@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

.lblo-page {
  --lblo-bg: #0b1120;
  --lblo-bg-soft: #111827;
  --lblo-surface: #151d2e;
  --lblo-surface-elevated: #1a2438;
  --lblo-ink: #f1f5f9;
  --lblo-body: #cbd5e1;
  --lblo-muted: #94a3b8;
  --lblo-line: #2a3548;
  --lblo-line-strong: #3d4f6f;
  --lblo-primary: #60a5fa;
  --lblo-radius: 20px;
  --lblo-radius-sm: 12px;
  --lblo-shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 12px 40px rgba(0, 0, 0, 0.35);
  --lblo-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.4), 0 24px 48px rgba(0, 0, 0, 0.45);
  --lblo-topbar-h: 56px;
  --lblo-accent-blue: #60a5fa;
  --lblo-accent-violet: #a78bfa;
  --lblo-accent-indigo: #818cf8;
  --lblo-accent-amber: #fbbf24;
  --lblo-accent-teal: #2dd4bf;
  --lblo-accent-emerald: #34d399;
  --lblo-ok: #34d399;
  --lblo-warn: #fbbf24;
  --lblo-danger: #f87171;
  --lblo-mix-base: var(--lblo-surface);
  --lblo-glass: rgba(21, 29, 46, 0.82);
  --lblo-line-switcher-h: 0;

  position: relative;
  min-height: 100vh;
  background: var(--lblo-bg);
  color: var(--lblo-ink);
  color-scheme: dark;
  font-family: 'Plus Jakarta Sans', Inter, system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: clip;
}

.lblo-page--present {
  scroll-snap-type: y proximity;
}

.lblo-page--present .lblo-module {
  scroll-snap-align: start;
}

.lblo-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.lblo-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}

.lblo-bg-orb--1 {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.22) 0%, transparent 70%);
}

.lblo-bg-orb--2 {
  width: 420px;
  height: 420px;
  bottom: 10%;
  left: -100px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.16) 0%, transparent 70%);
}

.lblo-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65) 0%, transparent 85%);
}

.lblo-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 10px 16px;
  background: var(--lblo-primary);
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

.lblo-skip:focus {
  left: 16px;
  top: 16px;
}

/* 系统介绍 + 四大条线 */
.lblo-system-intro {
  position: relative;
  z-index: 1;
  padding: 40px 20px 32px;
  border-bottom: 1px solid var(--lblo-line);
}

.lblo-system-intro-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.lblo-system-intro-header {
  max-width: 760px;
  margin-bottom: 28px;
}

.lblo-system-intro .lblo-evolution {
  margin-bottom: 28px;
}

.lblo-system-intro-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.28);
  color: var(--lblo-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.lblo-system-intro-header h1 {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  background: linear-gradient(135deg, #f8fafc 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lblo-system-intro-tagline {
  margin: 0 0 14px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--lblo-accent-teal);
}

.lblo-system-intro-summary {
  margin: 0;
  max-width: 680px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--lblo-body);
}

.lblo-system-hub {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 72px;
  margin: 0 0 20px;
}

.lblo-system-hub-core {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--lblo-surface-elevated);
  border: 1px solid var(--lblo-line-strong);
  color: var(--lblo-ink);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: var(--lblo-shadow);
}

.lblo-system-hub-ring {
  position: absolute;
  inset: 0;
  margin: auto;
  width: min(100%, 520px);
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--lblo-accent-blue),
    var(--lblo-accent-teal),
    var(--lblo-accent-violet),
    var(--lblo-accent-emerald),
    transparent
  );
  opacity: 0.55;
}

.lblo-line-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lblo-line-card {
  --line-accent: var(--lblo-primary);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 14px;
  width: 100%;
  min-height: 44px;
  padding: 16px 18px;
  border: 1px solid var(--lblo-line);
  border-radius: var(--lblo-radius);
  background: var(--lblo-surface);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s, background 0.2s;
}

