 520px;
}

/* ═══════════════ SECTION HEADING ═══════════════ */
.section-label {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--coral);
  margin-bottom: var(--sp-4);
}
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-4xl); font-weight: 600;
  font-style: italic; color: var(--ink);
  letter-spacing: -0.02em; line-height: var(--leading-tight);
  margin-bottom: var(--sp-6); max-width: 720px;
}
.section-heading em { font-style: normal; color: var(--coral); }
.section-sub {
  font-size: var(--text-lg); color: var(--ink-muted);
  line-height: 1.7; max-width: 520px; margin-bottom: var(--sp-12);
}

/* ═══════════════ TABLE ═══════════════ */
.table-shell {
  background: #FFF;
  border: 1px solid var(--paper-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.table-toolbar {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--paper-border);
  background: var(--paper-alt);
}
.table-search {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: #FFF; border: 1px solid var(--paper-border);
  border-radius: var(--r-sm); flex: 1; max-width: 300px;
}
.table-search:focus-within { border-color: var(--coral); box-shadow: 0 0 0 3px var(--coral-ghost); }
.table-search input {
  border: none; outline: none; font: inherit; font-size: var(--text-sm);
  color: var(--ink); background: transparent; width: 100%;
}
.table-search input::placeholder { color: var(--ink-muted); }
.filter-chip {
  padding: var(--sp-1) var(--sp-4); border-radius: var(--r-sm);
  font-size: var(--text-xs); font-weight: 600;
  color: var(--ink-muted); border: 1px solid var(--paper-border);
  background: #FFF; transition: all 150ms;
}
.filter-chip:hover { border-color: #CDD0D5; }
.filter-chip.active { background: var(--coral); color: #FFF; border-color: var(--coral); }
table { width: 100%; border-collapse: collapse; }
thead th {
  padding: var(--sp-3) var(--sp-6); text-align: left;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--ink-muted);
  background: var(--paper-alt); border-bottom: 1px solid var(--paper-border);
  white-space: nowrap;
}
tbody td {
  padding: var(--sp-5) var(--sp-6);
  font-size: var(--text-sm); color: var(--ink-soft);
  border-bottom: 1px solid var(--paper-border);
  vertical-align: middle;
}
tbody tr { transition: background 120ms; }
tbody tr:hover { background: #FFFBF5; }
.table-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-6);
  border-top: 1px solid var(--paper-border);
}
.table-count { font-size: var(--text-xs); color: var(--ink-muted); }
.pages { display: flex; gap: 2px; }
.page-btn {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm); font-size: var(--text-sm); font-weight: 600;
  color: var(--ink-muted); transition: all 150ms;
}
.page-btn:hover { background: var(--paper-alt); color: var(--ink); }
.page-btn.active { background: var(--night); color: #FFF; }
.page-btn:disabled { opacity: 0.25; pointer-events: none; }

/* ─ LARGE SCREEN TABLE OPTIMIZATION ─ */
@media (min-width: 1440px) {
  .table-toolbar {
    padding: var(--sp-5) var(--sp-8);
  }
  thead th {
    padding: var(--sp-4) var(--sp-8);
  }
  tbody td {
    padding: var(--sp-6) var(--sp-8);
  }
  .table-footer {
    padding: var(--sp-4) var(--sp-8);
  }
}

@media (min-width: 1920px) {
  .table-search {
    max-width: 400px;
  }
}

/* ═══════════════ TOAST ═══════════════ */
.toast-container {
  position: fixed; top: 20px; right: 20px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 20px; border-radius: var(--r-md);
  font-size: var(--text-sm); font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 8px;
  animation: toastIn 0.3s var(--ease-expo);
  cursor: pointer;
}
.toast.success { background: #D1FAE5; color: #065F46; }
.toast.error { background: #FEE2E2; color: #991B1B; }
.toast.warn { background: #FEF3C7; color: #92400E; }
.toast.info { background: #DBEAFE; color: #1E40AF; }
.toast.removing { animation: toastOut 0.25s var(--ease-expo) forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(40px); } }

/* ═══════════════ UTILITY ═══════════════ */
.hidden { display: none !important; }
.empty-state { text-align: center; padding: 48px; color: var(--ink-muted); font-size: 14px; }

