/* Industrial blue introduction pages, based on design-system-A. */

.industrial-page {
  --bg: #F5F6F2;
  --surface: #FFFFFF;
  --surface-sunken: #EEF0EA;
  --ink: #151A19;
  --muted: #59615F;
  --muted-2: #858D8A;
  --line: #DEE3DE;
  --primary: #2864DC;
  --primary-bright: #3974E8;
  --accent: #18A99A;
  --success: #18A99A;
  --danger: #DC2626;
  --font-display: "WSR Noto Sans SC Core", "WSR Noto Sans SC Full", system-ui, sans-serif;
  --font-body: "WSR Noto Sans SC Core", "WSR Noto Sans SC Full", system-ui, sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", "Consolas", monospace;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}

.industrial-page .page-wrap {
  min-height: 100vh;
  background: var(--bg);
}

.industrial-page .site-nav {
  position: sticky;
  inset: auto;
  top: 0;
  left: auto;
  right: auto;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
  padding: 0 32px;
  background: rgba(245, 246, 242, 0.94);
  backdrop-filter: blur(8px);
  box-shadow: none;
}

.industrial-page .nav-logo {
  min-height: 40px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

.industrial-page .nav-logo > img {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 0;
  padding: 0;
  object-fit: contain;
}

.industrial-page .nav-links {
  flex: 1;
  justify-content: center;
  gap: 24px;
}

.industrial-page .nav-links a,
.industrial-page .nav-btn {
  min-height: 40px;
  border-radius: 10px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
}

.industrial-page .nav-links a:hover {
  background: transparent;
  color: var(--primary);
}

.industrial-page .nav-btn {
  border: 1px solid var(--line);
  padding: 0 18px;
}

.industrial-page .nav-btn.ghost {
  background: var(--surface);
  color: var(--ink);
}

.industrial-page .nav-btn.solid,
.industrial-page .btn-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: none;
}

.industrial-page .nav-btn.solid:hover,
.industrial-page .btn-primary:hover {
  border-color: var(--primary-bright);
  background: var(--primary-bright);
  transform: translateY(-1px);
}

.industrial-page .btn-secondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.industrial-page .btn-primary,
.industrial-page .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 10px;
  padding: 0 24px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.industrial-shell {
  width: min(1320px, calc(100% - 64px));
  margin: 0 auto;
}

.industrial-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 88px;
  align-items: center;
  min-height: 472px;
  border-bottom: 1px solid var(--line);
  padding: 96px 0 72px;
}

.industrial-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--primary-bright);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
}

.industrial-eyebrow::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--primary-bright);
}

.industrial-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 58px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.12;
}

.industrial-hero h1 strong {
  color: var(--primary-bright);
  font-weight: 700;
}

.industrial-lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.industrial-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.spec-panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(20, 24, 40, 0.04), 0 12px 40px rgba(50, 60, 120, 0.08);
}

.spec-panel header,
.spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  min-height: 52px;
  border-bottom: 1px solid var(--line);
  padding: 0 18px;
}

.spec-panel header {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row span {
  color: var(--muted);
  font-size: 14px;
}

.spec-row strong,
.spec-row code {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
}

.industrial-section {
  border-bottom: 1px solid var(--line);
  padding: 80px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-head h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
}

.section-head p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.tier-grid,
.feature-grid,
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--line);
}

.feature-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tier-card,
.feature-card,
.process-card {
  min-height: 200px;
  padding: 32px 28px;
  background: var(--surface);
}

.tier-card.is-dark {
  background: var(--ink);
  color: #FFFFFF;
}

.tier-card.is-accent {
  border-top: 3px solid var(--accent);
}

.card-kicker {
  display: block;
  margin-bottom: 16px;
  color: var(--primary-bright);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
}

.tier-card.is-dark .card-kicker {
  color: #8FB3FF;
}

.tier-card h3,
.feature-card h3,
.process-card h3 {
  margin: 0;
  color: inherit;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
}

.tier-card p,
.feature-card p,
.process-card p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.tier-card.is-dark p {
  color: #C9D3DF;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
}

.dense-list {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
}

.dense-list li {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 18px 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.dense-list li:last-child {
  border-bottom: 0;
}

.dense-list code {
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 12px;
}

.industrial-page footer {
  border-top: 0;
  background: var(--surface-sunken);
}

.industrial-page .footer-inner,
.industrial-page .footer-bottom {
  width: min(1320px, calc(100% - 64px));
  margin: 0 auto;
}

@media (max-width: 960px) {
  .industrial-hero,
  .split-section {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .tier-grid,
  .feature-grid,
  .process-grid,
  .feature-grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .industrial-page .site-nav {
    padding: 0 20px;
  }