.lblo-line-card--blue { --line-accent: var(--lblo-accent-blue); }
.lblo-line-card--violet { --line-accent: var(--lblo-accent-violet); }
.lblo-line-card--indigo { --line-accent: var(--lblo-accent-indigo); }
.lblo-line-card--amber { --line-accent: var(--lblo-accent-amber); }
.lblo-line-card--teal { --line-accent: var(--lblo-accent-teal); }
.lblo-line-card--emerald { --line-accent: var(--lblo-accent-emerald); }

.lblo-line-card:hover {
  border-color: color-mix(in srgb, var(--line-accent) 45%, var(--lblo-line));
  box-shadow: var(--lblo-shadow);
  transform: translateY(-1px);
}

.lblo-line-card.is-active {
  border-color: color-mix(in srgb, var(--line-accent) 55%, var(--lblo-line));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--line-accent) 10%, var(--lblo-surface)) 0%,
    var(--lblo-surface-elevated) 100%
  );
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--line-accent) 22%, transparent), var(--lblo-shadow);
}

.lblo-line-card:focus-visible {
  outline: 2px solid var(--line-accent);
  outline-offset: 2px;
}

.lblo-line-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--line-accent) 18%, var(--lblo-mix-base));
  color: var(--line-accent);
  flex-shrink: 0;
}

.lblo-line-card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.lblo-line-card-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.lblo-line-card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--lblo-ink);
}

.lblo-line-card-badge {
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--lblo-bg-soft);
  color: var(--lblo-muted);
  font-size: 0.6875rem;
  font-weight: 600;
}

.lblo-line-card.is-active .lblo-line-card-badge {
  background: color-mix(in srgb, var(--line-accent) 18%, var(--lblo-mix-base));
  color: var(--line-accent);
}

.lblo-line-card-tagline {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--line-accent);
}

.lblo-line-card-loop {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--lblo-muted);
}

.lblo-line-card-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  color: var(--lblo-muted);
  flex-shrink: 0;
}

.lblo-line-card.is-active .lblo-line-card-meta {
  color: var(--line-accent);
}

.lblo-line-card-stat {
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.lblo-system-intro-footnote {
  margin: 16px 0 0;
  font-size: 0.8125rem;
  color: var(--lblo-muted);
  text-align: center;
}

/* 三大数据底座 */
.lblo-data-foundations {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--lblo-line);
}

.lblo-data-foundations-header {
  margin-bottom: 20px;
}

.lblo-data-foundations-header h2 {
  margin: 0 0 10px;
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--lblo-ink);
}

.lblo-data-foundations-tagline {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--lblo-accent-teal);
}

.lblo-data-foundations-summary {
  margin: 0;
  max-width: 820px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--lblo-body);
}

.lblo-data-pillar-grid {
  display: grid;
  gap: 16px;
}

.lblo-data-pillar {
  --pillar-accent: var(--lblo-primary);
  padding: 20px 22px;
  border: 1px solid var(--lblo-line);
  border-radius: var(--lblo-radius);
  background: var(--lblo-surface);
  box-shadow: var(--lblo-shadow);
}

.lblo-data-pillar--blue { --pillar-accent: var(--lblo-accent-blue); }
.lblo-data-pillar--violet { --pillar-accent: var(--lblo-accent-violet); }
.lblo-data-pillar--indigo { --pillar-accent: var(--lblo-accent-indigo); }
.lblo-data-pillar--amber { --pillar-accent: var(--lblo-accent-amber); }
.lblo-data-pillar--teal { --pillar-accent: var(--lblo-accent-teal); }
.lblo-data-pillar--emerald { --pillar-accent: var(--lblo-accent-emerald); }

.lblo-data-pillar-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}

.lblo-data-pillar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--pillar-accent) 18%, var(--lblo-mix-base));
  color: var(--pillar-accent);
  flex-shrink: 0;
}