/* ═══════════════ FORM ELEMENTS (compat with common.js modals) ═══════════════ */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-bottom: 8px; }
.form-row { display: flex; flex-direction: column; }
.input {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--paper-border);
  border-radius: var(--r-sm); font-size: 14px; outline: none;
  transition: all 0.2s; background: #FFF; font-family: var(--font-body);
  color: var(--ink);
}
.input:focus { border-color: var(--coral); box-shadow: 0 0 0 3px var(--coral-ghost); }
.form-error {
  background: #FEE2E2; color: #991B1B;
  border: 1px solid #FECACA;
  padding: 10px 14px; border-radius: var(--r-sm); font-size: 13px;
  margin-bottom: 14px;
}
.password-wrapper { position: relative; display: flex; align-items: center; }
.password-wrapper .input { padding-right: 40px; }
.password-eye {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  cursor: pointer; font-size: 18px; user-select: none; opacity: 0.5;
  transition: opacity 0.2s; line-height: 1;
}
.password-eye:hover { opacity: 1; }
.modal-overlay {
  position: fixed; inset: 0; background: rgba(8,14,26,0.6);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  z-index: 200;
}
.modal {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: #FFF; border-radius: var(--r-xl, 20px); padding: 36px;
  width: 420px; max-width: 90vw; max-height: 90vh; overflow-y: auto;
  z-index: 201;
  box-shadow: 0 24px 80px rgba(8,14,26,0.18);
  border: 1px solid var(--paper-border, #E8E4DB);
}
.modal-switch { text-align: center; margin-top: 18px; font-size: 13px; color: var(--ink-muted); }
.modal-switch a { color: var(--coral); text-decoration: none; font-weight: 600; cursor: pointer; }
.modal-switch a:hover { text-decoration: underline; }
.modal h3 { font-size: 22px; font-weight: 700; margin-bottom: 28px; color: var(--night); font-family: var(--font-display); }

/* ═══════════════ NAV / LANG (compat) ═══════════════ */
.nav-lang { display: flex; align-items: center; gap: 2px; }
.btn-lang {
  background: none; border: 1px solid var(--paper-border);
  color: var(--ink-muted); font-size: 11px; font-weight: 700;
  padding: 4px 10px; border-radius: 4px; cursor: pointer;
  transition: all 0.2s; line-height: 1.4;
}
.btn-lang:hover { border-color: var(--coral); color: var(--coral-deep); }
.btn-lang.active { background: var(--coral); color: #FFF; border-color: var(--coral); }
.user-dropdown { position: relative; cursor: pointer; }
.user-name { font-size: 14px; font-weight: 500; color: var(--ink); user-select: none; white-space: nowrap; padding: 8px 0; }
.user-dropdown::after { content: ''; position: absolute; top: 100%; left: 0; right: 0; height: 14px; pointer-events: auto; }
.dropdown-menu {
  display: none; position: absolute; left: 0; top: calc(100% + 14px);
  background: #FFF; border-radius: var(--r-md);
  box-shadow: var(--shadow-lg); min-width: 140px;
  padding: 8px 0; z-index: 1000; border: 1px solid var(--paper-border);
}
.user-dropdown:hover .dropdown-menu, .dropdown-menu:hover,
.user-dropdown.open .dropdown-menu,
.site-nav .user-dropdown:hover .dropdown-menu,
.site-nav .user-dropdown.open .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block; padding: 8px 16px; font-size: 13px;
  color: var(--ink-soft); text-decoration: none; transition: all 0.15s;
}
.dropdown-menu a:hover { background: var(--coral-ghost); color: var(--coral-deep); }
.user-credits {
  font-size: 13px; font-weight: 600; color: var(--teal);
  background: var(--teal-pale); padding: 5px 14px; border-radius: 20px;
  border: 1px solid rgba(13,148,136,0.15); line-height: 1.4; white-space: nowrap;
}

