/* ============================================================
   宠栖记功能介绍页 · styles.css
   ============================================================ */

:root {
  --bg-dark: #0b1220;
  --bg-dark-2: #0f172a;
  --bg-light: #f5f7fb;
  --bg-muted: #eef2f7;
  --surface: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --emerald: #10b981;
  --emerald-dark: #059669;
  --emerald-glow: rgba(16, 185, 129, 0.35);
  --gold: #fbbf24;
  --gold-dark: #d97706;
  --border: rgba(148, 163, 184, 0.22);
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.14);
  --radius: 16px;
  --radius-lg: 24px;
  --header-h: 72px;
  --font: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(1140px, calc(100% - 40px));
  margin-inline: auto;
}

/* ── 按钮 ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s, border-color 0.25s;
}

.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--emerald), var(--emerald-dark));
  color: #fff;
  box-shadow: 0 8px 24px var(--emerald-glow);
}
.btn-primary:hover { box-shadow: 0 12px 32px var(--emerald-glow); }
.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.4); }
.btn-ghost {
  padding: 10px 18px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--emerald);
  border-color: rgba(16, 185, 129, 0.25);
}
.btn-ghost:hover { background: rgba(16, 185, 129, 0.2); }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 14px; }

.section--light .btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.section--light .btn-outline:hover {
  border-color: var(--emerald);
  color: var(--emerald-dark);
  background: rgba(16, 185, 129, 0.06);
}

/* ── 导航 ── */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(11, 18, 32, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s, box-shadow 0.3s;
}

.site-header.scrolled {
  background: rgba(11, 18, 32, 0.95);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}

.brand-logo {
  flex-shrink: 0;
  border-radius: 8px;
}

.brand-logo--footer {
  border-radius: 6px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  color: var(--emerald);
}

.nav-desktop {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.nav-desktop a {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-desktop a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: rgba(11, 18, 32, 0.98);
  backdrop-filter: blur(16px);
  padding: 16px 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-direction: column;
  gap: 4px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}

.nav-mobile.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile a {
  padding: 14px 16px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  border-radius: 10px;
}

.nav-mobile a:hover { background: rgba(255, 255, 255, 0.06); }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 48px) 0 80px;
  background: var(--bg-dark);
  color: #fff;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-orb--1 {
  width: 520px;
  height: 520px;
  top: -120px;
  right: -80px;
  background: rgba(16, 185, 129, 0.18);
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -60px;
  background: rgba(59, 130, 246, 0.12);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #6ee7b7, var(--emerald));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.72);
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-tags span {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Dashboard mock */
.dashboard-mock {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.mock-dot:first-child { background: #ef4444; }
.mock-dot:nth-child(2) { background: #fbbf24; }
.mock-dot:nth-child(3) { background: #22c55e; }

.mock-title {
  margin-left: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.mock-body { padding: 20px; }

.mock-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.mock-kpi {
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  text-align: center;
}

.mock-kpi strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}

.mock-kpi span {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
}

.mock-kpi--accent strong { color: var(--emerald); }

.mock-grid-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.slot {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.2s;
}

.slot--filled {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}

.slot--empty {
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.25);
}

.slot--warn {
  background: rgba(251, 191, 36, 0.15);
  border-color: rgba(251, 191, 36, 0.4);
  color: #fcd34d;
}

.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 64px;
  padding-top: 8px;
}

.bar {
  flex: 1;
  height: var(--h);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(to top, var(--emerald-dark), var(--emerald));
  opacity: 0.75;
  animation: barGrow 1.2s var(--ease) backwards;
}

.bar:nth-child(2) { animation-delay: 0.1s; }
.bar:nth-child(3) { animation-delay: 0.2s; }
.bar:nth-child(4) { animation-delay: 0.3s; }
.bar:nth-child(5) { animation-delay: 0.4s; }
.bar:nth-child(6) { animation-delay: 0.5s; }
.bar:nth-child(7) { animation-delay: 0.6s; }

@keyframes barGrow {
  from { height: 0; opacity: 0; }
  to { height: var(--h); opacity: 0.75; }
}

/* ── Stats bar ── */
.stats-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  margin-top: -1px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--emerald-dark);
  line-height: 1.1;
}

.stat-item span {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* ── Sections ── */
.section { padding: 96px 0; }
.section--light { background: var(--bg-light); }
.section--dark { background: var(--bg-dark-2); color: #fff; }
.section--muted { background: var(--bg-muted); }
.section--vip {
  background: linear-gradient(165deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  color: #fff;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--emerald-dark);
  margin-bottom: 12px;
}

