/* ============================================================
   晨焕柔荑信息发布站 · 当当网风格 全量重绘 v1
   白底 + 当当红 #ff2832 + 橙色辅助 + 微软雅黑 + 4px 小圆角
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --primary: #ff2832;
  --primary-dark: #e6181f;
  --primary-light: #fff1f1;
  --primary-glow: rgba(255, 40, 50, .25);
  --accent: #ff9a00;
  --gold: #ff9a00;
  --ink: #333;
  --ink-strong: #222;
  --muted: #999;
  --line: #e6e6e6;
  --line-strong: #d9d9d9;
  --bg: #fff;
  --bg2: #f5f5f5;
  --card: #fff;
  --card-solid: #fff;
  --input-bg: #fff;
  --success: #42b035;
  --warning: #ff9a00;
  --danger: #f20d0d;
  --link: #1a66b3;
  --radius: 4px;
  --shadow: 0 2px 8px rgba(0, 0, 0, .08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, .12);
  --max-width: 1200px;
}

/* ---------- Reset & Base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
input, select, textarea, button { font-family: inherit; font-size: 14px; }
h1, h2, h3, h4, h5 { color: var(--ink-strong); font-weight: 700; line-height: 1.4; }

.container, .wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 16px; }

/* ---------- Top Bar ---------- */
.top-bar {
  background: var(--bg2);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: #666;
}
.top-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top-bar-left { display: flex; align-items: center; gap: 8px; }
.top-bar-right { display: flex; align-items: center; gap: 8px; }
.top-bar-right a { color: #666; }
.top-bar-right a:hover { color: var(--primary); }
.shop-entry {
  color: #fff !important;
  background: var(--primary);
  border-radius: var(--radius);
  padding: 2px 10px;
}
.shop-entry:hover { background: var(--primary-dark); }

/* ---------- Site Header / Main Nav ---------- */
.site-header {
  background: #fff;
  border-bottom: 2px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
}
.main-nav { display: block; }
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo { width: 40px; height: 40px; border-radius: 8px; }
.nav-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .5px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 18px;
  font-size: 16px;
  color: var(--ink-strong);
  font-weight: 700;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 18px; right: 18px; bottom: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-hint { font-size: 12px; color: var(--muted); }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  transition: all .15s;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff !important; }
.btn-primary:hover { background: var(--primary-dark); color: #fff !important; }
.btn-outline { background: #fff; color: var(--ink) !important; border-color: var(--line-strong); }
.btn-outline:hover { color: var(--primary) !important; border-color: var(--primary); }
.btn-ghost { background: transparent; color: var(--ink) !important; }
.btn-ghost:hover { color: var(--primary) !important; }
.btn-danger { background: var(--danger); color: #fff !important; }
.btn-danger:hover { background: #d40b0b; }
.btn-success { background: var(--success); color: #fff !important; }
.btn-success:hover { background: #38992d; }
.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn-lg { padding: 12px 32px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }

/* ---------- Sections ---------- */
.section { padding: 40px 0; }
.section-head {
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.section-head h2 {
  font-size: 22px;
  padding-left: 12px;
  border-left: 4px solid var(--primary);
  line-height: 1.2;
}
.eyebrow {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Stats Row ---------- */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-size: 26px;
  color: var(--primary);
  font-weight: 700;
}
.stat-item span { font-size: 12px; color: var(--muted); }

/* ---------- Category Grid ---------- */
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.category-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  transition: all .15s;
  color: var(--ink);
}
.category-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  color: var(--ink);
}
.category-card h3 { font-size: 16px; margin-bottom: 6px; }
.category-card:hover h3 { color: var(--primary); }
.category-card p { font-size: 12px; color: var(--muted); }

/* ---------- Flow Steps ---------- */
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.flow-step {
  background: var(--bg2);
  border-radius: var(--radius);
  padding: 20px 18px;
  text-align: center;
}
.flow-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  margin-bottom: 10px;
}
.flow-step h3 { font-size: 15px; margin-bottom: 6px; }
.flow-step p { font-size: 12px; color: var(--muted); }