/* ═══════════════ FOOTER ═══════════════ */
footer {
  background: var(--night);
  color: #FFF; padding: 64px 24px 32px;
  position: relative; overflow: hidden;
}
footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}
.footer-content {
  max-width: 1200px; margin: 0 auto;
  display: flex; gap: 64px; margin-bottom: 40px;
  position: relative; z-index: 1;
}
.footer-brand { flex: 1; }
.footer-logo-row { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo-row .logo-icon { width: 28px; height: 28px; border-radius: 6px; }
.footer-logo-text { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: #FFF; }
.footer-brand p { font-size: 13px; opacity: 0.5; line-height: 1.8; }
.footer-links { flex: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.footer-links h4 { font-size: 13px; font-weight: 700; margin-bottom: 16px; color: rgba(255,255,255,0.6); letter-spacing: 1px; text-transform: uppercase; }
.footer-links a { display: block; font-size: 13px; color: rgba(255,255,255,0.4); text-decoration: none; margin-bottom: 12px; transition: all 0.2s; }
.footer-links a:hover { color: rgba(255,255,255,0.8); padding-left: 4px; }
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 12px; color: rgba(255,255,255,0.25); text-align: center;
}

/* ═══════════════ NAV BAR (landing pages) ═══════════════ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251,250,247,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--paper-border);
  height: 60px;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; height: 100%;
  padding: 0 24px; gap: 36px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon { width: 34px; height: 34px; border-radius: 8px; }
.logo-text { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--night); letter-spacing: -0.3px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 14px; color: var(--ink-muted); text-decoration: none;
  font-weight: 500; transition: color 0.2s; position: relative; padding: 4px 0;
}
.nav-links a::after { display: none; }
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { display: none; }
.nav-actions { display: flex; gap: 8px; align-items: center; }
.nav-user { display: flex; align-items: center; gap: 14px; }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }

/* ═══════════════ SHARED SITE NAV — 首页与营销页共用，与 home.html 视觉一致 ═══════════════ */
html { scroll-padding-top: 84px; }
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px; display: flex; align-items: center;
  transition: all 300ms var(--ease-expo);
}
.site-nav.scrolled {
  background: rgba(251,250,247,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--paper-border);
}