.lblo-data-pillar-header h3 {
  margin: 0 0 4px;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--lblo-ink);
}

.lblo-data-pillar-subtitle {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--pillar-accent);
}

.lblo-data-pillar-summary {
  margin: 0 0 16px;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--lblo-body);
}

.lblo-data-pillar-block {
  margin-bottom: 14px;
  padding: 14px 16px;
  border-radius: var(--lblo-radius-sm);
  background: var(--lblo-bg-soft);
  border: 1px solid var(--lblo-line);
}

.lblo-data-pillar-block h4 {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pillar-accent);
}

.lblo-data-pillar-block ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 6px;
}

.lblo-data-pillar-block li {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--lblo-body);
}

.lblo-data-pillar-sources {
  margin: 0 0 14px;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--lblo-muted);
}

.lblo-data-pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--pillar-accent) 45%, var(--lblo-line));
  background: color-mix(in srgb, var(--pillar-accent) 12%, var(--lblo-surface));
  color: var(--pillar-accent);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.lblo-data-pillar-link:hover {
  background: color-mix(in srgb, var(--pillar-accent) 20%, var(--lblo-surface));
  transform: translateY(-1px);
}

.lblo-data-pillar-link:focus-visible {
  outline: 2px solid var(--pillar-accent);
  outline-offset: 2px;
}

.lblo-line-detail {
  position: relative;
  z-index: 1;
  scroll-margin-top: 12px;
}

/* 演进路径（租赁条线） */
.lblo-evolution {
  margin-bottom: 28px;
  padding: 20px 22px;
  border-radius: var(--lblo-radius);
  border: 1px solid rgba(96, 165, 250, 0.25);
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.1) 0%, rgba(21, 29, 46, 0.6) 100%);
}

.lblo-evolution-heading {
  margin: 0 0 16px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lblo-primary);
}

.lblo-evolution-track {
  display: grid;
  gap: 16px;
}

.lblo-evolution-phase {
  padding: 16px 18px;
  border-radius: var(--lblo-radius-sm);
  background: var(--lblo-surface);
  border: 1px solid var(--lblo-line);
}

.lblo-evolution-phase--target {
  border-color: rgba(45, 212, 191, 0.35);
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.08) 0%, var(--lblo-surface) 100%);
}

.lblo-evolution-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--lblo-ink);
}

.lblo-evolution-phase--target .lblo-evolution-label {
  color: var(--lblo-accent-teal);
}

.lblo-evolution-phase p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--lblo-body);
}

.lblo-evolution-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lblo-muted);
}

/* 占位条线 */
.lblo-shell--placeholder {
  padding-top: 48px;
  padding-bottom: 80px;
}

.lblo-placeholder {
  max-width: 520px;
  margin: 0 auto;
  padding: 48px 32px;
  text-align: center;
  border-radius: var(--lblo-radius);
  border: 1px dashed var(--lblo-line-strong);
  background: var(--lblo-surface);
}

.lblo-placeholder-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
  border-radius: var(--lblo-radius);
  background: var(--lblo-bg-soft);
  border: 1px solid var(--lblo-line);
  color: var(--lblo-muted);
}

.lblo-placeholder h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--lblo-ink);
}

.lblo-placeholder p {
  margin: 0 0 12px;
  color: var(--lblo-body);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.lblo-placeholder-note {
  font-size: 0.8125rem !important;
  color: var(--lblo-muted) !important;
}

/* Top bar */
.lblo-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--lblo-topbar-h);
  border-bottom: 1px solid transparent;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.lblo-topbar--line {
  top: 0;
}

.lblo-topbar.is-pinned {
  background: var(--lblo-glass);
  border-color: var(--lblo-line);
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.lblo-topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.lblo-topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--lblo-ink);
  white-space: nowrap;
}

.lblo-topbar-progress {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--lblo-line);
  overflow: hidden;
  min-width: 60px;
}