  .industrial-shell,
  .industrial-page .footer-inner,
  .industrial-page .footer-bottom {
    width: min(100% - 40px, 1180px);
  }

  .industrial-hero {
    min-height: auto;
    padding: 64px 0;
  }

  .industrial-hero h1 {
    font-size: 36px;
  }

  .industrial-section {
    padding: 64px 0;
  }

  .tier-grid,
  .feature-grid,
  .process-grid,
  .feature-grid.two {
    grid-template-columns: 1fr;
  }

  .dense-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* Legacy user-page normalization */

.industrial-page .aurora,
.industrial-page .grid-dots,
.industrial-page .particle-canvas,
.industrial-page #particleCanvas {
  display: none;
}

.industrial-page .section-badge,
.industrial-page .about-section-head span,
.industrial-page .manual-section-kicker,
.industrial-page .tool-detail-kicker,
.industrial-page .subscribe-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-bright);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
}

.industrial-page .section-badge::before,
.industrial-page .about-section-head span::before,
.industrial-page .manual-section-kicker::before,
.industrial-page .tool-detail-kicker::before,
.industrial-page .subscribe-hero .eyebrow::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--primary-bright);
}

.industrial-page.about-page .about-hero,
.industrial-page.manual-page .manual-shell {
  width: min(1320px, calc(100% - 64px));
}

.industrial-page.about-page .about-hero {
  border-bottom: 1px solid var(--line);
  padding: 96px 0 64px;
}

.industrial-page.about-page .about-hero h1,
.industrial-page.manual-page .manual-hero h1,
.industrial-page.auth-page .auth-intro h1,
.industrial-page .subscribe-hero h1,
.industrial-page .tool-detail-summary h1 {
  color: var(--ink);
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.industrial-page.about-page .about-hero h1 {
  margin: 18px 0 12px;
  font-size: 52px;
  line-height: 1.12;
}

.industrial-page.about-page .about-slogan,
.industrial-page.manual-page .manual-hero p,
.industrial-page .about-copy p,
.industrial-page .manual-section p,
.industrial-page .subscribe-hero p,
.industrial-page .tool-detail-summary p,
.industrial-page .tool-detail-panel p,
.industrial-page .tool-detail-panel li,
.industrial-page .muted {
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.72;
}

.industrial-page.about-page .about-main {
  width: min(1180px, calc(100% - 64px));
  gap: 1px;
  margin-bottom: 80px;
}

.industrial-page .about-card,
.industrial-page .about-values article,
.industrial-page .manual-section,
.industrial-page .manual-toc,
.industrial-page .manual-card-grid div,
.industrial-page .manual-steps li,
.industrial-page .manual-note,
.industrial-page .auth-card,
.industrial-page .order-card,
.industrial-page .plan-card,
.industrial-page .subscription-pay-card,
.industrial-page .tool-detail-cover,
.industrial-page .tool-detail-summary,
.industrial-page .tool-detail-panel,
.industrial-page .tool-detail-state {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(20, 24, 40, 0.04), 0 12px 40px rgba(50, 60, 120, 0.08);
}

.industrial-page .about-values {
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--line);
}

.industrial-page .about-values article {
  border: 0;
  border-radius: 0;
}

.industrial-page .about-section {
  grid-template-columns: minmax(180px, 0.32fr) minmax(0, 1fr);
}

.industrial-page .about-section-head h2,
.industrial-page .manual-section h2,
.industrial-page .subscribe-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0;
}

.industrial-page .manual-page nav,
.industrial-page.manual-page nav {
  height: auto;
}

.industrial-page.manual-page .manual-shell {
  padding: 96px 0 80px;
}

.industrial-page.manual-page .manual-hero {
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

.industrial-page .manual-toc a {
  border-radius: 10px;
}

.industrial-page .manual-toc a:hover {
  background: var(--surface-sunken);
  color: var(--primary);
}

.industrial-page.auth-page {
  background: var(--bg);
}

.industrial-page.auth-page .back-home,
.industrial-page .tool-detail-nav a,
.industrial-page .tool-detail-back,
.industrial-page .tool-detail-share-btn,
.industrial-page .btn,
.industrial-page .sms-code-btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: none;
}

.industrial-page.auth-page .back-home:hover,
.industrial-page .tool-detail-nav a:hover,
.industrial-page .tool-detail-back:hover,
.industrial-page .tool-detail-share-btn:hover {
  border-color: var(--primary-bright);
  background: var(--surface);
  color: var(--primary);
}

.industrial-page.auth-page .auth-shell {
  width: min(1180px, calc(100% - 64px));
  gap: 72px;
}