.site-nav .nav-inner {
  max-width: 1440px; width: 100%; margin: 0 auto;
  padding: 0 var(--sp-12); display: flex; align-items: center; gap: var(--sp-8);
}
.site-nav .nav-logo {
  display: flex; align-items: center; gap: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--text-2xl); font-weight: 700;
  color: var(--night); letter-spacing: -0.01em; flex-shrink: 0;
}
.site-nav .nav-logo-mark {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  object-fit: contain;
  display: block;
}
.site-nav .nav-links { display: flex; gap: var(--sp-1); flex: 1; }
/* 仅作用于导航直接链接（> a），排除按钮与下拉菜单内链接，避免其文字色被导航链接规则覆盖 */
.site-nav .nav-links > a:not(.btn) {
  padding: var(--sp-2) var(--sp-4); border-radius: var(--r-full);
  font-size: var(--text-sm); font-weight: 500; white-space: nowrap; flex-shrink: 0;
  color: var(--ink-muted); transition: all 200ms;
}
.site-nav .nav-links > a:not(.btn):hover { color: var(--ink); }
.site-nav .nav-links > a:not(.btn)::after { display: none; }
.site-nav .nav-links > a:not(.btn).active { color: var(--coral); font-weight: 600; }
/* 显式锁定导航内主/次按钮文字色，确保不被上方 a 规则影响 */
.site-nav .nav-links a.btn--primary { color: #FFF; }
.site-nav .nav-links a.btn--ghost { color: var(--ink-muted); }
.site-nav .nav-actions { display: flex; align-items: center; gap: var(--sp-3); flex-shrink: 0; }
.site-nav .nav-user { display: flex; align-items: center; gap: 14px; flex-shrink: 1; min-width: 0; }
/* 统一顶部菜单操作区按钮尺寸，避免登录/注册/工作台/开始审稿因是否带 --sm 而高度、内边距、圆角不一致 */
.site-nav .nav-actions .btn,
.site-nav .nav-user .btn {
  height: 36px;
  padding: 0 16px;
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  line-height: 1;
}
/* 积分徽章与按钮统一高度，保持胶囊形不变 */
.site-nav .credits-badge { height: 36px; padding-top: 0; padding-bottom: 0; }
/* 重写版把 nav-actions / nav-user 嵌套进了 .nav-links（移动端抽屉需要），
   用 margin-left:auto 把操作区推到最右，与原版「兄弟节点 + flex:1」的视觉一致。
   去掉 961px 下限：否则 769–960px 区间操作区不被推右，按钮会紧贴导航链接造成错乱。 */
.site-nav .nav-links > .nav-actions,
.site-nav .nav-links > .nav-user { margin-left: auto; }
/* 首页深色 Hero：未滚动时头部文字/按钮反白，对齐原版 home.html 的内联规则。
   仅作用于首页（site-nav--home），不影响其它浅色背景营销页。 */
.site-nav.site-nav--home:not(.scrolled) {
  background: rgba(8,14,26,.96);
  border-bottom: 1px solid rgba(148,163,184,.12);
}
.site-nav.site-nav--home:not(.scrolled) .nav-logo { color: #FFF; }
.site-nav.site-nav--home:not(.scrolled) .nav-links > a:not(.btn) { color: #94A3B8; }
.site-nav.site-nav--home:not(.scrolled) .nav-links > a:not(.btn):hover { color: #FFF; }
.site-nav.site-nav--home:not(.scrolled) .nav-links > a:not(.btn).active { color: #FFF; font-weight: 600; }
.site-nav.site-nav--home:not(.scrolled) .btn--ghost { color: #94A3B8; border: 1px solid rgba(255,255,255,0.12); }
.site-nav.site-nav--home:not(.scrolled) .btn--ghost:hover { color: #FFF; background: transparent; }
.site-nav.site-nav--home:not(.scrolled) .user-name { color: #FFF; }
.site-nav.site-nav--home:not(.scrolled) .mobile-menu-btn { color: #FFF; }
.site-nav.site-nav--home:not(.scrolled) .lang-switch { background: rgba(255,255,255,.08); }
.site-nav.site-nav--home:not(.scrolled) .lang-btn { color: #94A3B8; }
.site-nav.site-nav--home:not(.scrolled) .lang-btn.active { background: rgba(255,255,255,.12); color: #FFF; }
/* 深色导航下：积分徽章改为半透明深色玻璃底 + 浅色文字，避免「浅字配浅粉底」看不清；
   浅色（滚动后）仍用原粉红渐变，深浅两种背景都清晰可读、风格一致。 */
.site-nav.site-nav--home:not(.scrolled) .credits-badge {
  background: rgba(255, 255, 255, 0.1);
  color: #E2E8F0;
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}
.site-nav .lang-switch {
  display: flex; gap: 2px; background: var(--paper-alt);
  border-radius: var(--r-md); padding: 3px;
  height: 36px; align-items: center;
}
.site-nav .lang-btn {
  height: 100%; padding: 0 12px; border-radius: var(--r-sm); font-size: 12px; font-weight: 700;
  color: var(--ink-muted); transition: all 150ms; background: none; border: none; cursor: pointer;
}
.site-nav .lang-btn.active { background: #FFF; color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.04); }
.site-nav .user-dropdown { position: relative; cursor: pointer; min-width: 0; display: inline-flex; align-items: center; }
.site-nav .user-name { display: block; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-sm); font-weight: 600; color: var(--ink); }
.site-nav .user-dropdown .dropdown-menu {
  display: none; position: absolute; left: 0; top: calc(100% + 8px);
  background: #FFF; border: 1px solid var(--paper-border);
  border-radius: var(--r-md); min-width: 140px;
  padding: var(--sp-1) 0; z-index: 1000;
  box-shadow: var(--shadow-lg);
}
.site-nav .user-dropdown .dropdown-menu a {
  display: block; padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm); color: var(--ink-soft);
  transition: background 120ms;
}
.site-nav .user-dropdown .dropdown-menu a:hover { background: var(--paper-alt); }

/* ═══════════════ STATS SECTION ═══════════════ */
.stats-section {
  background: var(--night);
  padding: 72px 24px; position: relative; overflow: hidden;
}
.stats-section::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(232,74,60,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(245,158,11,0.04) 0%, transparent 50%);
}
.stats-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 48px;
  position: relative; z-index: 1;
}
.stat-item { text-align: center; color: #FFF; }
.stat-number {
  display: block; font-family: var(--font-display);
  font-size: 48px; font-weight: 800;
  margin-bottom: 8px; letter-spacing: -1px; line-height: 1.1;
}
.stat-plus, .stat-unit { font-size: 20px; font-weight: 600; opacity: 0.6; }
.stat-label { font-size: 14px; opacity: 0.7; font-weight: 500; letter-spacing: 0.5px; }