.lblo-topbar-progress-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--lblo-accent-blue), var(--lblo-accent-teal));
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.lblo-present-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--lblo-line-strong);
  border-radius: 999px;
  background: var(--lblo-surface-elevated);
  color: var(--lblo-body);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.lblo-present-toggle:hover {
  border-color: var(--lblo-primary);
  color: var(--lblo-primary);
}

.lblo-present-toggle.is-on {
  background: var(--lblo-primary);
  border-color: var(--lblo-primary);
  color: #fff;
}

.lblo-present-toggle:focus-visible {
  outline: 2px solid var(--lblo-primary);
  outline-offset: 2px;
}

/* Hero */
.lblo-hero {
  position: relative;
  z-index: 1;
  padding: 48px 20px 32px;
}

.lblo-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.lblo-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.28);
  color: var(--lblo-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  backdrop-filter: blur(8px);
}

.lblo-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  background: linear-gradient(135deg, #f8fafc 10%, #60a5fa 55%, #2dd4bf 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lblo-tagline {
  margin: 0 0 14px;
  font-size: clamp(1.0625rem, 2.5vw, 1.375rem);
  font-weight: 700;
  color: var(--lblo-accent-teal);
}

.lblo-summary {
  margin: 0 0 28px;
  max-width: 680px;
  color: var(--lblo-body);
  font-size: 1.0625rem;
}

.lblo-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
  max-width: 520px;
}

.lblo-stat {
  padding: 16px 18px;
  border-radius: var(--lblo-radius-sm);
  background: var(--lblo-surface);
  border: 1px solid var(--lblo-line);
  backdrop-filter: blur(8px);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.lblo-stat:hover {
  transform: translateY(-2px);
  box-shadow: var(--lblo-shadow);
  border-color: var(--lblo-line-strong);
}

.lblo-stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--lblo-primary);
}

.lblo-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--lblo-muted);
}

/* Pipeline */
.lblo-pipeline {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--lblo-line-strong) transparent;
  -webkit-overflow-scrolling: touch;
}

.lblo-pipeline-node {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 72px;
  padding: 12px 10px;
  border: 1px solid var(--lblo-line);
  border-radius: var(--lblo-radius-sm);
  background: var(--lblo-surface);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.lblo-pipeline-node:hover {
  transform: translateY(-3px);
  box-shadow: var(--lblo-shadow);
}

.lblo-pipeline-node.is-active {
  border-color: var(--node-accent, var(--lblo-primary));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--node-accent, var(--lblo-primary)) 18%, transparent);
}

.lblo-pipeline-node--blue { --node-accent: var(--lblo-accent-blue); }
.lblo-pipeline-node--violet { --node-accent: var(--lblo-accent-violet); }
.lblo-pipeline-node--indigo { --node-accent: var(--lblo-accent-indigo); }
.lblo-pipeline-node--amber { --node-accent: var(--lblo-accent-amber); }
.lblo-pipeline-node--teal { --node-accent: var(--lblo-accent-teal); }
.lblo-pipeline-node--emerald { --node-accent: var(--lblo-accent-emerald); }

.lblo-pipeline-node.is-active .lblo-pipeline-icon {
  background: var(--node-accent);
  color: #fff;
}

.lblo-pipeline-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--node-accent, var(--lblo-primary)) 18%, var(--lblo-mix-base));
  color: var(--node-accent, var(--lblo-primary));
  transition: background 0.2s, color 0.2s;
}

.lblo-pipeline-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--lblo-body);
}

.lblo-pipeline-connector {
  flex-shrink: 0;
  color: var(--lblo-muted);
  opacity: 0.6;
}

/* 运维条线：主线 + 并行双轨展示 */
.lblo-pipeline-dual {
  display: grid;
  gap: 20px;
}

.lblo-pipeline-section {
  padding: 16px 18px;
  border: 1px solid var(--lblo-line);
  border-radius: var(--lblo-radius);
  background: color-mix(in srgb, var(--lblo-surface) 88%, var(--lblo-bg-soft));
}

