/* 现货通 PC 端 · UI UX Pro Max 设计系统
   Style: Trust & Authority | B2B Service
   Colors: Navy #0F172A + CTA #0369A1 | Font: IBM Plex Sans */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  --color-primary: #0f172a;
  --color-secondary: #334155;
  --color-cta: #0369a1;
  --color-background: #f8fafc;
  --color-text: #020617;
  --bg: var(--color-background);
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: var(--color-text);
  --text-2: var(--color-secondary);
  --text-3: #64748b;
  --accent: var(--color-cta);
  --accent-soft: #e0f2fe;
  --accent-hover: #075985;
  --gold: #ca8a04;
  --gold-soft: #fef9c3;
  --up: #dc2626;
  --down: #059669;
  --warn: #d97706;
  --border: #e2e8f0;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(2, 6, 23, 0.06);
  --shadow-md: 0 4px 12px rgba(2, 6, 23, 0.08);
  --font: "IBM Plex Sans", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition: 200ms ease;
  --max-width: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; cursor: pointer; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
a:focus-visible, .btn:focus-visible, .topnav a:focus-visible,
.sidebar a:focus-visible, .tabs a:focus-visible,
.platform-card:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.proto-banner {
  background: var(--gold-soft);
  border-bottom: 1px solid #fde68a;
  padding: 10px 16px;
  font-size: 12px;
  color: #92400e;
  text-align: center;
  font-weight: 500;
}
.proto-banner a { font-weight: 600; color: var(--accent); }

.topbar {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e3a5f 55%, var(--color-cta) 100%);
  color: #fff;
  padding: 0 24px;
}
.topbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.brand h1 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; }
.brand p { font-size: 12px; opacity: 0.88; margin-top: 4px; font-weight: 500; }
.topnav { display: flex; gap: 4px; flex-wrap: wrap; }
.topnav a {
  color: rgba(255,255,255,0.88);
  padding: 8px 12px;
  border-radius: var(--radius-btn);
  font-size: 13px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.topnav a:hover, .topnav a.active {
  background: rgba(255,255,255,0.14);
  color: #fff;
  text-decoration: none;
}
.topnav .sep { color: rgba(255,255,255,0.25); padding: 8px 0; }
.user-area { font-size: 13px; text-align: right; font-weight: 500; }
.user-area a { color: #fff; }
.badge-status {
  display: inline-block;
  background: rgba(202, 138, 4, 0.35);
  color: #fde68a;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-left: 8px;
  border: 1px solid rgba(202, 138, 4, 0.45);
}

.trust-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 24px;
}
.trust-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
}
.trust-badge svg { width: 15px; height: 15px; color: var(--accent); flex-shrink: 0; }
.trust-badge.gold { background: var(--gold-soft); border-color: #fde68a; color: #92400e; }
.trust-badge.gold svg { color: var(--gold); }
.trust-bar .stat {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
}
.trust-bar .stat strong { color: var(--text-2); }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 24px 24px 48px; }
.breadcrumb { font-size: 12px; color: var(--text-3); margin-bottom: 16px; font-weight: 500; }
.breadcrumb a { color: var(--text-2); }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.page-head h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.03em;
}
.tag {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-left: 8px;
  vertical-align: middle;
}
.tag-new { background: #dcfce7; color: #15803d; }
.tag-mod { background: #fef3c7; color: #b45309; }

.layout { display: flex; gap: 20px; }
.sidebar {
  width: 210px;
  flex-shrink: 0;
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 8px 0;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  height: fit-content;
}
.sidebar h3 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-3);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sidebar a {
  display: block;
  padding: 11px 16px;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.sidebar a:hover, .sidebar a.on {
  background: var(--accent-soft);
  border-left-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}
.main { flex: 1; min-width: 0; }

.card {
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 22px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.02em;
}

.hero-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-cta) 100%);
  border-radius: var(--radius-card);
  padding: 28px 32px;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}
.hero-banner::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-banner h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.hero-banner p {
  font-size: 14px;
  opacity: 0.9;
  max-width: 52ch;
  line-height: 1.6;
}
.hero-banner .metrics {
  display: flex;
  gap: 28px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.hero-banner .metric strong {
  display: block;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.hero-banner .metric span {
  font-size: 12px;
  opacity: 0.8;
  font-weight: 500;
}

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 16px;
}
.tabs a {
  padding: 11px 18px;
  color: var(--text-2);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 13px;
  font-weight: 600;
  transition: color var(--transition), border-color var(--transition);
}
.tabs a:hover { color: var(--accent); text-decoration: none; }
.tabs a.on { color: var(--accent); border-bottom-color: var(--accent); }