.industrial-page.auth-page .auth-visual img {
  border: 1px solid var(--line);
  border-radius: 20px;
  -webkit-mask-image: none;
  mask-image: none;
}

.industrial-page.auth-page .auth-card h1::before {
  border-radius: 10px;
  background: var(--primary);
  color: #FFFFFF;
}

.industrial-page.auth-page .field input,
.industrial-page.auth-page .field select,
.industrial-page.auth-page .field textarea,
.industrial-page.auth-page input,
.industrial-page.auth-page select,
.industrial-page.auth-page textarea {
  border-radius: 10px;
}

.industrial-page.auth-page .btn.primary,
.industrial-page.auth-page button.btn.primary,
.industrial-page .plan-card .btn:not(:disabled),
.industrial-page .tool-detail-download-btn {
  border-color: var(--primary);
  border-radius: 10px;
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: none;
}

.industrial-page.auth-page .btn.primary:hover,
.industrial-page .plan-card .btn:not(:disabled):hover,
.industrial-page .tool-detail-download-btn:hover {
  border-color: var(--primary-bright);
  background: var(--primary-bright);
}

.industrial-page .subscribe-shell,
.industrial-page .tool-detail-shell {
  width: min(1320px, calc(100% - 64px));
}

.industrial-page .subscribe-header,
.industrial-page .tool-detail-topbar {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  box-shadow: none;
}

.industrial-page .subscribe-brand,
.industrial-page .tool-detail-brand,
.industrial-page .order-brand {
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
}

.industrial-page .subscribe-brand img,
.industrial-page .tool-detail-brand img,
.industrial-page .order-brand img {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.industrial-page .subscribe-hero {
  max-width: 760px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
  padding-bottom: 32px;
}

.industrial-page .plan-usage,
.industrial-page .wallet-card-head strong,
.industrial-page .tool-detail-meta span {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-sunken);
  color: var(--primary);
  font-family: var(--font-mono);
}

.industrial-page .plan-card-grid,
.industrial-page .recharge-grid {
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--line);
}

.industrial-page .plan-card,
.industrial-page .recharge-option {
  border: 0;
  border-radius: 0;
  background: var(--surface);
}

.industrial-page .plan-card.active {
  border-top: 3px solid var(--primary);
}

.industrial-page .subscription-pay-card {
  background: var(--surface);
}

.industrial-page .order-page {
  background: var(--bg);
}

.industrial-page .wechat-qr {
  border-color: var(--line);
  border-radius: 6px;
}

.industrial-page .tool-detail-topbar {
  padding: 0 32px;
}

.industrial-page .tool-detail-cover,
.industrial-page .tool-detail-summary,
.industrial-page .tool-detail-panel,
.industrial-page .tool-detail-state {
  background: var(--surface);
}

.industrial-page .tool-detail-meta span {
  background: var(--surface-sunken);
}

.industrial-page.settings-page {
  background: var(--bg);
  color: var(--ink);
}

.industrial-page .settings-sidebar {
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.industrial-page .settings-brand,
.industrial-page .settings-head h1,
.industrial-page .settings-panel h2,
.industrial-page .setting-row strong {
  color: var(--ink);
  font-family: var(--font-display);
}

.industrial-page .settings-brand img {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.industrial-page .settings-brand small,
.industrial-page .settings-head p,
.industrial-page .setting-row small,
.industrial-page .voice-note {
  color: var(--muted);
}

.industrial-page .settings-search,
.industrial-page .settings-group,
.industrial-page .billing-card,
.industrial-page .sub-user-card,
.industrial-page .workspace-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: none;
}

.industrial-page .settings-nav button,
.industrial-page .settings-back,
.industrial-page .upload-avatar-btn {
  border-radius: 4px;
  color: var(--muted);
}

.industrial-page .settings-nav button:hover,
.industrial-page .settings-nav button.active {
  background: var(--surface-sunken);
  color: var(--primary);
}

.industrial-page .settings-avatar {
  border-radius: 50%;
  background: var(--primary);
}

.industrial-page .setting-row {
  border-bottom-color: var(--line);
}

.industrial-page .settings-actions .btn.primary {
  border-color: var(--primary);
  border-radius: 4px;
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: none;
}

@media (max-width: 760px) {
  .industrial-page.about-page .about-hero,
  .industrial-page.about-page .about-main,
  .industrial-page.manual-page .manual-shell,
  .industrial-page.auth-page .auth-shell,
  .industrial-page .subscribe-shell,
  .industrial-page .tool-detail-shell {
    width: min(100% - 40px, 1180px);
  }

  .industrial-page.about-page .about-hero h1 {
    font-size: 36px;
  }

  .industrial-page.auth-page .auth-shell,
  .industrial-page .about-section {
    grid-template-columns: 1fr;
  }
}