.lblo-pipeline-section-label {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lblo-primary);
}

.lblo-pipeline-section-note {
  margin: -4px 0 12px;
  font-size: 0.8125rem;
  color: var(--lblo-muted);
}

.lblo-pipeline--main {
  margin: 0;
  padding-bottom: 0;
}

.lblo-pipeline-support {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.lblo-pipeline-node--compact {
  min-width: 88px;
  border-style: dashed;
  border-color: color-mix(in srgb, var(--lblo-line-strong) 70%, var(--lblo-line));
}

.lblo-pipeline-node--compact .lblo-pipeline-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.lblo-pipeline-node--compact .lblo-pipeline-label {
  font-size: 0.6875rem;
}

/* Shell layout */
.lblo-shell {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 20px 120px;
  display: grid;
  gap: 32px;
}

.lblo-sidebar {
  display: none;
}

.lblo-main {
  display: grid;
  gap: 28px;
  min-width: 0;
}

/* Module cards */
.lblo-module {
  --module-accent: var(--lblo-primary);
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 16px;
  scroll-margin-top: calc(var(--lblo-topbar-h) + 16px);
  opacity: 0;
  transform: translateY(24px);
  animation: lblo-rise 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--lblo-index, 0) * 0.08s);
}

.lblo-module--blue { --module-accent: var(--lblo-accent-blue); }
.lblo-module--violet { --module-accent: var(--lblo-accent-violet); }
.lblo-module--indigo { --module-accent: var(--lblo-accent-indigo); }
.lblo-module--amber { --module-accent: var(--lblo-accent-amber); }
.lblo-module--teal { --module-accent: var(--lblo-accent-teal); }
.lblo-module--emerald { --module-accent: var(--lblo-accent-emerald); }

@keyframes lblo-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lblo-module-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 28px;
}

.lblo-module-rail-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--module-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--module-accent) 22%, transparent);
  transition: transform 0.25s, box-shadow 0.25s;
}

.lblo-module.is-active .lblo-module-rail-dot {
  transform: scale(1.15);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--module-accent) 28%, transparent);
}

.lblo-module-rail-line {
  flex: 1;
  width: 2px;
  min-height: 40px;
  margin-top: 8px;
  background: linear-gradient(180deg, var(--module-accent), var(--lblo-line));
  border-radius: 999px;
}

.lblo-module-panel {
  background: var(--lblo-surface);
  border: 1px solid var(--lblo-line);
  border-radius: var(--lblo-radius);
  box-shadow: var(--lblo-shadow);
  overflow: hidden;
  transition: box-shadow 0.3s, border-color 0.3s, transform 0.3s;
}

.lblo-module.is-active .lblo-module-panel {
  border-color: color-mix(in srgb, var(--module-accent) 45%, var(--lblo-line));
  box-shadow: var(--lblo-shadow-hover);
}

.lblo-module-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 24px 0;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--module-accent) 14%, var(--lblo-surface-elevated)) 0%,
    transparent 60%
  );
}

.lblo-module-icon-wrap {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--module-accent);
  color: #fff;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--module-accent) 35%, transparent);
}

.lblo-module-step {
  display: block;
  margin-bottom: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--module-accent);
}

.lblo-module-titles h2 {
  margin: 0 0 6px;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.lblo-module-subtitle {
  margin: 0;
  color: var(--lblo-muted);
  font-size: 0.9375rem;
}

.lblo-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 24px;
  border-top: 1px solid var(--lblo-line);
}

.lblo-role-tag {
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--lblo-bg-soft);
  border: 1px solid var(--lblo-line);
  color: var(--lblo-body);
  font-size: 0.8125rem;
  font-weight: 600;
}

.lblo-module-body {
  display: grid;
  gap: 0;
}

.lblo-block {
  padding: 22px 24px;
  border-top: 1px solid var(--lblo-line);
}

.lblo-block:first-child {
  border-top: none;
}

.lblo-block-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--module-accent);
}