.grid4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 900px) {
  .grid4 { grid-template-columns: repeat(2, 1fr); }
}
.platform-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 22px 16px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  color: inherit;
  display: block;
}
.platform-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: inherit;
}
.platform-card .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  background: var(--accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
}
.platform-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.platform-card p { font-size: 12px; color: var(--text-3); font-weight: 500; }

.form-row {
  display: flex;
  align-items: center;
  margin-bottom: 14px;
}
.form-row label {
  width: 140px;
  text-align: right;
  padding-right: 12px;
  color: var(--text-2);
  flex-shrink: 0;
  font-weight: 600;
  font-size: 13px;
}
.form-row label .req { color: var(--up); }
.form-row input, .form-row select, .form-row textarea {
  flex: 1;
  max-width: 400px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-family: var(--font);
  background: var(--surface);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
  outline: none;
}
.form-row textarea { min-height: 88px; resize: vertical; }
.form-hint { font-size: 12px; color: var(--text-3); margin: -8px 0 14px 152px; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data th {
  background: var(--surface-2);
  padding: 11px 14px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  font-weight: 700;
  color: var(--text-2);
  font-size: 12px;
  letter-spacing: 0.02em;
}
table.data td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
table.data tr:hover td { background: color-mix(in srgb, var(--accent-soft) 40%, var(--surface)); }
table.data .price { font-weight: 700; font-variant-numeric: tabular-nums; }

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius-btn);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  margin-right: 8px;
  transition: background var(--transition), opacity var(--transition);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-warn { background: var(--gold); color: #fff; }
.btn-danger { background: var(--up); color: #fff; }

.alert {
  padding: 14px 16px;
  border-radius: var(--radius-btn);
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.5;
  border: 1px solid transparent;
}
.alert-info {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent-hover);
}
.alert-warn {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}
.alert-success {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #047857;
}

.price-box {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.price-item {
  flex: 1;
  min-width: 180px;
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 18px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-sm);
}
.price-item .name { font-size: 13px; font-weight: 700; color: var(--text-2); }
.price-item .val {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 6px 0;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.price-item .chg { font-size: 12px; font-weight: 600; }
.chg-up { color: var(--up); }
.chg-down { color: var(--down); }

.footer {
  background: var(--color-primary);
  color: #94a3b8;
  padding: 32px 24px;
  margin-top: 48px;
  font-size: 13px;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer a {
  color: #cbd5e1;
  margin-right: 20px;
  font-weight: 500;
  transition: color var(--transition);
}
.footer a:hover { color: #fff; }
.footer .copy { margin-top: 16px; opacity: 0.75; font-size: 12px; }
.footer .trust-row {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  font-size: 12px;
}
.footer .trust-row span { color: #cbd5e1; }

.admin-layout { display: flex; min-height: calc(100vh - 72px); }
.admin-side {
  width: 220px;
  background: var(--color-primary);
  color: #fff;
  padding: 16px 0;
}
.admin-side a {
  display: block;
  padding: 12px 20px;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.admin-side a:hover, .admin-side a.on {
  background: color-mix(in srgb, var(--accent) 25%, var(--color-primary));
  color: #fff;
  text-decoration: none;
}
.admin-main { flex: 1; padding: 24px; background: var(--bg); }

.mobile-frame {
  width: 375px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 10px solid var(--color-primary);
}
.mobile-status {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
}
.mobile-content { padding: 16px; min-height: 500px; }
.mobile-tabbar {
  display: flex;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.mobile-tabbar a {
  flex: 1;
  text-align: center;
  padding: 10px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
}
.mobile-tabbar a.on { color: var(--accent); }

.stat-cards { display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.stat-card {
  flex: 1;
  min-width: 140px;
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.stat-card .label { font-size: 12px; color: var(--text-3); font-weight: 600; }
.stat-card .value {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 4px;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.flow-steps {
  display: flex;
  gap: 10px;
  margin: 16px 0;
  flex-wrap: wrap;
}
.flow-step {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 14px 10px;
  background: var(--surface-2);
  border-radius: var(--radius-btn);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  border: 1px solid var(--border);
  transition: background var(--transition);
}
.flow-step a { color: inherit; }
.flow-step.done { background: var(--accent-soft); color: var(--accent); }
.flow-step.cur { background: var(--accent); color: #fff; border-color: var(--accent); }

.checkbox-group label { margin-right: 16px; font-size: 13px; font-weight: 500; }

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .sitemap-grid { grid-template-columns: 1fr; }
}
.sitemap-group h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  letter-spacing: -0.02em;
}
.sitemap-group ul { list-style: none; }
.sitemap-group li { padding: 5px 0; font-size: 13px; }
.sitemap-group li a { color: var(--text-2); font-weight: 500; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}