.section-label--light { color: #6ee7b7; }
.section-label--gold { color: var(--gold); }

.section-head h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-head p {
  font-size: 17px;
  color: var(--text-muted);
}

.section--dark .section-head p,
.section--vip .section-head p { color: rgba(255, 255, 255, 0.65); }

/* ── Feature grid ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.feature-icon svg { width: 26px; height: 26px; }

.feature-icon--emerald { background: rgba(16, 185, 129, 0.12); color: var(--emerald-dark); }
.feature-icon--blue { background: rgba(59, 130, 246, 0.12); color: #2563eb; }
.feature-icon--amber { background: rgba(245, 158, 11, 0.12); color: #d97706; }
.feature-icon--violet { background: rgba(139, 92, 246, 0.12); color: #7c3aed; }
.feature-icon--teal { background: rgba(20, 184, 166, 0.12); color: #0d9488; }
.feature-icon--rose { background: rgba(244, 63, 94, 0.12); color: #e11d48; }
.feature-icon--orange { background: rgba(249, 115, 22, 0.12); color: #ea580c; }
.feature-icon--indigo { background: rgba(99, 102, 241, 0.12); color: #4f46e5; }
.feature-icon--cyan { background: rgba(6, 182, 212, 0.12); color: #0891b2; }

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.feature-tags li {
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 6px;
  background: var(--bg-muted);
  color: var(--text-muted);
}

/* ── Split section (cabinet) ── */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.split-content p {
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 24px;
  font-size: 16px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--emerald);
  font-weight: 700;
}

/* Cabinet demo */
.cabinet-demo {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.cabinet-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.cab-chip {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border: none;
  font-family: inherit;
}

.cab-chip--active,
.cab-chip:hover {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}

.cabinet-board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}

.cab-slot {
  aspect-ratio: 1;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  border: 1.5px solid transparent;
  user-select: none;
}

.cab-slot:hover { transform: scale(1.08); z-index: 1; }

.cab-slot--filled {
  background: rgba(16, 185, 129, 0.25);
  border-color: rgba(16, 185, 129, 0.5);
  color: #6ee7b7;
}

.cab-slot--empty {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.2);
}

.cab-slot--warn {
  background: rgba(251, 191, 36, 0.2);
  border-color: rgba(251, 191, 36, 0.45);
  color: #fcd34d;
}

.cab-slot--selected {
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--emerald);
  transform: scale(1.05);
}

.cabinet-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.cabinet-legend span { display: flex; align-items: center; gap: 6px; }

.leg {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: inline-block;
}

.leg--filled { background: rgba(16, 185, 129, 0.4); border: 1px solid rgba(16, 185, 129, 0.6); }
.leg--empty { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12); }
.leg--warn { background: rgba(251, 191, 36, 0.3); border: 1px solid rgba(251, 191, 36, 0.5); }
.leg--selected { box-shadow: 0 0 0 1px #fff, 0 0 0 2px var(--emerald); background: rgba(16, 185, 129, 0.3); }

/* ── Timeline ── */
.timeline {
  max-width: 720px;
  margin: 0 auto 48px;
}

.timeline-step {
  display: flex;
  gap: 20px;
  padding-bottom: 32px;
  position: relative;
}

.timeline-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--emerald), rgba(16, 185, 129, 0.15));
}

.timeline-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--emerald), var(--emerald-dark));
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px var(--emerald-glow);
}

.timeline-body h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-body p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Pedigree mock */
.pedigree-mock {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 32px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.ped-node {
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  min-width: 100px;
}

.ped-node--gen2 { background: #f1f5f9; color: #64748b; }
.ped-node--gen1 { background: rgba(16, 185, 129, 0.12); color: var(--emerald-dark); }
.ped-node--current {
  background: linear-gradient(135deg, var(--emerald), var(--emerald-dark));
  color: #fff;
  font-size: 15px;
  padding: 14px 28px;
  box-shadow: 0 8px 24px var(--emerald-glow);
}
.ped-node--child { background: rgba(59, 130, 246, 0.1); color: #2563eb; }

.ped-connector {
  width: 100%;
  height: 2px;
  background: var(--border);
  flex-basis: 100%;
  max-width: 400px;
  margin: -4px auto;
}

.ped-connector--down {
  width: 2px;
  height: 24px;
  flex-basis: auto;
  max-width: none;
}

/* ── Remind cards ── */
.remind-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.remind-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.3s var(--ease);
}