.lblo-block-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--module-accent) 18%, var(--lblo-mix-base));
}

.lblo-block p {
  margin: 0;
  color: var(--lblo-body);
}

.lblo-process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.lblo-process-steps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--lblo-body);
}

.lblo-process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--module-accent) 20%, var(--lblo-mix-base));
  color: var(--module-accent);
  font-size: 0.8125rem;
  font-weight: 800;
}

.lblo-outcomes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.lblo-outcome {
  padding: 7px 12px;
  border-radius: 10px;
  font-size: 0.8125rem;
  font-weight: 700;
}

.lblo-outcome--ok {
  background: rgba(52, 211, 153, 0.16);
  color: var(--lblo-ok);
}

.lblo-outcome--warn {
  background: rgba(251, 191, 36, 0.16);
  color: var(--lblo-warn);
}

.lblo-outcome--danger {
  background: rgba(248, 113, 113, 0.16);
  color: var(--lblo-danger);
}

.lblo-module-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 24px;
  border-top: 1px solid var(--lblo-line);
  background: linear-gradient(180deg, var(--lblo-bg-soft) 0%, rgba(17, 24, 39, 0.6) 100%);
}

.lblo-module-footer--muted {
  justify-content: flex-start;
}

.lblo-closure-note {
  margin: 0;
  flex: 1;
  min-width: 200px;
  font-size: 0.875rem;
  color: var(--lblo-muted);
}

.lblo-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: none;
  border-radius: 12px;
  background: var(--module-accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--module-accent) 35%, transparent);
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
}

.lblo-link-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--module-accent) 40%, transparent);
}

.lblo-link-btn:focus-visible {
  outline: 2px solid var(--module-accent);
  outline-offset: 3px;
}

/* Loop card */
.lblo-loop-card {
  display: grid;
  gap: 20px;
  padding: 28px;
  border-radius: var(--lblo-radius);
  border: 1px solid rgba(52, 211, 153, 0.28);
  background:
    linear-gradient(135deg, rgba(52, 211, 153, 0.12) 0%, rgba(21, 29, 46, 0.95) 55%),
    var(--lblo-surface);
  box-shadow: var(--lblo-shadow);
}

.lblo-loop-icon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--lblo-accent-emerald);
}

.lblo-loop-content h3 {
  margin: 0 0 8px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--lblo-accent-emerald);
}

.lblo-loop-content p {
  margin: 0;
  color: var(--lblo-body);
}

.lblo-loop-btn {
  justify-self: start;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--lblo-accent-emerald);
  border-radius: 12px;
  background: transparent;
  color: var(--lblo-accent-emerald);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lblo-loop-btn:hover {
  background: var(--lblo-accent-emerald);
  color: #fff;
}

.lblo-loop-btn:focus-visible {
  outline: 2px solid var(--lblo-accent-emerald);
  outline-offset: 2px;
}

/* Mobile nav */
.lblo-mobile-nav {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--lblo-glass);
  border: 1px solid var(--lblo-line-strong);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(16px);
}

.lblo-mobile-chip {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: var(--lblo-bg-soft);
  color: var(--lblo-body);
  font-size: 0.8125rem;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.lblo-mobile-chip.is-active {
  background: var(--lblo-primary);
  color: #fff;
  transform: scale(1.08);
}

.lblo-mobile-chip:focus-visible {
  outline: 2px solid var(--lblo-primary);
  outline-offset: 2px;
}

/* Presentation bar */
.lblo-present-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 20px calc(16px + env(safe-area-inset-bottom, 0px));
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  color: #fff;
}

.lblo-present-indicator {
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  min-width: 140px;
}

.lblo-present-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 12px;
  background: transparent;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.lblo-present-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
}

.lblo-present-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.lblo-present-btn--primary {
  background: var(--lblo-primary);
  border-color: var(--lblo-primary);
}