/* ═══════════════ FEATURE CARDS (landing compat) ═══════════════ */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  background: #FFF; border-radius: var(--r-lg); padding: 32px 24px;
  border: 1px solid var(--paper-border);
  transition: all 0.2s; position: relative; overflow: hidden;
}
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); border-color: var(--coral); }
.feature-icon { font-size: 32px; margin-bottom: 18px; }
.feature-card h3 { font-size: 16px; font-weight: 700; color: var(--night); margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--ink-muted); line-height: 1.7; }

/* ═══════════════ FAQ ═══════════════ */
.faq-item {
  background: #FFF; border-radius: var(--r-lg); padding: 28px;
  border: 1px solid var(--paper-border); transition: all 0.2s;
}
.faq-item:hover { box-shadow: var(--shadow-lg); border-color: var(--coral); }
.faq-item h4 { font-size: 16px; font-weight: 700; color: var(--night); margin-bottom: 10px; }
.faq-item p { font-size: 14px; color: var(--ink-muted); line-height: 1.7; }

/* ═══════════════ SECTION HEADER ═══════════════ */
.section-header { text-align: center; margin-bottom: 56px; }
.section-title-lg {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 700; color: var(--night);
  margin-bottom: 16px; letter-spacing: -0.3px;
}
.section-sub-lg { font-size: 16px; color: var(--ink-muted); max-width: 600px; margin: 0 auto; line-height: 1.7; }

/* ═══════════════ TESTIMONIALS ═══════════════ */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: #FFF; border-radius: var(--r-lg); padding: 32px 28px;
  border: 1px solid var(--paper-border); position: relative; transition: all 0.2s;
}
.testimonial-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.testimonial-quote { font-family: var(--font-display); font-size: 64px; color: var(--coral-ghost); line-height: 0.6; margin-bottom: 16px; user-select: none; }
.testimonial-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.ta-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--coral), var(--coral-glow));
  color: #FFF; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; flex-shrink: 0;
}
.ta-name { font-size: 14px; font-weight: 700; color: var(--night); }
.ta-affil { font-size: 12px; color: var(--ink-muted); margin-top: 2px; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes riseIn {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideRight {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}
.anim-rise { animation: riseIn 0.55s var(--ease-expo) both; }
.anim-slide { animation: slideRight 0.45s var(--ease-expo) both; }
.anim-fade { animation: fadeIn 0.6s ease both; }
.d1 { animation-delay: 0s; }
.d2 { animation-delay: 0.08s; }
.d3 { animation-delay: 0.16s; }
.d4 { animation-delay: 0.24s; }
.d5 { animation-delay: 0.32s; }

/* Scroll reveal */
.reveal {
  animation: riseIn 0.65s var(--ease-expo) both;
  animation-timeline: view();
  animation-range: entry 12%;
}

/* ═══════════════ SIDEBAR COLLAPSE ═══════════════ */
.sidebar-toggle-btn {
  position: fixed;
  top: 50%;
  left: calc(var(--sidebar-w, 260px) - 14px);
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--night);
  color: #94A3B8;
  border: 2px solid var(--night-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 101;
  transition: left 0.3s var(--ease-expo), background 0.2s, color 0.2s, border-color 0.2s;
  padding: 0;
  font-size: 14px;
  line-height: 1;
}
.sidebar-toggle-btn:hover {
  background: var(--coral);
  color: #FFF;
  border-color: var(--coral);
}
.sidebar-toggle-btn svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s var(--ease-expo);
}