/* ---------- Card Grid ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .15s;
  display: flex;
  flex-direction: column;
}
.card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.card-body { padding: 16px; flex: 1; }
.card-body h3 { font-size: 15px; margin-bottom: 8px; }
.card-body h3 a { color: var(--ink-strong); }
.card-body h3 a:hover { color: var(--primary); }
.card-body p { font-size: 13px; color: #666; }
.card-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: #fafafa;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}
.card-meta { font-size: 12px; color: var(--muted); display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Tags & Price ---------- */
.tag {
  display: inline-block;
  padding: 1px 8px;
  font-size: 12px;
  border-radius: var(--radius);
  background: var(--bg2);
  color: #666;
  border: 1px solid var(--line);
}
.tag-primary { background: var(--primary-light); color: var(--primary); border-color: rgba(255, 40, 50, .3); }
.tag-success { background: #f0f9ee; color: var(--success); border-color: rgba(66, 176, 53, .3); }
.price { color: var(--primary); font-weight: 700; font-size: 16px; }
.price::first-letter { font-size: 12px; }

/* ---------- Trust Section ---------- */
.trust-section { background: var(--bg2); padding: 40px 0; }
.trust-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.trust-arrow { text-align: center; font-size: 20px; color: var(--primary); }

/* ---------- Auth Pages ---------- */
.auth-page {
  min-height: calc(100vh - 96px);
  background: var(--bg2);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 36px;
}
.auth-card h1 { font-size: 22px; margin-bottom: 4px; text-align: center; }
.auth-subtitle { text-align: center; font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.auth-form .form-group { margin-bottom: 16px; }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.checkbox-label input { margin-top: 4px; }
.auth-footer { margin-top: 16px; text-align: center; font-size: 13px; color: var(--muted); }
.auth-hint { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }
.form-group label, .form-group > label { display: block; font-size: 14px; color: var(--ink-strong); margin-bottom: 6px; font-weight: 700; }
.label-hint { font-size: 12px; color: var(--muted); font-weight: 400; }
.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--input-bg);
  color: var(--ink);
  transition: border-color .15s;
  outline: none;
}
.form-control:focus { border-color: var(--primary); }
.form-control.is-invalid { border-color: var(--danger); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-check { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.field-error { display: block; color: var(--danger); font-size: 12px; margin-top: 4px; }
textarea.form-control { min-height: 120px; resize: vertical; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); }
th { background: #fafafa; color: var(--ink-strong); font-weight: 700; white-space: nowrap; }
tbody tr:hover { background: #fffbfb; }
tbody tr:last-child td { border-bottom: none; }

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 2px;
  font-size: 12px;
  line-height: 1.6;
}
.badge-pending { background: #fff7e8; color: var(--warning); border: 1px solid rgba(255, 154, 0, .4); }
.badge-approved { background: #f0f9ee; color: var(--success); border: 1px solid rgba(66, 176, 53, .4); }
.badge-rejected { background: #fff0f0; color: var(--danger); border: 1px solid rgba(242, 13, 13, .4); }
.badge-paid { background: var(--primary-light); color: var(--primary); border: 1px solid rgba(255, 40, 50, .4); }
.badge-info { background: #eef6fd; color: var(--link); border: 1px solid rgba(26, 102, 179, .4); }
.badge-active { background: #f0f9ee; color: var(--success); border: 1px solid rgba(66, 176, 53, .4); }
.badge-inactive { background: #f5f5f5; color: var(--muted); border: 1px solid var(--line); }

/* ---------- Search Bar ---------- */
.search-bar {
  display: flex;
  gap: 0;
  max-width: 640px;
  margin: 0 auto 24px;
}
.search-bar input {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--primary);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  outline: none;
  font-size: 14px;
}
.search-bar button, .search-bar .btn {
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 10px 28px;
}

/* ---------- Sidebar Layout ---------- */
.sidebar-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; }
.sidebar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 0;
  align-self: start;
}
.sidebar-nav a {
  display: block;
  padding: 10px 20px;
  color: var(--ink);
  font-size: 14px;
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: var(--bg2); color: var(--primary); }
.sidebar-nav a.active {
  background: var(--primary-light);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 700;
}
.filter-list a {
  display: block;
  padding: 8px 20px;
  font-size: 13px;
  color: #666;
}
.filter-list a:hover, .filter-list a.active { color: var(--primary); }
.filter-list a.active { font-weight: 700; }

/* ---------- Dashboard ---------- */
.dashboard-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; }
.dashboard-sidebar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 0;
  align-self: start;
}
.dashboard-main { min-width: 0; }
.stats-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.stat-card strong { display: block; font-size: 24px; color: var(--primary); }
.stat-card span { font-size: 12px; color: var(--muted); }
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.panel h3, .panel h2 { font-size: 16px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }

/* ---------- Admin Layout ---------- */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; gap: 20px; max-width: var(--max-width); margin: 0 auto; padding: 20px 16px; }
.admin-sidebar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 0;
  align-self: start;
}
.admin-sidebar a {
  display: block;
  padding: 10px 20px;
  color: var(--ink);
  font-size: 14px;
  border-left: 3px solid transparent;
}
.admin-sidebar a:hover { background: var(--bg2); color: var(--primary); }
.admin-sidebar a.active { background: var(--primary-light); color: var(--primary); border-left-color: var(--primary); font-weight: 700; }
.admin-main { min-width: 0; }
.admin-kpi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.admin-kpi .stat-card { border-top: 2px solid var(--primary); }

/* ---------- Detail Pages ---------- */
.detail-hero {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.detail-hero-content h1 { font-size: 22px; margin-bottom: 10px; }
.detail-meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 20px; }
.detail-main { min-width: 0; }
.detail-side { align-self: start; }
.content-text { font-size: 14px; line-height: 1.9; color: var(--ink); }
.content-text h3 { font-size: 16px; margin: 18px 0 8px; padding-left: 10px; border-left: 3px solid var(--primary); }
.content-text p { margin-bottom: 12px; }
.content-text ul { list-style: disc; padding-left: 20px; margin-bottom: 12px; }
.content-text li { margin-bottom: 4px; }
.content-text img { margin: 12px 0; border-radius: var(--radius); border: 1px solid var(--line); }

/* ---------- Publish Page ---------- */
.publish-page { max-width: 860px; margin: 0 auto; padding: 24px 16px; }
.publish-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 32px;
}
.publish-card h1 { font-size: 20px; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }

/* ---------- Error Page ---------- */
.error-page { text-align: center; padding: 80px 16px; }
.error-card h1 { font-size: 56px; color: var(--primary); margin-bottom: 12px; }
.error-card p { color: var(--muted); margin-bottom: 24px; }

/* ---------- Empty State ---------- */
.empty-state { text-align: center; padding: 64px 16px; color: var(--muted); }
.empty-icon { font-size: 48px; margin-bottom: 12px; }

/* ---------- Alerts ---------- */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-error { background: #fff0f0; color: var(--danger); border-color: rgba(242, 13, 13, .3); }
.alert-success { background: #f0f9ee; color: var(--success); border-color: rgba(66, 176, 53, .3); }
.alert-info { background: #eef6fd; color: var(--link); border-color: rgba(26, 102, 179, .3); }
.alert-warning { background: #fff7e8; color: var(--warning); border-color: rgba(255, 154, 0, .3); }

/* ---------- Pagination ---------- */
.pagination { display: flex; justify-content: center; gap: 6px; margin: 24px 0; flex-wrap: wrap; }
.pagination a, .pagination span, .pagination button {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-size: 13px;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .disabled { color: #ccc; cursor: not-allowed; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg2); border-top: 1px solid var(--line); margin-top: 48px; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 32px 16px 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 24px;
  padding-bottom: 24px;
}
.footer-col strong { font-size: 16px; color: var(--ink-strong); }
.footer-col p { font-size: 12px; color: var(--muted); margin-top: 4px; }
.footer-col h4 { font-size: 14px; color: var(--ink-strong); margin-bottom: 12px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a, .footer-col ul li { font-size: 12px; color: #666; }
.footer-col ul a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 16px 0;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--primary); }

/* ---------- Utilities ---------- */
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }
.text-center { text-align: center; } .text-right { text-align: right; } .text-left { text-align: left; }
.text-muted { color: var(--muted); } .text-primary { color: var(--primary); }
.text-success { color: var(--success); } .text-danger { color: var(--danger); }
.text-small { font-size: 12px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-4 { gap: 4px; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; }
.flex-wrap { flex-wrap: wrap; } .flex-1 { flex: 1; }
.hidden { display: none !important; }
.visible { display: block !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ---------- Responsive: 1024px ---------- */
@media (max-width: 1024px) {
  .stats-row, .stats-cards, .admin-kpi { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps, .trust-steps { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sidebar-layout, .dashboard-layout, .admin-layout, .detail-layout { grid-template-columns: 1fr; }
  .hero-img { display: none; }
  .nav-links { gap: 0; }
  .nav-link { padding: 8px 10px; font-size: 14px; }
}

/* ---------- Responsive: 640px ---------- */
@media (max-width: 640px) {
  .top-bar-left span:last-child { display: none; }
  .nav-inner { height: auto; flex-wrap: wrap; padding: 10px 16px; }
  .nav-links { order: 3; width: 100%; overflow-x: auto; }
  .stats-row, .stats-cards, .admin-kpi, .category-grid, .flow-steps, .trust-steps,
  .card-grid, .card-grid.cols-2, .card-grid.cols-4, .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 24px 20px; }
  .section { padding: 24px 0; }
}