.lblo-present-btn--primary:hover:not(:disabled) {
  background: #3b82f6;
}

.lblo-present-btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.lblo-page--present .lblo-mobile-nav {
  bottom: calc(88px + env(safe-area-inset-bottom, 0px));
}

/* Desktop */
@media (min-width: 960px) {
  .lblo-evolution-track {
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
  }

  .lblo-evolution-arrow {
    align-self: center;
  }

  .lblo-system-intro {
    padding: 56px 32px 40px;
  }

  .lblo-line-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .lblo-line-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .lblo-line-card-meta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .lblo-data-pillar-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .lblo-hero {
    padding: 64px 32px 40px;
  }

  .lblo-shell {
    grid-template-columns: 220px 1fr;
    padding: 16px 32px 80px;
    align-items: start;
  }

  .lblo-sidebar {
    display: block;
    position: sticky;
    top: calc(var(--lblo-topbar-h) + 24px);
  }

  .lblo-sidebar-title {
    margin: 0 0 12px;
    padding-left: 4px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--lblo-muted);
  }

  .lblo-sidebar-nav {
    display: grid;
    gap: 6px;
  }

  .lblo-sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  }

  .lblo-sidebar-link--blue { --module-accent: var(--lblo-accent-blue); }
  .lblo-sidebar-link--violet { --module-accent: var(--lblo-accent-violet); }
  .lblo-sidebar-link--indigo { --module-accent: var(--lblo-accent-indigo); }
  .lblo-sidebar-link--amber { --module-accent: var(--lblo-accent-amber); }
  .lblo-sidebar-link--teal { --module-accent: var(--lblo-accent-teal); }
  .lblo-sidebar-link--emerald { --module-accent: var(--lblo-accent-emerald); }

  .lblo-sidebar-link:hover {
    background: var(--lblo-surface);
    border-color: var(--lblo-line);
  }

  .lblo-sidebar-link.is-active {
    background: var(--lblo-surface-elevated);
    border-color: color-mix(in srgb, var(--module-accent) 45%, var(--lblo-line));
    box-shadow: var(--lblo-shadow);
  }

  .lblo-sidebar-num {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: color-mix(in srgb, var(--module-accent) 20%, var(--lblo-mix-base));
    color: var(--module-accent);
    font-size: 0.75rem;
    font-weight: 800;
  }

  .lblo-sidebar-link.is-active .lblo-sidebar-num {
    background: var(--module-accent);
    color: #fff;
  }

  .lblo-sidebar-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--lblo-body);
    line-height: 1.3;
  }

  .lblo-sidebar-link.is-active .lblo-sidebar-text {
    color: var(--lblo-ink);
  }

  .lblo-module-body {
    grid-template-columns: repeat(3, 1fr);
  }

  .lblo-block {
    border-top: none;
    border-left: 1px solid var(--lblo-line);
  }

  .lblo-block:first-child {
    border-left: none;
  }

  .lblo-loop-card {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .lblo-mobile-nav {
    display: none;
  }

  .lblo-pipeline {
    flex-wrap: wrap;
    overflow: visible;
  }

  .lblo-pipeline-node {
    flex: 1;
    min-width: 100px;
  }
}

@media (max-width: 639px) {
  .lblo-line-grid {
    grid-template-columns: 1fr;
  }

  .lblo-line-card {
    grid-template-columns: auto 1fr;
  }

  .lblo-line-card-meta {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
}

@media (min-width: 1100px) {
  .lblo-shell {
    grid-template-columns: 240px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lblo-module {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .lblo-topbar-progress-fill,
  .lblo-pipeline-node,
  .lblo-module-panel,
  .lblo-link-btn,
  .lblo-stat,
  .lblo-mobile-chip,
  .lblo-present-btn,
  .lblo-present-toggle,
  .lblo-line-card,
  .lblo-evolution-phase {
    transition: none;
  }
}