/* Collapsed sidebar state */
.app-shell.sidebar-collapsed {
  --sidebar-w: 60px;
}
.app-shell.sidebar-collapsed .sidebar-brand-text,
.app-shell.sidebar-collapsed .sidebar-section,
.app-shell.sidebar-collapsed .nav-item span:not(.nav-icon),
.app-shell.sidebar-collapsed .nav-badge,
.app-shell.sidebar-collapsed .sidebar-user-name,
.app-shell.sidebar-collapsed .sidebar-help,
.app-shell.sidebar-collapsed .sidebar-footer a,
.app-shell.sidebar-collapsed .sidebar-footer > div:not(.sidebar-avatar):not(.sidebar-logout-btn) {
  display: none;
}
.app-shell.sidebar-collapsed .sidebar-brand {
  justify-content: center;
  padding: 0 var(--sp-2) var(--sp-6);
}
.app-shell.sidebar-collapsed .sidebar-nav {
  padding: var(--sp-2) var(--sp-1);
}
.app-shell.sidebar-collapsed .nav-item {
  justify-content: center;
  padding: var(--sp-3);
  font-size: 0;
  line-height: 0;
  /* 收起态下禁用过渡，防止文字隐藏/显示时尺寸抖动 */
  transition: none;
}
.app-shell.sidebar-collapsed .nav-icon {
  margin: 0;
  font-size: 0;
  line-height: 0;
}
.app-shell.sidebar-collapsed .sidebar-footer {
  justify-content: center;
  padding: var(--sp-4) var(--sp-2);
}
.app-shell.sidebar-collapsed .sidebar-toggle-btn {
  left: 46px;
}
.app-shell.sidebar-collapsed .sidebar-toggle-btn svg {
  transform: rotate(180deg);
}

/* Ensure header and main always respect sidebar width */
.header {
  transition: margin-left 0.3s var(--ease-expo), max-width 0.3s var(--ease-expo);
}
.main {
  transition: margin-left 0.3s var(--ease-expo), max-width 0.3s var(--ease-expo);
}
.app-shell.sidebar-collapsed .header,
.app-shell.sidebar-collapsed .main {
  margin-left: 60px;
  max-width: calc(100vw - 60px);
}

/* ═══════════════ RESPONSIVE ═════════════ */
@media (max-width: 960px) {
  .sidebar { display: none; }
  .main { padding: var(--sp-5); margin-left: 0; max-width: 100vw; }
  .header { padding: 0 var(--sp-5); margin-left: 0; max-width: 100vw; }
  .sidebar-toggle-btn { display: none !important; }
}

/* ─ LARGE SCREEN OPTIMIZATION ─ */
@media (min-width: 1440px) {
  .main {
    max-width: 1600px;
    /* 始终避开固定侧边栏；超宽屏自动在侧边栏右侧居中，避免内容被遮挡 */
    margin-left: max(var(--sidebar-w), calc((100vw - 1600px) / 2));
    margin-right: auto;
  }
}

@media (min-width: 1920px) {
  .main {
    max-width: 1800px;
  }
}

/* ═══════════════ CREDITS BADGE — Global Style ═══════════════ */
.credits-badge {
  position: relative;
  background: linear-gradient(135deg, #FFF0F0 0%, #FFE8E8 100%);
  color: #DC2626;
  padding: 6px 14px 6px 32px;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.3px;
  box-shadow: 
    0 2px 8px rgba(239, 68, 68, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(252, 165, 165, 0.3);
  transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  overflow: visible;
}
.credits-badge::before {
  content: '✦';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: #F59E0B;
  text-shadow: 0 1px 2px rgba(245, 158, 11, 0.25);
}
.credits-badge:hover {
  transform: translateY(-1px) scale(1.04);
  box-shadow: 
    0 4px 12px rgba(239, 68, 68, 0.15),
    0 0 0 2px rgba(239, 68, 68, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  border-color: rgba(252, 165, 165, 0.5);
}
.credits-badge:hover::before {
  color: #EF4444;
  text-shadow: 0 2px 4px rgba(239, 68, 68, 0.35);
}
.credits-badge:active {
  transform: translateY(0) scale(1.02);
  box-shadow: 
    0 2px 6px rgba(239, 68, 68, 0.12),
    inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* ═══════════════ SVG ICONS — Global Style ═══════════════ */
.nav-icon,
.qa-icon svg,
.pv-stat-icon svg {
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.nav-icon svg {
  width: 18px; height: 18px;
}
.qa-icon svg {
  width: 28px; height: 28px;
}
.pv-stat-icon svg {
  width: 32px; height: 32px;
}