.remind-card:hover { transform: translateY(-4px); }

.remind-icon { font-size: 32px; margin-bottom: 14px; }

.remind-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.remind-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
}

.remind-card--feed { border-top: 3px solid #22c55e; }
.remind-card--mate { border-top: 3px solid #ec4899; }
.remind-card--due { border-top: 3px solid #f59e0b; }
.remind-card--remate { border-top: 3px solid #8b5cf6; }

/* ── VIP ── */
.vip-hero {
  text-align: center;
  margin-bottom: 48px;
}

.vip-hero h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.vip-hero p { color: rgba(255, 255, 255, 0.65); font-size: 17px; }

.compare-wrap {
  overflow-x: auto;
  margin-bottom: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.04);
  min-width: 560px;
}

.compare-table th,
.compare-table td {
  padding: 16px 24px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14px;
}

.compare-table th:first-child,
.compare-table td:first-child { text-align: left; }

.compare-table th {
  font-weight: 700;
  background: rgba(0, 0, 0, 0.2);
  color: rgba(255, 255, 255, 0.85);
}

.compare-table td:first-child { color: rgba(255, 255, 255, 0.75); }

.col-vip { background: rgba(251, 191, 36, 0.08); color: var(--gold) !important; }

.tick { color: var(--emerald); font-weight: 700; font-size: 18px; }
.tick--gold { color: var(--gold); }
.cross { color: rgba(255, 255, 255, 0.25); }

.vip-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.vip-feature {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.vip-feature h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--gold);
}

.vip-feature p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}

/* ── AI ── */
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.ai-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  margin-bottom: 16px;
}

.ai-badge--purple {
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
}

.ai-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
}

.ai-card > p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
  font-size: 15px;
}

.ai-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.ai-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--emerald);
  font-weight: 700;
}

/* ── Platform ── */
.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 56px;
}

.platform-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.platform-header {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
}

.platform-header--pc { background: linear-gradient(135deg, #1e40af, #3b82f6); }
.platform-header--h5 { background: linear-gradient(135deg, var(--emerald-dark), var(--emerald)); }

.platform-card ul { padding: 24px; }

.platform-card li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-muted);
}

.platform-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--emerald);
  font-weight: 600;
}

.cta-block {
  text-align: center;
  padding: 56px 40px;
  background: linear-gradient(135deg, var(--bg-dark-2), #1e293b);
  border-radius: var(--radius-lg);
  color: #fff;
}

.cta-block h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-block p {
  color: rgba(255, 255, 255, 0.65);
  max-width: 520px;
  margin: 0 auto 28px;
  font-size: 16px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* CTA 深色底：勿继承 section--light 的浅色按钮样式 */
.cta-block .btn-outline {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.38);
  color: #fff;
}
.cta-block .btn-outline:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.cta-block .btn-gold {
  background: rgba(245, 158, 11, 0.18);
  border: 1.5px solid rgba(251, 191, 36, 0.55);
  color: #fde68a;
}
.cta-block .btn-gold:hover {
  background: rgba(245, 158, 11, 0.28);
  border-color: rgba(251, 191, 36, 0.75);
  color: #fff;
}

/* ── Footer ── */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.55);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.footer-brand .brand-mark {
  width: 32px;
  height: 32px;
  color: var(--emerald);
}

.footer-brand strong {
  display: block;
  color: #fff;
  font-size: 16px;
}

.footer-brand span { font-size: 13px; }

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover { color: #fff; }

.footer-copy {
  width: 100%;
  font-size: 13px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 8px;
}

/* ── Back to top ── */
.back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--emerald);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px var(--emerald-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  z-index: 90;
}

.back-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top svg { width: 22px; height: 22px; }
.back-top:hover { background: var(--emerald-dark); transform: translateY(-3px); }

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-inner,
  .split-section,
  .feature-grid,
  .ai-grid,
  .platform-grid,
  .vip-cards { grid-template-columns: 1fr; }

  .remind-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .mock-kpis { grid-template-columns: repeat(2, 1fr); }
  .cabinet-board { grid-template-columns: repeat(6, 1fr); }
}

@media (max-width: 768px) {
  .nav-desktop,
  .header-actions .btn-ghost { display: none; }

  .nav-toggle { display: flex; }
  .nav-mobile { display: flex; }

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

  .feature-grid,
  .remind-grid { grid-template-columns: 1fr; }

  .stats-grid { grid-template-columns: 1fr 1fr; }

  .cta-block { padding: 40px 24px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }

  .cabinet-board { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .bar { animation: none; }
}